diff --git a/.gitignore b/.gitignore
index 10cd6ac7..e569ff54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,6 @@ cmake-build-*/
 .idea/
 /doc/html/
 /doc/latex/
+
+.PVS-Studio/
+*.PVS-Studio.*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 25058978..01f25ff5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,60 +10,53 @@ set(CMAKE_C_STANDARD 11)
 
 cmake_policy(SET CMP0135 NEW)
 
-if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     set(DXFC_IS_ROOT_PROJECT ON)
-else()
+else ()
     set(DXFC_ROOT_PROJECT OFF)
-endif()
+endif ()
 
 option(DXFC_BUILD_UNIT_TESTS "" ON)
 
-option(DXFC_USE_DXFEED_GRAAL_NATIVE_API_GITHUB "" OFF)
-set(DXFEED_GRAAL_NATIVE_API_GITHUB_VERSION "v1.0.5" CACHE STRING "")
-set(DXFEED_GRAAL_NATIVE_API_GITHUB_ARCHIVE_VERSION "1.0.0" CACHE STRING "")
-set(DXFEED_GRAAL_NATIVE_API_GITHUB_BASE_URL "https://github.com/ttldtor/dxfeed-graal-native-api/releases/download/" CACHE STRING "")
-
-option(DXFC_USE_DXFEED_GRAAL_NATIVE_API_JFROG "" ON)
-set(DXFEED_GRAAL_NATIVE_API_VERSION "0.4.0" CACHE STRING "")
-set(DXFEED_GRAAL_NATIVE_API_JFROG_BASE_URL "https://dxfeed.jfrog.io/artifactory/maven-open/com/dxfeed/graal-native-api/" CACHE STRING "")
+option(DXFC_USE_DXFEED_GRAAL_NATIVE_SDK_JFROG "" ON)
+set(DXFEED_GRAAL_NATIVE_SDK_VERSION "1.0.0" CACHE STRING "")
+set(DXFEED_GRAAL_NATIVE_SDK_JFROG_BASE_URL "https://dxfeed.jfrog.io/artifactory/maven-open/com/dxfeed/graal-native-sdk/" CACHE STRING "")
 
 include(FetchContent)
 
-if (DEFINED ENV{DXFEED_GRAAL_NATIVE_API_URL})
-    FetchContent_Declare(DxFeedGraalNativeApi URL $ENV{DXFEED_GRAAL_NATIVE_API_URL})
+if (DEFINED ENV{DXFEED_GRAAL_NATIVE_SDK_URL})
+    FetchContent_Declare(DxFeedGraalNativeSdk URL $ENV{DXFEED_GRAAL_NATIVE_SDK_URL})
 else ()
-    if (DXFC_USE_DXFEED_GRAAL_NATIVE_API_GITHUB)
-        set(DXFEED_GRAAL_NATIVE_API_URL "${DXFEED_GRAAL_NATIVE_API_GITHUB_BASE_URL}${DXFEED_GRAAL_NATIVE_API_GITHUB_VERSION}/dxfeed-graal-native-api-${DXFEED_GRAAL_NATIVE_API_GITHUB_ARCHIVE_VERSION}")
-    elseif (DXFC_USE_DXFEED_GRAAL_NATIVE_API_JFROG)
-        set(DXFEED_GRAAL_NATIVE_API_URL "${DXFEED_GRAAL_NATIVE_API_JFROG_BASE_URL}${DXFEED_GRAAL_NATIVE_API_VERSION}/graal-native-api-${DXFEED_GRAAL_NATIVE_API_VERSION}")
+    if (DXFC_USE_DXFEED_GRAAL_NATIVE_SDK_JFROG)
+        set(DXFEED_GRAAL_NATIVE_SDK_URL "${DXFEED_GRAAL_NATIVE_SDK_JFROG_BASE_URL}${DXFEED_GRAAL_NATIVE_SDK_VERSION}/graal-native-sdk-${DXFEED_GRAAL_NATIVE_SDK_VERSION}")
     endif ()
 
     if (WIN32)
-        set(DXFEED_GRAAL_NATIVE_API_URL ${DXFEED_GRAAL_NATIVE_API_URL}-amd64-windows.zip)
+        set(DXFEED_GRAAL_NATIVE_SDK_URL ${DXFEED_GRAAL_NATIVE_SDK_URL}-amd64-windows.zip)
     elseif (APPLE)
         if (${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "arm64")
-            set(DXFEED_GRAAL_NATIVE_API_URL ${DXFEED_GRAAL_NATIVE_API_URL}-aarch64-osx.zip)
+            set(DXFEED_GRAAL_NATIVE_SDK_URL ${DXFEED_GRAAL_NATIVE_SDK_URL}-aarch64-osx.zip)
         else ()
-            set(DXFEED_GRAAL_NATIVE_API_URL ${DXFEED_GRAAL_NATIVE_API_URL}-x86_64-osx.zip)
+            set(DXFEED_GRAAL_NATIVE_SDK_URL ${DXFEED_GRAAL_NATIVE_SDK_URL}-x86_64-osx.zip)
         endif ()
     elseif (UNIX)
-        set(DXFEED_GRAAL_NATIVE_API_URL ${DXFEED_GRAAL_NATIVE_API_URL}-amd64-linux.zip)
+        set(DXFEED_GRAAL_NATIVE_SDK_URL ${DXFEED_GRAAL_NATIVE_SDK_URL}-amd64-linux.zip)
     else ()
         message(ERROR "Unknown platform!")
     endif ()
 
-    FetchContent_Declare(DxFeedGraalNativeApi URL ${DXFEED_GRAAL_NATIVE_API_URL})
+    FetchContent_Declare(DxFeedGraalNativeSdk URL ${DXFEED_GRAAL_NATIVE_SDK_URL})
 endif ()
 
-FetchContent_MakeAvailable(DxFeedGraalNativeApi)
-# DxFeedGraalNativeApi_SOURCE_DIR
+FetchContent_MakeAvailable(DxFeedGraalNativeSdk)
+# DxFeedGraalNativeSdk_SOURCE_DIR
 
 if (DXFC_USE_CONAN)
     include(${CMAKE_BINARY_DIR}/conan_paths.cmake)
 endif ()
 
 add_subdirectory(third_party/utfcpp-3.2.3)
-add_subdirectory(third_party/fmt-9.1.0)
+add_subdirectory(third_party/fmt-10.0.0)
 
 # find_package(utf8cpp)
 # find_package(fmt)
@@ -71,15 +64,36 @@ add_subdirectory(third_party/fmt-9.1.0)
 set(dxFeedNativeAPIInternalSources
         src/internal/CEntryPointErrors.cpp
         src/internal/Isolate.cpp
+        src/internal/JavaObjectHandler.cpp
+        src/internal/EventClassList.cpp
+        src/internal/SymbolList.cpp
         src/internal/Common.cpp
         )
 
+set(dxFeedNativeAPIInternalUtilsSources
+        src/internal/utils/StringUtils.cpp
+        )
+
+set(dxFeedNativeAPIInternalUtilsDebugSources
+        src/internal/utils/debug/Debug.cpp
+        )
+
 set(dxFeedNativeAPIAPISources
         src/api/DXEndpoint.cpp
         src/api/DXFeed.cpp
         src/api/DXFeedSubscription.cpp
         )
 
+set(dxFeedNativeAPIAPIOsubSources
+        src/api/osub/WildcardSymbol.cpp
+        )
+
+set(dxFeedNativeAPISymbolsSources
+        src/symbols/SymbolMapper.cpp
+        src/symbols/StringSymbol.cpp
+        src/symbols/SymbolWrapper.cpp
+        )
+
 set(dxFeedNativeAPISystemSources
         src/system/System.cpp
         )
@@ -118,7 +132,11 @@ set(dxFeedNativeAPIEventOptionSources
 
 add_library(dxFeedGraalCxxApi
         ${dxFeedNativeAPIInternalSources}
+        ${dxFeedNativeAPIInternalUtilsSources}
+        ${dxFeedNativeAPIInternalUtilsDebugSources}
         ${dxFeedNativeAPIAPISources}
+        ${dxFeedNativeAPIAPIOsubSources}
+        ${dxFeedNativeAPISymbolsSources}
         ${dxFeedNativeAPISystemSources}
         ${dxFeedNativeAPIEventSources}
         ${dxFeedNativeAPIEventMarketSources}
@@ -126,11 +144,18 @@ add_library(dxFeedGraalCxxApi
         src/api.cpp
         )
 
+add_library(dxFeedGraalCxxApi_Clang INTERFACE)
+
+if ((${CMAKE_CXX_COMPILER_ID} MATCHES "AppleClang") OR (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang"))
+    # Ignore undefined template var warning
+    target_compile_options(dxFeedGraalCxxApi_Clang INTERFACE -Wno-undefined-var-template)
+endif ()
+
 target_include_directories(dxFeedGraalCxxApi PUBLIC include)
-target_link_libraries(dxFeedGraalCxxApi PUBLIC DxFeedGraalNativeApi utf8cpp fmt::fmt)
+target_link_libraries(dxFeedGraalCxxApi PUBLIC DxFeedGraalNativeSdk utf8cpp fmt::fmt PUBLIC dxFeedGraalCxxApi_Clang)
 
 add_custom_command(TARGET dxFeedGraalCxxApi POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different
-        $<TARGET_FILE:DxFeedGraalNativeApi> $<TARGET_FILE_DIR:dxFeedGraalCxxApi>)
+        $<TARGET_FILE:DxFeedGraalNativeSdk> $<TARGET_FILE_DIR:dxFeedGraalCxxApi>)
 
 if (DXFC_BUILD_UNIT_TESTS)
     include(CTest)
diff --git a/DEPENDENCIES.md b/DEPENDENCIES.md
index 73de6297..8e1a3ad9 100644
--- a/DEPENDENCIES.md
+++ b/DEPENDENCIES.md
@@ -2,13 +2,12 @@
 
 ## Compile-time
 
-- [dxFeed Graal Native SDK](https://github.com/dxFeed/dxfeed-graal-native-sdk) v0.4.0
+- [dxFeed Graal Native SDK](https://github.com/dxFeed/dxfeed-graal-native-sdk) v1.0.0
 - [utfcpp](https://github.com/nemtrif/utfcpp) v3.2.3
-- [fmt](https://github.com/fmtlib/fmt) v9.1.0
+- [fmt](https://github.com/fmtlib/fmt) v10.0.0
 - [doctest](https://github.com/doctest/doctest) v2.4.11 (Tests)
 
 ## Run-time
 
-- [dxFeed Graal Native SDK](https://github.com/dxFeed/dxfeed-graal-native-sdk) v0.4.0
-- [fmt](https://github.com/fmtlib/fmt) v9.1.0 (C++)
+- [dxFeed Graal Native SDK](https://github.com/dxFeed/dxfeed-graal-native-sdk) v1.0.0
 - [doctest](https://github.com/doctest/doctest) v2.4.11 (Tests)
\ No newline at end of file
diff --git a/README.md b/README.md
index 86011ac5..c0186e8a 100644
--- a/README.md
+++ b/README.md
@@ -266,9 +266,9 @@ be downloaded from [Release](https://github.com/dxFeed/dxfeed-graal-cxx-api/rele
   by [dxPrice](http://www.devexperts.com/en/products/price.html) model-free computation
 - [x] [Underlying](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/option/Underlying.html) is a snapshot of computed
   values available for an option underlying symbol based on the market’s option prices
-- [x] [Configuration](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/misc/Configuration.html) is an event with an
+- [ ] [Configuration](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/misc/Configuration.html) is an event with an
   application-specific attachment
-- [x] [Message](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/misc/Message.html) is an event with an
+- [ ] [Message](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/misc/Message.html) is an event with an
   application-specific attachment
 
 ### Subscription Symbols
@@ -278,7 +278,7 @@ be downloaded from [Release](https://github.com/dxFeed/dxfeed-graal-cxx-api/rele
   represents subscription to time-series events
 - [ ] [IndexedSubscriptionSymbol](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/osub/IndexedEventSubscriptionSymbol.html) -
   represents subscription to a specific source of indexed events
-- [ ] [WildcardSymbol.ALL](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/osub/WildcardSymbol.html) - represents a
+- [x] [WildcardSymbol.ALL](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/osub/WildcardSymbol.html) - represents a
   *wildcard* subscription to all events of the specific event type
 - [ ] [CandleSymbol](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/event/candle/CandleSymbol.html) - symbol used
   with [DXFeedSubscription](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/DXFeedSubscription.html) class to
diff --git a/include/dxfeed_graal_cpp_api/api.hpp b/include/dxfeed_graal_cpp_api/api.hpp
index c5ddefa9..097cbf81 100644
--- a/include/dxfeed_graal_cpp_api/api.hpp
+++ b/include/dxfeed_graal_cpp_api/api.hpp
@@ -3,17 +3,29 @@
 
 #pragma once
 
-#include "dxfeed_graal_cpp_api/internal/managers/ErrorHandlingManager.hpp"
 #include "internal/CEntryPointErrors.hpp"
 #include "internal/Common.hpp"
 #include "internal/Enum.hpp"
+#include "internal/EventClassList.hpp"
+#include "internal/Id.hpp"
+#include "internal/JavaObjectHandler.hpp"
+#include "internal/NonCopyable.hpp"
+#include "internal/RawListWrapper.hpp"
+#include "internal/SymbolList.hpp"
 #include "internal/context/ApiContext.hpp"
 #include "internal/managers/DXEndpointManager.hpp"
 #include "internal/managers/DXFeedSubscriptionManager.hpp"
 #include "internal/managers/EntityManager.hpp"
+#include "internal/managers/ErrorHandlingManager.hpp"
+#include "internal/utils/StringUtils.hpp"
+#include "internal/utils/debug/Debug.hpp"
 
 #include "api/DXEndpoint.hpp"
 #include "api/DXFeed.hpp"
 #include "api/DXFeedSubscription.hpp"
+#include "api/osub/WildcardSymbol.hpp"
 #include "event/DXEvent.hpp"
+#include "symbols/StringSymbol.hpp"
+#include "symbols/SymbolMapper.hpp"
+#include "symbols/SymbolWrapper.hpp"
 #include "system/System.hpp"
diff --git a/include/dxfeed_graal_cpp_api/api/DXEndpoint.hpp b/include/dxfeed_graal_cpp_api/api/DXEndpoint.hpp
index 43e1ad5f..7176f197 100644
--- a/include/dxfeed_graal_cpp_api/api/DXEndpoint.hpp
+++ b/include/dxfeed_graal_cpp_api/api/DXEndpoint.hpp
@@ -19,7 +19,7 @@
 
 namespace dxfcpp {
 
-struct DXPublisher : std::enable_shared_from_this<DXPublisher> {
+struct DXPublisher : SharedEntity {
     virtual ~DXPublisher() = default;
 };
 
@@ -176,7 +176,7 @@ struct DXFeed;
  *
  * [Javadoc.](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/DXEndpoint.html)
  */
-struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
+struct DXEndpoint : SharedEntity {
     /**
      * Defines property for endpoint name that is used to distinguish multiple endpoints
      * in the same process in logs and in other diagnostic means.
@@ -397,7 +397,7 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
         LOCAL_HUB
     };
 
-    static auto roleToString(Role role) {
+    static std::string roleToString(Role role) {
         switch (role) {
         case Role::FEED:
             return "FEED";
@@ -463,12 +463,12 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
     static inline std::mutex MTX{};
     static std::unordered_map<Role, std::shared_ptr<DXEndpoint>> INSTANCES;
 
-    handler_utils::JavaObjectHandler<DXEndpoint> handler_;
+    JavaObjectHandler<DXEndpoint> handler_;
     Role role_ = Role::FEED;
     std::string name_{};
     std::shared_ptr<DXFeed> feed_{};
     std::shared_ptr<DXPublisher> publisher_{};
-    handler_utils::JavaObjectHandler<DXEndpointStateChangeListener> stateChangeListenerHandler_;
+    JavaObjectHandler<DXEndpointStateChangeListener> stateChangeListenerHandler_;
     Handler<void(State, State)> onStateChange_{};
 
     static std::shared_ptr<DXEndpoint> create(void *endpointHandle, Role role,
@@ -480,15 +480,15 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
 
   protected:
     DXEndpoint() : handler_{}, role_{}, feed_{}, publisher_{}, stateChangeListenerHandler_{}, onStateChange_{} {
-        if constexpr (isDebug) {
-            debug("DXEndpoint()");
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint()");
         }
     }
 
   public:
     virtual ~DXEndpoint() {
-        if constexpr (isDebug) {
-            debug("DXEndpoint{{{}}}::~DXEndpoint()", handler_.toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint{" + handler_.toString() + " }::~DXEndpoint()");
         }
     }
 
@@ -506,8 +506,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * @see #getInstance(Role)
      */
     static std::shared_ptr<DXEndpoint> getInstance() {
-        if constexpr (isDebug) {
-            debug("DXEndpoint::getInstance()");
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint::getInstance()");
         }
 
         return getInstance(Role::FEED);
@@ -533,8 +533,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * @return The DXEndpoint instance
      */
     static std::shared_ptr<DXEndpoint> getInstance(Role role) {
-        if constexpr (isDebug) {
-            debug("DXEndpoint::getInstance(role = {})", roleToString(role));
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint::getInstance(role = " + roleToString(role) + ")");
         }
 
         std::lock_guard lock(MTX);
@@ -555,8 +555,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * @return the created endpoint.
      */
     static std::shared_ptr<DXEndpoint> create() {
-        if constexpr (isDebug) {
-            debug("DXEndpoint::create()");
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint::create()");
         }
 
         return newBuilder()->build();
@@ -572,8 +572,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * @return the created endpoint.
      */
     static std::shared_ptr<DXEndpoint> create(Role role) {
-        if constexpr (isDebug) {
-            debug("DXEndpoint::create(role = {})", roleToString(role));
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint::create(role = " + roleToString(role) + ")");
         }
 
         return newBuilder()->withRole(role)->build();
@@ -617,9 +617,11 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      */
     template <typename StateChangeListener>
     std::size_t addStateChangeListener(StateChangeListener &&listener) noexcept
+#if __cpp_concepts
         requires requires {
-                     { listener(State{}, State{}) } -> std::same_as<void>;
-                 }
+            { listener(State{}, State{}) } -> std::same_as<void>;
+        }
+#endif
     {
         return onStateChange_ += listener;
     }
@@ -746,8 +748,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * [Javadoc.](https://docs.dxfeed.com/dxfeed/api/com/dxfeed/api/DXEndpoint.html#close--)
      */
     void close() {
-        if constexpr (isDebug) {
-            debug("DXEndpoint{{{}}}::close()", handler_.toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint{" + handler_.toString() + "}::close()");
         }
 
         closeImpl();
@@ -805,14 +807,14 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
     class Builder : public std::enable_shared_from_this<Builder> {
         friend DXEndpoint;
 
-//        mutable std::recursive_mutex mtx_{};
-        handler_utils::JavaObjectHandler<Builder> handler_;
+        //        mutable std::recursive_mutex mtx_{};
+        JavaObjectHandler<Builder> handler_;
         Role role_ = Role::FEED;
         std::unordered_map<std::string, std::string> properties_;
 
         Builder() : handler_{}, properties_{} {
-            if constexpr (isDebug) {
-                debug("DXEndpoint::Builder::Builder()");
+            if constexpr (Debugger::isDebug) {
+                Debugger::debug("DXEndpoint::Builder::Builder()");
             }
         }
 
@@ -835,8 +837,8 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
       public:
         /// Releases the GraalVM handle
         virtual ~Builder() {
-            if constexpr (isDebug) {
-                debug("DXEndpoint::Builder{{{}}}::~Builder()", handler_.toString());
+            if constexpr (Debugger::isDebug) {
+                Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::~Builder()");
             }
         }
 
@@ -850,9 +852,9 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
          * @return `this` endpoint builder.
          */
         std::shared_ptr<Builder> withName(const std::string &name) {
-            //TODO: check invalid utf-8
-            if constexpr (isDebug) {
-                debug("DXEndpoint::Builder{{{}}}::withName(name = {})", handler_.toString(), name);
+            // TODO: check invalid utf-8
+            if constexpr (Debugger::isDebug) {
+                Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::withName(name = " + name + ")");
             }
 
             return withProperty(NAME_PROPERTY, name);
@@ -889,9 +891,9 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
          * @see ::withProperty(const std::string&, const std::string&)
          */
         template <typename Properties> std::shared_ptr<Builder> withProperties(Properties &&properties) {
-            if constexpr (isDebug) {
-                debug("DXEndpoint::Builder{{{}}}::withProperties(properties[{}])", handler_.toString(),
-                      properties.size());
+            if constexpr (Debugger::isDebug) {
+                Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::withProperties(properties[" +
+                                std::to_string(properties.size()) + "])");
             }
 
             for (auto &&[k, v] : properties) {
@@ -926,15 +928,13 @@ struct DXEndpoint : std::enable_shared_from_this<DXEndpoint> {
      * @return the created endpoint builder.
      */
     static std::shared_ptr<Builder> newBuilder() noexcept {
-        if constexpr (isDebug) {
-            debug("DXEndpoint::newBuilder()");
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXEndpoint::newBuilder()");
         }
 
         return Builder::create();
     }
 
-    std::string toString() const {
-        return fmt::format("DXEndpoint{{{}}}", handler_.toString());
-    }
+    std::string toString() const noexcept override;
 };
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/api/DXFeed.hpp b/include/dxfeed_graal_cpp_api/api/DXFeed.hpp
index 59bcb7c6..93ff3ede 100644
--- a/include/dxfeed_graal_cpp_api/api/DXFeed.hpp
+++ b/include/dxfeed_graal_cpp_api/api/DXFeed.hpp
@@ -23,11 +23,11 @@ class EventTypeEnum;
 /**
  * Main entry class for dxFeed API (<b>read it first</b>).
  */
-struct DXFeed : std::enable_shared_from_this<DXFeed> {
+struct DXFeed : SharedEntity {
     friend struct DXEndpoint;
 
   private:
-    handler_utils::JavaObjectHandler<DXFeed> handler_;
+    JavaObjectHandler<DXFeed> handler_;
 
     std::unordered_set<std::shared_ptr<DXFeedSubscription>> subscriptions_{};
 
@@ -35,15 +35,15 @@ struct DXFeed : std::enable_shared_from_this<DXFeed> {
 
   protected:
     DXFeed() noexcept : handler_{} {
-        if constexpr (isDebug) {
-            debug("DXFeed()");
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeed()");
         }
     }
 
   public:
     virtual ~DXFeed() noexcept {
-        if constexpr (isDebug) {
-            debug("{}::~DXFeed()", toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeed{" + handler_.toString() + "}::~DXFeed()");
         }
     }
 
@@ -67,8 +67,8 @@ struct DXFeed : std::enable_shared_from_this<DXFeed> {
 
     template <typename EventTypeIt>
     std::shared_ptr<DXFeedSubscription> createSubscription(EventTypeIt begin, EventTypeIt end) noexcept {
-        if constexpr (isDebug) {
-            debug("{}::createSubscription(eventTypes = {})", namesToString(begin, end));
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("{}::createSubscription(eventTypes = " + namesToString(begin, end) + ")");
         }
 
         auto sub = DXFeedSubscription::create(begin, end);
@@ -82,11 +82,13 @@ struct DXFeed : std::enable_shared_from_this<DXFeed> {
 
     template <typename EventTypesCollection>
     std::shared_ptr<DXFeedSubscription> createSubscription(EventTypesCollection &&eventTypes) noexcept
-        requires requires { ElementTypeIs<EventTypesCollection, EventTypeEnum>; }
+#if __cpp_concepts
+        requires ElementTypeIs<EventTypesCollection, EventTypeEnum>
+#endif
     {
-        if constexpr (isDebug) {
-            debug("{}::createSubscription(eventTypes = {})", toString(),
-                  namesToString(std::begin(eventTypes), std::end(eventTypes)));
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::createSubscription(eventTypes = " +
+                            namesToString(std::begin(eventTypes), std::end(eventTypes)) + ")");
         }
 
         auto sub = DXFeedSubscription::create(eventTypes);
@@ -96,9 +98,7 @@ struct DXFeed : std::enable_shared_from_this<DXFeed> {
         return sub;
     }
 
-    std::string toString() const {
-        return fmt::format("DXFeed{{{}}}", handler_.toString());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/api/DXFeedSubscription.hpp b/include/dxfeed_graal_cpp_api/api/DXFeedSubscription.hpp
index 9f05fd58..20e83f1e 100644
--- a/include/dxfeed_graal_cpp_api/api/DXFeedSubscription.hpp
+++ b/include/dxfeed_graal_cpp_api/api/DXFeedSubscription.hpp
@@ -7,6 +7,13 @@
 
 #include "../event/DXEvent.hpp"
 #include "../internal/Common.hpp"
+#include "../symbols/StringSymbol.hpp"
+#include "../symbols/SymbolWrapper.hpp"
+#include "dxfeed_graal_cpp_api/api/osub/WildcardSymbol.hpp"
+
+#if __cpp_lib_parallel_algorithm
+#    include <execution>
+#endif
 
 #include <unordered_set>
 
@@ -14,46 +21,44 @@ namespace dxfcpp {
 
 struct DXFeed;
 
-class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscription> {
+/**
+ * Subscription for a set of symbols and event types.
+ */
+class DXFeedSubscription : public SharedEntity {
     friend struct DXFeed;
 
     mutable std::recursive_mutex mtx_{};
-    handler_utils::JavaObjectHandler<DXFeedSubscription> handler_;
-    handler_utils::JavaObjectHandler<DXFeedEventListener> eventListenerHandler_;
+
+    std::unordered_set<EventTypeEnum> eventTypes_;
+    JavaObjectHandler<DXFeedSubscription> handler_;
+    JavaObjectHandler<DXFeedEventListener> eventListenerHandler_;
     Handler<void(const std::vector<std::shared_ptr<EventType>> &)> onEvent_{1};
 
     explicit DXFeedSubscription(const EventTypeEnum &eventType) noexcept;
 
-    static handler_utils::JavaObjectHandler<DXFeedSubscription>
-    createSubscriptionHandlerFromEventClassList(const std::unique_ptr<handler_utils::EventClassList> &list) noexcept;
+    static JavaObjectHandler<DXFeedSubscription>
+    createSubscriptionHandlerFromEventClassList(const std::unique_ptr<EventClassList> &list) noexcept;
 
     void setEventListenerHandler(Id<DXFeedSubscription> id) noexcept;
 
     template <typename EventTypeIt>
-    DXFeedSubscription(EventTypeIt begin, EventTypeIt end) noexcept
-        : mtx_{}, handler_{}, eventListenerHandler_{}, onEvent_{} {
-        if constexpr (isDebug) {
-            debug("DXFeedSubscription(eventTypes = {})", namesToString(begin, end));
+#if __cpp_concepts
+        requires requires(EventTypeIt iter) {
+            { *iter } -> std::convertible_to<EventTypeEnum>;
         }
-
-        auto size = std::distance(begin, end);
-
-        if (size <= 0) {
-            return;
+#endif
+    DXFeedSubscription(EventTypeIt begin, EventTypeIt end) noexcept
+        : mtx_{}, eventTypes_(begin, end), handler_{}, eventListenerHandler_{}, onEvent_{} {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeedSubscription(eventTypes = " + namesToString(begin, end) + ")");
         }
 
-        auto list = handler_utils::EventClassList::create(size);
+        auto list = EventClassList::create(eventTypes_.begin(), eventTypes_.end());
 
-        if (list->isEmpty()) {
+        if (!list) {
             return;
         }
 
-        std::size_t i = 0;
-
-        for (auto it = begin; it != end; it++, i++) {
-            list->set(i, it->getId());
-        }
-
         handler_ = createSubscriptionHandlerFromEventClassList(list);
     }
 
@@ -62,22 +67,30 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
 
     template <typename EventTypesCollection>
     explicit DXFeedSubscription(EventTypesCollection &&eventTypes) noexcept
-        requires requires { ElementTypeIs<EventTypesCollection, EventTypeEnum>; }
+#if __cpp_concepts
+        requires ElementTypeIs<EventTypesCollection, EventTypeEnum>
+#endif
         : DXFeedSubscription(std::begin(std::forward<EventTypesCollection>(eventTypes)),
-                             std::end(std::forward<EventTypesCollection>(eventTypes))) {}
+                             std::end(std::forward<EventTypesCollection>(eventTypes))) {
+    }
+
+    void closeImpl() const noexcept;
+
+    void clearImpl() const noexcept;
 
-    void closeImpl() noexcept;
+    bool isClosedImpl() const noexcept;
 
-    void clearImpl() noexcept;
+    void addSymbolImpl(void *graalSymbol) const noexcept;
 
-    bool isClosedImpl() noexcept;
+    void removeSymbolImpl(void *graalSymbol) const noexcept;
 
   public:
-    std::string toString() const { return fmt::format("DXFeedSubscription{{{}}}", handler_.toString()); }
+    ///
+    std::string toString() const noexcept override;
 
-    virtual ~DXFeedSubscription() {
-        if constexpr (isDebug) {
-            debug("{}::~DXFeedSubscription()", toString());
+    ~DXFeedSubscription() override {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeedSubscription{" + handler_.toString() + "}::~DXFeedSubscription()");
         }
 
         tryCallWithLock(mtx_, [this] { closeImpl(); });
@@ -86,11 +99,16 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
     /**
      * Creates <i>detached</i> subscription for a single event type.
      *
+     * Example:
+     * ```cpp
+     * auto sub = dxfcpp::DXFeedSubscription(Quote::Type);
+     * ```
+     *
      * @param eventType the event type.
      */
     static std::shared_ptr<DXFeedSubscription> create(const EventTypeEnum &eventType) noexcept {
-        if constexpr (isDebug) {
-            debug("DXFeedSubscription::create(eventType = {})", eventType.getName());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeedSubscription::create(eventType = " + eventType.getName() + ")");
         }
 
         auto sub = std::shared_ptr<DXFeedSubscription>(new DXFeedSubscription(eventType));
@@ -104,15 +122,26 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
     /**
      * Creates <i>detached</i> subscription for the given collection of event types.
      *
+     * Example:
+     * ```cpp
+     * auto eventTypes = {dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type};
+     * auto sub = dxfcpp::DXFeedSubscription::create(eventTypes.begin(), eventTypes.end());
+     * ```
+     *
      * @tparam EventTypeIt The collection's iterator type
      * @param begin The beginning of the collection of event types.
      * @param end The end of event type collection.
      * @return The new <i>detached</i> subscription for the given collection of event types.
      */
     template <typename EventTypeIt>
+#if __cpp_concepts
+        requires requires(EventTypeIt iter) {
+            { *iter } -> std::convertible_to<EventTypeEnum>;
+        }
+#endif
     static std::shared_ptr<DXFeedSubscription> create(EventTypeIt begin, EventTypeIt end) noexcept {
-        if constexpr (isDebug) {
-            debug("DXFeedSubscription::create(eventTypes = {})", namesToString(begin, end));
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("DXFeedSubscription::create(eventTypes = " + namesToString(begin, end) + ")");
         }
 
         auto sub = std::shared_ptr<DXFeedSubscription>(new DXFeedSubscription(begin, end));
@@ -126,6 +155,11 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
     /**
      * Creates <i>detached</i> subscription for the given collection of event types.
      *
+     * Example:
+     * ```cpp
+     * auto sub = dxfcpp::DXFeedSubscription::create({dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
+     * ```
+     *
      * @param eventTypes The event type collection.
      * @return The new <i>detached</i> subscription for the given collection of event types.
      */
@@ -141,13 +175,20 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
     /**
      * Creates <i>detached</i> subscription for the given collection of event types.
      *
+     * Example:
+     * ```cpp
+     * auto sub = dxfcpp::DXFeedSubscription::create(std::unordered_set{dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
+     * ```
+     *
      * @tparam EventTypesCollection The type of the collection of event types
      * @param eventTypes The event type collection.
      * @return The new <i>detached</i> subscription for the given collection of event types.
      */
     template <typename EventTypesCollection>
     static std::shared_ptr<DXFeedSubscription> create(EventTypesCollection &&eventTypes) noexcept
-        requires requires { ElementTypeIs<EventTypesCollection, EventTypeEnum>; }
+#if __cpp_concepts
+        requires ElementTypeIs<EventTypesCollection, EventTypeEnum>
+#endif
     {
         auto sub =
             std::shared_ptr<DXFeedSubscription>(new DXFeedSubscription(std::forward<EventTypesCollection>(eventTypes)));
@@ -180,8 +221,8 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
      * can be added.
      */
     void close() noexcept {
-        if constexpr (isDebug) {
-            debug("{}::close()", toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::close()");
         }
 
         std::lock_guard lock(mtx_);
@@ -189,35 +230,375 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
         closeImpl();
     }
 
+    /**
+     * Adds listener for events.
+     * Event lister can be added only when subscription is not producing any events.
+     * The subscription must be either empty
+     * (its set of @ref ::getSymbols() "symbols" is empty or not @ref ::attach() "attached" to any feed
+     * (its set of change listeners is empty).
+     *
+     * This method does nothing if this subscription is closed.
+     *
+     * Example:
+     * ```cpp
+     * auto sub = endpoint->getFeed()->createSubscription({dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
+     *
+     * sub->addEventListener([](auto &&events) {
+     *     for (const auto &e : events) {
+     *         if (auto quote = e->template sharedAs<dxfcpp::Quote>(); quote) {
+     *             std::cout << "Q   : " + quote->toString() << std::endl;
+     *         } else if (auto tns = e->template sharedAs<dxfcpp::TimeAndSale>(); tns) {
+     *             std::cout << "TnS : " + tns->toString() << std::endl;
+     *         }
+     *     }
+     * });
+     *
+     * sub->addSymbols({"$TOP10L/Q", "$SP500#45", "$TICK", "SPX"});
+     * ```
+     *
+     * @tparam EventListener The listener type. Listener can be callable with signature: `void(const
+     * std::vector<std::shared_ptr<EventType>&)`
+     * @param listener The event listener
+     * @return The listener id
+     */
     template <typename EventListener>
     std::size_t addEventListener(EventListener &&listener) noexcept
+#if __cpp_concepts
         requires requires {
             { listener(std::vector<std::shared_ptr<EventType>>{}) } -> std::same_as<void>;
         }
+#endif
     {
         return onEvent_ += listener;
     }
 
+    /**
+     * Adds typed listener for events.
+     * Event lister can be added only when subscription is not producing any events.
+     * The subscription must be either empty
+     * (its set of @ref ::getSymbols() "symbols" is empty or not @ref ::attach() "attached" to any feed
+     * (its set of change listeners is empty).
+     *
+     * This method does nothing if this subscription is closed.
+     *
+     * Example:
+     * ```cpp
+     * auto sub = endpoint->getFeed()->createSubscription({dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
+     *
+     * sub->addEventListener(std::function([](const std::vector<std::shared_ptr<dxfcpp::Quotes>> &quotes) -> void {
+     *     for (const auto &q : quotes) {
+     *         std::cout << "Q    : " + q->toString() << std::endl;
+     *     }
+     * }));
+     *
+     * sub->addEventListener<dxfcpp::TimeAndSale>([](const auto &timeAndSales) -> void {
+     *     for (const auto &tns : timeAndSales) {
+     *         std::cout << "TnS : " + tns->toString() << std::endl;
+     *     }
+     * });
+     *
+     * sub->addSymbols({"$TOP10L/Q", "AAPL", "$TICK", "SPX"});
+     * ```
+     *
+     * @tparam EventT The event type (EventType's child with field Type, convertible to EventTypeEnum
+     * @param listener The listener. Listener can be callable with signature: `void(const std::vector<std::shared_ptr<EventT>&)`
+     * @return The listener id
+     */
+    template <typename EventT>
+    std::size_t addEventListener(std::function<void(const std::vector<std::shared_ptr<EventT>> &)> &&listener) noexcept
+#if __cpp_concepts
+        requires std::is_base_of_v<EventType, EventT> && requires {
+            { EventT::Type } -> std::convertible_to<EventTypeEnum>;
+        }
+#endif
+    {
+        if (!containsEventType(EventT::Type)) {
+            return onEvent_ += [](auto) {};
+        }
+
+        return onEvent_ += [l = listener](auto &&events) {
+            std::vector<std::shared_ptr<EventT>> filteredEvents{};
+
+            filteredEvents.reserve(events.size());
+
+            for (const auto &e : events) {
+                if (auto expected = e->template sharedAs<EventT>(); expected) {
+                    filteredEvents.emplace_back(expected);
+                }
+            }
+
+            l(filteredEvents);
+        };
+    }
+
+    /**
+     * Removes listener for events.
+     *
+     * Example:
+     * ```cpp
+     * auto id = sub->addEventListener([](auto){});
+     *
+     * sub->removeEventListener(id);
+     * ```
+     *
+     * @param listenerId The listener id
+     */
     void removeEventListener(std::size_t listenerId) noexcept { onEvent_ -= listenerId; }
 
-    const auto &onEvent() noexcept { return onEvent_; }
+    /**
+     * Returns a reference to an incoming events' handler (delegate), to which listeners can be added and removed.
+     * Listener can be callable with signature: `void(const std::vector<std::shared_ptr<EventType>&)`
+     *
+     * Example:
+     * ```cpp
+     * auto sub = endpoint->getFeed()->createSubscription({dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
+     * auto id = sub->onEvent() += [](auto &&events) {
+     *     for (const auto &e : events) {
+     *         if (auto quote = e->template sharedAs<dxfcpp::Quote>(); quote) {
+     *             std::cout << "Q   : " + quote->toString() << std::endl;
+     *         } else if (auto tns = e->template sharedAs<dxfcpp::TimeAndSale>(); tns) {
+     *             std::cout << "TnS : " + tns->toString() << std::endl;
+     *         }
+     *     }
+     * };
+     *
+     * sub->addSymbols({"$TOP10L/Q", "$SP500#45", "$TICK", "SPX"});
+     * sub->onEvent() -= id;
+     * ```
+     *
+     * @return The incoming events' handler (delegate)
+     */
+    auto &onEvent() noexcept { return onEvent_; }
+
+    /**
+     * Adds the specified symbol to the set of subscribed symbols.
+     * This is a convenience method to subscribe to one symbol at a time that has a return fast-path for a case when
+     * the symbol is already in the set.
+     * When subscribing to multiple symbols at once it is preferable to use @ref ::addSymbols(const SymbolsCollection
+     * &collection) "addSymbols(symbols)" method.
+     *
+     * Example:
+     * ```cpp
+     * sub->addSymbols("TSLA");
+     * sub->addSymbols("XBT/USD:GDAX"s);
+     * sub->addSymbols("BTC/EUR:CXBITF"sv);
+     * ```
+     *
+     * @param symbolWrapper The symbol.
+     */
+    void addSymbols(const SymbolWrapper &symbolWrapper) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::addSymbols(symbolWrapper = " + toStringAny(symbolWrapper) + ")");
+        }
+
+        addSymbolImpl(symbolWrapper.toGraal());
+    }
+
+    /**
+     * Removes the specified symbol from the set of subscribed symbols.
+     * To conveniently remove one or few symbols you can use @ref ::removeSymbols(const SymbolsCollection &collection)
+     * "removeSymbols(symbols)" method.
+     *
+     * Example:
+     * ```cpp
+     * sub->removeSymbols("TSLA");
+     * sub->removeSymbols("XBT/USD:GDAX"s);
+     * sub->removeSymbols("BTC/EUR:CXBITF"sv);
+     * ```
+     *
+     * @param symbolWrapper The symbol.
+     */
+    void removeSymbols(const SymbolWrapper &symbolWrapper) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::removeSymbols(symbolWrapper = " + toStringAny(symbolWrapper) + ")");
+        }
+
+        removeSymbolImpl(symbolWrapper.toGraal());
+    }
+
+    /**
+     * Adds the specified collection (using iterators) of symbols to the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->addSymbols(v.begin(), v.end());
+     * ```
+     *
+     * @tparam SymbolIt The collection's iterator type
+     * @param begin The beginning of the collection of symbols.
+     * @param end The end of symbol collection.
+     */
+    template <typename SymbolIt> void addSymbols(SymbolIt begin, SymbolIt end) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::addSymbols(symbols = " + elementsToString(begin, end) + ")");
+        }
+
+        std::for_each(
+#if __cpp_lib_parallel_algorithm
+            std::execution::par,
+#endif
+            begin, end, [this](const SymbolWrapper &wrapper) { addSymbolImpl(wrapper.toGraal()); });
+    }
+
+    /**
+     * Adds the specified collection of symbols to the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->addSymbols(std::vector{"AAPL", "IBM"});
+     * sub->addSymbols(v);
+     * ```
+     *
+     * @tparam SymbolsCollection The symbols collection's type
+     * @param collection The symbols collection
+     */
+    template <ConvertibleToSymbolWrapperCollection SymbolsCollection>
+    void addSymbols(const SymbolsCollection &collection) noexcept {
+        addSymbols(std::begin(collection), std::end(collection));
+    }
+
+    /**
+     * Adds the specified collection (initializer list) of symbols to the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * sub->addSymbols({"AAPL", "IBM"sv, "TSLA"s, "GOOG"_s});
+     * ```
+     *
+     * @param collection The symbols collection
+     */
+    void addSymbols(std::initializer_list<SymbolWrapper> collection) noexcept {
+        addSymbols(collection.begin(), collection.end());
+    }
+
+    /**
+     * Removes the specified collection (using iterators) of symbols from the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->removeSymbols(v.begin(), v.end());
+     * ```
+     *
+     * @tparam SymbolIt The collection's iterator type
+     * @param begin The beginning of the collection of symbols.
+     * @param end The end of symbol collection.
+     */
+    template <typename SymbolIt> void removeSymbols(SymbolIt begin, SymbolIt end) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::removeSymbols(symbols = " + elementsToString(begin, end) + ")");
+        }
+
+        std::for_each(
+#if __cpp_lib_parallel_algorithm
+            std::execution::par,
+#endif
+            begin, end, [this](const SymbolWrapper &wrapper) { removeSymbolImpl(wrapper.toGraal()); });
+    }
+
+    /**
+     * Removes the specified collection of symbols from the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->removeSymbols(std::vector{"AAPL", "IBM"});
+     * sub->removeSymbols(v);
+     * ```
+     *
+     * @tparam SymbolsCollection The symbols collection's type
+     * @param collection The symbols collection
+     */
+    template <ConvertibleToSymbolWrapperCollection SymbolsCollection>
+    void removeSymbols(SymbolsCollection &&collection) noexcept {
+        removeSymbols(std::begin(collection), std::end(collection));
+    }
 
-    template <typename Symbol> void addSymbol(Symbol &&symbol) noexcept;
+    /**
+     * Removes the specified collection (initializer list) of symbols from the set of subscribed symbols.
+     *
+     * Example:
+     * ```cpp
+     * sub->removeSymbols({"AAPL", "IBM"sv, "TSLA"s, "GOOG"_s});
+     * ```
+     *
+     * @param collection The symbols collection
+     */
+    void removeSymbols(std::initializer_list<SymbolWrapper> collection) noexcept {
+        removeSymbols(collection.begin(), collection.end());
+    }
 
-    template <typename SymbolsCollection> void addSymbols(SymbolsCollection &&collection) noexcept;
+    /**
+     * Changes the set of subscribed symbols so that it contains just the symbols from the specified collection (using
+     * iterators).
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->setSymbols(v.begin(), v.end());
+     * ```
+     *
+     * @tparam SymbolIt The collection's iterator type
+     * @param begin The beginning of the collection of symbols.
+     * @param end The end of symbol collection.
+     */
+    template <typename SymbolIt> void setSymbols(SymbolIt begin, SymbolIt end) noexcept {
+        // TODO: implement using the native implementation
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::setSymbols(symbols = " + elementsToString(begin, end) + ")");
+        }
 
-    template <typename Symbol> void addSymbols(std::initializer_list<Symbol> collection) noexcept;
+        clearImpl();
+        addSymbols(begin, end);
+    }
 
-    template <typename Symbol> void removeSymbol(Symbol &&symbol) noexcept;
+    /**
+     * Changes the set of subscribed symbols so that it contains just the symbols from the specified collection.
+     *
+     * Example:
+     * ```cpp
+     * auto v = std::vector<dxfcpp::SymbolWrapper>{"XBT/USD:GDAX"s, "BTC/EUR:CXBITF"sv, "TSLA", "GOOG"_s};
+     *
+     * sub->setSymbols(std::vector{"AAPL", "IBM"});
+     * sub->setSymbols(v);
+     * ```
+     *
+     * @tparam SymbolsCollection The symbols collection's type
+     * @param collection The symbols collection
+     */
+    template <ConvertibleToSymbolWrapperCollection SymbolsCollection>
+    void setSymbols(SymbolsCollection &&collection) noexcept {
+        setSymbols(std::begin(collection), std::end(collection));
+    }
 
-    template <typename SymbolsCollection> void removeSymbols(SymbolsCollection &&collection) noexcept;
+    /**
+     * Changes the set of subscribed symbols so that it contains just the symbols from the specified collection
+     * (initializer list).
+     *
+     * Example:
+     * ```cpp
+     * sub->setSymbols({"AAPL", "IBM"sv, "TSLA"s, "GOOG"_s});
+     * ```
+     *
+     * @param collection The symbols collection
+     */
+    void setSymbols(std::initializer_list<SymbolWrapper> collection) noexcept {
+        setSymbols(collection.begin(), collection.end());
+    }
 
     /**
      * Clears the set of subscribed symbols.
      */
     void clear() noexcept {
-        if constexpr (isDebug) {
-            debug("{}::clear()", toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::clear()");
         }
 
         std::lock_guard lock(mtx_);
@@ -233,8 +614,8 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
      * @see ::close
      */
     bool isClosed() noexcept {
-        if constexpr (isDebug) {
-            debug("{}::isClosed()", toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(toString() + "::isClosed()");
         }
 
         std::lock_guard lock(mtx_);
@@ -247,7 +628,7 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
      *
      * @return A set of subscribed event types.
      */
-    std::unordered_set<EventTypeEnum> getEventTypes() noexcept;
+    const std::unordered_set<EventTypeEnum> &getEventTypes() const noexcept { return eventTypes_; }
 
     /**
      * Returns `true` if this subscription contains the corresponding event type.
@@ -256,7 +637,7 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
      *
      * @see ::getEventTypes()
      */
-    bool containsEventType(const EventTypeEnum &eventType) noexcept;
+    bool containsEventType(const EventTypeEnum &eventType) const noexcept { return eventTypes_.contains(eventType); }
 
     /**
      * Returns a set of subscribed symbols. The resulting set maybe either a snapshot of the set of
@@ -266,10 +647,6 @@ class DXFeedSubscription : public std::enable_shared_from_this<DXFeedSubscriptio
      */
     auto getSymbols() noexcept;
 
-    template <typename Symbol> void setSymbol(Symbol &&symbol) noexcept;
-
-    template <typename SymbolsCollection> void setSymbols(SymbolsCollection &&collection) noexcept;
-
     /**
      * Returns a set of decorated symbols (depending on the actual implementation of subscription).
      *
diff --git a/include/dxfeed_graal_cpp_api/api/osub/WildcardSymbol.hpp b/include/dxfeed_graal_cpp_api/api/osub/WildcardSymbol.hpp
new file mode 100644
index 00000000..7a3e2a7a
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/api/osub/WildcardSymbol.hpp
@@ -0,0 +1,53 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <utility>
+
+namespace dxfcpp {
+
+struct WildcardSymbol final {
+    static const WildcardSymbol ALL;
+
+  private:
+    std::string symbol;
+
+    WildcardSymbol(const std::string &symbol) noexcept : symbol{symbol} {}
+
+  public:
+    WildcardSymbol(const WildcardSymbol &) noexcept = default;
+    WildcardSymbol(WildcardSymbol &&) noexcept = default;
+    WildcardSymbol &operator=(const WildcardSymbol &) noexcept = default;
+    WildcardSymbol &operator=(WildcardSymbol &&) noexcept = default;
+    WildcardSymbol() noexcept = default;
+    ~WildcardSymbol() noexcept = default;
+
+    const std::string &getSymbol() const noexcept { return symbol; }
+
+    void *toGraal() const noexcept;
+
+    std::string toString() const noexcept { return "WildcardSymbol{" + getSymbol() + "}"; }
+
+    bool operator==(const WildcardSymbol &wildcardSymbol) const { return getSymbol() == wildcardSymbol.getSymbol(); }
+
+    auto operator<(const WildcardSymbol &wildcardSymbol) const { return getSymbol() < wildcardSymbol.getSymbol(); }
+};
+
+inline namespace literals {
+
+inline WildcardSymbol operator""_ws(const char *string, size_t length) noexcept { return WildcardSymbol::ALL; }
+
+inline WildcardSymbol operator""_wcs(const char *string, size_t length) noexcept { return WildcardSymbol::ALL; }
+
+} // namespace literals
+
+} // namespace dxfcpp
+
+template <> struct std::hash<dxfcpp::WildcardSymbol> {
+    std::size_t operator()(const dxfcpp::WildcardSymbol &wildcardSymbol) const noexcept {
+        return std::hash<std::string>{}(wildcardSymbol.getSymbol());
+    }
+};
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/entity/SharedEntity.hpp b/include/dxfeed_graal_cpp_api/entity/SharedEntity.hpp
index 439d8f82..e075ce82 100644
--- a/include/dxfeed_graal_cpp_api/entity/SharedEntity.hpp
+++ b/include/dxfeed_graal_cpp_api/entity/SharedEntity.hpp
@@ -50,6 +50,13 @@ struct SharedEntity : public Entity, std::enable_shared_from_this<SharedEntity>
     template <typename T> std::shared_ptr<T> sharedAs() const noexcept {
         return std::dynamic_pointer_cast<T>(shared_from_this());
     }
+
+    /**
+     * Returns a string representation of the current object.
+     *
+     * @return a string representation
+     */
+    virtual std::string toString() const noexcept { return "SharedEntity{}"; }
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/EventFlag.hpp b/include/dxfeed_graal_cpp_api/event/EventFlag.hpp
index 76c79d0e..681756f9 100644
--- a/include/dxfeed_graal_cpp_api/event/EventFlag.hpp
+++ b/include/dxfeed_graal_cpp_api/event/EventFlag.hpp
@@ -200,9 +200,11 @@ class EventFlag final {
      */
     template <typename EventFlagsMask>
     bool in(const EventFlagsMask &eventFlagsMask) const
+#if __cpp_concepts
         requires requires {
-                     { eventFlagsMask.getMask() } -> std::same_as<std::uint32_t>;
-                 }
+            { eventFlagsMask.getMask() } -> std::same_as<std::uint32_t>;
+        }
+#endif
     {
         return in(eventFlagsMask.getMask());
     }
diff --git a/include/dxfeed_graal_cpp_api/event/EventType.hpp b/include/dxfeed_graal_cpp_api/event/EventType.hpp
index cbd50251..56fd6c61 100644
--- a/include/dxfeed_graal_cpp_api/event/EventType.hpp
+++ b/include/dxfeed_graal_cpp_api/event/EventType.hpp
@@ -57,12 +57,8 @@ struct EventType : public SharedEntity {
         // The default implementation is empty
     };
 
-    /**
-     * Returns a string representation of the current object.
-     *
-     * @return a string representation
-     */
-    virtual std::string toString() const noexcept { return "EventType{}"; }
+    ///
+    std::string toString() const noexcept override { return "EventType{}"; }
 
     friend std::ostream &operator<<(std::ostream &os, const EventType &e) { return os << e.toString(); }
 
@@ -72,7 +68,9 @@ struct EventType : public SharedEntity {
 
     template <typename EntityType>
     friend std::ostream &operator<<(std::ostream &os, const std::shared_ptr<EntityType> &e)
+#if __cpp_concepts
         requires(std::is_base_of_v<EventType, EntityType>)
+#endif
     {
         return os << e->toString();
     }
diff --git a/include/dxfeed_graal_cpp_api/event/market/OptionSale.hpp b/include/dxfeed_graal_cpp_api/event/market/OptionSale.hpp
index 3bf0cae0..04fa3333 100644
--- a/include/dxfeed_graal_cpp_api/event/market/OptionSale.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/OptionSale.hpp
@@ -21,7 +21,23 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: implement
+/**
+ * Option Sale event represents a trade or another market event with the price
+ * (for example, market open/close price, etc.) for each option symbol listed under the specified Underlying.
+ * Option Sales are intended to provide information about option trades <b>in a continuous time slice</b> with
+ * the additional metrics, like Option Volatility, Option Delta, and Underlying Price.
+ *
+ * <p>Option Sale events have unique @ref ::getIndex() "index" which can be used for later
+ * correction/cancellation processing.
+ *
+ * Option sale data source provides a consistent view of the set of known option sales.
+ * The corresponding information is carried in @ref ::getEventFlags() "eventFlags" property.
+ * The logic behind this property is detailed in IndexedEvent class documentation.
+ * Multiple event sources for the same symbol are not supported for option sale events, thus
+ * @ref ::getSource() "source" property is always @ref IndexedEventSource::DEFAULT "DEFAULT".
+ *
+ * This event is implemented on top of QDS records `OptionSale`.
+ */
 class OptionSale final : public MarketEvent, public IndexedEvent {
     friend struct EventMapper;
 
@@ -500,26 +516,7 @@ class OptionSale final : public MarketEvent, public IndexedEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept {
-        return fmt::format(
-            "OptionSale{{{}, eventTime={}, eventFlags={:#x}, index={:#x}, time={}, timeNanoPart={}, sequence={}, "
-            "exchange={}, price={}, size={}, bid={}, ask={}, ESC='{}', TTE={}, side={}, spread={}, ETH={}, "
-            "validTick={}, type={}, underlyingPrice={}, volatility={}, delta={}, optionSymbol='{}'}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            getEventFlags().getMask(), getIndex(), formatTimeStampWithMillis(getTime()), getTimeNanoPart(),
-            getSequence(), string_util::encodeChar(getExchangeCode()), getPrice(), getSize(), getBidPrice(),
-            getAskPrice(), getExchangeSaleConditions(), string_util::encodeChar(getTradeThroughExempt()),
-            getAggressorSide().toString(), isSpreadLeg(), isExtendedTradingHours(), isValidTick(), getType().toString(),
-            getUnderlyingPrice(), getVolatility(), getDelta(), getOptionSymbol());
-    }
-
-    template <typename OStream> friend OStream &operator<<(OStream &os, const OptionSale &e) {
-        return os << e.toString();
-    }
-
-    template <typename OStream> friend OStream &operator<<(OStream &os, const std::shared_ptr<OptionSale> &e) {
-        return os << e->toString();
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/OrderAction.hpp b/include/dxfeed_graal_cpp_api/event/market/OrderAction.hpp
index 86831786..3b1def7d 100644
--- a/include/dxfeed_graal_cpp_api/event/market/OrderAction.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/OrderAction.hpp
@@ -1,8 +1,4 @@
-//
-// Created by ttldt on 31.03.2023.
-//
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
 
-#ifndef DXFEEDNATIVEAPI_ORDERACTION_HPP
-#define DXFEEDNATIVEAPI_ORDERACTION_HPP
-// TODO: implement
-#endif // DXFEEDNATIVEAPI_ORDERACTION_HPP
+#pragma once
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/Profile.hpp b/include/dxfeed_graal_cpp_api/event/market/Profile.hpp
index a0e20eda..d322f365 100644
--- a/include/dxfeed_graal_cpp_api/event/market/Profile.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/Profile.hpp
@@ -22,7 +22,6 @@ struct EventMapper;
  * Profile information snapshot that contains security instrument description.
  * It represents the most recent information that is available about the traded security
  * on the market at any given moment of time.
- *
  */
 class Profile final : public MarketEvent, public LastingEvent {
     friend struct EventMapper;
@@ -349,18 +348,7 @@ class Profile final : public MarketEvent, public LastingEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format("Profile{{{}, eventTime={}, description='{}', SSR={}, status={}, statusReason='{}', "
-                           "haltStartTime={}, haltEndTime={}, highLimitPrice={}, lowLimitPrice={}, high52WeekPrice={}, "
-                           "low52WeekPrice={}, beta={}, earningsPerShare={}, dividendFrequency={}, "
-                           "exDividendAmount={}, exDividendDay={}, shares={}, freeFloat={}}}",
-                           MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-                           getDescription(), getShortSaleRestriction().toString(), getTradingStatus().toString(),
-                           getStatusReason(), formatTimeStamp(getHaltStartTime()), formatTimeStamp(getHaltEndTime()),
-                           getHighLimitPrice(), getLowLimitPrice(), getHigh52WeekPrice(), getLow52WeekPrice(),
-                           getBeta(), getEarningsPerShare(), getDividendFrequency(), getExDividendAmount(),
-                           day_util::getYearMonthDayByDayId(getExDividendDayId()), getShares(), getFreeFloat());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/Quote.hpp b/include/dxfeed_graal_cpp_api/event/market/Quote.hpp
index 13b2ec0e..23f8e42d 100644
--- a/include/dxfeed_graal_cpp_api/event/market/Quote.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/Quote.hpp
@@ -285,15 +285,7 @@ class Quote final : public MarketEvent, public LastingEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format(
-            "Quote{{{}, eventTime={}, time={}, timeNanoPart={}, sequence={}, bidTime={}, bidExchange={}, bidPrice={}, "
-            "bidSize={}, askTime={}, askExchange={}, askPrice={}, askSize={}}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            formatTimeStampWithMillis(getTime()), getTimeNanoPart(), getSequence(), formatTimeStamp(getBidTime()),
-            string_util::encodeChar(getBidExchangeCode()), getBidPrice(), getBidSize(), formatTimeStamp(getAskTime()),
-            string_util::encodeChar(getAskExchangeCode()), getAskPrice(), getAskSize());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/Summary.hpp b/include/dxfeed_graal_cpp_api/event/market/Summary.hpp
index cf7c53df..da170bc6 100644
--- a/include/dxfeed_graal_cpp_api/event/market/Summary.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/Summary.hpp
@@ -244,16 +244,7 @@ class Summary final : public MarketEvent, public LastingEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format("Summary{{{}, eventTime={}, day={}, dayOpen={}, dayHigh={}, dayLow='{}', "
-                           "dayClose={}, dayCloseType={}, prevDay={}, prevDayClose={}, prevDayCloseType={}, "
-                           "prevDayVolume={}, openInterest={}}}",
-                           MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-                           day_util::getYearMonthDayByDayId(getDayId()), getDayOpenPrice(), getDayHighPrice(),
-                           getDayLowPrice(), getDayLowPrice(), getDayClosePrice(), getDayClosePriceType().toString(),
-                           day_util::getYearMonthDayByDayId(getPrevDayId()), getPrevDayClosePrice(),
-                           getPrevDayClosePriceType().toString(), getPrevDayVolume(), getOpenInterest());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/TimeAndSale.hpp b/include/dxfeed_graal_cpp_api/event/market/TimeAndSale.hpp
index 59a5a054..ea45b03c 100644
--- a/include/dxfeed_graal_cpp_api/event/market/TimeAndSale.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/TimeAndSale.hpp
@@ -21,7 +21,29 @@ namespace dxfcpp {
 struct EventMapper;
 class OptionSale;
 
-// TODO: doc
+/**
+ * Time and Sale represents a trade or other market event with price, like market open/close price, etc.
+ * Time and Sales are intended to provide information about trades <b>in a continuous time slice</b>
+ * (unlike Trade events which are supposed to provide snapshot about the <b>current last</b> trade).
+ *
+ * <p> Time and Sale events have unique @ref ::getIndex() "index" which can be used for later
+ * correction/cancellation processing.
+ *
+ * Some time and sale sources provide a consistent view of the set of known time and sales
+ * for a given time range when used with DXFeedTimeSeriesSubscription}.
+ * The corresponding information is carried in @ref ::getEventFlags() "eventFlags" property.
+ * The logic behind this property is detailed in IndexedEvent class documentation.
+ * Multiple event sources for the same symbol are not supported for time and sales, thus
+ * @ref ::getSource() "source" property is always @ref IndexedEventSource::DEFAULT "DEFAULT".
+ *
+ * <p> Regular subscription via DXFeedSubscription produces a stream of time and
+ * sale events as they happen and their @ref ::getEventFlags() "eventFlags" are always zero.
+ *
+ * Publishing of time and sales events follows the general rules explained in TimeSeriesEvent class
+ * documentation.
+ *
+ * This event is implemented on top of QDS record `TimeAndSale`.
+ */
 class TimeAndSale final : public MarketEvent, public TimeSeriesEvent {
     friend struct EventMapper;
     friend class OptionSale;
@@ -468,19 +490,7 @@ class TimeAndSale final : public MarketEvent, public TimeSeriesEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format("TimeAndSale{{{}, eventTime={}, eventFlags={:#x}, time={}, timeNanoPart={}, sequence={}, "
-                           "exchange={}, price={}, size={}, bid={}, "
-                           "ask={}, ESC='{}', TTE={}, side={}, spread={}, ETH={}, validTick={}, type={}{}{}}}",
-                           MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-                           getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getTimeNanoPart(),
-                           getSequence(), string_util::encodeChar(getExchangeCode()), getPrice(), getSize(),
-                           getBidPrice(), getAskPrice(), getExchangeSaleConditions(),
-                           string_util::encodeChar(getTradeThroughExempt()), getAggressorSide().toString(),
-                           isSpreadLeg(), isExtendedTradingHours(), isValidTick(), getType().toString(),
-                           getBuyer().empty() ? std::string{} : fmt::format(", buyer='{}'", getBuyer()),
-                           getSeller().empty() ? std::string{} : fmt::format(", seller='{}'", getSeller()));
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/Trade.hpp b/include/dxfeed_graal_cpp_api/event/market/Trade.hpp
index 167c7e5a..61532ce9 100644
--- a/include/dxfeed_graal_cpp_api/event/market/Trade.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/Trade.hpp
@@ -18,8 +18,54 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: doc
-
+/**
+ * Trade event is a snapshot of the price and size of the last trade during regular trading hours
+ * and an overall day volume and day turnover.
+ * It represents the most recent information that is available about the regular last trade on the market
+ * at any given moment of time.
+ *
+ * <h3>Trading sessions</h3>
+ *
+ * The Trade event defines last trade @ref ::getPrice() "price" as officially defined
+ * by the corresponding exchange for its <b>regular trading hours</b> (RTH).
+ * It also include an official exchange @ref ::getDayVolume() "dayVolume" and @ref ::getDayTurnover() "dayTurnover"
+ * <b>for the whole trading day</b> identified by @ref ::getDayId() "dayId".
+ * So, Trade event captures all the official numbers that are typically reported by exchange.
+ *
+ * <p>Trades that happen in <b>extended trading hours</b> (ETH, pre-market and post-market trading sessions),
+ * which are typically defined for stocks and ETFs, do not update last trade @ref ::getTime() "time",
+ * @ref ::getExchangeCode() "exchangeCode", @ref ::getPrice() "price", @ref ::getChange() "change",
+ * @ref ::getSize() "size", and @ref ::getTickDirection() "tickDirection" in the Trade event, but they do update
+ * @ref ::getDayVolume() "dayVolume" and @ref ::getDayTurnover() "dayTurnover".
+ *
+ * <p>During extended trading hours a TradeETH event is generated on each trade with its
+ * @ref TradeETH::isExtendedTradingHours() "extendedTradingHours" property set to `true`.</p>
+ *
+ * <h3>Volume and Turnover</h3>
+ *
+ * <p>The volume and turnover are included into the Trade event instead
+ * of Summary event, because both volume and turnover typically update with each trade.
+ * The @ref ::getDayId() "dayId" field identifies current trading day for which volume and turnover statistics are computed.
+ * This solution avoids generation of multiple events on each trade during regular trading hours.
+ * Summary event is generated during the trading day only when new highs or lows are reached or other properties change.
+ *
+ * <p>Note that one can compute volume-weighted average price (VWAP) for a day by this formula:
+ * <br><code>vwap = @ref ::getDayTurnover() "dayTurnover" / @ref ::getDayVolume() "dayVolume";</code>
+ *
+ * <h3>Daily reset</h3>
+ *
+ * Daily reset procedure that happens on a schedule during non-trading hours resets Trade
+ * @ref ::getDayVolume() "dayVolume" and @ref ::getDayTurnover() "dayTurnover" to math::NaN
+ * and sets @ref ::getDayId() "dayId" to the next trading day in preparation to the next day's pre-market trading session
+ * (or for regular trading if there is no pre-market) while leaving all other properties intact.
+ * They reflect information about the last known RTH trade until the next RTH trade happens.
+ *
+ * <h3>Implementation details</h3>
+ *
+ * This event is implemented on top of QDS records `Trade` and `Trade&X`
+ * for regional exchange trades.
+ * Regional records do not explicitly store a field for @ref #getExchangeCode() "exchangeCode" property.
+ */
 class Trade final : public TradeBase {
     friend struct EventMapper;
 
@@ -43,7 +89,7 @@ class Trade final : public TradeBase {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override { return fmt::format("Trade{{{}}}", baseFieldsToString()); }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/TradeBase.hpp b/include/dxfeed_graal_cpp_api/event/market/TradeBase.hpp
index 71e489d6..feb24665 100644
--- a/include/dxfeed_graal_cpp_api/event/market/TradeBase.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/TradeBase.hpp
@@ -74,7 +74,9 @@ class TradeBase : public MarketEvent, public LastingEvent {
 
     template <typename ChildType, typename GraalNativeEventType, typename ChildGraalNativeEventType, auto clazz>
     static std::shared_ptr<ChildType> fromGraalNative(void *graalNative) noexcept
+#if __cpp_concepts
         requires(std::is_base_of_v<TradeBase, ChildType>)
+#endif
     {
         if (!graalNative) {
             return {};
@@ -360,16 +362,7 @@ class TradeBase : public MarketEvent, public LastingEvent {
      *
      * @return string representation of this trade event's fields.
      */
-    std::string baseFieldsToString() const noexcept {
-        return fmt::format("{}, eventTime={}, time={}, timeNanoPart={}, sequence={}, exchange={}, price={}, "
-                           "change={}, size={}, day={}, dayVolume={}, dayTurnover={}, "
-                           "direction={}, ETH={}",
-                           MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-                           formatTimeStampWithMillis(getTime()), getTimeNanoPart(), getSequence(),
-                           string_util::encodeChar(getExchangeCode()), getPrice(), getChange(), getSize(),
-                           day_util::getYearMonthDayByDayId(getDayId()), getDayVolume(), getDayTurnover(),
-                           getTickDirection().toString(), isExtendedTradingHours());
-    }
+    std::string baseFieldsToString() const noexcept;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/market/TradeETH.hpp b/include/dxfeed_graal_cpp_api/event/market/TradeETH.hpp
index 6c537917..6e563a8e 100644
--- a/include/dxfeed_graal_cpp_api/event/market/TradeETH.hpp
+++ b/include/dxfeed_graal_cpp_api/event/market/TradeETH.hpp
@@ -18,8 +18,77 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: doc
-
+/**
+ * TradeETH event is a snapshot of the price and size of the last trade during
+ * extended trading hours and the extended trading hours day volume and day turnover.
+ * This event is defined only for symbols (typically stocks and ETFs) with a designated
+ * <b>extended trading hours</b>  (ETH, pre market and post market trading sessions).
+ * It represents the most recent information that is available about
+ * ETH last trade on the market at any given moment of time.
+ *
+ * <h3>Trading sessions</h3>
+ *
+ * The TradeETH event defines last trade @ref ::getPrice() "price" as officially defined
+ * by the corresponding exchange for its <b>extended trading hours</b> (ETH).
+ * It also includes @ref ::getDayVolume() "dayVolume" and @ref ::getDayTurnover() "dayTurnover"
+ * <b>for the extended trading hours only</b> of the trading day identified by @ref ::getDayId "dayId".
+ * This event is not defined for symbols that has no concept of ETH.
+ *
+ * <p>When the first trade of <b>regular trading hours</b> (RTH) happens, then TradeETH event is generated
+ * with @ref ::isExtendedTradingHours() "extendedTradingHours" property set to `false`. Afterwards, during RTH,
+ * TradeETH event is not updated and retains information about the last trade, volume and turnover of the pre market trading session.
+ *
+ * <p>When the first trade of <b>extended trading hours</b> (ETH) happens, then TradeETH event is generated
+ * with @ref ::isExtendedTradingHours() "extendedTradingHours" property set to `true`. Afterwards, during ETH,
+ * TradeETH event is updated on each trade with the last trade information from post market trading session
+ * and total volume and turnover of the pre and post market trading session (excluding the volume and turnover of a regular trading session).
+ *
+ * Note, that during pre- and post-market sessions, Trade event also updates, but only its
+ * @ref Trade::getDayVolume() "dayVolume" and @ref Trade::getDayTurnover() "dayTurnover" properties change
+ * to reflect the overall official volume and turnover as reported by exchanges.
+ * During post market trading session, exchanges may correct their official RTH last trading price, which results
+ * in the update to Trade event.
+ *
+ * <h3>Volume and Turnover</h3>
+ *
+ * <p>Note that one can compute volume-weighted average price (VWAP) for extended trading hours by this formula:
+ * <br><code>vwap = @ref ::getDayTurnover() "dayTurnover" / @ref ::getDayVolume() "dayVolume";</code>
+ *
+ * <h3>Daily reset</h3>
+ *
+ * Daily reset procedure that happens on a schedule during non-trading hours resets TradeETH
+ * @ref #getDayVolume() "dayVolume" and @ref ::getDayTurnover() "dayTurnover" to math::NaN
+ * and sets @ref ::getDayId() "dayId" to the next trading day in preparation to the next day's pre-market trading session
+ * (or for regular trading if there is no pre-market) while leaving all other properties intact.
+ * They reflect information about the last known ETH trade until the next ETH trade happens.
+ *
+ * <h3>The most recent last trade price</h3>
+ *
+ * The most recent last trade price ("extended last price") in the market can be found by combining information from both
+ * Trade and TradeETH events using @ref ::isExtendedTradingHours() "isExtendedTradingHours" method to figure out
+ * which trading session had the most recent trade. The following piece of code finds the most
+ * recent last trade price from the given @ref DXFeed "feed" for a given `symbol`,
+ * assuming there is a @ref DXFeedSubscription "subscription" for both Trade and TradeETH events
+ * for the given `symbol`:
+ *
+ * <pre><tt>
+ *     auto @ref Trade "trade" = feed->@ref DXFeed::getLastEvent() "getLastEvent"(Trade::create(symbol));
+ *     auto @ref TradeETH "tradeEth" = feed->@ref DXFeed::getLastEvent() "getLastEvent"(TradeETH::create(symbol));
+ *     <b>double</b> extLast = tradeEth->@ref ::isExtendedTradingHours() "isExtendedTradingHours"() ? tradeEth->@ref ::getPrice() "getPrice"() : trade->@ref Trade::getPrice() "getPrice"();
+ * </tt></pre>
+ *
+ * Note, that the above code works correctly for symbols that has no concept of ETH, too, because in this
+ * case the DXFeed::getLastEvent() leaves default values in TradeETH
+ * event properties, which means that @ref ::isExtendedTradingHours() "extendedTradingHours" flag is `false`
+ * and a regular Trade::getPrice() is used.
+ *
+ * <h3>Implementation details</h3>
+ *
+ * This event is implemented on top of QDS record `TradeETH` and `TradeETH&X`
+ * for regional exchange extended trade hours.
+ * @ref ::isExtendedTradingHours() "extendedTradingHours" property is internally represented as a last bit of the "Flags" field of the record.
+ * Regional records do not explicitly store a field for @ref ::getExchangeCode() "exchangeCode" property.
+ */
 class TradeETH final : public TradeBase {
     friend struct EventMapper;
 
@@ -43,7 +112,7 @@ class TradeETH final : public TradeBase {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override { return fmt::format("TradeETH{{{}}}", baseFieldsToString()); }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/option/Greeks.hpp b/include/dxfeed_graal_cpp_api/event/option/Greeks.hpp
index 8348652b..bc602fae 100644
--- a/include/dxfeed_graal_cpp_api/event/option/Greeks.hpp
+++ b/include/dxfeed_graal_cpp_api/event/option/Greeks.hpp
@@ -271,14 +271,7 @@ class Greeks final : public MarketEvent, public TimeSeriesEvent, public LastingE
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format(
-            "Greeks{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, price={}, volatility={}, delta={}, "
-            "gamma={}, theta={}, rho={}, vega={}}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getPrice(), getVolatility(),
-            getDelta(), getGamma(), getTheta(), getRho(), getVega());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/option/Series.hpp b/include/dxfeed_graal_cpp_api/event/option/Series.hpp
index dc78588f..91382f06 100644
--- a/include/dxfeed_graal_cpp_api/event/option/Series.hpp
+++ b/include/dxfeed_graal_cpp_api/event/option/Series.hpp
@@ -18,7 +18,35 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: doc
+/**
+ * Series event is a snapshot of computed values that are available for all option series for
+ * a given underlying symbol based on the option prices on the market.
+ * It represents the most recent information that is available about the corresponding values on
+ * the market at any given moment of time.
+ *
+ * <p>Series is an IndexedEvent with multiple instances of event available for
+ * each underlying symbol. Each series event instance corresponds to an OptionSeries
+ * of the corresponding underlying. The correspondence between a series event instance and
+ * an OptionSeries is established via @ref ::getExpiration() "expiration" property.
+ * If case where there are multiple series at the same expiration day id, then series events are
+ * are ordered by their @ref #getIndex() "index" in the same order as the corresponding
+ * OptionSeries are @ref OptionSeries::compareTo(OptionSeries) "ordered" by their attributes.
+ *
+ * <h3><a name="eventFlagsSection">Event flags, transactions and snapshots</a></h3>
+ *
+ * Series data source provides a consistent view of the set of known series.
+ * The corresponding information is carried in @ref ::getEventFlags() "eventFlags" property.
+ * The logic behind this property is detailed in IndexedEvent class documentation.
+ * Multiple event sources for the same symbol are not supported for series, thus
+ * @ref ::getSource() "source" property is always @ref IndexedEventSource::DEFAULT "DEFAULT".
+ *
+ * <p>IndexedEventModel class handles all the snapshot and transaction logic and conveniently represents
+ * a list current of events.
+ *
+ * <h3>Implementation details</h3>
+ *
+ * This event is implemented on top of QDS records `Series`.
+ */
 class Series final : public MarketEvent, public IndexedEvent {
     friend struct EventMapper;
 
@@ -304,15 +332,7 @@ class Series final : public MarketEvent, public IndexedEvent {
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format(
-            "Series{{{}, eventTime={}, eventFlags={:#x}, index={:#x}, time={}, sequence={}, expiration={}, "
-            "volatility={}, callVolume={}, putVolume={}, putCallRatio={}, forwardPrice={}, dividend={}, interest={}}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            getEventFlags().getMask(), getIndex(), formatTimeStampWithMillis(getTime()), getSequence(),
-            day_util::getYearMonthDayByDayId(getExpiration()), getVolatility(), getCallVolume(), getPutVolume(),
-            getPutCallRatio(), getForwardPrice(), getDividend(), getInterest());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/option/TheoPrice.hpp b/include/dxfeed_graal_cpp_api/event/option/TheoPrice.hpp
index d2f7bc06..f72554fd 100644
--- a/include/dxfeed_graal_cpp_api/event/option/TheoPrice.hpp
+++ b/include/dxfeed_graal_cpp_api/event/option/TheoPrice.hpp
@@ -19,7 +19,36 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: doc
+/**
+ * Theo price is a snapshot of the theoretical option price computation that is
+ * periodically performed by <a href="http://www.devexperts.com/en/products/price.html">dxPrice</a>
+ * model-free computation.
+ * It represents the most recent information that is available about the corresponding
+ * values at any given moment of time.
+ * The values include first and second order derivative of the price curve by price, so that
+ * the real-time theoretical option price can be estimated on real-time changes of the underlying
+ * price in the vicinity.
+ *
+ * <h3><a name="eventFlagsSection">Event flags, transactions and snapshots</a></h3>
+ *
+ * Some TheoPrice sources provide a consistent view of the set of known TheoPrice.
+ * The corresponding information is carried in @ref ::getEventFlags() "eventFlags" property.
+ * The logic behind this property is detailed in IndexedEvent class documentation.
+ * Multiple event sources for the same symbol are not supported for TheoPrice, thus
+ * @ref ::getSource() "source" property is always @ref IndexedEventSource::DEFAULT "DEFAULT".
+ *
+ * <p>TimeSeriesEventModel class handles all the snapshot and transaction logic and conveniently represents
+ * a list current of time-series events order by their @ref ::getTime() "time".
+ *
+ * <h3>Publishing TheoPrice</h3>
+ *
+ * Publishing of TheoPrice events follows the general rules explained in TimeSeriesEvent class
+ * documentation.
+ *
+ * <h3>Implementation details</h3>
+ *
+ * This event is implemented on top of QDS records `TheoPrice`.
+ */
 class TheoPrice final : public MarketEvent, public TimeSeriesEvent, public LastingEvent {
     friend struct EventMapper;
 
@@ -237,14 +266,7 @@ class TheoPrice final : public MarketEvent, public TimeSeriesEvent, public Lasti
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format(
-            "TheoPrice{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, price={}, underlyingPrice={}, "
-            "delta={}, gamma={}, dividend={}, interest={}}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getPrice(),
-            getUnderlyingPrice(), getDelta(), getGamma(), getDividend(), getInterest());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/event/option/Underlying.hpp b/include/dxfeed_graal_cpp_api/event/option/Underlying.hpp
index 6c4a2098..d1ff436c 100644
--- a/include/dxfeed_graal_cpp_api/event/option/Underlying.hpp
+++ b/include/dxfeed_graal_cpp_api/event/option/Underlying.hpp
@@ -19,7 +19,32 @@ namespace dxfcpp {
 
 struct EventMapper;
 
-// TODO: doc
+/**
+ * Underlying event is a snapshot of computed values that are available for an option underlying
+ * symbol based on the option prices on the market.
+ * It represents the most recent information that is available about the corresponding values on
+ * the market at any given moment of time.
+ *
+ * <h3><a name="eventFlagsSection">Event flags, transactions and snapshots</a></h3>
+ *
+ * Some Underlying sources provide a consistent view of the set of known Underlying events.
+ * The corresponding information is carried in @ref ::getEventFlags() "eventFlags" property.
+ * The logic behind this property is detailed in IndexedEvent class documentation.
+ * Multiple event sources for the same symbol are not supported for Underlying, thus
+ * @ref ::getSource() "source" property is always @ref IndexedEventSource::DEFAULT "DEFAULT".
+ *
+ * <p>TimeSeriesEventModel class handles all the snapshot and transaction logic and conveniently represents
+ * a list current of time-series events order by their @ref ::getTime() "time".
+ *
+ * <h3>Publishing Underlying</h3>
+ *
+ * Publishing of Underlying events follows the general rules explained in TimeSeriesEvent class
+ * documentation.
+ *
+ * <h3>Implementation details</h3>
+ *
+ * This event is implemented on top of QDS record `Underlying`.
+ */
 class Underlying final: public MarketEvent, public TimeSeriesEvent, public LastingEvent {
     friend struct EventMapper;
 
@@ -252,14 +277,7 @@ class Underlying final: public MarketEvent, public TimeSeriesEvent, public Lasti
      *
      * @return a string representation
      */
-    std::string toString() const noexcept override {
-        return fmt::format(
-            "Underlying{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, volatility={}, frontVolatility={}, "
-            "backVolatility={}, callVolume={}, putVolume={}, putCallRatio={}}}",
-            MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
-            getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getVolatility(),
-            getFrontVolatility(), getBackVolatility(), getCallVolume(), getPutVolume(), getPutCallRatio());
-    }
+    std::string toString() const noexcept override;
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/CEntryPointErrors.hpp b/include/dxfeed_graal_cpp_api/internal/CEntryPointErrors.hpp
index a57a9648..19348778 100644
--- a/include/dxfeed_graal_cpp_api/internal/CEntryPointErrors.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/CEntryPointErrors.hpp
@@ -7,6 +7,7 @@
 #include <cstdint>
 #include <string>
 #include <unordered_map>
+#include <functional>
 
 #include "Common.hpp"
 
diff --git a/include/dxfeed_graal_cpp_api/internal/Common.hpp b/include/dxfeed_graal_cpp_api/internal/Common.hpp
index 7fc30f46..59f5480f 100644
--- a/include/dxfeed_graal_cpp_api/internal/Common.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/Common.hpp
@@ -14,13 +14,12 @@
 #include <mutex>
 #include <sstream>
 #include <type_traits>
+#include <utility>
 
-#include <fmt/chrono.h>
-#include <fmt/format.h>
-#include <fmt/ostream.h>
-#include <fmt/std.h>
+#include "utils/debug/Debug.hpp"
 
 namespace dxfcpp {
+
 template <typename T>
 concept Integral = std::is_integral_v<T>;
 
@@ -28,20 +27,6 @@ struct DXFeedEventListener {};
 
 struct DXEndpointStateChangeListener {};
 
-#if defined(NDEBUG) && !defined(DXFCPP_DEBUG)
-constexpr bool isDebug = false;
-constexpr bool isDebugIsolates = false;
-#else
-constexpr bool isDebug = true;
-
-#    ifdef DXFCPP_DEBUG_ISOLATES
-constexpr bool isDebugIsolates = true;
-#    else
-constexpr bool isDebugIsolates = false;
-#    endif
-
-#endif
-
 #if defined(__clang__)
 constexpr bool isClangFlavouredCompiler = true;
 #else
@@ -62,7 +47,9 @@ constexpr inline auto is_constant_evaluated(bool default_value = false) noexcept
 // Implementation of std::bit_cast for pre-C++20.
 template <typename To, typename From>
 constexpr To bit_cast(const From &from)
+#if __cpp_concepts
     requires(sizeof(To) == sizeof(From))
+#endif
 {
 #ifdef __cpp_lib_bit_cast
     if (is_constant_evaluated())
@@ -106,115 +93,6 @@ inline auto now() {
         .count();
 }
 
-template <typename... Args> std::string vformat(std::string_view format, Args &&...args) {
-    return fmt::vformat(format, fmt::make_format_args(args...));
-}
-
-template <typename... Args> void vprint(std::ostream &os, std::string_view format, Args &&...args) {
-    fmt::vprint(os, format, fmt::make_format_args(args...));
-}
-
-inline std::string nowStr() {
-    auto now = std::chrono::system_clock::now();
-    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count() % 1000;
-
-    return fmt::format("{:%y%m%d %H%M%S}.{:0>3}", std::chrono::floor<std::chrono::seconds>(now), ms);
-}
-
-inline std::string nowStrWithTimeZone() {
-    auto now = std::chrono::system_clock::now();
-    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count() % 1000;
-
-    return fmt::format("{:%y%m%d-%H%M%S}.{:0>3}{:%z}", std::chrono::floor<std::chrono::seconds>(now), ms,
-                       std::chrono::floor<std::chrono::seconds>(now));
-}
-
-inline std::string formatTimeStamp(std::int64_t timestamp) {
-    auto tm = fmt::localtime(static_cast<std::time_t>(timestamp / 1000));
-
-    return fmt::format("{:%y%m%d-%H%M%S%z}", tm);
-}
-
-inline std::string formatTimeStampWithMillis(std::int64_t timestamp) {
-    auto ms = timestamp % 1000;
-    auto tm = fmt::localtime(static_cast<std::time_t>(timestamp / 1000));
-
-    return fmt::format("{:%y%m%d-%H%M%S}.{:0>3}{:%z}", tm, ms, tm);
-}
-
-inline std::string debugPrefixStr() {
-    std::ostringstream tid{};
-
-    tid << std::this_thread::get_id();
-
-    return fmt::format("D {} [{}]", nowStr(), tid.str());
-}
-
-template <typename... Args> inline void debug(std::string_view format, Args &&...args) {
-    vprint(std::cerr, "{} {}\n", debugPrefixStr(), vformat(format, std::forward<Args>(args)...));
-}
-
-namespace handler_utils {
-
-template <typename T> struct JavaObjectHandler {
-    using Type = T;
-    static void deleter(void *handler) noexcept;
-    explicit JavaObjectHandler(void *handler = nullptr) noexcept : impl_{handler, &deleter} {}
-
-    JavaObjectHandler(JavaObjectHandler &&) = default;
-    JavaObjectHandler &operator=(JavaObjectHandler &&) = default;
-    virtual ~JavaObjectHandler() noexcept = default;
-
-    [[nodiscard]] std::string toString() const noexcept {
-        if (impl_)
-            return fmt::format("{}", impl_.get());
-        else
-            return "nullptr";
-    }
-
-    [[nodiscard]] void *get() const noexcept { return impl_.get(); }
-
-    explicit operator bool() const noexcept { return static_cast<bool>(impl_); }
-
-  private:
-    std::unique_ptr<void, decltype(&deleter)> impl_;
-};
-
-struct EventClassList {
-    static std::unique_ptr<EventClassList> create(std::size_t size) noexcept;
-
-    void set(std::size_t index, std::uint32_t id) noexcept;
-
-    [[nodiscard]] bool isEmpty() const noexcept;
-
-    [[nodiscard]] std::size_t size() const noexcept;
-
-    void *getHandler() noexcept;
-
-    ~EventClassList() noexcept;
-
-  private:
-    EventClassList() noexcept;
-
-    struct Impl;
-
-    std::unique_ptr<Impl> impl_;
-};
-
-} // namespace handler_utils
-
-template <typename It>
-    requires requires { std::is_same_v<std::decay_t<decltype(It {} -> getName())>, std::string>; }
-std::string namesToString(It begin, It end) {
-    std::string result{"["};
-
-    for (auto it = begin; it != end; it++) {
-        result += fmt::format("'{}'{}", it->getName(), std::next(it) == end ? "" : ", ");
-    }
-
-    return result + "]";
-}
-
 template <typename M, typename F, typename... Args> inline void callWithLock(M &mtx, F &&f, Args &&...args) noexcept {
     std::once_flag once{};
 
@@ -339,23 +217,6 @@ static constexpr std::int32_t getSecondsFromTime(std::int64_t timeMillis) {
 }
 } // namespace time_util
 
-namespace string_util {
-static std::string encodeChar(std::int16_t c) {
-    if (c >= 32 && c <= 126) {
-        return std::string{} + static_cast<char>(c);
-    }
-
-    if (c == 0) {
-        return "\\0";
-    }
-
-    return fmt::format("\\u{:04x}", c);
-}
-
-static std::string encodeChar(char c) { return encodeChar(static_cast<std::int16_t>(static_cast<unsigned char>(c))); }
-
-} // namespace string_util
-
 namespace math_util {
 
 /**
@@ -732,54 +593,4 @@ template <Integral F, Integral M, Integral S, Integral B> static constexpr F set
     }
 }
 
-std::string toString(const char *chars);
-
-char utf16to8(std::int16_t in);
-
-std::int16_t utf8to16(char in);
-
-struct String {
-    inline static const std::string EMPTY{};
-};
-
-template <typename T> struct Id {
-    using ValueType = std::size_t;
-
-  private:
-    const ValueType value_{};
-
-    explicit Id(ValueType value) : value_{value} {}
-
-  public:
-    static Id<T> getNext() {
-        static std::atomic<ValueType> value{};
-
-        return Id<T>{value++};
-    }
-
-    [[nodiscard]] ValueType getValue() const { return value_; }
-
-    explicit operator ValueType() const { return value_; }
-
-    static Id<T> from(ValueType value) { return Id<T>{value}; }
-
-    template <typename U> bool operator==(const Id<U> &id) const { return getValue() == id.getValue(); }
-
-    template <typename U> auto operator<=>(const Id<U> &id) const { return getValue() <=> id.getValue(); }
-};
-
-template <class T> class NonCopyable {
-  public:
-    NonCopyable(const NonCopyable &) = delete;
-    T &operator=(const T &) = delete;
-
-  protected:
-    NonCopyable() = default;
-    ~NonCopyable() = default;
-};
-
 } // namespace dxfcpp
-
-template <typename T> struct std::hash<dxfcpp::Id<T>> {
-    std::size_t operator()(const dxfcpp::Id<T> &id) const noexcept { return id.getValue(); }
-};
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/Enum.hpp b/include/dxfeed_graal_cpp_api/internal/Enum.hpp
index f7b9070a..1ffcf65c 100644
--- a/include/dxfeed_graal_cpp_api/internal/Enum.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/Enum.hpp
@@ -94,6 +94,7 @@ template <typename Child, typename Code> struct Enum {
             return found->second;
         }
 
+        //TODO: try to implement C++11-like code for this
         if constexpr (requires { Child::getDefault(); }) {
             return Child::getDefault();
         } else {
diff --git a/include/dxfeed_graal_cpp_api/internal/EventClassList.hpp b/include/dxfeed_graal_cpp_api/internal/EventClassList.hpp
new file mode 100644
index 00000000..b4205159
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/EventClassList.hpp
@@ -0,0 +1,56 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <memory>
+#include <utility>
+#include <cstdint>
+
+namespace dxfcpp {
+
+struct EventClassList {
+    template <typename EventTypeIt>
+    static std::unique_ptr<EventClassList> create(EventTypeIt begin, EventTypeIt end) noexcept {
+        auto size = std::distance(begin, end);
+
+        if (size <= 0) {
+            return {};
+        }
+
+        auto list = create(size);
+
+        if (!list || list->isEmpty()) {
+            return {};
+        }
+
+        std::size_t i = 0;
+
+        for (auto it = begin; it != end; it++, i++) {
+            list->set(i, it->getId());
+        }
+
+        return list;
+    }
+
+    void set(std::size_t index, std::uint32_t id) noexcept;
+
+    [[nodiscard]] bool isEmpty() const noexcept;
+
+    [[nodiscard]] std::size_t size() const noexcept;
+
+    void *getHandler() noexcept;
+
+    ~EventClassList() noexcept;
+
+  private:
+    static std::unique_ptr<EventClassList> create(std::size_t size) noexcept;
+
+    EventClassList() noexcept;
+
+    struct Impl;
+
+    std::unique_ptr<Impl> impl_;
+};
+
+}
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/Handler.hpp b/include/dxfeed_graal_cpp_api/internal/Handler.hpp
index dc99ae84..7bf8871b 100644
--- a/include/dxfeed_graal_cpp_api/internal/Handler.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/Handler.hpp
@@ -41,6 +41,7 @@ template<typename... ArgTypes>
 struct Handler<void(ArgTypes...)> final {
     /// The listener type
     using ListenerType = std::function<void(ArgTypes...)>;
+    static constexpr std::size_t FAKE_ID{static_cast<std::size_t>(-1)};
 
   private:
     static constexpr unsigned MAIN_FUTURES_DEFAULT_SIZE = 1024;
@@ -121,6 +122,10 @@ struct Handler<void(ArgTypes...)> final {
     std::size_t add(ListenerType &&listener) {
         std::lock_guard guard{listenersMutex_};
 
+        if (lastId_ >= FAKE_ID - 1) {
+            return FAKE_ID;
+        }
+
         lastId_++;
         listeners_.emplace(lastId_, std::forward<ListenerType>(listener));
 
@@ -137,6 +142,10 @@ struct Handler<void(ArgTypes...)> final {
     std::size_t addLowPriority(ListenerType &&listener) {
         std::lock_guard guard{listenersMutex_};
 
+        if (lastId_ >= FAKE_ID - 1) {
+            return FAKE_ID;
+        }
+
         lastId_++;
         lowPriorityListeners_.emplace(lastId_, std::forward<ListenerType>(listener));
 
@@ -168,6 +177,10 @@ struct Handler<void(ArgTypes...)> final {
     void remove(std::size_t id) {
         std::lock_guard guard{listenersMutex_};
 
+        if (id == FAKE_ID) {
+            return;
+        }
+
         if (listeners_.count(id) > 0) {
             listeners_.erase(id);
         } else if (lowPriorityListeners_.count(id) > 0) {
diff --git a/include/dxfeed_graal_cpp_api/internal/Id.hpp b/include/dxfeed_graal_cpp_api/internal/Id.hpp
new file mode 100644
index 00000000..a2c7bf04
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/Id.hpp
@@ -0,0 +1,40 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <atomic>
+#include <cstdint>
+
+namespace dxfcpp {
+
+template <typename T> struct Id {
+    using ValueType = std::size_t;
+
+  private:
+    const ValueType value_{};
+
+    explicit Id(ValueType value) : value_{value} {}
+
+  public:
+    static Id<T> getNext() {
+        static std::atomic<ValueType> value{};
+
+        return Id<T>{value++};
+    }
+
+    [[nodiscard]] ValueType getValue() const { return value_; }
+
+    explicit operator ValueType() const { return value_; }
+
+    static Id<T> from(ValueType value) { return Id<T>{value}; }
+
+    template <typename U> bool operator==(const Id<U> &id) const { return getValue() == id.getValue(); }
+
+    template <typename U> auto operator<=>(const Id<U> &id) const { return getValue() <=> id.getValue(); }
+};
+} // namespace dxfcpp
+
+template <typename T> struct std::hash<dxfcpp::Id<T>> {
+    std::size_t operator()(const dxfcpp::Id<T> &id) const noexcept { return id.getValue(); }
+};
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/Isolate.hpp b/include/dxfeed_graal_cpp_api/internal/Isolate.hpp
index 39fbd89b..a888dcd8 100644
--- a/include/dxfeed_graal_cpp_api/internal/Isolate.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/Isolate.hpp
@@ -32,25 +32,24 @@ class Isolate final {
 
         explicit IsolateThread(GraalIsolateThreadHandle handle = nullptr, bool isMain = false) noexcept
             : handle{handle}, isMain{isMain}, tid{std::this_thread::get_id()} {
-            static size_t idx = 0;
+            this->idx = Id<IsolateThread>::getNext().getValue();
 
-            this->idx = idx++;
-
-            if constexpr (isDebugIsolates) {
-                debug("IsolateThread{{{}, isMain = {}, tid = {}, idx = {}}}()", bit_cast<std::size_t>(handle), isMain,
-                      tid, idx);
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace("IsolateThread{" + dxfcpp::toString(bit_cast<void *>(handle)) +
+                                ", isMain = " + dxfcpp::toString(isMain) + ", tid = " + dxfcpp::toString(tid) +
+                                ", idx = " + std::to_string(idx) + "}()");
             }
         }
 
         CEntryPointErrors detach() noexcept {
-            if constexpr (isDebugIsolates) {
-                debug("{}::detach()", toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::detach()");
             }
 
             // OK if nothing is attached.
             if (!handle) {
-                if constexpr (isDebugIsolates) {
-                    debug("\tNot attached");
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() + "::detach(): !handle => Not attached");
                 }
 
                 return CEntryPointErrors::NO_ERROR;
@@ -59,8 +58,8 @@ class Isolate final {
             auto result = CEntryPointErrors::valueOf(graal_detach_thread(handle));
 
             if (result == CEntryPointErrors::NO_ERROR) {
-                if constexpr (isDebugIsolates) {
-                    debug("\tDetached");
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() + "::detach(): result == CEntryPointErrors::NO_ERROR => Detached");
                 }
 
                 handle = nullptr;
@@ -70,13 +69,13 @@ class Isolate final {
         }
 
         CEntryPointErrors detachAllThreadsAndTearDownIsolate() noexcept {
-            if constexpr (isDebugIsolates) {
-                debug("{}::detachAllThreadsAndTearDownIsolate()", toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::detachAllThreadsAndTearDownIsolate()");
             }
 
             if (!handle) {
-                if constexpr (isDebugIsolates) {
-                    debug("\tNot attached");
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() + "::detachAllThreadsAndTearDownIsolate(): !handle => Not attached");
                 }
 
                 return CEntryPointErrors::NO_ERROR;
@@ -85,8 +84,10 @@ class Isolate final {
             auto result = CEntryPointErrors::valueOf(graal_detach_all_threads_and_tear_down_isolate(handle));
 
             if (result == CEntryPointErrors::NO_ERROR) {
-                if constexpr (isDebugIsolates) {
-                    debug("\tAll threads have been detached. The isolate has been teared down.");
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() +
+                                    "::detachAllThreadsAndTearDownIsolate(): CEntryPointErrors::NO_ERROR => All "
+                                    "threads have been detached. The isolate has been teared down.");
                 }
 
                 handle = nullptr;
@@ -96,13 +97,13 @@ class Isolate final {
         }
 
         ~IsolateThread() noexcept {
-            if constexpr (isDebugIsolates) {
-                debug("~{}()", toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::~()");
             }
 
             if (isMain) {
-                if constexpr (isDebugIsolates) {
-                    debug("\tThis is the main thread");
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() + "::~(): isMain => This is the main thread");
                 }
 
                 return;
@@ -112,8 +113,9 @@ class Isolate final {
         }
 
         std::string toString() const {
-            return fmt::format("IsolateThread{{{}, isMain = {}, tid = {}, idx = {}}}", bit_cast<std::size_t>(handle),
-                               isMain, tid, idx);
+            return std::string("IsolateThread{") + dxfcpp::toString(bit_cast<void *>(handle)) +
+                   ", isMain = " + dxfcpp::toString(isMain) + ", tid = " + dxfcpp::toString(tid) +
+                   ", idx = " + std::to_string(idx) + "}";
         }
     };
 
@@ -128,15 +130,15 @@ class Isolate final {
         currentIsolateThread_.handle = mainIsolateThreadHandle;
         currentIsolateThread_.isMain = true;
 
-        if constexpr (isDebugIsolates) {
-            debug("Isolate{{{}, main = {}, current = {}}}()", bit_cast<std::size_t>(handle),
-                  mainIsolateThread_.toString(), currentIsolateThread_.toString());
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("Isolate{" + dxfcpp::toString(bit_cast<void *>(handle)) + ", main = " +
+                            mainIsolateThread_.toString() + ", current = " + currentIsolateThread_.toString() + "}()");
         }
     }
 
     static std::shared_ptr<Isolate> create() noexcept {
-        if constexpr (isDebugIsolates) {
-            debug("Isolate::create()");
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("Isolate::create()");
         }
 
         GraalIsolateHandle graalIsolateHandle{};
@@ -145,31 +147,31 @@ class Isolate final {
         if (CEntryPointErrors::valueOf(graal_create_isolate(nullptr, &graalIsolateHandle, &graalIsolateThreadHandle)) ==
             CEntryPointErrors::NO_ERROR) {
 
-            auto result = std::shared_ptr<Isolate>{new Isolate{graalIsolateHandle, graalIsolateThreadHandle}};
+            auto result = std::shared_ptr<Isolate>{new (std::nothrow) Isolate{graalIsolateHandle, graalIsolateThreadHandle}};
 
-            if constexpr (isDebugIsolates) {
-                debug("Isolate::create() -> *{}", result->toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace("Isolate::create() -> *" + result->toString());
             }
 
             return result;
         }
 
-        if constexpr (isDebugIsolates) {
-            debug("\t-> nullptr");
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("Isolate::create() -> nullptr");
         }
 
         return nullptr;
     }
 
     CEntryPointErrors attach() noexcept {
-        if constexpr (isDebugIsolates) {
-            debug("{}::attach()", toString());
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace(toString() + "::attach()");
         }
 
         // We will not re-attach.
         if (!currentIsolateThread_.handle) {
-            if constexpr (isDebugIsolates) {
-                debug("\tNeeds to be attached.");
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::attach(): !currentIsolateThread_.handle => Needs to be attached.");
             }
 
             GraalIsolateThreadHandle newIsolateThreadHandle{};
@@ -177,8 +179,9 @@ class Isolate final {
             if (auto result = CEntryPointErrors::valueOf(graal_attach_thread(handle_, &newIsolateThreadHandle));
                 result != CEntryPointErrors::NO_ERROR) {
 
-                if constexpr (isDebugIsolates) {
-                    debug("\t-> {}", result.getDescription());
+                if constexpr (Debugger::traceIsolates) {
+                    Debugger::trace(toString() + "::attach(): result != CEntryPointErrors::NO_ERROR [" +
+                                    std::to_string(result.getCode()) + "] " + result.getDescription());
                 }
 
                 return result;
@@ -187,12 +190,12 @@ class Isolate final {
             currentIsolateThread_.handle = newIsolateThreadHandle;
             currentIsolateThread_.isMain = mainIsolateThread_.handle == newIsolateThreadHandle;
 
-            if constexpr (isDebugIsolates) {
-                debug("\tAttached: {}", currentIsolateThread_.toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::attach(): Attached: " + currentIsolateThread_.toString());
             }
         } else {
-            if constexpr (isDebugIsolates) {
-                debug("\tCached: {}", currentIsolateThread_.toString());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::attach(): Cached: " + currentIsolateThread_.toString());
             }
         }
 
@@ -200,8 +203,8 @@ class Isolate final {
     }
 
     GraalIsolateThreadHandle get() noexcept {
-        if constexpr (isDebugIsolates) {
-            debug("{}::get()", toString());
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace(toString() + "::get()");
         }
 
         return graal_get_current_thread(handle_);
@@ -213,14 +216,14 @@ class Isolate final {
     Isolate &operator=(const Isolate &) = delete;
 
     static std::shared_ptr<Isolate> getInstance() noexcept {
-        if constexpr (isDebugIsolates) {
-            debug("Isolate::getInstance()");
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("Isolate::getInstance()");
         }
 
         static std::shared_ptr<Isolate> instance = create();
 
-        if constexpr (isDebugIsolates) {
-            debug("Isolate::getInstance() -> *{}", instance->toString());
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("Isolate::getInstance() -> *" + instance->toString());
         }
 
         return instance;
@@ -228,8 +231,8 @@ class Isolate final {
 
     template <typename F>
     auto runIsolated(F &&f) -> std::variant<CEntryPointErrors, std::invoke_result_t<F &&, GraalIsolateThreadHandle>> {
-        if constexpr (isDebugIsolates) {
-            debug("{}::runIsolated({})", toString(), bit_cast<std::size_t>(&f));
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace(toString() + "::runIsolated(" + typeid(f).name() + ")");
         }
 
         // Perhaps the code is already running within the GraalVM thread (for example, we are in a listener)
@@ -238,8 +241,9 @@ class Isolate final {
         }
 
         if (auto result = attach(); result != CEntryPointErrors::NO_ERROR) {
-            if constexpr (isDebugIsolates) {
-                debug("\t-> {}", result.getDescription());
+            if constexpr (Debugger::traceIsolates) {
+                Debugger::trace(toString() + "::runIsolated(" + typeid(f).name() +
+                                "): result != CEntryPointErrors::NO_ERROR -> " + result.getDescription());
             }
 
             return result;
@@ -249,7 +253,9 @@ class Isolate final {
     }
 
     template <typename F, typename R>
+#if __cpp_concepts
         requires std::convertible_to<R, std::invoke_result_t<F &&, GraalIsolateThreadHandle>>
+#endif
     auto runIsolatedOrElse(F &&f, R defaultValue) {
         return std::visit(
             [defaultValue =
@@ -264,23 +270,25 @@ class Isolate final {
     }
 
     ~Isolate() {
-        if constexpr (isDebugIsolates) {
-            debug("~Isolate()");
+        if constexpr (Debugger::traceIsolates) {
+            Debugger::trace("~Isolate()");
         }
     }
 
     std::string toString() const {
         std::lock_guard lock(mtx_);
 
-        return fmt::format("Isolate{{{}, main = {}, current = {}}}", bit_cast<std::size_t>(handle_),
-                           mainIsolateThread_.toString(), currentIsolateThread_.toString());
+        return std::string("Isolate{") + dxfcpp::toString(bit_cast<void *>(handle_)) +
+               ", main = " + mainIsolateThread_.toString() + ", current = " + currentIsolateThread_.toString() + "}";
     }
 };
 
 template <typename F> auto runIsolated(F &&f) { return Isolate::getInstance()->runIsolated(std::forward<F>(f)); }
 
 template <typename F, typename R>
+#if __cpp_concepts
     requires std::convertible_to<R, std::invoke_result_t<F &&, GraalIsolateThreadHandle>>
+#endif
 auto runIsolatedOrElse(F &&f, R defaultValue) {
     return Isolate::getInstance()->runIsolatedOrElse(std::forward<F>(f), std::move(defaultValue));
 }
diff --git a/include/dxfeed_graal_cpp_api/internal/JavaObjectHandler.hpp b/include/dxfeed_graal_cpp_api/internal/JavaObjectHandler.hpp
new file mode 100644
index 00000000..5099daaa
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/JavaObjectHandler.hpp
@@ -0,0 +1,37 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include "utils/StringUtils.hpp"
+
+#include <memory>
+#include <string>
+
+namespace dxfcpp {
+
+template <typename T> struct JavaObjectHandler {
+    using Type = T;
+    static void deleter(void *handler) noexcept;
+    explicit JavaObjectHandler(void *handler = nullptr) noexcept : impl_{handler, &deleter} {}
+
+    JavaObjectHandler(JavaObjectHandler &&) = default;
+    JavaObjectHandler &operator=(JavaObjectHandler &&) = default;
+    virtual ~JavaObjectHandler() noexcept = default;
+
+    [[nodiscard]] std::string toString() const noexcept {
+        if (impl_)
+            return dxfcpp::toString(impl_.get());
+        else
+            return "nullptr";
+    }
+
+    [[nodiscard]] void *get() const noexcept { return impl_.get(); }
+
+    explicit operator bool() const noexcept { return static_cast<bool>(impl_); }
+
+  private:
+    std::unique_ptr<void, decltype(&deleter)> impl_;
+};
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/NonCopyable.hpp b/include/dxfeed_graal_cpp_api/internal/NonCopyable.hpp
new file mode 100644
index 00000000..e90e9438
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/NonCopyable.hpp
@@ -0,0 +1,18 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+namespace dxfcpp {
+
+template <class T> class NonCopyable {
+  public:
+    NonCopyable(const NonCopyable &) = delete;
+    T &operator=(const T &) = delete;
+
+  protected:
+    NonCopyable() = default;
+    ~NonCopyable() = default;
+};
+
+}
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/RawListWrapper.hpp b/include/dxfeed_graal_cpp_api/internal/RawListWrapper.hpp
new file mode 100644
index 00000000..e2b7228d
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/RawListWrapper.hpp
@@ -0,0 +1,167 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <type_traits>
+#include <typeinfo>
+
+#include "utils/StringUtils.hpp"
+
+namespace dxfcpp {
+
+struct Debugger;
+
+template <typename T>
+concept RawGraalList = requires(T list) {
+    { list.size };
+    { list.elements };
+};
+
+template <RawGraalList List> struct RawGraalListTraits {
+    using SizeType = typename std::decay_t<decltype(List{}.size)>;
+    using ElementType = typename std::decay_t<std::remove_pointer_t<std::remove_pointer_t<decltype(List{}.elements)>>>;
+};
+
+template <RawGraalList List, auto ElementSetter> struct RawListWrapper {
+#if DXFCPP_DEBUG == 1
+    static auto getDebugName() {
+        return std::string("RawListWrapper<") + typeid(List).name() + ", " + typeid(ElementSetter).name() + ">";
+    }
+#endif
+
+    mutable List list_;
+
+    RawListWrapper() noexcept : list_{0, nullptr} {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::()");
+        }
+    }
+
+    void set(std::size_t index, const auto& value) const noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::set(" + std::to_string(index) + ", " + std::to_string(value) + ")");
+        }
+
+        if (list_.size == 0) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::set(" + std::to_string(index) + ", " + std::to_string(value) +
+                                "): list_.size == 0");
+            }
+
+            return;
+        }
+
+        if (index < list_.size) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::set(" + std::to_string(index) + ", " + std::to_string(value) +
+                                "): index < list_.size");
+            }
+
+            ElementSetter(list_, index, value);
+        }
+    }
+
+    [[nodiscard]] bool isEmpty() const noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::isEmpty() -> " + dxfcpp::toString(list_.size == 0));
+        }
+
+        return list_.size == 0;
+    }
+
+    [[nodiscard]] std::size_t size() const noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::size() -> " + std::to_string(static_cast<std::size_t>(list_.size)));
+        }
+
+        return static_cast<std::size_t>(list_.size);
+    }
+
+    void *getHandler() noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::getHandler() -> " + dxfcpp::toString(bit_cast<void *>(&list_)));
+        }
+
+        return bit_cast<void *>(&list_);
+    }
+
+    void init(std::size_t size) noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::init(" + std::to_string(size) + ")");
+        }
+
+        if (size <= 0) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::init(" + std::to_string(size) + "): size <= 0");
+            }
+
+            return;
+        }
+
+        list_.size = static_cast<typename RawGraalListTraits<List>::SizeType>(size);
+        list_.elements = new (std::nothrow) typename RawGraalListTraits<List>::ElementType *[list_.size];
+
+        if (!list_.elements) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::init(" + std::to_string(size) + "): !list_.elements");
+            }
+
+            release();
+
+            return;
+        }
+
+        bool needToRelease = false;
+
+        for (typename RawGraalListTraits<List>::SizeType i = 0; i < list_.size; i++) {
+            list_.elements[i] = new (std::nothrow) typename RawGraalListTraits<List>::ElementType{};
+
+            if (!list_.elements[i]) {
+                needToRelease = true;
+            }
+        }
+
+        if (needToRelease) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::init({}): needToRelease");
+            }
+
+            release();
+        }
+    }
+
+    void release() {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::release()");
+        }
+
+        if (list_.size == 0 || list_.elements == nullptr) {
+            if constexpr (Debugger::traceLists) {
+                Debugger::trace(getDebugName() + "::release(): list_.size == 0 || list_.elements == nullptr");
+            }
+
+            return;
+        }
+
+        for (auto i = list_.size - 1; i >= 0; i--) {
+            delete list_.elements[i];
+        }
+
+        delete[] list_.elements;
+        list_.size = 0;
+        list_.elements = nullptr;
+    }
+
+    ~RawListWrapper() noexcept {
+        if constexpr (Debugger::traceLists) {
+            Debugger::trace(getDebugName() + "::~()");
+        }
+
+        release();
+    }
+};
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/SymbolList.hpp b/include/dxfeed_graal_cpp_api/internal/SymbolList.hpp
new file mode 100644
index 00000000..a957c28e
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/SymbolList.hpp
@@ -0,0 +1,58 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <utility>
+#include "../symbols/SymbolWrapper.hpp"
+
+namespace dxfcpp {
+
+struct SymbolList {
+    template <typename SymbolIt> static std::unique_ptr<SymbolList> create(SymbolIt begin, SymbolIt end) noexcept {
+        auto size = std::distance(begin, end);
+
+        if (size <= 0) {
+            return {};
+        }
+
+        auto list = create(size);
+
+        if (!list || list->isEmpty()) {
+            return {};
+        }
+
+        std::size_t i = 0;
+
+        for (auto it = begin; it != end; it++, i++) {
+            list->set(i, *it);
+        }
+
+        return list;
+    }
+
+    void set(std::size_t index, const SymbolWrapper& symbolWrapper) noexcept;
+
+    [[nodiscard]] bool isEmpty() const noexcept;
+
+    [[nodiscard]] std::size_t size() const noexcept;
+
+    void *getHandler() noexcept;
+
+    ~SymbolList() noexcept;
+
+    std::string toString() const noexcept;
+
+  private:
+    static std::unique_ptr<SymbolList> create(std::size_t size) noexcept;
+
+    SymbolList() noexcept;
+
+    struct Impl;
+
+    std::unique_ptr<Impl> impl_;
+};
+
+}
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/context/ApiContext.hpp b/include/dxfeed_graal_cpp_api/internal/context/ApiContext.hpp
index e59fb921..bd3c4eb9 100644
--- a/include/dxfeed_graal_cpp_api/internal/context/ApiContext.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/context/ApiContext.hpp
@@ -11,24 +11,26 @@
 namespace dxfcpp {
 
 class ApiContext {
-    std::shared_ptr<DXEndpointManager> dxEndpointManager_;
-    std::shared_ptr<DXFeedSubscriptionManager> dxFeedSubscriptionManager_;
+    mutable std::shared_ptr<DXEndpointManager> dxEndpointManager_;
+    mutable std::shared_ptr<DXFeedSubscriptionManager> dxFeedSubscriptionManager_;
     std::atomic<bool> initialized{false};
 
-    ApiContext()
+    ApiContext() noexcept
         : dxEndpointManager_{std::make_shared<DXEndpointManager>()},
           dxFeedSubscriptionManager_{std::make_shared<DXFeedSubscriptionManager>()} {}
 
   public:
-    static std::shared_ptr<ApiContext> getInstance() {
-        static std::shared_ptr<ApiContext> instance = std::shared_ptr<ApiContext>(new ApiContext{});
+    static std::shared_ptr<ApiContext> getInstance() noexcept {
+        static std::shared_ptr<ApiContext> instance = std::shared_ptr<ApiContext>(new (std::nothrow) ApiContext{});
 
         return instance;
     }
 
-    std::shared_ptr<DXEndpointManager> getDxEndpointManager() { return dxEndpointManager_; }
+    std::shared_ptr<DXEndpointManager> getDxEndpointManager() const noexcept { return dxEndpointManager_; }
 
-    std::shared_ptr<DXFeedSubscriptionManager> getDxFeedSubscriptionManager() { return dxFeedSubscriptionManager_; }
+    std::shared_ptr<DXFeedSubscriptionManager> getDxFeedSubscriptionManager() const noexcept {
+        return dxFeedSubscriptionManager_;
+    }
 };
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/managers/EntityManager.hpp b/include/dxfeed_graal_cpp_api/internal/managers/EntityManager.hpp
index dce6e68c..151abacf 100644
--- a/include/dxfeed_graal_cpp_api/internal/managers/EntityManager.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/managers/EntityManager.hpp
@@ -13,15 +13,25 @@
 namespace dxfcpp {
 
 template <typename EntityType> struct EntityManager : private NonCopyable<EntityManager<EntityType>> {
+#if DXFCPP_DEBUG == 1
+    static auto getDebugName() { return std::string("EntityManager<") + typeid(EntityType).name() + ">"; }
+#endif
+
     // TODO: Boost.Bimap
-    std::unordered_map<Id<EntityType>, std::shared_ptr<EntityType>> entitiesById_{};
-    std::unordered_map<std::shared_ptr<EntityType>, Id<EntityType>> idsByEntities_{};
-    std::mutex mutex_{};
+    std::unordered_map<Id<EntityType>, std::shared_ptr<EntityType>> entitiesById_;
+    std::unordered_map<std::shared_ptr<EntityType>, Id<EntityType>> idsByEntities_;
+    std::mutex mutex_;
+
+    EntityManager() : entitiesById_{}, idsByEntities_{}, mutex_{} {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "()");
+        }
+    }
 
   public:
     Id<EntityType> registerEntity(std::shared_ptr<EntityType> entity) {
-        if constexpr (isDebug) {
-            debug("EntityManager::registerEntity({})", entity->toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "::registerEntity(" + entity->toString() + ")");
         }
 
         std::lock_guard lockGuard{mutex_};
@@ -39,8 +49,8 @@ template <typename EntityType> struct EntityManager : private NonCopyable<Entity
     }
 
     bool unregisterEntity(std::shared_ptr<EntityType> entity) {
-        if constexpr (isDebug) {
-            debug("EntityManager::unregisterEntity({})", entity->toString());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "::unregisterEntity(" + entity->toString() + ")");
         }
 
         std::lock_guard lockGuard{mutex_};
@@ -56,8 +66,8 @@ template <typename EntityType> struct EntityManager : private NonCopyable<Entity
     }
 
     bool unregisterEntity(Id<EntityType> id) {
-        if constexpr (isDebug) {
-            debug("EntityManager::unregisterEntity(id = {})", id.getValue());
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "::unregisterEntity(id = " + std::to_string(id.getValue()) + ")");
         }
 
         std::lock_guard lockGuard{mutex_};
@@ -73,6 +83,10 @@ template <typename EntityType> struct EntityManager : private NonCopyable<Entity
     }
 
     std::shared_ptr<EntityType> getEntity(Id<EntityType> id) {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "::getEntity(id = " + std::to_string(id.getValue()) + ")");
+        }
+
         std::lock_guard lockGuard{mutex_};
 
         if (auto it = entitiesById_.find(id); it != entitiesById_.end()) {
@@ -83,6 +97,10 @@ template <typename EntityType> struct EntityManager : private NonCopyable<Entity
     }
 
     std::optional<Id<EntityType>> getId(std::shared_ptr<EntityType> entity) {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug(getDebugName() + "::getId(" + entity->toString() + ")");
+        }
+
         std::lock_guard lockGuard{mutex_};
 
         if (auto it = idsByEntities_.find(entity); it != idsByEntities_.end()) {
diff --git a/include/dxfeed_graal_cpp_api/internal/managers/ErrorHandlingManager.hpp b/include/dxfeed_graal_cpp_api/internal/managers/ErrorHandlingManager.hpp
index b909d40a..3c4a0525 100644
--- a/include/dxfeed_graal_cpp_api/internal/managers/ErrorHandlingManager.hpp
+++ b/include/dxfeed_graal_cpp_api/internal/managers/ErrorHandlingManager.hpp
@@ -39,7 +39,7 @@ struct Error {
 //TODO: implement retrieving, grouping methods
 class ErrorHandlingManager {
     static constexpr std::size_t DEFAULT_ERROR_COLLECTION_CAPACITY{1024ULL};
-    thread_local static inline const Error NO_ERROR{Error::UNKNOWN_ID, 0, "", "NO ERROR"};
+    static inline const Error NO_ERROR{Error::UNKNOWN_ID, 0, "", "NO ERROR"};
 
     std::mutex errorCollectionMutex_{};
     std::unordered_map<std::size_t, Error> errorCollection_{};
diff --git a/include/dxfeed_graal_cpp_api/internal/utils/StringUtils.hpp b/include/dxfeed_graal_cpp_api/internal/utils/StringUtils.hpp
new file mode 100644
index 00000000..f9214fe4
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/utils/StringUtils.hpp
@@ -0,0 +1,77 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <thread>
+
+namespace dxfcpp {
+
+struct String {
+    inline static const std::string EMPTY{};
+};
+
+std::string toString(bool b);
+
+std::string toString(const char *chars);
+
+std::string toString(std::thread::id theadId);
+
+std::string toString(void *ptr);
+
+template <typename T> std::string toStringAny(T &&t) {
+    if constexpr (requires { t.toString(); }) {
+        return t.toString();
+    } else if constexpr (requires { *t.toString(); }) {
+        return *t.toString();
+    } else if constexpr (requires { toString(t); }) {
+        return toString(t);
+    } else if constexpr (requires { std::to_string(t); }) {
+        return std::to_string(t);
+    } else if constexpr (requires { std::string(t); }) {
+        return std::string(t);
+    } else {
+        return "unknown";
+    }
+}
+
+char utf16to8(std::int16_t in);
+
+std::int16_t utf8to16(char in);
+
+std::string formatTimeStamp(std::int64_t timestamp);
+
+std::string formatTimeStampWithMillis(std::int64_t timestamp);
+
+template <typename It>
+#if __cpp_concepts
+    requires requires { std::is_same_v<std::decay_t<decltype(It {} -> getName())>, std::string>; }
+#endif
+std::string namesToString(It begin, It end) {
+    std::string result{"["};
+
+    for (auto it = begin; it != end; it++) {
+        result += String::EMPTY + "'" + it->getName() + "'" + (std::next(it) == end ? "" : ", ");
+    }
+
+    return result + "]";
+}
+
+template <typename It>
+std::string elementsToString(It begin, It end) {
+    std::string result{"["};
+
+    for (auto it = begin; it != end; it++) {
+        result += String::EMPTY + "'" + toStringAny(*it) + "'" + (std::next(it) == end ? "" : ", ");
+    }
+
+    return result + "]";
+}
+
+std::string encodeChar(std::int16_t c);
+
+inline std::string encodeChar(char c) { return encodeChar(static_cast<std::int16_t>(static_cast<unsigned char>(c))); }
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/internal/utils/debug/Debug.hpp b/include/dxfeed_graal_cpp_api/internal/utils/debug/Debug.hpp
new file mode 100644
index 00000000..fc030f3e
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/internal/utils/debug/Debug.hpp
@@ -0,0 +1,69 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#define DXFCPP_DEBUG 0
+// #define DXFCPP_TRACE_LISTS 1
+// #define DXFCPP_TRACE_ISOLATES 1
+
+#ifndef DXFCPP_DEBUG
+#    define DXFCPP_DEBUG 0
+#endif
+
+#ifndef DXFCPP_TRACE_ISOLATES
+#    define DXFCPP_TRACE_ISOLATES 0
+#endif
+#ifndef DXFCPP_TRACE_LISTS
+#    define DXFCPP_TRACE_LISTS 0
+#endif
+
+#if DXFCPP_TRACE_ISOLATES == 1 || DXFCPP_TRACE_LISTS == 1
+#    define DXFCPP_TRACE DXFCPP_DEBUG
+#endif
+
+namespace dxfcpp {
+
+#if DXFCPP_DEBUG == 0
+
+static inline std::string getDebugName() { return {}; }
+
+struct Debugger {
+    static constexpr bool isDebug = false;
+    static constexpr bool traceIsolates = false;
+    static constexpr bool traceLists = false;
+
+    static void debug(...) {}
+    static void trace(...) {}
+};
+
+#else
+
+struct Debugger {
+    static constexpr bool isDebug = true;
+#    if DXFCPP_TRACE_ISOLATES == 1
+    static constexpr bool traceIsolates = true;
+#    else
+    static constexpr bool traceIsolates = false;
+#    endif
+
+#    if DXFCPP_TRACE_LISTS == 1
+    static constexpr bool traceLists = true;
+#    else
+    static constexpr bool traceLists = false;
+#    endif
+    static std::string nowStr();
+    static std::string nowStrWithTimeZone();
+    static std::string debugPrefixStr();
+    static void debug(std::string);
+#    if DXFCPP_TRACE == 1
+    static std::string tracePrefixStr();
+    static void trace(std::string);
+#    else
+    static void trace(...);
+#    endif
+};
+
+#endif
+
+} // namespace dxfcpp
diff --git a/include/dxfeed_graal_cpp_api/symbols/StringSymbol.hpp b/include/dxfeed_graal_cpp_api/symbols/StringSymbol.hpp
new file mode 100644
index 00000000..a03b058d
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/symbols/StringSymbol.hpp
@@ -0,0 +1,115 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <utility>
+#include <variant>
+
+namespace dxfcpp {
+
+/**
+ * A helper wrapper class needed to pass heterogeneous string symbols using a container and convert them to internal Graal representation.
+ *
+ * The current implementation is suboptimal (by memory usage) and will be enhanced.
+ */
+struct StringSymbol final {
+  private:
+    std::string data_;
+
+    struct Impl;
+    std::unique_ptr<Impl> impl_;
+
+  public:
+    StringSymbol(const StringSymbol &stringSymbol) noexcept;
+    StringSymbol(StringSymbol &&) noexcept;
+    StringSymbol &operator=(const StringSymbol &stringSymbol) noexcept;
+    StringSymbol &operator=(StringSymbol &&) noexcept;
+    StringSymbol() noexcept;
+    ~StringSymbol() noexcept;
+
+    /**
+     * Constructs StringSymbol from a char array
+     *
+     * @param chars The array of chars
+     */
+    StringSymbol(const char *chars) noexcept : StringSymbol() {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("StringSymbol(chars = " + toStringAny(chars) + ")");
+        }
+
+        data_ = std::string(chars);
+    }
+
+    /**
+     * Constructs StringSymbol from a std::string_view
+     *
+     * @param stringView The string view
+     */
+    StringSymbol(std::string_view stringView) noexcept : StringSymbol() {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("StringSymbol(stringView = " + toStringAny(stringView) + ")");
+        }
+
+        data_ = std::string(stringView);
+    }
+
+    StringSymbol(std::string string) noexcept : StringSymbol() {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("StringSymbol(string = " + toStringAny(string) + ")");
+        }
+
+        data_ = std::move(string);
+    }
+
+    void *toGraal() const noexcept;
+
+    /**
+     * Returns a string representation of the current object.
+     *
+     * @return a string representation
+     */
+    std::string toString() const noexcept { return "StringSymbol{" + data_ + "}"; }
+
+    const std::string &getData() const;
+
+    bool operator==(const StringSymbol &stringSymbol) const { return getData() == stringSymbol.getData(); }
+
+    bool operator<(const StringSymbol &stringSymbol) const { return getData() < stringSymbol.getData(); }
+};
+
+/**
+ * A concept describing a string that can be wrapped.
+ *
+ * @tparam T Probable string symbol type
+ */
+template <typename T>
+concept ConvertibleToStringSymbol =
+    std::is_convertible_v<std::decay_t<T>, std::string> || std::is_convertible_v<std::decay_t<T>, std::string_view>;
+
+inline namespace literals {
+
+/**
+ * String literal that helps to construct StringSymbol from a char array.
+ *
+ * @param string The char array
+ * @param length Tha char array's length
+ * @return Wrapped string view built on char array
+ */
+inline StringSymbol operator""_s(const char *string, size_t length) noexcept {
+    return {std::string_view{string, length}};
+}
+
+} // namespace literals
+
+std::string graalSymbolToString(void *graalSymbol);
+
+} // namespace dxfcpp
+
+template <> struct std::hash<dxfcpp::StringSymbol> {
+    std::size_t operator()(const dxfcpp::StringSymbol &stringSymbol) const noexcept {
+        return std::hash<std::string>{}(stringSymbol.getData());
+    }
+};
diff --git a/include/dxfeed_graal_cpp_api/symbols/SymbolMapper.hpp b/include/dxfeed_graal_cpp_api/symbols/SymbolMapper.hpp
new file mode 100644
index 00000000..c524f01e
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/symbols/SymbolMapper.hpp
@@ -0,0 +1,18 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <utility>
+#include <variant>
+
+namespace dxfcpp {
+
+struct SymbolMapper {
+    template <typename SymbolIt>
+    static void* toNativeList(SymbolIt begin, SymbolIt end) noexcept;
+};
+
+}
\ No newline at end of file
diff --git a/include/dxfeed_graal_cpp_api/symbols/SymbolWrapper.hpp b/include/dxfeed_graal_cpp_api/symbols/SymbolWrapper.hpp
new file mode 100644
index 00000000..3210d06f
--- /dev/null
+++ b/include/dxfeed_graal_cpp_api/symbols/SymbolWrapper.hpp
@@ -0,0 +1,165 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <optional>
+#include <utility>
+#include <variant>
+
+#include "../api/osub/WildcardSymbol.hpp"
+#include "StringSymbol.hpp"
+
+namespace dxfcpp {
+
+/**
+ * A helper wrapper class needed to pass heterogeneous symbols using a container and convert them to internal Graal representation.
+ */
+struct SymbolWrapper final {
+    using DataType = typename std::variant<WildcardSymbol, StringSymbol>;
+
+  private:
+    DataType data_;
+
+  public:
+    SymbolWrapper(const SymbolWrapper &) noexcept = default;
+    SymbolWrapper(SymbolWrapper &&) noexcept = delete;
+    SymbolWrapper &operator=(const SymbolWrapper &) noexcept = default;
+    SymbolWrapper &operator=(SymbolWrapper &&) noexcept = delete;
+    SymbolWrapper() noexcept = default;
+    ~SymbolWrapper() noexcept = default;
+
+    /**
+     * Constructor for any wrapped symbol.
+     * Must be implicit to wrap symbols passed to collection or container
+     *
+     * @tparam Symbol The symbol type
+     * @param symbol The symbol
+     */
+    template <ConvertibleToStringSymbol Symbol>
+    SymbolWrapper(Symbol &&symbol) noexcept : SymbolWrapper(StringSymbol(std::forward<Symbol>(symbol))) {
+        if constexpr (Debugger::isDebug) {
+            // Could be "perfectly" moved, so it won't show up in the logs
+            Debugger::debug("SymbolWrapper(symbol = " + toStringAny(symbol) + ")");
+        }
+    }
+
+    /**
+     * Constructor for any wrapped string symbol.
+     * Must be implicit to wrap symbols passed to collection or container
+     *
+     * @param stringSymbol The wrapped string (std::string, std::string_view, const char*) symbol
+     */
+    SymbolWrapper(const StringSymbol &stringSymbol) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("SymbolWrapper(stringSymbol = " + toStringAny(stringSymbol) + ")");
+        }
+
+        data_ = stringSymbol;
+    }
+
+    /**
+     * Constructor for any wrapped wildcard (*) symbol.
+     *
+     * @param wildcardSymbol The wrapped wildcard symbl
+     */
+    SymbolWrapper(const WildcardSymbol &wildcardSymbol) noexcept {
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("SymbolWrapper(wildcardSymbol = " + toStringAny(wildcardSymbol) + ")");
+        }
+
+        data_ = wildcardSymbol;
+    }
+
+    void *toGraal() const noexcept {
+        return std::visit([](const auto &symbol) { return symbol.toGraal(); }, data_);
+    }
+
+    /**
+     * Returns a string representation of the current object.
+     *
+     * @return a string representation
+     */
+    std::string toString() const noexcept {
+        return "SymbolWrapper{" + std::visit([](const auto &symbol) { return toStringAny(symbol); }, data_) + "}";
+    }
+
+    /**
+     * @return `true` if current SymbolWrapper holds a WildcardSymbol
+     */
+    bool isWildcardSymbol() const noexcept { return std::holds_alternative<WildcardSymbol>(data_); }
+
+    /**
+     * @return WildcardSymbol (optional) or nullopt if current SymbolWrapper doesn't hold WildcardSymbol
+     */
+    std::optional<WildcardSymbol> asWildcardSymbol() const noexcept {
+        return isWildcardSymbol() ? std::make_optional(WildcardSymbol::ALL) : std::nullopt;
+    }
+
+    /**
+     * @return `true` if current SymbolWrapper holds a StringSymbol
+     */
+    bool isStringSymbol() const noexcept { return std::holds_alternative<StringSymbol>(data_); }
+
+    /**
+     * @return String representation of StringSymbol or an empty string
+     */
+    std::string asStringSymbol() const noexcept {
+        return isStringSymbol() ? std::get<StringSymbol>(data_).getData() : String::EMPTY;
+    }
+
+    const DataType &getData() const noexcept { return data_; }
+
+    bool operator==(const SymbolWrapper &symbolWrapper) const { return getData() == symbolWrapper.getData(); }
+
+    auto operator<(const SymbolWrapper &symbolWrapper) const { return getData() < symbolWrapper.getData(); }
+};
+
+/**
+ * A concept describing a symbol that can be wrapped.
+ *
+ * @tparam T Probable symbol type
+ */
+template <typename T>
+concept ConvertibleToSymbolWrapper =
+    ConvertibleToStringSymbol<std::decay_t<T>> || std::is_same_v<std::decay_t<T>, WildcardSymbol>;
+
+/**
+ * A concept that defines a collection of wrapped or wrapping symbols.
+ *
+ * @tparam Collection The collection type
+ */
+template <typename Collection>
+concept ConvertibleToSymbolWrapperCollection = requires(Collection c) {
+    std::begin(c);
+    std::end(c);
+} && requires(Collection c) {
+    { *std::begin(c) } -> std::convertible_to<SymbolWrapper>;
+} || requires(Collection c) {
+    { *std::begin(c) } -> ConvertibleToSymbolWrapper;
+};
+
+inline namespace literals {
+
+/**
+ * String literal that helps to construct SymbolWrapper from a char array.
+ *
+ * @param string The char array
+ * @param length Tha char array's length
+ * @return Wrapped string view built on char array
+ */
+inline SymbolWrapper operator""_sw(const char *string, size_t length) noexcept {
+    return {std::string_view{string, length}};
+}
+
+} // namespace literals
+
+} // namespace dxfcpp
+
+template <> struct std::hash<dxfcpp::SymbolWrapper> {
+    std::size_t operator()(const dxfcpp::SymbolWrapper &symbolWrapper) const noexcept {
+        return std::hash<dxfcpp::SymbolWrapper::DataType>{}(symbolWrapper.getData());
+    }
+};
\ No newline at end of file
diff --git a/samples/cpp/PrintQuoteEvents/CMakeLists.txt b/samples/cpp/PrintQuoteEvents/CMakeLists.txt
index 6123ad2e..eb46006d 100644
--- a/samples/cpp/PrintQuoteEvents/CMakeLists.txt
+++ b/samples/cpp/PrintQuoteEvents/CMakeLists.txt
@@ -12,7 +12,7 @@ cmake_policy(SET CMP0135 NEW)
 
 add_executable(PrintQuoteEvents src/main.cpp)
 target_include_directories(PrintQuoteEvents PUBLIC ../../../include)
-target_link_libraries(PrintQuoteEvents PUBLIC DxFeedGraalNativeApi dxFeedGraalCxxApi)
+target_link_libraries(PrintQuoteEvents PUBLIC DxFeedGraalNativeSdk dxFeedGraalCxxApi dxFeedGraalCxxApi_Clang)
 
 add_custom_command(TARGET PrintQuoteEvents POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different
-        $<TARGET_FILE:DxFeedGraalNativeApi> $<TARGET_FILE_DIR:PrintQuoteEvents>)
\ No newline at end of file
+        $<TARGET_FILE:DxFeedGraalNativeSdk> $<TARGET_FILE_DIR:PrintQuoteEvents>)
\ No newline at end of file
diff --git a/samples/cpp/PrintQuoteEvents/src/main.cpp b/samples/cpp/PrintQuoteEvents/src/main.cpp
index 1d90797f..8f3d6759 100644
--- a/samples/cpp/PrintQuoteEvents/src/main.cpp
+++ b/samples/cpp/PrintQuoteEvents/src/main.cpp
@@ -4,47 +4,108 @@
 #include <dxfeed_graal_c_api/api.h>
 #include <dxfeed_graal_cpp_api/api.hpp>
 
-auto cApiStateToString(dxfc_dxendpoint_state_t state) {
-    switch (state) {
-    case DXFC_DXENDPOINT_STATE_NOT_CONNECTED:
-        return "NOT_CONNECTED";
-    case DXFC_DXENDPOINT_STATE_CONNECTING:
-        return "CONNECTING";
-    case DXFC_DXENDPOINT_STATE_CONNECTED:
-        return "CONNECTED";
-    case DXFC_DXENDPOINT_STATE_CLOSED:
-        return "CLOSED";
-    }
-
-    return "";
-}
-
 int main() {
     {
         using namespace std::string_literals;
+        using namespace std::string_view_literals;
+        using namespace dxfcpp::literals;
+
+        std::vector<dxfcpp::EventTypeEnum> vi{};
+
+        auto eventTypes = {dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type};
+
+        dxfcpp::DXFeedSubscription::create(eventTypes.begin(), eventTypes.end());
+        auto sub2 = dxfcpp::DXFeedSubscription::create(std::unordered_set{dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
 
-        auto builder = dxfcpp::DXEndpoint::newBuilder()->withRole(dxfcpp::DXEndpoint::Role::FEED);
+        std::vector<dxfcpp::SymbolWrapper> symbols{{"123", "123123"sv, "123213123"s, "*"_wcs, "ZZZ"_s}};
+
+        for (const auto &s : symbols) {
+
+            std::cerr << dxfcpp::graalSymbolToString(s.toGraal()) + "\n";
+        }
+
+        auto builder = dxfcpp::DXEndpoint::newBuilder()
+                           ->withRole(dxfcpp::DXEndpoint::Role::FEED)
+                           ->withProperty(dxfcpp::DXEndpoint::DXFEED_WILDCARD_ENABLE_PROPERTY, "true");
         auto endpoint = builder->build();
 
-        endpoint->onStateChange() += [](dxfcpp::DXEndpoint::State oldState, dxfcpp::DXEndpoint::State newState) {
-            dxfcpp::debug("{}", std::string("State changed: ") + dxfcpp::DXEndpoint::stateToString(oldState) + " -> " +
-                                    dxfcpp::DXEndpoint::stateToString(newState));
-        };
+        auto sub = endpoint->getFeed()->createSubscription({dxfcpp::Quote::Type, dxfcpp::TimeAndSale::Type});
 
-        auto sub =
-            endpoint->getFeed()->createSubscription({dxfcpp::EventTypeEnum::QUOTE});
+        //        sub->addEventListener([](auto &&events) {
+        //            for (const auto &e : events) {
+        //                std::cout << e << std::endl;
+        //            }
+        //        });
 
         sub->addEventListener([](auto &&events) {
             for (const auto &e : events) {
-                std::cout << e << std::endl;
+                if (auto quote = e->template sharedAs<dxfcpp::Quote>(); quote) {
+                    std::cout << "Q   : " + quote->toString() << std::endl;
+                } else if (auto tns = e->template sharedAs<dxfcpp::TimeAndSale>(); tns) {
+                    std::cout << "TnS : " + tns->toString() << std::endl;
+                }
             }
         });
 
-        sub->addSymbol("AAPL"s);
-        sub->addSymbol("IBM"s);
-        sub->addSymbol("TSLA"s);
+        auto id2 = sub->addEventListener(
+            std::function([](const std::vector<std::shared_ptr<dxfcpp::TimeAndSale>> &timeAndSales) -> void {
+                for (const auto &tns : timeAndSales) {
+                    std::cout << "TnS2: " + tns->toString() << std::endl;
+                }
+            }));
+
+        sub->addEventListener(std::function([](const std::vector<std::shared_ptr<dxfcpp::Trade>> &trades) -> void {
+            for (const auto &trade : trades) {
+                std::cout << "Trade: " + trade->toString() << std::endl;
+            }
+        }));
+
+        sub->addEventListener<dxfcpp::TimeAndSale>([](const auto &timeAndSales) -> void {
+            for (const auto &tns : timeAndSales) {
+                std::cout << "TnS3: " + tns->toString() << std::endl;
+            }
+        });
+
+        sub->addSymbols({"AAPL&Q", "IBM"sv, "XBT/USD:GDAX"s, "BTC/EUR:CXBITF"_s, "*"_wcs});
+        sub->addSymbols("META");
+        sub->addSymbols("ADDYY"sv);
+        sub->addSymbols("MSFT"s);
+        sub->addSymbols(dxfcpp::WildcardSymbol::ALL);
+        sub->addSymbols("TCELL:TR"_s);
+        sub->addSymbols("*"_wcs);
+        sub->addSymbols("PFE"_sw);
+        sub->addSymbols(std::vector{"CSCO"s});
+        sub->addSymbols(std::vector{"$TOP10L/Q", "$SP500#45", "$TICK", "SPX"});
+
+        auto v = std::vector{"$TOP10G/Q", "30Y:SME"};
+        auto v2 = std::vector<dxfcpp::SymbolWrapper>{"$DECN"s, "./E1AN23P3580:XCME"sv, "/ESZ23:XCME", "/ESH25:XCME"_s};
+
+        sub->addSymbols(v);
+        sub->addSymbols(v2);
+        sub->addSymbols(v2.begin(), v2.end());
+
+        // D 230530 103822.766 [8212] DXFeedSubscription{000002672C607310}::addSymbols(symbols =
+        // ['SymbolWrapper{StringSymbol{333}}', 'SymbolWrapper{StringSymbol{222}}', 'SymbolWrapper{StringSymbol{111}}'])
+        auto us = std::unordered_set<dxfcpp::SymbolWrapper>{"111"s, "222"sv, "333", "111"_s};
+
+        sub->addSymbols(us);
+
+        // D 230530 103822.766 [8212] DXFeedSubscription{000002672C607310}::addSymbols(symbols =
+        // ['SymbolWrapper{WildcardSymbol{*}}', 'SymbolWrapper{StringSymbol{*}}'])
+        sub->addSymbols(std::unordered_set<dxfcpp::SymbolWrapper>{"*", "*"_wcs});
+
+        //        endpoint->connect("demo.dxfeed.com:7300");
+        endpoint->connect("mddqa.in.devexperts.com:7400");
+
+        std::this_thread::sleep_for(std::chrono::seconds(5));
+
+        sub->removeSymbols("TSLA");
+
+        sub->removeSymbols(symbols);
+
+        sub->onEvent() -= id2;
 
-        endpoint->connect("demo.dxfeed.com:7300");
+        std::cerr << " ----------------------- \n";
 
         std::this_thread::sleep_for(std::chrono::seconds(5));
 
diff --git a/src/api/DXEndpoint.cpp b/src/api/DXEndpoint.cpp
index 5c634165..a5551ca5 100644
--- a/src/api/DXEndpoint.cpp
+++ b/src/api/DXEndpoint.cpp
@@ -10,6 +10,11 @@
 #include <string>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const std::string DXEndpoint::NAME_PROPERTY = "name";
@@ -66,20 +71,20 @@ static DXEndpoint::State graalStateToState(dxfg_endpoint_state_t state) {
 
 std::shared_ptr<DXEndpoint> DXEndpoint::create(void *endpointHandle, DXEndpoint::Role role,
                                                const std::unordered_map<std::string, std::string> &properties) {
-    if constexpr (isDebug) {
-        debug("DXEndpoint::create{{handle = {}, role = {}, properties[{}]}}()", endpointHandle, roleToString(role),
-              properties.size());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::create(handle = " + dxfcpp::toString(endpointHandle) +
+                        ", role = " + roleToString(role) + ", properties[" + std::to_string(properties.size()) + "])");
     }
 
     std::shared_ptr<DXEndpoint> endpoint{new (std::nothrow) DXEndpoint{}};
 
     if (!endpoint) {
-        //TODO: dummy endpoint & error handling;
+        // TODO: dummy endpoint & error handling;
 
         return endpoint;
     }
 
-    endpoint->handler_ = handler_utils::JavaObjectHandler<DXEndpoint>(endpointHandle);
+    endpoint->handler_ = JavaObjectHandler<DXEndpoint>(endpointHandle);
     endpoint->role_ = role;
     endpoint->name_ = properties.contains(NAME_PROPERTY) ? properties.at(NAME_PROPERTY) : std::string{};
 
@@ -90,7 +95,10 @@ std::shared_ptr<DXEndpoint> DXEndpoint::create(void *endpointHandle, DXEndpoint:
         auto id = Id<DXEndpoint>::from(bit_cast<Id<DXEndpoint>::ValueType>(userData));
         auto endpoint = ApiContext::getInstance()->getDxEndpointManager()->getEntity(id);
 
-        std::cerr << "onStateChange: id = " + std::to_string(id.getValue()) + ", endpoint = " + ((endpoint) ? endpoint->toString() : "nullptr") + "\n";
+        if constexpr (Debugger::isDebug) {
+            Debugger::debug("onStateChange: id = " + std::to_string(id.getValue()) +
+                            ", endpoint = " + ((endpoint) ? endpoint->toString() : "nullptr"));
+        }
 
         if (endpoint) {
             endpoint->onStateChange_(graalStateToState(oldState), graalStateToState(newState));
@@ -101,12 +109,11 @@ std::shared_ptr<DXEndpoint> DXEndpoint::create(void *endpointHandle, DXEndpoint:
         }
     };
 
-    endpoint->stateChangeListenerHandler_ =
-        handler_utils::JavaObjectHandler<DXEndpointStateChangeListener>(runIsolatedOrElse(
-            [idValue = id.getValue(), onPropertyChange](auto threadHandle) {
-                return dxfg_PropertyChangeListener_new(threadHandle, onPropertyChange, bit_cast<void *>(idValue));
-            },
-            nullptr));
+    endpoint->stateChangeListenerHandler_ = JavaObjectHandler<DXEndpointStateChangeListener>(runIsolatedOrElse(
+        [idValue = id.getValue(), onPropertyChange](auto threadHandle) {
+            return dxfg_PropertyChangeListener_new(threadHandle, onPropertyChange, bit_cast<void *>(idValue));
+        },
+        nullptr));
     endpoint->setStateChangeListenerImpl();
 
     return endpoint;
@@ -118,10 +125,7 @@ void DXEndpoint::setStateChangeListenerImpl() {
             [handler = bit_cast<dxfg_endpoint_t *>(handler_.get()),
              stateChangeListenerHandler = bit_cast<dxfg_endpoint_state_change_listener_t *>(
                  stateChangeListenerHandler_.get())](auto threadHandle) {
-                // TODO: finalize function
-
-                return dxfg_DXEndpoint_addStateChangeListener(
-                           threadHandle, handler, stateChangeListenerHandler, [](auto, auto) {}, nullptr) == 0;
+                return dxfg_DXEndpoint_addStateChangeListener(threadHandle, handler, stateChangeListenerHandler) == 0;
             },
             false);
     }
@@ -150,8 +154,8 @@ void DXEndpoint::closeImpl() {
 
 std::shared_ptr<DXEndpoint> DXEndpoint::user(const std::string &user) {
     // TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::user(user = {})", handler_.toString(), user);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::user(user = " + user + ")");
     }
 
     if (handler_) {
@@ -162,13 +166,13 @@ std::shared_ptr<DXEndpoint> DXEndpoint::user(const std::string &user) {
             false);
     }
 
-    return shared_from_this();
+    return sharedAs<DXEndpoint>();
 }
 
 std::shared_ptr<DXEndpoint> DXEndpoint::password(const std::string &password) {
     // TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::password(password = {})", handler_.toString(), password);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::password(password = " + password + ")");
     }
 
     if (handler_) {
@@ -179,13 +183,13 @@ std::shared_ptr<DXEndpoint> DXEndpoint::password(const std::string &password) {
             false);
     }
 
-    return shared_from_this();
+    return sharedAs<DXEndpoint>();
 }
 
 std::shared_ptr<DXEndpoint> DXEndpoint::connect(const std::string &address) {
     // TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::connect(address = {})", handler_.toString(), address);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::connect(address = " + address + ")");
     }
 
     if (handler_) {
@@ -196,12 +200,12 @@ std::shared_ptr<DXEndpoint> DXEndpoint::connect(const std::string &address) {
             false);
     }
 
-    return shared_from_this();
+    return sharedAs<DXEndpoint>();
 }
 
 void DXEndpoint::reconnect() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::reconnect()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::reconnect()");
     }
 
     if (!handler_) {
@@ -214,8 +218,8 @@ void DXEndpoint::reconnect() {
 }
 
 void DXEndpoint::disconnect() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::disconnect()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::disconnect()");
     }
 
     if (!handler_) {
@@ -228,8 +232,8 @@ void DXEndpoint::disconnect() {
 }
 
 void DXEndpoint::disconnectAndClear() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::disconnectAndClear()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::disconnectAndClear()");
     }
 
     if (!handler_) {
@@ -242,8 +246,8 @@ void DXEndpoint::disconnectAndClear() {
 }
 
 void DXEndpoint::awaitNotConnected() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::awaitNotConnected()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::awaitNotConnected()");
     }
 
     if (!handler_) {
@@ -256,8 +260,8 @@ void DXEndpoint::awaitNotConnected() {
 }
 
 void DXEndpoint::awaitProcessed() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::awaitProcessed()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::awaitProcessed()");
     }
 
     if (!handler_) {
@@ -270,8 +274,8 @@ void DXEndpoint::awaitProcessed() {
 }
 
 void DXEndpoint::closeAndAwaitTermination() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::closeAndAwaitTermination()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::closeAndAwaitTermination()");
     }
 
     if (!handler_) {
@@ -288,8 +292,8 @@ void DXEndpoint::closeAndAwaitTermination() {
 }
 
 std::shared_ptr<DXFeed> DXEndpoint::getFeed() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint{{{}}}::getFeed()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint{" + handler_.toString() + "}::getFeed()");
     }
 
     if (!feed_) {
@@ -307,14 +311,14 @@ std::shared_ptr<DXFeed> DXEndpoint::getFeed() {
 }
 
 std::shared_ptr<DXEndpoint::Builder> DXEndpoint::Builder::create() noexcept {
-    if constexpr (isDebug) {
-        debug("DXEndpoint::Builder::create()");
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::Builder::create()");
     }
 
     auto builder = std::shared_ptr<Builder>(new (std::nothrow) Builder{});
 
     if (builder) {
-        builder->handler_ = handler_utils::JavaObjectHandler<DXEndpoint::Builder>(
+        builder->handler_ = JavaObjectHandler<DXEndpoint::Builder>(
             runIsolatedOrElse([](auto threadHandle) { return dxfg_DXEndpoint_newBuilder(threadHandle); }, nullptr));
     }
 
@@ -368,8 +372,9 @@ void DXEndpoint::Builder::loadDefaultPropertiesImpl() {
 }
 
 std::shared_ptr<DXEndpoint::Builder> DXEndpoint::Builder::withRole(DXEndpoint::Role role) {
-    if constexpr (isDebug) {
-        debug("DXEndpoint::Builder{{{}}}::withRole(role = {})", handler_.toString(), roleToString(role));
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::withRole(role = " + roleToString(role) +
+                        ")");
     }
 
     role_ = role;
@@ -388,8 +393,9 @@ std::shared_ptr<DXEndpoint::Builder> DXEndpoint::Builder::withRole(DXEndpoint::R
 std::shared_ptr<DXEndpoint::Builder> DXEndpoint::Builder::withProperty(const std::string &key,
                                                                        const std::string &value) {
     // TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("DXEndpoint::Builder{{{}}}::withProperty(key = {}, value = {})", handler_.toString(), key, value);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::withProperty(key = " + key +
+                        ", value = " + value + ")");
     }
 
     properties_[key] = value;
@@ -408,8 +414,8 @@ std::shared_ptr<DXEndpoint::Builder> DXEndpoint::Builder::withProperty(const std
 
 bool DXEndpoint::Builder::supportsProperty(const std::string &key) {
     // TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("DXEndpoint::Builder{{{}}}::supportsProperty(key = {})", handler_.toString(), key);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::supportsProperty(key = " + key + ")");
     }
 
     if (!handler_) {
@@ -424,8 +430,8 @@ bool DXEndpoint::Builder::supportsProperty(const std::string &key) {
 }
 
 std::shared_ptr<DXEndpoint> DXEndpoint::Builder::build() {
-    if constexpr (isDebug) {
-        debug("DXEndpoint::Builder{{{}}}::build()", handler_.toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXEndpoint::Builder{" + handler_.toString() + "}::build()");
     }
 
     loadDefaultPropertiesImpl();
@@ -440,6 +446,8 @@ std::shared_ptr<DXEndpoint> DXEndpoint::Builder::build() {
     return DXEndpoint::create(endpointHandle, role_, properties_);
 }
 
+std::string DXEndpoint::toString() const noexcept { return fmt::format("DXEndpoint{{{}}}", handler_.toString()); }
+
 struct BuilderHandle {};
 
 struct BuilderRegistry {
diff --git a/src/api/DXFeed.cpp b/src/api/DXFeed.cpp
index 067dd7c8..38d15839 100644
--- a/src/api/DXFeed.cpp
+++ b/src/api/DXFeed.cpp
@@ -6,22 +6,27 @@
 #include <dxfeed_graal_cpp_api/api.hpp>
 
 #include <memory>
-#include <utility>
 #include <string>
+#include <utility>
+
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
 
 namespace dxfcpp {
 
 std::shared_ptr<DXFeed> DXFeed::getInstance() noexcept {
-    if constexpr (isDebug) {
-        debug("DXFeed::getInstance()");
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXFeed::getInstance()");
     }
 
     return DXEndpoint::getInstance()->getFeed();
 }
 
 void DXFeed::attachSubscription(std::shared_ptr<DXFeedSubscription> subscription) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::attachSubscription({})", toString(), subscription->toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::attachSubscription(" + subscription->toString() + ")");
     }
 
     if (!handler_ || !subscription || !subscription->handler_) {
@@ -40,8 +45,8 @@ void DXFeed::attachSubscription(std::shared_ptr<DXFeedSubscription> subscription
 }
 
 void DXFeed::detachSubscription(std::shared_ptr<DXFeedSubscription> subscription) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::detachSubscription({})", toString(), subscription->toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::detachSubscription(" + subscription->toString() + ")");
     }
 
     if (!handler_ || !subscription || !subscription->handler_) {
@@ -60,8 +65,8 @@ void DXFeed::detachSubscription(std::shared_ptr<DXFeedSubscription> subscription
 }
 
 void DXFeed::detachSubscriptionAndClear(std::shared_ptr<DXFeedSubscription> subscription) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::detachSubscriptionAndClear({})", toString(), subscription->toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::detachSubscriptionAndClear(" + subscription->toString() + ")");
     }
 
     if (!handler_ || !subscription || !subscription->handler_) {
@@ -80,8 +85,8 @@ void DXFeed::detachSubscriptionAndClear(std::shared_ptr<DXFeedSubscription> subs
 }
 
 std::shared_ptr<DXFeedSubscription> DXFeed::createSubscription(const EventTypeEnum &eventType) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::createSubscription(eventType = {})", toString(), eventType.getName());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::createSubscription(eventType = " + eventType.getName() + ")");
     }
 
     auto sub = DXFeedSubscription::create(eventType);
@@ -93,9 +98,9 @@ std::shared_ptr<DXFeedSubscription> DXFeed::createSubscription(const EventTypeEn
 
 std::shared_ptr<DXFeedSubscription>
 DXFeed::createSubscription(std::initializer_list<EventTypeEnum> eventTypes) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::createSubscription(eventTypes = {})", toString(),
-              namesToString(eventTypes.begin(), eventTypes.end()));
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::createSubscription(eventTypes = " +
+                        namesToString(eventTypes.begin(), eventTypes.end()) + ")");
     }
 
     auto sub = DXFeedSubscription::create(eventTypes);
@@ -106,15 +111,21 @@ DXFeed::createSubscription(std::initializer_list<EventTypeEnum> eventTypes) noex
 }
 
 std::shared_ptr<DXFeed> DXFeed::create(void *feedHandle) noexcept {
-    if constexpr (isDebug) {
-        debug("DXFeed::create({})", feedHandle);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXFeed::create(" + dxfcpp::toString(feedHandle) + ")");
     }
 
     std::shared_ptr<DXFeed> feed{new (std::nothrow) DXFeed{}};
 
-    feed->handler_ = handler_utils::JavaObjectHandler<DXFeed>(feedHandle);
+    //TODO: error handling
+
+    if (feed) {
+        feed->handler_ = JavaObjectHandler<DXFeed>(feedHandle);
+    }
 
     return feed;
 }
 
-}
\ No newline at end of file
+std::string DXFeed::toString() const noexcept { return fmt::format("DXFeed{{{}}}", handler_.toString()); }
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/api/DXFeedSubscription.cpp b/src/api/DXFeedSubscription.cpp
index 6c14e272..eb4a1bca 100644
--- a/src/api/DXFeedSubscription.cpp
+++ b/src/api/DXFeedSubscription.cpp
@@ -6,36 +6,50 @@
 #include <dxfeed_graal_cpp_api/api.hpp>
 
 #include <memory>
+#include <typeinfo>
+
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
 
 namespace dxfcpp {
 
 void DXFeedSubscription::attach(std::shared_ptr<DXFeed> feed) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::attach(feed = {})", toString(), feed->toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::attach(feed = " + feed->toString() + ")");
     }
 
-    feed->attachSubscription(shared_from_this());
+    feed->attachSubscription(sharedAs<DXFeedSubscription>());
 }
 
 void DXFeedSubscription::detach(std::shared_ptr<DXFeed> feed) noexcept {
-    if constexpr (isDebug) {
-        debug("{}::detach(feed = {})", toString(), feed->toString());
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug(toString() + "::detach(feed = " + feed->toString() + ")");
     }
 
-    feed->detachSubscription(shared_from_this());
+    feed->detachSubscription(sharedAs<DXFeedSubscription>());
 }
 
-template <> void DXFeedSubscription::addSymbol(std::string &&symbol) noexcept {
+void DXFeedSubscription::addSymbolImpl(void *graalSymbol) const noexcept {
     runIsolatedOrElse(
-        [handler = bit_cast<dxfg_subscription_t *>(handler_.get()), symbol](auto threadHandle) {
-            dxfg_string_symbol_t s{{STRING}, symbol.c_str()};
+        [handler = bit_cast<dxfg_subscription_t *>(handler_.get()), graalSymbol](auto threadHandle) {
+            return dxfg_DXFeedSubscription_addSymbol(threadHandle, handler, bit_cast<dxfg_symbol_t *>(graalSymbol)) ==
+                   0;
+        },
+        false);
+}
 
-            return dxfg_DXFeedSubscription_addSymbol(threadHandle, handler, (dxfg_symbol_t *)&s) == 0;
+void DXFeedSubscription::removeSymbolImpl(void *graalSymbol) const noexcept {
+    runIsolatedOrElse(
+        [handler = bit_cast<dxfg_subscription_t *>(handler_.get()), graalSymbol](auto threadHandle) {
+            return dxfg_DXFeedSubscription_removeSymbol(threadHandle, handler,
+                                                        bit_cast<dxfg_symbol_t *>(graalSymbol)) == 0;
         },
         false);
 }
 
-void DXFeedSubscription::closeImpl() noexcept {
+void DXFeedSubscription::closeImpl() const noexcept {
     if (!handler_) {
         return;
     }
@@ -45,7 +59,7 @@ void DXFeedSubscription::closeImpl() noexcept {
                       false);
 }
 
-void DXFeedSubscription::clearImpl() noexcept {
+void DXFeedSubscription::clearImpl() const noexcept {
     if (!handler_) {
         return;
     }
@@ -55,7 +69,7 @@ void DXFeedSubscription::clearImpl() noexcept {
                       false);
 }
 
-bool DXFeedSubscription::isClosedImpl() noexcept {
+bool DXFeedSubscription::isClosedImpl() const noexcept {
     if (!handler_) {
         return false;
     }
@@ -68,21 +82,21 @@ bool DXFeedSubscription::isClosedImpl() noexcept {
 }
 
 DXFeedSubscription::DXFeedSubscription(const EventTypeEnum &eventType) noexcept
-    : mtx_{}, handler_{}, eventListenerHandler_{}, onEvent_{} {
-    if constexpr (isDebug) {
-        debug("DXFeedSubscription(eventType = {})", eventType.getName());
+    : mtx_{}, eventTypes_{eventType}, handler_{}, eventListenerHandler_{}, onEvent_{} {
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("DXFeedSubscription(eventType = " + eventType.getName() + ")");
     }
 
-    handler_ = handler_utils::JavaObjectHandler<DXFeedSubscription>(runIsolatedOrElse(
+    handler_ = JavaObjectHandler<DXFeedSubscription>(runIsolatedOrElse(
         [eventType](auto threadHandle) {
             return dxfg_DXFeedSubscription_new(threadHandle, static_cast<dxfg_event_clazz_t>(eventType.getId()));
         },
         nullptr));
 }
 
-handler_utils::JavaObjectHandler<DXFeedSubscription> DXFeedSubscription::createSubscriptionHandlerFromEventClassList(
-    const std::unique_ptr<handler_utils::EventClassList> &list) noexcept {
-    return handler_utils::JavaObjectHandler<DXFeedSubscription>(
+JavaObjectHandler<DXFeedSubscription>
+DXFeedSubscription::createSubscriptionHandlerFromEventClassList(const std::unique_ptr<EventClassList> &list) noexcept {
+    return JavaObjectHandler<DXFeedSubscription>(
         runIsolatedOrElse([listHandler = bit_cast<dxfg_event_clazz_list_t *>(list->getHandler())](
                               auto threadHandle) { return dxfg_DXFeedSubscription_new2(threadHandle, listHandler); },
                           nullptr));
@@ -100,7 +114,7 @@ void DXFeedSubscription::setEventListenerHandler(Id<DXFeedSubscription> id) noex
         }
     };
 
-    eventListenerHandler_ = handler_utils::JavaObjectHandler<DXFeedEventListener>(runIsolatedOrElse(
+    eventListenerHandler_ = JavaObjectHandler<DXFeedEventListener>(runIsolatedOrElse(
         [idValue = id.getValue(), onEvents](auto threadHandle) {
             return dxfg_DXFeedEventListener_new(threadHandle, onEvents, bit_cast<void *>(idValue));
         },
@@ -111,13 +125,14 @@ void DXFeedSubscription::setEventListenerHandler(Id<DXFeedSubscription> id) noex
             [handler = bit_cast<dxfg_subscription_t *>(handler_.get()),
              eventListenerHandler =
                  bit_cast<dxfg_feed_event_listener_t *>(eventListenerHandler_.get())](auto threadHandle) {
-                // TODO: finalize function
-
-                return dxfg_DXFeedSubscription_addEventListener(
-                           threadHandle, handler, eventListenerHandler, [](auto, auto) {}, nullptr) == 0;
+                return dxfg_DXFeedSubscription_addEventListener(threadHandle, handler, eventListenerHandler) == 0;
             },
             false);
     }
 }
 
+std::string DXFeedSubscription::toString() const noexcept {
+    return fmt::format("DXFeedSubscription{{{}}}", handler_.toString());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/api/osub/WildcardSymbol.cpp b/src/api/osub/WildcardSymbol.cpp
new file mode 100644
index 00000000..1c4f46ae
--- /dev/null
+++ b/src/api/osub/WildcardSymbol.cpp
@@ -0,0 +1,19 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include "dxfeed_graal_c_api/api.h"
+#include "dxfeed_graal_cpp_api/api.hpp"
+
+namespace dxfcpp {
+
+const WildcardSymbol WildcardSymbol::ALL{"*"};
+
+void *WildcardSymbol::toGraal() const noexcept {
+    static const dxfg_wildcard_symbol_t wildcardGraalSymbol{{WILDCARD}};
+
+    return bit_cast<void *>(&wildcardGraalSymbol);
+}
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/OptionSale.cpp b/src/event/market/OptionSale.cpp
index 0dbd8e6e..5a5054f7 100644
--- a/src/event/market/OptionSale.cpp
+++ b/src/event/market/OptionSale.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &OptionSale::Type = EventTypeEnum::OPTION_SALE;
@@ -58,4 +63,17 @@ std::shared_ptr<OptionSale> OptionSale::fromGraalNative(void *graalNative) noexc
 
 void OptionSale::setExchangeCode(char exchangeCode) { data_.exchangeCode = utf8to16(exchangeCode); }
 
+std::string OptionSale::toString() const noexcept {
+    return fmt::format(
+        "OptionSale{{{}, eventTime={}, eventFlags={:#x}, index={:#x}, time={}, timeNanoPart={}, sequence={}, "
+        "exchange={}, price={}, size={}, bid={}, ask={}, ESC='{}', TTE={}, side={}, spread={}, ETH={}, "
+        "validTick={}, type={}, underlyingPrice={}, volatility={}, delta={}, optionSymbol='{}'}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        getEventFlags().getMask(), getIndex(), formatTimeStampWithMillis(getTime()), getTimeNanoPart(),
+        getSequence(), encodeChar(getExchangeCode()), getPrice(), getSize(), getBidPrice(),
+        getAskPrice(), getExchangeSaleConditions(), encodeChar(getTradeThroughExempt()),
+        getAggressorSide().toString(), isSpreadLeg(), isExtendedTradingHours(), isValidTick(), getType().toString(),
+        getUnderlyingPrice(), getVolatility(), getDelta(), getOptionSymbol());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/Profile.cpp b/src/event/market/Profile.cpp
index 1225a431..c53c8306 100644
--- a/src/event/market/Profile.cpp
+++ b/src/event/market/Profile.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Profile::Type = EventTypeEnum::PROFILE;
@@ -57,4 +62,17 @@ std::shared_ptr<Profile> Profile::fromGraalNative(void *graalNative) noexcept {
     }
 }
 
+std::string Profile::toString() const noexcept {
+    return fmt::format("Profile{{{}, eventTime={}, description='{}', SSR={}, status={}, statusReason='{}', "
+                       "haltStartTime={}, haltEndTime={}, highLimitPrice={}, lowLimitPrice={}, high52WeekPrice={}, "
+                       "low52WeekPrice={}, beta={}, earningsPerShare={}, dividendFrequency={}, "
+                       "exDividendAmount={}, exDividendDay={}, shares={}, freeFloat={}}}",
+                       MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+                       getDescription(), getShortSaleRestriction().toString(), getTradingStatus().toString(),
+                       getStatusReason(), formatTimeStamp(getHaltStartTime()), formatTimeStamp(getHaltEndTime()),
+                       getHighLimitPrice(), getLowLimitPrice(), getHigh52WeekPrice(), getLow52WeekPrice(),
+                       getBeta(), getEarningsPerShare(), getDividendFrequency(), getExDividendAmount(),
+                       day_util::getYearMonthDayByDayId(getExDividendDayId()), getShares(), getFreeFloat());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/Quote.cpp b/src/event/market/Quote.cpp
index 31476141..b2984c0b 100644
--- a/src/event/market/Quote.cpp
+++ b/src/event/market/Quote.cpp
@@ -9,6 +9,11 @@
 #include <cstdint>
 #include <memory>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Quote::Type = EventTypeEnum::QUOTE;
@@ -62,4 +67,14 @@ std::shared_ptr<Quote> Quote::fromGraalNative(void *graalNative) noexcept {
     }
 }
 
+std::string Quote::toString() const noexcept {
+    return fmt::format(
+        "Quote{{{}, eventTime={}, time={}, timeNanoPart={}, sequence={}, bidTime={}, bidExchange={}, bidPrice={}, "
+        "bidSize={}, askTime={}, askExchange={}, askPrice={}, askSize={}}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        formatTimeStampWithMillis(getTime()), getTimeNanoPart(), getSequence(), formatTimeStamp(getBidTime()),
+        encodeChar(getBidExchangeCode()), getBidPrice(), getBidSize(), formatTimeStamp(getAskTime()),
+        encodeChar(getAskExchangeCode()), getAskPrice(), getAskSize());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/Summary.cpp b/src/event/market/Summary.cpp
index 722d99fa..b4a50707 100644
--- a/src/event/market/Summary.cpp
+++ b/src/event/market/Summary.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Summary::Type = EventTypeEnum::SUMMARY;
@@ -49,4 +54,15 @@ std::shared_ptr<Summary> Summary::fromGraalNative(void *graalNative) noexcept {
     }
 }
 
+std::string Summary::toString() const noexcept {
+    return fmt::format("Summary{{{}, eventTime={}, day={}, dayOpen={}, dayHigh={}, dayLow='{}', "
+                       "dayClose={}, dayCloseType={}, prevDay={}, prevDayClose={}, prevDayCloseType={}, "
+                       "prevDayVolume={}, openInterest={}}}",
+                       MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+                       day_util::getYearMonthDayByDayId(getDayId()), getDayOpenPrice(), getDayHighPrice(),
+                       getDayLowPrice(), getDayLowPrice(), getDayClosePrice(), getDayClosePriceType().toString(),
+                       day_util::getYearMonthDayByDayId(getPrevDayId()), getPrevDayClosePrice(),
+                       getPrevDayClosePriceType().toString(), getPrevDayVolume(), getOpenInterest());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/TimeAndSale.cpp b/src/event/market/TimeAndSale.cpp
index 760db3dd..3fbf5870 100644
--- a/src/event/market/TimeAndSale.cpp
+++ b/src/event/market/TimeAndSale.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 void TimeAndSale::setExchangeCode(char exchangeCode) { data_.exchangeCode = utf8to16(exchangeCode); }
@@ -55,4 +60,18 @@ std::shared_ptr<TimeAndSale> TimeAndSale::fromGraalNative(void *graalNative) noe
     }
 }
 
+std::string TimeAndSale::toString() const noexcept {
+    return fmt::format("TimeAndSale{{{}, eventTime={}, eventFlags={:#x}, time={}, timeNanoPart={}, sequence={}, "
+                       "exchange={}, price={}, size={}, bid={}, "
+                       "ask={}, ESC='{}', TTE={}, side={}, spread={}, ETH={}, validTick={}, type={}{}{}}}",
+                       MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+                       getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getTimeNanoPart(),
+                       getSequence(), encodeChar(getExchangeCode()), getPrice(), getSize(), getBidPrice(),
+                       getAskPrice(), getExchangeSaleConditions(), encodeChar(getTradeThroughExempt()),
+                       getAggressorSide().toString(), isSpreadLeg(), isExtendedTradingHours(), isValidTick(),
+                       getType().toString(),
+                       getBuyer().empty() ? std::string{} : fmt::format(", buyer='{}'", getBuyer()),
+                       getSeller().empty() ? std::string{} : fmt::format(", seller='{}'", getSeller()));
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/Trade.cpp b/src/event/market/Trade.cpp
index b570541b..e1e2c904 100644
--- a/src/event/market/Trade.cpp
+++ b/src/event/market/Trade.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Trade::Type = EventTypeEnum::TRADE;
@@ -20,4 +25,6 @@ std::shared_ptr<Trade> Trade::fromGraalNative(void *graalNative) noexcept {
         graalNative);
 }
 
+std::string Trade::toString() const noexcept { return fmt::format("Trade{{{}}}", baseFieldsToString()); }
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/TradeBase.cpp b/src/event/market/TradeBase.cpp
index 4958cc54..0f6cc3c0 100644
--- a/src/event/market/TradeBase.cpp
+++ b/src/event/market/TradeBase.cpp
@@ -11,8 +11,24 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 void TradeBase::setExchangeCode(char exchangeCode) { data_.exchangeCode = utf8to16(exchangeCode); }
 
+std::string TradeBase::baseFieldsToString() const noexcept {
+    return fmt::format("{}, eventTime={}, time={}, timeNanoPart={}, sequence={}, exchange={}, price={}, "
+                       "change={}, size={}, day={}, dayVolume={}, dayTurnover={}, "
+                       "direction={}, ETH={}",
+                       MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+                       formatTimeStampWithMillis(getTime()), getTimeNanoPart(), getSequence(),
+                       encodeChar(getExchangeCode()), getPrice(), getChange(), getSize(),
+                       day_util::getYearMonthDayByDayId(getDayId()), getDayVolume(), getDayTurnover(),
+                       getTickDirection().toString(), isExtendedTradingHours());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/market/TradeETH.cpp b/src/event/market/TradeETH.cpp
index cf7aa867..afce4b29 100644
--- a/src/event/market/TradeETH.cpp
+++ b/src/event/market/TradeETH.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &TradeETH::Type = EventTypeEnum::TRADE_ETH;
@@ -20,4 +25,6 @@ std::shared_ptr<TradeETH> TradeETH::fromGraalNative(void *graalNative) noexcept
                                       dxfg_event_clazz_t::DXFG_EVENT_TRADE_ETH>(graalNative);
 }
 
+std::string TradeETH::toString() const noexcept { return fmt::format("TradeETH{{{}}}", baseFieldsToString()); }
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/option/Greeks.cpp b/src/event/option/Greeks.cpp
index c67545b7..b2d26912 100644
--- a/src/event/option/Greeks.cpp
+++ b/src/event/option/Greeks.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Greeks::Type = EventTypeEnum::GREEKS;
@@ -44,5 +49,13 @@ std::shared_ptr<Greeks> Greeks::fromGraalNative(void *graalNative) noexcept {
         return {};
     }
 }
+std::string Greeks::toString() const noexcept {
+    return fmt::format(
+        "Greeks{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, price={}, volatility={}, delta={}, "
+        "gamma={}, theta={}, rho={}, vega={}}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getPrice(), getVolatility(),
+        getDelta(), getGamma(), getTheta(), getRho(), getVega());
+}
 
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/option/Series.cpp b/src/event/option/Series.cpp
index 432f4380..72308c13 100644
--- a/src/event/option/Series.cpp
+++ b/src/event/option/Series.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Series::Type = EventTypeEnum::SERIES;
@@ -45,4 +50,14 @@ std::shared_ptr<Series> Series::fromGraalNative(void *graalNative) noexcept {
     }
 }
 
+std::string Series::toString() const noexcept {
+    return fmt::format(
+        "Series{{{}, eventTime={}, eventFlags={:#x}, index={:#x}, time={}, sequence={}, expiration={}, "
+        "volatility={}, callVolume={}, putVolume={}, putCallRatio={}, forwardPrice={}, dividend={}, interest={}}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        getEventFlags().getMask(), getIndex(), formatTimeStampWithMillis(getTime()), getSequence(),
+        day_util::getYearMonthDayByDayId(getExpiration()), getVolatility(), getCallVolume(), getPutVolume(),
+        getPutCallRatio(), getForwardPrice(), getDividend(), getInterest());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/option/TheoPrice.cpp b/src/event/option/TheoPrice.cpp
index 93a1b8a7..65f9fd8f 100644
--- a/src/event/option/TheoPrice.cpp
+++ b/src/event/option/TheoPrice.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &TheoPrice::Type = EventTypeEnum::THEO_PRICE;
@@ -44,4 +49,13 @@ std::shared_ptr<TheoPrice> TheoPrice::fromGraalNative(void *graalNative) noexcep
     }
 }
 
+std::string TheoPrice::toString() const noexcept {
+    return fmt::format(
+        "TheoPrice{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, price={}, underlyingPrice={}, "
+        "delta={}, gamma={}, dividend={}, interest={}}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getPrice(),
+        getUnderlyingPrice(), getDelta(), getGamma(), getDividend(), getInterest());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/event/option/Underlying.cpp b/src/event/option/Underlying.cpp
index 3563ef9e..6e74ab47 100644
--- a/src/event/option/Underlying.cpp
+++ b/src/event/option/Underlying.cpp
@@ -11,6 +11,11 @@
 #include <utf8.h>
 #include <utility>
 
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
 namespace dxfcpp {
 
 const EventTypeEnum &Underlying::Type = EventTypeEnum::UNDERLYING;
@@ -44,4 +49,13 @@ std::shared_ptr<Underlying> Underlying::fromGraalNative(void *graalNative) noexc
     }
 }
 
+std::string Underlying::toString() const noexcept {
+    return fmt::format(
+        "Underlying{{{}, eventTime={}, eventFlags={:#x}, time={}, sequence={}, volatility={}, frontVolatility={}, "
+        "backVolatility={}, callVolume={}, putVolume={}, putCallRatio={}}}",
+        MarketEvent::getEventSymbol(), formatTimeStampWithMillis(MarketEvent::getEventTime()),
+        getEventFlags().getMask(), formatTimeStampWithMillis(getTime()), getSequence(), getVolatility(),
+        getFrontVolatility(), getBackVolatility(), getCallVolume(), getPutVolume(), getPutCallRatio());
+}
+
 } // namespace dxfcpp
\ No newline at end of file
diff --git a/src/internal/Common.cpp b/src/internal/Common.cpp
index 1e267fb2..cdc2fb1d 100644
--- a/src/internal/Common.cpp
+++ b/src/internal/Common.cpp
@@ -5,158 +5,3 @@
 
 #include <dxfeed_graal_c_api/api.h>
 #include <dxfeed_graal_cpp_api/api.hpp>
-
-#include <cstring>
-#include <memory>
-#include <utf8.h>
-#include <utility>
-
-namespace dxfcpp {
-
-namespace handler_utils {
-
-template <typename T> void JavaObjectHandler<T>::deleter(void *handler) noexcept {
-    runIsolatedOrElse(
-        [handler = handler](auto threadHandle) {
-            if (handler) {
-                return dxfg_JavaObjectHandler_release(threadHandle, bit_cast<dxfg_java_object_handler *>(handler)) == 0;
-            }
-
-            return true;
-        },
-        false);
-}
-
-struct EventClassList::Impl {
-    dxfg_event_clazz_list_t list_;
-
-    Impl() noexcept : list_{0, nullptr} {}
-
-    void set(std::size_t index, std::uint32_t id) const noexcept {
-        if (list_.size == 0) {
-            return;
-        }
-
-        if (index < list_.size) {
-            *list_.elements[index] = static_cast<dxfg_event_clazz_t>(id);
-        }
-    }
-
-    [[nodiscard]] bool isEmpty() const noexcept { return list_.size == 0; }
-
-    [[nodiscard]] std::size_t size() const noexcept { return static_cast<std::size_t>(list_.size); }
-
-    void *getHandler() noexcept { return bit_cast<void *>(&list_); }
-
-    void init(std::uint32_t size) noexcept {
-        if (size <= 0) {
-            return;
-        }
-
-        list_.size = static_cast<std::int32_t>(size);
-        list_.elements = new (std::nothrow) dxfg_event_clazz_t *[list_.size];
-
-        if (!list_.elements) {
-            release();
-
-            return;
-        }
-
-        bool needToRelease = false;
-
-        for (std::int32_t i = 0; i < list_.size; i++) {
-            list_.elements[i] = new (std::nothrow) dxfg_event_clazz_t{};
-
-            if (!list_.elements[i]) {
-                needToRelease = true;
-            }
-        }
-
-        if (needToRelease) {
-            release();
-        }
-    }
-
-    void release() {
-        if (list_.size == 0 || list_.elements == nullptr) {
-            return;
-        }
-
-        for (auto i = list_.size - 1; i >= 0; i--) {
-            delete list_.elements[i];
-        }
-
-        delete[] list_.elements;
-        list_.size = 0;
-        list_.elements = nullptr;
-    }
-
-    ~Impl() noexcept { release(); }
-};
-
-template struct handler_utils::JavaObjectHandler<DXEndpoint>;
-template struct handler_utils::JavaObjectHandler<DXEndpointStateChangeListener>;
-template struct handler_utils::JavaObjectHandler<DXFeed>;
-template struct handler_utils::JavaObjectHandler<DXFeedSubscription>;
-template struct handler_utils::JavaObjectHandler<DXFeedEventListener>;
-template struct handler_utils::JavaObjectHandler<DXEndpoint::Builder>;
-
-EventClassList::EventClassList() noexcept : impl_(std::make_unique<EventClassList::Impl>()) {}
-
-std::unique_ptr<EventClassList> EventClassList::create(std::size_t size) noexcept {
-    auto result = std::unique_ptr<EventClassList>(new EventClassList{});
-
-    result->impl_->init(static_cast<std::uint32_t>(size));
-
-    return result;
-}
-
-void EventClassList::set(std::size_t index, std::uint32_t id) noexcept { impl_->set(index, id); }
-
-bool EventClassList::isEmpty() const noexcept { return impl_->isEmpty(); }
-
-std::size_t EventClassList::size() const noexcept { return impl_->size(); }
-
-void *EventClassList::getHandler() noexcept { return impl_->getHandler(); }
-
-EventClassList::~EventClassList() noexcept {}
-
-}
-
-std::string toString(const char *chars) {
-    if (chars == nullptr) {
-        return "";
-    }
-
-    return chars;
-}
-
-char utf16to8(std::int16_t in) {
-    try {
-        std::string out{};
-        auto utf16in = {in};
-
-        utf8::utf16to8(std::begin(utf16in), std::end(utf16in), std::back_inserter(out));
-
-        return out.empty() ? char{} : out[0];
-    } catch (...) {
-        // TODO: error handling
-        return char{};
-    }
-}
-
-std::int16_t utf8to16(char in) {
-    try {
-        std::u16string out{};
-        auto utf8in = {in};
-
-        utf8::utf8to16(std::begin(utf8in), std::end(utf8in), std::back_inserter(out));
-
-        return out.empty() ? std::int16_t{} : static_cast<std::int16_t>(out[0]);
-    } catch (...) {
-        // TODO: error handling
-        return std::int16_t{};
-    }
-}
-
-}
\ No newline at end of file
diff --git a/src/internal/EventClassList.cpp b/src/internal/EventClassList.cpp
new file mode 100644
index 00000000..98ab413d
--- /dev/null
+++ b/src/internal/EventClassList.cpp
@@ -0,0 +1,39 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+namespace dxfcpp {
+
+struct EventClassList::Impl : public RawListWrapper<dxfg_event_clazz_list_t, [](dxfg_event_clazz_list_t &list,
+                                                                                std::size_t index, std::uint32_t id) {
+    *list.elements[index] = static_cast<dxfg_event_clazz_t>(id);
+}> {};
+
+EventClassList::EventClassList() noexcept : impl_(std::make_unique<EventClassList::Impl>()) {}
+
+std::unique_ptr<EventClassList> EventClassList::create(std::size_t size) noexcept {
+    auto result = std::unique_ptr<EventClassList>(new (std::nothrow) EventClassList{});
+
+    //TODO: error handling
+    if (result) {
+        result->impl_->init(static_cast<std::uint32_t>(size));
+    }
+
+    return result;
+}
+
+void EventClassList::set(std::size_t index, std::uint32_t id) noexcept { impl_->set(index, id); }
+
+bool EventClassList::isEmpty() const noexcept { return impl_->isEmpty(); }
+
+std::size_t EventClassList::size() const noexcept { return impl_->size(); }
+
+void *EventClassList::getHandler() noexcept { return impl_->getHandler(); }
+
+EventClassList::~EventClassList() noexcept = default;
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/internal/JavaObjectHandler.cpp b/src/internal/JavaObjectHandler.cpp
new file mode 100644
index 00000000..fab4caf2
--- /dev/null
+++ b/src/internal/JavaObjectHandler.cpp
@@ -0,0 +1,30 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+namespace dxfcpp {
+
+template <typename T> void JavaObjectHandler<T>::deleter(void *handler) noexcept {
+    runIsolatedOrElse(
+        [handler = handler](auto threadHandle) {
+            if (handler) {
+                return dxfg_JavaObjectHandler_release(threadHandle, bit_cast<dxfg_java_object_handler *>(handler)) == 0;
+            }
+
+            return true;
+        },
+        false);
+}
+
+template struct JavaObjectHandler<DXEndpoint>;
+template struct JavaObjectHandler<DXEndpointStateChangeListener>;
+template struct JavaObjectHandler<DXFeed>;
+template struct JavaObjectHandler<DXFeedSubscription>;
+template struct JavaObjectHandler<DXFeedEventListener>;
+template struct JavaObjectHandler<DXEndpoint::Builder>;
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/internal/SymbolList.cpp b/src/internal/SymbolList.cpp
new file mode 100644
index 00000000..108fbfef
--- /dev/null
+++ b/src/internal/SymbolList.cpp
@@ -0,0 +1,153 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+namespace dxfcpp {
+
+std::string toString(const dxfg_symbol_list &graalSymbolList);
+
+// TODO: CandleSymbol, indexed_event_subscription_symbol, time_series_subscription_symbol,
+// ::toGraal
+struct SymbolList::Impl : public RawListWrapper<dxfg_symbol_list, [](dxfg_symbol_list &list, std::size_t index,
+                                                                     const SymbolWrapper &symbolWrapper) {
+    *list.elements[index] = *bit_cast<dxfg_symbol_t *>(symbolWrapper.toGraal());
+}> {
+    std::string toString() const noexcept { return "SymbolList::Impl{list = " + dxfcpp::toString(list_) + "}"; }
+};
+
+SymbolList::SymbolList() noexcept : impl_(std::make_unique<SymbolList::Impl>()) {}
+
+std::unique_ptr<SymbolList> SymbolList::create(std::size_t size) noexcept {
+    auto result = std::unique_ptr<SymbolList>(new SymbolList{});
+
+    result->impl_->init(static_cast<std::uint32_t>(size));
+
+    return result;
+}
+
+void SymbolList::set(std::size_t index, const SymbolWrapper &symbolWrapper) noexcept {
+    impl_->set(index, symbolWrapper);
+}
+
+bool SymbolList::isEmpty() const noexcept { return impl_->isEmpty(); }
+
+std::size_t SymbolList::size() const noexcept { return impl_->size(); }
+
+void *SymbolList::getHandler() noexcept { return impl_->getHandler(); }
+
+SymbolList::~SymbolList() noexcept = default;
+
+std::string SymbolList::toString() const noexcept { return "SymbolList{impl = " + impl_->toString() + "}"; }
+
+std::string toString(const dxfg_indexed_event_source_t &graalEventSource) {
+    std::string result = "dxfg_indexed_event_source_t{";
+
+    switch (graalEventSource.type) {
+
+    case INDEXED_EVENT_SOURCE:
+        result += "type = INDEXED_EVENT_SOURCE";
+
+        break;
+
+    case ORDER_SOURCE:
+        result += "type = ORDER_SOURCE";
+
+        break;
+    }
+
+    result += ", id = " + toStringAny(graalEventSource.id);
+    result += std::string(", name = ") + (graalEventSource.name ? "null" : graalEventSource.name);
+
+    return result;
+}
+
+std::string toString(const dxfg_symbol_t *graalSymbol) {
+    std::string result = "dxfg_symbol_t{type = ";
+    switch (graalSymbol->type) {
+
+    case STRING: {
+        result += "STRING";
+
+        const auto *stringSymbol = bit_cast<const dxfg_string_symbol_t *>(graalSymbol);
+
+        result += std::string(", symbol = ") + (!stringSymbol->symbol ? "null" : stringSymbol->symbol);
+
+        break;
+    }
+    case CANDLE: {
+        result += "CANDLE";
+
+        const auto *candleSymbol = bit_cast<const dxfg_candle_symbol_t *>(graalSymbol);
+
+        result += std::string(", symbol = ") + (!candleSymbol->symbol ? "null" : candleSymbol->symbol);
+
+        break;
+    }
+    case WILDCARD:
+        result += "WILDCARD";
+        break;
+    case INDEXED_EVENT_SUBSCRIPTION: {
+        result += "INDEXED_EVENT_SUBSCRIPTION";
+
+        const auto *indexedEventSubscriptionSymbol =
+            bit_cast<const dxfg_indexed_event_subscription_symbol_t *>(graalSymbol);
+
+        auto symbol =
+            !indexedEventSubscriptionSymbol->symbol ? "null" : toString(indexedEventSubscriptionSymbol->symbol);
+
+        result += ",symbol = " + symbol;
+        result +=
+            ",source = " +
+            (!indexedEventSubscriptionSymbol->source ? "null" : toString(*indexedEventSubscriptionSymbol->source));
+
+        break;
+    }
+    case TIME_SERIES_SUBSCRIPTION: {
+        result += "TIME_SERIES_SUBSCRIPTION";
+
+        const auto *timeSeriesSubscriptionSymbol =
+            bit_cast<const dxfg_time_series_subscription_symbol_t *>(graalSymbol);
+
+        auto symbol = !timeSeriesSubscriptionSymbol->symbol ? "null" : toString(timeSeriesSubscriptionSymbol->symbol);
+
+        result += ",symbol = " + symbol;
+        result += ",from_time = " + formatTimeStampWithMillis(timeSeriesSubscriptionSymbol->from_time);
+
+        break;
+    }
+    default:
+        result += "UNKNOWN(" + std::to_string(graalSymbol->type) + ")";
+    }
+
+    result += "}";
+
+    return result;
+}
+
+std::string toString(const dxfg_symbol_list &graalSymbolList) {
+    std::string result = "dxfg_symbol_list{";
+
+    result += "size = " + std::to_string(graalSymbolList.size);
+    result += ", elements = ";
+
+    if (!graalSymbolList.elements) {
+        result += "null";
+    } else {
+        result += "[";
+        for (auto i = 0; i < graalSymbolList.size; i++) {
+            result += !graalSymbolList.elements[i] ? "null" : toString(graalSymbolList.elements[i]) + ", ";
+        }
+
+        result += "]";
+    }
+
+    result += "}";
+
+    return result;
+}
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/internal/utils/StringUtils.cpp b/src/internal/utils/StringUtils.cpp
new file mode 100644
index 00000000..3126d19d
--- /dev/null
+++ b/src/internal/utils/StringUtils.cpp
@@ -0,0 +1,100 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+#include <cstring>
+#include <memory>
+#include <utf8.h>
+#include <utility>
+
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/std.h>
+
+namespace dxfcpp {
+
+std::string toString(bool b) { return b ? "true" : "false"; }
+
+std::string toString(const char *chars) {
+    if (chars == nullptr) {
+        return "";
+    }
+
+    return chars;
+}
+
+std::string toString(std::thread::id threadId) {
+    std::ostringstream result{};
+
+    result << threadId;
+
+    return result.str();
+}
+
+std::string toString(void *ptr) {
+    std::ostringstream result{};
+
+    result << ptr;
+
+    return result.str();
+}
+
+std::string encodeChar(std::int16_t c) {
+    if (c >= 32 && c <= 126) {
+        return std::string{} + static_cast<char>(c);
+    }
+
+    if (c == 0) {
+        return "\\0";
+    }
+
+    return fmt::format("\\u{:04x}", c);
+}
+
+char utf16to8(std::int16_t in) {
+    try {
+        std::string out{};
+        auto utf16in = {in};
+
+        utf8::utf16to8(std::begin(utf16in), std::end(utf16in), std::back_inserter(out));
+
+        return out.empty() ? char{} : out[0];
+    } catch (...) {
+        // TODO: error handling
+        return char{};
+    }
+}
+
+std::int16_t utf8to16(char in) {
+    try {
+        std::u16string out{};
+        auto utf8in = {in};
+
+        utf8::utf8to16(std::begin(utf8in), std::end(utf8in), std::back_inserter(out));
+
+        return out.empty() ? std::int16_t{} : static_cast<std::int16_t>(out[0]);
+    } catch (...) {
+        // TODO: error handling
+        return std::int16_t{};
+    }
+}
+
+std::string formatTimeStamp(std::int64_t timestamp) {
+    auto tm = fmt::localtime(static_cast<std::time_t>(timestamp / 1000));
+
+    return fmt::format("{:%y%m%d-%H%M%S%z}", tm);
+}
+
+std::string formatTimeStampWithMillis(std::int64_t timestamp) {
+    auto ms = timestamp % 1000;
+    auto tm = fmt::localtime(static_cast<std::time_t>(timestamp / 1000));
+
+    return fmt::format("{:%y%m%d-%H%M%S}.{:0>3}{:%z}", tm, ms, tm);
+}
+
+}
\ No newline at end of file
diff --git a/src/internal/utils/debug/Debug.cpp b/src/internal/utils/debug/Debug.cpp
new file mode 100644
index 00000000..6b900856
--- /dev/null
+++ b/src/internal/utils/debug/Debug.cpp
@@ -0,0 +1,64 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+#include <fmt/chrono.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+
+#include <chrono>
+#include <sstream>
+#include <thread>
+
+namespace dxfcpp {
+
+#if DXFCPP_DEBUG == 0
+#else
+template <typename... Args> std::string vformat(std::string_view format, Args &&...args) {
+    return fmt::vformat(format, fmt::make_format_args(args...));
+}
+
+template <typename... Args> void vprint(std::ostream &os, std::string_view format, Args &&...args) {
+    fmt::vprint(os, format, fmt::make_format_args(args...));
+}
+
+std::string Debugger::nowStr() {
+    auto now = std::chrono::system_clock::now();
+    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count() % 1000;
+
+    return fmt::format("{:%y%m%d %H%M%S}.{:0>3}", std::chrono::floor<std::chrono::seconds>(now), ms);
+}
+
+std::string Debugger::nowStrWithTimeZone() {
+    auto now = std::chrono::system_clock::now();
+    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count() % 1000;
+
+    return fmt::format("{:%y%m%d-%H%M%S}.{:0>3}{:%z}", std::chrono::floor<std::chrono::seconds>(now), ms,
+                       std::chrono::floor<std::chrono::seconds>(now));
+}
+
+std::string Debugger::debugPrefixStr() {
+    return fmt::format("D {} [{}]", nowStr(), toString(std::this_thread::get_id()));
+}
+
+ void Debugger::debug(std::string str) {
+     vprint(std::cerr, "{} {}\n", debugPrefixStr(), std::move(str));
+ }
+
+#    if DXFCPP_TRACE == 1
+std::string Debugger::tracePrefixStr() {
+    return fmt::format("T {} [{}]", nowStr(), toString(std::this_thread::get_id()));
+}
+
+void Debugger::trace(std::string str) {
+    vprint(std::cerr, "{} ~~ {}\n", tracePrefixStr(), std::move(str));
+}
+#    else
+inline void Debugger::trace(...) {}
+#    endif
+
+#endif
+
+} // namespace dxfcpp
diff --git a/src/symbols/StringSymbol.cpp b/src/symbols/StringSymbol.cpp
new file mode 100644
index 00000000..fdb9257d
--- /dev/null
+++ b/src/symbols/StringSymbol.cpp
@@ -0,0 +1,103 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+#include <memory>
+
+namespace dxfcpp {
+
+struct StringSymbol::Impl final {
+    dxfg_string_symbol_t graalSymbol;
+
+    Impl() noexcept : graalSymbol{{STRING}, nullptr} {}
+
+    Impl(const Impl &impl) noexcept {
+        graalSymbol.supper = {STRING};
+        graalSymbol.symbol = nullptr;
+    }
+
+    Impl(Impl &&impl) noexcept {
+        graalSymbol.supper = {STRING};
+        graalSymbol.symbol = nullptr;
+    }
+
+    Impl &operator=(const Impl &impl) noexcept {
+        if (this == &impl) {
+            return *this;
+        }
+
+        graalSymbol.supper = {STRING};
+        graalSymbol.symbol = nullptr;
+
+        return *this;
+    }
+
+    Impl &operator=(Impl &&impl) noexcept {
+        if (this == &impl) {
+            return *this;
+        }
+
+        graalSymbol.supper = {STRING};
+        graalSymbol.symbol = nullptr;
+
+        return *this;
+    }
+};
+
+StringSymbol::StringSymbol(const StringSymbol &stringSymbol) noexcept : impl_{std::make_unique<StringSymbol::Impl>()} {
+    data_ = stringSymbol.data_;
+}
+
+StringSymbol::StringSymbol(StringSymbol &&stringSymbol) noexcept : impl_{std::make_unique<StringSymbol::Impl>()} {
+    data_ = std::move(stringSymbol.data_);
+}
+
+StringSymbol &StringSymbol::operator=(const StringSymbol &stringSymbol) noexcept {
+    if (this == &stringSymbol) {
+        return *this;
+    }
+
+    impl_ = std::make_unique<StringSymbol::Impl>();
+    data_ = stringSymbol.data_;
+
+    return *this;
+}
+
+StringSymbol &StringSymbol::operator=(StringSymbol &&stringSymbol) noexcept {
+    if (this == &stringSymbol) {
+        return *this;
+    }
+
+    impl_ = std::make_unique<StringSymbol::Impl>();
+    data_ = std::move(stringSymbol.data_);
+
+    return *this;
+}
+
+StringSymbol::StringSymbol() noexcept : impl_{std::make_unique<StringSymbol::Impl>()} {}
+
+StringSymbol::~StringSymbol() noexcept = default;
+
+void *StringSymbol::toGraal() const noexcept {
+    if (impl_->graalSymbol.symbol == nullptr) {
+        impl_->graalSymbol.symbol = data_.c_str();
+
+        // std::visit([this](auto symbol) { impl_->graalSymbol.symbol = symbol.data(); }, data_);
+    }
+
+    return bit_cast<void *>(&impl_->graalSymbol);
+}
+
+const std::string &StringSymbol::getData() const { return data_; }
+
+std::string toString(const dxfg_symbol_t *graalSymbol);
+
+std::string graalSymbolToString(void *graalSymbol) {
+    return !graalSymbol ? "null" : toString(bit_cast<const dxfg_symbol_t *>(graalSymbol));
+}
+
+} // namespace dxfcpp
\ No newline at end of file
diff --git a/src/symbols/SymbolMapper.cpp b/src/symbols/SymbolMapper.cpp
new file mode 100644
index 00000000..ffa274db
--- /dev/null
+++ b/src/symbols/SymbolMapper.cpp
@@ -0,0 +1,20 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfg_api.h>
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+#include <memory>
+
+namespace dxfcpp {
+
+template <typename SymbolIt>
+void* SymbolMapper::toNativeList(SymbolIt begin, SymbolIt end) noexcept {
+
+
+    return nullptr;
+}
+
+}
\ No newline at end of file
diff --git a/src/symbols/SymbolWrapper.cpp b/src/symbols/SymbolWrapper.cpp
new file mode 100644
index 00000000..6f4e88c6
--- /dev/null
+++ b/src/symbols/SymbolWrapper.cpp
@@ -0,0 +1,10 @@
+// Copyright (c) 2023 Devexperts LLC.
+// SPDX-License-Identifier: MPL-2.0
+
+#include <dxfeed_graal_c_api/api.h>
+#include <dxfeed_graal_cpp_api/api.hpp>
+
+namespace dxfcpp {
+
+
+}
\ No newline at end of file
diff --git a/src/system/System.cpp b/src/system/System.cpp
index 44ddcfd5..73f2d5a1 100644
--- a/src/system/System.cpp
+++ b/src/system/System.cpp
@@ -16,9 +16,9 @@
 namespace dxfcpp {
 
 bool System::setProperty(const std::string &key, const std::string &value) {
-    //TODO: check invalid utf-8
-    if constexpr (dxfcpp::isDebug) {
-        debug("System::setProperty(key = '{}', value = '{}')", key, value);
+    // TODO: check invalid utf-8
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("System::setProperty(key = '" + key + "', value = '" + value + "')");
     }
 
     auto result = runIsolatedOrElse(
@@ -28,17 +28,17 @@ bool System::setProperty(const std::string &key, const std::string &value) {
         },
         false);
 
-    if constexpr (dxfcpp::isDebug) {
-        debug("System::setProperty(key = '{}', value = '{}') -> {}", key, value, result);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("System::setProperty(key = '" + key + "', value = '" + value + "') -> " + toString(result));
     }
 
     return result;
 }
 
 std::string System::getProperty(const std::string &key) {
-    //TODO: check invalid utf-8
-    if constexpr (isDebug) {
-        debug("System::getProperty(key = {})", key);
+    // TODO: check invalid utf-8
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("System::getProperty(key = " + key + ")");
     }
 
     auto result = runIsolatedOrElse(
@@ -54,8 +54,8 @@ std::string System::getProperty(const std::string &key) {
         },
         std::string{});
 
-    if constexpr (isDebug) {
-        debug("System::getProperty(key = '{}') -> '{}'", key, result);
+    if constexpr (Debugger::isDebug) {
+        Debugger::debug("System::getProperty(key = '" + key + "') -> '" + result + "'");
     }
 
     return result;
@@ -64,7 +64,7 @@ std::string System::getProperty(const std::string &key) {
 } // namespace dxfcpp
 
 dxfc_error_code_t dxfc_system_set_property(const char *key, const char *value) {
-    //TODO: check invalid utf-8
+    // TODO: check invalid utf-8
 
     return dxfcpp::System::setProperty(key, value) ? DXFC_EC_SUCCESS : DXFC_EC_ERROR;
 }
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9e3cf92a..dbef0615 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -20,12 +20,12 @@ foreach (DXFC_TEST_SOURCE ${DXFC_TEST_SOURCES})
 
     add_executable(${DXFC_TEST_BASENAME} ${DXFC_TEST_SOURCE})
     target_include_directories(${DXFC_TEST_BASENAME} PUBLIC ${DXFC_TEST_INCLUDE_DIRS})
-    target_link_libraries(${DXFC_TEST_BASENAME} PUBLIC DxFeedGraalNativeApi dxFeedGraalCxxApi)
+    target_link_libraries(${DXFC_TEST_BASENAME} PUBLIC DxFeedGraalNativeSdk dxFeedGraalCxxApi dxFeedGraalCxxApi_Clang)
     set_property(TARGET ${DXFC_TEST_BASENAME} PROPERTY CXX_STANDARD 20)
     set_property(TARGET ${DXFC_TEST_BASENAME} PROPERTY CMAKE_C_STANDARD 11)
     set_property(TARGET ${DXFC_TEST_BASENAME} PROPERTY CXX_EXTENSIONS OFF)
     add_test(NAME ${DXFC_TEST_BASENAME} COMMAND ${DXFC_TEST_BASENAME})
 
     add_custom_command(TARGET ${DXFC_TEST_BASENAME} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different
-            $<TARGET_FILE:DxFeedGraalNativeApi> $<TARGET_FILE_DIR:${DXFC_TEST_BASENAME}>)
+            $<TARGET_FILE:DxFeedGraalNativeSdk> $<TARGET_FILE_DIR:${DXFC_TEST_BASENAME}>)
 endforeach ()
diff --git a/tests/api/DXEndpointTest.cpp b/tests/api/DXEndpointTest.cpp
index af3622d6..0ea1c241 100644
--- a/tests/api/DXEndpointTest.cpp
+++ b/tests/api/DXEndpointTest.cpp
@@ -16,15 +16,15 @@ TEST_CASE("DXEndpoint::Builder") {
     auto endpoint = builder->build();
 
     endpoint->onStateChange() += [](dxfcpp::DXEndpoint::State oldState, dxfcpp::DXEndpoint::State newState) {
-        dxfcpp::debug("DXEndpoint::Builder Test: {}", std::string("State changed: ") +
+        std::cerr << "DXEndpoint::Builder Test: {}" + std::string("State changed: ") +
                                                           dxfcpp::DXEndpoint::stateToString(oldState) + " -> " +
-                                                          dxfcpp::DXEndpoint::stateToString(newState));
+                                                          dxfcpp::DXEndpoint::stateToString(newState) << "\n";
     };
 
     endpoint->addStateChangeListener([](dxfcpp::DXEndpoint::State oldState, dxfcpp::DXEndpoint::State newState) {
-        dxfcpp::debug("DXEndpoint::Builder Test: {}", std::string("State changed 2: ") +
-                                                          dxfcpp::DXEndpoint::stateToString(oldState) + " -> " +
-                                                          dxfcpp::DXEndpoint::stateToString(newState));
+        std::cerr << "DXEndpoint::Builder Test: {}" + std::string("State changed 2: ") +
+                         dxfcpp::DXEndpoint::stateToString(oldState) + " -> " +
+                         dxfcpp::DXEndpoint::stateToString(newState) << "\n";
     });
 
     endpoint->connect("demo.dxfeed.com:7300");
@@ -76,7 +76,7 @@ TEST_CASE("dxfc_dxendpoint_builder_t bug") {
 //
 //    result = dxfc_dxendpoint_add_state_change_listener(
 //        endpoint, [](dxfc_dxendpoint_state_t oldState, dxfc_dxendpoint_state_t newState, void *) {
-//            dxfcpp::debug("dxfc_dxendpoint_builder_t Test: {}", std::string("State changed: ") +
+//            Debugger::debug("dxfc_dxendpoint_builder_t Test: {}", std::string("State changed: ") +
 //                                                                    cApiStateToString(oldState) + " -> " +
 //                                                                    cApiStateToString(newState));
 //        });
diff --git a/third_party/fmt-9.1.0/CMakeLists.txt b/third_party/fmt-10.0.0/CMakeLists.txt
similarity index 78%
rename from third_party/fmt-9.1.0/CMakeLists.txt
rename to third_party/fmt-10.0.0/CMakeLists.txt
index 088a2a9c..fb650f41 100644
--- a/third_party/fmt-9.1.0/CMakeLists.txt
+++ b/third_party/fmt-10.0.0/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1...3.18)
+cmake_minimum_required(VERSION 3.8...3.26)
 
 # Fallback for using newer policies on CMake <3.12.
 if(${CMAKE_VERSION} VERSION_LESS 3.12)
@@ -24,15 +24,86 @@ function(join result_var)
   set(${result_var} "${result}" PARENT_SCOPE)
 endfunction()
 
+# DEPRECATED! Should be merged into add_module_library.
 function(enable_module target)
   if (MSVC)
     set(BMI ${CMAKE_CURRENT_BINARY_DIR}/${target}.ifc)
     target_compile_options(${target}
       PRIVATE /interface /ifcOutput ${BMI}
       INTERFACE /reference fmt=${BMI})
+    set_target_properties(${target} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI})
+    set_source_files_properties(${BMI} PROPERTIES GENERATED ON)
   endif ()
-  set_target_properties(${target} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI})
-  set_source_files_properties(${BMI} PROPERTIES GENERATED ON)
+endfunction()
+
+# Adds a library compiled with C++20 module support.
+# `enabled` is a CMake variables that specifies if modules are enabled.
+# If modules are disabled `add_module_library` falls back to creating a
+# non-modular library.
+#
+# Usage:
+#   add_module_library(<name> [sources...] FALLBACK [sources...] [IF enabled])
+function(add_module_library name)
+  cmake_parse_arguments(AML "" "IF" "FALLBACK" ${ARGN})
+  set(sources ${AML_UNPARSED_ARGUMENTS})
+
+  add_library(${name})
+  set_target_properties(${name} PROPERTIES LINKER_LANGUAGE CXX)
+
+  if (NOT ${${AML_IF}})
+    # Create a non-modular library.
+    target_sources(${name} PRIVATE ${AML_FALLBACK})
+    return()
+  endif ()
+
+  # Modules require C++20.
+  target_compile_features(${name} PUBLIC cxx_std_20)
+  if (CMAKE_COMPILER_IS_GNUCXX)
+    target_compile_options(${name} PUBLIC -fmodules-ts)
+  endif ()
+
+  # `std` is affected by CMake options and may be higher than C++20.
+  get_target_property(std ${name} CXX_STANDARD)
+
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    set(pcms)
+    foreach (src ${sources})
+      get_filename_component(pcm ${src} NAME_WE)
+      set(pcm ${pcm}.pcm)
+
+      # Propagate -fmodule-file=*.pcm to targets that link with this library.
+      target_compile_options(
+        ${name} PUBLIC -fmodule-file=${CMAKE_CURRENT_BINARY_DIR}/${pcm})
+
+      # Use an absolute path to prevent target_link_libraries prepending -l
+      # to it.
+      set(pcms ${pcms} ${CMAKE_CURRENT_BINARY_DIR}/${pcm})
+      add_custom_command(
+        OUTPUT ${pcm}
+        COMMAND ${CMAKE_CXX_COMPILER}
+                -std=c++${std} -x c++-module --precompile -c
+                -o ${pcm} ${CMAKE_CURRENT_SOURCE_DIR}/${src}
+                "-I$<JOIN:$<TARGET_PROPERTY:${name},INCLUDE_DIRECTORIES>,;-I>"
+        # Required by the -I generator expression above.
+        COMMAND_EXPAND_LISTS
+        DEPENDS ${src})
+    endforeach ()
+
+    # Add .pcm files as sources to make sure they are built before the library.
+    set(sources)
+    foreach (pcm ${pcms})
+      get_filename_component(pcm_we ${pcm} NAME_WE)
+      set(obj ${pcm_we}.o)
+      # Use an absolute path to prevent target_link_libraries prepending -l.
+      set(sources ${sources} ${pcm} ${CMAKE_CURRENT_BINARY_DIR}/${obj})
+      add_custom_command(
+        OUTPUT ${obj}
+        COMMAND ${CMAKE_CXX_COMPILER} $<TARGET_PROPERTY:${name},COMPILE_OPTIONS>
+                -c -o ${obj} ${pcm}
+        DEPENDS ${pcm})
+    endforeach ()
+  endif ()
+  target_sources(${name} PRIVATE ${sources})
 endfunction()
 
 include(CMakeParseArguments)
@@ -75,7 +146,7 @@ option(FMT_WERROR "Halt the compilation with an error on compiler warnings."
 
 # Options that control generation of various targets.
 option(FMT_DOC "Generate the doc target." ${FMT_MASTER_PROJECT})
-option(FMT_INSTALL "Generate the install target." ${FMT_MASTER_PROJECT})
+option(FMT_INSTALL "Generate the install target." ON)
 option(FMT_TEST "Generate the test target." ${FMT_MASTER_PROJECT})
 option(FMT_FUZZ "Generate the fuzz target." OFF)
 option(FMT_CUDA_TEST "Generate the cuda-test target." OFF)
@@ -83,16 +154,6 @@ option(FMT_OS "Include core requiring OS (Windows/Posix) " ON)
 option(FMT_MODULE "Build a module instead of a traditional library." OFF)
 option(FMT_SYSTEM_HEADERS "Expose headers with marking them as system." OFF)
 
-set(FMT_CAN_MODULE OFF)
-if (CMAKE_CXX_STANDARD GREATER 17 AND
-    # msvc 16.10-pre4
-    MSVC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 19.29.30035)
-  set(FMT_CAN_MODULE OFF)
-endif ()
-if (NOT FMT_CAN_MODULE)
-  set(FMT_MODULE OFF)
-  message(STATUS "Module support is disabled.")
-endif ()
 if (FMT_TEST AND FMT_MODULE)
   # The tests require {fmt} to be compiled as traditional library
   message(STATUS "Testing is incompatible with build mode 'module'.")
@@ -101,6 +162,10 @@ set(FMT_SYSTEM_HEADERS_ATTRIBUTE "")
 if (FMT_SYSTEM_HEADERS)
   set(FMT_SYSTEM_HEADERS_ATTRIBUTE SYSTEM)
 endif ()
+if(CMAKE_SYSTEM_NAME STREQUAL "MSDOS")
+  set(FMT_TEST OFF)
+  message(STATUS "MSDOS is incompatible with gtest")
+endif()
 
 # Get version from core.h
 file(READ include/fmt/core.h core_h)
@@ -118,23 +183,15 @@ message(STATUS "Version: ${FMT_VERSION}")
 message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
 
 if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
-  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
 endif ()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
   "${CMAKE_CURRENT_SOURCE_DIR}/support/cmake")
 
-include(cxx14)
+include(CheckCXXCompilerFlag)
 include(JoinPaths)
 
-list(FIND CMAKE_CXX_COMPILE_FEATURES "cxx_variadic_templates" index)
-if (${index} GREATER -1)
-  # Use cxx_variadic_templates instead of more appropriate cxx_std_11 for
-  # compatibility with older CMake versions.
-  set(FMT_REQUIRED_FEATURES cxx_variadic_templates)
-endif ()
-message(STATUS "Required features: ${FMT_REQUIRED_FEATURES}")
-
 if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET)
   set_verbose(CMAKE_CXX_VISIBILITY_PRESET hidden CACHE STRING
               "Preset for the export of private symbols")
@@ -220,16 +277,18 @@ endfunction()
 add_headers(FMT_HEADERS args.h chrono.h color.h compile.h core.h format.h
                         format-inl.h os.h ostream.h printf.h ranges.h std.h
                         xchar.h)
-if (FMT_MODULE)
-  set(FMT_SOURCES src/fmt.cc)
-elseif (FMT_OS)
-  set(FMT_SOURCES src/format.cc src/os.cc)
-else()
-  set(FMT_SOURCES src/format.cc)
+set(FMT_SOURCES src/format.cc)
+if (FMT_OS)
+  set(FMT_SOURCES ${FMT_SOURCES} src/os.cc)
 endif ()
 
-add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst)
+add_module_library(fmt src/fmt.cc FALLBACK
+                   ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst
+                   IF FMT_MODULE)
 add_library(fmt::fmt ALIAS fmt)
+if (FMT_MODULE)
+  enable_module(fmt)
+endif ()
 
 if (FMT_WERROR)
   target_compile_options(fmt PRIVATE ${WERROR_FLAG})
@@ -237,11 +296,8 @@ endif ()
 if (FMT_PEDANTIC)
   target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS})
 endif ()
-if (FMT_MODULE)
-  enable_module(fmt)
-endif ()
 
-target_compile_features(fmt INTERFACE ${FMT_REQUIRED_FEATURES})
+target_compile_features(fmt PUBLIC cxx_std_11)
 
 target_include_directories(fmt ${FMT_SYSTEM_HEADERS_ATTRIBUTE} PUBLIC
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
@@ -262,7 +318,7 @@ if (CMAKE_BUILD_TYPE STREQUAL "Debug")
 endif ()
 
 if (BUILD_SHARED_LIBS)
-  target_compile_definitions(fmt PRIVATE FMT_EXPORT INTERFACE FMT_SHARED)
+  target_compile_definitions(fmt PRIVATE FMT_LIB_EXPORT INTERFACE FMT_SHARED)
 endif ()
 if (FMT_SAFE_DURATION_CAST)
   target_compile_definitions(fmt PUBLIC FMT_SAFE_DURATION_CAST)
@@ -272,7 +328,7 @@ add_library(fmt-header-only INTERFACE)
 add_library(fmt::fmt-header-only ALIAS fmt-header-only)
 
 target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1)
-target_compile_features(fmt-header-only INTERFACE ${FMT_REQUIRED_FEATURES})
+target_compile_features(fmt-header-only INTERFACE cxx_std_11)
 
 target_include_directories(fmt-header-only ${FMT_SYSTEM_HEADERS_ATTRIBUTE} INTERFACE
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
@@ -339,8 +395,6 @@ if (FMT_INSTALL)
   install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR}
           NAMESPACE fmt::)
 
-  install(FILES $<TARGET_PDB_FILE:${INSTALL_TARGETS}>
-          DESTINATION ${FMT_LIB_DIR} OPTIONAL)
   install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}")
 endif ()
 
diff --git a/third_party/fmt-9.1.0/ChangeLog.rst b/third_party/fmt-10.0.0/ChangeLog.rst
similarity index 91%
rename from third_party/fmt-9.1.0/ChangeLog.rst
rename to third_party/fmt-10.0.0/ChangeLog.rst
index 4ebc5c73..2b3b9990 100644
--- a/third_party/fmt-9.1.0/ChangeLog.rst
+++ b/third_party/fmt-10.0.0/ChangeLog.rst
@@ -1,3 +1,434 @@
+10.0.0 - 2023-05-09
+-------------------
+
+* Replaced Grisu with a new floating-point formatting algorithm for given
+  precision (`#3262 <https://github.com/fmtlib/fmt/issues/3262>`_,
+  `#2750 <https://github.com/fmtlib/fmt/issues/2750>`_,
+  `#3269 <https://github.com/fmtlib/fmt/pull/3269>`_,
+  `#3276 <https://github.com/fmtlib/fmt/pull/3276>`_).
+  The new algorithm is based on Dragonbox already used for the
+  shortest representation and gives substantial performance improvement:
+
+  .. image:: https://user-images.githubusercontent.com/33922675/
+             211956670-84891a09-6867-47d9-82fc-3230da7abe0f.png
+
+  * Red: new algorithm
+  * Green: new algorithm with ``FMT_USE_FULL_CACHE_DRAGONBOX`` defined to 1
+  * Blue: old algorithm
+
+  Thanks `@jk-jeon (Junekey Jeon) <https://github.com/jk-jeon>`_.
+
+* Replaced ``snprintf``-based hex float formatter with an internal
+  implementation (`#3179 <https://github.com/fmtlib/fmt/pull/3179>`_,
+  `#3203 <https://github.com/fmtlib/fmt/pull/3203>`_).
+  This removes the last usage of ``s(n)printf`` in {fmt}.
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Fixed alignment of floating-point numbers with localization
+  (`#3263 <https://github.com/fmtlib/fmt/issues/3263>`_,
+  `#3272 <https://github.com/fmtlib/fmt/pull/3272>`_).
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Improved C++20 module support
+  (`#3134 <https://github.com/fmtlib/fmt/pull/3134>`_,
+  `#3254 <https://github.com/fmtlib/fmt/pull/3254>`_,
+  `#3386 <https://github.com/fmtlib/fmt/pull/3386>`_,
+  `#3387 <https://github.com/fmtlib/fmt/pull/3387>`_,
+  `#3388 <https://github.com/fmtlib/fmt/pull/3388>`_,
+  `#3392 <https://github.com/fmtlib/fmt/pull/3392>`_,
+  `#3397 <https://github.com/fmtlib/fmt/pull/3397>`_,
+  `#3399 <https://github.com/fmtlib/fmt/pull/3399>`_,
+  `#3400 <https://github.com/fmtlib/fmt/pull/3400>`_).
+  Thanks `@laitingsheng (Tinson Lai) <https://github.com/laitingsheng>`_,
+  `@Orvid (Orvid King) <https://github.com/Orvid>`_,
+  `@DanielaE (Daniela Engert) <https://github.com/DanielaE>`_.
+  Switched to the `modules CMake library <https://github.com/vitaut/modules>`_
+  which allows building {fmt} as a C++20 module with clang::
+
+    CXX=clang++ cmake -DFMT_MODULE=ON .
+    make
+
+* Made ``format_as`` work with any user-defined type and not just enums.
+  For example (`godbolt <https://godbolt.org/z/b7rqhq5Kh>`__):
+
+  .. code:: c++
+
+     #include <fmt/format.h>
+
+     struct floaty_mc_floatface {
+       double value;
+     };
+
+     auto format_as(floaty_mc_floatface f) { return f.value; }
+
+     int main() {
+       fmt::print("{:8}\n", floaty_mc_floatface{0.42}); // prints "    0.42"
+     }
+
+* Removed deprecated implicit conversions for enums and conversions to primitive
+  types for compatibility with ``std::format`` and to prevent potential ODR
+  violations. Use ``format_as`` instead.
+
+* Added support for fill, align and width to the time point formatter
+  (`#3237 <https://github.com/fmtlib/fmt/issues/3237>`_,
+  `#3260 <https://github.com/fmtlib/fmt/pull/3260>`_,
+  `#3275 <https://github.com/fmtlib/fmt/pull/3275>`_).
+  For example (`godbolt <https://godbolt.org/z/rKP6MGz6c>`__):
+
+  .. code:: c++
+
+     #include <fmt/chrono.h>
+
+     int main() {
+       // prints "    2023"
+       fmt::print("{:>8%Y}\n", std::chrono::system_clock::now());
+     }
+
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Implemented formatting of subseconds
+  (`#2207 <https://github.com/fmtlib/fmt/issues/2207>`_,
+  `#3117 <https://github.com/fmtlib/fmt/issues/3117>`_,
+  `#3115 <https://github.com/fmtlib/fmt/pull/3115>`_,
+  `#3143 <https://github.com/fmtlib/fmt/pull/3143>`_,
+  `#3144 <https://github.com/fmtlib/fmt/pull/3144>`_,
+  `#3349 <https://github.com/fmtlib/fmt/pull/3349>`_).
+  For example (`godbolt <https://godbolt.org/z/45738oGEo>`__):
+
+  .. code:: c++
+
+     #include <fmt/chrono.h>
+
+     int main() {
+       // prints 01.234567
+       fmt::print("{:%S}\n", std::chrono::microseconds(1234567));
+     }
+
+  Thanks `@patrickroocks (Patrick Roocks) <https://github.com/patrickroocks>`_
+  `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_,
+  `@BRevzin (Barry Revzin) <https://github.com/BRevzin>`_.
+
+* Added precision support to ``%S``
+  (`#3148 <https://github.com/fmtlib/fmt/pull/3148>`_).
+  Thanks `@SappyJoy (Stepan Ponomaryov) <https://github.com/SappyJoy>`_
+
+* Added support for ``std::utc_time``
+  (`#3098 <https://github.com/fmtlib/fmt/issues/3098>`_,
+  `#3110 <https://github.com/fmtlib/fmt/pull/3110>`_).
+  Thanks `@patrickroocks (Patrick Roocks) <https://github.com/patrickroocks>`_.
+
+* Switched formatting of ``std::chrono::system_clock`` from local time to UTC
+  for compatibility with the standard
+  (`#3199 <https://github.com/fmtlib/fmt/issues/3199>`_,
+  `#3230 <https://github.com/fmtlib/fmt/pull/3230>`_).
+  Thanks `@ned14 (Niall Douglas) <https://github.com/ned14>`_.
+
+* Added support for ``%Ez`` and ``%Oz`` to chrono formatters.
+  (`#3220 <https://github.com/fmtlib/fmt/issues/3220>`_,
+  `#3222 <https://github.com/fmtlib/fmt/pull/3222>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Improved validation of format specifiers for ``std::chrono::duration``
+  (`#3219 <https://github.com/fmtlib/fmt/issues/3219>`_,
+  `#3232 <https://github.com/fmtlib/fmt/pull/3232>`_).
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Fixed formatting of time points before the epoch
+  (`#3117 <https://github.com/fmtlib/fmt/issues/3117>`_,
+  `#3261 <https://github.com/fmtlib/fmt/pull/3261>`_).
+  For example (`godbolt <https://godbolt.org/z/f7bcznb3W>`__):
+
+  .. code:: c++
+
+     #include <fmt/chrono.h>
+
+     int main() {
+       auto t = std::chrono::system_clock::from_time_t(0) -
+                std::chrono::milliseconds(250);
+       fmt::print("{:%S}\n", t); // prints 59.750000000
+     }
+
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Experimental: implemented glibc extension for padding seconds, minutes and
+  hours (`#2959 <https://github.com/fmtlib/fmt/issues/2959>`_,
+  `#3271 <https://github.com/fmtlib/fmt/pull/3271>`_).
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Added a formatter for ``std::exception``
+  (`#2977 <https://github.com/fmtlib/fmt/issues/2977>`_,
+  `#3012 <https://github.com/fmtlib/fmt/issues/3012>`_,
+  `#3062 <https://github.com/fmtlib/fmt/pull/3062>`_,
+  `#3076 <https://github.com/fmtlib/fmt/pull/3076>`_,
+  `#3119 <https://github.com/fmtlib/fmt/pull/3119>`_).
+  For example (`godbolt <https://godbolt.org/z/8xoWGs9e4>`__):
+
+  .. code:: c++
+
+     #include <fmt/std.h>
+     #include <vector>
+
+     int main() {
+       try {
+         std::vector<bool>().at(0);
+       } catch(const std::exception& e) {
+         fmt::print("{}", e);
+       }
+     }
+
+  prints::
+
+    vector<bool>::_M_range_check: __n (which is 0) >= this->size() (which is 0)
+
+  on libstdc++.
+  Thanks `@zach2good (Zach Toogood) <https://github.com/zach2good>`_ and
+  `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Moved ``std::error_code`` formatter from ``fmt/os.h`` to ``fmt/std.h``.
+  (`#3125 <https://github.com/fmtlib/fmt/pull/3125>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Added formatters for standard container adapters: ``std::priority_queue``,
+  ``std::queue`` and ``std::stack``
+  (`#3215 <https://github.com/fmtlib/fmt/issues/3215>`_,
+  `#3279 <https://github.com/fmtlib/fmt/pull/3279>`_).
+  For example (`godbolt <https://godbolt.org/z/74h1xY9qK>`__):
+
+  .. code:: c++
+
+     #include <fmt/ranges.h>
+     #include <stack>
+     #include <vector>
+
+     int main() {
+       auto s = std::stack<bool, std::vector<bool>>();
+       for (auto b: {true, false, true}) s.push(b);
+       fmt::print("{}\n", s); // prints [true, false, true]
+     }
+
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Added a formatter for ``std::optional`` to ``fmt/std.h``.
+  Thanks `@tom-huntington <https://github.com/tom-huntington>`_.
+
+* Fixed formatting of valueless by exception variants
+  (`#3347 <https://github.com/fmtlib/fmt/pull/3347>`_).
+  Thanks `@TheOmegaCarrot <https://github.com/TheOmegaCarrot>`_.
+
+* Made ``fmt::ptr`` accept ``unique_ptr`` with a custom deleter
+  (`#3177 <https://github.com/fmtlib/fmt/pull/3177>`_).
+  Thanks `@hmbj (Hans-Martin B. Jensen) <https://github.com/hmbj>`_.
+
+* Fixed formatting of noncopyable ranges and nested ranges of chars
+  (`#3158 <https://github.com/fmtlib/fmt/pull/3158>`_
+  `#3286 <https://github.com/fmtlib/fmt/issues/3286>`_,
+  `#3290 <https://github.com/fmtlib/fmt/pull/3290>`_).
+  Thanks `@BRevzin (Barry Revzin) <https://github.com/BRevzin>`_.
+
+* Fixed issues with formatting of paths and ranges of paths
+  (`#3319 <https://github.com/fmtlib/fmt/issues/3319>`_,
+  `#3321 <https://github.com/fmtlib/fmt/pull/3321>`_
+  `#3322 <https://github.com/fmtlib/fmt/issues/3322>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Improved handling of invalid Unicode in paths.
+
+* Enabled compile-time checks on Apple clang 14 and later
+  (`#3331 <https://github.com/fmtlib/fmt/pull/3331>`_).
+  Thanks `@cloyce (Cloyce D. Spradling) <https://github.com/cloyce>`_.
+
+* Improved compile-time checks of named arguments
+  (`#3105 <https://github.com/fmtlib/fmt/issues/3105>`_,
+  `#3214 <https://github.com/fmtlib/fmt/pull/3214>`_).
+  Thanks `@rbrich (Radek Brich) <https://github.com/rbrich>`_.
+
+* Fixed formatting when both alignment and ``0`` are given
+  (`#3236 <https://github.com/fmtlib/fmt/issues/3236>`_,
+  `#3248 <https://github.com/fmtlib/fmt/pull/3248>`_).
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Improved Unicode support in the experimental file API on Windows
+  (`#3234 <https://github.com/fmtlib/fmt/issues/3234>`_,
+  `#3293 <https://github.com/fmtlib/fmt/pull/3293>`_).
+  Thanks `@Fros1er (Froster) <https://github.com/Fros1er>`_.
+
+* Unified UTF transcoding
+  (`#3416 <https://github.com/fmtlib/fmt/pull/3416>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Added support for UTF-8 digit separators via an experimental locale facet
+  (`#1861 <https://github.com/fmtlib/fmt/issues/1861>`_).
+  For example (`godbolt <https://godbolt.org/z/f7bcznb3W>`__):
+
+  .. code:: c++
+
+     auto loc = std::locale(
+       std::locale(), new fmt::format_facet<std::locale>("’"));
+     auto s = fmt::format(loc, "{:L}", 1000);
+
+  where ``’`` is U+2019 used as a digit separator in the de_CH locale.
+
+* Added an overload of ``formatted_size`` that takes a locale
+  (`#3084 <https://github.com/fmtlib/fmt/issues/3084>`_,
+  `#3087 <https://github.com/fmtlib/fmt/pull/3087>`_).
+  Thanks `@gerboengels <https://github.com/gerboengels>`_.
+
+* Removed the deprecated ``FMT_DEPRECATED_OSTREAM``.
+
+* Fixed a UB when using a null ``std::string_view`` with ``fmt::to_string``
+  or format string compilation
+  (`#3241 <https://github.com/fmtlib/fmt/issues/3241>`_,
+  `#3244 <https://github.com/fmtlib/fmt/pull/3244>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Added ``starts_with`` to the fallback ``string_view`` implementation
+  (`#3080 <https://github.com/fmtlib/fmt/pull/3080>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Added ``fmt::basic_format_string::get()`` for compatibility with
+  ``basic_format_string`` (`#3111 <https://github.com/fmtlib/fmt/pull/3111>`_).
+  Thanks `@huangqinjin <https://github.com/huangqinjin>`_.
+
+* Added ``println`` for compatibility with C++23
+  (`#3267 <https://github.com/fmtlib/fmt/pull/3267>`_).
+  Thanks `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_.
+
+* Improved documentation
+  (`#3108 <https://github.com/fmtlib/fmt/issues/3108>`_,
+  `#3169 <https://github.com/fmtlib/fmt/issues/3169>`_,
+  `#3243 <https://github.com/fmtlib/fmt/pull/3243>`_).
+  `#3404 <https://github.com/fmtlib/fmt/pull/3404>`_).
+  Thanks `@Cleroth <https://github.com/Cleroth>`_ and
+  `@Vertexwahn <https://github.com/Vertexwahn>`_.
+
+* Improved build configuration and tests
+  (`#3118 <https://github.com/fmtlib/fmt/pull/3118>`_,
+  `#3120 <https://github.com/fmtlib/fmt/pull/3120>`_,
+  `#3188 <https://github.com/fmtlib/fmt/pull/3188>`_,
+  `#3189 <https://github.com/fmtlib/fmt/issues/3189>`_,
+  `#3198 <https://github.com/fmtlib/fmt/pull/3198>`_,
+  `#3205 <https://github.com/fmtlib/fmt/pull/3205>`_,
+  `#3207 <https://github.com/fmtlib/fmt/pull/3207>`_,
+  `#3210 <https://github.com/fmtlib/fmt/pull/3210>`_,
+  `#3240 <https://github.com/fmtlib/fmt/pull/3240>`_,
+  `#3256 <https://github.com/fmtlib/fmt/pull/3256>`_,
+  `#3264 <https://github.com/fmtlib/fmt/pull/3264>`_,
+  `#3299 <https://github.com/fmtlib/fmt/issues/3299>`_,
+  `#3302 <https://github.com/fmtlib/fmt/pull/3302>`_,
+  `#3312 <https://github.com/fmtlib/fmt/pull/3312>`_,
+  `#3317 <https://github.com/fmtlib/fmt/issues/3317>`_,
+  `#3328 <https://github.com/fmtlib/fmt/pull/3328>`_,
+  `#3333 <https://github.com/fmtlib/fmt/pull/3333>`_,
+  `#3369 <https://github.com/fmtlib/fmt/pull/3369>`_,
+  `#3373 <https://github.com/fmtlib/fmt/issues/3373>`_,
+  `#3395 <https://github.com/fmtlib/fmt/pull/3395>`_,
+  `#3406 <https://github.com/fmtlib/fmt/pull/3406>`_,
+  `#3411 <https://github.com/fmtlib/fmt/pull/3411>`_).
+  Thanks `@dimztimz (Dimitrij Mijoski) <https://github.com/dimztimz>`_,
+  `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_,
+  `@DavidKorczynski <https://github.com/DavidKorczynski>`_,
+  `@ChrisThrasher (Chris Thrasher) <https://github.com/ChrisThrasher>`_,
+  `@FrancoisCarouge (François Carouge) <https://github.com/FrancoisCarouge>`_,
+  `@kennyweiss (Kenny Weiss) <https://github.com/kennyweiss>`_,
+  `@luzpaz <https://github.com/luzpaz>`_,
+  `@codeinred (Alecto Irene Perez) <https://github.com/codeinred>`_,
+  `@Mixaill (Mikhail Paulyshka) <https://github.com/Mixaill>`_,
+  `@joycebrum (Joyce) <https://github.com/joycebrum>`_,
+  `@kevinhwang (Kevin Hwang) <https://github.com/kevinhwang>`_,
+  `@Vertexwahn <https://github.com/Vertexwahn>`_.
+
+* Fixed a regression in handling empty format specifiers after a colon (``{:}``)
+  (`#3086 <https://github.com/fmtlib/fmt/pull/3086>`_).
+  Thanks `@oxidase (Michael Krasnyk) <https://github.com/oxidase>`_.
+
+* Worked around a broken implementation of ``std::is_constant_evaluated`` in
+  some versions of libstdc++ on clang
+  (`#3247 <https://github.com/fmtlib/fmt/issues/3247>`_,
+  `#3281 <https://github.com/fmtlib/fmt/pull/3281>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_.
+
+* Fixed formatting of volatile variables
+  (`#3068 <https://github.com/fmtlib/fmt/pull/3068>`_).
+
+* Fixed various warnings and compilation issues
+  (`#3057 <https://github.com/fmtlib/fmt/pull/3057>`_,
+  `#3066 <https://github.com/fmtlib/fmt/pull/3066>`_,
+  `#3072 <https://github.com/fmtlib/fmt/pull/3072>`_,
+  `#3082 <https://github.com/fmtlib/fmt/pull/3082>`_,
+  `#3091 <https://github.com/fmtlib/fmt/pull/3091>`_,
+  `#3092 <https://github.com/fmtlib/fmt/issues/3092>`_,
+  `#3093 <https://github.com/fmtlib/fmt/pull/3093>`_,
+  `#3095 <https://github.com/fmtlib/fmt/pull/3095>`_,
+  `#3096 <https://github.com/fmtlib/fmt/issues/3096>`_,
+  `#3097 <https://github.com/fmtlib/fmt/pull/3097>`_,
+  `#3128 <https://github.com/fmtlib/fmt/issues/3128>`_,
+  `#3129 <https://github.com/fmtlib/fmt/pull/3129>`_,
+  `#3137 <https://github.com/fmtlib/fmt/pull/3137>`_,
+  `#3139 <https://github.com/fmtlib/fmt/pull/3139>`_,
+  `#3140 <https://github.com/fmtlib/fmt/issues/3140>`_,
+  `#3142 <https://github.com/fmtlib/fmt/pull/3142>`_,
+  `#3149 <https://github.com/fmtlib/fmt/issues/3149>`_,
+  `#3150 <https://github.com/fmtlib/fmt/pull/3150>`_,
+  `#3154 <https://github.com/fmtlib/fmt/issues/3154>`_,
+  `#3163 <https://github.com/fmtlib/fmt/issues/3163>`_,
+  `#3178 <https://github.com/fmtlib/fmt/issues/3178>`_,
+  `#3184 <https://github.com/fmtlib/fmt/pull/3184>`_,
+  `#3196 <https://github.com/fmtlib/fmt/pull/3196>`_,
+  `#3204 <https://github.com/fmtlib/fmt/issues/3204>`_,
+  `#3206 <https://github.com/fmtlib/fmt/pull/3206>`_,
+  `#3208 <https://github.com/fmtlib/fmt/pull/3208>`_,
+  `#3213 <https://github.com/fmtlib/fmt/issues/3213>`_,
+  `#3216 <https://github.com/fmtlib/fmt/pull/3216>`_,
+  `#3224 <https://github.com/fmtlib/fmt/issues/3224>`_,
+  `#3226 <https://github.com/fmtlib/fmt/issues/3226>`_,
+  `#3228 <https://github.com/fmtlib/fmt/issues/3228>`_,
+  `#3229 <https://github.com/fmtlib/fmt/pull/3229>`_,
+  `#3259 <https://github.com/fmtlib/fmt/pull/3259>`_,
+  `#3274 <https://github.com/fmtlib/fmt/issues/3274>`_,
+  `#3287 <https://github.com/fmtlib/fmt/issues/3287>`_,
+  `#3288 <https://github.com/fmtlib/fmt/pull/3288>`_,
+  `#3292 <https://github.com/fmtlib/fmt/issues/3292>`_,
+  `#3295 <https://github.com/fmtlib/fmt/pull/3295>`_,
+  `#3296 <https://github.com/fmtlib/fmt/pull/3296>`_,
+  `#3298 <https://github.com/fmtlib/fmt/issues/3298>`_,
+  `#3325 <https://github.com/fmtlib/fmt/issues/3325>`_,
+  `#3326 <https://github.com/fmtlib/fmt/pull/3326>`_,
+  `#3334 <https://github.com/fmtlib/fmt/issues/3334>`_,
+  `#3342 <https://github.com/fmtlib/fmt/issues/3342>`_,
+  `#3343 <https://github.com/fmtlib/fmt/pull/3343>`_,
+  `#3351 <https://github.com/fmtlib/fmt/issues/3351>`_,
+  `#3352 <https://github.com/fmtlib/fmt/pull/3352>`_,
+  `#3362 <https://github.com/fmtlib/fmt/pull/3362>`_,
+  `#3365 <https://github.com/fmtlib/fmt/issues/3365>`_,
+  `#3366 <https://github.com/fmtlib/fmt/pull/3366>`_,
+  `#3374 <https://github.com/fmtlib/fmt/pull/3374>`_,
+  `#3377 <https://github.com/fmtlib/fmt/issues/3377>`_,
+  `#3378 <https://github.com/fmtlib/fmt/pull/3378>`_,
+  `#3381 <https://github.com/fmtlib/fmt/issues/3381>`_,
+  `#3398 <https://github.com/fmtlib/fmt/pull/3398>`_,
+  `#3413 <https://github.com/fmtlib/fmt/pull/3413>`_,
+  `#3415 <https://github.com/fmtlib/fmt/issues/3415>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_,
+  `@gsjaardema (Greg Sjaardema) <https://github.com/gsjaardema>`_,
+  `@NewbieOrange <https://github.com/NewbieOrange>`_,
+  `@EngineLessCC (VivyaCC) <https://github.com/EngineLessCC>`_,
+  `@asmaloney (Andy Maloney) <https://github.com/asmaloney>`_,
+  `@HazardyKnusperkeks (Björn Schäpers)
+  <https://github.com/HazardyKnusperkeks>`_,
+  `@sergiud (Sergiu Deitsch) <https://github.com/sergiud>`_,
+  `@Youw (Ihor Dutchak) <https://github.com/Youw>`_,
+  `@thesmurph <https://github.com/thesmurph>`_,
+  `@czudziakm (Maksymilian Czudziak) <https://github.com/czudziakm>`_,
+  `@Roman-Koshelev <https://github.com/Roman-Koshelev>`_,
+  `@chronoxor (Ivan Shynkarenka) <https://github.com/chronoxor>`_,
+  `@ShawnZhong (Shawn Zhong) <https://github.com/ShawnZhong>`_,
+  `@russelltg (Russell Greene) <https://github.com/russelltg>`_,
+  `@glebm (Gleb Mazovetskiy) <https://github.com/glebm>`_,
+  `@tmartin-gh <https://github.com/tmartin-gh>`_,
+  `@Zhaojun-Liu (June Liu) <https://github.com/Zhaojun-Liu>`_,
+  `@louiswins (Louis Wilson) <https://github.com/louiswins>`_,
+  `@mogemimi <https://github.com/mogemimi>`_.
+
 9.1.0 - 2022-08-27
 ------------------
 
@@ -105,6 +536,7 @@
   `#2982 <https://github.com/fmtlib/fmt/pull/2982>`_,
   `#2985 <https://github.com/fmtlib/fmt/pull/2985>`_,
   `#2988 <https://github.com/fmtlib/fmt/issues/2988>`_,
+  `#2989 <https://github.com/fmtlib/fmt/issues/2989>`_,
   `#3000 <https://github.com/fmtlib/fmt/issues/3000>`_,
   `#3006 <https://github.com/fmtlib/fmt/issues/3006>`_,
   `#3014 <https://github.com/fmtlib/fmt/issues/3014>`_,
@@ -2260,7 +2692,7 @@
   <https://github.com/kwesolowski>`_.
 
 * Replaced ``FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION`` with the ``FMT_FUZZ``
-  macro to prevent interferring with fuzzing of projects using {fmt}
+  macro to prevent interfering with fuzzing of projects using {fmt}
   (`#1650 <https://github.com/fmtlib/fmt/pull/1650>`_).
   Thanks `@asraa (Asra Ali) <https://github.com/asraa>`_.
 
diff --git a/third_party/fmt-9.1.0/LICENSE.rst b/third_party/fmt-10.0.0/LICENSE.rst
similarity index 95%
rename from third_party/fmt-9.1.0/LICENSE.rst
rename to third_party/fmt-10.0.0/LICENSE.rst
index f0ec3db4..1cd1ef92 100644
--- a/third_party/fmt-9.1.0/LICENSE.rst
+++ b/third_party/fmt-10.0.0/LICENSE.rst
@@ -1,4 +1,4 @@
-Copyright (c) 2012 - present, Victor Zverovich
+Copyright (c) 2012 - present, Victor Zverovich and {fmt} contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/third_party/fmt-9.1.0/README.rst b/third_party/fmt-10.0.0/README.rst
similarity index 94%
rename from third_party/fmt-9.1.0/README.rst
rename to third_party/fmt-10.0.0/README.rst
index cc6d7c41..6a639b6b 100644
--- a/third_party/fmt-9.1.0/README.rst
+++ b/third_party/fmt-10.0.0/README.rst
@@ -47,7 +47,8 @@ Features
 * `Format string syntax <https://fmt.dev/latest/syntax.html>`_ similar to Python's
   `format <https://docs.python.org/3/library/stdtypes.html#str.format>`_
 * Fast IEEE 754 floating-point formatter with correct rounding, shortness and
-  round-trip guarantees
+  round-trip guarantees using the `Dragonbox <https://github.com/jk-jeon/dragonbox>`_
+  algorithm
 * Safe `printf implementation
   <https://fmt.dev/latest/api.html#printf-formatting>`_ including the POSIX
   extension for positional arguments
@@ -191,24 +192,24 @@ Speed tests
 ================= ============= ===========
 Library           Method        Run Time, s
 ================= ============= ===========
-libc              printf          1.04
-libc++            std::ostream    3.05
-{fmt} 6.1.1       fmt::print      0.75
-Boost Format 1.67 boost::format   7.24
-Folly Format      folly::format   2.23
+libc              printf          0.91
+libc++            std::ostream    2.49
+{fmt} 9.1         fmt::print      0.74
+Boost Format 1.80 boost::format   6.26
+Folly Format      folly::format   1.87
 ================= ============= ===========
 
-{fmt} is the fastest of the benchmarked methods, ~35% faster than ``printf``.
+{fmt} is the fastest of the benchmarked methods, ~20% faster than ``printf``.
 
 The above results were generated by building ``tinyformat_test.cpp`` on macOS
-10.14.6 with ``clang++ -O3 -DNDEBUG -DSPEED_TEST -DHAVE_FORMAT``, and taking the
+12.6.1 with ``clang++ -O3 -DNDEBUG -DSPEED_TEST -DHAVE_FORMAT``, and taking the
 best of three runs. In the test, the format string ``"%0.10f:%04d:%+g:%s:%p:%c:%%\n"``
 or equivalent is filled 2,000,000 times with output sent to ``/dev/null``; for
 further details refer to the `source
 <https://github.com/fmtlib/format-benchmark/blob/master/src/tinyformat-test.cc>`_.
 
 {fmt} is up to 20-30x faster than ``std::ostringstream`` and ``sprintf`` on
-floating-point formatting (`dtoa-benchmark <https://github.com/fmtlib/dtoa-benchmark>`_)
+IEEE754 ``float`` and ``double`` formatting (`dtoa-benchmark <https://github.com/fmtlib/dtoa-benchmark>`_)
 and faster than `double-conversion <https://github.com/google/double-conversion>`_ and
 `ryu <https://github.com/ulfjack/ryu>`_:
 
@@ -322,8 +323,10 @@ Projects using this library
 
 * `ccache <https://ccache.dev/>`_: a compiler cache
 
-* `ClickHouse <https://github.com/ClickHouse/ClickHouse>`_: analytical database
+* `ClickHouse <https://github.com/ClickHouse/ClickHouse>`_: an analytical database
   management system
+  
+* `Contour <https://github.com/contour-terminal/contour/>`_: a modern terminal emulator
 
 * `CUAUV <https://cuauv.org/>`_: Cornell University's autonomous underwater
   vehicle
@@ -360,6 +363,10 @@ Projects using this library
 
 * `Knuth <https://kth.cash/>`_: high-performance Bitcoin full-node
 
+* `libunicode <https://github.com/contour-terminal/libunicode/>`_: a modern C++17 Unicode library
+
+* `MariaDB <https://mariadb.org/>`_: relational database management system
+
 * `Microsoft Verona <https://github.com/microsoft/verona>`_:
   research programming language for concurrent ownership
 
@@ -413,6 +420,9 @@ Projects using this library
 * `TrinityCore <https://github.com/TrinityCore/TrinityCore>`_: open-source
   MMORPG framework
 
+* `🐙 userver framework <https://userver.tech/>`_: open-source asynchronous
+  framework with a rich set of abstractions and database drivers
+
 * `Windows Terminal <https://github.com/microsoft/terminal>`_: the new Windows
   terminal
 
@@ -523,8 +533,7 @@ Maintainers
 -----------
 
 The {fmt} library is maintained by Victor Zverovich (`vitaut
-<https://github.com/vitaut>`_) and Jonathan Müller (`foonathan
-<https://github.com/foonathan>`_) with contributions from many other people.
+<https://github.com/vitaut>`_) with contributions from many other people.
 See `Contributors <https://github.com/fmtlib/fmt/graphs/contributors>`_ and
 `Releases <https://github.com/fmtlib/fmt/releases>`_ for some of the names.
 Let us know if your contribution is not listed or mentioned incorrectly and
diff --git a/third_party/fmt-9.1.0/include/fmt/args.h b/third_party/fmt-10.0.0/include/fmt/args.h
similarity index 100%
rename from third_party/fmt-9.1.0/include/fmt/args.h
rename to third_party/fmt-10.0.0/include/fmt/args.h
diff --git a/third_party/fmt-9.1.0/include/fmt/chrono.h b/third_party/fmt-10.0.0/include/fmt/chrono.h
similarity index 78%
rename from third_party/fmt-9.1.0/include/fmt/chrono.h
rename to third_party/fmt-10.0.0/include/fmt/chrono.h
index b112f76e..55e8a506 100644
--- a/third_party/fmt-9.1.0/include/fmt/chrono.h
+++ b/third_party/fmt-10.0.0/include/fmt/chrono.h
@@ -22,6 +22,24 @@
 
 FMT_BEGIN_NAMESPACE
 
+// Check if std::chrono::local_t is available.
+#ifndef FMT_USE_LOCAL_TIME
+#  ifdef __cpp_lib_chrono
+#    define FMT_USE_LOCAL_TIME (__cpp_lib_chrono >= 201907L)
+#  else
+#    define FMT_USE_LOCAL_TIME 0
+#  endif
+#endif
+
+// Check if std::chrono::utc_timestamp is available.
+#ifndef FMT_USE_UTC_TIME
+#  ifdef __cpp_lib_chrono
+#    define FMT_USE_UTC_TIME (__cpp_lib_chrono >= 201907L)
+#  else
+#    define FMT_USE_UTC_TIME 0
+#  endif
+#endif
+
 // Enable tzset.
 #ifndef FMT_USE_TZSET
 // UWP doesn't provide _tzset.
@@ -203,7 +221,8 @@ To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from,
     }
     const auto min1 =
         (std::numeric_limits<IntermediateRep>::min)() / Factor::num;
-    if (!std::is_unsigned<IntermediateRep>::value && count < min1) {
+    if (detail::const_check(!std::is_unsigned<IntermediateRep>::value) &&
+        count < min1) {
       ec = 1;
       return {};
     }
@@ -358,37 +377,11 @@ auto write_encoded_tm_str(OutputIt out, string_view in, const std::locale& loc)
     unit_t unit;
     write_codecvt(unit, in, loc);
     // In UTF-8 is used one to four one-byte code units.
-    auto&& buf = basic_memory_buffer<char, unit_t::max_size * 4>();
-    for (code_unit* p = unit.buf; p != unit.end; ++p) {
-      uint32_t c = static_cast<uint32_t>(*p);
-      if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) {
-        // surrogate pair
-        ++p;
-        if (p == unit.end || (c & 0xfc00) != 0xd800 ||
-            (*p & 0xfc00) != 0xdc00) {
-          FMT_THROW(format_error("failed to format time"));
-        }
-        c = (c << 10) + static_cast<uint32_t>(*p) - 0x35fdc00;
-      }
-      if (c < 0x80) {
-        buf.push_back(static_cast<char>(c));
-      } else if (c < 0x800) {
-        buf.push_back(static_cast<char>(0xc0 | (c >> 6)));
-        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
-      } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) {
-        buf.push_back(static_cast<char>(0xe0 | (c >> 12)));
-        buf.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
-        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
-      } else if (c >= 0x10000 && c <= 0x10ffff) {
-        buf.push_back(static_cast<char>(0xf0 | (c >> 18)));
-        buf.push_back(static_cast<char>(0x80 | ((c & 0x3ffff) >> 12)));
-        buf.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
-        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
-      } else {
-        FMT_THROW(format_error("failed to format time"));
-      }
-    }
-    return copy_str<char>(buf.data(), buf.data() + buf.size(), out);
+    unicode_to_utf8<code_unit, basic_memory_buffer<char, unit_t::max_size * 4>>
+        u;
+    if (!u.convert({unit.buf, to_unsigned(unit.end - unit.buf)}))
+      FMT_THROW(format_error("failed to format time"));
+    return copy_str<char>(u.c_str(), u.c_str() + u.size(), out);
   }
   return copy_str<char>(in.data(), in.data() + in.size(), out);
 }
@@ -427,7 +420,7 @@ auto write(OutputIt out, const std::tm& time, const std::locale& loc,
            char format, char modifier = 0) -> OutputIt {
   auto&& buf = get_buffer<Char>(out);
   do_write<Char>(buf, time, loc, format, modifier);
-  return buf.out();
+  return get_iterator(buf, out);
 }
 
 template <typename Char, typename OutputIt,
@@ -441,7 +434,7 @@ auto write(OutputIt out, const std::tm& time, const std::locale& loc,
 
 }  // namespace detail
 
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 /**
   Converts given time since epoch as ``std::time_t`` value into calendar time,
@@ -484,10 +477,13 @@ inline std::tm localtime(std::time_t time) {
   return lt.tm_;
 }
 
-inline std::tm localtime(
-    std::chrono::time_point<std::chrono::system_clock> time_point) {
-  return localtime(std::chrono::system_clock::to_time_t(time_point));
+#if FMT_USE_LOCAL_TIME
+template <typename Duration>
+inline auto localtime(std::chrono::local_time<Duration> time) -> std::tm {
+  return localtime(std::chrono::system_clock::to_time_t(
+      std::chrono::current_zone()->to_sys(time)));
 }
+#endif
 
 /**
   Converts given time since epoch as ``std::time_t`` value into calendar time,
@@ -536,6 +532,49 @@ inline std::tm gmtime(
 
 FMT_BEGIN_DETAIL_NAMESPACE
 
+// DEPRECATED!
+template <typename Char>
+FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end,
+                               format_specs<Char>& specs) -> const Char* {
+  FMT_ASSERT(begin != end, "");
+  auto align = align::none;
+  auto p = begin + code_point_length(begin);
+  if (end - p <= 0) p = begin;
+  for (;;) {
+    switch (to_ascii(*p)) {
+    case '<':
+      align = align::left;
+      break;
+    case '>':
+      align = align::right;
+      break;
+    case '^':
+      align = align::center;
+      break;
+    }
+    if (align != align::none) {
+      if (p != begin) {
+        auto c = *begin;
+        if (c == '}') return begin;
+        if (c == '{') {
+          throw_format_error("invalid fill character '{'");
+          return begin;
+        }
+        specs.fill = {begin, to_unsigned(p - begin)};
+        begin = p + 1;
+      } else {
+        ++begin;
+      }
+      break;
+    } else if (p == begin) {
+      break;
+    }
+    p = begin;
+  }
+  specs.align = align;
+  return begin;
+}
+
 // Writes two-digit numbers a, b and c separated by sep to buf.
 // The method by Pavel Novikov based on
 // https://johnnylee-sde.github.io/Fast-unsigned-integer-to-time-string/.
@@ -599,12 +638,39 @@ enum class numeric_system {
   alternative
 };
 
+// Glibc extensions for formatting numeric values.
+enum class pad_type {
+  unspecified,
+  // Do not pad a numeric result string.
+  none,
+  // Pad a numeric result string with zeros even if the conversion specifier
+  // character uses space-padding by default.
+  zero,
+  // Pad a numeric result string with spaces.
+  space,
+};
+
+template <typename OutputIt>
+auto write_padding(OutputIt out, pad_type pad, int width) -> OutputIt {
+  if (pad == pad_type::none) return out;
+  return std::fill_n(out, width, pad == pad_type::space ? ' ' : '0');
+}
+
+template <typename OutputIt>
+auto write_padding(OutputIt out, pad_type pad) -> OutputIt {
+  if (pad != pad_type::none) *out++ = pad == pad_type::space ? ' ' : '0';
+  return out;
+}
+
 // Parses a put_time-like format string and invokes handler actions.
 template <typename Char, typename Handler>
 FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
                                               const Char* end,
                                               Handler&& handler) {
+  if (begin == end || *begin == '}') return begin;
+  if (*begin != '%') FMT_THROW(format_error("invalid format"));
   auto ptr = begin;
+  pad_type pad = pad_type::unspecified;
   while (ptr != end) {
     auto c = *ptr;
     if (c == '}') break;
@@ -615,6 +681,22 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
     if (begin != ptr) handler.on_text(begin, ptr);
     ++ptr;  // consume '%'
     if (ptr == end) FMT_THROW(format_error("invalid format"));
+    c = *ptr;
+    switch (c) {
+    case '_':
+      pad = pad_type::space;
+      ++ptr;
+      break;
+    case '-':
+      pad = pad_type::none;
+      ++ptr;
+      break;
+    case '0':
+      pad = pad_type::zero;
+      ++ptr;
+      break;
+    }
+    if (ptr == end) FMT_THROW(format_error("invalid format"));
     c = *ptr++;
     switch (c) {
     case '%':
@@ -691,16 +773,16 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
       break;
     // Hour, minute, second:
     case 'H':
-      handler.on_24_hour(numeric_system::standard);
+      handler.on_24_hour(numeric_system::standard, pad);
       break;
     case 'I':
-      handler.on_12_hour(numeric_system::standard);
+      handler.on_12_hour(numeric_system::standard, pad);
       break;
     case 'M':
-      handler.on_minute(numeric_system::standard);
+      handler.on_minute(numeric_system::standard, pad);
       break;
     case 'S':
-      handler.on_second(numeric_system::standard);
+      handler.on_second(numeric_system::standard, pad);
       break;
     // Other:
     case 'c':
@@ -737,7 +819,7 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
       handler.on_duration_unit();
       break;
     case 'z':
-      handler.on_utc_offset();
+      handler.on_utc_offset(numeric_system::standard);
       break;
     case 'Z':
       handler.on_tz_name();
@@ -765,6 +847,9 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
       case 'X':
         handler.on_loc_time(numeric_system::alternative);
         break;
+      case 'z':
+        handler.on_utc_offset(numeric_system::alternative);
+        break;
       default:
         FMT_THROW(format_error("invalid format"));
       }
@@ -802,16 +887,19 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
         handler.on_dec1_weekday(numeric_system::alternative);
         break;
       case 'H':
-        handler.on_24_hour(numeric_system::alternative);
+        handler.on_24_hour(numeric_system::alternative, pad);
         break;
       case 'I':
-        handler.on_12_hour(numeric_system::alternative);
+        handler.on_12_hour(numeric_system::alternative, pad);
         break;
       case 'M':
-        handler.on_minute(numeric_system::alternative);
+        handler.on_minute(numeric_system::alternative, pad);
         break;
       case 'S':
-        handler.on_second(numeric_system::alternative);
+        handler.on_second(numeric_system::alternative, pad);
+        break;
+      case 'z':
+        handler.on_utc_offset(numeric_system::alternative);
         break;
       default:
         FMT_THROW(format_error("invalid format"));
@@ -864,7 +952,7 @@ template <typename Derived> struct null_chrono_spec_handler {
   FMT_CONSTEXPR void on_am_pm() { unsupported(); }
   FMT_CONSTEXPR void on_duration_value() { unsupported(); }
   FMT_CONSTEXPR void on_duration_unit() { unsupported(); }
-  FMT_CONSTEXPR void on_utc_offset() { unsupported(); }
+  FMT_CONSTEXPR void on_utc_offset(numeric_system) { unsupported(); }
   FMT_CONSTEXPR void on_tz_name() { unsupported(); }
 };
 
@@ -892,10 +980,10 @@ struct tm_format_checker : null_chrono_spec_handler<tm_format_checker> {
   FMT_CONSTEXPR void on_day_of_year() {}
   FMT_CONSTEXPR void on_day_of_month(numeric_system) {}
   FMT_CONSTEXPR void on_day_of_month_space(numeric_system) {}
-  FMT_CONSTEXPR void on_24_hour(numeric_system) {}
-  FMT_CONSTEXPR void on_12_hour(numeric_system) {}
-  FMT_CONSTEXPR void on_minute(numeric_system) {}
-  FMT_CONSTEXPR void on_second(numeric_system) {}
+  FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_minute(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_second(numeric_system, pad_type) {}
   FMT_CONSTEXPR void on_datetime(numeric_system) {}
   FMT_CONSTEXPR void on_loc_date(numeric_system) {}
   FMT_CONSTEXPR void on_loc_time(numeric_system) {}
@@ -905,7 +993,7 @@ struct tm_format_checker : null_chrono_spec_handler<tm_format_checker> {
   FMT_CONSTEXPR void on_24_hour_time() {}
   FMT_CONSTEXPR void on_iso_time() {}
   FMT_CONSTEXPR void on_am_pm() {}
-  FMT_CONSTEXPR void on_utc_offset() {}
+  FMT_CONSTEXPR void on_utc_offset(numeric_system) {}
   FMT_CONSTEXPR void on_tz_name() {}
 };
 
@@ -957,13 +1045,130 @@ inline void tzset_once() {
 }
 #endif
 
-template <typename OutputIt, typename Char> class tm_writer {
+// Converts value to Int and checks that it's in the range [0, upper).
+template <typename T, typename Int, FMT_ENABLE_IF(std::is_integral<T>::value)>
+inline Int to_nonnegative_int(T value, Int upper) {
+  FMT_ASSERT(std::is_unsigned<Int>::value ||
+                 (value >= 0 && to_unsigned(value) <= to_unsigned(upper)),
+             "invalid value");
+  (void)upper;
+  return static_cast<Int>(value);
+}
+template <typename T, typename Int, FMT_ENABLE_IF(!std::is_integral<T>::value)>
+inline Int to_nonnegative_int(T value, Int upper) {
+  if (value < 0 || value > static_cast<T>(upper))
+    FMT_THROW(format_error("invalid value"));
+  return static_cast<Int>(value);
+}
+
+constexpr long long pow10(std::uint32_t n) {
+  return n == 0 ? 1 : 10 * pow10(n - 1);
+}
+
+// Counts the number of fractional digits in the range [0, 18] according to the
+// C++20 spec. If more than 18 fractional digits are required then returns 6 for
+// microseconds precision.
+template <long long Num, long long Den, int N = 0,
+          bool Enabled = (N < 19) && (Num <= max_value<long long>() / 10)>
+struct count_fractional_digits {
+  static constexpr int value =
+      Num % Den == 0 ? N : count_fractional_digits<Num * 10, Den, N + 1>::value;
+};
+
+// Base case that doesn't instantiate any more templates
+// in order to avoid overflow.
+template <long long Num, long long Den, int N>
+struct count_fractional_digits<Num, Den, N, false> {
+  static constexpr int value = (Num % Den == 0) ? N : 6;
+};
+
+// Format subseconds which are given as an integer type with an appropriate
+// number of digits.
+template <typename Char, typename OutputIt, typename Duration>
+void write_fractional_seconds(OutputIt& out, Duration d, int precision = -1) {
+  constexpr auto num_fractional_digits =
+      count_fractional_digits<Duration::period::num,
+                              Duration::period::den>::value;
+
+  using subsecond_precision = std::chrono::duration<
+      typename std::common_type<typename Duration::rep,
+                                std::chrono::seconds::rep>::type,
+      std::ratio<1, detail::pow10(num_fractional_digits)>>;
+
+  const auto fractional =
+      d - std::chrono::duration_cast<std::chrono::seconds>(d);
+  const auto subseconds =
+      std::chrono::treat_as_floating_point<
+          typename subsecond_precision::rep>::value
+          ? fractional.count()
+          : std::chrono::duration_cast<subsecond_precision>(fractional).count();
+  auto n = static_cast<uint32_or_64_or_128_t<long long>>(subseconds);
+  const int num_digits = detail::count_digits(n);
+
+  int leading_zeroes = (std::max)(0, num_fractional_digits - num_digits);
+  if (precision < 0) {
+    FMT_ASSERT(!std::is_floating_point<typename Duration::rep>::value, "");
+    if (std::ratio_less<typename subsecond_precision::period,
+                        std::chrono::seconds::period>::value) {
+      *out++ = '.';
+      out = std::fill_n(out, leading_zeroes, '0');
+      out = format_decimal<Char>(out, n, num_digits).end;
+    }
+  } else {
+    *out++ = '.';
+    leading_zeroes = (std::min)(leading_zeroes, precision);
+    out = std::fill_n(out, leading_zeroes, '0');
+    int remaining = precision - leading_zeroes;
+    if (remaining != 0 && remaining < num_digits) {
+      n /= to_unsigned(detail::pow10(to_unsigned(num_digits - remaining)));
+      out = format_decimal<Char>(out, n, remaining).end;
+      return;
+    }
+    out = format_decimal<Char>(out, n, num_digits).end;
+    remaining -= num_digits;
+    out = std::fill_n(out, remaining, '0');
+  }
+}
+
+// Format subseconds which are given as a floating point type with an
+// appropriate number of digits. We cannot pass the Duration here, as we
+// explicitly need to pass the Rep value in the chrono_formatter.
+template <typename Duration>
+void write_floating_seconds(memory_buffer& buf, Duration duration,
+                            int num_fractional_digits = -1) {
+  using rep = typename Duration::rep;
+  FMT_ASSERT(std::is_floating_point<rep>::value, "");
+
+  auto val = duration.count();
+
+  if (num_fractional_digits < 0) {
+    // For `std::round` with fallback to `round`:
+    // On some toolchains `std::round` is not available (e.g. GCC 6).
+    using namespace std;
+    num_fractional_digits =
+        count_fractional_digits<Duration::period::num,
+                                Duration::period::den>::value;
+    if (num_fractional_digits < 6 && static_cast<rep>(round(val)) != val)
+      num_fractional_digits = 6;
+  }
+
+  format_to(std::back_inserter(buf), FMT_STRING("{:.{}f}"),
+            std::fmod(val * static_cast<rep>(Duration::period::num) /
+                          static_cast<rep>(Duration::period::den),
+                      static_cast<rep>(60)),
+            num_fractional_digits);
+}
+
+template <typename OutputIt, typename Char,
+          typename Duration = std::chrono::seconds>
+class tm_writer {
  private:
   static constexpr int days_per_week = 7;
 
   const std::locale& loc_;
   const bool is_classic_;
   OutputIt out_;
+  const Duration* subsecs_;
   const std::tm& tm_;
 
   auto tm_sec() const noexcept -> int {
@@ -1051,6 +1256,17 @@ template <typename OutputIt, typename Char> class tm_writer {
     *out_++ = *d++;
     *out_++ = *d;
   }
+  void write2(int value, pad_type pad) {
+    unsigned int v = to_unsigned(value) % 100;
+    if (v >= 10) {
+      const char* d = digits2(v);
+      *out_++ = *d++;
+      *out_++ = *d;
+    } else {
+      out_ = detail::write_padding(out_, pad);
+      *out_++ = static_cast<char>('0' + v);
+    }
+  }
 
   void write_year_extended(long long year) {
     // At least 4 characters.
@@ -1074,7 +1290,7 @@ template <typename OutputIt, typename Char> class tm_writer {
     }
   }
 
-  void write_utc_offset(long offset) {
+  void write_utc_offset(long offset, numeric_system ns) {
     if (offset < 0) {
       *out_++ = '-';
       offset = -offset;
@@ -1083,14 +1299,15 @@ template <typename OutputIt, typename Char> class tm_writer {
     }
     offset /= 60;
     write2(static_cast<int>(offset / 60));
+    if (ns != numeric_system::standard) *out_++ = ':';
     write2(static_cast<int>(offset % 60));
   }
   template <typename T, FMT_ENABLE_IF(has_member_data_tm_gmtoff<T>::value)>
-  void format_utc_offset_impl(const T& tm) {
-    write_utc_offset(tm.tm_gmtoff);
+  void format_utc_offset_impl(const T& tm, numeric_system ns) {
+    write_utc_offset(tm.tm_gmtoff, ns);
   }
   template <typename T, FMT_ENABLE_IF(!has_member_data_tm_gmtoff<T>::value)>
-  void format_utc_offset_impl(const T& tm) {
+  void format_utc_offset_impl(const T& tm, numeric_system ns) {
 #if defined(_WIN32) && defined(_UCRT)
 #  if FMT_USE_TZSET
     tzset_once();
@@ -1102,10 +1319,17 @@ template <typename OutputIt, typename Char> class tm_writer {
       _get_dstbias(&dstbias);
       offset += dstbias;
     }
-    write_utc_offset(-offset);
+    write_utc_offset(-offset, ns);
 #else
-    ignore_unused(tm);
-    format_localized('z');
+    if (ns == numeric_system::standard) return format_localized('z');
+
+    // Extract timezone offset from timezone conversion functions.
+    std::tm gtm = tm;
+    std::time_t gt = std::mktime(&gtm);
+    std::tm ltm = gmtime(gt);
+    std::time_t lt = std::mktime(&ltm);
+    long offset = gt - lt;
+    write_utc_offset(offset, ns);
 #endif
   }
 
@@ -1126,10 +1350,12 @@ template <typename OutputIt, typename Char> class tm_writer {
   }
 
  public:
-  tm_writer(const std::locale& loc, OutputIt out, const std::tm& tm)
+  tm_writer(const std::locale& loc, OutputIt out, const std::tm& tm,
+            const Duration* subsecs = nullptr)
       : loc_(loc),
         is_classic_(loc_ == get_classic_locale()),
         out_(out),
+        subsecs_(subsecs),
         tm_(tm) {}
 
   OutputIt out() const { return out_; }
@@ -1227,7 +1453,7 @@ template <typename OutputIt, typename Char> class tm_writer {
     out_ = copy_str<Char>(std::begin(buf) + offset, std::end(buf), out_);
   }
 
-  void on_utc_offset() { format_utc_offset_impl(tm_); }
+  void on_utc_offset(numeric_system ns) { format_utc_offset_impl(tm_, ns); }
   void on_tz_name() { format_tz_name_impl(tm_); }
 
   void on_year(numeric_system ns) {
@@ -1315,22 +1541,41 @@ template <typename OutputIt, typename Char> class tm_writer {
     }
   }
 
-  void on_24_hour(numeric_system ns) {
-    if (is_classic_ || ns == numeric_system::standard) return write2(tm_hour());
+  void on_24_hour(numeric_system ns, pad_type pad) {
+    if (is_classic_ || ns == numeric_system::standard)
+      return write2(tm_hour(), pad);
     format_localized('H', 'O');
   }
-  void on_12_hour(numeric_system ns) {
+  void on_12_hour(numeric_system ns, pad_type pad) {
     if (is_classic_ || ns == numeric_system::standard)
-      return write2(tm_hour12());
+      return write2(tm_hour12(), pad);
     format_localized('I', 'O');
   }
-  void on_minute(numeric_system ns) {
-    if (is_classic_ || ns == numeric_system::standard) return write2(tm_min());
+  void on_minute(numeric_system ns, pad_type pad) {
+    if (is_classic_ || ns == numeric_system::standard)
+      return write2(tm_min(), pad);
     format_localized('M', 'O');
   }
-  void on_second(numeric_system ns) {
-    if (is_classic_ || ns == numeric_system::standard) return write2(tm_sec());
-    format_localized('S', 'O');
+
+  void on_second(numeric_system ns, pad_type pad) {
+    if (is_classic_ || ns == numeric_system::standard) {
+      write2(tm_sec(), pad);
+      if (subsecs_) {
+        if (std::is_floating_point<typename Duration::rep>::value) {
+          auto buf = memory_buffer();
+          write_floating_seconds(buf, *subsecs_);
+          if (buf.size() > 1) {
+            // Remove the leading "0", write something like ".123".
+            out_ = std::copy(buf.begin() + 1, buf.end(), out_);
+          }
+        } else {
+          write_fractional_seconds<Char>(out_, *subsecs_);
+        }
+      }
+    } else {
+      // Currently no formatting of subseconds when a locale is set.
+      format_localized('S', 'O');
+    }
   }
 
   void on_12_hour_time() {
@@ -1351,10 +1596,9 @@ template <typename OutputIt, typename Char> class tm_writer {
     write2(tm_min());
   }
   void on_iso_time() {
-    char buf[8];
-    write_digit2_separated(buf, to_unsigned(tm_hour()), to_unsigned(tm_min()),
-                           to_unsigned(tm_sec()), ':');
-    out_ = copy_str<Char>(std::begin(buf), std::end(buf), out_);
+    on_24_hour_time();
+    *out_++ = ':';
+    on_second(numeric_system::standard, pad_type::unspecified);
   }
 
   void on_am_pm() {
@@ -1372,43 +1616,34 @@ template <typename OutputIt, typename Char> class tm_writer {
 };
 
 struct chrono_format_checker : null_chrono_spec_handler<chrono_format_checker> {
+  bool has_precision_integral = false;
+
   FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); }
 
   template <typename Char>
   FMT_CONSTEXPR void on_text(const Char*, const Char*) {}
-  FMT_CONSTEXPR void on_24_hour(numeric_system) {}
-  FMT_CONSTEXPR void on_12_hour(numeric_system) {}
-  FMT_CONSTEXPR void on_minute(numeric_system) {}
-  FMT_CONSTEXPR void on_second(numeric_system) {}
+  FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_minute(numeric_system, pad_type) {}
+  FMT_CONSTEXPR void on_second(numeric_system, pad_type) {}
   FMT_CONSTEXPR void on_12_hour_time() {}
   FMT_CONSTEXPR void on_24_hour_time() {}
   FMT_CONSTEXPR void on_iso_time() {}
   FMT_CONSTEXPR void on_am_pm() {}
-  FMT_CONSTEXPR void on_duration_value() {}
+  FMT_CONSTEXPR void on_duration_value() const {
+    if (has_precision_integral) {
+      FMT_THROW(format_error("precision not allowed for this argument type"));
+    }
+  }
   FMT_CONSTEXPR void on_duration_unit() {}
 };
 
-template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
+template <typename T,
+          FMT_ENABLE_IF(std::is_integral<T>::value&& has_isfinite<T>::value)>
 inline bool isfinite(T) {
   return true;
 }
 
-// Converts value to Int and checks that it's in the range [0, upper).
-template <typename T, typename Int, FMT_ENABLE_IF(std::is_integral<T>::value)>
-inline Int to_nonnegative_int(T value, Int upper) {
-  FMT_ASSERT(std::is_unsigned<Int>::value ||
-             (value >= 0 && to_unsigned(value) <= to_unsigned(upper)),
-             "invalid value");
-  (void)upper;
-  return static_cast<Int>(value);
-}
-template <typename T, typename Int, FMT_ENABLE_IF(!std::is_integral<T>::value)>
-inline Int to_nonnegative_int(T value, Int upper) {
-  if (value < 0 || value > static_cast<T>(upper))
-    FMT_THROW(format_error("invalid value"));
-  return static_cast<Int>(value);
-}
-
 template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
 inline T mod(T x, int y) {
   return x % static_cast<T>(y);
@@ -1463,47 +1698,6 @@ inline std::chrono::duration<Rep, std::milli> get_milliseconds(
 #endif
 }
 
-// Counts the number of fractional digits in the range [0, 18] according to the
-// C++20 spec. If more than 18 fractional digits are required then returns 6 for
-// microseconds precision.
-template <long long Num, long long Den, int N = 0,
-          bool Enabled = (N < 19) && (Num <= max_value<long long>() / 10)>
-struct count_fractional_digits {
-  static constexpr int value =
-      Num % Den == 0 ? N : count_fractional_digits<Num * 10, Den, N + 1>::value;
-};
-
-// Base case that doesn't instantiate any more templates
-// in order to avoid overflow.
-template <long long Num, long long Den, int N>
-struct count_fractional_digits<Num, Den, N, false> {
-  static constexpr int value = (Num % Den == 0) ? N : 6;
-};
-
-constexpr long long pow10(std::uint32_t n) {
-  return n == 0 ? 1 : 10 * pow10(n - 1);
-}
-
-template <class Rep, class Period,
-          FMT_ENABLE_IF(std::numeric_limits<Rep>::is_signed)>
-constexpr std::chrono::duration<Rep, Period> abs(
-    std::chrono::duration<Rep, Period> d) {
-  // We need to compare the duration using the count() method directly
-  // due to a compiler bug in clang-11 regarding the spaceship operator,
-  // when -Wzero-as-null-pointer-constant is enabled.
-  // In clang-12 the bug has been fixed. See
-  // https://bugs.llvm.org/show_bug.cgi?id=46235 and the reproducible example:
-  // https://www.godbolt.org/z/Knbb5joYx.
-  return d.count() >= d.zero().count() ? d : -d;
-}
-
-template <class Rep, class Period,
-          FMT_ENABLE_IF(!std::numeric_limits<Rep>::is_signed)>
-constexpr std::chrono::duration<Rep, Period> abs(
-    std::chrono::duration<Rep, Period> d) {
-  return d;
-}
-
 template <typename Char, typename Rep, typename OutputIt,
           FMT_ENABLE_IF(std::is_integral<Rep>::value)>
 OutputIt format_duration_value(OutputIt out, Rep val, int) {
@@ -1513,7 +1707,7 @@ OutputIt format_duration_value(OutputIt out, Rep val, int) {
 template <typename Char, typename Rep, typename OutputIt,
           FMT_ENABLE_IF(std::is_floating_point<Rep>::value)>
 OutputIt format_duration_value(OutputIt out, Rep val, int precision) {
-  auto specs = basic_format_specs<Char>();
+  auto specs = format_specs<Char>();
   specs.precision = precision;
   specs.type = precision >= 0 ? presentation_type::fixed_lower
                               : presentation_type::general_lower;
@@ -1654,44 +1848,16 @@ struct chrono_formatter {
     }
   }
 
-  void write(Rep value, int width) {
+  void write(Rep value, int width, pad_type pad = pad_type::unspecified) {
     write_sign();
     if (isnan(value)) return write_nan();
     uint32_or_64_or_128_t<int> n =
         to_unsigned(to_nonnegative_int(value, max_value<int>()));
     int num_digits = detail::count_digits(n);
-    if (width > num_digits) out = std::fill_n(out, width - num_digits, '0');
-    out = format_decimal<char_type>(out, n, num_digits).end;
-  }
-
-  template <typename Duration> void write_fractional_seconds(Duration d) {
-    FMT_ASSERT(!std::is_floating_point<typename Duration::rep>::value, "");
-    constexpr auto num_fractional_digits =
-        count_fractional_digits<Duration::period::num,
-                                Duration::period::den>::value;
-
-    using subsecond_precision = std::chrono::duration<
-        typename std::common_type<typename Duration::rep,
-                                  std::chrono::seconds::rep>::type,
-        std::ratio<1, detail::pow10(num_fractional_digits)>>;
-    if (std::ratio_less<typename subsecond_precision::period,
-                        std::chrono::seconds::period>::value) {
-      *out++ = '.';
-      auto fractional =
-          detail::abs(d) - std::chrono::duration_cast<std::chrono::seconds>(d);
-      auto subseconds =
-          std::chrono::treat_as_floating_point<
-              typename subsecond_precision::rep>::value
-              ? fractional.count()
-              : std::chrono::duration_cast<subsecond_precision>(fractional)
-                    .count();
-      uint32_or_64_or_128_t<long long> n =
-          to_unsigned(to_nonnegative_int(subseconds, max_value<long long>()));
-      int num_digits = detail::count_digits(n);
-      if (num_fractional_digits > num_digits)
-        out = std::fill_n(out, num_fractional_digits - num_digits, '0');
-      out = format_decimal<char_type>(out, n, num_digits).end;
+    if (width > num_digits) {
+      out = detail::write_padding(out, pad, width - num_digits);
     }
+    out = format_decimal<char_type>(out, n, num_digits).end;
   }
 
   void write_nan() { std::copy_n("nan", 3, out); }
@@ -1723,7 +1889,7 @@ struct chrono_formatter {
   void on_loc_time(numeric_system) {}
   void on_us_date() {}
   void on_iso_date() {}
-  void on_utc_offset() {}
+  void on_utc_offset(numeric_system) {}
   void on_tz_name() {}
   void on_year(numeric_system) {}
   void on_short_year(numeric_system) {}
@@ -1739,58 +1905,56 @@ struct chrono_formatter {
   void on_day_of_month(numeric_system) {}
   void on_day_of_month_space(numeric_system) {}
 
-  void on_24_hour(numeric_system ns) {
+  void on_24_hour(numeric_system ns, pad_type pad) {
     if (handle_nan_inf()) return;
 
-    if (ns == numeric_system::standard) return write(hour(), 2);
+    if (ns == numeric_system::standard) return write(hour(), 2, pad);
     auto time = tm();
     time.tm_hour = to_nonnegative_int(hour(), 24);
-    format_tm(time, &tm_writer_type::on_24_hour, ns);
+    format_tm(time, &tm_writer_type::on_24_hour, ns, pad);
   }
 
-  void on_12_hour(numeric_system ns) {
+  void on_12_hour(numeric_system ns, pad_type pad) {
     if (handle_nan_inf()) return;
 
-    if (ns == numeric_system::standard) return write(hour12(), 2);
+    if (ns == numeric_system::standard) return write(hour12(), 2, pad);
     auto time = tm();
     time.tm_hour = to_nonnegative_int(hour12(), 12);
-    format_tm(time, &tm_writer_type::on_12_hour, ns);
+    format_tm(time, &tm_writer_type::on_12_hour, ns, pad);
   }
 
-  void on_minute(numeric_system ns) {
+  void on_minute(numeric_system ns, pad_type pad) {
     if (handle_nan_inf()) return;
 
-    if (ns == numeric_system::standard) return write(minute(), 2);
+    if (ns == numeric_system::standard) return write(minute(), 2, pad);
     auto time = tm();
     time.tm_min = to_nonnegative_int(minute(), 60);
-    format_tm(time, &tm_writer_type::on_minute, ns);
+    format_tm(time, &tm_writer_type::on_minute, ns, pad);
   }
 
-  void on_second(numeric_system ns) {
+  void on_second(numeric_system ns, pad_type pad) {
     if (handle_nan_inf()) return;
 
     if (ns == numeric_system::standard) {
       if (std::is_floating_point<rep>::value) {
-        constexpr auto num_fractional_digits =
-            count_fractional_digits<Period::num, Period::den>::value;
         auto buf = memory_buffer();
-        format_to(std::back_inserter(buf), runtime("{:.{}f}"),
-                  std::fmod(val * static_cast<rep>(Period::num) /
-                                static_cast<rep>(Period::den),
-                            static_cast<rep>(60)),
-                  num_fractional_digits);
+        write_floating_seconds(buf, std::chrono::duration<rep, Period>(val),
+                               precision);
         if (negative) *out++ = '-';
-        if (buf.size() < 2 || buf[1] == '.') *out++ = '0';
+        if (buf.size() < 2 || buf[1] == '.') {
+          out = detail::write_padding(out, pad);
+        }
         out = std::copy(buf.begin(), buf.end(), out);
       } else {
-        write(second(), 2);
-        write_fractional_seconds(std::chrono::duration<rep, Period>(val));
+        write(second(), 2, pad);
+        write_fractional_seconds<char_type>(
+            out, std::chrono::duration<rep, Period>(val), precision);
       }
       return;
     }
     auto time = tm();
     time.tm_sec = to_nonnegative_int(second(), 60);
-    format_tm(time, &tm_writer_type::on_second, ns);
+    format_tm(time, &tm_writer_type::on_second, ns, pad);
   }
 
   void on_12_hour_time() {
@@ -1814,7 +1978,7 @@ struct chrono_formatter {
     on_24_hour_time();
     *out++ = ':';
     if (handle_nan_inf()) return;
-    on_second(numeric_system::standard);
+    on_second(numeric_system::standard, pad_type::unspecified);
   }
 
   void on_am_pm() {
@@ -1883,7 +2047,7 @@ template <typename Char> struct formatter<weekday, Char> {
 template <typename Rep, typename Period, typename Char>
 struct formatter<std::chrono::duration<Rep, Period>, Char> {
  private:
-  basic_format_specs<Char> specs;
+  format_specs<Char> specs;
   int precision = -1;
   using arg_ref_type = detail::arg_ref<Char>;
   arg_ref_type width_ref;
@@ -1892,45 +2056,6 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
   basic_string_view<Char> format_str;
   using duration = std::chrono::duration<Rep, Period>;
 
-  struct spec_handler {
-    formatter& f;
-    basic_format_parse_context<Char>& context;
-    basic_string_view<Char> format_str;
-
-    template <typename Id> FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) {
-      context.check_arg_id(arg_id);
-      return arg_ref_type(arg_id);
-    }
-
-    FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view<Char> arg_id) {
-      context.check_arg_id(arg_id);
-      return arg_ref_type(arg_id);
-    }
-
-    FMT_CONSTEXPR arg_ref_type make_arg_ref(detail::auto_id) {
-      return arg_ref_type(context.next_arg_id());
-    }
-
-    void on_error(const char* msg) { FMT_THROW(format_error(msg)); }
-    FMT_CONSTEXPR void on_fill(basic_string_view<Char> fill) {
-      f.specs.fill = fill;
-    }
-    FMT_CONSTEXPR void on_align(align_t align) { f.specs.align = align; }
-    FMT_CONSTEXPR void on_width(int width) { f.specs.width = width; }
-    FMT_CONSTEXPR void on_precision(int _precision) {
-      f.precision = _precision;
-    }
-    FMT_CONSTEXPR void end_precision() {}
-
-    template <typename Id> FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
-      f.width_ref = make_arg_ref(arg_id);
-    }
-
-    template <typename Id> FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
-      f.precision_ref = make_arg_ref(arg_id);
-    }
-  };
-
   using iterator = typename basic_format_parse_context<Char>::iterator;
   struct parse_range {
     iterator begin;
@@ -1940,23 +2065,24 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
   FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context<Char>& ctx) {
     auto begin = ctx.begin(), end = ctx.end();
     if (begin == end || *begin == '}') return {begin, begin};
-    spec_handler handler{*this, ctx, format_str};
-    begin = detail::parse_align(begin, end, handler);
+
+    begin = detail::parse_align(begin, end, specs);
     if (begin == end) return {begin, begin};
-    begin = detail::parse_width(begin, end, handler);
+
+    begin = detail::parse_dynamic_spec(begin, end, specs.width, width_ref, ctx);
     if (begin == end) return {begin, begin};
+
+    auto checker = detail::chrono_format_checker();
     if (*begin == '.') {
-      if (std::is_floating_point<Rep>::value)
-        begin = detail::parse_precision(begin, end, handler);
-      else
-        handler.on_error("precision not allowed for this argument type");
+      checker.has_precision_integral = !std::is_floating_point<Rep>::value;
+      begin =
+          detail::parse_precision(begin, end, precision, precision_ref, ctx);
     }
     if (begin != end && *begin == 'L') {
       ++begin;
       localized = true;
     }
-    end = detail::parse_chrono_format(begin, end,
-                                      detail::chrono_format_checker());
+    end = detail::parse_chrono_format(begin, end, checker);
     return {begin, end};
   }
 
@@ -2002,68 +2128,140 @@ template <typename Char, typename Duration>
 struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
                  Char> : formatter<std::tm, Char> {
   FMT_CONSTEXPR formatter() {
-    basic_string_view<Char> default_specs =
-        detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>{};
-    this->do_parse(default_specs.begin(), default_specs.end());
+    this->format_str = detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>{};
+  }
+
+  template <typename FormatContext>
+  auto format(std::chrono::time_point<std::chrono::system_clock, Duration> val,
+              FormatContext& ctx) const -> decltype(ctx.out()) {
+    using period = typename Duration::period;
+    if (period::num != 1 || period::den != 1 ||
+        std::is_floating_point<typename Duration::rep>::value) {
+      const auto epoch = val.time_since_epoch();
+      auto subsecs = std::chrono::duration_cast<Duration>(
+          epoch - std::chrono::duration_cast<std::chrono::seconds>(epoch));
+
+      if (subsecs.count() < 0) {
+        auto second = std::chrono::seconds(1);
+        if (epoch.count() < ((Duration::min)() + second).count())
+          FMT_THROW(format_error("duration is too small"));
+        subsecs += second;
+        val -= second;
+      }
+
+      return formatter<std::tm, Char>::do_format(
+          gmtime(std::chrono::time_point_cast<std::chrono::seconds>(val)), ctx,
+          &subsecs);
+    }
+
+    return formatter<std::tm, Char>::format(
+        gmtime(std::chrono::time_point_cast<std::chrono::seconds>(val)), ctx);
+  }
+};
+
+#if FMT_USE_LOCAL_TIME
+template <typename Char, typename Duration>
+struct formatter<std::chrono::local_time<Duration>, Char>
+    : formatter<std::tm, Char> {
+  FMT_CONSTEXPR formatter() {
+    this->format_str = detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>{};
+  }
+
+  template <typename FormatContext>
+  auto format(std::chrono::local_time<Duration> val, FormatContext& ctx) const
+      -> decltype(ctx.out()) {
+    using period = typename Duration::period;
+    if (period::num != 1 || period::den != 1 ||
+        std::is_floating_point<typename Duration::rep>::value) {
+      const auto epoch = val.time_since_epoch();
+      const auto subsecs = std::chrono::duration_cast<Duration>(
+          epoch - std::chrono::duration_cast<std::chrono::seconds>(epoch));
+
+      return formatter<std::tm, Char>::do_format(
+          localtime(std::chrono::time_point_cast<std::chrono::seconds>(val)),
+          ctx, &subsecs);
+    }
+
+    return formatter<std::tm, Char>::format(
+        localtime(std::chrono::time_point_cast<std::chrono::seconds>(val)),
+        ctx);
   }
+};
+#endif
 
+#if FMT_USE_UTC_TIME
+template <typename Char, typename Duration>
+struct formatter<std::chrono::time_point<std::chrono::utc_clock, Duration>,
+                 Char>
+    : formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
+                Char> {
   template <typename FormatContext>
-  auto format(std::chrono::time_point<std::chrono::system_clock> val,
+  auto format(std::chrono::time_point<std::chrono::utc_clock, Duration> val,
               FormatContext& ctx) const -> decltype(ctx.out()) {
-    return formatter<std::tm, Char>::format(localtime(val), ctx);
+    return formatter<
+        std::chrono::time_point<std::chrono::system_clock, Duration>,
+        Char>::format(std::chrono::utc_clock::to_sys(val), ctx);
   }
 };
+#endif
 
 template <typename Char> struct formatter<std::tm, Char> {
  private:
-  enum class spec {
-    unknown,
-    year_month_day,
-    hh_mm_ss,
-  };
-  spec spec_ = spec::unknown;
-  basic_string_view<Char> specs;
+  format_specs<Char> specs;
+  detail::arg_ref<Char> width_ref;
 
  protected:
-  template <typename It> FMT_CONSTEXPR auto do_parse(It begin, It end) -> It {
-    if (begin != end && *begin == ':') ++begin;
+  basic_string_view<Char> format_str;
+
+  FMT_CONSTEXPR auto do_parse(basic_format_parse_context<Char>& ctx)
+      -> decltype(ctx.begin()) {
+    auto begin = ctx.begin(), end = ctx.end();
+    if (begin == end || *begin == '}') return begin;
+
+    begin = detail::parse_align(begin, end, specs);
+    if (begin == end) return end;
+
+    begin = detail::parse_dynamic_spec(begin, end, specs.width, width_ref, ctx);
+    if (begin == end) return end;
+
     end = detail::parse_chrono_format(begin, end, detail::tm_format_checker());
-    // Replace default spec only if the new spec is not empty.
-    if (end != begin) specs = {begin, detail::to_unsigned(end - begin)};
+    // Replace default format_str only if the new spec is not empty.
+    if (end != begin) format_str = {begin, detail::to_unsigned(end - begin)};
     return end;
   }
 
+  template <typename FormatContext, typename Duration>
+  auto do_format(const std::tm& tm, FormatContext& ctx,
+                 const Duration* subsecs) const -> decltype(ctx.out()) {
+    auto specs_copy = specs;
+    basic_memory_buffer<Char> buf;
+    auto out = std::back_inserter(buf);
+    detail::handle_dynamic_spec<detail::width_checker>(specs_copy.width,
+                                                       width_ref, ctx);
+
+    const auto loc_ref = ctx.locale();
+    detail::get_locale loc(static_cast<bool>(loc_ref), loc_ref);
+    auto w =
+        detail::tm_writer<decltype(out), Char, Duration>(loc, out, tm, subsecs);
+    detail::parse_chrono_format(format_str.begin(), format_str.end(), w);
+    return detail::write(
+        ctx.out(), basic_string_view<Char>(buf.data(), buf.size()), specs_copy);
+  }
+
  public:
   FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
       -> decltype(ctx.begin()) {
-    auto end = this->do_parse(ctx.begin(), ctx.end());
-    // basic_string_view<>::compare isn't constexpr before C++17.
-    if (specs.size() == 2 && specs[0] == Char('%')) {
-      if (specs[1] == Char('F'))
-        spec_ = spec::year_month_day;
-      else if (specs[1] == Char('T'))
-        spec_ = spec::hh_mm_ss;
-    }
-    return end;
+    return this->do_parse(ctx);
   }
 
   template <typename FormatContext>
   auto format(const std::tm& tm, FormatContext& ctx) const
       -> decltype(ctx.out()) {
-    const auto loc_ref = ctx.locale();
-    detail::get_locale loc(static_cast<bool>(loc_ref), loc_ref);
-    auto w = detail::tm_writer<decltype(ctx.out()), Char>(loc, ctx.out(), tm);
-    if (spec_ == spec::year_month_day)
-      w.on_iso_date();
-    else if (spec_ == spec::hh_mm_ss)
-      w.on_iso_time();
-    else
-      detail::parse_chrono_format(specs.begin(), specs.end(), w);
-    return w.out();
+    return do_format<FormatContext, std::chrono::seconds>(tm, ctx, nullptr);
   }
 };
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_CHRONO_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/color.h b/third_party/fmt-10.0.0/include/fmt/color.h
similarity index 95%
rename from third_party/fmt-9.1.0/include/fmt/color.h
rename to third_party/fmt-10.0.0/include/fmt/color.h
index 4c163277..d175448a 100644
--- a/third_party/fmt-9.1.0/include/fmt/color.h
+++ b/third_party/fmt-10.0.0/include/fmt/color.h
@@ -11,7 +11,7 @@
 #include "format.h"
 
 FMT_BEGIN_NAMESPACE
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 enum class color : uint32_t {
   alice_blue = 0xF0F8FF,               // rgb(240,248,255)
@@ -423,26 +423,6 @@ FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) noexcept {
   return ansi_color_escape<Char>(em);
 }
 
-template <typename Char> inline void fputs(const Char* chars, FILE* stream) {
-  int result = std::fputs(chars, stream);
-  if (result < 0)
-    FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
-}
-
-template <> inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) {
-  int result = std::fputws(chars, stream);
-  if (result < 0)
-    FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
-}
-
-template <typename Char> inline void reset_color(FILE* stream) {
-  fputs("\x1b[0m", stream);
-}
-
-template <> inline void reset_color<wchar_t>(FILE* stream) {
-  fputs(L"\x1b[0m", stream);
-}
-
 template <typename Char> inline void reset_color(buffer<Char>& buffer) {
   auto reset_color = string_view("\x1b[0m");
   buffer.append(reset_color.begin(), reset_color.end());
@@ -479,17 +459,19 @@ void vformat_to(buffer<Char>& buf, const text_style& ts,
 
 FMT_END_DETAIL_NAMESPACE
 
-template <typename S, typename Char = char_t<S>>
-void vprint(std::FILE* f, const text_style& ts, const S& format,
-            basic_format_args<buffer_context<type_identity_t<Char>>> args) {
-  basic_memory_buffer<Char> buf;
-  detail::vformat_to(buf, ts, detail::to_string_view(format), args);
+inline void vprint(std::FILE* f, const text_style& ts, string_view fmt,
+                   format_args args) {
+  // Legacy wide streams are not supported.
+  auto buf = memory_buffer();
+  detail::vformat_to(buf, ts, fmt, args);
   if (detail::is_utf8()) {
-    detail::print(f, basic_string_view<Char>(buf.begin(), buf.size()));
-  } else {
-    buf.push_back(Char(0));
-    detail::fputs(buf.data(), f);
+    detail::print(f, string_view(buf.begin(), buf.size()));
+    return;
   }
+  buf.push_back('\0');
+  int result = std::fputs(buf.data(), f);
+  if (result < 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
 }
 
 /**
@@ -566,7 +548,7 @@ OutputIt vformat_to(
     basic_format_args<buffer_context<type_identity_t<Char>>> args) {
   auto&& buf = detail::get_buffer<Char>(out);
   detail::vformat_to(buf, ts, format_str, args);
-  return detail::get_iterator(buf);
+  return detail::get_iterator(buf, out);
 }
 
 /**
@@ -645,7 +627,7 @@ FMT_CONSTEXPR auto styled(const T& value, text_style ts)
   return detail::styled_arg<remove_cvref_t<T>>{value, ts};
 }
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_COLOR_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/compile.h b/third_party/fmt-10.0.0/include/fmt/compile.h
similarity index 97%
rename from third_party/fmt-9.1.0/include/fmt/compile.h
rename to third_party/fmt-10.0.0/include/fmt/compile.h
index 933668c4..94e13c02 100644
--- a/third_party/fmt-9.1.0/include/fmt/compile.h
+++ b/third_party/fmt-10.0.0/include/fmt/compile.h
@@ -331,14 +331,14 @@ template <typename T, typename Char> struct parse_specs_result {
   int next_arg_id;
 };
 
-constexpr int manual_indexing_id = -1;
+enum { manual_indexing_id = -1 };
 
 template <typename T, typename Char>
 constexpr parse_specs_result<T, Char> parse_specs(basic_string_view<Char> str,
                                                   size_t pos, int next_arg_id) {
   str.remove_prefix(pos);
-  auto ctx = compile_parse_context<Char>(str, max_value<int>(), nullptr, {},
-                                         next_arg_id);
+  auto ctx =
+      compile_parse_context<Char>(str, max_value<int>(), nullptr, next_arg_id);
   auto f = formatter<T, Char>();
   auto end = f.parse(ctx);
   return {f, pos + fmt::detail::to_unsigned(end - str.data()),
@@ -348,22 +348,18 @@ constexpr parse_specs_result<T, Char> parse_specs(basic_string_view<Char> str,
 template <typename Char> struct arg_id_handler {
   arg_ref<Char> arg_id;
 
-  constexpr int operator()() {
+  constexpr int on_auto() {
     FMT_ASSERT(false, "handler cannot be used with automatic indexing");
     return 0;
   }
-  constexpr int operator()(int id) {
+  constexpr int on_index(int id) {
     arg_id = arg_ref<Char>(id);
     return 0;
   }
-  constexpr int operator()(basic_string_view<Char> id) {
+  constexpr int on_name(basic_string_view<Char> id) {
     arg_id = arg_ref<Char>(id);
     return 0;
   }
-
-  constexpr void on_error(const char* message) {
-    FMT_THROW(format_error(message));
-  }
 };
 
 template <typename Char> struct parse_arg_id_result {
@@ -501,7 +497,7 @@ constexpr auto compile(S format_str) {
 #endif  // defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
 }  // namespace detail
 
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 #if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
 
@@ -605,7 +601,7 @@ template <detail_exported::fixed_string Str> constexpr auto operator""_cf() {
 }  // namespace literals
 #endif
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_COMPILE_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/core.h b/third_party/fmt-10.0.0/include/fmt/core.h
similarity index 70%
rename from third_party/fmt-9.1.0/include/fmt/core.h
rename to third_party/fmt-10.0.0/include/fmt/core.h
index f6a37af9..46723d59 100644
--- a/third_party/fmt-9.1.0/include/fmt/core.h
+++ b/third_party/fmt-10.0.0/include/fmt/core.h
@@ -17,7 +17,7 @@
 #include <type_traits>
 
 // The fmt library version in the form major * 10000 + minor * 100 + patch.
-#define FMT_VERSION 90100
+#define FMT_VERSION 100000
 
 #if defined(__clang__) && !defined(__ibmxl__)
 #  define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
@@ -69,9 +69,7 @@
 #  define FMT_HAS_FEATURE(x) 0
 #endif
 
-#if (defined(__has_include) || FMT_ICC_VERSION >= 1600 || \
-     FMT_MSC_VERSION > 1900) &&                           \
-    !defined(__INTELLISENSE__)
+#if defined(__has_include) || FMT_ICC_VERSION >= 1600 || FMT_MSC_VERSION > 1900
 #  define FMT_HAS_INCLUDE(x) __has_include(x)
 #else
 #  define FMT_HAS_INCLUDE(x) 0
@@ -140,22 +138,7 @@
 #  endif
 #endif
 
-#ifndef FMT_DEPRECATED
-#  if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VERSION >= 1900
-#    define FMT_DEPRECATED [[deprecated]]
-#  else
-#    if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__)
-#      define FMT_DEPRECATED __attribute__((deprecated))
-#    elif FMT_MSC_VERSION
-#      define FMT_DEPRECATED __declspec(deprecated)
-#    else
-#      define FMT_DEPRECATED /* deprecated */
-#    endif
-#  endif
-#endif
-
-// [[noreturn]] is disabled on MSVC and NVCC because of bogus unreachable code
-// warnings.
+// Disable [[noreturn]] on MSVC/NVCC because of bogus unreachable code warnings.
 #if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VERSION && \
     !defined(__NVCC__)
 #  define FMT_NORETURN [[noreturn]]
@@ -163,17 +146,6 @@
 #  define FMT_NORETURN
 #endif
 
-#if FMT_HAS_CPP17_ATTRIBUTE(fallthrough)
-#  define FMT_FALLTHROUGH [[fallthrough]]
-#elif defined(__clang__)
-#  define FMT_FALLTHROUGH [[clang::fallthrough]]
-#elif FMT_GCC_VERSION >= 700 && \
-    (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520)
-#  define FMT_FALLTHROUGH [[gnu::fallthrough]]
-#else
-#  define FMT_FALLTHROUGH
-#endif
-
 #ifndef FMT_NODISCARD
 #  if FMT_HAS_CPP17_ATTRIBUTE(nodiscard)
 #    define FMT_NODISCARD [[nodiscard]]
@@ -182,16 +154,6 @@
 #  endif
 #endif
 
-#ifndef FMT_USE_FLOAT
-#  define FMT_USE_FLOAT 1
-#endif
-#ifndef FMT_USE_DOUBLE
-#  define FMT_USE_DOUBLE 1
-#endif
-#ifndef FMT_USE_LONG_DOUBLE
-#  define FMT_USE_LONG_DOUBLE 1
-#endif
-
 #ifndef FMT_INLINE
 #  if FMT_GCC_VERSION || FMT_CLANG_VERSION
 #    define FMT_INLINE inline __attribute__((always_inline))
@@ -213,7 +175,7 @@
 #ifndef FMT_BEGIN_NAMESPACE
 #  define FMT_BEGIN_NAMESPACE \
     namespace fmt {           \
-    inline namespace v9 {
+    inline namespace v10 {
 #  define FMT_END_NAMESPACE \
     }                       \
     }
@@ -221,22 +183,18 @@
 
 #ifndef FMT_MODULE_EXPORT
 #  define FMT_MODULE_EXPORT
-#  define FMT_MODULE_EXPORT_BEGIN
-#  define FMT_MODULE_EXPORT_END
-#  define FMT_BEGIN_DETAIL_NAMESPACE namespace detail {
-#  define FMT_END_DETAIL_NAMESPACE }
+#  define FMT_BEGIN_EXPORT
+#  define FMT_END_EXPORT
 #endif
 
 #if !defined(FMT_HEADER_ONLY) && defined(_WIN32)
-#  define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275)
-#  ifdef FMT_EXPORT
+#  ifdef FMT_LIB_EXPORT
 #    define FMT_API __declspec(dllexport)
 #  elif defined(FMT_SHARED)
 #    define FMT_API __declspec(dllimport)
 #  endif
 #else
-#  define FMT_CLASS_API
-#  if defined(FMT_EXPORT) || defined(FMT_SHARED)
+#  if defined(FMT_LIB_EXPORT) || defined(FMT_SHARED)
 #    if defined(__GNUC__) || defined(__clang__)
 #      define FMT_API __attribute__((visibility("default")))
 #    endif
@@ -261,11 +219,13 @@
 #endif
 
 #ifndef FMT_CONSTEVAL
-#  if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) &&         \
-       FMT_CPLUSPLUS >= 202002L && !defined(__apple_build_version__)) || \
-      (defined(__cpp_consteval) &&                                       \
+#  if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) && \
+       (!defined(__apple_build_version__) ||                     \
+        __apple_build_version__ >= 14000029L) &&                 \
+       FMT_CPLUSPLUS >= 202002L) ||                              \
+      (defined(__cpp_consteval) &&                               \
        (!FMT_MSC_VERSION || _MSC_FULL_VER >= 193030704))
-// consteval is broken in MSVC before VS2022 and Apple clang 13.
+// consteval is broken in MSVC before VS2022 and Apple clang before 14.
 #    define FMT_CONSTEVAL consteval
 #    define FMT_HAS_CONSTEVAL
 #  else
@@ -277,21 +237,27 @@
 #  if defined(__cpp_nontype_template_args) &&                  \
       ((FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L) || \
        __cpp_nontype_template_args >= 201911L) &&              \
-      !defined(__NVCOMPILER)
+      !defined(__NVCOMPILER) && !defined(__LCC__)
 #    define FMT_USE_NONTYPE_TEMPLATE_ARGS 1
 #  else
 #    define FMT_USE_NONTYPE_TEMPLATE_ARGS 0
 #  endif
 #endif
 
+#if defined __cpp_inline_variables && __cpp_inline_variables >= 201606L
+#  define FMT_INLINE_VARIABLE inline
+#else
+#  define FMT_INLINE_VARIABLE
+#endif
+
 // Enable minimal optimizations for more compact code in debug mode.
 FMT_GCC_PRAGMA("GCC push_options")
-#if !defined(__OPTIMIZE__) && !defined(__NVCOMPILER)
+#if !defined(__OPTIMIZE__) && !defined(__NVCOMPILER) && !defined(__LCC__) && \
+    !defined(__CUDACC__)
 FMT_GCC_PRAGMA("GCC optimize(\"Og\")")
 #endif
 
 FMT_BEGIN_NAMESPACE
-FMT_MODULE_EXPORT_BEGIN
 
 // Implementations of enable_if_t and other metafunctions for older systems.
 template <bool B, typename T = void>
@@ -310,18 +276,6 @@ template <typename T> using type_identity_t = typename type_identity<T>::type;
 template <typename T>
 using underlying_t = typename std::underlying_type<T>::type;
 
-template <typename...> struct disjunction : std::false_type {};
-template <typename P> struct disjunction<P> : P {};
-template <typename P1, typename... Pn>
-struct disjunction<P1, Pn...>
-    : conditional_t<bool(P1::value), P1, disjunction<Pn...>> {};
-
-template <typename...> struct conjunction : std::true_type {};
-template <typename P> struct conjunction<P> : P {};
-template <typename P1, typename... Pn>
-struct conjunction<P1, Pn...>
-    : conditional_t<bool(P1::value), conjunction<Pn...>, P1> {};
-
 struct monostate {
   constexpr monostate() {}
 };
@@ -332,11 +286,16 @@ struct monostate {
 #ifdef FMT_DOC
 #  define FMT_ENABLE_IF(...)
 #else
-#  define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0
+#  define FMT_ENABLE_IF(...) fmt::enable_if_t<(__VA_ARGS__), int> = 0
 #endif
 
-FMT_BEGIN_DETAIL_NAMESPACE
+#ifdef __cpp_lib_byte
+inline auto format_as(std::byte b) -> unsigned char {
+  return static_cast<unsigned char>(b);
+}
+#endif
 
+namespace detail {
 // Suppresses "unused variable" warnings with the method described in
 // https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/.
 // (void)var does not work on many Intel compilers.
@@ -344,7 +303,15 @@ template <typename... T> FMT_CONSTEXPR void ignore_unused(const T&...) {}
 
 constexpr FMT_INLINE auto is_constant_evaluated(
     bool default_value = false) noexcept -> bool {
-#ifdef __cpp_lib_is_constant_evaluated
+// Workaround for incompatibility between libstdc++ consteval-based
+// std::is_constant_evaluated() implementation and clang-14.
+// https://github.com/fmtlib/fmt/issues/3247
+#if FMT_CPLUSPLUS >= 202002L && defined(_GLIBCXX_RELEASE) && \
+    _GLIBCXX_RELEASE >= 12 &&                                \
+    (FMT_CLANG_VERSION >= 1400 && FMT_CLANG_VERSION < 1500)
+  ignore_unused(default_value);
+  return __builtin_is_constant_evaluated();
+#elif defined(__cpp_lib_is_constant_evaluated)
   ignore_unused(default_value);
   return std::is_constant_evaluated();
 #else
@@ -364,12 +331,12 @@ FMT_NORETURN FMT_API void assert_fail(const char* file, int line,
 #  ifdef NDEBUG
 // FMT_ASSERT is not empty to avoid -Wempty-body.
 #    define FMT_ASSERT(condition, message) \
-      ::fmt::detail::ignore_unused((condition), (message))
+      fmt::detail::ignore_unused((condition), (message))
 #  else
 #    define FMT_ASSERT(condition, message)                                    \
       ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \
            ? (void)0                                                          \
-           : ::fmt::detail::assert_fail(__FILE__, __LINE__, (message)))
+           : fmt::detail::assert_fail(__FILE__, __LINE__, (message)))
 #  endif
 #endif
 
@@ -410,15 +377,15 @@ FMT_CONSTEXPR auto to_unsigned(Int value) ->
   return static_cast<typename std::make_unsigned<Int>::type>(value);
 }
 
-FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char micro[] = "\u00B5";
+FMT_CONSTEXPR inline auto is_utf8() -> bool {
+  FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char section[] = "\u00A7";
 
-constexpr auto is_utf8() -> bool {
   // Avoid buggy sign extensions in MSVC's constant evaluation mode (#2297).
   using uchar = unsigned char;
-  return FMT_UNICODE || (sizeof(micro) == 3 && uchar(micro[0]) == 0xC2 &&
-                         uchar(micro[1]) == 0xB5);
+  return FMT_UNICODE || (sizeof(section) == 3 && uchar(section[0]) == 0xC2 &&
+                         uchar(section[1]) == 0xA7);
 }
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
 
 /**
   An implementation of ``std::basic_string_view`` for pre-C++17. It provides a
@@ -427,6 +394,7 @@ FMT_END_DETAIL_NAMESPACE
   compiled with a different ``-std`` option than the client code (which is not
   recommended).
  */
+FMT_MODULE_EXPORT
 template <typename Char> class basic_string_view {
  private:
   const Char* data_;
@@ -486,6 +454,18 @@ template <typename Char> class basic_string_view {
     size_ -= n;
   }
 
+  FMT_CONSTEXPR_CHAR_TRAITS bool starts_with(
+      basic_string_view<Char> sv) const noexcept {
+    return size_ >= sv.size_ &&
+           std::char_traits<Char>::compare(data_, sv.data_, sv.size_) == 0;
+  }
+  FMT_CONSTEXPR_CHAR_TRAITS bool starts_with(Char c) const noexcept {
+    return size_ >= 1 && std::char_traits<Char>::eq(*data_, c);
+  }
+  FMT_CONSTEXPR_CHAR_TRAITS bool starts_with(const Char* s) const {
+    return starts_with(basic_string_view<Char>(s));
+  }
+
   // Lexicographically compare this string reference to other.
   FMT_CONSTEXPR_CHAR_TRAITS auto compare(basic_string_view other) const -> int {
     size_t str_size = size_ < other.size_ ? size_ : other.size_;
@@ -517,13 +497,15 @@ template <typename Char> class basic_string_view {
   }
 };
 
+FMT_MODULE_EXPORT
 using string_view = basic_string_view<char>;
 
 /** Specifies if ``T`` is a character type. Can be specialized by users. */
+FMT_MODULE_EXPORT
 template <typename T> struct is_char : std::false_type {};
 template <> struct is_char<char> : std::true_type {};
 
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 
 // A base class for compile-time strings.
 struct compile_string {};
@@ -531,7 +513,6 @@ struct compile_string {};
 template <typename S>
 struct is_compile_string : std::is_base_of<compile_string, S> {};
 
-// Returns a string view of `s`.
 template <typename Char, FMT_ENABLE_IF(is_char<Char>::value)>
 FMT_INLINE auto to_string_view(const Char* s) -> basic_string_view<Char> {
   return s;
@@ -561,10 +542,10 @@ void to_string_view(...);
 // Specifies whether S is a string type convertible to fmt::basic_string_view.
 // It should be a constexpr function but MSVC 2017 fails to compile it in
 // enable_if and MSVC 2015 fails to compile it as an alias template.
-// ADL invocation of to_string_view is DEPRECATED!
+// ADL is intentionally disabled as to_string_view is not an extension point.
 template <typename S>
-struct is_string : std::is_class<decltype(to_string_view(std::declval<S>()))> {
-};
+struct is_string
+    : std::is_class<decltype(detail::to_string_view(std::declval<S>()))> {};
 
 template <typename S, typename = void> struct char_t_impl {};
 template <typename S> struct char_t_impl<S, enable_if_t<is_string<S>::value>> {
@@ -622,23 +603,41 @@ FMT_TYPE_CONSTANT(const void*, pointer_type);
 constexpr bool is_integral_type(type t) {
   return t > type::none_type && t <= type::last_integer_type;
 }
-
 constexpr bool is_arithmetic_type(type t) {
   return t > type::none_type && t <= type::last_numeric_type;
 }
 
+constexpr auto set(type rhs) -> int { return 1 << static_cast<int>(rhs); }
+constexpr auto in(type t, int set) -> bool {
+  return ((set >> static_cast<int>(t)) & 1) != 0;
+}
+
+// Bitsets of types.
+enum {
+  sint_set =
+      set(type::int_type) | set(type::long_long_type) | set(type::int128_type),
+  uint_set = set(type::uint_type) | set(type::ulong_long_type) |
+             set(type::uint128_type),
+  bool_set = set(type::bool_type),
+  char_set = set(type::char_type),
+  float_set = set(type::float_type) | set(type::double_type) |
+              set(type::long_double_type),
+  string_set = set(type::string_type),
+  cstring_set = set(type::cstring_type),
+  pointer_set = set(type::pointer_type)
+};
+
 FMT_NORETURN FMT_API void throw_format_error(const char* message);
 
 struct error_handler {
   constexpr error_handler() = default;
-  constexpr error_handler(const error_handler&) = default;
 
   // This function is intentionally not constexpr to give a compile-time error.
   FMT_NORETURN void on_error(const char* message) {
     throw_format_error(message);
   }
 };
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
 
 /** String's character type. */
 template <typename S> using char_t = typename detail::char_t_impl<S>::type;
@@ -650,8 +649,8 @@ template <typename S> using char_t = typename detail::char_t_impl<S>::type;
   You can use the ``format_parse_context`` type alias for ``char`` instead.
   \endrst
  */
-template <typename Char, typename ErrorHandler = detail::error_handler>
-class basic_format_parse_context : private ErrorHandler {
+FMT_MODULE_EXPORT
+template <typename Char> class basic_format_parse_context {
  private:
   basic_string_view<Char> format_str_;
   int next_arg_id_;
@@ -660,12 +659,11 @@ class basic_format_parse_context : private ErrorHandler {
 
  public:
   using char_type = Char;
-  using iterator = typename basic_string_view<Char>::iterator;
+  using iterator = const Char*;
 
   explicit constexpr basic_format_parse_context(
-      basic_string_view<Char> format_str, ErrorHandler eh = {},
-      int next_arg_id = 0)
-      : ErrorHandler(eh), format_str_(format_str), next_arg_id_(next_arg_id) {}
+      basic_string_view<Char> format_str, int next_arg_id = 0)
+      : format_str_(format_str), next_arg_id_(next_arg_id) {}
 
   /**
     Returns an iterator to the beginning of the format string range being
@@ -691,7 +689,8 @@ class basic_format_parse_context : private ErrorHandler {
    */
   FMT_CONSTEXPR auto next_arg_id() -> int {
     if (next_arg_id_ < 0) {
-      on_error("cannot switch from manual to automatic argument indexing");
+      detail::throw_format_error(
+          "cannot switch from manual to automatic argument indexing");
       return 0;
     }
     int id = next_arg_id_++;
@@ -705,7 +704,8 @@ class basic_format_parse_context : private ErrorHandler {
    */
   FMT_CONSTEXPR void check_arg_id(int id) {
     if (next_arg_id_ > 0) {
-      on_error("cannot switch from automatic to manual argument indexing");
+      detail::throw_format_error(
+          "cannot switch from automatic to manual argument indexing");
       return;
     }
     next_arg_id_ = -1;
@@ -713,80 +713,79 @@ class basic_format_parse_context : private ErrorHandler {
   }
   FMT_CONSTEXPR void check_arg_id(basic_string_view<Char>) {}
   FMT_CONSTEXPR void check_dynamic_spec(int arg_id);
-
-  FMT_CONSTEXPR void on_error(const char* message) {
-    ErrorHandler::on_error(message);
-  }
-
-  constexpr auto error_handler() const -> ErrorHandler { return *this; }
 };
 
+FMT_MODULE_EXPORT
 using format_parse_context = basic_format_parse_context<char>;
 
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 // A parse context with extra data used only in compile-time checks.
-template <typename Char, typename ErrorHandler = detail::error_handler>
-class compile_parse_context
-    : public basic_format_parse_context<Char, ErrorHandler> {
+template <typename Char>
+class compile_parse_context : public basic_format_parse_context<Char> {
  private:
   int num_args_;
   const type* types_;
-  using base = basic_format_parse_context<Char, ErrorHandler>;
+  using base = basic_format_parse_context<Char>;
 
  public:
   explicit FMT_CONSTEXPR compile_parse_context(
       basic_string_view<Char> format_str, int num_args, const type* types,
-      ErrorHandler eh = {}, int next_arg_id = 0)
-      : base(format_str, eh, next_arg_id), num_args_(num_args), types_(types) {}
+      int next_arg_id = 0)
+      : base(format_str, next_arg_id), num_args_(num_args), types_(types) {}
 
   constexpr auto num_args() const -> int { return num_args_; }
   constexpr auto arg_type(int id) const -> type { return types_[id]; }
 
   FMT_CONSTEXPR auto next_arg_id() -> int {
     int id = base::next_arg_id();
-    if (id >= num_args_) this->on_error("argument not found");
+    if (id >= num_args_) throw_format_error("argument not found");
     return id;
   }
 
   FMT_CONSTEXPR void check_arg_id(int id) {
     base::check_arg_id(id);
-    if (id >= num_args_) this->on_error("argument not found");
+    if (id >= num_args_) throw_format_error("argument not found");
   }
   using base::check_arg_id;
 
   FMT_CONSTEXPR void check_dynamic_spec(int arg_id) {
+    detail::ignore_unused(arg_id);
+#if !defined(__LCC__)
     if (arg_id < num_args_ && types_ && !is_integral_type(types_[arg_id]))
-      this->on_error("width/precision is not integer");
+      throw_format_error("width/precision is not integer");
+#endif
   }
 };
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
 
-template <typename Char, typename ErrorHandler>
-FMT_CONSTEXPR void
-basic_format_parse_context<Char, ErrorHandler>::do_check_arg_id(int id) {
+template <typename Char>
+FMT_CONSTEXPR void basic_format_parse_context<Char>::do_check_arg_id(int id) {
   // Argument id is only checked at compile-time during parsing because
   // formatting has its own validation.
-  if (detail::is_constant_evaluated() && FMT_GCC_VERSION >= 1200) {
-    using context = detail::compile_parse_context<Char, ErrorHandler>;
+  if (detail::is_constant_evaluated() &&
+      (!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) {
+    using context = detail::compile_parse_context<Char>;
     if (id >= static_cast<context*>(this)->num_args())
-      on_error("argument not found");
+      detail::throw_format_error("argument not found");
   }
 }
 
-template <typename Char, typename ErrorHandler>
-FMT_CONSTEXPR void
-basic_format_parse_context<Char, ErrorHandler>::check_dynamic_spec(int arg_id) {
-  if (detail::is_constant_evaluated()) {
-    using context = detail::compile_parse_context<Char, ErrorHandler>;
+template <typename Char>
+FMT_CONSTEXPR void basic_format_parse_context<Char>::check_dynamic_spec(
+    int arg_id) {
+  if (detail::is_constant_evaluated() &&
+      (!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) {
+    using context = detail::compile_parse_context<Char>;
     static_cast<context*>(this)->check_dynamic_spec(arg_id);
   }
 }
 
-template <typename Context> class basic_format_arg;
-template <typename Context> class basic_format_args;
-template <typename Context> class dynamic_format_arg_store;
+FMT_MODULE_EXPORT template <typename Context> class basic_format_arg;
+FMT_MODULE_EXPORT template <typename Context> class basic_format_args;
+FMT_MODULE_EXPORT template <typename Context> class dynamic_format_arg_store;
 
 // A formatter for objects of type T.
+FMT_MODULE_EXPORT
 template <typename T, typename Char = char, typename Enable = void>
 struct formatter {
   // A deleted default constructor indicates a disabled formatter.
@@ -806,7 +805,7 @@ struct is_contiguous<std::basic_string<Char>> : std::true_type {};
 
 class appender;
 
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 
 template <typename Context, typename T>
 constexpr auto has_const_formatter_impl(T*)
@@ -849,7 +848,7 @@ template <typename Char, typename T, typename U,
 FMT_CONSTEXPR auto copy_str(T* begin, T* end, U* out) -> U* {
   if (is_constant_evaluated()) return copy_str<Char, T*, U*>(begin, end, out);
   auto size = to_unsigned(end - begin);
-  memcpy(out, begin, size * sizeof(U));
+  if (size > 0) memcpy(out, begin, size * sizeof(U));
   return out + size;
 }
 
@@ -892,11 +891,11 @@ template <typename T> class buffer {
   buffer(const buffer&) = delete;
   void operator=(const buffer&) = delete;
 
-  auto begin() noexcept -> T* { return ptr_; }
-  auto end() noexcept -> T* { return ptr_ + size_; }
+  FMT_INLINE auto begin() noexcept -> T* { return ptr_; }
+  FMT_INLINE auto end() noexcept -> T* { return ptr_ + size_; }
 
-  auto begin() const noexcept -> const T* { return ptr_; }
-  auto end() const noexcept -> const T* { return ptr_ + size_; }
+  FMT_INLINE auto begin() const noexcept -> const T* { return ptr_; }
+  FMT_INLINE auto end() const noexcept -> const T* { return ptr_ + size_; }
 
   /** Returns the size of this buffer. */
   constexpr auto size() const noexcept -> size_t { return size_; }
@@ -1110,29 +1109,21 @@ template <typename T, typename OutputIt>
 auto get_buffer(OutputIt out) -> iterator_buffer<OutputIt, T> {
   return iterator_buffer<OutputIt, T>(out);
 }
+template <typename T, typename Buf,
+          FMT_ENABLE_IF(std::is_base_of<buffer<char>, Buf>::value)>
+auto get_buffer(std::back_insert_iterator<Buf> out) -> buffer<char>& {
+  return get_container(out);
+}
 
-template <typename Buffer>
-auto get_iterator(Buffer& buf) -> decltype(buf.out()) {
+template <typename Buf, typename OutputIt>
+FMT_INLINE auto get_iterator(Buf& buf, OutputIt) -> decltype(buf.out()) {
   return buf.out();
 }
-template <typename T> auto get_iterator(buffer<T>& buf) -> buffer_appender<T> {
-  return buffer_appender<T>(buf);
+template <typename T, typename OutputIt>
+auto get_iterator(buffer<T>&, OutputIt out) -> OutputIt {
+  return out;
 }
 
-template <typename T, typename Char = char, typename Enable = void>
-struct fallback_formatter {
-  fallback_formatter() = delete;
-};
-
-// Specifies if T has an enabled fallback_formatter specialization.
-template <typename T, typename Char>
-using has_fallback_formatter =
-#ifdef FMT_DEPRECATED_OSTREAM
-    std::is_constructible<fallback_formatter<T, Char>>;
-#else
-    std::false_type;
-#endif
-
 struct view {};
 
 template <typename Char, typename T> struct named_arg : view {
@@ -1217,7 +1208,6 @@ constexpr auto count_statically_named_args() -> size_t {
 
 struct unformattable {};
 struct unformattable_char : unformattable {};
-struct unformattable_const : unformattable {};
 struct unformattable_pointer : unformattable {};
 
 template <typename Char> struct string_value {
@@ -1291,14 +1281,10 @@ template <typename Context> class value {
     // have different extension points, e.g. `formatter<T>` for `format` and
     // `printf_formatter<T>` for `printf`.
     custom.format = format_custom_arg<
-        value_type,
-        conditional_t<has_formatter<value_type, Context>::value,
-                      typename Context::template formatter_type<value_type>,
-                      fallback_formatter<value_type, char_type>>>;
+        value_type, typename Context::template formatter_type<value_type>>;
   }
   value(unformattable);
   value(unformattable_char);
-  value(unformattable_const);
   value(unformattable_pointer);
 
  private:
@@ -1324,20 +1310,19 @@ enum { long_short = sizeof(long) == sizeof(int) };
 using long_type = conditional_t<long_short, int, long long>;
 using ulong_type = conditional_t<long_short, unsigned, unsigned long long>;
 
-#ifdef __cpp_lib_byte
-inline auto format_as(std::byte b) -> unsigned char {
-  return static_cast<unsigned char>(b);
-}
-#endif
-
-template <typename T> struct has_format_as {
-  template <typename U, typename V = decltype(format_as(U())),
-            FMT_ENABLE_IF(std::is_enum<U>::value&& std::is_integral<V>::value)>
-  static auto check(U*) -> std::true_type;
-  static auto check(...) -> std::false_type;
+template <typename T> struct format_as_result {
+  template <typename U,
+            FMT_ENABLE_IF(std::is_enum<U>::value || std::is_class<U>::value)>
+  static auto map(U*) -> decltype(format_as(std::declval<U>()));
+  static auto map(...) -> void;
 
-  enum { value = decltype(check(static_cast<T*>(nullptr)))::value };
+  using type = decltype(map(static_cast<T*>(nullptr)));
 };
+template <typename T> using format_as_t = typename format_as_result<T>::type;
+
+template <typename T>
+struct has_format_as
+    : bool_constant<!std::is_same<format_as_t<T>, void>::value> {};
 
 // Maps formatting arguments to core types.
 // arg_mapper reports errors by returning unformattable instead of using
@@ -1414,25 +1399,6 @@ template <typename Context> struct arg_mapper {
   FMT_CONSTEXPR FMT_INLINE auto map(const T&) -> unformattable_char {
     return {};
   }
-  template <typename T,
-            FMT_ENABLE_IF(
-                std::is_convertible<T, basic_string_view<char_type>>::value &&
-                !is_string<T>::value && !has_formatter<T, Context>::value &&
-                !has_fallback_formatter<T, char_type>::value)>
-  FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-      -> basic_string_view<char_type> {
-    return basic_string_view<char_type>(val);
-  }
-  template <typename T,
-            FMT_ENABLE_IF(
-                std::is_convertible<T, std_string_view<char_type>>::value &&
-                !std::is_convertible<T, basic_string_view<char_type>>::value &&
-                !is_string<T>::value && !has_formatter<T, Context>::value &&
-                !has_fallback_formatter<T, char_type>::value)>
-  FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-      -> basic_string_view<char_type> {
-    return std_string_view<char_type>(val);
-  }
 
   FMT_CONSTEXPR FMT_INLINE auto map(void* val) -> const void* { return val; }
   FMT_CONSTEXPR FMT_INLINE auto map(const void* val) -> const void* {
@@ -1442,8 +1408,8 @@ template <typename Context> struct arg_mapper {
     return val;
   }
 
-  // We use SFINAE instead of a const T* parameter to avoid conflicting with
-  // the C array overload.
+  // Use SFINAE instead of a const T* parameter to avoid a conflict with the
+  // array overload.
   template <
       typename T,
       FMT_ENABLE_IF(
@@ -1462,54 +1428,34 @@ template <typename Context> struct arg_mapper {
     return values;
   }
 
-  template <typename T,
-            FMT_ENABLE_IF(
-                std::is_enum<T>::value&& std::is_convertible<T, int>::value &&
-                !has_format_as<T>::value && !has_formatter<T, Context>::value &&
-                !has_fallback_formatter<T, char_type>::value)>
-  FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-      -> decltype(std::declval<arg_mapper>().map(
-          static_cast<underlying_t<T>>(val))) {
-    return map(static_cast<underlying_t<T>>(val));
-  }
-
-  template <typename T, FMT_ENABLE_IF(has_format_as<T>::value &&
-                                      !has_formatter<T, Context>::value)>
-  FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-      -> decltype(std::declval<arg_mapper>().map(format_as(T()))) {
+  // Only map owning types because mapping views can be unsafe.
+  template <typename T, typename U = format_as_t<T>,
+            FMT_ENABLE_IF(std::is_arithmetic<U>::value)>
+  FMT_CONSTEXPR FMT_INLINE auto map(const T& val) -> decltype(this->map(U())) {
     return map(format_as(val));
   }
 
   template <typename T, typename U = remove_cvref_t<T>>
   struct formattable
       : bool_constant<has_const_formatter<U, Context>() ||
-                      !std::is_const<remove_reference_t<T>>::value ||
-                      has_fallback_formatter<U, char_type>::value> {};
+                      (has_formatter<U, Context>::value &&
+                       !std::is_const<remove_reference_t<T>>::value)> {};
 
-#if (FMT_MSC_VERSION != 0 && FMT_MSC_VERSION < 1910) || \
-    FMT_ICC_VERSION != 0 || defined(__NVCC__)
-  // Workaround a bug in MSVC and Intel (Issue 2746).
-  template <typename T> FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& {
-    return val;
-  }
-#else
   template <typename T, FMT_ENABLE_IF(formattable<T>::value)>
   FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& {
     return val;
   }
   template <typename T, FMT_ENABLE_IF(!formattable<T>::value)>
-  FMT_CONSTEXPR FMT_INLINE auto do_map(T&&) -> unformattable_const {
+  FMT_CONSTEXPR FMT_INLINE auto do_map(T&&) -> unformattable {
     return {};
   }
-#endif
 
   template <typename T, typename U = remove_cvref_t<T>,
-            FMT_ENABLE_IF(!is_string<U>::value && !is_char<U>::value &&
-                          !std::is_array<U>::value &&
-                          !std::is_pointer<U>::value &&
-                          !has_format_as<U>::value &&
-                          (has_formatter<U, Context>::value ||
-                           has_fallback_formatter<U, char_type>::value))>
+            FMT_ENABLE_IF((std::is_class<U>::value || std::is_enum<U>::value ||
+                           std::is_union<U>::value) &&
+                          !is_string<U>::value && !is_char<U>::value &&
+                          !is_named_arg<U>::value &&
+                          !std::is_arithmetic<format_as_t<U>>::value)>
   FMT_CONSTEXPR FMT_INLINE auto map(T&& val)
       -> decltype(this->do_map(std::forward<T>(val))) {
     return do_map(std::forward<T>(val));
@@ -1517,7 +1463,7 @@ template <typename Context> struct arg_mapper {
 
   template <typename T, FMT_ENABLE_IF(is_named_arg<T>::value)>
   FMT_CONSTEXPR FMT_INLINE auto map(const T& named_arg)
-      -> decltype(std::declval<arg_mapper>().map(named_arg.value)) {
+      -> decltype(this->map(named_arg.value)) {
     return map(named_arg.value);
   }
 
@@ -1535,19 +1481,13 @@ enum { packed_arg_bits = 4 };
 enum { max_packed_args = 62 / packed_arg_bits };
 enum : unsigned long long { is_unpacked_bit = 1ULL << 63 };
 enum : unsigned long long { has_named_args_bit = 1ULL << 62 };
-
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
 
 // An output iterator that appends to a buffer.
 // It is used to reduce symbol sizes for the common case.
 class appender : public std::back_insert_iterator<detail::buffer<char>> {
   using base = std::back_insert_iterator<detail::buffer<char>>;
 
-  template <typename T>
-  friend auto get_buffer(appender out) -> detail::buffer<char>& {
-    return detail::get_container(out);
-  }
-
  public:
   using std::back_insert_iterator<detail::buffer<char>>::back_insert_iterator;
   appender(base it) noexcept : base(it) {}
@@ -1619,6 +1559,7 @@ template <typename Context> class basic_format_arg {
   ``vis(value)`` will be called with the value of type ``double``.
   \endrst
  */
+FMT_MODULE_EXPORT
 template <typename Visitor, typename Context>
 FMT_CONSTEXPR FMT_INLINE auto visit_format_arg(
     Visitor&& vis, const basic_format_arg<Context>& arg) -> decltype(vis(0)) {
@@ -1660,7 +1601,7 @@ FMT_CONSTEXPR FMT_INLINE auto visit_format_arg(
   return vis(monostate());
 }
 
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 
 template <typename Char, typename InputIt>
 auto copy_str(InputIt begin, InputIt end, appender out) -> appender {
@@ -1675,9 +1616,8 @@ FMT_CONSTEXPR auto copy_str(R&& rng, OutputIt out) -> OutputIt {
 
 #if FMT_GCC_VERSION && FMT_GCC_VERSION < 500
 // A workaround for gcc 4.8 to make void_t work in a SFINAE context.
-template <typename... Ts> struct void_t_impl { using type = void; };
-template <typename... Ts>
-using void_t = typename detail::void_t_impl<Ts...>::type;
+template <typename...> struct void_t_impl { using type = void; };
+template <typename... T> using void_t = typename void_t_impl<T...>::type;
 #else
 template <typename...> using void_t = void;
 #endif
@@ -1692,13 +1632,12 @@ struct is_output_iterator<
            decltype(*std::declval<It>() = std::declval<T>())>>
     : std::true_type {};
 
-template <typename OutputIt>
-struct is_back_insert_iterator : std::false_type {};
+template <typename It> struct is_back_insert_iterator : std::false_type {};
 template <typename Container>
 struct is_back_insert_iterator<std::back_insert_iterator<Container>>
     : std::true_type {};
 
-template <typename OutputIt>
+template <typename It>
 struct is_contiguous_back_insert_iterator : std::false_type {};
 template <typename Container>
 struct is_contiguous_back_insert_iterator<std::back_insert_iterator<Container>>
@@ -1712,7 +1651,7 @@ class locale_ref {
   const void* locale_;  // A type-erased pointer to std::locale.
 
  public:
-  constexpr locale_ref() : locale_(nullptr) {}
+  constexpr FMT_INLINE locale_ref() : locale_(nullptr) {}
   template <typename Locale> explicit locale_ref(const Locale& loc);
 
   explicit operator bool() const noexcept { return locale_ != nullptr; }
@@ -1732,27 +1671,22 @@ constexpr auto encode_types() -> unsigned long long {
 
 template <typename Context, typename T>
 FMT_CONSTEXPR FMT_INLINE auto make_value(T&& val) -> value<Context> {
-  const auto& arg = arg_mapper<Context>().map(FMT_FORWARD(val));
+  auto&& arg = arg_mapper<Context>().map(FMT_FORWARD(val));
+  using arg_type = remove_cvref_t<decltype(arg)>;
 
   constexpr bool formattable_char =
-      !std::is_same<decltype(arg), const unformattable_char&>::value;
+      !std::is_same<arg_type, unformattable_char>::value;
   static_assert(formattable_char, "Mixing character types is disallowed.");
 
-  constexpr bool formattable_const =
-      !std::is_same<decltype(arg), const unformattable_const&>::value;
-  static_assert(formattable_const, "Cannot format a const argument.");
-
-  // Formatting of arbitrary pointers is disallowed. If you want to output
-  // a pointer cast it to "void *" or "const void *". In particular, this
-  // forbids formatting of "[const] volatile char *" which is printed as bool
-  // by iostreams.
+  // Formatting of arbitrary pointers is disallowed. If you want to format a
+  // pointer cast it to `void*` or `const void*`. In particular, this forbids
+  // formatting of `[const] volatile char*` printed as bool by iostreams.
   constexpr bool formattable_pointer =
-      !std::is_same<decltype(arg), const unformattable_pointer&>::value;
+      !std::is_same<arg_type, unformattable_pointer>::value;
   static_assert(formattable_pointer,
                 "Formatting of non-void pointers is disallowed.");
 
-  constexpr bool formattable =
-      !std::is_same<decltype(arg), const unformattable&>::value;
+  constexpr bool formattable = !std::is_same<arg_type, unformattable>::value;
   static_assert(
       formattable,
       "Cannot format an argument. To make type T formattable provide a "
@@ -1762,15 +1696,15 @@ FMT_CONSTEXPR FMT_INLINE auto make_value(T&& val) -> value<Context> {
 
 template <typename Context, typename T>
 FMT_CONSTEXPR auto make_arg(T&& value) -> basic_format_arg<Context> {
-  basic_format_arg<Context> arg;
+  auto arg = basic_format_arg<Context>();
   arg.type_ = mapped_type_constant<T, Context>::value;
   arg.value_ = make_value<Context>(value);
   return arg;
 }
 
-// The type template parameter is there to avoid an ODR violation when using
-// a fallback formatter in one translation unit and an implicit conversion in
-// another (not recommended).
+// The DEPRECATED type template parameter is there to avoid an ODR violation
+// when using a fallback formatter in one translation unit and an implicit
+// conversion in another (not recommended).
 template <bool IS_PACKED, typename Context, type, typename T,
           FMT_ENABLE_IF(IS_PACKED)>
 FMT_CONSTEXPR FMT_INLINE auto make_arg(T&& val) -> value<Context> {
@@ -1782,14 +1716,11 @@ template <bool IS_PACKED, typename Context, type, typename T,
 FMT_CONSTEXPR inline auto make_arg(T&& value) -> basic_format_arg<Context> {
   return make_arg<Context>(value);
 }
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
+FMT_BEGIN_EXPORT
 
 // Formatting context.
 template <typename OutputIt, typename Char> class basic_format_context {
- public:
-  /** The character type for the output. */
-  using char_type = Char;
-
  private:
   OutputIt out_;
   basic_format_args<basic_format_context> args_;
@@ -1798,31 +1729,32 @@ template <typename OutputIt, typename Char> class basic_format_context {
  public:
   using iterator = OutputIt;
   using format_arg = basic_format_arg<basic_format_context>;
+  using format_args = basic_format_args<basic_format_context>;
   using parse_context_type = basic_format_parse_context<Char>;
-  template <typename T> using formatter_type = formatter<T, char_type>;
+  template <typename T> using formatter_type = formatter<T, Char>;
+
+  /** The character type for the output. */
+  using char_type = Char;
 
   basic_format_context(basic_format_context&&) = default;
   basic_format_context(const basic_format_context&) = delete;
   void operator=(const basic_format_context&) = delete;
   /**
-   Constructs a ``basic_format_context`` object. References to the arguments are
-   stored in the object so make sure they have appropriate lifetimes.
+    Constructs a ``basic_format_context`` object. References to the arguments
+    are stored in the object so make sure they have appropriate lifetimes.
    */
-  constexpr basic_format_context(
-      OutputIt out, basic_format_args<basic_format_context> ctx_args,
-      detail::locale_ref loc = detail::locale_ref())
+  constexpr basic_format_context(OutputIt out, format_args ctx_args,
+                                 detail::locale_ref loc = {})
       : out_(out), args_(ctx_args), loc_(loc) {}
 
   constexpr auto arg(int id) const -> format_arg { return args_.get(id); }
-  FMT_CONSTEXPR auto arg(basic_string_view<char_type> name) -> format_arg {
+  FMT_CONSTEXPR auto arg(basic_string_view<Char> name) -> format_arg {
     return args_.get(name);
   }
-  FMT_CONSTEXPR auto arg_id(basic_string_view<char_type> name) -> int {
+  FMT_CONSTEXPR auto arg_id(basic_string_view<Char> name) -> int {
     return args_.get_id(name);
   }
-  auto args() const -> const basic_format_args<basic_format_context>& {
-    return args_;
-  }
+  auto args() const -> const format_args& { return args_; }
 
   FMT_CONSTEXPR auto error_handler() -> detail::error_handler { return {}; }
   void on_error(const char* message) { error_handler().on_error(message); }
@@ -1843,16 +1775,10 @@ using buffer_context =
     basic_format_context<detail::buffer_appender<Char>, Char>;
 using format_context = buffer_context<char>;
 
-// Workaround an alias issue: https://stackoverflow.com/q/62767544/471164.
-#define FMT_BUFFER_CONTEXT(Char) \
-  basic_format_context<detail::buffer_appender<Char>, Char>
-
 template <typename T, typename Char = char>
-using is_formattable = bool_constant<
-    !std::is_base_of<detail::unformattable,
-                     decltype(detail::arg_mapper<buffer_context<Char>>().map(
-                         std::declval<T>()))>::value &&
-    !detail::has_fallback_formatter<T, Char>::value>;
+using is_formattable = bool_constant<!std::is_base_of<
+    detail::unformattable, decltype(detail::arg_mapper<buffer_context<Char>>()
+                                        .map(std::declval<T>()))>::value>;
 
 /**
   \rst
@@ -1912,9 +1838,9 @@ class format_arg_store
   See `~fmt::arg` for lifetime considerations.
   \endrst
  */
-template <typename Context = format_context, typename... Args>
-constexpr auto make_format_args(Args&&... args)
-    -> format_arg_store<Context, remove_cvref_t<Args>...> {
+template <typename Context = format_context, typename... T>
+constexpr auto make_format_args(T&&... args)
+    -> format_arg_store<Context, remove_cvref_t<T>...> {
   return {FMT_FORWARD(args)...};
 }
 
@@ -1934,6 +1860,7 @@ inline auto arg(const Char* name, const T& arg) -> detail::named_arg<Char, T> {
   static_assert(!detail::is_named_arg<T>(), "nested named arguments");
   return {name, arg};
 }
+FMT_END_EXPORT
 
 /**
   \rst
@@ -2059,7 +1986,7 @@ template <typename Context> class basic_format_args {
 /** An alias to ``basic_format_args<format_context>``. */
 // A separate type would result in shorter symbols but break ABI compatibility
 // between clang and gcc on ARM (#1919).
-using format_args = basic_format_args<format_context>;
+FMT_MODULE_EXPORT using format_args = basic_format_args<format_context>;
 
 // We cannot use enum classes as bit fields because of a gcc bug, so we put them
 // in namespaces instead (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414).
@@ -2080,7 +2007,7 @@ enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, minus, plus, space};
 }
 using sign_t = sign::type;
 
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 
 // Workaround an array initialization issue in gcc 4.8.
 template <typename Char> struct fill_t {
@@ -2092,7 +2019,7 @@ template <typename Char> struct fill_t {
  public:
   FMT_CONSTEXPR void operator=(basic_string_view<Char> s) {
     auto size = s.size();
-    if (size > max_size) return throw_format_error("invalid fill");
+    FMT_ASSERT(size <= max_size, "invalid fill");
     for (size_t i = 0; i < size; ++i) data_[i] = s[i];
     size_ = static_cast<unsigned char>(size);
   }
@@ -2105,11 +2032,10 @@ template <typename Char> struct fill_t {
     return data_[index];
   }
 };
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
 
 enum class presentation_type : unsigned char {
   none,
-  // Integer types should go first,
   dec,             // 'd'
   oct,             // 'o'
   hex_lower,       // 'x'
@@ -2131,7 +2057,7 @@ enum class presentation_type : unsigned char {
 };
 
 // Format specifiers for built-in and string types.
-template <typename Char> struct basic_format_specs {
+template <typename Char = char> struct format_specs {
   int width;
   int precision;
   presentation_type type;
@@ -2141,7 +2067,7 @@ template <typename Char> struct basic_format_specs {
   bool localized : 1;
   detail::fill_t<Char> fill;
 
-  constexpr basic_format_specs()
+  constexpr format_specs()
       : width(0),
         precision(-1),
         type(presentation_type::none),
@@ -2151,9 +2077,7 @@ template <typename Char> struct basic_format_specs {
         localized(false) {}
 };
 
-using format_specs = basic_format_specs<char>;
-
-FMT_BEGIN_DETAIL_NAMESPACE
+namespace detail {
 
 enum class arg_id_kind { none, index, name };
 
@@ -2174,7 +2098,7 @@ template <typename Char> struct arg_ref {
 
   arg_id_kind kind;
   union value {
-    FMT_CONSTEXPR value(int id = 0) : index{id} {}
+    FMT_CONSTEXPR value(int idx = 0) : index(idx) {}
     FMT_CONSTEXPR value(basic_string_view<Char> n) : name(n) {}
 
     int index;
@@ -2183,134 +2107,30 @@ template <typename Char> struct arg_ref {
 };
 
 // Format specifiers with width and precision resolved at formatting rather
-// than parsing time to allow re-using the same parsed specifiers with
+// than parsing time to allow reusing the same parsed specifiers with
 // different sets of arguments (precompilation of format strings).
-template <typename Char>
-struct dynamic_format_specs : basic_format_specs<Char> {
+template <typename Char = char>
+struct dynamic_format_specs : format_specs<Char> {
   arg_ref<Char> width_ref;
   arg_ref<Char> precision_ref;
 };
 
-struct auto_id {};
-
-// A format specifier handler that sets fields in basic_format_specs.
-template <typename Char> class specs_setter {
- protected:
-  basic_format_specs<Char>& specs_;
-
- public:
-  explicit FMT_CONSTEXPR specs_setter(basic_format_specs<Char>& specs)
-      : specs_(specs) {}
-
-  FMT_CONSTEXPR specs_setter(const specs_setter& other)
-      : specs_(other.specs_) {}
-
-  FMT_CONSTEXPR void on_align(align_t align) { specs_.align = align; }
-  FMT_CONSTEXPR void on_fill(basic_string_view<Char> fill) {
-    specs_.fill = fill;
-  }
-  FMT_CONSTEXPR void on_sign(sign_t s) { specs_.sign = s; }
-  FMT_CONSTEXPR void on_hash() { specs_.alt = true; }
-  FMT_CONSTEXPR void on_localized() { specs_.localized = true; }
-
-  FMT_CONSTEXPR void on_zero() {
-    if (specs_.align == align::none) specs_.align = align::numeric;
-    specs_.fill[0] = Char('0');
-  }
-
-  FMT_CONSTEXPR void on_width(int width) { specs_.width = width; }
-  FMT_CONSTEXPR void on_precision(int precision) {
-    specs_.precision = precision;
-  }
-  FMT_CONSTEXPR void end_precision() {}
-
-  FMT_CONSTEXPR void on_type(presentation_type type) { specs_.type = type; }
-};
-
-// Format spec handler that saves references to arguments representing dynamic
-// width and precision to be resolved at formatting time.
-template <typename ParseContext>
-class dynamic_specs_handler
-    : public specs_setter<typename ParseContext::char_type> {
- public:
-  using char_type = typename ParseContext::char_type;
-
-  FMT_CONSTEXPR dynamic_specs_handler(dynamic_format_specs<char_type>& specs,
-                                      ParseContext& ctx)
-      : specs_setter<char_type>(specs), specs_(specs), context_(ctx) {}
-
-  FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler& other)
-      : specs_setter<char_type>(other),
-        specs_(other.specs_),
-        context_(other.context_) {}
-
-  template <typename Id> FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
-    specs_.width_ref = make_arg_ref(arg_id);
-  }
-
-  template <typename Id> FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
-    specs_.precision_ref = make_arg_ref(arg_id);
-  }
-
-  FMT_CONSTEXPR void on_error(const char* message) {
-    context_.on_error(message);
-  }
-
- private:
-  dynamic_format_specs<char_type>& specs_;
-  ParseContext& context_;
-
-  using arg_ref_type = arg_ref<char_type>;
-
-  FMT_CONSTEXPR auto make_arg_ref(int arg_id) -> arg_ref_type {
-    context_.check_arg_id(arg_id);
-    context_.check_dynamic_spec(arg_id);
-    return arg_ref_type(arg_id);
-  }
-
-  FMT_CONSTEXPR auto make_arg_ref(auto_id) -> arg_ref_type {
-    int arg_id = context_.next_arg_id();
-    context_.check_dynamic_spec(arg_id);
-    return arg_ref_type(arg_id);
-  }
-
-  FMT_CONSTEXPR auto make_arg_ref(basic_string_view<char_type> arg_id)
-      -> arg_ref_type {
-    context_.check_arg_id(arg_id);
-    basic_string_view<char_type> format_str(
-        context_.begin(), to_unsigned(context_.end() - context_.begin()));
-    return arg_ref_type(arg_id);
-  }
-};
-
-template <typename Char> constexpr bool is_ascii_letter(Char c) {
-  return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
-}
-
-// Converts a character to ASCII. Returns a number > 127 on conversion failure.
+// Converts a character to ASCII. Returns '\0' on conversion failure.
 template <typename Char, FMT_ENABLE_IF(std::is_integral<Char>::value)>
-constexpr auto to_ascii(Char c) -> Char {
-  return c;
+constexpr auto to_ascii(Char c) -> char {
+  return c <= 0xff ? static_cast<char>(c) : '\0';
 }
 template <typename Char, FMT_ENABLE_IF(std::is_enum<Char>::value)>
-constexpr auto to_ascii(Char c) -> underlying_t<Char> {
-  return c;
-}
-
-FMT_CONSTEXPR inline auto code_point_length_impl(char c) -> int {
-  return "\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\2\2\2\2\3\3\4"
-      [static_cast<unsigned char>(c) >> 3];
+constexpr auto to_ascii(Char c) -> char {
+  return c <= 0xff ? static_cast<char>(c) : '\0';
 }
 
+// Returns the number of code units in a code point or 1 on error.
 template <typename Char>
 FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int {
   if (const_check(sizeof(Char) != 1)) return 1;
-  int len = code_point_length_impl(static_cast<char>(*begin));
-
-  // Compute the pointer to the next character early so that the next
-  // iteration can start working on the next character. Neither Clang
-  // nor GCC figure out this reordering on their own.
-  return len + !len;
+  auto c = static_cast<unsigned char>(*begin);
+  return static_cast<int>((0x3a55000000000000ull >> (2 * (c >> 3))) & 0x3) + 1;
 }
 
 // Return the result via the out param to workaround gcc bug 77539.
@@ -2355,279 +2175,284 @@ FMT_CONSTEXPR auto parse_nonnegative_int(const Char*& begin, const Char* end,
              : error_value;
 }
 
-// Parses fill and alignment.
-template <typename Char, typename Handler>
-FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end,
-                               Handler&& handler) -> const Char* {
-  FMT_ASSERT(begin != end, "");
-  auto align = align::none;
-  auto p = begin + code_point_length(begin);
-  if (end - p <= 0) p = begin;
-  for (;;) {
-    switch (to_ascii(*p)) {
-    case '<':
-      align = align::left;
-      break;
-    case '>':
-      align = align::right;
-      break;
-    case '^':
-      align = align::center;
-      break;
-    default:
-      break;
-    }
-    if (align != align::none) {
-      if (p != begin) {
-        auto c = *begin;
-        if (c == '{')
-          return handler.on_error("invalid fill character '{'"), begin;
-        handler.on_fill(basic_string_view<Char>(begin, to_unsigned(p - begin)));
-        begin = p + 1;
-      } else
-        ++begin;
-      handler.on_align(align);
-      break;
-    } else if (p == begin) {
-      break;
-    }
-    p = begin;
+FMT_CONSTEXPR inline auto parse_align(char c) -> align_t {
+  switch (c) {
+  case '<':
+    return align::left;
+  case '>':
+    return align::right;
+  case '^':
+    return align::center;
   }
-  return begin;
+  return align::none;
 }
 
-template <typename Char> FMT_CONSTEXPR bool is_name_start(Char c) {
-  return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
+template <typename Char> constexpr auto is_name_start(Char c) -> bool {
+  return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '_';
 }
 
-template <typename Char, typename IDHandler>
+template <typename Char, typename Handler>
 FMT_CONSTEXPR auto do_parse_arg_id(const Char* begin, const Char* end,
-                                   IDHandler&& handler) -> const Char* {
-  FMT_ASSERT(begin != end, "");
+                                   Handler&& handler) -> const Char* {
   Char c = *begin;
   if (c >= '0' && c <= '9') {
     int index = 0;
+    constexpr int max = (std::numeric_limits<int>::max)();
     if (c != '0')
-      index =
-          parse_nonnegative_int(begin, end, (std::numeric_limits<int>::max)());
+      index = parse_nonnegative_int(begin, end, max);
     else
       ++begin;
     if (begin == end || (*begin != '}' && *begin != ':'))
-      handler.on_error("invalid format string");
+      throw_format_error("invalid format string");
     else
-      handler(index);
+      handler.on_index(index);
     return begin;
   }
   if (!is_name_start(c)) {
-    handler.on_error("invalid format string");
+    throw_format_error("invalid format string");
     return begin;
   }
   auto it = begin;
   do {
     ++it;
-  } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9')));
-  handler(basic_string_view<Char>(begin, to_unsigned(it - begin)));
+  } while (it != end && (is_name_start(*it) || ('0' <= *it && *it <= '9')));
+  handler.on_name({begin, to_unsigned(it - begin)});
   return it;
 }
 
-template <typename Char, typename IDHandler>
+template <typename Char, typename Handler>
 FMT_CONSTEXPR FMT_INLINE auto parse_arg_id(const Char* begin, const Char* end,
-                                           IDHandler&& handler) -> const Char* {
+                                           Handler&& handler) -> const Char* {
+  FMT_ASSERT(begin != end, "");
   Char c = *begin;
   if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler);
-  handler();
+  handler.on_auto();
   return begin;
 }
 
-template <typename Char, typename Handler>
-FMT_CONSTEXPR auto parse_width(const Char* begin, const Char* end,
-                               Handler&& handler) -> const Char* {
-  using detail::auto_id;
-  struct width_adapter {
-    Handler& handler;
+template <typename Char> struct dynamic_spec_id_handler {
+  basic_format_parse_context<Char>& ctx;
+  arg_ref<Char>& ref;
 
-    FMT_CONSTEXPR void operator()() { handler.on_dynamic_width(auto_id()); }
-    FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_width(id); }
-    FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
-      handler.on_dynamic_width(id);
-    }
-    FMT_CONSTEXPR void on_error(const char* message) {
-      if (message) handler.on_error(message);
-    }
-  };
+  FMT_CONSTEXPR void on_auto() {
+    int id = ctx.next_arg_id();
+    ref = arg_ref<Char>(id);
+    ctx.check_dynamic_spec(id);
+  }
+  FMT_CONSTEXPR void on_index(int id) {
+    ref = arg_ref<Char>(id);
+    ctx.check_arg_id(id);
+    ctx.check_dynamic_spec(id);
+  }
+  FMT_CONSTEXPR void on_name(basic_string_view<Char> id) {
+    ref = arg_ref<Char>(id);
+    ctx.check_arg_id(id);
+  }
+};
 
+// Parses [integer | "{" [arg_id] "}"].
+template <typename Char>
+FMT_CONSTEXPR auto parse_dynamic_spec(const Char* begin, const Char* end,
+                                      int& value, arg_ref<Char>& ref,
+                                      basic_format_parse_context<Char>& ctx)
+    -> const Char* {
   FMT_ASSERT(begin != end, "");
   if ('0' <= *begin && *begin <= '9') {
-    int width = parse_nonnegative_int(begin, end, -1);
-    if (width != -1)
-      handler.on_width(width);
+    int val = parse_nonnegative_int(begin, end, -1);
+    if (val != -1)
+      value = val;
     else
-      handler.on_error("number is too big");
+      throw_format_error("number is too big");
   } else if (*begin == '{') {
     ++begin;
-    if (begin != end) begin = parse_arg_id(begin, end, width_adapter{handler});
-    if (begin == end || *begin != '}')
-      return handler.on_error("invalid format string"), begin;
-    ++begin;
-  }
-  return begin;
-}
-
-template <typename Char, typename Handler>
-FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end,
-                                   Handler&& handler) -> const Char* {
-  using detail::auto_id;
-  struct precision_adapter {
-    Handler& handler;
-
-    FMT_CONSTEXPR void operator()() { handler.on_dynamic_precision(auto_id()); }
-    FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_precision(id); }
-    FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
-      handler.on_dynamic_precision(id);
-    }
-    FMT_CONSTEXPR void on_error(const char* message) {
-      if (message) handler.on_error(message);
-    }
-  };
-
-  ++begin;
-  auto c = begin != end ? *begin : Char();
-  if ('0' <= c && c <= '9') {
-    auto precision = parse_nonnegative_int(begin, end, -1);
-    if (precision != -1)
-      handler.on_precision(precision);
-    else
-      handler.on_error("number is too big");
-  } else if (c == '{') {
-    ++begin;
-    if (begin != end)
-      begin = parse_arg_id(begin, end, precision_adapter{handler});
-    if (begin == end || *begin++ != '}')
-      return handler.on_error("invalid format string"), begin;
-  } else {
-    return handler.on_error("missing precision specifier"), begin;
+    auto handler = dynamic_spec_id_handler<Char>{ctx, ref};
+    if (begin != end) begin = parse_arg_id(begin, end, handler);
+    if (begin != end && *begin == '}') return ++begin;
+    throw_format_error("invalid format string");
   }
-  handler.end_precision();
   return begin;
 }
 
 template <typename Char>
-FMT_CONSTEXPR auto parse_presentation_type(Char type) -> presentation_type {
-  switch (to_ascii(type)) {
-  case 'd':
-    return presentation_type::dec;
-  case 'o':
-    return presentation_type::oct;
-  case 'x':
-    return presentation_type::hex_lower;
-  case 'X':
-    return presentation_type::hex_upper;
-  case 'b':
-    return presentation_type::bin_lower;
-  case 'B':
-    return presentation_type::bin_upper;
-  case 'a':
-    return presentation_type::hexfloat_lower;
-  case 'A':
-    return presentation_type::hexfloat_upper;
-  case 'e':
-    return presentation_type::exp_lower;
-  case 'E':
-    return presentation_type::exp_upper;
-  case 'f':
-    return presentation_type::fixed_lower;
-  case 'F':
-    return presentation_type::fixed_upper;
-  case 'g':
-    return presentation_type::general_lower;
-  case 'G':
-    return presentation_type::general_upper;
-  case 'c':
-    return presentation_type::chr;
-  case 's':
-    return presentation_type::string;
-  case 'p':
-    return presentation_type::pointer;
-  case '?':
-    return presentation_type::debug;
-  default:
-    return presentation_type::none;
-  }
-}
-
-// Parses standard format specifiers and sends notifications about parsed
-// components to handler.
-template <typename Char, typename SpecHandler>
-FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(const Char* begin,
-                                                 const Char* end,
-                                                 SpecHandler&& handler)
+FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end,
+                                   int& value, arg_ref<Char>& ref,
+                                   basic_format_parse_context<Char>& ctx)
     -> const Char* {
-  if (1 < end - begin && begin[1] == '}' && is_ascii_letter(*begin) &&
-      *begin != 'L') {
-    presentation_type type = parse_presentation_type(*begin++);
-    if (type == presentation_type::none)
-      handler.on_error("invalid type specifier");
-    handler.on_type(type);
+  ++begin;
+  if (begin == end || *begin == '}') {
+    throw_format_error("invalid precision");
     return begin;
   }
+  return parse_dynamic_spec(begin, end, value, ref, ctx);
+}
 
-  if (begin == end) return begin;
-
-  begin = parse_align(begin, end, handler);
-  if (begin == end) return begin;
-
-  // Parse sign.
-  switch (to_ascii(*begin)) {
-  case '+':
-    handler.on_sign(sign::plus);
-    ++begin;
-    break;
-  case '-':
-    handler.on_sign(sign::minus);
-    ++begin;
-    break;
-  case ' ':
-    handler.on_sign(sign::space);
-    ++begin;
-    break;
-  default:
-    break;
-  }
-  if (begin == end) return begin;
-
-  if (*begin == '#') {
-    handler.on_hash();
-    if (++begin == end) return begin;
-  }
-
-  // Parse zero flag.
-  if (*begin == '0') {
-    handler.on_zero();
-    if (++begin == end) return begin;
-  }
-
-  begin = parse_width(begin, end, handler);
-  if (begin == end) return begin;
+enum class state { start, align, sign, hash, zero, width, precision, locale };
 
-  // Parse precision.
-  if (*begin == '.') {
-    begin = parse_precision(begin, end, handler);
+// Parses standard format specifiers.
+template <typename Char>
+FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(
+    const Char* begin, const Char* end, dynamic_format_specs<Char>& specs,
+    basic_format_parse_context<Char>& ctx, type arg_type) -> const Char* {
+  auto c = '\0';
+  if (end - begin > 1) {
+    auto next = to_ascii(begin[1]);
+    c = parse_align(next) == align::none ? to_ascii(*begin) : '\0';
+  } else {
     if (begin == end) return begin;
+    c = to_ascii(*begin);
   }
 
-  if (*begin == 'L') {
-    handler.on_localized();
-    ++begin;
-  }
+  struct {
+    state current_state = state::start;
+    FMT_CONSTEXPR void operator()(state s, bool valid = true) {
+      if (current_state >= s || !valid)
+        throw_format_error("invalid format specifier");
+      current_state = s;
+    }
+  } enter_state;
+
+  using pres = presentation_type;
+  constexpr auto integral_set = sint_set | uint_set | bool_set | char_set;
+  struct {
+    const Char*& begin;
+    dynamic_format_specs<Char>& specs;
+    type arg_type;
+
+    FMT_CONSTEXPR auto operator()(pres type, int set) -> const Char* {
+      if (!in(arg_type, set)) throw_format_error("invalid format specifier");
+      specs.type = type;
+      return begin + 1;
+    }
+  } parse_presentation_type{begin, specs, arg_type};
 
-  // Parse type.
-  if (begin != end && *begin != '}') {
-    presentation_type type = parse_presentation_type(*begin++);
-    if (type == presentation_type::none)
-      handler.on_error("invalid type specifier");
-    handler.on_type(type);
+  for (;;) {
+    switch (c) {
+    case '<':
+    case '>':
+    case '^':
+      enter_state(state::align);
+      specs.align = parse_align(c);
+      ++begin;
+      break;
+    case '+':
+    case '-':
+    case ' ':
+      enter_state(state::sign, in(arg_type, sint_set | float_set));
+      switch (c) {
+      case '+':
+        specs.sign = sign::plus;
+        break;
+      case '-':
+        specs.sign = sign::minus;
+        break;
+      case ' ':
+        specs.sign = sign::space;
+        break;
+      }
+      ++begin;
+      break;
+    case '#':
+      enter_state(state::hash, is_arithmetic_type(arg_type));
+      specs.alt = true;
+      ++begin;
+      break;
+    case '0':
+      enter_state(state::zero);
+      if (!is_arithmetic_type(arg_type))
+        throw_format_error("format specifier requires numeric argument");
+      if (specs.align == align::none) {
+        // Ignore 0 if align is specified for compatibility with std::format.
+        specs.align = align::numeric;
+        specs.fill[0] = Char('0');
+      }
+      ++begin;
+      break;
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+    case '{':
+      enter_state(state::width);
+      begin = parse_dynamic_spec(begin, end, specs.width, specs.width_ref, ctx);
+      break;
+    case '.':
+      enter_state(state::precision,
+                  in(arg_type, float_set | string_set | cstring_set));
+      begin = parse_precision(begin, end, specs.precision, specs.precision_ref,
+                              ctx);
+      break;
+    case 'L':
+      enter_state(state::locale, is_arithmetic_type(arg_type));
+      specs.localized = true;
+      ++begin;
+      break;
+    case 'd':
+      return parse_presentation_type(pres::dec, integral_set);
+    case 'o':
+      return parse_presentation_type(pres::oct, integral_set);
+    case 'x':
+      return parse_presentation_type(pres::hex_lower, integral_set);
+    case 'X':
+      return parse_presentation_type(pres::hex_upper, integral_set);
+    case 'b':
+      return parse_presentation_type(pres::bin_lower, integral_set);
+    case 'B':
+      return parse_presentation_type(pres::bin_upper, integral_set);
+    case 'a':
+      return parse_presentation_type(pres::hexfloat_lower, float_set);
+    case 'A':
+      return parse_presentation_type(pres::hexfloat_upper, float_set);
+    case 'e':
+      return parse_presentation_type(pres::exp_lower, float_set);
+    case 'E':
+      return parse_presentation_type(pres::exp_upper, float_set);
+    case 'f':
+      return parse_presentation_type(pres::fixed_lower, float_set);
+    case 'F':
+      return parse_presentation_type(pres::fixed_upper, float_set);
+    case 'g':
+      return parse_presentation_type(pres::general_lower, float_set);
+    case 'G':
+      return parse_presentation_type(pres::general_upper, float_set);
+    case 'c':
+      return parse_presentation_type(pres::chr, integral_set);
+    case 's':
+      return parse_presentation_type(pres::string,
+                                     bool_set | string_set | cstring_set);
+    case 'p':
+      return parse_presentation_type(pres::pointer, pointer_set | cstring_set);
+    case '?':
+      return parse_presentation_type(pres::debug,
+                                     char_set | string_set | cstring_set);
+    case '}':
+      return begin;
+    default: {
+      if (*begin == '}') return begin;
+      // Parse fill and alignment.
+      auto fill_end = begin + code_point_length(begin);
+      if (end - fill_end <= 0) {
+        throw_format_error("invalid format specifier");
+        return begin;
+      }
+      if (*begin == '{') {
+        throw_format_error("invalid fill character '{'");
+        return begin;
+      }
+      auto align = parse_align(to_ascii(*fill_end));
+      enter_state(state::align, align != align::none);
+      specs.fill = {begin, to_unsigned(fill_end - begin)};
+      specs.align = align;
+      begin = fill_end + 1;
+    }
+    }
+    if (begin == end) return begin;
+    c = to_ascii(*begin);
   }
-  return begin;
 }
 
 template <typename Char, typename Handler>
@@ -2637,14 +2462,11 @@ FMT_CONSTEXPR auto parse_replacement_field(const Char* begin, const Char* end,
     Handler& handler;
     int arg_id;
 
-    FMT_CONSTEXPR void operator()() { arg_id = handler.on_arg_id(); }
-    FMT_CONSTEXPR void operator()(int id) { arg_id = handler.on_arg_id(id); }
-    FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
+    FMT_CONSTEXPR void on_auto() { arg_id = handler.on_arg_id(); }
+    FMT_CONSTEXPR void on_index(int id) { arg_id = handler.on_arg_id(id); }
+    FMT_CONSTEXPR void on_name(basic_string_view<Char> id) {
       arg_id = handler.on_arg_id(id);
     }
-    FMT_CONSTEXPR void on_error(const char* message) {
-      if (message) handler.on_error(message);
-    }
   };
 
   ++begin;
@@ -2673,9 +2495,6 @@ FMT_CONSTEXPR auto parse_replacement_field(const Char* begin, const Char* end,
 template <bool IS_CONSTEXPR, typename Char, typename Handler>
 FMT_CONSTEXPR FMT_INLINE void parse_format_string(
     basic_string_view<Char> format_str, Handler&& handler) {
-  // Workaround a name-lookup bug in MSVC's modules implementation.
-  using detail::find;
-
   auto begin = format_str.data();
   auto end = begin + format_str.size();
   if (end - begin < 32) {
@@ -2735,183 +2554,32 @@ FMT_CONSTEXPR auto parse_format_specs(ParseContext& ctx)
     -> decltype(ctx.begin()) {
   using char_type = typename ParseContext::char_type;
   using context = buffer_context<char_type>;
-  using stripped_type = typename strip_named_arg<T>::type;
   using mapped_type = conditional_t<
       mapped_type_constant<T, context>::value != type::custom_type,
       decltype(arg_mapper<context>().map(std::declval<const T&>())),
-      stripped_type>;
-  auto f = conditional_t<has_formatter<mapped_type, context>::value,
-                         formatter<mapped_type, char_type>,
-                         fallback_formatter<stripped_type, char_type>>();
-  return f.parse(ctx);
-}
-
-template <typename ErrorHandler>
-FMT_CONSTEXPR void check_int_type_spec(presentation_type type,
-                                       ErrorHandler&& eh) {
-  if (type > presentation_type::bin_upper && type != presentation_type::chr)
-    eh.on_error("invalid type specifier");
+      typename strip_named_arg<T>::type>;
+  return formatter<mapped_type, char_type>().parse(ctx);
 }
 
-// Checks char specs and returns true if the type spec is char (and not int).
-template <typename Char, typename ErrorHandler = error_handler>
-FMT_CONSTEXPR auto check_char_specs(const basic_format_specs<Char>& specs,
-                                    ErrorHandler&& eh = {}) -> bool {
+// Checks char specs and returns true iff the presentation type is char-like.
+template <typename Char>
+FMT_CONSTEXPR auto check_char_specs(const format_specs<Char>& specs) -> bool {
   if (specs.type != presentation_type::none &&
       specs.type != presentation_type::chr &&
       specs.type != presentation_type::debug) {
-    check_int_type_spec(specs.type, eh);
     return false;
   }
   if (specs.align == align::numeric || specs.sign != sign::none || specs.alt)
-    eh.on_error("invalid format specifier for char");
+    throw_format_error("invalid format specifier for char");
   return true;
 }
 
-// A floating-point presentation format.
-enum class float_format : unsigned char {
-  general,  // General: exponent notation or fixed point based on magnitude.
-  exp,      // Exponent notation with the default precision of 6, e.g. 1.2e-3.
-  fixed,    // Fixed point with the default precision of 6, e.g. 0.0012.
-  hex
-};
-
-struct float_specs {
-  int precision;
-  float_format format : 8;
-  sign_t sign : 8;
-  bool upper : 1;
-  bool locale : 1;
-  bool binary32 : 1;
-  bool showpoint : 1;
-};
-
-template <typename ErrorHandler = error_handler, typename Char>
-FMT_CONSTEXPR auto parse_float_type_spec(const basic_format_specs<Char>& specs,
-                                         ErrorHandler&& eh = {})
-    -> float_specs {
-  auto result = float_specs();
-  result.showpoint = specs.alt;
-  result.locale = specs.localized;
-  switch (specs.type) {
-  case presentation_type::none:
-    result.format = float_format::general;
-    break;
-  case presentation_type::general_upper:
-    result.upper = true;
-    FMT_FALLTHROUGH;
-  case presentation_type::general_lower:
-    result.format = float_format::general;
-    break;
-  case presentation_type::exp_upper:
-    result.upper = true;
-    FMT_FALLTHROUGH;
-  case presentation_type::exp_lower:
-    result.format = float_format::exp;
-    result.showpoint |= specs.precision != 0;
-    break;
-  case presentation_type::fixed_upper:
-    result.upper = true;
-    FMT_FALLTHROUGH;
-  case presentation_type::fixed_lower:
-    result.format = float_format::fixed;
-    result.showpoint |= specs.precision != 0;
-    break;
-  case presentation_type::hexfloat_upper:
-    result.upper = true;
-    FMT_FALLTHROUGH;
-  case presentation_type::hexfloat_lower:
-    result.format = float_format::hex;
-    break;
-  default:
-    eh.on_error("invalid type specifier");
-    break;
-  }
-  return result;
-}
-
-template <typename ErrorHandler = error_handler>
-FMT_CONSTEXPR auto check_cstring_type_spec(presentation_type type,
-                                           ErrorHandler&& eh = {}) -> bool {
-  if (type == presentation_type::none || type == presentation_type::string ||
-      type == presentation_type::debug)
-    return true;
-  if (type != presentation_type::pointer) eh.on_error("invalid type specifier");
-  return false;
-}
-
-template <typename ErrorHandler = error_handler>
-FMT_CONSTEXPR void check_string_type_spec(presentation_type type,
-                                          ErrorHandler&& eh = {}) {
-  if (type != presentation_type::none && type != presentation_type::string &&
-      type != presentation_type::debug)
-    eh.on_error("invalid type specifier");
-}
-
-template <typename ErrorHandler>
-FMT_CONSTEXPR void check_pointer_type_spec(presentation_type type,
-                                           ErrorHandler&& eh) {
-  if (type != presentation_type::none && type != presentation_type::pointer)
-    eh.on_error("invalid type specifier");
-}
-
-// A parse_format_specs handler that checks if specifiers are consistent with
-// the argument type.
-template <typename Handler> class specs_checker : public Handler {
- private:
-  detail::type arg_type_;
-
-  FMT_CONSTEXPR void require_numeric_argument() {
-    if (!is_arithmetic_type(arg_type_))
-      this->on_error("format specifier requires numeric argument");
-  }
-
- public:
-  FMT_CONSTEXPR specs_checker(const Handler& handler, detail::type arg_type)
-      : Handler(handler), arg_type_(arg_type) {}
-
-  FMT_CONSTEXPR void on_align(align_t align) {
-    if (align == align::numeric) require_numeric_argument();
-    Handler::on_align(align);
-  }
-
-  FMT_CONSTEXPR void on_sign(sign_t s) {
-    require_numeric_argument();
-    if (is_integral_type(arg_type_) && arg_type_ != type::int_type &&
-        arg_type_ != type::long_long_type && arg_type_ != type::int128_type &&
-        arg_type_ != type::char_type) {
-      this->on_error("format specifier requires signed argument");
-    }
-    Handler::on_sign(s);
-  }
-
-  FMT_CONSTEXPR void on_hash() {
-    require_numeric_argument();
-    Handler::on_hash();
-  }
-
-  FMT_CONSTEXPR void on_localized() {
-    require_numeric_argument();
-    Handler::on_localized();
-  }
-
-  FMT_CONSTEXPR void on_zero() {
-    require_numeric_argument();
-    Handler::on_zero();
-  }
-
-  FMT_CONSTEXPR void end_precision() {
-    if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type)
-      this->on_error("precision not allowed for this argument type");
-  }
-};
-
-constexpr int invalid_arg_index = -1;
+constexpr FMT_INLINE_VARIABLE int invalid_arg_index = -1;
 
 #if FMT_USE_NONTYPE_TEMPLATE_ARGS
 template <int N, typename T, typename... Args, typename Char>
 constexpr auto get_arg_index_by_name(basic_string_view<Char> name) -> int {
-  if constexpr (detail::is_statically_named_arg<T>()) {
+  if constexpr (is_statically_named_arg<T>()) {
     if (name == T::name) return N;
   }
   if constexpr (sizeof...(Args) > 0)
@@ -2931,16 +2599,15 @@ FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view<Char> name) -> int {
   return invalid_arg_index;
 }
 
-template <typename Char, typename ErrorHandler, typename... Args>
-class format_string_checker {
+template <typename Char, typename... Args> class format_string_checker {
  private:
-  // In the future basic_format_parse_context will replace compile_parse_context
-  // here and will use is_constant_evaluated and downcasting to access the data
-  // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1.
-  using parse_context_type = compile_parse_context<Char, ErrorHandler>;
+  using parse_context_type = compile_parse_context<Char>;
   static constexpr int num_args = sizeof...(Args);
 
   // Format specifier parsing function.
+  // In the future basic_format_parse_context will replace compile_parse_context
+  // here and will use is_constant_evaluated and downcasting to access the data
+  // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1.
   using parse_func = const Char* (*)(parse_context_type&);
 
   parse_context_type context_;
@@ -2948,14 +2615,10 @@ class format_string_checker {
   type types_[num_args > 0 ? static_cast<size_t>(num_args) : 1];
 
  public:
-  explicit FMT_CONSTEXPR format_string_checker(
-      basic_string_view<Char> format_str, ErrorHandler eh)
-      : context_(format_str, num_args, types_, eh),
+  explicit FMT_CONSTEXPR format_string_checker(basic_string_view<Char> fmt)
+      : context_(fmt, num_args, types_),
         parse_funcs_{&parse_format_specs<Args, parse_context_type>...},
-        types_{
-            mapped_type_constant<Args,
-                                 basic_format_context<Char*, Char>>::value...} {
-  }
+        types_{mapped_type_constant<Args, buffer_context<Char>>::value...} {}
 
   FMT_CONSTEXPR void on_text(const Char*, const Char*) {}
 
@@ -2967,7 +2630,7 @@ class format_string_checker {
 #if FMT_USE_NONTYPE_TEMPLATE_ARGS
     auto index = get_arg_index_by_name<Args...>(id);
     if (index == invalid_arg_index) on_error("named argument is not found");
-    return context_.check_arg_id(index), index;
+    return index;
 #else
     (void)id;
     on_error("compile-time checks for named arguments require C++20 support");
@@ -2979,13 +2642,13 @@ class format_string_checker {
 
   FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char*)
       -> const Char* {
-    context_.advance_to(context_.begin() + (begin - &*context_.begin()));
+    context_.advance_to(begin);
     // id >= 0 check is a workaround for gcc 10 bug (#2065).
     return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin;
   }
 
   FMT_CONSTEXPR void on_error(const char* message) {
-    context_.on_error(message);
+    throw_format_error(message);
   }
 };
 
@@ -3001,28 +2664,33 @@ FMT_INLINE void check_format_string(const S&) {
 template <typename... Args, typename S,
           FMT_ENABLE_IF(is_compile_string<S>::value)>
 void check_format_string(S format_str) {
-  FMT_CONSTEXPR auto s = basic_string_view<typename S::char_type>(format_str);
-  using checker = format_string_checker<typename S::char_type, error_handler,
-                                        remove_cvref_t<Args>...>;
-  FMT_CONSTEXPR bool invalid_format =
-      (parse_format_string<true>(s, checker(s, {})), true);
-  ignore_unused(invalid_format);
+  using char_t = typename S::char_type;
+  FMT_CONSTEXPR auto s = basic_string_view<char_t>(format_str);
+  using checker = format_string_checker<char_t, remove_cvref_t<Args>...>;
+  FMT_CONSTEXPR bool error = (parse_format_string<true>(s, checker(s)), true);
+  ignore_unused(error);
 }
 
+template <typename Char = char> struct vformat_args {
+  using type = basic_format_args<
+      basic_format_context<std::back_insert_iterator<buffer<Char>>, Char>>;
+};
+template <> struct vformat_args<char> { using type = format_args; };
+
+// Use vformat_args and avoid type_identity to keep symbols short.
 template <typename Char>
-void vformat_to(
-    buffer<Char>& buf, basic_string_view<Char> fmt,
-    basic_format_args<FMT_BUFFER_CONTEXT(type_identity_t<Char>)> args,
-    locale_ref loc = {});
+void vformat_to(buffer<Char>& buf, basic_string_view<Char> fmt,
+                typename vformat_args<Char>::type args, locale_ref loc = {});
 
 FMT_API void vprint_mojibake(std::FILE*, string_view, format_args);
 #ifndef _WIN32
 inline void vprint_mojibake(std::FILE*, string_view, format_args) {}
 #endif
-FMT_END_DETAIL_NAMESPACE
+}  // namespace detail
+
+FMT_BEGIN_EXPORT
 
-// A formatter specialization for the core types corresponding to detail::type
-// constants.
+// A formatter specialization for natively supported types.
 template <typename T, typename Char>
 struct formatter<T, Char,
                  enable_if_t<detail::type_constant<T, Char>::value !=
@@ -3031,81 +2699,21 @@ struct formatter<T, Char,
   detail::dynamic_format_specs<Char> specs_;
 
  public:
-  // Parses format specifiers stopping either at the end of the range or at the
-  // terminating '}'.
   template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    auto begin = ctx.begin(), end = ctx.end();
-    if (begin == end) return begin;
-    using handler_type = detail::dynamic_specs_handler<ParseContext>;
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* {
     auto type = detail::type_constant<T, Char>::value;
-    auto checker =
-        detail::specs_checker<handler_type>(handler_type(specs_, ctx), type);
-    auto it = detail::parse_format_specs(begin, end, checker);
-    auto eh = ctx.error_handler();
-    switch (type) {
-    case detail::type::none_type:
-      FMT_ASSERT(false, "invalid argument type");
-      break;
-    case detail::type::bool_type:
-      if (specs_.type == presentation_type::none ||
-          specs_.type == presentation_type::string) {
-        break;
-      }
-      FMT_FALLTHROUGH;
-    case detail::type::int_type:
-    case detail::type::uint_type:
-    case detail::type::long_long_type:
-    case detail::type::ulong_long_type:
-    case detail::type::int128_type:
-    case detail::type::uint128_type:
-      detail::check_int_type_spec(specs_.type, eh);
-      break;
-    case detail::type::char_type:
-      detail::check_char_specs(specs_, eh);
-      break;
-    case detail::type::float_type:
-      if (detail::const_check(FMT_USE_FLOAT))
-        detail::parse_float_type_spec(specs_, eh);
-      else
-        FMT_ASSERT(false, "float support disabled");
-      break;
-    case detail::type::double_type:
-      if (detail::const_check(FMT_USE_DOUBLE))
-        detail::parse_float_type_spec(specs_, eh);
-      else
-        FMT_ASSERT(false, "double support disabled");
-      break;
-    case detail::type::long_double_type:
-      if (detail::const_check(FMT_USE_LONG_DOUBLE))
-        detail::parse_float_type_spec(specs_, eh);
-      else
-        FMT_ASSERT(false, "long double support disabled");
-      break;
-    case detail::type::cstring_type:
-      detail::check_cstring_type_spec(specs_.type, eh);
-      break;
-    case detail::type::string_type:
-      detail::check_string_type_spec(specs_.type, eh);
-      break;
-    case detail::type::pointer_type:
-      detail::check_pointer_type_spec(specs_.type, eh);
-      break;
-    case detail::type::custom_type:
-      // Custom format specifiers are checked in parse functions of
-      // formatter specializations.
-      break;
-    }
-    return it;
+    auto end =
+        detail::parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx, type);
+    if (type == detail::type::char_type) detail::check_char_specs(specs_);
+    return end;
   }
 
   template <detail::type U = detail::type_constant<T, Char>::value,
-            enable_if_t<(U == detail::type::string_type ||
-                         U == detail::type::cstring_type ||
-                         U == detail::type::char_type),
-                        int> = 0>
-  FMT_CONSTEXPR void set_debug_format() {
-    specs_.type = presentation_type::debug;
+            FMT_ENABLE_IF(U == detail::type::string_type ||
+                          U == detail::type::cstring_type ||
+                          U == detail::type::char_type)>
+  FMT_CONSTEXPR void set_debug_format(bool set = true) {
+    specs_.type = set ? presentation_type::debug : presentation_type::none;
   }
 
   template <typename FormatContext>
@@ -3117,7 +2725,7 @@ struct formatter<T, Char,
   template <typename Char>                                               \
   struct formatter<Type, Char> : formatter<Base, Char> {                 \
     template <typename FormatContext>                                    \
-    auto format(Type const& val, FormatContext& ctx) const               \
+    auto format(const Type& val, FormatContext& ctx) const               \
         -> decltype(ctx.out()) {                                         \
       return formatter<Base, Char>::format(static_cast<Base>(val), ctx); \
     }                                                                    \
@@ -3134,7 +2742,9 @@ FMT_FORMAT_AS(std::basic_string<Char>, basic_string_view<Char>);
 FMT_FORMAT_AS(std::nullptr_t, const void*);
 FMT_FORMAT_AS(detail::std_string_view<Char>, basic_string_view<Char>);
 
-template <typename Char> struct basic_runtime { basic_string_view<Char> str; };
+template <typename Char = char> struct runtime_format_string {
+  basic_string_view<Char> str;
+};
 
 /** A compile-time format string. */
 template <typename Char, typename... Args> class basic_format_string {
@@ -3154,17 +2764,18 @@ template <typename Char, typename... Args> class basic_format_string {
 #ifdef FMT_HAS_CONSTEVAL
     if constexpr (detail::count_named_args<Args...>() ==
                   detail::count_statically_named_args<Args...>()) {
-      using checker = detail::format_string_checker<Char, detail::error_handler,
-                                                    remove_cvref_t<Args>...>;
-      detail::parse_format_string<true>(str_, checker(s, {}));
+      using checker =
+          detail::format_string_checker<Char, remove_cvref_t<Args>...>;
+      detail::parse_format_string<true>(str_, checker(s));
     }
 #else
     detail::check_format_string<Args...>(s);
 #endif
   }
-  basic_format_string(basic_runtime<Char> r) : str_(r.str) {}
+  basic_format_string(runtime_format_string<Char> fmt) : str_(fmt.str) {}
 
   FMT_INLINE operator basic_string_view<Char>() const { return str_; }
+  FMT_INLINE auto get() const -> basic_string_view<Char> { return str_; }
 };
 
 #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
@@ -3184,7 +2795,7 @@ using format_string = basic_format_string<char, type_identity_t<Args>...>;
     fmt::print(fmt::runtime("{:d}"), "I am not a number");
   \endrst
  */
-inline auto runtime(string_view s) -> basic_runtime<char> { return {{s}}; }
+inline auto runtime(string_view s) -> runtime_format_string<> { return {{s}}; }
 #endif
 
 FMT_API auto vformat(string_view fmt, format_args args) -> std::string;
@@ -3210,10 +2821,9 @@ FMT_NODISCARD FMT_INLINE auto format(format_string<T...> fmt, T&&... args)
 template <typename OutputIt,
           FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, char>::value)>
 auto vformat_to(OutputIt out, string_view fmt, format_args args) -> OutputIt {
-  using detail::get_buffer;
-  auto&& buf = get_buffer<char>(out);
+  auto&& buf = detail::get_buffer<char>(out);
   detail::vformat_to(buf, fmt, args, {});
-  return detail::get_iterator(buf);
+  return detail::get_iterator(buf, out);
 }
 
 /**
@@ -3272,7 +2882,7 @@ template <typename... T>
 FMT_NODISCARD FMT_INLINE auto formatted_size(format_string<T...> fmt,
                                              T&&... args) -> size_t {
   auto buf = detail::counting_buffer<>();
-  detail::vformat_to(buf, string_view(fmt), fmt::make_format_args(args...), {});
+  detail::vformat_to<char>(buf, fmt, fmt::make_format_args(args...), {});
   return buf.count();
 }
 
@@ -3313,7 +2923,25 @@ FMT_INLINE void print(std::FILE* f, format_string<T...> fmt, T&&... args) {
                            : detail::vprint_mojibake(f, fmt, vargs);
 }
 
-FMT_MODULE_EXPORT_END
+/**
+  Formats ``args`` according to specifications in ``fmt`` and writes the
+  output to the file ``f`` followed by a newline.
+ */
+template <typename... T>
+FMT_INLINE void println(std::FILE* f, format_string<T...> fmt, T&&... args) {
+  return fmt::print(f, "{}\n", fmt::format(fmt, std::forward<T>(args)...));
+}
+
+/**
+  Formats ``args`` according to specifications in ``fmt`` and writes the output
+  to ``stdout`` followed by a newline.
+ */
+template <typename... T>
+FMT_INLINE void println(format_string<T...> fmt, T&&... args) {
+  return fmt::println(stdout, fmt, std::forward<T>(args)...);
+}
+
+FMT_END_EXPORT
 FMT_GCC_PRAGMA("GCC pop_options")
 FMT_END_NAMESPACE
 
diff --git a/third_party/fmt-9.1.0/include/fmt/format-inl.h b/third_party/fmt-10.0.0/include/fmt/format-inl.h
similarity index 94%
rename from third_party/fmt-9.1.0/include/fmt/format-inl.h
rename to third_party/fmt-10.0.0/include/fmt/format-inl.h
index 22b1ec8d..5bae3c7b 100644
--- a/third_party/fmt-9.1.0/include/fmt/format-inl.h
+++ b/third_party/fmt-10.0.0/include/fmt/format-inl.h
@@ -9,13 +9,9 @@
 #define FMT_FORMAT_INL_H_
 
 #include <algorithm>
-#include <cctype>
 #include <cerrno>  // errno
 #include <climits>
 #include <cmath>
-#include <cstdarg>
-#include <cstring>  // std::memmove
-#include <cwchar>
 #include <exception>
 
 #ifndef FMT_STATIC_THOUSANDS_SEPARATOR
@@ -115,16 +111,43 @@ template <typename Char> FMT_FUNC Char decimal_point_impl(locale_ref) {
   return '.';
 }
 #endif
+
+FMT_FUNC auto write_loc(appender out, loc_value value,
+                        const format_specs<>& specs, locale_ref loc) -> bool {
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+  auto locale = loc.get<std::locale>();
+  // We cannot use the num_put<char> facet because it may produce output in
+  // a wrong encoding.
+  using facet = format_facet<std::locale>;
+  if (std::has_facet<facet>(locale))
+    return std::use_facet<facet>(locale).put(out, value, specs);
+  return facet(locale).put(out, value, specs);
+#endif
+  return false;
+}
 }  // namespace detail
 
-#if !FMT_MSC_VERSION
-FMT_API FMT_FUNC format_error::~format_error() noexcept = default;
+template <typename Locale> typename Locale::id format_facet<Locale>::id;
+
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+template <typename Locale> format_facet<Locale>::format_facet(Locale& loc) {
+  auto& numpunct = std::use_facet<std::numpunct<char>>(loc);
+  grouping_ = numpunct.grouping();
+  if (!grouping_.empty()) separator_ = std::string(1, numpunct.thousands_sep());
+}
+
+template <>
+FMT_API FMT_FUNC auto format_facet<std::locale>::do_put(
+    appender out, loc_value val, const format_specs<>& specs) const -> bool {
+  return val.visit(
+      detail::loc_writer<>{out, specs, separator_, grouping_, decimal_point_});
+}
 #endif
 
-FMT_FUNC std::system_error vsystem_error(int error_code, string_view format_str,
+FMT_FUNC std::system_error vsystem_error(int error_code, string_view fmt,
                                          format_args args) {
   auto ec = std::error_code(error_code, std::generic_category());
-  return std::system_error(ec, vformat(format_str, args));
+  return std::system_error(ec, vformat(fmt, args));
 }
 
 namespace detail {
@@ -143,58 +166,8 @@ FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept {
   return (n >> r) | (n << (64 - r));
 }
 
-// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
-inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept {
-#if FMT_USE_INT128
-  auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
-  return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
-#elif defined(_MSC_VER) && defined(_M_X64)
-  auto result = uint128_fallback();
-  result.lo_ = _umul128(x, y, &result.hi_);
-  return result;
-#else
-  const uint64_t mask = static_cast<uint64_t>(max_value<uint32_t>());
-
-  uint64_t a = x >> 32;
-  uint64_t b = x & mask;
-  uint64_t c = y >> 32;
-  uint64_t d = y & mask;
-
-  uint64_t ac = a * c;
-  uint64_t bc = b * c;
-  uint64_t ad = a * d;
-  uint64_t bd = b * d;
-
-  uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask);
-
-  return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32),
-          (intermediate << 32) + (bd & mask)};
-#endif
-}
-
 // Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox.
 namespace dragonbox {
-// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
-inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept {
-#if FMT_USE_INT128
-  auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
-  return static_cast<uint64_t>(p >> 64);
-#elif defined(_MSC_VER) && defined(_M_X64)
-  return __umulh(x, y);
-#else
-  return umul128(x, y).high();
-#endif
-}
-
-// Computes upper 128 bits of multiplication of a 64-bit unsigned integer and a
-// 128-bit unsigned integer.
-inline uint128_fallback umul192_upper128(uint64_t x,
-                                         uint128_fallback y) noexcept {
-  uint128_fallback r = umul128(x, y.high());
-  r += umul128_upper64(x, y.low());
-  return r;
-}
-
 // Computes upper 64 bits of multiplication of a 32-bit unsigned integer and a
 // 64-bit unsigned integer.
 inline uint64_t umul96_upper64(uint32_t x, uint64_t y) noexcept {
@@ -216,25 +189,13 @@ inline uint64_t umul96_lower64(uint32_t x, uint64_t y) noexcept {
   return x * y;
 }
 
-// Computes floor(log10(pow(2, e))) for e in [-2620, 2620] using the method from
-// https://fmt.dev/papers/Dragonbox.pdf#page=28, section 6.1.
-inline int floor_log10_pow2(int e) noexcept {
-  FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent");
-  static_assert((-1 >> 1) == -1, "right shift is not arithmetic");
-  return (e * 315653) >> 20;
-}
-
 // Various fast log computations.
-inline int floor_log2_pow10(int e) noexcept {
-  FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent");
-  return (e * 1741647) >> 19;
-}
 inline int floor_log10_pow2_minus_log10_4_over_3(int e) noexcept {
   FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent");
   return (e * 631305 - 261663) >> 21;
 }
 
-static constexpr struct {
+FMT_INLINE_VARIABLE constexpr struct {
   uint32_t divisor;
   int shift_amount;
 } div_small_pow10_infos[] = {{10, 16}, {100, 16}};
@@ -288,7 +249,7 @@ inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) noexcept {
 }
 
 // Various subroutines using pow10 cache
-template <class T> struct cache_accessor;
+template <typename T> struct cache_accessor;
 
 template <> struct cache_accessor<float> {
   using carrier_uint = float_info<float>::carrier_uint;
@@ -1009,8 +970,23 @@ template <> struct cache_accessor<double> {
       {0xfcf62c1dee382c42, 0x46729e03dd9ed7b6},
       {0x9e19db92b4e31ba9, 0x6c07a2c26a8346d2},
       {0xc5a05277621be293, 0xc7098b7305241886},
-      { 0xf70867153aa2db38,
-        0xb8cbee4fc66d1ea8 }
+      {0xf70867153aa2db38, 0xb8cbee4fc66d1ea8},
+      {0x9a65406d44a5c903, 0x737f74f1dc043329},
+      {0xc0fe908895cf3b44, 0x505f522e53053ff3},
+      {0xf13e34aabb430a15, 0x647726b9e7c68ff0},
+      {0x96c6e0eab509e64d, 0x5eca783430dc19f6},
+      {0xbc789925624c5fe0, 0xb67d16413d132073},
+      {0xeb96bf6ebadf77d8, 0xe41c5bd18c57e890},
+      {0x933e37a534cbaae7, 0x8e91b962f7b6f15a},
+      {0xb80dc58e81fe95a1, 0x723627bbb5a4adb1},
+      {0xe61136f2227e3b09, 0xcec3b1aaa30dd91d},
+      {0x8fcac257558ee4e6, 0x213a4f0aa5e8a7b2},
+      {0xb3bd72ed2af29e1f, 0xa988e2cd4f62d19e},
+      {0xe0accfa875af45a7, 0x93eb1b80a33b8606},
+      {0x8c6c01c9498d8b88, 0xbc72f130660533c4},
+      {0xaf87023b9bf0ee6a, 0xeb8fad7c7f8680b5},
+      { 0xdb68c2ca82ed2a05,
+        0xa67398db9f6820e2 }
 #else
       {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b},
       {0xce5d73ff402d98e3, 0xfb0a3d212dc81290},
@@ -1034,8 +1010,8 @@ template <> struct cache_accessor<double> {
       {0x8da471a9de737e24, 0x5ceaecfed289e5d3},
       {0xe4d5e82392a40515, 0x0fabaf3feaa5334b},
       {0xb8da1662e7b00a17, 0x3d6a751f3b936244},
-      { 0x95527a5202df0ccb,
-        0x0f37801e0c43ebc9 }
+      {0x95527a5202df0ccb, 0x0f37801e0c43ebc9},
+      {0xf13e34aabb430a15, 0x647726b9e7c68ff0}
 #endif
     };
 
@@ -1138,8 +1114,12 @@ template <> struct cache_accessor<double> {
   }
 };
 
+FMT_FUNC uint128_fallback get_cached_power(int k) noexcept {
+  return cache_accessor<double>::get_cached_power(k);
+}
+
 // Various integer checks
-template <class T>
+template <typename T>
 bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept {
   const int case_shorter_interval_left_endpoint_lower_threshold = 2;
   const int case_shorter_interval_left_endpoint_upper_threshold = 3;
@@ -1150,8 +1130,12 @@ bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept {
 // Remove trailing zeros from n and return the number of zeros removed (float)
 FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept {
   FMT_ASSERT(n != 0, "");
+  // Modular inverse of 5 (mod 2^32): (mod_inv_5 * 5) mod 2^32 = 1.
+  // See https://github.com/fmtlib/fmt/issues/3163 for more details.
   const uint32_t mod_inv_5 = 0xcccccccd;
-  const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5;
+  // Casts are needed to workaround a bug in MSVC 19.22 and older.
+  const uint32_t mod_inv_25 =
+      static_cast<uint32_t>(uint64_t(mod_inv_5) * mod_inv_5);
 
   int s = 0;
   while (true) {
@@ -1165,7 +1149,6 @@ FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept {
     n = q;
     s |= 1;
   }
-
   return s;
 }
 
@@ -1223,7 +1206,7 @@ FMT_INLINE int remove_trailing_zeros(uint64_t& n) noexcept {
 }
 
 // The main algorithm for shorter interval case
-template <class T>
+template <typename T>
 FMT_INLINE decimal_fp<T> shorter_interval_case(int exponent) noexcept {
   decimal_fp<T> ret_value;
   // Compute k and beta
@@ -1394,17 +1377,6 @@ template <typename T> decimal_fp<T> to_decimal(T x) noexcept {
   return ret_value;
 }
 }  // namespace dragonbox
-
-#ifdef _MSC_VER
-FMT_FUNC auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...)
-    -> int {
-  auto args = va_list();
-  va_start(args, fmt);
-  int result = vsnprintf_s(buf, size, _TRUNCATE, fmt, args);
-  va_end(args);
-  return result;
-}
-#endif
 }  // namespace detail
 
 template <> struct formatter<detail::bigint> {
@@ -1413,9 +1385,8 @@ template <> struct formatter<detail::bigint> {
     return ctx.begin();
   }
 
-  template <typename FormatContext>
-  auto format(const detail::bigint& n, FormatContext& ctx) const ->
-      typename FormatContext::iterator {
+  auto format(const detail::bigint& n, format_context& ctx) const
+      -> format_context::iterator {
     auto out = ctx.out();
     bool first = true;
     for (auto i = n.bigits_.size(); i > 0; --i) {
@@ -1474,57 +1445,44 @@ FMT_FUNC std::string vformat(string_view fmt, format_args args) {
 }
 
 namespace detail {
-#ifdef _WIN32
+#ifndef _WIN32
+FMT_FUNC bool write_console(std::FILE*, string_view) { return false; }
+#else
 using dword = conditional_t<sizeof(long) == 4, unsigned long, unsigned>;
 extern "C" __declspec(dllimport) int __stdcall WriteConsoleW(  //
     void*, const void*, dword, dword*, void*);
 
 FMT_FUNC bool write_console(std::FILE* f, string_view text) {
   auto fd = _fileno(f);
-  if (_isatty(fd)) {
-    detail::utf8_to_utf16 u16(string_view(text.data(), text.size()));
-    auto written = detail::dword();
-    if (detail::WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)),
-                              u16.c_str(), static_cast<uint32_t>(u16.size()),
-                              &written, nullptr)) {
-      return true;
-    }
-  }
-  // We return false if the file descriptor was not TTY, or it was but
-  // SetConsoleW failed which can happen if the output has been redirected to
-  // NUL. In both cases when we return false, we should attempt to do regular
-  // write via fwrite or std::ostream::write.
-  return false;
+  if (!_isatty(fd)) return false;
+  auto u16 = utf8_to_utf16(text);
+  auto written = dword();
+  return WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)), u16.c_str(),
+                       static_cast<uint32_t>(u16.size()), &written, nullptr);
+}
+
+// Print assuming legacy (non-Unicode) encoding.
+FMT_FUNC void vprint_mojibake(std::FILE* f, string_view fmt, format_args args) {
+  auto buffer = memory_buffer();
+  detail::vformat_to(buffer, fmt,
+                     basic_format_args<buffer_context<char>>(args));
+  fwrite_fully(buffer.data(), 1, buffer.size(), f);
 }
 #endif
 
 FMT_FUNC void print(std::FILE* f, string_view text) {
-#ifdef _WIN32
-  if (write_console(f, text)) return;
-#endif
-  detail::fwrite_fully(text.data(), 1, text.size(), f);
+  if (!write_console(f, text)) fwrite_fully(text.data(), 1, text.size(), f);
 }
 }  // namespace detail
 
-FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
-  memory_buffer buffer;
-  detail::vformat_to(buffer, format_str, args);
+FMT_FUNC void vprint(std::FILE* f, string_view fmt, format_args args) {
+  auto buffer = memory_buffer();
+  detail::vformat_to(buffer, fmt, args);
   detail::print(f, {buffer.data(), buffer.size()});
 }
 
-#ifdef _WIN32
-// Print assuming legacy (non-Unicode) encoding.
-FMT_FUNC void detail::vprint_mojibake(std::FILE* f, string_view format_str,
-                                      format_args args) {
-  memory_buffer buffer;
-  detail::vformat_to(buffer, format_str,
-                     basic_format_args<buffer_context<char>>(args));
-  fwrite_fully(buffer.data(), 1, buffer.size(), f);
-}
-#endif
-
-FMT_FUNC void vprint(string_view format_str, format_args args) {
-  vprint(stdout, format_str, args);
+FMT_FUNC void vprint(string_view fmt, format_args args) {
+  vprint(stdout, fmt, args);
 }
 
 namespace detail {
diff --git a/third_party/fmt-9.1.0/include/fmt/format.h b/third_party/fmt-10.0.0/include/fmt/format.h
similarity index 79%
rename from third_party/fmt-9.1.0/include/fmt/format.h
rename to third_party/fmt-10.0.0/include/fmt/format.h
index 7c607dbd..ed8b29eb 100644
--- a/third_party/fmt-9.1.0/include/fmt/format.h
+++ b/third_party/fmt-10.0.0/include/fmt/format.h
@@ -33,13 +33,14 @@
 #ifndef FMT_FORMAT_H_
 #define FMT_FORMAT_H_
 
-#include <cmath>         // std::signbit
-#include <cstdint>       // uint32_t
-#include <cstring>       // std::memcpy
-#include <limits>        // std::numeric_limits
-#include <memory>        // std::uninitialized_copy
-#include <stdexcept>     // std::runtime_error
-#include <system_error>  // std::system_error
+#include <cmath>             // std::signbit
+#include <cstdint>           // uint32_t
+#include <cstring>           // std::memcpy
+#include <initializer_list>  // std::initializer_list
+#include <limits>            // std::numeric_limits
+#include <memory>            // std::uninitialized_copy
+#include <stdexcept>         // std::runtime_error
+#include <system_error>      // std::system_error
 
 #ifdef __cpp_lib_bit_cast
 #  include <bit>  // std::bitcast
@@ -47,6 +48,36 @@
 
 #include "core.h"
 
+#ifndef FMT_BEGIN_DETAIL_NAMESPACE
+#  define FMT_BEGIN_DETAIL_NAMESPACE namespace detail {
+#  define FMT_END_DETAIL_NAMESPACE }
+#endif
+
+#if FMT_HAS_CPP17_ATTRIBUTE(fallthrough)
+#  define FMT_FALLTHROUGH [[fallthrough]]
+#elif defined(__clang__)
+#  define FMT_FALLTHROUGH [[clang::fallthrough]]
+#elif FMT_GCC_VERSION >= 700 && \
+    (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520)
+#  define FMT_FALLTHROUGH [[gnu::fallthrough]]
+#else
+#  define FMT_FALLTHROUGH
+#endif
+
+#ifndef FMT_DEPRECATED
+#  if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VERSION >= 1900
+#    define FMT_DEPRECATED [[deprecated]]
+#  else
+#    if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__)
+#      define FMT_DEPRECATED __attribute__((deprecated))
+#    elif FMT_MSC_VERSION
+#      define FMT_DEPRECATED __declspec(deprecated)
+#    else
+#      define FMT_DEPRECATED /* deprecated */
+#    endif
+#  endif
+#endif
+
 #if FMT_GCC_VERSION
 #  define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden")))
 #else
@@ -71,12 +102,6 @@
 #  define FMT_NOINLINE
 #endif
 
-#if FMT_MSC_VERSION
-#  define FMT_MSC_DEFAULT = default
-#else
-#  define FMT_MSC_DEFAULT
-#endif
-
 #ifndef FMT_THROW
 #  if FMT_EXCEPTIONS
 #    if FMT_MSC_VERSION || defined(__NVCC__)
@@ -200,7 +225,8 @@ inline auto clzll(uint64_t x) -> int {
   _BitScanReverse64(&r, x);
 #  else
   // Scan the high 32 bits.
-  if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32))) return 63 ^ (r + 32);
+  if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32)))
+    return 63 ^ static_cast<int>(r + 32);
   // Scan the low 32 bits.
   _BitScanReverse(&r, static_cast<uint32_t>(x));
 #  endif
@@ -240,6 +266,19 @@ FMT_END_NAMESPACE
 #endif
 
 FMT_BEGIN_NAMESPACE
+
+template <typename...> struct disjunction : std::false_type {};
+template <typename P> struct disjunction<P> : P {};
+template <typename P1, typename... Pn>
+struct disjunction<P1, Pn...>
+    : conditional_t<bool(P1::value), P1, disjunction<Pn...>> {};
+
+template <typename...> struct conjunction : std::true_type {};
+template <typename P> struct conjunction<P> : P {};
+template <typename P1, typename... Pn>
+struct conjunction<P1, Pn...>
+    : conditional_t<bool(P1::value), conjunction<Pn...>, P1> {};
+
 namespace detail {
 
 FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) {
@@ -359,6 +398,10 @@ class uint128_fallback {
       -> uint128_fallback {
     return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_};
   }
+  friend constexpr auto operator~(const uint128_fallback& n)
+      -> uint128_fallback {
+    return {~n.hi_, ~n.lo_};
+  }
   friend auto operator+(const uint128_fallback& lhs,
                         const uint128_fallback& rhs) -> uint128_fallback {
     auto result = uint128_fallback(lhs);
@@ -397,6 +440,10 @@ class uint128_fallback {
     lo_ = new_lo;
     hi_ = new_hi;
   }
+  FMT_CONSTEXPR void operator&=(uint128_fallback n) {
+    lo_ &= n.lo_;
+    hi_ &= n.hi_;
+  }
 
   FMT_CONSTEXPR20 uint128_fallback& operator+=(uint64_t n) noexcept {
     if (is_constant_evaluated()) {
@@ -463,6 +510,28 @@ inline auto bit_cast(const From& from) -> To {
   return result;
 }
 
+template <typename UInt>
+FMT_CONSTEXPR20 inline auto countl_zero_fallback(UInt n) -> int {
+  int lz = 0;
+  constexpr UInt msb_mask = static_cast<UInt>(1) << (num_bits<UInt>() - 1);
+  for (; (n & msb_mask) == 0; n <<= 1) lz++;
+  return lz;
+}
+
+FMT_CONSTEXPR20 inline auto countl_zero(uint32_t n) -> int {
+#ifdef FMT_BUILTIN_CLZ
+  if (!is_constant_evaluated()) return FMT_BUILTIN_CLZ(n);
+#endif
+  return countl_zero_fallback(n);
+}
+
+FMT_CONSTEXPR20 inline auto countl_zero(uint64_t n) -> int {
+#ifdef FMT_BUILTIN_CLZLL
+  if (!is_constant_evaluated()) return FMT_BUILTIN_CLZLL(n);
+#endif
+  return countl_zero_fallback(n);
+}
+
 FMT_INLINE void assume(bool condition) {
   (void)condition;
 #if FMT_HAS_BUILTIN(__builtin_assume) && !FMT_ICC_VERSION
@@ -607,7 +676,8 @@ FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e)
   constexpr const int shiftc[] = {0, 18, 12, 6, 0};
   constexpr const int shifte[] = {0, 6, 4, 2, 0};
 
-  int len = code_point_length_impl(*s);
+  int len = "\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\2\2\2\2\3\3\4"
+      [static_cast<unsigned char>(*s) >> 3];
   // Compute the pointer to the next character early so that the next
   // iteration can start working on the next character. Neither Clang
   // nor GCC figure out this reordering on their own.
@@ -636,7 +706,7 @@ FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e)
   return next;
 }
 
-constexpr uint32_t invalid_code_point = ~uint32_t();
+constexpr FMT_INLINE_VARIABLE uint32_t invalid_code_point = ~uint32_t();
 
 // Invokes f(cp, sv) for every code point cp in s with sv being the string view
 // corresponding to the code point. cp is invalid_code_point on error.
@@ -706,6 +776,7 @@ FMT_CONSTEXPR inline size_t compute_width(string_view s) {
       return true;
     }
   };
+  // We could avoid branches by using utf8_decode directly.
   for_each_codepoint(s, count_code_points{&num_code_points});
   return num_code_points;
 }
@@ -737,13 +808,48 @@ inline auto code_point_index(basic_string_view<char8_type> s, size_t n)
       string_view(reinterpret_cast<const char*>(s.data()), s.size()), n);
 }
 
+template <typename T> struct is_integral : std::is_integral<T> {};
+template <> struct is_integral<int128_opt> : std::true_type {};
+template <> struct is_integral<uint128_t> : std::true_type {};
+
+template <typename T>
+using is_signed =
+    std::integral_constant<bool, std::numeric_limits<T>::is_signed ||
+                                     std::is_same<T, int128_opt>::value>;
+
+template <typename T>
+using is_integer =
+    bool_constant<is_integral<T>::value && !std::is_same<T, bool>::value &&
+                  !std::is_same<T, char>::value &&
+                  !std::is_same<T, wchar_t>::value>;
+
+#ifndef FMT_USE_FLOAT
+#  define FMT_USE_FLOAT 1
+#endif
+#ifndef FMT_USE_DOUBLE
+#  define FMT_USE_DOUBLE 1
+#endif
+#ifndef FMT_USE_LONG_DOUBLE
+#  define FMT_USE_LONG_DOUBLE 1
+#endif
+
 #ifndef FMT_USE_FLOAT128
-#  ifdef __SIZEOF_FLOAT128__
-#    define FMT_USE_FLOAT128 1
-#  else
+#  ifdef __clang__
+// Clang emulates GCC, so it has to appear early.
+#    if FMT_HAS_INCLUDE(<quadmath.h>)
+#      define FMT_USE_FLOAT128 1
+#    endif
+#  elif defined(__GNUC__)
+// GNU C++:
+#    if defined(_GLIBCXX_USE_FLOAT128) && !defined(__STRICT_ANSI__)
+#      define FMT_USE_FLOAT128 1
+#    endif
+#  endif
+#  ifndef FMT_USE_FLOAT128
 #    define FMT_USE_FLOAT128 0
 #  endif
 #endif
+
 #if FMT_USE_FLOAT128
 using float128 = __float128;
 #else
@@ -787,7 +893,7 @@ template <typename T>
 struct is_locale<T, void_t<decltype(T::classic())>> : std::true_type {};
 }  // namespace detail
 
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 // The number of characters to store in the basic_memory_buffer object itself
 // to avoid dynamic memory allocation.
@@ -830,7 +936,27 @@ class basic_memory_buffer final : public detail::buffer<T> {
   }
 
  protected:
-  FMT_CONSTEXPR20 void grow(size_t size) override;
+  FMT_CONSTEXPR20 void grow(size_t size) override {
+    detail::abort_fuzzing_if(size > 5000);
+    const size_t max_size = std::allocator_traits<Allocator>::max_size(alloc_);
+    size_t old_capacity = this->capacity();
+    size_t new_capacity = old_capacity + old_capacity / 2;
+    if (size > new_capacity)
+      new_capacity = size;
+    else if (new_capacity > max_size)
+      new_capacity = size > max_size ? size : max_size;
+    T* old_data = this->data();
+    T* new_data =
+        std::allocator_traits<Allocator>::allocate(alloc_, new_capacity);
+    // The following code doesn't throw, so the raw pointer above doesn't leak.
+    std::uninitialized_copy(old_data, old_data + this->size(),
+                            detail::make_checked(new_data, new_capacity));
+    this->set(new_data, new_capacity);
+    // deallocate must not throw according to the standard, but even if it does,
+    // the buffer already uses the new storage and will deallocate it in
+    // destructor.
+    if (old_data != store_) alloc_.deallocate(old_data, old_capacity);
+  }
 
  public:
   using value_type = T;
@@ -907,55 +1033,28 @@ class basic_memory_buffer final : public detail::buffer<T> {
   }
 };
 
-template <typename T, size_t SIZE, typename Allocator>
-FMT_CONSTEXPR20 void basic_memory_buffer<T, SIZE, Allocator>::grow(
-    size_t size) {
-  detail::abort_fuzzing_if(size > 5000);
-  const size_t max_size = std::allocator_traits<Allocator>::max_size(alloc_);
-  size_t old_capacity = this->capacity();
-  size_t new_capacity = old_capacity + old_capacity / 2;
-  if (size > new_capacity)
-    new_capacity = size;
-  else if (new_capacity > max_size)
-    new_capacity = size > max_size ? size : max_size;
-  T* old_data = this->data();
-  T* new_data =
-      std::allocator_traits<Allocator>::allocate(alloc_, new_capacity);
-  // The following code doesn't throw, so the raw pointer above doesn't leak.
-  std::uninitialized_copy(old_data, old_data + this->size(),
-                          detail::make_checked(new_data, new_capacity));
-  this->set(new_data, new_capacity);
-  // deallocate must not throw according to the standard, but even if it does,
-  // the buffer already uses the new storage and will deallocate it in
-  // destructor.
-  if (old_data != store_) alloc_.deallocate(old_data, old_capacity);
-}
-
 using memory_buffer = basic_memory_buffer<char>;
 
 template <typename T, size_t SIZE, typename Allocator>
 struct is_contiguous<basic_memory_buffer<T, SIZE, Allocator>> : std::true_type {
 };
 
+FMT_END_EXPORT
 namespace detail {
-#ifdef _WIN32
 FMT_API bool write_console(std::FILE* f, string_view text);
-#endif
 FMT_API void print(std::FILE*, string_view);
 }  // namespace detail
+FMT_BEGIN_EXPORT
 
-/** A formatting error such as invalid format string. */
-FMT_CLASS_API
+// Suppress a misleading warning in older versions of clang.
+#if FMT_CLANG_VERSION
+#  pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+/** An error reported from a formatting function. */
 class FMT_API format_error : public std::runtime_error {
  public:
-  explicit format_error(const char* message) : std::runtime_error(message) {}
-  explicit format_error(const std::string& message)
-      : std::runtime_error(message) {}
-  format_error(const format_error&) = default;
-  format_error& operator=(const format_error&) = default;
-  format_error(format_error&&) = default;
-  format_error& operator=(format_error&&) = default;
-  ~format_error() noexcept override FMT_MSC_DEFAULT;
+  using std::runtime_error::runtime_error;
 };
 
 namespace detail_exported {
@@ -984,16 +1083,52 @@ constexpr auto compile_string_to_view(detail::std_string_view<Char> s)
 }
 }  // namespace detail_exported
 
-FMT_BEGIN_DETAIL_NAMESPACE
+class loc_value {
+ private:
+  basic_format_arg<format_context> value_;
 
-template <typename T> struct is_integral : std::is_integral<T> {};
-template <> struct is_integral<int128_opt> : std::true_type {};
-template <> struct is_integral<uint128_t> : std::true_type {};
+ public:
+  template <typename T, FMT_ENABLE_IF(!detail::is_float128<T>::value)>
+  loc_value(T value) : value_(detail::make_arg<format_context>(value)) {}
 
-template <typename T>
-using is_signed =
-    std::integral_constant<bool, std::numeric_limits<T>::is_signed ||
-                                     std::is_same<T, int128_opt>::value>;
+  template <typename T, FMT_ENABLE_IF(detail::is_float128<T>::value)>
+  loc_value(T) {}
+
+  template <typename Visitor> auto visit(Visitor&& vis) -> decltype(vis(0)) {
+    return visit_format_arg(vis, value_);
+  }
+};
+
+// A locale facet that formats values in UTF-8.
+// It is parameterized on the locale to avoid the heavy <locale> include.
+template <typename Locale> class format_facet : public Locale::facet {
+ private:
+  std::string separator_;
+  std::string grouping_;
+  std::string decimal_point_;
+
+ protected:
+  virtual auto do_put(appender out, loc_value val,
+                      const format_specs<>& specs) const -> bool;
+
+ public:
+  static FMT_API typename Locale::id id;
+
+  explicit format_facet(Locale& loc);
+  explicit format_facet(string_view sep = "",
+                        std::initializer_list<unsigned char> g = {3},
+                        std::string decimal_point = ".")
+      : separator_(sep.data(), sep.size()),
+        grouping_(g.begin(), g.end()),
+        decimal_point_(decimal_point) {}
+
+  auto put(appender out, loc_value val, const format_specs<>& specs) const
+      -> bool {
+    return do_put(out, val, specs);
+  }
+};
+
+FMT_BEGIN_DETAIL_NAMESPACE
 
 // Returns true if value is negative, false otherwise.
 // Same as `value < 0` but doesn't produce warnings if T is an unsigned type.
@@ -1238,7 +1373,7 @@ template <typename Char, typename UInt, typename Iterator,
 FMT_CONSTEXPR inline auto format_decimal(Iterator out, UInt value, int size)
     -> format_decimal_result<Iterator> {
   // Buffer is large enough to hold all digits (digits10 + 1).
-  Char buffer[digits10<UInt>() + 1];
+  Char buffer[digits10<UInt>() + 1] = {};
   auto end = format_decimal(buffer, value, size).end;
   return {out, detail::copy_str_noinline<Char>(buffer, end, out)};
 }
@@ -1283,7 +1418,133 @@ class utf8_to_utf16 {
   auto str() const -> std::wstring { return {&buffer_[0], size()}; }
 };
 
+// A converter from UTF-16/UTF-32 (host endian) to UTF-8.
+template <typename WChar, typename Buffer = memory_buffer>
+class unicode_to_utf8 {
+ private:
+  Buffer buffer_;
+
+ public:
+  unicode_to_utf8() {}
+  explicit unicode_to_utf8(basic_string_view<WChar> s) {
+    static_assert(sizeof(WChar) == 2 || sizeof(WChar) == 4,
+                  "Expect utf16 or utf32");
+
+    if (!convert(s))
+      FMT_THROW(std::runtime_error(sizeof(WChar) == 2 ? "invalid utf16"
+                                                      : "invalid utf32"));
+  }
+  operator string_view() const { return string_view(&buffer_[0], size()); }
+  size_t size() const { return buffer_.size() - 1; }
+  const char* c_str() const { return &buffer_[0]; }
+  std::string str() const { return std::string(&buffer_[0], size()); }
+
+  // Performs conversion returning a bool instead of throwing exception on
+  // conversion error. This method may still throw in case of memory allocation
+  // error.
+  bool convert(basic_string_view<WChar> s) {
+    if (!convert(buffer_, s)) return false;
+    buffer_.push_back(0);
+    return true;
+  }
+  static bool convert(Buffer& buf, basic_string_view<WChar> s) {
+    for (auto p = s.begin(); p != s.end(); ++p) {
+      uint32_t c = static_cast<uint32_t>(*p);
+      if (sizeof(WChar) == 2 && c >= 0xd800 && c <= 0xdfff) {
+        // surrogate pair
+        ++p;
+        if (p == s.end() || (c & 0xfc00) != 0xd800 || (*p & 0xfc00) != 0xdc00) {
+          return false;
+        }
+        c = (c << 10) + static_cast<uint32_t>(*p) - 0x35fdc00;
+      }
+      if (c < 0x80) {
+        buf.push_back(static_cast<char>(c));
+      } else if (c < 0x800) {
+        buf.push_back(static_cast<char>(0xc0 | (c >> 6)));
+        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
+      } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) {
+        buf.push_back(static_cast<char>(0xe0 | (c >> 12)));
+        buf.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
+        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
+      } else if (c >= 0x10000 && c <= 0x10ffff) {
+        buf.push_back(static_cast<char>(0xf0 | (c >> 18)));
+        buf.push_back(static_cast<char>(0x80 | ((c & 0x3ffff) >> 12)));
+        buf.push_back(static_cast<char>(0x80 | ((c & 0xfff) >> 6)));
+        buf.push_back(static_cast<char>(0x80 | (c & 0x3f)));
+      } else {
+        return false;
+      }
+    }
+    return true;
+  }
+};
+
+// Computes 128-bit result of multiplication of two 64-bit unsigned integers.
+inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept {
+#if FMT_USE_INT128
+  auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
+  return {static_cast<uint64_t>(p >> 64), static_cast<uint64_t>(p)};
+#elif defined(_MSC_VER) && defined(_M_X64)
+  auto result = uint128_fallback();
+  result.lo_ = _umul128(x, y, &result.hi_);
+  return result;
+#else
+  const uint64_t mask = static_cast<uint64_t>(max_value<uint32_t>());
+
+  uint64_t a = x >> 32;
+  uint64_t b = x & mask;
+  uint64_t c = y >> 32;
+  uint64_t d = y & mask;
+
+  uint64_t ac = a * c;
+  uint64_t bc = b * c;
+  uint64_t ad = a * d;
+  uint64_t bd = b * d;
+
+  uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask);
+
+  return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32),
+          (intermediate << 32) + (bd & mask)};
+#endif
+}
+
 namespace dragonbox {
+// Computes floor(log10(pow(2, e))) for e in [-2620, 2620] using the method from
+// https://fmt.dev/papers/Dragonbox.pdf#page=28, section 6.1.
+inline int floor_log10_pow2(int e) noexcept {
+  FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent");
+  static_assert((-1 >> 1) == -1, "right shift is not arithmetic");
+  return (e * 315653) >> 20;
+}
+
+inline int floor_log2_pow10(int e) noexcept {
+  FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent");
+  return (e * 1741647) >> 19;
+}
+
+// Computes upper 64 bits of multiplication of two 64-bit unsigned integers.
+inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept {
+#if FMT_USE_INT128
+  auto p = static_cast<uint128_opt>(x) * static_cast<uint128_opt>(y);
+  return static_cast<uint64_t>(p >> 64);
+#elif defined(_MSC_VER) && defined(_M_X64)
+  return __umulh(x, y);
+#else
+  return umul128(x, y).high();
+#endif
+}
+
+// Computes upper 128 bits of multiplication of a 64-bit unsigned integer and a
+// 128-bit unsigned integer.
+inline uint128_fallback umul192_upper128(uint64_t x,
+                                         uint128_fallback y) noexcept {
+  uint128_fallback r = umul128(x, y.high());
+  r += umul128_upper64(x, y.low());
+  return r;
+}
+
+FMT_API uint128_fallback get_cached_power(int k) noexcept;
 
 // Type-specific information that Dragonbox uses.
 template <typename T, typename Enable = void> struct float_info;
@@ -1307,7 +1568,7 @@ template <> struct float_info<double> {
   static const int big_divisor = 1000;
   static const int small_divisor = 100;
   static const int min_k = -292;
-  static const int max_k = 326;
+  static const int max_k = 341;
   static const int shorter_interval_tie_lower_threshold = -77;
   static const int shorter_interval_tie_upper_threshold = -77;
 };
@@ -1354,8 +1615,8 @@ template <typename Float> constexpr int num_significand_bits() {
 template <typename Float>
 constexpr auto exponent_mask() ->
     typename dragonbox::float_info<Float>::carrier_uint {
-  using uint = typename dragonbox::float_info<Float>::carrier_uint;
-  return ((uint(1) << dragonbox::float_info<Float>::exponent_bits) - 1)
+  using float_uint = typename dragonbox::float_info<Float>::carrier_uint;
+  return ((float_uint(1) << dragonbox::float_info<Float>::exponent_bits) - 1)
          << num_significand_bits<Float>();
 }
 template <typename Float> constexpr auto exponent_bias() -> int {
@@ -1532,12 +1793,28 @@ template <typename T = void> struct basic_data {
   static constexpr uint64_t power_of_10_64[20] = {
       1, FMT_POWERS_OF_10(1ULL), FMT_POWERS_OF_10(1000000000ULL),
       10000000000000000000ULL};
+
+  // For checking rounding thresholds.
+  // The kth entry is chosen to be the smallest integer such that the
+  // upper 32-bits of 10^(k+1) times it is strictly bigger than 5 * 10^k.
+  static constexpr uint32_t fractional_part_rounding_thresholds[8] = {
+      2576980378,  // ceil(2^31 + 2^32/10^1)
+      2190433321,  // ceil(2^31 + 2^32/10^2)
+      2151778616,  // ceil(2^31 + 2^32/10^3)
+      2147913145,  // ceil(2^31 + 2^32/10^4)
+      2147526598,  // ceil(2^31 + 2^32/10^5)
+      2147487943,  // ceil(2^31 + 2^32/10^6)
+      2147484078,  // ceil(2^31 + 2^32/10^7)
+      2147483691   // ceil(2^31 + 2^32/10^8)
+  };
 };
 
 #if FMT_CPLUSPLUS < 201703L
 template <typename T> constexpr uint64_t basic_data<T>::pow10_significands[];
 template <typename T> constexpr int16_t basic_data<T>::pow10_exponents[];
 template <typename T> constexpr uint64_t basic_data<T>::power_of_10_64[];
+template <typename T>
+constexpr uint32_t basic_data<T>::fractional_part_rounding_thresholds[];
 #endif
 
 // This is a struct rather than an alias to avoid shadowing warnings in gcc.
@@ -1567,65 +1844,11 @@ FMT_CONSTEXPR inline fp get_cached_power(int min_exponent,
           *(data::pow10_exponents + index)};
 }
 
-#ifndef _MSC_VER
-#  define FMT_SNPRINTF snprintf
-#else
-FMT_API auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...) -> int;
-#  define FMT_SNPRINTF fmt_snprintf
-#endif  // _MSC_VER
-
-// Formats a floating-point number with snprintf using the hexfloat format.
-template <typename T>
-auto snprintf_float(T value, int precision, float_specs specs,
-                    buffer<char>& buf) -> int {
-  // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail.
-  FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer");
-  FMT_ASSERT(specs.format == float_format::hex, "");
-  static_assert(!std::is_same<T, float>::value, "");
-
-  // Build the format string.
-  char format[7];  // The longest format is "%#.*Le".
-  char* format_ptr = format;
-  *format_ptr++ = '%';
-  if (specs.showpoint) *format_ptr++ = '#';
-  if (precision >= 0) {
-    *format_ptr++ = '.';
-    *format_ptr++ = '*';
-  }
-  if (std::is_same<T, long double>()) *format_ptr++ = 'L';
-  *format_ptr++ = specs.upper ? 'A' : 'a';
-  *format_ptr = '\0';
-
-  // Format using snprintf.
-  auto offset = buf.size();
-  for (;;) {
-    auto begin = buf.data() + offset;
-    auto capacity = buf.capacity() - offset;
-    abort_fuzzing_if(precision > 100000);
-    // Suppress the warning about a nonliteral format string.
-    // Cannot use auto because of a bug in MinGW (#1532).
-    int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
-    int result = precision >= 0
-                     ? snprintf_ptr(begin, capacity, format, precision, value)
-                     : snprintf_ptr(begin, capacity, format, value);
-    if (result < 0) {
-      // The buffer will grow exponentially.
-      buf.try_reserve(buf.capacity() + 1);
-      continue;
-    }
-    auto size = to_unsigned(result);
-    // Size equal to capacity means that the last character was truncated.
-    if (size < capacity) {
-      buf.try_resize(size + offset);
-      return 0;
-    }
-    buf.try_reserve(size + offset + 1);  // Add 1 for the terminating '\0'.
-  }
-}
-
 template <typename T>
 using convert_float_result =
-    conditional_t<std::is_same<T, float>::value || sizeof(T) == sizeof(double),
+    conditional_t<std::is_same<T, float>::value ||
+                      std::numeric_limits<T>::digits ==
+                          std::numeric_limits<double>::digits,
                   double, T>;
 
 template <typename T>
@@ -1649,8 +1872,7 @@ FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n,
 // width: output display width in (terminal) column positions.
 template <align::type align = align::left, typename OutputIt, typename Char,
           typename F>
-FMT_CONSTEXPR auto write_padded(OutputIt out,
-                                const basic_format_specs<Char>& specs,
+FMT_CONSTEXPR auto write_padded(OutputIt out, const format_specs<Char>& specs,
                                 size_t size, size_t width, F&& f) -> OutputIt {
   static_assert(align == align::left || align == align::right, "");
   unsigned spec_width = to_unsigned(specs.width);
@@ -1669,15 +1891,14 @@ FMT_CONSTEXPR auto write_padded(OutputIt out,
 
 template <align::type align = align::left, typename OutputIt, typename Char,
           typename F>
-constexpr auto write_padded(OutputIt out, const basic_format_specs<Char>& specs,
+constexpr auto write_padded(OutputIt out, const format_specs<Char>& specs,
                             size_t size, F&& f) -> OutputIt {
   return write_padded<align>(out, specs, size, size, f);
 }
 
 template <align::type align = align::left, typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes,
-                               const basic_format_specs<Char>& specs)
-    -> OutputIt {
+                               const format_specs<Char>& specs) -> OutputIt {
   return write_padded<align>(
       out, specs, bytes.size(), [bytes](reserve_iterator<OutputIt> it) {
         const char* data = bytes.data();
@@ -1686,8 +1907,8 @@ FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes,
 }
 
 template <typename Char, typename OutputIt, typename UIntPtr>
-auto write_ptr(OutputIt out, UIntPtr value,
-               const basic_format_specs<Char>* specs) -> OutputIt {
+auto write_ptr(OutputIt out, UIntPtr value, const format_specs<Char>* specs)
+    -> OutputIt {
   int num_digits = count_digits<4>(value);
   auto size = to_unsigned(num_digits) + size_t(2);
   auto write = [=](reserve_iterator<OutputIt> it) {
@@ -1806,16 +2027,14 @@ auto write_escaped_cp(OutputIt out, const find_escape_result<Char>& escape)
     *out++ = static_cast<Char>('\\');
     break;
   default:
-    if (is_utf8()) {
-      if (escape.cp < 0x100) {
-        return write_codepoint<2, Char>(out, 'x', escape.cp);
-      }
-      if (escape.cp < 0x10000) {
-        return write_codepoint<4, Char>(out, 'u', escape.cp);
-      }
-      if (escape.cp < 0x110000) {
-        return write_codepoint<8, Char>(out, 'U', escape.cp);
-      }
+    if (escape.cp < 0x100) {
+      return write_codepoint<2, Char>(out, 'x', escape.cp);
+    }
+    if (escape.cp < 0x10000) {
+      return write_codepoint<4, Char>(out, 'u', escape.cp);
+    }
+    if (escape.cp < 0x110000) {
+      return write_codepoint<8, Char>(out, 'U', escape.cp);
     }
     for (Char escape_char : basic_string_view<Char>(
              escape.begin, to_unsigned(escape.end - escape.begin))) {
@@ -1860,8 +2079,7 @@ auto write_escaped_char(OutputIt out, Char v) -> OutputIt {
 
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write_char(OutputIt out, Char value,
-                              const basic_format_specs<Char>& specs)
-    -> OutputIt {
+                              const format_specs<Char>& specs) -> OutputIt {
   bool is_debug = specs.type == presentation_type::debug;
   return write_padded(out, specs, 1, [=](reserve_iterator<OutputIt> it) {
     if (is_debug) return write_escaped_char(it, value);
@@ -1871,11 +2089,14 @@ FMT_CONSTEXPR auto write_char(OutputIt out, Char value,
 }
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write(OutputIt out, Char value,
-                         const basic_format_specs<Char>& specs,
-                         locale_ref loc = {}) -> OutputIt {
+                         const format_specs<Char>& specs, locale_ref loc = {})
+    -> OutputIt {
+  // char is formatted as unsigned char for consistency across platforms.
+  using unsigned_type =
+      conditional_t<std::is_same<Char, char>::value, unsigned char, unsigned>;
   return check_char_specs(specs)
              ? write_char(out, value, specs)
-             : write(out, static_cast<int>(value), specs, loc);
+             : write(out, static_cast<unsigned_type>(value), specs, loc);
 }
 
 // Data for write_int that doesn't depend on output iterator type. It is used to
@@ -1885,7 +2106,7 @@ template <typename Char> struct write_int_data {
   size_t padding;
 
   FMT_CONSTEXPR write_int_data(int num_digits, unsigned prefix,
-                               const basic_format_specs<Char>& specs)
+                               const format_specs<Char>& specs)
       : size((prefix >> 24) + to_unsigned(num_digits)), padding(0) {
     if (specs.align == align::numeric) {
       auto width = to_unsigned(specs.width);
@@ -1907,7 +2128,7 @@ template <typename Char> struct write_int_data {
 template <typename OutputIt, typename Char, typename W>
 FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, int num_digits,
                                         unsigned prefix,
-                                        const basic_format_specs<Char>& specs,
+                                        const format_specs<Char>& specs,
                                         W write_digits) -> OutputIt {
   // Slightly faster check for specs.width == 0 && specs.precision == -1.
   if ((specs.width | (specs.precision + 1)) == 0) {
@@ -1930,19 +2151,19 @@ FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, int num_digits,
 
 template <typename Char> class digit_grouping {
  private:
-  thousands_sep_result<Char> sep_;
+  std::string grouping_;
+  std::basic_string<Char> thousands_sep_;
 
   struct next_state {
     std::string::const_iterator group;
     int pos;
   };
-  next_state initial_state() const { return {sep_.grouping.begin(), 0}; }
+  next_state initial_state() const { return {grouping_.begin(), 0}; }
 
   // Returns the next digit group separator position.
   int next(next_state& state) const {
-    if (!sep_.thousands_sep) return max_value<int>();
-    if (state.group == sep_.grouping.end())
-      return state.pos += sep_.grouping.back();
+    if (thousands_sep_.empty()) return max_value<int>();
+    if (state.group == grouping_.end()) return state.pos += grouping_.back();
     if (*state.group <= 0 || *state.group == max_value<char>())
       return max_value<int>();
     state.pos += *state.group++;
@@ -1951,14 +2172,15 @@ template <typename Char> class digit_grouping {
 
  public:
   explicit digit_grouping(locale_ref loc, bool localized = true) {
-    if (localized)
-      sep_ = thousands_sep<Char>(loc);
-    else
-      sep_.thousands_sep = Char();
+    if (!localized) return;
+    auto sep = thousands_sep<Char>(loc);
+    grouping_ = sep.grouping;
+    if (sep.thousands_sep) thousands_sep_.assign(1, sep.thousands_sep);
   }
-  explicit digit_grouping(thousands_sep_result<Char> sep) : sep_(sep) {}
+  digit_grouping(std::string grouping, std::basic_string<Char> sep)
+      : grouping_(std::move(grouping)), thousands_sep_(std::move(sep)) {}
 
-  Char separator() const { return sep_.thousands_sep; }
+  bool has_separator() const { return !thousands_sep_.empty(); }
 
   int count_separators(int num_digits) const {
     int count = 0;
@@ -1981,7 +2203,9 @@ template <typename Char> class digit_grouping {
     for (int i = 0, sep_index = static_cast<int>(separators.size() - 1);
          i < num_digits; ++i) {
       if (num_digits - i == separators[sep_index]) {
-        *out++ = separator();
+        out =
+            copy_str<Char>(thousands_sep_.data(),
+                           thousands_sep_.data() + thousands_sep_.size(), out);
         --sep_index;
       }
       *out++ = static_cast<Char>(digits[to_unsigned(i)]);
@@ -1990,10 +2214,11 @@ template <typename Char> class digit_grouping {
   }
 };
 
+// Writes a decimal integer with digit grouping.
 template <typename OutputIt, typename UInt, typename Char>
-auto write_int_localized(OutputIt out, UInt value, unsigned prefix,
-                         const basic_format_specs<Char>& specs,
-                         const digit_grouping<Char>& grouping) -> OutputIt {
+auto write_int(OutputIt out, UInt value, unsigned prefix,
+               const format_specs<Char>& specs,
+               const digit_grouping<Char>& grouping) -> OutputIt {
   static_assert(std::is_same<uint64_or_128_t<UInt>, UInt>::value, "");
   int num_digits = count_digits(value);
   char digits[40];
@@ -2010,13 +2235,13 @@ auto write_int_localized(OutputIt out, UInt value, unsigned prefix,
       });
 }
 
-template <typename OutputIt, typename UInt, typename Char>
-auto write_int_localized(OutputIt& out, UInt value, unsigned prefix,
-                         const basic_format_specs<Char>& specs, locale_ref loc)
-    -> bool {
-  auto grouping = digit_grouping<Char>(loc);
-  out = write_int_localized(out, value, prefix, specs, grouping);
-  return true;
+// Writes a localized value.
+FMT_API auto write_loc(appender out, loc_value value,
+                       const format_specs<>& specs, locale_ref loc) -> bool;
+template <typename OutputIt, typename Char>
+inline auto write_loc(OutputIt, loc_value, const format_specs<Char>&,
+                      locale_ref) -> bool {
+  return false;
 }
 
 FMT_CONSTEXPR inline void prefix_append(unsigned& prefix, unsigned value) {
@@ -2045,21 +2270,37 @@ FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign)
   return {abs_value, prefix};
 }
 
+template <typename Char = char> struct loc_writer {
+  buffer_appender<Char> out;
+  const format_specs<Char>& specs;
+  std::basic_string<Char> sep;
+  std::string grouping;
+  std::basic_string<Char> decimal_point;
+
+  template <typename T, FMT_ENABLE_IF(is_integer<T>::value)>
+  auto operator()(T value) -> bool {
+    auto arg = make_write_int_arg(value, specs.sign);
+    write_int(out, static_cast<uint64_or_128_t<T>>(arg.abs_value), arg.prefix,
+              specs, digit_grouping<Char>(grouping, sep));
+    return true;
+  }
+
+  template <typename T, FMT_ENABLE_IF(!is_integer<T>::value)>
+  auto operator()(T) -> bool {
+    return false;
+  }
+};
+
 template <typename Char, typename OutputIt, typename T>
 FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg<T> arg,
-                                        const basic_format_specs<Char>& specs,
-                                        locale_ref loc) -> OutputIt {
+                                        const format_specs<Char>& specs,
+                                        locale_ref) -> OutputIt {
   static_assert(std::is_same<T, uint32_or_64_or_128_t<T>>::value, "");
   auto abs_value = arg.abs_value;
   auto prefix = arg.prefix;
   switch (specs.type) {
   case presentation_type::none:
   case presentation_type::dec: {
-    if (specs.localized &&
-        write_int_localized(out, static_cast<uint64_or_128_t<T>>(abs_value),
-                            prefix, specs, loc)) {
-      return out;
-    }
     auto num_digits = count_digits(abs_value);
     return write_int(
         out, num_digits, prefix, specs, [=](reserve_iterator<OutputIt> it) {
@@ -2102,13 +2343,13 @@ FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg<T> arg,
   case presentation_type::chr:
     return write_char(out, static_cast<Char>(abs_value), specs);
   default:
-    throw_format_error("invalid type specifier");
+    throw_format_error("invalid format specifier");
   }
   return out;
 }
 template <typename Char, typename OutputIt, typename T>
 FMT_CONSTEXPR FMT_NOINLINE auto write_int_noinline(
-    OutputIt out, write_int_arg<T> arg, const basic_format_specs<Char>& specs,
+    OutputIt out, write_int_arg<T> arg, const format_specs<Char>& specs,
     locale_ref loc) -> OutputIt {
   return write_int(out, arg, specs, loc);
 }
@@ -2117,8 +2358,9 @@ template <typename Char, typename OutputIt, typename T,
                         !std::is_same<T, bool>::value &&
                         std::is_same<OutputIt, buffer_appender<Char>>::value)>
 FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value,
-                                    const basic_format_specs<Char>& specs,
+                                    const format_specs<Char>& specs,
                                     locale_ref loc) -> OutputIt {
+  if (specs.localized && write_loc(out, value, specs, loc)) return out;
   return write_int_noinline(out, make_write_int_arg(value, specs.sign), specs,
                             loc);
 }
@@ -2128,8 +2370,9 @@ template <typename Char, typename OutputIt, typename T,
                         !std::is_same<T, bool>::value &&
                         !std::is_same<OutputIt, buffer_appender<Char>>::value)>
 FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value,
-                                    const basic_format_specs<Char>& specs,
+                                    const format_specs<Char>& specs,
                                     locale_ref loc) -> OutputIt {
+  if (specs.localized && write_loc(out, value, specs, loc)) return out;
   return write_int(out, make_write_int_arg(value, specs.sign), specs, loc);
 }
 
@@ -2175,7 +2418,7 @@ class counting_iterator {
 
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write(OutputIt out, basic_string_view<Char> s,
-                         const basic_format_specs<Char>& specs) -> OutputIt {
+                         const format_specs<Char>& specs) -> OutputIt {
   auto data = s.data();
   auto size = s.size();
   if (specs.precision >= 0 && to_unsigned(specs.precision) < size)
@@ -2197,16 +2440,15 @@ FMT_CONSTEXPR auto write(OutputIt out, basic_string_view<Char> s,
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write(OutputIt out,
                          basic_string_view<type_identity_t<Char>> s,
-                         const basic_format_specs<Char>& specs, locale_ref)
+                         const format_specs<Char>& specs, locale_ref)
     -> OutputIt {
-  check_string_type_spec(specs.type);
   return write(out, s, specs);
 }
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR auto write(OutputIt out, const Char* s,
-                         const basic_format_specs<Char>& specs, locale_ref)
+                         const format_specs<Char>& specs, locale_ref)
     -> OutputIt {
-  return check_cstring_type_spec(specs.type)
+  return specs.type != presentation_type::pointer
              ? write(out, basic_string_view<Char>(s), specs, {})
              : write_ptr<Char>(out, bit_cast<uintptr_t>(s), &specs);
 }
@@ -2233,9 +2475,71 @@ FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt {
   return base_iterator(out, it);
 }
 
+// A floating-point presentation format.
+enum class float_format : unsigned char {
+  general,  // General: exponent notation or fixed point based on magnitude.
+  exp,      // Exponent notation with the default precision of 6, e.g. 1.2e-3.
+  fixed,    // Fixed point with the default precision of 6, e.g. 0.0012.
+  hex
+};
+
+struct float_specs {
+  int precision;
+  float_format format : 8;
+  sign_t sign : 8;
+  bool upper : 1;
+  bool locale : 1;
+  bool binary32 : 1;
+  bool showpoint : 1;
+};
+
+template <typename ErrorHandler = error_handler, typename Char>
+FMT_CONSTEXPR auto parse_float_type_spec(const format_specs<Char>& specs,
+                                         ErrorHandler&& eh = {})
+    -> float_specs {
+  auto result = float_specs();
+  result.showpoint = specs.alt;
+  result.locale = specs.localized;
+  switch (specs.type) {
+  case presentation_type::none:
+    result.format = float_format::general;
+    break;
+  case presentation_type::general_upper:
+    result.upper = true;
+    FMT_FALLTHROUGH;
+  case presentation_type::general_lower:
+    result.format = float_format::general;
+    break;
+  case presentation_type::exp_upper:
+    result.upper = true;
+    FMT_FALLTHROUGH;
+  case presentation_type::exp_lower:
+    result.format = float_format::exp;
+    result.showpoint |= specs.precision != 0;
+    break;
+  case presentation_type::fixed_upper:
+    result.upper = true;
+    FMT_FALLTHROUGH;
+  case presentation_type::fixed_lower:
+    result.format = float_format::fixed;
+    result.showpoint |= specs.precision != 0;
+    break;
+  case presentation_type::hexfloat_upper:
+    result.upper = true;
+    FMT_FALLTHROUGH;
+  case presentation_type::hexfloat_lower:
+    result.format = float_format::hex;
+    break;
+  default:
+    eh.on_error("invalid format specifier");
+    break;
+  }
+  return result;
+}
+
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR20 auto write_nonfinite(OutputIt out, bool isnan,
-                                     basic_format_specs<Char> specs,
+                                     format_specs<Char> specs,
                                      const float_specs& fspecs) -> OutputIt {
   auto str =
       isnan ? (fspecs.upper ? "NAN" : "nan") : (fspecs.upper ? "INF" : "inf");
@@ -2281,7 +2585,7 @@ template <typename Char, typename OutputIt, typename T, typename Grouping>
 FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand,
                                        int significand_size, int exponent,
                                        const Grouping& grouping) -> OutputIt {
-  if (!grouping.separator()) {
+  if (!grouping.has_separator()) {
     out = write_significand<Char>(out, significand, significand_size);
     return detail::fill_n(out, exponent, static_cast<Char>('0'));
   }
@@ -2343,7 +2647,7 @@ FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand,
                                        int significand_size, int integral_size,
                                        Char decimal_point,
                                        const Grouping& grouping) -> OutputIt {
-  if (!grouping.separator()) {
+  if (!grouping.has_separator()) {
     return write_significand(out, significand, significand_size, integral_size,
                              decimal_point);
   }
@@ -2359,7 +2663,7 @@ FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand,
 template <typename OutputIt, typename DecimalFP, typename Char,
           typename Grouping = digit_grouping<Char>>
 FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
-                                    const basic_format_specs<Char>& specs,
+                                    const format_specs<Char>& specs,
                                     float_specs fspecs, locale_ref loc)
     -> OutputIt {
   auto significand = f.significand;
@@ -2418,7 +2722,7 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
     abort_fuzzing_if(num_zeros > 5000);
     if (fspecs.showpoint) {
       ++size;
-      if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1;
+      if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 0;
       if (num_zeros > 0) size += to_unsigned(num_zeros);
     }
     auto grouping = Grouping(loc, fspecs.locale);
@@ -2436,7 +2740,7 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
     int num_zeros = fspecs.showpoint ? fspecs.precision - significand_size : 0;
     size += 1 + to_unsigned(num_zeros > 0 ? num_zeros : 0);
     auto grouping = Grouping(loc, fspecs.locale);
-    size += to_unsigned(grouping.count_separators(significand_size));
+    size += to_unsigned(grouping.count_separators(exp));
     return write_padded<align::right>(out, specs, size, [&](iterator it) {
       if (sign) *it++ = detail::sign<Char>(sign);
       it = write_significand(it, significand, significand_size, exp,
@@ -2466,7 +2770,7 @@ template <typename Char> class fallback_digit_grouping {
  public:
   constexpr fallback_digit_grouping(locale_ref, bool) {}
 
-  constexpr Char separator() const { return Char(); }
+  constexpr bool has_separator() const { return false; }
 
   constexpr int count_separators(int) const { return 0; }
 
@@ -2478,7 +2782,7 @@ template <typename Char> class fallback_digit_grouping {
 
 template <typename OutputIt, typename DecimalFP, typename Char>
 FMT_CONSTEXPR20 auto write_float(OutputIt out, const DecimalFP& f,
-                                 const basic_format_specs<Char>& specs,
+                                 const format_specs<Char>& specs,
                                  float_specs fspecs, locale_ref loc)
     -> OutputIt {
   if (is_constant_evaluated()) {
@@ -2506,14 +2810,14 @@ template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value&&
 FMT_CONSTEXPR20 bool isfinite(T value) {
   constexpr T inf = T(std::numeric_limits<double>::infinity());
   if (is_constant_evaluated())
-    return !detail::isnan(value) && value != inf && value != -inf;
+    return !detail::isnan(value) && value < inf && value > -inf;
   return std::isfinite(value);
 }
 template <typename T, FMT_ENABLE_IF(!has_isfinite<T>::value)>
 FMT_CONSTEXPR bool isfinite(T value) {
   T inf = T(std::numeric_limits<double>::infinity());
   // std::isfinite doesn't support __float128.
-  return !detail::isnan(value) && value != inf && value != -inf;
+  return !detail::isnan(value) && value < inf && value > -inf;
 }
 
 template <typename T, FMT_ENABLE_IF(is_floating_point<T>::value)>
@@ -3094,6 +3398,94 @@ FMT_CONSTEXPR20 inline void format_dragon(basic_fp<uint128_t> value,
   buf[num_digits - 1] = static_cast<char>('0' + digit);
 }
 
+// Formats a floating-point number using the hexfloat format.
+template <typename Float, FMT_ENABLE_IF(!is_double_double<Float>::value)>
+FMT_CONSTEXPR20 void format_hexfloat(Float value, int precision,
+                                     float_specs specs, buffer<char>& buf) {
+  // float is passed as double to reduce the number of instantiations and to
+  // simplify implementation.
+  static_assert(!std::is_same<Float, float>::value, "");
+
+  using info = dragonbox::float_info<Float>;
+
+  // Assume Float is in the format [sign][exponent][significand].
+  using carrier_uint = typename info::carrier_uint;
+
+  constexpr auto num_float_significand_bits =
+      detail::num_significand_bits<Float>();
+
+  basic_fp<carrier_uint> f(value);
+  f.e += num_float_significand_bits;
+  if (!has_implicit_bit<Float>()) --f.e;
+
+  constexpr auto num_fraction_bits =
+      num_float_significand_bits + (has_implicit_bit<Float>() ? 1 : 0);
+  constexpr auto num_xdigits = (num_fraction_bits + 3) / 4;
+
+  constexpr auto leading_shift = ((num_xdigits - 1) * 4);
+  const auto leading_mask = carrier_uint(0xF) << leading_shift;
+  const auto leading_xdigit =
+      static_cast<uint32_t>((f.f & leading_mask) >> leading_shift);
+  if (leading_xdigit > 1) f.e -= (32 - countl_zero(leading_xdigit) - 1);
+
+  int print_xdigits = num_xdigits - 1;
+  if (precision >= 0 && print_xdigits > precision) {
+    const int shift = ((print_xdigits - precision - 1) * 4);
+    const auto mask = carrier_uint(0xF) << shift;
+    const auto v = static_cast<uint32_t>((f.f & mask) >> shift);
+
+    if (v >= 8) {
+      const auto inc = carrier_uint(1) << (shift + 4);
+      f.f += inc;
+      f.f &= ~(inc - 1);
+    }
+
+    // Check long double overflow
+    if (!has_implicit_bit<Float>()) {
+      const auto implicit_bit = carrier_uint(1) << num_float_significand_bits;
+      if ((f.f & implicit_bit) == implicit_bit) {
+        f.f >>= 4;
+        f.e += 4;
+      }
+    }
+
+    print_xdigits = precision;
+  }
+
+  char xdigits[num_bits<carrier_uint>() / 4];
+  detail::fill_n(xdigits, sizeof(xdigits), '0');
+  format_uint<4>(xdigits, f.f, num_xdigits, specs.upper);
+
+  // Remove zero tail
+  while (print_xdigits > 0 && xdigits[print_xdigits] == '0') --print_xdigits;
+
+  buf.push_back('0');
+  buf.push_back(specs.upper ? 'X' : 'x');
+  buf.push_back(xdigits[0]);
+  if (specs.showpoint || print_xdigits > 0 || print_xdigits < precision)
+    buf.push_back('.');
+  buf.append(xdigits + 1, xdigits + 1 + print_xdigits);
+  for (; print_xdigits < precision; ++print_xdigits) buf.push_back('0');
+
+  buf.push_back(specs.upper ? 'P' : 'p');
+
+  uint32_t abs_e;
+  if (f.e < 0) {
+    buf.push_back('-');
+    abs_e = static_cast<uint32_t>(-f.e);
+  } else {
+    buf.push_back('+');
+    abs_e = static_cast<uint32_t>(f.e);
+  }
+  format_decimal<char>(appender(buf), abs_e, detail::count_digits(abs_e));
+}
+
+template <typename Float, FMT_ENABLE_IF(is_double_double<Float>::value)>
+FMT_CONSTEXPR20 void format_hexfloat(Float value, int precision,
+                                     float_specs specs, buffer<char>& buf) {
+  format_hexfloat(static_cast<double>(value), precision, specs, buf);
+}
+
 template <typename Float>
 FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs,
                                   buffer<char>& buf) -> int {
@@ -3137,7 +3529,7 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs,
     auto dec = dragonbox::to_decimal(static_cast<double>(value));
     write<char>(buffer_appender<char>(buf), dec.significand);
     return dec.exponent;
-  } else {
+  } else if (is_constant_evaluated()) {
     // Use Grisu + Dragon4 for the given precision:
     // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf.
     const int min_exp = -60;  // alpha in Grisu.
@@ -3156,6 +3548,248 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs,
       exp += handler.size - cached_exp10 - 1;
       precision = handler.precision;
     }
+  } else {
+    // Extract significand bits and exponent bits.
+    using info = dragonbox::float_info<double>;
+    auto br = bit_cast<uint64_t>(static_cast<double>(value));
+
+    const uint64_t significand_mask =
+        (static_cast<uint64_t>(1) << num_significand_bits<double>()) - 1;
+    uint64_t significand = (br & significand_mask);
+    int exponent = static_cast<int>((br & exponent_mask<double>()) >>
+                                    num_significand_bits<double>());
+
+    if (exponent != 0) {  // Check if normal.
+      exponent -= exponent_bias<double>() + num_significand_bits<double>();
+      significand |=
+          (static_cast<uint64_t>(1) << num_significand_bits<double>());
+      significand <<= 1;
+    } else {
+      // Normalize subnormal inputs.
+      FMT_ASSERT(significand != 0, "zeros should not appear hear");
+      int shift = countl_zero(significand);
+      FMT_ASSERT(shift >= num_bits<uint64_t>() - num_significand_bits<double>(),
+                 "");
+      shift -= (num_bits<uint64_t>() - num_significand_bits<double>() - 2);
+      exponent = (std::numeric_limits<double>::min_exponent -
+                  num_significand_bits<double>()) -
+                 shift;
+      significand <<= shift;
+    }
+
+    // Compute the first several nonzero decimal significand digits.
+    // We call the number we get the first segment.
+    const int k = info::kappa - dragonbox::floor_log10_pow2(exponent);
+    exp = -k;
+    const int beta = exponent + dragonbox::floor_log2_pow10(k);
+    uint64_t first_segment;
+    bool has_more_segments;
+    int digits_in_the_first_segment;
+    {
+      const auto r = dragonbox::umul192_upper128(
+          significand << beta, dragonbox::get_cached_power(k));
+      first_segment = r.high();
+      has_more_segments = r.low() != 0;
+
+      // The first segment can have 18 ~ 19 digits.
+      if (first_segment >= 1000000000000000000ULL) {
+        digits_in_the_first_segment = 19;
+      } else {
+        // When it is of 18-digits, we align it to 19-digits by adding a bogus
+        // zero at the end.
+        digits_in_the_first_segment = 18;
+        first_segment *= 10;
+      }
+    }
+
+    // Compute the actual number of decimal digits to print.
+    if (fixed) {
+      adjust_precision(precision, exp + digits_in_the_first_segment);
+    }
+
+    // Use Dragon4 only when there might be not enough digits in the first
+    // segment.
+    if (digits_in_the_first_segment > precision) {
+      use_dragon = false;
+
+      if (precision <= 0) {
+        exp += digits_in_the_first_segment;
+
+        if (precision < 0) {
+          // Nothing to do, since all we have are just leading zeros.
+          buf.try_resize(0);
+        } else {
+          // We may need to round-up.
+          buf.try_resize(1);
+          if ((first_segment | static_cast<uint64_t>(has_more_segments)) >
+              5000000000000000000ULL) {
+            buf[0] = '1';
+          } else {
+            buf[0] = '0';
+          }
+        }
+      }  // precision <= 0
+      else {
+        exp += digits_in_the_first_segment - precision;
+
+        // When precision > 0, we divide the first segment into three
+        // subsegments, each with 9, 9, and 0 ~ 1 digits so that each fits
+        // in 32-bits which usually allows faster calculation than in
+        // 64-bits. Since some compiler (e.g. MSVC) doesn't know how to optimize
+        // division-by-constant for large 64-bit divisors, we do it here
+        // manually. The magic number 7922816251426433760 below is equal to
+        // ceil(2^(64+32) / 10^10).
+        const uint32_t first_subsegment = static_cast<uint32_t>(
+            dragonbox::umul128_upper64(first_segment, 7922816251426433760ULL) >>
+            32);
+        const uint64_t second_third_subsegments =
+            first_segment - first_subsegment * 10000000000ULL;
+
+        uint64_t prod;
+        uint32_t digits;
+        bool should_round_up;
+        int number_of_digits_to_print = precision > 9 ? 9 : precision;
+
+        // Print a 9-digits subsegment, either the first or the second.
+        auto print_subsegment = [&](uint32_t subsegment, char* buffer) {
+          int number_of_digits_printed = 0;
+
+          // If we want to print an odd number of digits from the subsegment,
+          if ((number_of_digits_to_print & 1) != 0) {
+            // Convert to 64-bit fixed-point fractional form with 1-digit
+            // integer part. The magic number 720575941 is a good enough
+            // approximation of 2^(32 + 24) / 10^8; see
+            // https://jk-jeon.github.io/posts/2022/12/fixed-precision-formatting/#fixed-length-case
+            // for details.
+            prod = ((subsegment * static_cast<uint64_t>(720575941)) >> 24) + 1;
+            digits = static_cast<uint32_t>(prod >> 32);
+            *buffer = static_cast<char>('0' + digits);
+            number_of_digits_printed++;
+          }
+          // If we want to print an even number of digits from the
+          // first_subsegment,
+          else {
+            // Convert to 64-bit fixed-point fractional form with 2-digits
+            // integer part. The magic number 450359963 is a good enough
+            // approximation of 2^(32 + 20) / 10^7; see
+            // https://jk-jeon.github.io/posts/2022/12/fixed-precision-formatting/#fixed-length-case
+            // for details.
+            prod = ((subsegment * static_cast<uint64_t>(450359963)) >> 20) + 1;
+            digits = static_cast<uint32_t>(prod >> 32);
+            copy2(buffer, digits2(digits));
+            number_of_digits_printed += 2;
+          }
+
+          // Print all digit pairs.
+          while (number_of_digits_printed < number_of_digits_to_print) {
+            prod = static_cast<uint32_t>(prod) * static_cast<uint64_t>(100);
+            digits = static_cast<uint32_t>(prod >> 32);
+            copy2(buffer + number_of_digits_printed, digits2(digits));
+            number_of_digits_printed += 2;
+          }
+        };
+
+        // Print first subsegment.
+        print_subsegment(first_subsegment, buf.data());
+
+        // Perform rounding if the first subsegment is the last subsegment to
+        // print.
+        if (precision <= 9) {
+          // Rounding inside the subsegment.
+          // We round-up if:
+          //  - either the fractional part is strictly larger than 1/2, or
+          //  - the fractional part is exactly 1/2 and the last digit is odd.
+          // We rely on the following observations:
+          //  - If fractional_part >= threshold, then the fractional part is
+          //    strictly larger than 1/2.
+          //  - If the MSB of fractional_part is set, then the fractional part
+          //    must be at least 1/2.
+          //  - When the MSB of fractional_part is set, either
+          //    second_third_subsegments being nonzero or has_more_segments
+          //    being true means there are further digits not printed, so the
+          //    fractional part is strictly larger than 1/2.
+          if (precision < 9) {
+            uint32_t fractional_part = static_cast<uint32_t>(prod);
+            should_round_up = fractional_part >=
+                                  data::fractional_part_rounding_thresholds
+                                      [8 - number_of_digits_to_print] ||
+                              ((fractional_part >> 31) &
+                               ((digits & 1) | (second_third_subsegments != 0) |
+                                has_more_segments)) != 0;
+          }
+          // Rounding at the subsegment boundary.
+          // In this case, the fractional part is at least 1/2 if and only if
+          // second_third_subsegments >= 5000000000ULL, and is strictly larger
+          // than 1/2 if we further have either second_third_subsegments >
+          // 5000000000ULL or has_more_segments == true.
+          else {
+            should_round_up = second_third_subsegments > 5000000000ULL ||
+                              (second_third_subsegments == 5000000000ULL &&
+                               ((digits & 1) != 0 || has_more_segments));
+          }
+        }
+        // Otherwise, print the second subsegment.
+        else {
+          // Compilers are not aware of how to leverage the maximum value of
+          // second_third_subsegments to find out a better magic number which
+          // allows us to eliminate an additional shift. 1844674407370955162 =
+          // ceil(2^64/10) < ceil(2^64*(10^9/(10^10 - 1))).
+          const uint32_t second_subsegment =
+              static_cast<uint32_t>(dragonbox::umul128_upper64(
+                  second_third_subsegments, 1844674407370955162ULL));
+          const uint32_t third_subsegment =
+              static_cast<uint32_t>(second_third_subsegments) -
+              second_subsegment * 10;
+
+          number_of_digits_to_print = precision - 9;
+          print_subsegment(second_subsegment, buf.data() + 9);
+
+          // Rounding inside the subsegment.
+          if (precision < 18) {
+            // The condition third_subsegment != 0 implies that the segment was
+            // of 19 digits, so in this case the third segment should be
+            // consisting of a genuine digit from the input.
+            uint32_t fractional_part = static_cast<uint32_t>(prod);
+            should_round_up = fractional_part >=
+                                  data::fractional_part_rounding_thresholds
+                                      [8 - number_of_digits_to_print] ||
+                              ((fractional_part >> 31) &
+                               ((digits & 1) | (third_subsegment != 0) |
+                                has_more_segments)) != 0;
+          }
+          // Rounding at the subsegment boundary.
+          else {
+            // In this case, the segment must be of 19 digits, thus
+            // the third subsegment should be consisting of a genuine digit from
+            // the input.
+            should_round_up = third_subsegment > 5 ||
+                              (third_subsegment == 5 &&
+                               ((digits & 1) != 0 || has_more_segments));
+          }
+        }
+
+        // Round-up if necessary.
+        if (should_round_up) {
+          ++buf[precision - 1];
+          for (int i = precision - 1; i > 0 && buf[i] > '9'; --i) {
+            buf[i] = '0';
+            ++buf[i - 1];
+          }
+          if (buf[0] > '9') {
+            buf[0] = '1';
+            if (fixed)
+              buf[precision++] = '0';
+            else
+              ++exp;
+          }
+        }
+        buf.try_resize(to_unsigned(precision));
+      }
+    }  // if (digits_in_the_first_segment > precision)
+    else {
+      // Adjust the exponent for its use in Dragon4.
+      exp += digits_in_the_first_segment - 1;
+    }
   }
   if (use_dragon) {
     auto f = basic_fp<uint128_t>();
@@ -3181,13 +3815,10 @@ FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs,
   }
   return exp;
 }
-
-template <typename Char, typename OutputIt, typename T,
-          FMT_ENABLE_IF(is_floating_point<T>::value)>
-FMT_CONSTEXPR20 auto write(OutputIt out, T value,
-                           basic_format_specs<Char> specs, locale_ref loc = {})
+template <typename Char, typename OutputIt, typename T>
+FMT_CONSTEXPR20 auto write_float(OutputIt out, T value,
+                                 format_specs<Char> specs, locale_ref loc)
     -> OutputIt {
-  if (const_check(!is_supported_floating_point(value))) return out;
   float_specs fspecs = parse_float_type_spec(specs);
   fspecs.sign = specs.sign;
   if (detail::signbit(value)) {  // value < 0 is false for NaN so use signbit.
@@ -3211,7 +3842,7 @@ FMT_CONSTEXPR20 auto write(OutputIt out, T value,
   memory_buffer buffer;
   if (fspecs.format == float_format::hex) {
     if (fspecs.sign) buffer.push_back(detail::sign<char>(fspecs.sign));
-    snprintf_float(convert_float(value), specs.precision, fspecs, buffer);
+    format_hexfloat(convert_float(value), specs.precision, fspecs, buffer);
     return write_bytes<align::right>(out, {buffer.data(), buffer.size()},
                                      specs);
   }
@@ -3233,11 +3864,20 @@ FMT_CONSTEXPR20 auto write(OutputIt out, T value,
   return write_float(out, f, specs, fspecs, loc);
 }
 
+template <typename Char, typename OutputIt, typename T,
+          FMT_ENABLE_IF(is_floating_point<T>::value)>
+FMT_CONSTEXPR20 auto write(OutputIt out, T value, format_specs<Char> specs,
+                           locale_ref loc = {}) -> OutputIt {
+  if (const_check(!is_supported_floating_point(value))) return out;
+  return specs.localized && write_loc(out, value, specs, loc)
+             ? out
+             : write_float(out, value, specs, loc);
+}
+
 template <typename Char, typename OutputIt, typename T,
           FMT_ENABLE_IF(is_fast_float<T>::value)>
 FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt {
-  if (is_constant_evaluated())
-    return write(out, value, basic_format_specs<Char>());
+  if (is_constant_evaluated()) return write(out, value, format_specs<Char>());
   if (const_check(!is_supported_floating_point(value))) return out;
 
   auto fspecs = float_specs();
@@ -3246,11 +3886,11 @@ FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt {
     value = -value;
   }
 
-  constexpr auto specs = basic_format_specs<Char>();
+  constexpr auto specs = format_specs<Char>();
   using floaty = conditional_t<std::is_same<T, long double>::value, double, T>;
-  using uint = typename dragonbox::float_info<floaty>::carrier_uint;
-  uint mask = exponent_mask<floaty>();
-  if ((bit_cast<uint>(value) & mask) == mask)
+  using floaty_uint = typename dragonbox::float_info<floaty>::carrier_uint;
+  floaty_uint mask = exponent_mask<floaty>();
+  if ((bit_cast<floaty_uint>(value) & mask) == mask)
     return write_nonfinite(out, std::isnan(value), specs, fspecs);
 
   auto dec = dragonbox::to_decimal(static_cast<floaty>(value));
@@ -3261,12 +3901,12 @@ template <typename Char, typename OutputIt, typename T,
           FMT_ENABLE_IF(is_floating_point<T>::value &&
                         !is_fast_float<T>::value)>
 inline auto write(OutputIt out, T value) -> OutputIt {
-  return write(out, value, basic_format_specs<Char>());
+  return write(out, value, format_specs<Char>());
 }
 
 template <typename Char, typename OutputIt>
-auto write(OutputIt out, monostate, basic_format_specs<Char> = {},
-           locale_ref = {}) -> OutputIt {
+auto write(OutputIt out, monostate, format_specs<Char> = {}, locale_ref = {})
+    -> OutputIt {
   FMT_ASSERT(false, "");
   return out;
 }
@@ -3300,8 +3940,8 @@ FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt {
 template <typename Char, typename OutputIt, typename T,
           FMT_ENABLE_IF(std::is_same<T, bool>::value)>
 FMT_CONSTEXPR auto write(OutputIt out, T value,
-                         const basic_format_specs<Char>& specs = {},
-                         locale_ref = {}) -> OutputIt {
+                         const format_specs<Char>& specs = {}, locale_ref = {})
+    -> OutputIt {
   return specs.type != presentation_type::none &&
                  specs.type != presentation_type::string
              ? write(out, value ? 1 : 0, specs, {})
@@ -3318,20 +3958,15 @@ FMT_CONSTEXPR auto write(OutputIt out, Char value) -> OutputIt {
 template <typename Char, typename OutputIt>
 FMT_CONSTEXPR_CHAR_TRAITS auto write(OutputIt out, const Char* value)
     -> OutputIt {
-  if (!value) {
-    throw_format_error("string pointer is null");
-  } else {
-    out = write(out, basic_string_view<Char>(value));
-  }
+  if (value) return write(out, basic_string_view<Char>(value));
+  throw_format_error("string pointer is null");
   return out;
 }
 
 template <typename Char, typename OutputIt, typename T,
           FMT_ENABLE_IF(std::is_same<T, void>::value)>
-auto write(OutputIt out, const T* value,
-           const basic_format_specs<Char>& specs = {}, locale_ref = {})
-    -> OutputIt {
-  check_pointer_type_spec(specs.type, error_handler());
+auto write(OutputIt out, const T* value, const format_specs<Char>& specs = {},
+           locale_ref = {}) -> OutputIt {
   return write_ptr<Char>(out, bit_cast<uintptr_t>(value), &specs);
 }
 
@@ -3341,8 +3976,8 @@ template <typename Char, typename OutputIt, typename T,
 FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> enable_if_t<
     std::is_class<T>::value && !is_string<T>::value &&
         !is_floating_point<T>::value && !std::is_same<T, Char>::value &&
-        !std::is_same<const T&,
-                      decltype(arg_mapper<Context>().map(value))>::value,
+        !std::is_same<T, remove_cvref_t<decltype(arg_mapper<Context>().map(
+                             value))>>::value,
     OutputIt> {
   return write<Char>(out, arg_mapper<Context>().map(value));
 }
@@ -3352,12 +3987,8 @@ template <typename Char, typename OutputIt, typename T,
 FMT_CONSTEXPR auto write(OutputIt out, const T& value)
     -> enable_if_t<mapped_type_constant<T, Context>::value == type::custom_type,
                    OutputIt> {
-  using formatter_type =
-      conditional_t<has_formatter<T, Context>::value,
-                    typename Context::template formatter_type<T>,
-                    fallback_formatter<T, Char>>;
   auto ctx = Context(out, {}, {});
-  return formatter_type().format(value, ctx);
+  return typename Context::template formatter_type<T>().format(value, ctx);
 }
 
 // An argument visitor that formats the argument and writes it via the output
@@ -3386,7 +4017,7 @@ template <typename Char> struct arg_formatter {
   using context = buffer_context<Char>;
 
   iterator out;
-  const basic_format_specs<Char>& specs;
+  const format_specs<Char>& specs;
   locale_ref locale;
 
   template <typename T>
@@ -3411,12 +4042,6 @@ template <typename Char> struct custom_formatter {
   template <typename T> void operator()(T) const {}
 };
 
-template <typename T>
-using is_integer =
-    bool_constant<is_integral<T>::value && !std::is_same<T, bool>::value &&
-                  !std::is_same<T, char>::value &&
-                  !std::is_same<T, wchar_t>::value>;
-
 template <typename ErrorHandler> class width_checker {
  public:
   explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {}
@@ -3473,48 +4098,6 @@ FMT_CONSTEXPR auto get_arg(Context& ctx, ID id) ->
   return arg;
 }
 
-// The standard format specifier handler with checking.
-template <typename Char> class specs_handler : public specs_setter<Char> {
- private:
-  basic_format_parse_context<Char>& parse_context_;
-  buffer_context<Char>& context_;
-
-  // This is only needed for compatibility with gcc 4.4.
-  using format_arg = basic_format_arg<buffer_context<Char>>;
-
-  FMT_CONSTEXPR auto get_arg(auto_id) -> format_arg {
-    return detail::get_arg(context_, parse_context_.next_arg_id());
-  }
-
-  FMT_CONSTEXPR auto get_arg(int arg_id) -> format_arg {
-    parse_context_.check_arg_id(arg_id);
-    return detail::get_arg(context_, arg_id);
-  }
-
-  FMT_CONSTEXPR auto get_arg(basic_string_view<Char> arg_id) -> format_arg {
-    parse_context_.check_arg_id(arg_id);
-    return detail::get_arg(context_, arg_id);
-  }
-
- public:
-  FMT_CONSTEXPR specs_handler(basic_format_specs<Char>& specs,
-                              basic_format_parse_context<Char>& parse_ctx,
-                              buffer_context<Char>& ctx)
-      : specs_setter<Char>(specs), parse_context_(parse_ctx), context_(ctx) {}
-
-  template <typename Id> FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
-    this->specs_.width = get_dynamic_spec<width_checker>(
-        get_arg(arg_id), context_.error_handler());
-  }
-
-  template <typename Id> FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
-    this->specs_.precision = get_dynamic_spec<precision_checker>(
-        get_arg(arg_id), context_.error_handler());
-  }
-
-  void on_error(const char* message) { context_.on_error(message); }
-};
-
 template <template <typename> class Handler, typename Context>
 FMT_CONSTEXPR void handle_dynamic_spec(int& value,
                                        arg_ref<typename Context::char_type> ref,
@@ -3523,11 +4106,11 @@ FMT_CONSTEXPR void handle_dynamic_spec(int& value,
   case arg_id_kind::none:
     break;
   case arg_id_kind::index:
-    value = detail::get_dynamic_spec<Handler>(ctx.arg(ref.val.index),
+    value = detail::get_dynamic_spec<Handler>(get_arg(ctx, ref.val.index),
                                               ctx.error_handler());
     break;
   case arg_id_kind::name:
-    value = detail::get_dynamic_spec<Handler>(ctx.arg(ref.val.name),
+    value = detail::get_dynamic_spec<Handler>(get_arg(ctx, ref.val.name),
                                               ctx.error_handler());
     break;
   }
@@ -3581,12 +4164,12 @@ template <typename Char> struct udl_arg {
 #endif  // FMT_USE_USER_DEFINED_LITERALS
 
 template <typename Locale, typename Char>
-auto vformat(const Locale& loc, basic_string_view<Char> format_str,
+auto vformat(const Locale& loc, basic_string_view<Char> fmt,
              basic_format_args<buffer_context<type_identity_t<Char>>> args)
     -> std::basic_string<Char> {
-  basic_memory_buffer<Char> buffer;
-  detail::vformat_to(buffer, format_str, args, detail::locale_ref(loc));
-  return {buffer.data(), buffer.size()};
+  auto buf = basic_memory_buffer<Char>();
+  detail::vformat_to(buf, fmt, args, detail::locale_ref(loc));
+  return {buf.data(), buf.size()};
 }
 
 using format_func = void (*)(detail::buffer<char>&, int, const char*);
@@ -3708,24 +4291,16 @@ class format_int {
 };
 
 template <typename T, typename Char>
-template <typename FormatContext>
-FMT_CONSTEXPR FMT_INLINE auto
-formatter<T, Char,
-          enable_if_t<detail::type_constant<T, Char>::value !=
-                      detail::type::custom_type>>::format(const T& val,
-                                                          FormatContext& ctx)
-    const -> decltype(ctx.out()) {
-  if (specs_.width_ref.kind != detail::arg_id_kind::none ||
-      specs_.precision_ref.kind != detail::arg_id_kind::none) {
-    auto specs = specs_;
-    detail::handle_dynamic_spec<detail::width_checker>(specs.width,
-                                                       specs.width_ref, ctx);
-    detail::handle_dynamic_spec<detail::precision_checker>(
-        specs.precision, specs.precision_ref, ctx);
-    return detail::write<Char>(ctx.out(), val, specs, ctx.locale());
+struct formatter<T, Char, enable_if_t<detail::has_format_as<T>::value>>
+    : private formatter<detail::format_as_t<T>> {
+  using base = formatter<detail::format_as_t<T>>;
+  using base::parse;
+
+  template <typename FormatContext>
+  auto format(const T& value, FormatContext& ctx) const -> decltype(ctx.out()) {
+    return base::format(format_as(value), ctx);
   }
-  return detail::write<Char>(ctx.out(), val, specs_, ctx.locale());
-}
+};
 
 template <typename Char>
 struct formatter<void*, Char> : formatter<const void*, Char> {
@@ -3744,58 +4319,6 @@ struct formatter<Char[N], Char> : formatter<basic_string_view<Char>, Char> {
   }
 };
 
-// A formatter for types known only at run time such as variant alternatives.
-//
-// Usage:
-//   using variant = std::variant<int, std::string>;
-//   template <>
-//   struct formatter<variant>: dynamic_formatter<> {
-//     auto format(const variant& v, format_context& ctx) {
-//       return visit([&](const auto& val) {
-//           return dynamic_formatter<>::format(val, ctx);
-//       }, v);
-//     }
-//   };
-template <typename Char = char> class dynamic_formatter {
- private:
-  detail::dynamic_format_specs<Char> specs_;
-  const Char* format_str_;
-
-  struct null_handler : detail::error_handler {
-    void on_align(align_t) {}
-    void on_sign(sign_t) {}
-    void on_hash() {}
-  };
-
-  template <typename Context> void handle_specs(Context& ctx) {
-    detail::handle_dynamic_spec<detail::width_checker>(specs_.width,
-                                                       specs_.width_ref, ctx);
-    detail::handle_dynamic_spec<detail::precision_checker>(
-        specs_.precision, specs_.precision_ref, ctx);
-  }
-
- public:
-  template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    format_str_ = ctx.begin();
-    // Checks are deferred to formatting time when the argument type is known.
-    detail::dynamic_specs_handler<ParseContext> handler(specs_, ctx);
-    return detail::parse_format_specs(ctx.begin(), ctx.end(), handler);
-  }
-
-  template <typename T, typename FormatContext>
-  auto format(const T& val, FormatContext& ctx) -> decltype(ctx.out()) {
-    handle_specs(ctx);
-    detail::specs_checker<null_handler> checker(
-        null_handler(), detail::mapped_type_constant<T, FormatContext>::value);
-    checker.on_align(specs_.align);
-    if (specs_.sign != sign::none) checker.on_sign(specs_.sign);
-    if (specs_.alt) checker.on_hash();
-    if (specs_.precision >= 0) checker.end_precision();
-    return detail::write<Char>(ctx.out(), val, specs_, ctx.locale());
-  }
-};
-
 /**
   \rst
   Converts ``p`` to ``const void*`` for pointer formatting.
@@ -3809,7 +4332,8 @@ template <typename T> auto ptr(T p) -> const void* {
   static_assert(std::is_pointer<T>::value, "");
   return detail::bit_cast<const void*>(p);
 }
-template <typename T> auto ptr(const std::unique_ptr<T>& p) -> const void* {
+template <typename T, typename Deleter>
+auto ptr(const std::unique_ptr<T, Deleter>& p) -> const void* {
   return p.get();
 }
 template <typename T> auto ptr(const std::shared_ptr<T>& p) -> const void* {
@@ -3849,17 +4373,13 @@ class bytes {
 
 template <> struct formatter<bytes> {
  private:
-  detail::dynamic_format_specs<char> specs_;
+  detail::dynamic_format_specs<> specs_;
 
  public:
   template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    using handler_type = detail::dynamic_specs_handler<ParseContext>;
-    detail::specs_checker<handler_type> handler(handler_type(specs_, ctx),
-                                                detail::type::string_type);
-    auto it = parse_format_specs(ctx.begin(), ctx.end(), handler);
-    detail::check_string_type_spec(specs_.type, ctx.error_handler());
-    return it;
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const char* {
+    return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx,
+                              detail::type::string_type);
   }
 
   template <typename FormatContext>
@@ -3892,17 +4412,13 @@ template <typename T> auto group_digits(T value) -> group_digits_view<T> {
 
 template <typename T> struct formatter<group_digits_view<T>> : formatter<T> {
  private:
-  detail::dynamic_format_specs<char> specs_;
+  detail::dynamic_format_specs<> specs_;
 
  public:
   template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    using handler_type = detail::dynamic_specs_handler<ParseContext>;
-    detail::specs_checker<handler_type> handler(handler_type(specs_, ctx),
-                                                detail::type::int_type);
-    auto it = parse_format_specs(ctx.begin(), ctx.end(), handler);
-    detail::check_string_type_spec(specs_.type, ctx.error_handler());
-    return it;
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const char* {
+    return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx,
+                              detail::type::int_type);
   }
 
   template <typename FormatContext>
@@ -3912,12 +4428,13 @@ template <typename T> struct formatter<group_digits_view<T>> : formatter<T> {
                                                        specs_.width_ref, ctx);
     detail::handle_dynamic_spec<detail::precision_checker>(
         specs_.precision, specs_.precision_ref, ctx);
-    return detail::write_int_localized(
+    return detail::write_int(
         ctx.out(), static_cast<detail::uint64_or_128_t<T>>(t.value), 0, specs_,
-        detail::digit_grouping<char>({"\3", ','}));
+        detail::digit_grouping<char>("\3", ","));
   }
 };
 
+// DEPRECATED! join_view will be moved to ranges.h.
 template <typename It, typename Sentinel, typename Char = char>
 struct join_view : detail::view {
   It begin;
@@ -3937,30 +4454,11 @@ struct formatter<join_view<It, Sentinel, Char>, Char> {
 #else
       typename std::iterator_traits<It>::value_type;
 #endif
-  using context = buffer_context<Char>;
-  using mapper = detail::arg_mapper<context>;
-
-  template <typename T, FMT_ENABLE_IF(has_formatter<T, context>::value)>
-  static auto map(const T& value) -> const T& {
-    return value;
-  }
-  template <typename T, FMT_ENABLE_IF(!has_formatter<T, context>::value)>
-  static auto map(const T& value) -> decltype(mapper().map(value)) {
-    return mapper().map(value);
-  }
-
-  using formatter_type =
-      conditional_t<is_formattable<value_type, Char>::value,
-                    formatter<remove_cvref_t<decltype(map(
-                                  std::declval<const value_type&>()))>,
-                              Char>,
-                    detail::fallback_formatter<value_type, Char>>;
-
-  formatter_type value_formatter_;
+  formatter<remove_cvref_t<value_type>, Char> value_formatter_;
 
  public:
   template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> const Char* {
     return value_formatter_.parse(ctx);
   }
 
@@ -3970,12 +4468,12 @@ struct formatter<join_view<It, Sentinel, Char>, Char> {
     auto it = value.begin;
     auto out = ctx.out();
     if (it != value.end) {
-      out = value_formatter_.format(map(*it), ctx);
+      out = value_formatter_.format(*it, ctx);
       ++it;
       while (it != value.end) {
         out = detail::copy_str<Char>(value.sep.begin(), value.sep.end(), out);
         ctx.advance_to(out);
-        out = value_formatter_.format(map(*it), ctx);
+        out = value_formatter_.format(*it, ctx);
         ++it;
       }
     }
@@ -4027,9 +4525,9 @@ auto join(Range&& range, string_view sep)
  */
 template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
 inline auto to_string(const T& value) -> std::string {
-  auto result = std::string();
-  detail::write<char>(std::back_inserter(result), value);
-  return result;
+  auto buffer = memory_buffer();
+  detail::write<char>(appender(buffer), value);
+  return {buffer.data(), buffer.size()};
 }
 
 template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
@@ -4053,24 +4551,8 @@ FMT_NODISCARD auto to_string(const basic_memory_buffer<Char, SIZE>& buf)
 FMT_BEGIN_DETAIL_NAMESPACE
 
 template <typename Char>
-void vformat_to(
-    buffer<Char>& buf, basic_string_view<Char> fmt,
-    basic_format_args<FMT_BUFFER_CONTEXT(type_identity_t<Char>)> args,
-    locale_ref loc) {
-  // workaround for msvc bug regarding name-lookup in module
-  // link names into function scope
-  using detail::arg_formatter;
-  using detail::buffer_appender;
-  using detail::custom_formatter;
-  using detail::default_arg_formatter;
-  using detail::get_arg;
-  using detail::locale_ref;
-  using detail::parse_format_specs;
-  using detail::specs_checker;
-  using detail::specs_handler;
-  using detail::to_unsigned;
-  using detail::type;
-  using detail::write;
+void vformat_to(buffer<Char>& buf, basic_string_view<Char> fmt,
+                typename vformat_args<Char>::type args, locale_ref loc) {
   auto out = buffer_appender<Char>(buf);
   if (fmt.size() == 2 && equal2(fmt.data(), "{}")) {
     auto arg = args.get(0);
@@ -4117,15 +4599,16 @@ void vformat_to(
         -> const Char* {
       auto arg = get_arg(context, id);
       if (arg.type() == type::custom_type) {
-        parse_context.advance_to(parse_context.begin() +
-                                 (begin - &*parse_context.begin()));
+        parse_context.advance_to(begin);
         visit_format_arg(custom_formatter<Char>{parse_context, context}, arg);
         return parse_context.begin();
       }
-      auto specs = basic_format_specs<Char>();
-      specs_checker<specs_handler<Char>> handler(
-          specs_handler<Char>(specs, parse_context, context), arg.type());
-      begin = parse_format_specs(begin, end, handler);
+      auto specs = detail::dynamic_format_specs<Char>();
+      begin = parse_format_specs(begin, end, specs, parse_context, arg.type());
+      detail::handle_dynamic_spec<detail::width_checker>(
+          specs.width, specs.width_ref, context);
+      detail::handle_dynamic_spec<detail::precision_checker>(
+          specs.precision, specs.precision_ref, context);
       if (begin == end || *begin != '}')
         on_error("missing '}' in format string");
       auto f = arg_formatter<Char>{context.out(), specs, context.locale()};
@@ -4137,6 +4620,9 @@ void vformat_to(
 }
 
 #ifndef FMT_HEADER_ONLY
+extern template FMT_API void vformat_to(buffer<char>&, string_view,
+                                        typename vformat_args<>::type,
+                                        locale_ref);
 extern template FMT_API auto thousands_sep_impl<char>(locale_ref)
     -> thousands_sep_result<char>;
 extern template FMT_API auto thousands_sep_impl<wchar_t>(locale_ref)
@@ -4182,7 +4668,7 @@ template <typename Locale, typename... T,
           FMT_ENABLE_IF(detail::is_locale<Locale>::value)>
 inline auto format(const Locale& loc, format_string<T...> fmt, T&&... args)
     -> std::string {
-  return vformat(loc, string_view(fmt), fmt::make_format_args(args...));
+  return fmt::vformat(loc, string_view(fmt), fmt::make_format_args(args...));
 }
 
 template <typename OutputIt, typename Locale,
@@ -4193,7 +4679,7 @@ auto vformat_to(OutputIt out, const Locale& loc, string_view fmt,
   using detail::get_buffer;
   auto&& buf = get_buffer<char>(out);
   detail::vformat_to(buf, fmt, args, detail::locale_ref(loc));
-  return detail::get_iterator(buf);
+  return detail::get_iterator(buf, out);
 }
 
 template <typename OutputIt, typename Locale, typename... T,
@@ -4204,7 +4690,39 @@ FMT_INLINE auto format_to(OutputIt out, const Locale& loc,
   return vformat_to(out, loc, fmt, fmt::make_format_args(args...));
 }
 
-FMT_MODULE_EXPORT_END
+template <typename Locale, typename... T,
+          FMT_ENABLE_IF(detail::is_locale<Locale>::value)>
+FMT_NODISCARD FMT_INLINE auto formatted_size(const Locale& loc,
+                                             format_string<T...> fmt,
+                                             T&&... args) -> size_t {
+  auto buf = detail::counting_buffer<>();
+  detail::vformat_to<char>(buf, fmt, fmt::make_format_args(args...),
+                           detail::locale_ref(loc));
+  return buf.count();
+}
+
+FMT_END_EXPORT
+
+template <typename T, typename Char>
+template <typename FormatContext>
+FMT_CONSTEXPR FMT_INLINE auto
+formatter<T, Char,
+          enable_if_t<detail::type_constant<T, Char>::value !=
+                      detail::type::custom_type>>::format(const T& val,
+                                                          FormatContext& ctx)
+    const -> decltype(ctx.out()) {
+  if (specs_.width_ref.kind != detail::arg_id_kind::none ||
+      specs_.precision_ref.kind != detail::arg_id_kind::none) {
+    auto specs = specs_;
+    detail::handle_dynamic_spec<detail::width_checker>(specs.width,
+                                                       specs.width_ref, ctx);
+    detail::handle_dynamic_spec<detail::precision_checker>(
+        specs.precision, specs.precision_ref, ctx);
+    return detail::write<Char>(ctx.out(), val, specs, ctx.locale());
+  }
+  return detail::write<Char>(ctx.out(), val, specs_, ctx.locale());
+}
+
 FMT_END_NAMESPACE
 
 #ifdef FMT_HEADER_ONLY
diff --git a/third_party/fmt-9.1.0/include/fmt/os.h b/third_party/fmt-10.0.0/include/fmt/os.h
similarity index 86%
rename from third_party/fmt-9.1.0/include/fmt/os.h
rename to third_party/fmt-10.0.0/include/fmt/os.h
index d82be112..ec290402 100644
--- a/third_party/fmt-9.1.0/include/fmt/os.h
+++ b/third_party/fmt-10.0.0/include/fmt/os.h
@@ -71,7 +71,7 @@
 #define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
 
 FMT_BEGIN_NAMESPACE
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 /**
   \rst
@@ -120,48 +120,10 @@ template <typename Char> class basic_cstring_view {
 using cstring_view = basic_cstring_view<char>;
 using wcstring_view = basic_cstring_view<wchar_t>;
 
-template <typename Char> struct formatter<std::error_code, Char> {
-  template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename FormatContext>
-  FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
-      -> decltype(ctx.out()) {
-    auto out = ctx.out();
-    out = detail::write_bytes(out, ec.category().name(),
-                              basic_format_specs<Char>());
-    out = detail::write<Char>(out, Char(':'));
-    out = detail::write<Char>(out, ec.value());
-    return out;
-  }
-};
-
 #ifdef _WIN32
 FMT_API const std::error_category& system_category() noexcept;
 
 FMT_BEGIN_DETAIL_NAMESPACE
-// A converter from UTF-16 to UTF-8.
-// It is only provided for Windows since other systems support UTF-8 natively.
-class utf16_to_utf8 {
- private:
-  memory_buffer buffer_;
-
- public:
-  utf16_to_utf8() {}
-  FMT_API explicit utf16_to_utf8(basic_string_view<wchar_t> s);
-  operator string_view() const { return string_view(&buffer_[0], size()); }
-  size_t size() const { return buffer_.size() - 1; }
-  const char* c_str() const { return &buffer_[0]; }
-  std::string str() const { return std::string(&buffer_[0], size()); }
-
-  // Performs conversion returning a system error code instead of
-  // throwing exception on conversion error. This method may still throw
-  // in case of memory allocation error.
-  FMT_API int convert(basic_string_view<wchar_t> s);
-};
-
 FMT_API void format_windows_error(buffer<char>& out, int error_code,
                                   const char* message) noexcept;
 FMT_END_DETAIL_NAMESPACE
@@ -355,6 +317,12 @@ class FMT_API file {
   // Creates a buffered_file object associated with this file and detaches
   // this file object from the file.
   buffered_file fdopen(const char* mode);
+
+#  if defined(_WIN32) && !defined(__MINGW32__)
+  // Opens a file and constructs a file object representing this file by
+  // wcstring_view filename. Windows only.
+  static file open_windows_file(wcstring_view path, int oflag);
+#  endif
 };
 
 // Returns the memory page size.
@@ -397,6 +365,28 @@ struct ostream_params {
 #  endif
 };
 
+class file_buffer final : public buffer<char> {
+  file file_;
+
+  FMT_API void grow(size_t) override;
+
+ public:
+  FMT_API file_buffer(cstring_view path, const ostream_params& params);
+  FMT_API file_buffer(file_buffer&& other);
+  FMT_API ~file_buffer();
+
+  void flush() {
+    if (size() == 0) return;
+    file_.write(data(), size() * sizeof(data()[0]));
+    clear();
+  }
+
+  void close() {
+    flush();
+    file_.close();
+  }
+};
+
 FMT_END_DETAIL_NAMESPACE
 
 // Added {} below to work around default constructor error known to
@@ -404,49 +394,32 @@ FMT_END_DETAIL_NAMESPACE
 constexpr detail::buffer_size buffer_size{};
 
 /** A fast output stream which is not thread-safe. */
-class FMT_API ostream final : private detail::buffer<char> {
+class FMT_API ostream {
  private:
-  file file_;
-
-  void grow(size_t) override;
+  FMT_MSC_WARNING(suppress : 4251)
+  detail::file_buffer buffer_;
 
   ostream(cstring_view path, const detail::ostream_params& params)
-      : file_(path, params.oflag) {
-    set(new char[params.buffer_size], params.buffer_size);
-  }
+      : buffer_(path, params) {}
 
  public:
-  ostream(ostream&& other)
-      : detail::buffer<char>(other.data(), other.size(), other.capacity()),
-        file_(std::move(other.file_)) {
-    other.clear();
-    other.set(nullptr, 0);
-  }
-  ~ostream() {
-    flush();
-    delete[] data();
-  }
+  ostream(ostream&& other) : buffer_(std::move(other.buffer_)) {}
 
-  void flush() {
-    if (size() == 0) return;
-    file_.write(data(), size());
-    clear();
-  }
+  ~ostream();
+
+  void flush() { buffer_.flush(); }
 
   template <typename... T>
   friend ostream output_file(cstring_view path, T... params);
 
-  void close() {
-    flush();
-    file_.close();
-  }
+  void close() { buffer_.close(); }
 
   /**
     Formats ``args`` according to specifications in ``fmt`` and writes the
     output to the file.
    */
   template <typename... T> void print(format_string<T...> fmt, T&&... args) {
-    vformat_to(detail::buffer_appender<char>(*this), fmt,
+    vformat_to(detail::buffer_appender<char>(buffer_), fmt,
                fmt::make_format_args(args...));
   }
 };
@@ -472,7 +445,7 @@ inline ostream output_file(cstring_view path, T... params) {
 }
 #endif  // FMT_USE_FCNTL
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_OS_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/ostream.h b/third_party/fmt-10.0.0/include/fmt/ostream.h
similarity index 77%
rename from third_party/fmt-9.1.0/include/fmt/ostream.h
rename to third_party/fmt-10.0.0/include/fmt/ostream.h
index c3cdd4a6..ce65909b 100644
--- a/third_party/fmt-9.1.0/include/fmt/ostream.h
+++ b/third_party/fmt-10.0.0/include/fmt/ostream.h
@@ -8,8 +8,8 @@
 #ifndef FMT_OSTREAM_H_
 #define FMT_OSTREAM_H_
 
-#include <fstream>
-#include <ostream>
+#include <fstream>  // std::filebuf
+
 #if defined(_WIN32) && defined(__GLIBCXX__)
 #  include <ext/stdio_filebuf.h>
 #  include <ext/stdio_sync_filebuf.h>
@@ -21,48 +21,14 @@
 
 FMT_BEGIN_NAMESPACE
 
-template <typename OutputIt, typename Char> class basic_printf_context;
-
 namespace detail {
 
-// Checks if T has a user-defined operator<<.
-template <typename T, typename Char, typename Enable = void>
-class is_streamable {
- private:
-  template <typename U>
-  static auto test(int)
-      -> bool_constant<sizeof(std::declval<std::basic_ostream<Char>&>()
-                              << std::declval<U>()) != 0>;
-
-  template <typename> static auto test(...) -> std::false_type;
-
-  using result = decltype(test<T>(0));
-
- public:
-  is_streamable() = default;
-
-  static const bool value = result::value;
-};
-
-// Formatting of built-in types and arrays is intentionally disabled because
-// it's handled by standard (non-ostream) formatters.
-template <typename T, typename Char>
-struct is_streamable<
-    T, Char,
-    enable_if_t<
-        std::is_arithmetic<T>::value || std::is_array<T>::value ||
-        std::is_pointer<T>::value || std::is_same<T, char8_type>::value ||
-        std::is_convertible<T, fmt::basic_string_view<Char>>::value ||
-        std::is_same<T, std_string_view<Char>>::value ||
-        (std::is_convertible<T, int>::value && !std::is_enum<T>::value)>>
-    : std::false_type {};
-
 // Generate a unique explicit instantion in every translation unit using a tag
 // type in an anonymous namespace.
 namespace {
 struct file_access_tag {};
 }  // namespace
-template <class Tag, class BufType, FILE* BufType::*FileMemberPtr>
+template <typename Tag, typename BufType, FILE* BufType::*FileMemberPtr>
 class file_access {
   friend auto get_file(BufType& obj) -> FILE* { return obj.*FileMemberPtr; }
 };
@@ -84,8 +50,8 @@ inline bool write_ostream_unicode(std::ostream& os, fmt::string_view data) {
 #elif defined(_WIN32) && defined(__GLIBCXX__)
   auto* rdbuf = os.rdbuf();
   FILE* c_file;
-  if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf<char>*>(rdbuf))
-    c_file = fbuf->file();
+  if (auto* sfbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf<char>*>(rdbuf))
+    c_file = sfbuf->file();
   else if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_filebuf<char>*>(rdbuf))
     c_file = fbuf->file();
   else
@@ -145,7 +111,7 @@ struct basic_ostream_formatter : formatter<basic_string_view<Char>, Char> {
   auto format(const T& value, basic_format_context<OutputIt, Char>& ctx) const
       -> OutputIt {
     auto buffer = basic_memory_buffer<Char>();
-    format_value(buffer, value, ctx.locale());
+    detail::format_value(buffer, value, ctx.locale());
     return formatter<basic_string_view<Char>, Char>::format(
         {buffer.data(), buffer.size()}, ctx);
   }
@@ -180,13 +146,6 @@ auto streamed(const T& value) -> detail::streamed_view<T> {
 
 namespace detail {
 
-// Formats an object of type T that has an overloaded ostream operator<<.
-template <typename T, typename Char>
-struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
-    : basic_ostream_formatter<Char> {
-  using basic_ostream_formatter<Char>::format;
-};
-
 inline void vprint_directly(std::ostream& os, string_view format_str,
                             format_args args) {
   auto buffer = memory_buffer();
@@ -232,6 +191,19 @@ void print(std::wostream& os,
   vprint(os, fmt, fmt::make_format_args<buffer_context<wchar_t>>(args...));
 }
 
+FMT_MODULE_EXPORT template <typename... T>
+void println(std::ostream& os, format_string<T...> fmt, T&&... args) {
+  fmt::print(os, "{}\n", fmt::format(fmt, std::forward<T>(args)...));
+}
+
+FMT_MODULE_EXPORT
+template <typename... Args>
+void println(std::wostream& os,
+             basic_format_string<wchar_t, type_identity_t<Args>...> fmt,
+             Args&&... args) {
+  print(os, L"{}\n", fmt::format(fmt, std::forward<Args>(args)...));
+}
+
 FMT_END_NAMESPACE
 
 #endif  // FMT_OSTREAM_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/printf.h b/third_party/fmt-10.0.0/include/fmt/printf.h
similarity index 80%
rename from third_party/fmt-9.1.0/include/fmt/printf.h
rename to third_party/fmt-10.0.0/include/fmt/printf.h
index 70a592dc..554715e9 100644
--- a/third_party/fmt-9.1.0/include/fmt/printf.h
+++ b/third_party/fmt-10.0.0/include/fmt/printf.h
@@ -14,7 +14,7 @@
 #include "format.h"
 
 FMT_BEGIN_NAMESPACE
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 template <typename T> struct printf_formatter { printf_formatter() = delete; };
 
@@ -81,13 +81,13 @@ class printf_precision_handler {
   template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
   int operator()(T value) {
     if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
-      FMT_THROW(format_error("number is too big"));
+      throw_format_error("number is too big");
     return (std::max)(static_cast<int>(value), 0);
   }
 
   template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
   int operator()(T) {
-    FMT_THROW(format_error("precision is not integer"));
+    throw_format_error("precision is not integer");
     return 0;
   }
 };
@@ -194,12 +194,10 @@ template <typename Char> struct get_cstring {
 // left alignment if it is negative.
 template <typename Char> class printf_width_handler {
  private:
-  using format_specs = basic_format_specs<Char>;
-
-  format_specs& specs_;
+  format_specs<Char>& specs_;
 
  public:
-  explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
+  explicit printf_width_handler(format_specs<Char>& specs) : specs_(specs) {}
 
   template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
   unsigned operator()(T value) {
@@ -209,24 +207,31 @@ template <typename Char> class printf_width_handler {
       width = 0 - width;
     }
     unsigned int_max = max_value<int>();
-    if (width > int_max) FMT_THROW(format_error("number is too big"));
+    if (width > int_max) throw_format_error("number is too big");
     return static_cast<unsigned>(width);
   }
 
   template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
   unsigned operator()(T) {
-    FMT_THROW(format_error("width is not integer"));
+    throw_format_error("width is not integer");
     return 0;
   }
 };
 
+// Workaround for a bug with the XL compiler when initializing
+// printf_arg_formatter's base class.
+template <typename Char>
+auto make_arg_formatter(buffer_appender<Char> iter, format_specs<Char>& s)
+    -> arg_formatter<Char> {
+  return {iter, s, locale_ref()};
+}
+
 // The ``printf`` argument formatter.
 template <typename OutputIt, typename Char>
 class printf_arg_formatter : public arg_formatter<Char> {
  private:
   using base = arg_formatter<Char>;
   using context_type = basic_printf_context<OutputIt, Char>;
-  using format_specs = basic_format_specs<Char>;
 
   context_type& context_;
 
@@ -237,8 +242,8 @@ class printf_arg_formatter : public arg_formatter<Char> {
   }
 
  public:
-  printf_arg_formatter(OutputIt iter, format_specs& s, context_type& ctx)
-      : base{iter, s, locale_ref()}, context_(ctx) {}
+  printf_arg_formatter(OutputIt iter, format_specs<Char>& s, context_type& ctx)
+      : base(make_arg_formatter(iter, s)), context_(ctx) {}
 
   OutputIt operator()(monostate value) { return base::operator()(value); }
 
@@ -247,7 +252,7 @@ class printf_arg_formatter : public arg_formatter<Char> {
     // MSVC2013 fails to compile separate overloads for bool and Char so use
     // std::is_same instead.
     if (std::is_same<T, Char>::value) {
-      format_specs fmt_specs = this->specs;
+      format_specs<Char> fmt_specs = this->specs;
       if (fmt_specs.type != presentation_type::none &&
           fmt_specs.type != presentation_type::chr) {
         return (*this)(static_cast<int>(value));
@@ -300,8 +305,7 @@ class printf_arg_formatter : public arg_formatter<Char> {
 };
 
 template <typename Char>
-void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
-                 const Char* end) {
+void parse_flags(format_specs<Char>& specs, const Char*& it, const Char* end) {
   for (; it != end; ++it) {
     switch (*it) {
     case '-':
@@ -328,8 +332,8 @@ void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
 }
 
 template <typename Char, typename GetArg>
-int parse_header(const Char*& it, const Char* end,
-                 basic_format_specs<Char>& specs, GetArg get_arg) {
+int parse_header(const Char*& it, const Char* end, format_specs<Char>& specs,
+                 GetArg get_arg) {
   int arg_index = -1;
   Char c = *it;
   if (c >= '0' && c <= '9') {
@@ -344,7 +348,7 @@ int parse_header(const Char*& it, const Char* end,
       if (value != 0) {
         // Nonzero value means that we parsed width and don't need to
         // parse it or flags again, so return now.
-        if (value == -1) FMT_THROW(format_error("number is too big"));
+        if (value == -1) throw_format_error("number is too big");
         specs.width = value;
         return arg_index;
       }
@@ -355,7 +359,7 @@ int parse_header(const Char*& it, const Char* end,
   if (it != end) {
     if (*it >= '0' && *it <= '9') {
       specs.width = parse_nonnegative_int(it, end, -1);
-      if (specs.width == -1) FMT_THROW(format_error("number is too big"));
+      if (specs.width == -1) throw_format_error("number is too big");
     } else if (*it == '*') {
       ++it;
       specs.width = static_cast<int>(visit_format_arg(
@@ -365,12 +369,52 @@ int parse_header(const Char*& it, const Char* end,
   return arg_index;
 }
 
+inline auto parse_printf_presentation_type(char c, type t)
+    -> presentation_type {
+  using pt = presentation_type;
+  constexpr auto integral_set = sint_set | uint_set | bool_set | char_set;
+  switch (c) {
+  case 'd':
+    return in(t, integral_set) ? pt::dec : pt::none;
+  case 'o':
+    return in(t, integral_set) ? pt::oct : pt::none;
+  case 'x':
+    return in(t, integral_set) ? pt::hex_lower : pt::none;
+  case 'X':
+    return in(t, integral_set) ? pt::hex_upper : pt::none;
+  case 'a':
+    return in(t, float_set) ? pt::hexfloat_lower : pt::none;
+  case 'A':
+    return in(t, float_set) ? pt::hexfloat_upper : pt::none;
+  case 'e':
+    return in(t, float_set) ? pt::exp_lower : pt::none;
+  case 'E':
+    return in(t, float_set) ? pt::exp_upper : pt::none;
+  case 'f':
+    return in(t, float_set) ? pt::fixed_lower : pt::none;
+  case 'F':
+    return in(t, float_set) ? pt::fixed_upper : pt::none;
+  case 'g':
+    return in(t, float_set) ? pt::general_lower : pt::none;
+  case 'G':
+    return in(t, float_set) ? pt::general_upper : pt::none;
+  case 'c':
+    return in(t, integral_set) ? pt::chr : pt::none;
+  case 's':
+    return in(t, string_set | cstring_set) ? pt::string : pt::none;
+  case 'p':
+    return in(t, pointer_set | cstring_set) ? pt::pointer : pt::none;
+  default:
+    return pt::none;
+  }
+}
+
 template <typename Char, typename Context>
 void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
              basic_format_args<Context> args) {
-  using OutputIt = buffer_appender<Char>;
-  auto out = OutputIt(buf);
-  auto context = basic_printf_context<OutputIt, Char>(out, args);
+  using iterator = buffer_appender<Char>;
+  auto out = iterator(buf);
+  auto context = basic_printf_context<iterator, Char>(out, args);
   auto parse_ctx = basic_printf_parse_context<Char>(format);
 
   // Returns the argument with specified index or, if arg_index is -1, the next
@@ -387,26 +431,25 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
   const Char* end = parse_ctx.end();
   auto it = start;
   while (it != end) {
-    if (!detail::find<false, Char>(it, end, '%', it)) {
-      it = end;  // detail::find leaves it == nullptr if it doesn't find '%'
+    if (!find<false, Char>(it, end, '%', it)) {
+      it = end;  // find leaves it == nullptr if it doesn't find '%'.
       break;
     }
     Char c = *it++;
     if (it != end && *it == c) {
-      out = detail::write(
-          out, basic_string_view<Char>(start, detail::to_unsigned(it - start)));
+      out = write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
       start = ++it;
       continue;
     }
-    out = detail::write(out, basic_string_view<Char>(
-                                 start, detail::to_unsigned(it - 1 - start)));
+    out =
+        write(out, basic_string_view<Char>(start, to_unsigned(it - 1 - start)));
 
-    basic_format_specs<Char> specs;
+    auto specs = format_specs<Char>();
     specs.align = align::right;
 
     // Parse argument index, flags and width.
     int arg_index = parse_header(it, end, specs, get_arg);
-    if (arg_index == 0) parse_ctx.on_error("argument not found");
+    if (arg_index == 0) throw_format_error("argument not found");
 
     // Parse precision.
     if (it != end && *it == '.') {
@@ -417,7 +460,7 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
       } else if (c == '*') {
         ++it;
         specs.precision = static_cast<int>(
-            visit_format_arg(detail::printf_precision_handler(), get_arg(-1)));
+            visit_format_arg(printf_precision_handler(), get_arg(-1)));
       } else {
         specs.precision = 0;
       }
@@ -429,17 +472,15 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
     if (specs.precision >= 0 && arg.is_integral())
       specs.fill[0] =
           ' ';  // Ignore '0' flag for non-numeric types or if '-' present.
-    if (specs.precision >= 0 && arg.type() == detail::type::cstring_type) {
-      auto str = visit_format_arg(detail::get_cstring<Char>(), arg);
+    if (specs.precision >= 0 && arg.type() == type::cstring_type) {
+      auto str = visit_format_arg(get_cstring<Char>(), arg);
       auto str_end = str + specs.precision;
       auto nul = std::find(str, str_end, Char());
-      arg = detail::make_arg<basic_printf_context<OutputIt, Char>>(
+      arg = make_arg<basic_printf_context<iterator, Char>>(
           basic_string_view<Char>(
-              str, detail::to_unsigned(nul != str_end ? nul - str
-                                                      : specs.precision)));
+              str, to_unsigned(nul != str_end ? nul - str : specs.precision)));
     }
-    if (specs.alt && visit_format_arg(detail::is_zero_int(), arg))
-      specs.alt = false;
+    if (specs.alt && visit_format_arg(is_zero_int(), arg)) specs.alt = false;
     if (specs.fill[0] == '0') {
       if (arg.is_arithmetic() && specs.align != align::left)
         specs.align = align::numeric;
@@ -451,7 +492,6 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
     // Parse length and convert the argument to the required type.
     c = it != end ? *it++ : 0;
     Char t = it != end ? *it : 0;
-    using detail::convert_arg;
     switch (c) {
     case 'h':
       if (t == 'h') {
@@ -490,7 +530,7 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
     }
 
     // Parse type.
-    if (it == end) FMT_THROW(format_error("invalid format string"));
+    if (it == end) throw_format_error("invalid format string");
     char type = static_cast<char>(*it++);
     if (arg.is_integral()) {
       // Normalize type.
@@ -501,22 +541,21 @@ void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
         break;
       case 'c':
         visit_format_arg(
-            detail::char_converter<basic_printf_context<OutputIt, Char>>(arg),
-            arg);
+            char_converter<basic_printf_context<iterator, Char>>(arg), arg);
         break;
       }
     }
-    specs.type = parse_presentation_type(type);
+    specs.type = parse_printf_presentation_type(type, arg.type());
     if (specs.type == presentation_type::none)
-      parse_ctx.on_error("invalid type specifier");
+      throw_format_error("invalid format specifier");
 
     start = it;
 
     // Format argument.
     out = visit_format_arg(
-        detail::printf_arg_formatter<OutputIt, Char>(out, specs, context), arg);
+        printf_arg_formatter<iterator, Char>(out, specs, context), arg);
   }
-  detail::write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
+  write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
 }
 FMT_END_DETAIL_NAMESPACE
 
@@ -559,9 +598,9 @@ inline auto vsprintf(
     const S& fmt,
     basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
     -> std::basic_string<Char> {
-  basic_memory_buffer<Char> buffer;
-  vprintf(buffer, detail::to_string_view(fmt), args);
-  return to_string(buffer);
+  auto buf = basic_memory_buffer<Char>();
+  detail::vprintf(buf, detail::to_string_view(fmt), args);
+  return to_string(buf);
 }
 
 /**
@@ -586,10 +625,10 @@ inline auto vfprintf(
     std::FILE* f, const S& fmt,
     basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
     -> int {
-  basic_memory_buffer<Char> buffer;
-  vprintf(buffer, detail::to_string_view(fmt), args);
-  size_t size = buffer.size();
-  return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
+  auto buf = basic_memory_buffer<Char>();
+  detail::vprintf(buf, detail::to_string_view(fmt), args);
+  size_t size = buf.size();
+  return std::fwrite(buf.data(), sizeof(Char), size, f) < size
              ? -1
              : static_cast<int>(size);
 }
@@ -634,7 +673,7 @@ inline auto printf(const S& fmt, const T&... args) -> int {
       fmt::make_format_args<basic_printf_context_t<char_t<S>>>(args...));
 }
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_PRINTF_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/ranges.h b/third_party/fmt-10.0.0/include/fmt/ranges.h
similarity index 73%
rename from third_party/fmt-9.1.0/include/fmt/ranges.h
rename to third_party/fmt-10.0.0/include/fmt/ranges.h
index dea7d60d..266b9e1b 100644
--- a/third_party/fmt-9.1.0/include/fmt/ranges.h
+++ b/third_party/fmt-10.0.0/include/fmt/ranges.h
@@ -22,27 +22,25 @@ FMT_BEGIN_NAMESPACE
 
 namespace detail {
 
-template <typename RangeT, typename OutputIterator>
-OutputIterator copy(const RangeT& range, OutputIterator out) {
+template <typename Range, typename OutputIt>
+auto copy(const Range& range, OutputIt out) -> OutputIt {
   for (auto it = range.begin(), end = range.end(); it != end; ++it)
     *out++ = *it;
   return out;
 }
 
-template <typename OutputIterator>
-OutputIterator copy(const char* str, OutputIterator out) {
+template <typename OutputIt>
+auto copy(const char* str, OutputIt out) -> OutputIt {
   while (*str) *out++ = *str++;
   return out;
 }
 
-template <typename OutputIterator>
-OutputIterator copy(char ch, OutputIterator out) {
+template <typename OutputIt> auto copy(char ch, OutputIt out) -> OutputIt {
   *out++ = ch;
   return out;
 }
 
-template <typename OutputIterator>
-OutputIterator copy(wchar_t ch, OutputIterator out) {
+template <typename OutputIt> auto copy(wchar_t ch, OutputIt out) -> OutputIt {
   *out++ = ch;
   return out;
 }
@@ -69,7 +67,7 @@ template <typename T> class is_map {
   template <typename> static void check(...);
 
  public:
-#ifdef FMT_FORMAT_MAP_AS_LIST
+#ifdef FMT_FORMAT_MAP_AS_LIST  // DEPRECATED!
   static constexpr const bool value = false;
 #else
   static constexpr const bool value =
@@ -82,7 +80,7 @@ template <typename T> class is_set {
   template <typename> static void check(...);
 
  public:
-#ifdef FMT_FORMAT_SET_AS_LIST
+#ifdef FMT_FORMAT_SET_AS_LIST  // DEPRECATED!
   static constexpr const bool value = false;
 #else
   static constexpr const bool value =
@@ -157,8 +155,9 @@ template <typename T>
 struct has_mutable_begin_end<
     T, void_t<decltype(detail::range_begin(std::declval<T>())),
               decltype(detail::range_end(std::declval<T>())),
-              enable_if_t<std::is_copy_constructible<T>::value>>>
-    : std::true_type {};
+              // the extra int here is because older versions of MSVC don't
+              // SFINAE properly unless there are distinct types
+              int>> : std::true_type {};
 
 template <typename T>
 struct is_range_<T, void>
@@ -211,41 +210,61 @@ class is_tuple_formattable_ {
   static constexpr const bool value = false;
 };
 template <typename T, typename C> class is_tuple_formattable_<T, C, true> {
-  template <std::size_t... I>
-  static std::true_type check2(index_sequence<I...>,
-                               integer_sequence<bool, (I == I)...>);
+  template <std::size_t... Is>
+  static std::true_type check2(index_sequence<Is...>,
+                               integer_sequence<bool, (Is == Is)...>);
   static std::false_type check2(...);
-  template <std::size_t... I>
+  template <std::size_t... Is>
   static decltype(check2(
-      index_sequence<I...>{},
+      index_sequence<Is...>{},
       integer_sequence<
-          bool, (is_formattable<typename std::tuple_element<I, T>::type,
-                                C>::value)...>{})) check(index_sequence<I...>);
+          bool, (is_formattable<typename std::tuple_element<Is, T>::type,
+                                C>::value)...>{})) check(index_sequence<Is...>);
 
  public:
   static constexpr const bool value =
       decltype(check(tuple_index_sequence<T>{}))::value;
 };
 
-template <class Tuple, class F, size_t... Is>
-void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) noexcept {
+template <typename Tuple, typename F, size_t... Is>
+FMT_CONSTEXPR void for_each(index_sequence<Is...>, Tuple&& t, F&& f) {
   using std::get;
-  // using free function get<I>(T) now.
-  const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
-  (void)_;  // blocks warnings
+  // Using a free function get<Is>(Tuple) now.
+  const int unused[] = {0, ((void)f(get<Is>(t)), 0)...};
+  ignore_unused(unused);
+}
+
+template <typename Tuple, typename F>
+FMT_CONSTEXPR void for_each(Tuple&& t, F&& f) {
+  for_each(tuple_index_sequence<remove_cvref_t<Tuple>>(),
+           std::forward<Tuple>(t), std::forward<F>(f));
 }
 
-template <class T>
-FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
-    T const&) {
-  return {};
+template <typename Tuple1, typename Tuple2, typename F, size_t... Is>
+void for_each2(index_sequence<Is...>, Tuple1&& t1, Tuple2&& t2, F&& f) {
+  using std::get;
+  const int unused[] = {0, ((void)f(get<Is>(t1), get<Is>(t2)), 0)...};
+  ignore_unused(unused);
 }
 
-template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
-  const auto indexes = get_indexes(tup);
-  for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
+template <typename Tuple1, typename Tuple2, typename F>
+void for_each2(Tuple1&& t1, Tuple2&& t2, F&& f) {
+  for_each2(tuple_index_sequence<remove_cvref_t<Tuple1>>(),
+            std::forward<Tuple1>(t1), std::forward<Tuple2>(t2),
+            std::forward<F>(f));
 }
 
+namespace tuple {
+// Workaround a bug in MSVC 2019 (v140).
+template <typename Char, typename... T>
+using result_t = std::tuple<formatter<remove_cvref_t<T>, Char>...>;
+
+using std::get;
+template <typename Tuple, typename Char, std::size_t... Is>
+auto get_formatters(index_sequence<Is...>)
+    -> result_t<Char, decltype(get<Is>(std::declval<Tuple>()))...>;
+}  // namespace tuple
+
 #if FMT_MSC_VERSION && FMT_MSC_VERSION < 1920
 // Older MSVC doesn't get the reference type correctly for arrays.
 template <typename R> struct range_reference_type_impl {
@@ -269,45 +288,37 @@ using range_reference_type =
 template <typename Range>
 using uncvref_type = remove_cvref_t<range_reference_type<Range>>;
 
-template <typename Range>
-using uncvref_first_type =
-    remove_cvref_t<decltype(std::declval<range_reference_type<Range>>().first)>;
-
-template <typename Range>
-using uncvref_second_type = remove_cvref_t<
-    decltype(std::declval<range_reference_type<Range>>().second)>;
-
-template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
-  *out++ = ',';
-  *out++ = ' ';
-  return out;
-}
-
-template <typename Char, typename OutputIt>
-auto write_range_entry(OutputIt out, basic_string_view<Char> str) -> OutputIt {
-  return write_escaped_string(out, str);
-}
-
-template <typename Char, typename OutputIt, typename T,
-          FMT_ENABLE_IF(std::is_convertible<T, std_string_view<char>>::value)>
-inline auto write_range_entry(OutputIt out, const T& str) -> OutputIt {
-  auto sv = std_string_view<Char>(str);
-  return write_range_entry<Char>(out, basic_string_view<Char>(sv));
-}
-
-template <typename Char, typename OutputIt, typename Arg,
-          FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
-OutputIt write_range_entry(OutputIt out, const Arg v) {
-  return write_escaped_char(out, v);
+template <typename Formatter>
+FMT_CONSTEXPR auto maybe_set_debug_format(Formatter& f, bool set)
+    -> decltype(f.set_debug_format(set)) {
+  f.set_debug_format(set);
 }
+template <typename Formatter>
+FMT_CONSTEXPR void maybe_set_debug_format(Formatter&, ...) {}
+
+// These are not generic lambdas for compatibility with C++11.
+template <typename ParseContext> struct parse_empty_specs {
+  template <typename Formatter> FMT_CONSTEXPR void operator()(Formatter& f) {
+    f.parse(ctx);
+    detail::maybe_set_debug_format(f, true);
+  }
+  ParseContext& ctx;
+};
+template <typename FormatContext> struct format_tuple_element {
+  using char_type = typename FormatContext::char_type;
+
+  template <typename T>
+  void operator()(const formatter<T, char_type>& f, const T& v) {
+    if (i > 0)
+      ctx.advance_to(detail::copy_str<char_type>(separator, ctx.out()));
+    ctx.advance_to(f.format(v, ctx));
+    ++i;
+  }
 
-template <
-    typename Char, typename OutputIt, typename Arg,
-    FMT_ENABLE_IF(!is_std_string_like<typename std::decay<Arg>::type>::value &&
-                  !std::is_same<Arg, Char>::value)>
-OutputIt write_range_entry(OutputIt out, const Arg& v) {
-  return write<Char>(out, v);
-}
+  int i;
+  FormatContext& ctx;
+  basic_string_view<char_type> separator;
+};
 
 }  // namespace detail
 
@@ -321,29 +332,20 @@ template <typename T, typename C> struct is_tuple_formattable {
       detail::is_tuple_formattable_<T, C>::value;
 };
 
-template <typename TupleT, typename Char>
-struct formatter<TupleT, Char,
-                 enable_if_t<fmt::is_tuple_like<TupleT>::value &&
-                             fmt::is_tuple_formattable<TupleT, Char>::value>> {
+template <typename Tuple, typename Char>
+struct formatter<Tuple, Char,
+                 enable_if_t<fmt::is_tuple_like<Tuple>::value &&
+                             fmt::is_tuple_formattable<Tuple, Char>::value>> {
  private:
+  decltype(detail::tuple::get_formatters<Tuple, Char>(
+      detail::tuple_index_sequence<Tuple>())) formatters_;
+
   basic_string_view<Char> separator_ = detail::string_literal<Char, ',', ' '>{};
   basic_string_view<Char> opening_bracket_ =
       detail::string_literal<Char, '('>{};
   basic_string_view<Char> closing_bracket_ =
       detail::string_literal<Char, ')'>{};
 
-  // C++11 generic lambda for format().
-  template <typename FormatContext> struct format_each {
-    template <typename T> void operator()(const T& v) {
-      if (i > 0) out = detail::copy_str<Char>(separator, out);
-      out = detail::write_range_entry<Char>(out, v);
-      ++i;
-    }
-    int i;
-    typename FormatContext::iterator& out;
-    basic_string_view<Char> separator;
-  };
-
  public:
   FMT_CONSTEXPR formatter() {}
 
@@ -359,17 +361,21 @@ struct formatter<TupleT, Char,
 
   template <typename ParseContext>
   FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
+    auto it = ctx.begin();
+    if (it != ctx.end() && *it != '}')
+      FMT_THROW(format_error("invalid format specifier"));
+    detail::for_each(formatters_, detail::parse_empty_specs<ParseContext>{ctx});
+    return it;
   }
 
-  template <typename FormatContext = format_context>
-  auto format(const TupleT& values, FormatContext& ctx) const
+  template <typename FormatContext>
+  auto format(const Tuple& value, FormatContext& ctx) const
       -> decltype(ctx.out()) {
-    auto out = ctx.out();
-    out = detail::copy_str<Char>(opening_bracket_, out);
-    detail::for_each(values, format_each<FormatContext>{0, out, separator_});
-    out = detail::copy_str<Char>(closing_bracket_, out);
-    return out;
+    ctx.advance_to(detail::copy_str<Char>(opening_bracket_, ctx.out()));
+    detail::for_each2(
+        formatters_, value,
+        detail::format_tuple_element<FormatContext>{0, ctx, separator_});
+    return detail::copy_str<Char>(closing_bracket_, ctx.out());
   }
 };
 
@@ -398,12 +404,10 @@ template <typename Context> struct range_mapper {
 };
 
 template <typename Char, typename Element>
-using range_formatter_type = conditional_t<
-    is_formattable<Element, Char>::value,
+using range_formatter_type =
     formatter<remove_cvref_t<decltype(range_mapper<buffer_context<Char>>{}.map(
                   std::declval<Element>()))>,
-              Char>,
-    fallback_formatter<Element, Char>>;
+              Char>;
 
 template <typename R>
 using maybe_const_range =
@@ -413,11 +417,8 @@ using maybe_const_range =
 #if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910
 template <typename R, typename Char>
 struct is_formattable_delayed
-    : disjunction<
-          is_formattable<uncvref_type<maybe_const_range<R>>, Char>,
-          has_fallback_formatter<uncvref_type<maybe_const_range<R>>, Char>> {};
+    : is_formattable<uncvref_type<maybe_const_range<R>>, Char> {};
 #endif
-
 }  // namespace detail
 
 template <typename T, typename Char, typename Enable = void>
@@ -426,32 +427,16 @@ struct range_formatter;
 template <typename T, typename Char>
 struct range_formatter<
     T, Char,
-    enable_if_t<conjunction<
-        std::is_same<T, remove_cvref_t<T>>,
-        disjunction<is_formattable<T, Char>,
-                    detail::has_fallback_formatter<T, Char>>>::value>> {
+    enable_if_t<conjunction<std::is_same<T, remove_cvref_t<T>>,
+                            is_formattable<T, Char>>::value>> {
  private:
   detail::range_formatter_type<Char, T> underlying_;
-  bool custom_specs_ = false;
   basic_string_view<Char> separator_ = detail::string_literal<Char, ',', ' '>{};
   basic_string_view<Char> opening_bracket_ =
       detail::string_literal<Char, '['>{};
   basic_string_view<Char> closing_bracket_ =
       detail::string_literal<Char, ']'>{};
 
-  template <class U>
-  FMT_CONSTEXPR static auto maybe_set_debug_format(U& u, int)
-      -> decltype(u.set_debug_format()) {
-    u.set_debug_format();
-  }
-
-  template <class U>
-  FMT_CONSTEXPR static void maybe_set_debug_format(U&, ...) {}
-
-  FMT_CONSTEXPR void maybe_set_debug_format() {
-    maybe_set_debug_format(underlying_, 0);
-  }
-
  public:
   FMT_CONSTEXPR range_formatter() {}
 
@@ -473,31 +458,24 @@ struct range_formatter<
   FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
     auto it = ctx.begin();
     auto end = ctx.end();
-    if (it == end || *it == '}') {
-      maybe_set_debug_format();
-      return it;
-    }
 
-    if (*it == 'n') {
+    if (it != end && *it == 'n') {
       set_brackets({}, {});
       ++it;
     }
 
-    if (*it == '}') {
-      maybe_set_debug_format();
-      return it;
+    if (it != end && *it != '}') {
+      if (*it != ':') FMT_THROW(format_error("invalid format specifier"));
+      ++it;
+    } else {
+      detail::maybe_set_debug_format(underlying_, true);
     }
 
-    if (*it != ':')
-      FMT_THROW(format_error("no other top-level range formatters supported"));
-
-    custom_specs_ = true;
-    ++it;
     ctx.advance_to(it);
     return underlying_.parse(ctx);
   }
 
-  template <typename R, class FormatContext>
+  template <typename R, typename FormatContext>
   auto format(R&& range, FormatContext& ctx) const -> decltype(ctx.out()) {
     detail::range_mapper<buffer_context<Char>> mapper;
     auto out = ctx.out();
@@ -507,7 +485,6 @@ struct range_formatter<
     auto end = detail::range_end(range);
     for (; it != end; ++it) {
       if (i > 0) out = detail::copy_str<Char>(separator_, out);
-      ;
       ctx.advance_to(out);
       out = underlying_.format(mapper.map(*it), ctx);
       ++i;
@@ -520,13 +497,14 @@ struct range_formatter<
 enum class range_format { disabled, map, set, sequence, string, debug_string };
 
 namespace detail {
-template <typename T> struct range_format_kind_ {
-  static constexpr auto value = std::is_same<range_reference_type<T>, T>::value
-                                    ? range_format::disabled
-                                : is_map<T>::value ? range_format::map
-                                : is_set<T>::value ? range_format::set
-                                                   : range_format::sequence;
-};
+template <typename T>
+struct range_format_kind_
+    : std::integral_constant<range_format,
+                             std::is_same<uncvref_type<T>, T>::value
+                                 ? range_format::disabled
+                             : is_map<T>::value ? range_format::map
+                             : is_set<T>::value ? range_format::set
+                                                : range_format::sequence> {};
 
 template <range_format K, typename R, typename Char, typename Enable = void>
 struct range_default_formatter;
@@ -601,9 +579,6 @@ template <typename Char, typename... T> struct tuple_join_view : detail::view {
       : tuple(t), sep{s} {}
 };
 
-template <typename Char, typename... T>
-using tuple_arg_join = tuple_join_view<Char, T...>;
-
 // Define FMT_TUPLE_JOIN_SPECIFIERS to enable experimental format specifiers
 // support in tuple_join. It is disabled by default because of issues with
 // the dynamic width and precision.
@@ -673,7 +648,42 @@ struct formatter<tuple_join_view<Char, T...>, Char> {
   }
 };
 
-FMT_MODULE_EXPORT_BEGIN
+namespace detail {
+// Check if T has an interface like a container adaptor (e.g. std::stack,
+// std::queue, std::priority_queue).
+template <typename T> class is_container_adaptor_like {
+  template <typename U> static auto check(U* p) -> typename U::container_type;
+  template <typename> static void check(...);
+
+ public:
+  static constexpr const bool value =
+      !std::is_void<decltype(check<T>(nullptr))>::value;
+};
+
+template <typename Container> struct all {
+  const Container& c;
+  auto begin() const -> typename Container::const_iterator { return c.begin(); }
+  auto end() const -> typename Container::const_iterator { return c.end(); }
+};
+}  // namespace detail
+
+template <typename T, typename Char>
+struct formatter<T, Char,
+                 enable_if_t<detail::is_container_adaptor_like<T>::value>>
+    : formatter<detail::all<typename T::container_type>, Char> {
+  using all = detail::all<typename T::container_type>;
+  template <typename FormatContext>
+  auto format(const T& t, FormatContext& ctx) const -> decltype(ctx.out()) {
+    struct getter : T {
+      static auto get(const T& t) -> all {
+        return {t.*(&getter::c)};  // Access c through the derived class.
+      }
+    };
+    return formatter<all>::format(getter::get(t), ctx);
+  }
+};
+
+FMT_BEGIN_EXPORT
 
 /**
   \rst
@@ -716,7 +726,7 @@ auto join(std::initializer_list<T> list, string_view sep)
   return join(std::begin(list), std::end(list), sep);
 }
 
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_RANGES_H_
diff --git a/third_party/fmt-10.0.0/include/fmt/std.h b/third_party/fmt-10.0.0/include/fmt/std.h
new file mode 100644
index 00000000..4c2a28cf
--- /dev/null
+++ b/third_party/fmt-10.0.0/include/fmt/std.h
@@ -0,0 +1,349 @@
+// Formatting library for C++ - formatters for standard library types
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_STD_H_
+#define FMT_STD_H_
+
+#include <cstdlib>
+#include <exception>
+#include <memory>
+#include <thread>
+#include <type_traits>
+#include <typeinfo>
+#include <utility>
+
+#include "ostream.h"
+
+#if FMT_HAS_INCLUDE(<version>)
+#  include <version>
+#endif
+// Checking FMT_CPLUSPLUS for warning suppression in MSVC.
+#if FMT_CPLUSPLUS >= 201703L
+#  if FMT_HAS_INCLUDE(<filesystem>)
+#    include <filesystem>
+#  endif
+#  if FMT_HAS_INCLUDE(<variant>)
+#    include <variant>
+#  endif
+#  if FMT_HAS_INCLUDE(<optional>)
+#    include <optional>
+#  endif
+#endif
+
+// GCC 4 does not support FMT_HAS_INCLUDE.
+#if FMT_HAS_INCLUDE(<cxxabi.h>) || defined(__GLIBCXX__)
+#  include <cxxabi.h>
+// Android NDK with gabi++ library on some architectures does not implement
+// abi::__cxa_demangle().
+#  ifndef __GABIXX_CXXABI_H__
+#    define FMT_HAS_ABI_CXA_DEMANGLE
+#  endif
+#endif
+
+#ifdef __cpp_lib_filesystem
+FMT_BEGIN_NAMESPACE
+
+namespace detail {
+
+template <typename Char>
+void write_escaped_path(basic_memory_buffer<Char>& quoted,
+                        const std::filesystem::path& p) {
+  write_escaped_string<Char>(std::back_inserter(quoted), p.string<Char>());
+}
+#  ifdef _WIN32
+template <>
+inline void write_escaped_path<char>(memory_buffer& quoted,
+                                     const std::filesystem::path& p) {
+  auto buf = basic_memory_buffer<wchar_t>();
+  write_escaped_string<wchar_t>(std::back_inserter(buf), p.native());
+  // Convert UTF-16 to UTF-8.
+  if (!unicode_to_utf8<wchar_t>::convert(quoted, {buf.data(), buf.size()}))
+    FMT_THROW(std::runtime_error("invalid utf16"));
+}
+#  endif
+template <>
+inline void write_escaped_path<std::filesystem::path::value_type>(
+    basic_memory_buffer<std::filesystem::path::value_type>& quoted,
+    const std::filesystem::path& p) {
+  write_escaped_string<std::filesystem::path::value_type>(
+      std::back_inserter(quoted), p.native());
+}
+
+}  // namespace detail
+
+FMT_MODULE_EXPORT
+template <typename Char>
+struct formatter<std::filesystem::path, Char>
+    : formatter<basic_string_view<Char>> {
+  template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
+    auto out = formatter<basic_string_view<Char>>::parse(ctx);
+    this->set_debug_format(false);
+    return out;
+  }
+  template <typename FormatContext>
+  auto format(const std::filesystem::path& p, FormatContext& ctx) const ->
+      typename FormatContext::iterator {
+    auto quoted = basic_memory_buffer<Char>();
+    detail::write_escaped_path(quoted, p);
+    return formatter<basic_string_view<Char>>::format(
+        basic_string_view<Char>(quoted.data(), quoted.size()), ctx);
+  }
+};
+FMT_END_NAMESPACE
+#endif
+
+FMT_BEGIN_NAMESPACE
+FMT_MODULE_EXPORT
+template <typename Char>
+struct formatter<std::thread::id, Char> : basic_ostream_formatter<Char> {};
+FMT_END_NAMESPACE
+
+#ifdef __cpp_lib_optional
+FMT_BEGIN_NAMESPACE
+FMT_MODULE_EXPORT
+template <typename T, typename Char>
+struct formatter<std::optional<T>, Char,
+                 std::enable_if_t<is_formattable<T, Char>::value>> {
+ private:
+  formatter<T, Char> underlying_;
+  static constexpr basic_string_view<Char> optional =
+      detail::string_literal<Char, 'o', 'p', 't', 'i', 'o', 'n', 'a', 'l',
+                             '('>{};
+  static constexpr basic_string_view<Char> none =
+      detail::string_literal<Char, 'n', 'o', 'n', 'e'>{};
+
+  template <class U>
+  FMT_CONSTEXPR static auto maybe_set_debug_format(U& u, bool set)
+      -> decltype(u.set_debug_format(set)) {
+    u.set_debug_format(set);
+  }
+
+  template <class U>
+  FMT_CONSTEXPR static void maybe_set_debug_format(U&, ...) {}
+
+ public:
+  template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
+    maybe_set_debug_format(underlying_, true);
+    return underlying_.parse(ctx);
+  }
+
+  template <typename FormatContext>
+  auto format(std::optional<T> const& opt, FormatContext& ctx) const
+      -> decltype(ctx.out()) {
+    if (!opt) return detail::write<Char>(ctx.out(), none);
+
+    auto out = ctx.out();
+    out = detail::write<Char>(out, optional);
+    ctx.advance_to(out);
+    out = underlying_.format(*opt, ctx);
+    return detail::write(out, ')');
+  }
+};
+FMT_END_NAMESPACE
+#endif  // __cpp_lib_optional
+
+#ifdef __cpp_lib_variant
+FMT_BEGIN_NAMESPACE
+FMT_MODULE_EXPORT
+template <typename Char> struct formatter<std::monostate, Char> {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename FormatContext>
+  auto format(const std::monostate&, FormatContext& ctx) const
+      -> decltype(ctx.out()) {
+    auto out = ctx.out();
+    out = detail::write<Char>(out, "monostate");
+    return out;
+  }
+};
+
+namespace detail {
+
+template <typename T>
+using variant_index_sequence =
+    std::make_index_sequence<std::variant_size<T>::value>;
+
+template <typename> struct is_variant_like_ : std::false_type {};
+template <typename... Types>
+struct is_variant_like_<std::variant<Types...>> : std::true_type {};
+
+// formattable element check.
+template <typename T, typename C> class is_variant_formattable_ {
+  template <std::size_t... Is>
+  static std::conjunction<
+      is_formattable<std::variant_alternative_t<Is, T>, C>...>
+      check(std::index_sequence<Is...>);
+
+ public:
+  static constexpr const bool value =
+      decltype(check(variant_index_sequence<T>{}))::value;
+};
+
+template <typename Char, typename OutputIt, typename T>
+auto write_variant_alternative(OutputIt out, const T& v) -> OutputIt {
+  if constexpr (is_string<T>::value)
+    return write_escaped_string<Char>(out, detail::to_string_view(v));
+  else if constexpr (std::is_same_v<T, Char>)
+    return write_escaped_char(out, v);
+  else
+    return write<Char>(out, v);
+}
+
+}  // namespace detail
+template <typename T> struct is_variant_like {
+  static constexpr const bool value = detail::is_variant_like_<T>::value;
+};
+
+template <typename T, typename C> struct is_variant_formattable {
+  static constexpr const bool value =
+      detail::is_variant_formattable_<T, C>::value;
+};
+
+FMT_MODULE_EXPORT
+template <typename Variant, typename Char>
+struct formatter<
+    Variant, Char,
+    std::enable_if_t<std::conjunction_v<
+        is_variant_like<Variant>, is_variant_formattable<Variant, Char>>>> {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename FormatContext>
+  auto format(const Variant& value, FormatContext& ctx) const
+      -> decltype(ctx.out()) {
+    auto out = ctx.out();
+
+    out = detail::write<Char>(out, "variant(");
+    try {
+      std::visit(
+          [&](const auto& v) {
+            out = detail::write_variant_alternative<Char>(out, v);
+          },
+          value);
+    } catch (const std::bad_variant_access&) {
+      detail::write<Char>(out, "valueless by exception");
+    }
+    *out++ = ')';
+    return out;
+  }
+};
+FMT_END_NAMESPACE
+#endif  // __cpp_lib_variant
+
+FMT_BEGIN_NAMESPACE
+FMT_MODULE_EXPORT
+template <typename Char> struct formatter<std::error_code, Char> {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename FormatContext>
+  FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
+      -> decltype(ctx.out()) {
+    auto out = ctx.out();
+    out = detail::write_bytes(out, ec.category().name(), format_specs<Char>());
+    out = detail::write<Char>(out, Char(':'));
+    out = detail::write<Char>(out, ec.value());
+    return out;
+  }
+};
+
+FMT_MODULE_EXPORT
+template <typename T, typename Char>
+struct formatter<
+    T, Char,
+    typename std::enable_if<std::is_base_of<std::exception, T>::value>::type> {
+ private:
+  bool with_typename_ = false;
+
+ public:
+  FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
+      -> decltype(ctx.begin()) {
+    auto it = ctx.begin();
+    auto end = ctx.end();
+    if (it == end || *it == '}') return it;
+    if (*it == 't') {
+      ++it;
+      with_typename_ = true;
+    }
+    return it;
+  }
+
+  template <typename OutputIt>
+  auto format(const std::exception& ex,
+              basic_format_context<OutputIt, Char>& ctx) const -> OutputIt {
+    format_specs<Char> spec;
+    auto out = ctx.out();
+    if (!with_typename_)
+      return detail::write_bytes(out, string_view(ex.what()), spec);
+
+    const std::type_info& ti = typeid(ex);
+#ifdef FMT_HAS_ABI_CXA_DEMANGLE
+    int status = 0;
+    std::size_t size = 0;
+    std::unique_ptr<char, decltype(&std::free)> demangled_name_ptr(
+        abi::__cxa_demangle(ti.name(), nullptr, &size, &status), &std::free);
+
+    string_view demangled_name_view;
+    if (demangled_name_ptr) {
+      demangled_name_view = demangled_name_ptr.get();
+
+      // Normalization of stdlib inline namespace names.
+      // libc++ inline namespaces.
+      //  std::__1::*       -> std::*
+      //  std::__1::__fs::* -> std::*
+      // libstdc++ inline namespaces.
+      //  std::__cxx11::*             -> std::*
+      //  std::filesystem::__cxx11::* -> std::filesystem::*
+      if (demangled_name_view.starts_with("std::")) {
+        char* begin = demangled_name_ptr.get();
+        char* to = begin + 5;  // std::
+        for (char *from = to, *end = begin + demangled_name_view.size();
+             from < end;) {
+          // This is safe, because demangled_name is NUL-terminated.
+          if (from[0] == '_' && from[1] == '_') {
+            char* next = from + 1;
+            while (next < end && *next != ':') next++;
+            if (next[0] == ':' && next[1] == ':') {
+              from = next + 2;
+              continue;
+            }
+          }
+          *to++ = *from++;
+        }
+        demangled_name_view = {begin, detail::to_unsigned(to - begin)};
+      }
+    } else {
+      demangled_name_view = string_view(ti.name());
+    }
+    out = detail::write_bytes(out, demangled_name_view, spec);
+#elif FMT_MSC_VERSION
+    string_view demangled_name_view(ti.name());
+    if (demangled_name_view.starts_with("class "))
+      demangled_name_view.remove_prefix(6);
+    else if (demangled_name_view.starts_with("struct "))
+      demangled_name_view.remove_prefix(7);
+    out = detail::write_bytes(out, demangled_name_view, spec);
+#else
+    out = detail::write_bytes(out, string_view(ti.name()), spec);
+#endif
+    out = detail::write<Char>(out, Char(':'));
+    out = detail::write<Char>(out, Char(' '));
+    out = detail::write_bytes(out, string_view(ex.what()), spec);
+
+    return out;
+  }
+};
+FMT_END_NAMESPACE
+
+#endif  // FMT_STD_H_
diff --git a/third_party/fmt-9.1.0/include/fmt/xchar.h b/third_party/fmt-10.0.0/include/fmt/xchar.h
similarity index 87%
rename from third_party/fmt-9.1.0/include/fmt/xchar.h
rename to third_party/fmt-10.0.0/include/fmt/xchar.h
index 3b5bc15c..4b87f8d1 100644
--- a/third_party/fmt-9.1.0/include/fmt/xchar.h
+++ b/third_party/fmt-10.0.0/include/fmt/xchar.h
@@ -12,13 +12,32 @@
 
 #include "format.h"
 
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+#  include <locale>
+#endif
+
 FMT_BEGIN_NAMESPACE
 namespace detail {
+
 template <typename T>
 using is_exotic_char = bool_constant<!std::is_same<T, char>::value>;
+
+inline auto write_loc(std::back_insert_iterator<detail::buffer<wchar_t>> out,
+                      loc_value value, const format_specs<wchar_t>& specs,
+                      locale_ref loc) -> bool {
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+  auto& numpunct =
+      std::use_facet<std::numpunct<wchar_t>>(loc.get<std::locale>());
+  auto separator = std::wstring();
+  auto grouping = numpunct.grouping();
+  if (!grouping.empty()) separator = std::wstring(1, numpunct.thousands_sep());
+  return value.visit(loc_writer<wchar_t>{out, specs, separator, grouping, {}});
+#endif
+  return false;
 }
+}  // namespace detail
 
-FMT_MODULE_EXPORT_BEGIN
+FMT_BEGIN_EXPORT
 
 using wstring_view = basic_string_view<wchar_t>;
 using wformat_parse_context = basic_format_parse_context<wchar_t>;
@@ -33,7 +52,9 @@ inline auto runtime(wstring_view s) -> wstring_view { return s; }
 #else
 template <typename... Args>
 using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
-inline auto runtime(wstring_view s) -> basic_runtime<wchar_t> { return {{s}}; }
+inline auto runtime(wstring_view s) -> runtime_format_string<wchar_t> {
+  return {{s}};
+}
 #endif
 
 template <> struct is_char<wchar_t> : std::true_type {};
@@ -126,7 +147,7 @@ auto vformat_to(OutputIt out, const S& format_str,
     -> OutputIt {
   auto&& buf = detail::get_buffer<Char>(out);
   detail::vformat_to(buf, detail::to_string_view(format_str), args);
-  return detail::get_iterator(buf);
+  return detail::get_iterator(buf, out);
 }
 
 template <typename OutputIt, typename S, typename... Args,
@@ -149,7 +170,7 @@ inline auto vformat_to(
   auto&& buf = detail::get_buffer<Char>(out);
   vformat_to(buf, detail::to_string_view(format_str), args,
              detail::locale_ref(loc));
-  return detail::get_iterator(buf);
+  return detail::get_iterator(buf, out);
 }
 
 template <
@@ -160,7 +181,7 @@ template <
 inline auto format_to(OutputIt out, const Locale& loc, const S& format_str,
                       Args&&... args) ->
     typename std::enable_if<enable, OutputIt>::type {
-  return vformat_to(out, loc, to_string_view(format_str),
+  return vformat_to(out, loc, detail::to_string_view(format_str),
                     fmt::make_format_args<buffer_context<Char>>(args...));
 }
 
@@ -217,13 +238,22 @@ template <typename... T> void print(wformat_string<T...> fmt, T&&... args) {
   return vprint(wstring_view(fmt), fmt::make_wformat_args(args...));
 }
 
+template <typename... T>
+void println(std::FILE* f, wformat_string<T...> fmt, T&&... args) {
+  return print(f, L"{}\n", fmt::format(fmt, std::forward<T>(args)...));
+}
+
+template <typename... T> void println(wformat_string<T...> fmt, T&&... args) {
+  return print(L"{}\n", fmt::format(fmt, std::forward<T>(args)...));
+}
+
 /**
   Converts *value* to ``std::wstring`` using the default format for type *T*.
  */
 template <typename T> inline auto to_wstring(const T& value) -> std::wstring {
   return format(FMT_STRING(L"{}"), value);
 }
-FMT_MODULE_EXPORT_END
+FMT_END_EXPORT
 FMT_END_NAMESPACE
 
 #endif  // FMT_XCHAR_H_
diff --git a/third_party/fmt-9.1.0/src/fmt.cc b/third_party/fmt-10.0.0/src/fmt.cc
similarity index 60%
rename from third_party/fmt-9.1.0/src/fmt.cc
rename to third_party/fmt-10.0.0/src/fmt.cc
index 80e77e26..8ce91af5 100644
--- a/third_party/fmt-9.1.0/src/fmt.cc
+++ b/third_party/fmt-10.0.0/src/fmt.cc
@@ -1,49 +1,44 @@
 module;
-#ifndef __cpp_modules
-#  error Module not supported.
-#endif
-
-// put all implementation-provided headers into the global module fragment
-// to prevent attachment to this module
-#if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER)
-#  define _CRT_SECURE_NO_WARNINGS
-#endif
-#if !defined(WIN32_LEAN_AND_MEAN) && defined(_WIN32)
-#  define WIN32_LEAN_AND_MEAN
-#endif
 
+// Put all implementation-provided headers into the global module fragment
+// to prevent attachment to this module.
 #include <algorithm>
-#include <cctype>
 #include <cerrno>
 #include <chrono>
 #include <climits>
-#include <clocale>
 #include <cmath>
-#include <cstdarg>
 #include <cstddef>
 #include <cstdint>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
 #include <ctime>
-#include <cwchar>
 #include <exception>
+#include <filesystem>
+#include <fstream>
 #include <functional>
 #include <iterator>
 #include <limits>
 #include <locale>
 #include <memory>
+#include <optional>
 #include <ostream>
-#include <sstream>
 #include <stdexcept>
 #include <string>
 #include <string_view>
 #include <system_error>
+#include <thread>
 #include <type_traits>
+#include <typeinfo>
 #include <utility>
+#include <variant>
 #include <vector>
+#include <version>
 
-#if _MSC_VER
+#if __has_include(<cxxabi.h>)
+#  include <cxxabi.h>
+#endif
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #  include <intrin.h>
 #endif
 #if defined __APPLE__ || defined(__FreeBSD__)
@@ -65,22 +60,38 @@ module;
 #  endif
 #endif
 #ifdef _WIN32
+#  if defined(__GLIBCXX__)
+#    include <ext/stdio_filebuf.h>
+#    include <ext/stdio_sync_filebuf.h>
+#  elif defined(_LIBCPP_VERSION)
+#    include <__std_stream>
+#  endif
+#  define WIN32_LEAN_AND_MEAN
 #  include <windows.h>
 #endif
 
 export module fmt;
 
 #define FMT_MODULE_EXPORT export
-#define FMT_MODULE_EXPORT_BEGIN export {
-#define FMT_MODULE_EXPORT_END }
+#define FMT_BEGIN_EXPORT export {
+#define FMT_END_EXPORT }
 #define FMT_BEGIN_DETAIL_NAMESPACE \
   }                                \
   namespace detail {
 #define FMT_END_DETAIL_NAMESPACE \
   }                              \
   export {
-// all library-provided declarations and definitions
-// must be in the module purview to be exported
+// If you define FMT_ATTACH_TO_GLOBAL_MODULE
+//  - all declarations are detached from module 'fmt'
+//  - the module behaves like a traditional static library, too
+//  - all library symbols are mangled traditionally
+//  - you can mix TUs with either importing or #including the {fmt} API
+#ifdef FMT_ATTACH_TO_GLOBAL_MODULE
+extern "C++" {
+#endif
+
+// All library-provided declarations and definitions must be in the module
+// purview to be exported.
 #include "fmt/args.h"
 #include "fmt/chrono.h"
 #include "fmt/color.h"
@@ -88,11 +99,17 @@ export module fmt;
 #include "fmt/format.h"
 #include "fmt/os.h"
 #include "fmt/printf.h"
+#include "fmt/std.h"
 #include "fmt/xchar.h"
 
+
+#ifdef FMT_ATTACH_TO_GLOBAL_MODULE
+}
+#endif
+
 // gcc doesn't yet implement private module fragments
 #if !FMT_GCC_VERSION
-module : private;
+module :private;
 #endif
 
 #include "format.cc"
diff --git a/third_party/fmt-9.1.0/src/format.cc b/third_party/fmt-10.0.0/src/format.cc
similarity index 83%
rename from third_party/fmt-9.1.0/src/format.cc
rename to third_party/fmt-10.0.0/src/format.cc
index 99b7e9dd..391d3a24 100644
--- a/third_party/fmt-9.1.0/src/format.cc
+++ b/third_party/fmt-10.0.0/src/format.cc
@@ -28,12 +28,8 @@ template FMT_API auto decimal_point_impl(locale_ref) -> char;
 
 template FMT_API void buffer<char>::append(const char*, const char*);
 
-// DEPRECATED!
-// There is no correspondent extern template in format.h because of
-// incompatibility between clang and gcc (#2377).
 template FMT_API void vformat_to(buffer<char>&, string_view,
-                                 basic_format_args<FMT_BUFFER_CONTEXT(char)>,
-                                 locale_ref);
+                                 typename vformat_args<>::type, locale_ref);
 
 // Explicit instantiations for wchar_t.
 
diff --git a/third_party/fmt-9.1.0/src/os.cc b/third_party/fmt-10.0.0/src/os.cc
similarity index 73%
rename from third_party/fmt-9.1.0/src/os.cc
rename to third_party/fmt-10.0.0/src/os.cc
index f388ead0..01732b38 100644
--- a/third_party/fmt-9.1.0/src/os.cc
+++ b/third_party/fmt-10.0.0/src/os.cc
@@ -72,34 +72,6 @@ inline std::size_t convert_rwcount(std::size_t count) { return count; }
 FMT_BEGIN_NAMESPACE
 
 #ifdef _WIN32
-detail::utf16_to_utf8::utf16_to_utf8(basic_string_view<wchar_t> s) {
-  if (int error_code = convert(s)) {
-    FMT_THROW(windows_error(error_code,
-                            "cannot convert string from UTF-16 to UTF-8"));
-  }
-}
-
-int detail::utf16_to_utf8::convert(basic_string_view<wchar_t> s) {
-  if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER;
-  int s_size = static_cast<int>(s.size());
-  if (s_size == 0) {
-    // WideCharToMultiByte does not support zero length, handle separately.
-    buffer_.resize(1);
-    buffer_[0] = 0;
-    return 0;
-  }
-
-  int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0,
-                                   nullptr, nullptr);
-  if (length == 0) return GetLastError();
-  buffer_.resize(length + 1);
-  length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0],
-                               length, nullptr, nullptr);
-  if (length == 0) return GetLastError();
-  buffer_[length] = 0;
-  return 0;
-}
-
 namespace detail {
 
 class system_message {
@@ -140,8 +112,8 @@ class utf8_system_category final : public std::error_category {
   std::string message(int error_code) const override {
     system_message msg(error_code);
     if (msg) {
-      utf16_to_utf8 utf8_message;
-      if (utf8_message.convert(msg) == ERROR_SUCCESS) {
+      unicode_to_utf8<wchar_t> utf8_message;
+      if (utf8_message.convert(msg)) {
         return utf8_message.str();
       }
     }
@@ -167,9 +139,10 @@ void detail::format_windows_error(detail::buffer<char>& out, int error_code,
   FMT_TRY {
     system_message msg(error_code);
     if (msg) {
-      utf16_to_utf8 utf8_message;
-      if (utf8_message.convert(msg) == ERROR_SUCCESS) {
-        fmt::format_to(buffer_appender<char>(out), "{}: {}", message, utf8_message);
+      unicode_to_utf8<wchar_t> utf8_message;
+      if (utf8_message.convert(msg)) {
+        fmt::format_to(buffer_appender<char>(out), FMT_STRING("{}: {}"),
+                       message, string_view(utf8_message));
         return;
       }
     }
@@ -192,37 +165,47 @@ buffered_file::buffered_file(cstring_view filename, cstring_view mode) {
   FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())),
                 nullptr);
   if (!file_)
-    FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str()));
+    FMT_THROW(system_error(errno, FMT_STRING("cannot open file {}"),
+                           filename.c_str()));
 }
 
 void buffered_file::close() {
   if (!file_) return;
   int result = FMT_SYSTEM(fclose(file_));
   file_ = nullptr;
-  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+  if (result != 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot close file")));
 }
 
 int buffered_file::descriptor() const {
+#ifdef fileno  // fileno is a macro on OpenBSD so we cannot use FMT_POSIX_CALL.
+  int fd = fileno(file_);
+#else
   int fd = FMT_POSIX_CALL(fileno(file_));
-  if (fd == -1) FMT_THROW(system_error(errno, "cannot get file descriptor"));
+#endif
+  if (fd == -1)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot get file descriptor")));
   return fd;
 }
 
 #if FMT_USE_FCNTL
-file::file(cstring_view path, int oflag) {
 #  ifdef _WIN32
-  using mode_t = int;
+using mode_t = int;
 #  endif
-  constexpr mode_t mode =
-      S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
+constexpr mode_t default_open_mode =
+    S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
+
+file::file(cstring_view path, int oflag) {
 #  if defined(_WIN32) && !defined(__MINGW32__)
   fd_ = -1;
-  FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode));
+  auto converted = detail::utf8_to_utf16(string_view(path.c_str()));
+  *this = file::open_windows_file(converted.c_str(), oflag);
 #  else
-  FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode)));
-#  endif
+  FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, default_open_mode)));
   if (fd_ == -1)
-    FMT_THROW(system_error(errno, "cannot open file {}", path.c_str()));
+    FMT_THROW(
+        system_error(errno, FMT_STRING("cannot open file {}"), path.c_str()));
+#  endif
 }
 
 file::~file() noexcept {
@@ -238,7 +221,8 @@ void file::close() {
   // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
   int result = FMT_POSIX_CALL(close(fd_));
   fd_ = -1;
-  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+  if (result != 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot close file")));
 }
 
 long long file::size() const {
@@ -260,7 +244,7 @@ long long file::size() const {
   using Stat = struct stat;
   Stat file_stat = Stat();
   if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1)
-    FMT_THROW(system_error(errno, "cannot get file attributes"));
+    FMT_THROW(system_error(errno, FMT_STRING("cannot get file attributes")));
   static_assert(sizeof(long long) >= sizeof(file_stat.st_size),
                 "return type of file::size is not large enough");
   return file_stat.st_size;
@@ -270,14 +254,16 @@ long long file::size() const {
 std::size_t file::read(void* buffer, std::size_t count) {
   rwresult result = 0;
   FMT_RETRY(result, FMT_POSIX_CALL(read(fd_, buffer, convert_rwcount(count))));
-  if (result < 0) FMT_THROW(system_error(errno, "cannot read from file"));
+  if (result < 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot read from file")));
   return detail::to_unsigned(result);
 }
 
 std::size_t file::write(const void* buffer, std::size_t count) {
   rwresult result = 0;
   FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
-  if (result < 0) FMT_THROW(system_error(errno, "cannot write to file"));
+  if (result < 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
   return detail::to_unsigned(result);
 }
 
@@ -286,7 +272,8 @@ file file::dup(int fd) {
   // http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html
   int new_fd = FMT_POSIX_CALL(dup(fd));
   if (new_fd == -1)
-    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {}", fd));
+    FMT_THROW(system_error(
+        errno, FMT_STRING("cannot duplicate file descriptor {}"), fd));
   return file(new_fd);
 }
 
@@ -294,8 +281,9 @@ void file::dup2(int fd) {
   int result = 0;
   FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
   if (result == -1) {
-    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {} to {}",
-                           fd_, fd));
+    FMT_THROW(system_error(
+        errno, FMT_STRING("cannot duplicate file descriptor {} to {}"), fd_,
+        fd));
   }
 }
 
@@ -320,7 +308,8 @@ void file::pipe(file& read_end, file& write_end) {
   // http://pubs.opengroup.org/onlinepubs/009696799/functions/pipe.html
   int result = FMT_POSIX_CALL(pipe(fds));
 #  endif
-  if (result != 0) FMT_THROW(system_error(errno, "cannot create pipe"));
+  if (result != 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot create pipe")));
   // The following assignments don't throw because read_fd and write_fd
   // are closed.
   read_end = file(fds[0]);
@@ -334,28 +323,68 @@ buffered_file file::fdopen(const char* mode) {
 #  else
   FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
 #  endif
-  if (!f)
-    FMT_THROW(
-        system_error(errno, "cannot associate stream with file descriptor"));
+  if (!f) {
+    FMT_THROW(system_error(
+        errno, FMT_STRING("cannot associate stream with file descriptor")));
+  }
   buffered_file bf(f);
   fd_ = -1;
   return bf;
 }
 
+#  if defined(_WIN32) && !defined(__MINGW32__)
+file file::open_windows_file(wcstring_view path, int oflag) {
+  int fd = -1;
+  auto err = _wsopen_s(&fd, path.c_str(), oflag, _SH_DENYNO, default_open_mode);
+  if (fd == -1) {
+    FMT_THROW(
+        system_error(err, FMT_STRING("cannot open file {}"),
+                     detail::unicode_to_utf8<wchar_t>(path.c_str()).c_str()));
+  }
+  return file(fd);
+}
+#  endif
+
+#  if !defined(__MSDOS__)
 long getpagesize() {
-#  ifdef _WIN32
+#    ifdef _WIN32
   SYSTEM_INFO si;
   GetSystemInfo(&si);
   return si.dwPageSize;
-#  else
+#    else
   long size = FMT_POSIX_CALL(sysconf(_SC_PAGESIZE));
-  if (size < 0) FMT_THROW(system_error(errno, "cannot get memory page size"));
+  if (size < 0)
+    FMT_THROW(system_error(errno, FMT_STRING("cannot get memory page size")));
   return size;
-#  endif
+#    endif
 }
+#  endif
+
+namespace detail {
 
-FMT_API void ostream::grow(size_t) {
+void file_buffer::grow(size_t) {
   if (this->size() == this->capacity()) flush();
 }
+
+file_buffer::file_buffer(cstring_view path,
+                         const detail::ostream_params& params)
+    : file_(path, params.oflag) {
+  set(new char[params.buffer_size], params.buffer_size);
+}
+
+file_buffer::file_buffer(file_buffer&& other)
+    : detail::buffer<char>(other.data(), other.size(), other.capacity()),
+      file_(std::move(other.file_)) {
+  other.clear();
+  other.set(nullptr, 0);
+}
+
+file_buffer::~file_buffer() {
+  flush();
+  delete[] data();
+}
+}  // namespace detail
+
+ostream::~ostream() = default;
 #endif  // FMT_USE_FCNTL
 FMT_END_NAMESPACE
diff --git a/third_party/fmt-9.1.0/support/Android.mk b/third_party/fmt-10.0.0/support/Android.mk
similarity index 100%
rename from third_party/fmt-9.1.0/support/Android.mk
rename to third_party/fmt-10.0.0/support/Android.mk
diff --git a/third_party/fmt-9.1.0/support/AndroidManifest.xml b/third_party/fmt-10.0.0/support/AndroidManifest.xml
similarity index 100%
rename from third_party/fmt-9.1.0/support/AndroidManifest.xml
rename to third_party/fmt-10.0.0/support/AndroidManifest.xml
diff --git a/third_party/fmt-9.1.0/support/C++.sublime-syntax b/third_party/fmt-10.0.0/support/C++.sublime-syntax
similarity index 100%
rename from third_party/fmt-9.1.0/support/C++.sublime-syntax
rename to third_party/fmt-10.0.0/support/C++.sublime-syntax
diff --git a/third_party/fmt-9.1.0/support/README b/third_party/fmt-10.0.0/support/README
similarity index 100%
rename from third_party/fmt-9.1.0/support/README
rename to third_party/fmt-10.0.0/support/README
diff --git a/third_party/fmt-9.1.0/support/Vagrantfile b/third_party/fmt-10.0.0/support/Vagrantfile
similarity index 75%
rename from third_party/fmt-9.1.0/support/Vagrantfile
rename to third_party/fmt-10.0.0/support/Vagrantfile
index f6b5f936..9680a1a1 100644
--- a/third_party/fmt-9.1.0/support/Vagrantfile
+++ b/third_party/fmt-10.0.0/support/Vagrantfile
@@ -13,8 +13,8 @@ Vagrant.configure("2") do |config|
   config.vm.provision "shell", inline: <<-SHELL
     apt-get update
     apt-get install -y g++ make wget git
-    wget -q https://github.com/Kitware/CMake/releases/download/v3.14.4/cmake-3.14.4-Linux-x86_64.tar.gz
-    tar xzf cmake-3.14.4-Linux-x86_64.tar.gz
-    ln -s `pwd`/cmake-3.14.4-Linux-x86_64/bin/cmake /usr/local/bin
+    wget -q https://github.com/Kitware/CMake/releases/download/v3.26.0/cmake-3.26.0-Linux-x86_64.tar.gz
+    tar xzf cmake-3.26.0-Linux-x86_64.tar.gz
+    ln -s `pwd`/cmake-3.26.0-Linux-x86_64/bin/cmake /usr/local/bin
   SHELL
 end
diff --git a/third_party/fmt-10.0.0/support/bazel/.bazelversion b/third_party/fmt-10.0.0/support/bazel/.bazelversion
new file mode 100644
index 00000000..5e325424
--- /dev/null
+++ b/third_party/fmt-10.0.0/support/bazel/.bazelversion
@@ -0,0 +1 @@
+6.1.2
diff --git a/third_party/fmt-9.1.0/support/bazel/BUILD.bazel b/third_party/fmt-10.0.0/support/bazel/BUILD.bazel
similarity index 96%
rename from third_party/fmt-9.1.0/support/bazel/BUILD.bazel
rename to third_party/fmt-10.0.0/support/bazel/BUILD.bazel
index 08576589..29f639be 100644
--- a/third_party/fmt-9.1.0/support/bazel/BUILD.bazel
+++ b/third_party/fmt-10.0.0/support/bazel/BUILD.bazel
@@ -11,8 +11,8 @@ cc_library(
         "include/fmt/color.h",
         "include/fmt/compile.h",
         "include/fmt/core.h",
-        "include/fmt/format-inl.h",
         "include/fmt/format.h",
+        "include/fmt/format-inl.h",
         "include/fmt/os.h",
         "include/fmt/ostream.h",
         "include/fmt/printf.h",
@@ -21,7 +21,7 @@ cc_library(
         "include/fmt/xchar.h",
     ],
     includes = [
-        "include",        
+        "include",
     ],
     strip_include_prefix = "include",
     visibility = ["//visibility:public"],
diff --git a/third_party/fmt-9.1.0/support/bazel/README.md b/third_party/fmt-10.0.0/support/bazel/README.md
similarity index 77%
rename from third_party/fmt-9.1.0/support/bazel/README.md
rename to third_party/fmt-10.0.0/support/bazel/README.md
index 44af620c..4c29febb 100644
--- a/third_party/fmt-9.1.0/support/bazel/README.md
+++ b/third_party/fmt-10.0.0/support/bazel/README.md
@@ -1,6 +1,6 @@
 # Bazel support
 
-To get [Bazel](https://bazel.build/) working with {fmt} you can copy the files `BUILD.bazel`, `WORKSPACE.bazel`, `.bazelrc`, and `.bazelversion` from this folder (`support/bazel`) to the root folder of this project. This way {fmt} gets bazelized and can be used with Bazel (e.g. doing a `bazel build //...` on {fmt}). 
+To get [Bazel](https://bazel.build/) working with {fmt} you can copy the files `BUILD.bazel`, `WORKSPACE.bazel`, and `.bazelversion` from this folder (`support/bazel`) to the root folder of this project. This way {fmt} gets bazelized and can be used with Bazel (e.g. doing a `bazel build //...` on {fmt}). 
 
 ## Using {fmt} as a dependency
 
@@ -37,7 +37,6 @@ git_repository(
     branch = "master",
     remote = "https://github.com/fmtlib/fmt",
     patch_cmds = [
-        "mv support/bazel/.bazelrc .bazelrc",
         "mv support/bazel/.bazelversion .bazelversion",
         "mv support/bazel/BUILD.bazel BUILD.bazel",
         "mv support/bazel/WORKSPACE.bazel WORKSPACE.bazel",
@@ -47,7 +46,6 @@ git_repository(
     # https://docs.bazel.build/versions/main/install-windows.html#installing-compilers-and-language-runtimes
     # Even if MSYS2 is installed the Windows related patch commands can still be used.
     patch_cmds_win = [
-        "Move-Item -Path support/bazel/.bazelrc -Destination .bazelrc",
         "Move-Item -Path support/bazel/.bazelversion -Destination .bazelversion",
         "Move-Item -Path support/bazel/BUILD.bazel -Destination BUILD.bazel",
         "Move-Item -Path support/bazel/WORKSPACE.bazel -Destination WORKSPACE.bazel",
@@ -55,7 +53,7 @@ git_repository(
 )
 ```
 
-In the *WORKSPACE* file, the {fmt} GitHub repository is fetched. Using the attribute `patch_cmds` the  files `BUILD.bazel`, `WORKSPACE.bazel`, `.bazelrc`, and `.bazelversion` are moved to the root of the {fmt} repository. This way the {fmt} repository is recognized as a bazelized workspace. 
+In the *WORKSPACE* file, the {fmt} GitHub repository is fetched. Using the attribute `patch_cmds` the  files `BUILD.bazel`, `WORKSPACE.bazel`, and `.bazelversion` are moved to the root of the {fmt} repository. This way the {fmt} repository is recognized as a bazelized workspace. 
 
 *BUILD.bazel*:
 
@@ -71,3 +69,6 @@ The *BUILD* file defines a binary named `Demo` that has a dependency to {fmt}.
 
 To execute the binary you can run `bazel run //:Demo`.
 
+# Using Bzlmod
+
+The [Bazel Central Registry](https://github.com/bazelbuild/bazel-central-registry/tree/main/modules/fmt) also provides support for {fmt}.
diff --git a/third_party/fmt-9.1.0/support/bazel/WORKSPACE.bazel b/third_party/fmt-10.0.0/support/bazel/WORKSPACE.bazel
similarity index 100%
rename from third_party/fmt-9.1.0/support/bazel/WORKSPACE.bazel
rename to third_party/fmt-10.0.0/support/bazel/WORKSPACE.bazel
diff --git a/third_party/fmt-9.1.0/support/build-docs.py b/third_party/fmt-10.0.0/support/build-docs.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/build-docs.py
rename to third_party/fmt-10.0.0/support/build-docs.py
diff --git a/third_party/fmt-9.1.0/support/build.gradle b/third_party/fmt-10.0.0/support/build.gradle
similarity index 98%
rename from third_party/fmt-9.1.0/support/build.gradle
rename to third_party/fmt-10.0.0/support/build.gradle
index 8d18da6b..c5126d05 100644
--- a/third_party/fmt-9.1.0/support/build.gradle
+++ b/third_party/fmt-10.0.0/support/build.gradle
@@ -11,7 +11,7 @@ buildscript {
         // https://developer.android.com/studio/releases/gradle-plugin#updating-gradle
         //
         // Notice that 4.0.0 here is the version of [Android Gradle Plugin]
-        // Accroding to URL above you will need Gradle 6.1 or higher
+        // According to URL above you will need Gradle 6.1 or higher
         //
         classpath "com.android.tools.build:gradle:4.1.1"
     }
diff --git a/third_party/fmt-9.1.0/support/cmake/FindSetEnv.cmake b/third_party/fmt-10.0.0/support/cmake/FindSetEnv.cmake
similarity index 100%
rename from third_party/fmt-9.1.0/support/cmake/FindSetEnv.cmake
rename to third_party/fmt-10.0.0/support/cmake/FindSetEnv.cmake
diff --git a/third_party/fmt-9.1.0/support/cmake/JoinPaths.cmake b/third_party/fmt-10.0.0/support/cmake/JoinPaths.cmake
similarity index 100%
rename from third_party/fmt-9.1.0/support/cmake/JoinPaths.cmake
rename to third_party/fmt-10.0.0/support/cmake/JoinPaths.cmake
diff --git a/third_party/fmt-9.1.0/support/cmake/fmt-config.cmake.in b/third_party/fmt-10.0.0/support/cmake/fmt-config.cmake.in
similarity index 100%
rename from third_party/fmt-9.1.0/support/cmake/fmt-config.cmake.in
rename to third_party/fmt-10.0.0/support/cmake/fmt-config.cmake.in
diff --git a/third_party/fmt-9.1.0/support/cmake/fmt.pc.in b/third_party/fmt-10.0.0/support/cmake/fmt.pc.in
similarity index 100%
rename from third_party/fmt-9.1.0/support/cmake/fmt.pc.in
rename to third_party/fmt-10.0.0/support/cmake/fmt.pc.in
diff --git a/third_party/fmt-9.1.0/support/compute-powers.py b/third_party/fmt-10.0.0/support/compute-powers.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/compute-powers.py
rename to third_party/fmt-10.0.0/support/compute-powers.py
diff --git a/third_party/fmt-9.1.0/support/docopt.py b/third_party/fmt-10.0.0/support/docopt.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/docopt.py
rename to third_party/fmt-10.0.0/support/docopt.py
diff --git a/third_party/fmt-9.1.0/support/manage.py b/third_party/fmt-10.0.0/support/manage.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/manage.py
rename to third_party/fmt-10.0.0/support/manage.py
diff --git a/third_party/fmt-9.1.0/support/printable.py b/third_party/fmt-10.0.0/support/printable.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/printable.py
rename to third_party/fmt-10.0.0/support/printable.py
diff --git a/third_party/fmt-9.1.0/support/rst2md.py b/third_party/fmt-10.0.0/support/rst2md.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/rst2md.py
rename to third_party/fmt-10.0.0/support/rst2md.py
diff --git a/third_party/fmt-9.1.0/support/rtd/conf.py b/third_party/fmt-10.0.0/support/rtd/conf.py
similarity index 100%
rename from third_party/fmt-9.1.0/support/rtd/conf.py
rename to third_party/fmt-10.0.0/support/rtd/conf.py
diff --git a/third_party/fmt-9.1.0/support/rtd/index.rst b/third_party/fmt-10.0.0/support/rtd/index.rst
similarity index 100%
rename from third_party/fmt-9.1.0/support/rtd/index.rst
rename to third_party/fmt-10.0.0/support/rtd/index.rst
diff --git a/third_party/fmt-9.1.0/support/rtd/theme/layout.html b/third_party/fmt-10.0.0/support/rtd/theme/layout.html
similarity index 100%
rename from third_party/fmt-9.1.0/support/rtd/theme/layout.html
rename to third_party/fmt-10.0.0/support/rtd/theme/layout.html
diff --git a/third_party/fmt-9.1.0/doc/basic-bootstrap/theme.conf b/third_party/fmt-10.0.0/support/rtd/theme/theme.conf
similarity index 100%
rename from third_party/fmt-9.1.0/doc/basic-bootstrap/theme.conf
rename to third_party/fmt-10.0.0/support/rtd/theme/theme.conf
diff --git a/third_party/fmt-9.1.0/.clang-format b/third_party/fmt-9.1.0/.clang-format
deleted file mode 100644
index df55d340..00000000
--- a/third_party/fmt-9.1.0/.clang-format
+++ /dev/null
@@ -1,8 +0,0 @@
-# Run manually to reformat a file:
-# clang-format -i --style=file <file>
-Language: Cpp
-BasedOnStyle: Google
-IndentPPDirectives: AfterHash
-IndentCaseLabels: false
-AlwaysBreakTemplateDeclarations: false
-DerivePointerAlignment: false
diff --git a/third_party/fmt-9.1.0/CONTRIBUTING.md b/third_party/fmt-9.1.0/CONTRIBUTING.md
deleted file mode 100644
index b82f1450..00000000
--- a/third_party/fmt-9.1.0/CONTRIBUTING.md
+++ /dev/null
@@ -1,20 +0,0 @@
-Contributing to {fmt}
-=====================
-
-By submitting a pull request or a patch, you represent that you have the right
-to license your contribution to the {fmt} project owners and the community,
-agree that your contributions are licensed under the {fmt} license, and agree
-to future changes to the licensing.
-
-All C++ code must adhere to [Google C++ Style Guide](
-https://google.github.io/styleguide/cppguide.html) with the following
-exceptions:
-
-* Exceptions are permitted
-* snake_case should be used instead of UpperCamelCase for function and type
-  names
-
-All documentation must adhere to the [Google Developer Documentation Style
-Guide](https://developers.google.com/style).
-
-Thanks for contributing!
diff --git a/third_party/fmt-9.1.0/doc/CMakeLists.txt b/third_party/fmt-9.1.0/doc/CMakeLists.txt
deleted file mode 100644
index fd9f4d1e..00000000
--- a/third_party/fmt-9.1.0/doc/CMakeLists.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-find_program(DOXYGEN doxygen
-  PATHS "$ENV{ProgramFiles}/doxygen/bin"
-        "$ENV{ProgramFiles\(x86\)}/doxygen/bin")
-if (NOT DOXYGEN)
-  message(STATUS "Target 'doc' disabled (requires doxygen)")
-  return ()
-endif ()
-
-# Find the Python interpreter and set the PYTHON_EXECUTABLE variable.
-if (CMAKE_VERSION VERSION_LESS 3.12)
-  # This logic is deprecated in CMake after 3.12.
-  find_package(PythonInterp QUIET REQUIRED)
-else ()
-  find_package(Python QUIET REQUIRED)
-  set(PYTHON_EXECUTABLE ${Python_EXECUTABLE})
-endif ()
-
-add_custom_target(doc
-  COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/build.py
-                               ${FMT_VERSION}
-  SOURCES api.rst syntax.rst usage.rst build.py conf.py _templates/layout.html)
-
-include(GNUInstallDirs)
-install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html/
-        DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/doc/fmt OPTIONAL
-        PATTERN ".doctrees" EXCLUDE)
diff --git a/third_party/fmt-9.1.0/doc/_static/bootstrap.min.js b/third_party/fmt-9.1.0/doc/_static/bootstrap.min.js
deleted file mode 100644
index c8f82e59..00000000
--- a/third_party/fmt-9.1.0/doc/_static/bootstrap.min.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*!
- * Bootstrap v3.3.4 (http://getbootstrap.com)
- * Copyright 2011-2015 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){"use strict";var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1)throw new Error("Bootstrap's JavaScript requires jQuery version 1.9.1 or higher")}(jQuery),+function(a){"use strict";function b(){var a=document.createElement("bootstrap"),b={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"};for(var c in b)if(void 0!==a.style[c])return{end:b[c]};return!1}a.fn.emulateTransitionEnd=function(b){var c=!1,d=this;a(this).one("bsTransitionEnd",function(){c=!0});var e=function(){c||a(d).trigger(a.support.transition.end)};return setTimeout(e,b),this},a(function(){a.support.transition=b(),a.support.transition&&(a.event.special.bsTransitionEnd={bindType:a.support.transition.end,delegateType:a.support.transition.end,handle:function(b){return a(b.target).is(this)?b.handleObj.handler.apply(this,arguments):void 0}})})}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var c=a(this),e=c.data("bs.alert");e||c.data("bs.alert",e=new d(this)),"string"==typeof b&&e[b].call(c)})}var c='[data-dismiss="alert"]',d=function(b){a(b).on("click",c,this.close)};d.VERSION="3.3.4",d.TRANSITION_DURATION=150,d.prototype.close=function(b){function c(){g.detach().trigger("closed.bs.alert").remove()}var e=a(this),f=e.attr("data-target");f||(f=e.attr("href"),f=f&&f.replace(/.*(?=#[^\s]*$)/,""));var g=a(f);b&&b.preventDefault(),g.length||(g=e.closest(".alert")),g.trigger(b=a.Event("close.bs.alert")),b.isDefaultPrevented()||(g.removeClass("in"),a.support.transition&&g.hasClass("fade")?g.one("bsTransitionEnd",c).emulateTransitionEnd(d.TRANSITION_DURATION):c())};var e=a.fn.alert;a.fn.alert=b,a.fn.alert.Constructor=d,a.fn.alert.noConflict=function(){return a.fn.alert=e,this},a(document).on("click.bs.alert.data-api",c,d.prototype.close)}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.button"),f="object"==typeof b&&b;e||d.data("bs.button",e=new c(this,f)),"toggle"==b?e.toggle():b&&e.setState(b)})}var c=function(b,d){this.$element=a(b),this.options=a.extend({},c.DEFAULTS,d),this.isLoading=!1};c.VERSION="3.3.4",c.DEFAULTS={loadingText:"loading..."},c.prototype.setState=function(b){var c="disabled",d=this.$element,e=d.is("input")?"val":"html",f=d.data();b+="Text",null==f.resetText&&d.data("resetText",d[e]()),setTimeout(a.proxy(function(){d[e](null==f[b]?this.options[b]:f[b]),"loadingText"==b?(this.isLoading=!0,d.addClass(c).attr(c,c)):this.isLoading&&(this.isLoading=!1,d.removeClass(c).removeAttr(c))},this),0)},c.prototype.toggle=function(){var a=!0,b=this.$element.closest('[data-toggle="buttons"]');if(b.length){var 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\ No newline at end of file
diff --git a/third_party/fmt-9.1.0/doc/_static/fonts/glyphicons-halflings-regular.ttf b/third_party/fmt-9.1.0/doc/_static/fonts/glyphicons-halflings-regular.ttf
deleted file mode 100644
index 67fa00bf..00000000
Binary files a/third_party/fmt-9.1.0/doc/_static/fonts/glyphicons-halflings-regular.ttf and /dev/null differ
diff --git a/third_party/fmt-9.1.0/doc/_static/fonts/glyphicons-halflings-regular.woff b/third_party/fmt-9.1.0/doc/_static/fonts/glyphicons-halflings-regular.woff
deleted file mode 100644
index 8c54182a..00000000
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diff --git a/third_party/fmt-9.1.0/doc/_templates/layout.html b/third_party/fmt-9.1.0/doc/_templates/layout.html
deleted file mode 100644
index 333a606c..00000000
--- a/third_party/fmt-9.1.0/doc/_templates/layout.html
+++ /dev/null
@@ -1,148 +0,0 @@
-{% extends "!layout.html" %}
-
-{% block extrahead %}
-<meta name="description" content="Small, safe and fast formatting library">
-<meta name="keywords" content="C++, formatting, printf, string, library">
-<meta name="author" content="Victor Zverovich">
-<link rel="stylesheet" href="_static/fmt.css">
-{# Google Analytics #}
-<script async src="https://www.googletagmanager.com/gtag/js?id=UA-20116650-4"></script>
-<script>
-  window.dataLayer = window.dataLayer || [];
-  function gtag(){dataLayer.push(arguments);}
-  gtag('js', new Date());
-
-  gtag('config', 'UA-20116650-4');
-</script>
-{% endblock %}
-
-{%- macro searchform(classes, button) %}
-<form class="{{classes}}" role="search" action="{{ pathto('search') }}"
-      method="get">
-  <div class="form-group">
-    <input type="text" name="q" class="form-control"
-           {{ 'placeholder="Search"' if not button }} >
-  </div>
-  <input type="hidden" name="check_keywords" value="yes" />
-  <input type="hidden" name="area" value="default" />
-  {% if button %}
-    <input type="submit" class="btn btn-default" value="search">
-  {% endif %}
-</form>
-{%- endmacro %}
-
-{% block header %}
-<nav class="navbar navbar-inverse">
-  <div class="tb-container">
-    <div class="row">
-      <div class="navbar-content">
-        {# Brand and toggle get grouped for better mobile display #}
-        <div class="navbar-header">
-          <button type="button" class="navbar-toggle collapsed"
-                  data-toggle="collapse" data-target=".navbar-collapse">
-            <span class="sr-only">Toggle navigation</span>
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
-          </button>
-          <a class="navbar-brand" href="index.html">{fmt}</a>
-        </div>
-
-        {# Collect the nav links, forms, and other content for toggling #}
-        <div class="collapse navbar-collapse">
-          <ul class="nav navbar-nav">
-            <li class="dropdown">
-              <a href="#" class="dropdown-toggle" data-toggle="dropdown"
-                 role="button" aria-expanded="false">{{ version }}
-                <span class="caret"></span></a>
-              <ul class="dropdown-menu" role="menu">
-                {% for v in versions.split(',') %}
-                <li><a href="https://fmt.dev/{{v}}">{{v}}</a></li>
-                {% endfor %}
-              </ul>
-            </li>
-            {% for name in ['Contents', 'Usage', 'API', 'Syntax'] %}
-              {% if pagename == name.lower() %}
-              <li class="active"><a href="{{name.lower()}}.html">{{name}}
-                <span class="sr-only">(current)</span></a></li>
-              {%else%}
-              <li><a href="{{name.lower()}}.html">{{name}}</a></li>
-              {%endif%}
-            {% endfor %}
-          </ul>
-          {% if pagename != 'search' %}
-            {{ searchform('navbar-form navbar-right', False) }}
-          {%endif%}
-        </div> {# /.navbar-collapse #}
-      </div> {# /.col-md-offset-2 #}
-    </div> {# /.row #}
-  </div> {# /.tb-container #}
-</nav>
-{% if pagename == "index" %}
-{% set download_url = 'https://github.com/fmtlib/fmt/releases/download' %}
-<div class="jumbotron">
-  <div class="tb-container">
-    <h1>{fmt}</h1>
-    <p class="lead">A modern formatting library</p>
-    <div class="btn-group" role="group">
-      {% set name = 'fmt' if version.split('.')[0]|int >= 3 else 'cppformat' %}
-      <a class="btn btn-success"
-         href="{{download_url}}/{{version}}/{{name}}-{{version}}.zip">
-           <span class="glyphicon glyphicon-download"></span> Download
-      </a>
-      <button type="button" class="btn btn-success dropdown-toggle"
-        data-toggle="dropdown"><span class="caret"></span></button>
-      <ul class="dropdown-menu">
-      {% for v in versions.split(',') %}
-      {% set name = 'fmt' if v.split('.')[0]|int >= 3 else 'cppformat' %}
-        <li><a href="{{download_url}}/{{v}}/{{name}}-{{v}}.zip">Version {{v}}
-          </a></li>
-      {% endfor %}
-      </ul>
-    </div>
-  </div>
-</div>
-{% endif %}
-{% endblock %}
-
-{# Disable relbars. #}
-{% block relbar1 %}
-{% endblock %}
-{% block relbar2 %}
-{% endblock %}
-
-{% block content %}
-<div class="tb-container">
-  <div class="row">
-    {# Sidebar is currently disabled.
-    <div class="bs-sidebar">
-      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
-        <div class="sphinxsidebarwrapper">
-          {%- block sidebarlogo %}
-          {%- if logo %}
-            <p class="logo"><a href="{{ pathto(master_doc) }}">
-              <img class="logo" src="{{ pathto('_static/' + logo, 1) }}"
-                   alt="Logo"/>
-            </a></p>
-          {%- endif %}
-          {%- endblock %}
-          {%- for sidebartemplate in sidebars %}
-          {%- include sidebartemplate %}
-          {%- endfor %}
-        </div>
-      </div>
-    </div>
-    #}
-
-    <div class="content">
-      {% block body %} {% endblock %}
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block footer %}
-{{ super() }}
-{# Placed at the end of the document so the pages load faster. #}
-<script src="_static/bootstrap.min.js"></script>
-{% endblock %}
diff --git a/third_party/fmt-9.1.0/doc/_templates/search.html b/third_party/fmt-9.1.0/doc/_templates/search.html
deleted file mode 100644
index 488e0b5d..00000000
--- a/third_party/fmt-9.1.0/doc/_templates/search.html
+++ /dev/null
@@ -1,55 +0,0 @@
-{#
-    basic/search.html
-    ~~~~~~~~~~~~~~~~~
-
-    Template for the search page.
-
-    :copyright: Copyright 2007-2015 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-#}
-{%- extends "layout.html" %}
-{% set title = _('Search') %}
-{% set script_files = script_files + ['_static/searchtools.js'] %}
-{% block extrahead %}
-  <script type="text/javascript">
-    jQuery(function() { Search.loadIndex("{{ pathto('searchindex.js', 1) }}"); });
-  </script>
-  {# this is used when loading the search index using $.ajax fails,
-     such as on Chrome for documents on localhost #}
-  <script type="text/javascript" id="searchindexloader"></script>
-  {{ super() }}
-{% endblock %}
-{% block body %}
-  <h1 id="search-documentation">{{ _('Search') }}</h1>
-  <div id="fallback" class="admonition warning">
-  <script type="text/javascript">$('#fallback').hide();</script>
-  <p>
-    {% trans %}Please activate JavaScript to enable the search
-    functionality.{% endtrans %}
-  </p>
-  </div>
-  <p>
-    {% trans %}From here you can search these documents. Enter your search
-    words into the box below and click "search". Note that the search
-    function will automatically search for all of the words. Pages
-    containing fewer words won't appear in the result list.{% endtrans %}
-  </p>
-  {{ searchform('form-inline', True) }}
-  {% if search_performed %}
-    <h2>{{ _('Search Results') }}</h2>
-    {% if not search_results %}
-      <p>{{ _('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.') }}</p>
-    {% endif %}
-  {% endif %}
-  <div id="search-results">
-  {% if search_results %}
-    <ul>
-    {% for href, caption, context in search_results %}
-      <li><a href="{{ pathto(item.href) }}">{{ caption }}</a>
-        <div class="context">{{ context|e }}</div>
-      </li>
-    {% endfor %}
-    </ul>
-  {% endif %}
-  </div>
-{% endblock %}
diff --git a/third_party/fmt-9.1.0/doc/api.rst b/third_party/fmt-9.1.0/doc/api.rst
deleted file mode 100644
index 711d3109..00000000
--- a/third_party/fmt-9.1.0/doc/api.rst
+++ /dev/null
@@ -1,616 +0,0 @@
-.. _string-formatting-api:
-
-*************
-API Reference
-*************
-
-The {fmt} library API consists of the following parts:
-
-* :ref:`fmt/core.h <core-api>`: the core API providing main formatting functions
-  for ``char``/UTF-8 with C++20 compile-time checks and minimal dependencies
-* :ref:`fmt/format.h <format-api>`: the full format API providing additional
-  formatting functions and locale support
-* :ref:`fmt/ranges.h <ranges-api>`: formatting of ranges and tuples
-* :ref:`fmt/chrono.h <chrono-api>`: date and time formatting
-* :ref:`fmt/std.h <std-api>`: formatters for standard library types
-* :ref:`fmt/compile.h <compile-api>`: format string compilation
-* :ref:`fmt/color.h <color-api>`: terminal color and text style
-* :ref:`fmt/os.h <os-api>`: system APIs
-* :ref:`fmt/ostream.h <ostream-api>`: ``std::ostream`` support
-* :ref:`fmt/printf.h <printf-api>`: ``printf`` formatting
-* :ref:`fmt/xchar.h <xchar-api>`: optional ``wchar_t`` support 
-
-All functions and types provided by the library reside in namespace ``fmt`` and
-macros have prefix ``FMT_``.
-
-.. _core-api:
-
-Core API
-========
-
-``fmt/core.h`` defines the core API which provides main formatting functions
-for ``char``/UTF-8 with C++20 compile-time checks. It has minimal include
-dependencies for better compile times. This header is only beneficial when
-using {fmt} as a library and not in the header-only mode.
-
-The following functions use :ref:`format string syntax <syntax>`
-similar to that of Python's `str.format
-<https://docs.python.org/3/library/stdtypes.html#str.format>`_.
-They take *fmt* and *args* as arguments.
-
-*fmt* is a format string that contains literal text and replacement fields
-surrounded by braces ``{}``. The fields are replaced with formatted arguments
-in the resulting string. `~fmt::format_string` is a format string which can be
-implicitly constructed from a string literal or a ``constexpr`` string and is
-checked at compile time in C++20. To pass a runtime format string wrap it in
-`fmt::runtime`.
-
-*args* is an argument list representing objects to be formatted.
-
-.. _format:
-
-.. doxygenfunction:: format(format_string<T...> fmt, T&&... args) -> std::string
-.. doxygenfunction:: vformat(string_view fmt, format_args args) -> std::string
-
-.. doxygenfunction:: format_to(OutputIt out, format_string<T...> fmt, T&&... args) -> OutputIt
-.. doxygenfunction:: format_to_n(OutputIt out, size_t n, format_string<T...> fmt, T&&... args) -> format_to_n_result<OutputIt>
-.. doxygenfunction:: formatted_size(format_string<T...> fmt, T&&... args) -> size_t
-
-.. doxygenstruct:: fmt::format_to_n_result
-   :members:
-
-.. _print:
-
-.. doxygenfunction:: fmt::print(format_string<T...> fmt, T&&... args)
-.. doxygenfunction:: fmt::vprint(string_view fmt, format_args args)
-
-.. doxygenfunction:: print(std::FILE *f, format_string<T...> fmt, T&&... args)
-.. doxygenfunction:: vprint(std::FILE *f, string_view fmt, format_args args)
-
-Compile-Time Format String Checks
----------------------------------
-
-Compile-time checks are enabled by default on compilers that support C++20
-``consteval``. On older compilers you can use the ``FMT_STRING`` macro defined
-in ``fmt/format.h`` instead. It requires C++14 and is a no-op in C++11.
-
-.. doxygendefine:: FMT_STRING
-
-To force the use of legacy compile-time checks, define the preprocessor variable
-``FMT_ENFORCE_COMPILE_STRING``. When set, functions accepting ``FMT_STRING``
-will fail to compile with regular strings. Runtime-checked formatting is still
-possible using ``fmt::vformat``, ``fmt::vprint``, etc.
-
-.. doxygenclass:: fmt::basic_format_string
-   :members:
-
-.. doxygentypedef:: fmt::format_string
-
-.. doxygenfunction:: fmt::runtime(string_view) -> basic_runtime<char>
-
-Named Arguments
----------------
-
-.. doxygenfunction:: fmt::arg(const S&, const T&)
-
-Named arguments are not supported in compile-time checks at the moment.
-
-Argument Lists
---------------
-
-You can create your own formatting function with compile-time checks and small
-binary footprint, for example (https://godbolt.org/z/oba4Mc):
-
-.. code:: c++
-
-    #include <fmt/format.h>
-
-    void vlog(const char* file, int line, fmt::string_view format,
-              fmt::format_args args) {
-      fmt::print("{}: {}: ", file, line);
-      fmt::vprint(format, args);
-    }
-
-    template <typename S, typename... Args>
-    void log(const char* file, int line, const S& format, Args&&... args) {
-      vlog(file, line, format, fmt::make_format_args(args...));
-    }
-
-    #define MY_LOG(format, ...) \
-      log(__FILE__, __LINE__, FMT_STRING(format), __VA_ARGS__)
-
-    MY_LOG("invalid squishiness: {}", 42);
-
-Note that ``vlog`` is not parameterized on argument types which improves compile
-times and reduces binary code size compared to a fully parameterized version.
-
-.. doxygenfunction:: fmt::make_format_args(const Args&...)
-
-.. doxygenclass:: fmt::format_arg_store
-   :members:
-
-.. doxygenclass:: fmt::dynamic_format_arg_store
-   :members:
-
-.. doxygenclass:: fmt::basic_format_args
-   :members:
-
-.. doxygentypedef:: fmt::format_args
-
-.. doxygenclass:: fmt::basic_format_arg
-   :members:
-
-.. doxygenclass:: fmt::basic_format_parse_context
-   :members:
-
-.. doxygenclass:: fmt::basic_format_context
-   :members:
-
-.. doxygentypedef:: fmt::format_context
-
-Compatibility
--------------
-
-.. doxygenclass:: fmt::basic_string_view
-   :members:
-
-.. doxygentypedef:: fmt::string_view
-
-Locale
-------
-
-All formatting is locale-independent by default. Use the ``'L'`` format
-specifier to insert the appropriate number separator characters from the
-locale::
-
-  #include <fmt/core.h>
-  #include <locale>
-
-  std::locale::global(std::locale("en_US.UTF-8"));
-  auto s = fmt::format("{:L}", 1000000);  // s == "1,000,000"
-
-.. _format-api:
-
-Format API
-==========
-
-``fmt/format.h`` defines the full format API providing additional formatting
-functions and locale support.
-
-.. _udt:
-
-Formatting User-Defined Types
------------------------------
-
-The {fmt} library provides formatters for many standard C++ types.
-See :ref:`fmt/ranges.h <ranges-api>` for ranges and tuples including standard
-containers such as ``std::vector``, :ref:`fmt/chrono.h <chrono-api>` for date
-and time formatting and :ref:`fmt/std.h <std-api>` for path and variant 
-formatting.
-
-To make a user-defined type formattable, specialize the ``formatter<T>`` struct
-template and implement ``parse`` and ``format`` methods::
-
-  #include <fmt/format.h>
-
-  struct point {
-    double x, y;
-  };
-
-  template <> struct fmt::formatter<point> {
-    // Presentation format: 'f' - fixed, 'e' - exponential.
-    char presentation = 'f';
-
-    // Parses format specifications of the form ['f' | 'e'].
-    constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-      // [ctx.begin(), ctx.end()) is a character range that contains a part of
-      // the format string starting from the format specifications to be parsed,
-      // e.g. in
-      //
-      //   fmt::format("{:f} - point of interest", point{1, 2});
-      //
-      // the range will contain "f} - point of interest". The formatter should
-      // parse specifiers until '}' or the end of the range. In this example
-      // the formatter should parse the 'f' specifier and return an iterator
-      // pointing to '}'.
-      
-      // Please also note that this character range may be empty, in case of
-      // the "{}" format string, so therefore you should check ctx.begin()
-      // for equality with ctx.end().
-
-      // Parse the presentation format and store it in the formatter:
-      auto it = ctx.begin(), end = ctx.end();
-      if (it != end && (*it == 'f' || *it == 'e')) presentation = *it++;
-
-      // Check if reached the end of the range:
-      if (it != end && *it != '}') throw format_error("invalid format");
-
-      // Return an iterator past the end of the parsed range:
-      return it;
-    }
-
-    // Formats the point p using the parsed format specification (presentation)
-    // stored in this formatter.
-    template <typename FormatContext>
-    auto format(const point& p, FormatContext& ctx) const -> decltype(ctx.out()) {
-      // ctx.out() is an output iterator to write to.
-      return presentation == 'f'
-                ? fmt::format_to(ctx.out(), "({:.1f}, {:.1f})", p.x, p.y)
-                : fmt::format_to(ctx.out(), "({:.1e}, {:.1e})", p.x, p.y);
-    }
-  };
-
-Then you can pass objects of type ``point`` to any formatting function::
-
-  point p = {1, 2};
-  std::string s = fmt::format("{:f}", p);
-  // s == "(1.0, 2.0)"
-
-You can also reuse existing formatters via inheritance or composition, for
-example::
-
-  enum class color {red, green, blue};
-
-  template <> struct fmt::formatter<color>: formatter<string_view> {
-    // parse is inherited from formatter<string_view>.
-    template <typename FormatContext>
-    auto format(color c, FormatContext& ctx) const {
-      string_view name = "unknown";
-      switch (c) {
-      case color::red:   name = "red"; break;
-      case color::green: name = "green"; break;
-      case color::blue:  name = "blue"; break;
-      }
-      return formatter<string_view>::format(name, ctx);
-    }
-  };
-
-Since ``parse`` is inherited from ``formatter<string_view>`` it will recognize
-all string format specifications, for example
-
-.. code-block:: c++
-
-   fmt::format("{:>10}", color::blue)
-
-will return ``"      blue"``.
-
-You can also write a formatter for a hierarchy of classes::
-
-  #include <type_traits>
-  #include <fmt/format.h>
-
-  struct A {
-    virtual ~A() {}
-    virtual std::string name() const { return "A"; }
-  };
-
-  struct B : A {
-    virtual std::string name() const { return "B"; }
-  };
-
-  template <typename T>
-  struct fmt::formatter<T, std::enable_if_t<std::is_base_of<A, T>::value, char>> :
-      fmt::formatter<std::string> {
-    template <typename FormatCtx>
-    auto format(const A& a, FormatCtx& ctx) const {
-      return fmt::formatter<std::string>::format(a.name(), ctx);
-    }
-  };
-
-  int main() {
-    B b;
-    A& a = b;
-    fmt::print("{}", a); // prints "B"
-  }
-
-If a type provides both a ``formatter`` specialization and an implicit
-conversion to a formattable type, the specialization takes precedence over the
-conversion.
-
-For enums {fmt} also provides the ``format_as`` extension API. To format an enum
-via this API define ``format_as`` that takes this enum and converts it to the
-underlying type. ``format_as`` should be defined in the same namespace as the
-enum.
-
-Example (https://godbolt.org/z/r7vvGE1v7)::
-
-  #include <fmt/format.h>
-
-  namespace kevin_namespacy {
-  enum class film {
-    house_of_cards, american_beauty, se7en = 7
-  };
-  auto format_as(film f) { return fmt::underlying(f); }
-  }
-
-  int main() {
-    fmt::print("{}\n", kevin_namespacy::film::se7en); // prints "7"
-  }
-
-Literal-Based API
------------------
-
-The following user-defined literals are defined in ``fmt/format.h``.
-
-.. doxygenfunction:: operator""_a()
-
-Utilities
----------
-
-.. doxygenfunction:: fmt::ptr(T p) -> const void*
-.. doxygenfunction:: fmt::ptr(const std::unique_ptr<T> &p) -> const void*
-.. doxygenfunction:: fmt::ptr(const std::shared_ptr<T> &p) -> const void*
-
-.. doxygenfunction:: fmt::underlying(Enum e) -> typename std::underlying_type<Enum>::type
-
-.. doxygenfunction:: fmt::to_string(const T &value) -> std::string
-
-.. doxygenfunction:: fmt::join(Range &&range, string_view sep) -> join_view<detail::iterator_t<Range>, detail::sentinel_t<Range>>
-
-.. doxygenfunction:: fmt::join(It begin, Sentinel end, string_view sep) -> join_view<It, Sentinel>
-
-.. doxygenfunction:: fmt::group_digits(T value) -> group_digits_view<T>
-
-.. doxygenclass:: fmt::detail::buffer
-   :members:
-
-.. doxygenclass:: fmt::basic_memory_buffer
-   :protected-members:
-   :members:
-
-System Errors
--------------
-
-{fmt} does not use ``errno`` to communicate errors to the user, but it may call
-system functions which set ``errno``. Users should not make any assumptions
-about the value of ``errno`` being preserved by library functions.
-
-.. doxygenfunction:: fmt::system_error
-
-.. doxygenfunction:: fmt::format_system_error
-
-Custom Allocators
------------------
-
-The {fmt} library supports custom dynamic memory allocators.
-A custom allocator class can be specified as a template argument to
-:class:`fmt::basic_memory_buffer`::
-
-    using custom_memory_buffer = 
-      fmt::basic_memory_buffer<char, fmt::inline_buffer_size, custom_allocator>;
-
-It is also possible to write a formatting function that uses a custom
-allocator::
-
-    using custom_string =
-      std::basic_string<char, std::char_traits<char>, custom_allocator>;
-
-    custom_string vformat(custom_allocator alloc, fmt::string_view format_str,
-                          fmt::format_args args) {
-      auto buf = custom_memory_buffer(alloc);
-      fmt::vformat_to(std::back_inserter(buf), format_str, args);
-      return custom_string(buf.data(), buf.size(), alloc);
-    }
-
-    template <typename ...Args>
-    inline custom_string format(custom_allocator alloc,
-                                fmt::string_view format_str,
-                                const Args& ... args) {
-      return vformat(alloc, format_str, fmt::make_format_args(args...));
-    }
-
-The allocator will be used for the output container only. Formatting functions
-normally don't do any allocations for built-in and string types except for
-non-default floating-point formatting that occasionally falls back on
-``sprintf``.
-
-.. _ranges-api:
-
-Range and Tuple Formatting
-==========================
-
-The library also supports convenient formatting of ranges and tuples::
-
-  #include <fmt/ranges.h>
-
-  std::tuple<char, int, float> t{'a', 1, 2.0f};
-  // Prints "('a', 1, 2.0)"
-  fmt::print("{}", t);
-
-
-NOTE: currently, the overload of ``fmt::join`` for iterables exists in the main
-``format.h`` header, but expect this to change in the future.
-
-Using ``fmt::join``, you can separate tuple elements with a custom separator::
-
-  #include <fmt/ranges.h>
-
-  std::tuple<int, char> t = {1, 'a'};
-  // Prints "1, a"
-  fmt::print("{}", fmt::join(t, ", "));
-
-.. _chrono-api:
-
-Date and Time Formatting
-========================
-
-``fmt/chrono.h`` provides formatters for
-
-* `std::chrono::duration <https://en.cppreference.com/w/cpp/chrono/duration>`_
-* `std::chrono::time_point
-  <https://en.cppreference.com/w/cpp/chrono/time_point>`_
-* `std::tm <https://en.cppreference.com/w/cpp/chrono/c/tm>`_
-
-The format syntax is described in :ref:`chrono-specs`.
-
-**Example**::
-
-  #include <fmt/chrono.h>
-
-  int main() {
-    std::time_t t = std::time(nullptr);
-
-    // Prints "The date is 2020-11-07." (with the current date):
-    fmt::print("The date is {:%Y-%m-%d}.", fmt::localtime(t));
-
-    using namespace std::literals::chrono_literals;
-
-    // Prints "Default format: 42s 100ms":
-    fmt::print("Default format: {} {}\n", 42s, 100ms);
-
-    // Prints "strftime-like format: 03:15:30":
-    fmt::print("strftime-like format: {:%H:%M:%S}\n", 3h + 15min + 30s);
-  }
-
-.. doxygenfunction:: localtime(std::time_t time)
-
-.. doxygenfunction:: gmtime(std::time_t time)
-
-.. _std-api:
-
-Standard Library Types Formatting
-=================================
-
-``fmt/std.h`` provides formatters for:
-
-* `std::filesystem::path <https://en.cppreference.com/w/cpp/filesystem/path>`_
-* `std::thread::id <https://en.cppreference.com/w/cpp/thread/thread/id>`_
-* `std::monostate <https://en.cppreference.com/w/cpp/utility/variant/monostate>`_
-* `std::variant <https://en.cppreference.com/w/cpp/utility/variant/variant>`_
-
-Formatting Variants
--------------------
-
-A ``std::variant`` is only formattable if every variant alternative is formattable, and requires the
-``__cpp_lib_variant`` `library feature <https://en.cppreference.com/w/cpp/feature_test>`_.
-  
-**Example**::
-
-  #include <fmt/std.h>
-
-  std::variant<char, float> v0{'x'};
-  // Prints "variant('x')"
-  fmt::print("{}", v0);
-
-  std::variant<std::monostate, char> v1;
-  // Prints "variant(monostate)"
-
-.. _compile-api:
-
-Format String Compilation
-=========================
-
-``fmt/compile.h`` provides format string compilation enabled via the
-``FMT_COMPILE`` macro or the ``_cf`` user-defined literal. Format strings
-marked with ``FMT_COMPILE`` or ``_cf`` are parsed, checked and converted into
-efficient formatting code at compile-time. This supports arguments of built-in
-and string types as well as user-defined types with ``constexpr`` ``parse``
-functions in their ``formatter`` specializations. Format string compilation can
-generate more binary code compared to the default API and is only recommended in
-places where formatting is a performance bottleneck.
-
-.. doxygendefine:: FMT_COMPILE
-
-.. doxygenfunction:: operator""_cf()
-
-.. _color-api:
-
-Terminal Color and Text Style
-=============================
-
-``fmt/color.h`` provides support for terminal color and text style output.
-
-.. doxygenfunction:: print(const text_style &ts, const S &format_str, const Args&... args)
-
-.. doxygenfunction:: fg(detail::color_type)
-
-.. doxygenfunction:: bg(detail::color_type)
-
-.. doxygenfunction:: styled(const T& value, text_style ts)
-
-.. _os-api:
-
-System APIs
-===========
-
-.. doxygenclass:: fmt::ostream
-   :members:
-
-.. doxygenfunction:: fmt::windows_error
-   :members:
-
-.. _ostream-api:
-
-``std::ostream`` Support
-========================
-
-``fmt/ostream.h`` provides ``std::ostream`` support including formatting of
-user-defined types that have an overloaded insertion operator (``operator<<``).
-In order to make a type formattable via ``std::ostream`` you should provide a
-``formatter`` specialization inherited from ``ostream_formatter``::
-
-  #include <fmt/ostream.h>
-
-  struct date {
-    int year, month, day;
-
-    friend std::ostream& operator<<(std::ostream& os, const date& d) {
-      return os << d.year << '-' << d.month << '-' << d.day;
-    }
-  };
-
-  template <> struct fmt::formatter<date> : ostream_formatter {};
-
-  std::string s = fmt::format("The date is {}", date{2012, 12, 9});
-  // s == "The date is 2012-12-9"
-
-.. doxygenfunction:: streamed(const T &)
-
-.. doxygenfunction:: print(std::ostream &os, format_string<T...> fmt, T&&... args)
-
-.. _printf-api:
-
-``printf`` Formatting
-=====================
-
-The header ``fmt/printf.h`` provides ``printf``-like formatting functionality.
-The following functions use `printf format string syntax
-<https://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html>`_ with
-the POSIX extension for positional arguments. Unlike their standard
-counterparts, the ``fmt`` functions are type-safe and throw an exception if an
-argument type doesn't match its format specification.
-
-.. doxygenfunction:: printf(const S &format_str, const T&... args)
-
-.. doxygenfunction:: fprintf(std::FILE *f, const S &fmt, const T&... args) -> int
-
-.. doxygenfunction:: sprintf(const S&, const T&...)
-
-.. _xchar-api:
-
-``wchar_t`` Support
-===================
-
-The optional header ``fmt/xchar.h`` provides support for ``wchar_t`` and exotic
-character types.
-
-.. doxygenstruct:: fmt::is_char
-
-.. doxygentypedef:: fmt::wstring_view
-
-.. doxygentypedef:: fmt::wformat_context
-
-.. doxygenfunction:: fmt::to_wstring(const T &value)
-
-Compatibility with C++20 ``std::format``
-========================================
-
-{fmt} implements nearly all of the `C++20 formatting library
-<https://en.cppreference.com/w/cpp/utility/format>`_ with the following
-differences:
-
-* Names are defined in the ``fmt`` namespace instead of ``std`` to avoid
-  collisions with standard library implementations.
-* Width calculation doesn't use grapheme clusterization. The latter has been
-  implemented in a separate branch but hasn't been integrated yet.
-* Most C++20 chrono types are not supported yet.
diff --git a/third_party/fmt-9.1.0/doc/basic-bootstrap/README b/third_party/fmt-9.1.0/doc/basic-bootstrap/README
deleted file mode 100644
index ba67700d..00000000
--- a/third_party/fmt-9.1.0/doc/basic-bootstrap/README
+++ /dev/null
@@ -1,2 +0,0 @@
-Sphinx basic theme with Bootstrap support. Modifications are kept to
-a minimum to simplify integration in case of changes to Sphinx theming.
diff --git a/third_party/fmt-9.1.0/doc/basic-bootstrap/layout.html b/third_party/fmt-9.1.0/doc/basic-bootstrap/layout.html
deleted file mode 100644
index 5519c4b5..00000000
--- a/third_party/fmt-9.1.0/doc/basic-bootstrap/layout.html
+++ /dev/null
@@ -1,208 +0,0 @@
-{#
-    basic/layout.html
-    ~~~~~~~~~~~~~~~~~
-
-    Master layout template for Sphinx themes.
-
-    :copyright: Copyright 2007-2015 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-#}
-{%- block doctype -%}
-<!DOCTYPE html>
-{%- endblock %}
-{%- set reldelim1 = reldelim1 is not defined and ' &raquo;' or reldelim1 %}
-{%- set reldelim2 = reldelim2 is not defined and ' |' or reldelim2 %}
-{%- set render_sidebar = (not embedded) and (not theme_nosidebar|tobool) and
-                         (sidebars != []) %}
-{%- set url_root = pathto('', 1) %}
-{# XXX necessary? #}
-{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
-{%- if not embedded and docstitle %}
-  {%- set titlesuffix = " &mdash; "|safe + docstitle|e %}
-{%- else %}
-  {%- set titlesuffix = "" %}
-{%- endif %}
-
-{%- macro relbar() %}
-    <div class="related" role="navigation" aria-label="related navigation">
-      <h3>{{ _('Navigation') }}</h3>
-      <ul>
-        {%- for rellink in rellinks %}
-        <li class="right" {% if loop.first %}style="margin-right: 10px"{% endif %}>
-          <a href="{{ pathto(rellink[0]) }}" title="{{ rellink[1]|striptags|e }}"
-             {{ accesskey(rellink[2]) }}>{{ rellink[3] }}</a>
-          {%- if not loop.first %}{{ reldelim2 }}{% endif %}</li>
-        {%- endfor %}
-        {%- block rootrellink %}
-        <li class="nav-item nav-item-0"><a href="{{ pathto(master_doc) }}">{{ shorttitle|e }}</a>{{ reldelim1 }}</li>
-        {%- endblock %}
-        {%- for parent in parents %}
-          <li class="nav-item nav-item-{{ loop.index }}"><a href="{{ parent.link|e }}" {% if loop.last %}{{ accesskey("U") }}{% endif %}>{{ parent.title }}</a>{{ reldelim1 }}</li>
-        {%- endfor %}
-        {%- block relbaritems %} {% endblock %}
-      </ul>
-    </div>
-{%- endmacro %}
-
-{%- macro sidebar() %}
-      {%- if render_sidebar %}
-      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
-        <div class="sphinxsidebarwrapper">
-          {%- block sidebarlogo %}
-          {%- if logo %}
-            <p class="logo"><a href="{{ pathto(master_doc) }}">
-              <img class="logo" src="{{ pathto('_static/' + logo, 1) }}" alt="Logo"/>
-            </a></p>
-          {%- endif %}
-          {%- endblock %}
-          {%- if sidebars != None %}
-            {#- new style sidebar: explicitly include/exclude templates #}
-            {%- for sidebartemplate in sidebars %}
-            {%- include sidebartemplate %}
-            {%- endfor %}
-          {%- else %}
-            {#- old style sidebars: using blocks -- should be deprecated #}
-            {%- block sidebartoc %}
-            {%- include "localtoc.html" %}
-            {%- endblock %}
-            {%- block sidebarrel %}
-            {%- include "relations.html" %}
-            {%- endblock %}
-            {%- block sidebarsourcelink %}
-            {%- include "sourcelink.html" %}
-            {%- endblock %}
-            {%- if customsidebar %}
-            {%- include customsidebar %}
-            {%- endif %}
-            {%- block sidebarsearch %}
-            {%- include "searchbox.html" %}
-            {%- endblock %}
-          {%- endif %}
-        </div>
-      </div>
-      {%- endif %}
-{%- endmacro %}
-
-{%- macro script() %}
-    <script type="text/javascript">
-      var DOCUMENTATION_OPTIONS = {
-        URL_ROOT:    '{{ url_root }}',
-        VERSION:     '{{ release|e }}',
-        COLLAPSE_INDEX: false,
-        FILE_SUFFIX: '{{ '' if no_search_suffix else file_suffix }}',
-        LINK_SUFFIX: '{{ link_suffix }}',
-        SOURCELINK_SUFFIX: '{{ sourcelink_suffix }}',
-        HAS_SOURCE:  {{ has_source|lower }},
-        SOURCELINK_SUFFIX:  '{{ sourcelink_suffix }}'
-      };
-    </script>
-    {%- for scriptfile in script_files %}
-    {{ js_tag(scriptfile) }}
-    {%- endfor %}
-{%- endmacro %}
-
-{%- macro css() %}
-    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
-    <link rel="stylesheet" href="{{ pathto('_static/pygments.css', 1) }}" type="text/css" />
-    {%- for cssfile in css_files %}
-    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
-    {%- endfor %}
-{%- endmacro %}
-
-<html lang="en">
-  <head>
-    <meta charset="{{ encoding }}">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    {# The above 3 meta tags *must* come first in the head; any other head content
-       must come *after* these tags. #}
-    {{ metatags }}
-    {%- block htmltitle %}
-    <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
-    {%- endblock %}
-    {{ css() }}
-    {%- if not embedded %}
-    {{ script() }}
-    {%- if use_opensearch %}
-    <link rel="search" type="application/opensearchdescription+xml"
-          title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}"
-          href="{{ pathto('_static/opensearch.xml', 1) }}"/>
-    {%- endif %}
-    {%- if favicon %}
-    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
-    {%- endif %}
-    {%- endif %}
-{%- block linktags %}
-    {%- if hasdoc('about') %}
-    <link rel="author" title="{{ _('About these documents') }}" href="{{ pathto('about') }}" />
-    {%- endif %}
-    {%- if hasdoc('genindex') %}
-    <link rel="index" title="{{ _('Index') }}" href="{{ pathto('genindex') }}" />
-    {%- endif %}
-    {%- if hasdoc('search') %}
-    <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}" />
-    {%- endif %}
-    {%- if hasdoc('copyright') %}
-    <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}" />
-    {%- endif %}
-    {%- if parents %}
-    <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}" />
-    {%- endif %}
-    {%- if next %}
-    <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}" />
-    {%- endif %}
-    {%- if prev %}
-    <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}" />
-    {%- endif %}
-{%- endblock %}
-{%- block extrahead %} {% endblock %}
-  </head>
-  <body role="document">
-{%- block header %}{% endblock %}
-
-{%- block relbar1 %}{{ relbar() }}{% endblock %}
-
-{%- block content %}
-  {%- block sidebar1 %} {# possible location for sidebar #} {% endblock %}
-
-    <div class="document">
-  {%- block document %}
-      <div class="documentwrapper">
-      {%- if render_sidebar %}
-        <div class="bodywrapper">
-      {%- endif %}
-          <div class="body" role="main">
-            {% block body %} {% endblock %}
-          </div>
-      {%- if render_sidebar %}
-        </div>
-      {%- endif %}
-      </div>
-  {%- endblock %}
-
-  {%- block sidebar2 %}{{ sidebar() }}{% endblock %}
-      <div class="clearer"></div>
-    </div>
-{%- endblock %}
-
-{%- block relbar2 %}{{ relbar() }}{% endblock %}
-
-{%- block footer %}
-    <div class="footer" role="contentinfo">
-    {%- if show_copyright %}
-      {%- if hasdoc('copyright') %}
-        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
-      {%- else %}
-        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
-      {%- endif %}
-    {%- endif %}
-    {%- if last_updated %}
-      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
-    {%- endif %}
-    {%- if show_sphinx %}
-      {% trans sphinx_version=sphinx_version|e %}Created using <a href="http://sphinx-doc.org/">Sphinx</a> {{ sphinx_version }}.{% endtrans %}
-    {%- endif %}
-    </div>
-{%- endblock %}
-  </body>
-</html>
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/alerts.less b/third_party/fmt-9.1.0/doc/bootstrap/alerts.less
deleted file mode 100644
index c4199db9..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/alerts.less
+++ /dev/null
@@ -1,73 +0,0 @@
-//
-// Alerts
-// --------------------------------------------------
-
-
-// Base styles
-// -------------------------
-
-.alert {
-  padding: @alert-padding;
-  margin-bottom: @line-height-computed;
-  border: 1px solid transparent;
-  border-radius: @alert-border-radius;
-
-  // Headings for larger alerts
-  h4 {
-    margin-top: 0;
-    // Specified for the h4 to prevent conflicts of changing @headings-color
-    color: inherit;
-  }
-
-  // Provide class for links that match alerts
-  .alert-link {
-    font-weight: @alert-link-font-weight;
-  }
-
-  // Improve alignment and spacing of inner content
-  > p,
-  > ul {
-    margin-bottom: 0;
-  }
-
-  > p + p {
-    margin-top: 5px;
-  }
-}
-
-// Dismissible alerts
-//
-// Expand the right padding and account for the close button's positioning.
-
-.alert-dismissable, // The misspelled .alert-dismissable was deprecated in 3.2.0.
-.alert-dismissible {
-  padding-right: (@alert-padding + 20);
-
-  // Adjust close link position
-  .close {
-    position: relative;
-    top: -2px;
-    right: -21px;
-    color: inherit;
-  }
-}
-
-// Alternate styles
-//
-// Generate contextual modifier classes for colorizing the alert.
-
-.alert-success {
-  .alert-variant(@alert-success-bg; @alert-success-border; @alert-success-text);
-}
-
-.alert-info {
-  .alert-variant(@alert-info-bg; @alert-info-border; @alert-info-text);
-}
-
-.alert-warning {
-  .alert-variant(@alert-warning-bg; @alert-warning-border; @alert-warning-text);
-}
-
-.alert-danger {
-  .alert-variant(@alert-danger-bg; @alert-danger-border; @alert-danger-text);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/badges.less b/third_party/fmt-9.1.0/doc/bootstrap/badges.less
deleted file mode 100644
index c70bb939..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/badges.less
+++ /dev/null
@@ -1,66 +0,0 @@
-//
-// Badges
-// --------------------------------------------------
-
-
-// Base class
-.badge {
-  display: inline-block;
-  min-width: 10px;
-  padding: 3px 7px;
-  font-size: @font-size-small;
-  font-weight: @badge-font-weight;
-  color: @badge-color;
-  line-height: @badge-line-height;
-  vertical-align: baseline;
-  white-space: nowrap;
-  text-align: center;
-  background-color: @badge-bg;
-  border-radius: @badge-border-radius;
-
-  // Empty badges collapse automatically (not available in IE8)
-  &:empty {
-    display: none;
-  }
-
-  // Quick fix for badges in buttons
-  .btn & {
-    position: relative;
-    top: -1px;
-  }
-
-  .btn-xs &,
-  .btn-group-xs > .btn & {
-    top: 0;
-    padding: 1px 5px;
-  }
-
-  // Hover state, but only for links
-  a& {
-    &:hover,
-    &:focus {
-      color: @badge-link-hover-color;
-      text-decoration: none;
-      cursor: pointer;
-    }
-  }
-
-  // Account for badges in navs
-  .list-group-item.active > &,
-  .nav-pills > .active > a > & {
-    color: @badge-active-color;
-    background-color: @badge-active-bg;
-  }
-
-  .list-group-item > & {
-    float: right;
-  }
-
-  .list-group-item > & + & {
-    margin-right: 5px;
-  }
-
-  .nav-pills > li > a > & {
-    margin-left: 3px;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/bootstrap.less b/third_party/fmt-9.1.0/doc/bootstrap/bootstrap.less
deleted file mode 100644
index 61b77474..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/bootstrap.less
+++ /dev/null
@@ -1,50 +0,0 @@
-// Core variables and mixins
-@import "variables.less";
-@import "mixins.less";
-
-// Reset and dependencies
-@import "normalize.less";
-@import "print.less";
-@import "glyphicons.less";
-
-// Core CSS
-@import "scaffolding.less";
-@import "type.less";
-@import "code.less";
-@import "grid.less";
-@import "tables.less";
-@import "forms.less";
-@import "buttons.less";
-
-// Components
-@import "component-animations.less";
-@import "dropdowns.less";
-@import "button-groups.less";
-@import "input-groups.less";
-@import "navs.less";
-@import "navbar.less";
-@import "breadcrumbs.less";
-@import "pagination.less";
-@import "pager.less";
-@import "labels.less";
-@import "badges.less";
-@import "jumbotron.less";
-@import "thumbnails.less";
-@import "alerts.less";
-@import "progress-bars.less";
-@import "media.less";
-@import "list-group.less";
-@import "panels.less";
-@import "responsive-embed.less";
-@import "wells.less";
-@import "close.less";
-
-// Components w/ JavaScript
-@import "modals.less";
-@import "tooltip.less";
-@import "popovers.less";
-@import "carousel.less";
-
-// Utility classes
-@import "utilities.less";
-@import "responsive-utilities.less";
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/breadcrumbs.less b/third_party/fmt-9.1.0/doc/bootstrap/breadcrumbs.less
deleted file mode 100644
index cb01d503..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/breadcrumbs.less
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// Breadcrumbs
-// --------------------------------------------------
-
-
-.breadcrumb {
-  padding: @breadcrumb-padding-vertical @breadcrumb-padding-horizontal;
-  margin-bottom: @line-height-computed;
-  list-style: none;
-  background-color: @breadcrumb-bg;
-  border-radius: @border-radius-base;
-
-  > li {
-    display: inline-block;
-
-    + li:before {
-      content: "@{breadcrumb-separator}\00a0"; // Unicode space added since inline-block means non-collapsing white-space
-      padding: 0 5px;
-      color: @breadcrumb-color;
-    }
-  }
-
-  > .active {
-    color: @breadcrumb-active-color;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/button-groups.less b/third_party/fmt-9.1.0/doc/bootstrap/button-groups.less
deleted file mode 100644
index 13c1800d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/button-groups.less
+++ /dev/null
@@ -1,243 +0,0 @@
-//
-// Button groups
-// --------------------------------------------------
-
-// Make the div behave like a button
-.btn-group,
-.btn-group-vertical {
-  position: relative;
-  display: inline-block;
-  vertical-align: middle; // match .btn alignment given font-size hack above
-  > .btn {
-    position: relative;
-    float: left;
-    // Bring the "active" button to the front
-    &:hover,
-    &:focus,
-    &:active,
-    &.active {
-      z-index: 2;
-    }
-  }
-}
-
-// Prevent double borders when buttons are next to each other
-.btn-group {
-  .btn + .btn,
-  .btn + .btn-group,
-  .btn-group + .btn,
-  .btn-group + .btn-group {
-    margin-left: -1px;
-  }
-}
-
-// Optional: Group multiple button groups together for a toolbar
-.btn-toolbar {
-  margin-left: -5px; // Offset the first child's margin
-  &:extend(.clearfix all);
-
-  .btn-group,
-  .input-group {
-    float: left;
-  }
-  > .btn,
-  > .btn-group,
-  > .input-group {
-    margin-left: 5px;
-  }
-}
-
-.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
-  border-radius: 0;
-}
-
-// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
-.btn-group > .btn:first-child {
-  margin-left: 0;
-  &:not(:last-child):not(.dropdown-toggle) {
-    .border-right-radius(0);
-  }
-}
-// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
-.btn-group > .btn:last-child:not(:first-child),
-.btn-group > .dropdown-toggle:not(:first-child) {
-  .border-left-radius(0);
-}
-
-// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
-.btn-group > .btn-group {
-  float: left;
-}
-.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
-    .border-right-radius(0);
-  }
-}
-.btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  .border-left-radius(0);
-}
-
-// On active and open, don't show outline
-.btn-group .dropdown-toggle:active,
-.btn-group.open .dropdown-toggle {
-  outline: 0;
-}
-
-
-// Sizing
-//
-// Remix the default button sizing classes into new ones for easier manipulation.
-
-.btn-group-xs > .btn { &:extend(.btn-xs); }
-.btn-group-sm > .btn { &:extend(.btn-sm); }
-.btn-group-lg > .btn { &:extend(.btn-lg); }
-
-
-// Split button dropdowns
-// ----------------------
-
-// Give the line between buttons some depth
-.btn-group > .btn + .dropdown-toggle {
-  padding-left: 8px;
-  padding-right: 8px;
-}
-.btn-group > .btn-lg + .dropdown-toggle {
-  padding-left: 12px;
-  padding-right: 12px;
-}
-
-// The clickable button for toggling the menu
-// Remove the gradient and set the same inset shadow as the :active state
-.btn-group.open .dropdown-toggle {
-  .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
-
-  // Show no shadow for `.btn-link` since it has no other button styles.
-  &.btn-link {
-    .box-shadow(none);
-  }
-}
-
-
-// Reposition the caret
-.btn .caret {
-  margin-left: 0;
-}
-// Carets in other button sizes
-.btn-lg .caret {
-  border-width: @caret-width-large @caret-width-large 0;
-  border-bottom-width: 0;
-}
-// Upside down carets for .dropup
-.dropup .btn-lg .caret {
-  border-width: 0 @caret-width-large @caret-width-large;
-}
-
-
-// Vertical button groups
-// ----------------------
-
-.btn-group-vertical {
-  > .btn,
-  > .btn-group,
-  > .btn-group > .btn {
-    display: block;
-    float: none;
-    width: 100%;
-    max-width: 100%;
-  }
-
-  // Clear floats so dropdown menus can be properly placed
-  > .btn-group {
-    &:extend(.clearfix all);
-    > .btn {
-      float: none;
-    }
-  }
-
-  > .btn + .btn,
-  > .btn + .btn-group,
-  > .btn-group + .btn,
-  > .btn-group + .btn-group {
-    margin-top: -1px;
-    margin-left: 0;
-  }
-}
-
-.btn-group-vertical > .btn {
-  &:not(:first-child):not(:last-child) {
-    border-radius: 0;
-  }
-  &:first-child:not(:last-child) {
-    border-top-right-radius: @border-radius-base;
-    .border-bottom-radius(0);
-  }
-  &:last-child:not(:first-child) {
-    border-bottom-left-radius: @border-radius-base;
-    .border-top-radius(0);
-  }
-}
-.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group-vertical > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
-    .border-bottom-radius(0);
-  }
-}
-.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  .border-top-radius(0);
-}
-
-
-// Justified button groups
-// ----------------------
-
-.btn-group-justified {
-  display: table;
-  width: 100%;
-  table-layout: fixed;
-  border-collapse: separate;
-  > .btn,
-  > .btn-group {
-    float: none;
-    display: table-cell;
-    width: 1%;
-  }
-  > .btn-group .btn {
-    width: 100%;
-  }
-
-  > .btn-group .dropdown-menu {
-    left: auto;
-  }
-}
-
-
-// Checkbox and radio options
-//
-// In order to support the browser's form validation feedback, powered by the
-// `required` attribute, we have to "hide" the inputs via `clip`. We cannot use
-// `display: none;` or `visibility: hidden;` as that also hides the popover.
-// Simply visually hiding the inputs via `opacity` would leave them clickable in
-// certain cases which is prevented by using `clip` and `pointer-events`.
-// This way, we ensure a DOM element is visible to position the popover from.
-//
-// See https://github.com/twbs/bootstrap/pull/12794 and
-// https://github.com/twbs/bootstrap/pull/14559 for more information.
-
-[data-toggle="buttons"] {
-  > .btn,
-  > .btn-group > .btn {
-    input[type="radio"],
-    input[type="checkbox"] {
-      position: absolute;
-      clip: rect(0,0,0,0);
-      pointer-events: none;
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/buttons.less b/third_party/fmt-9.1.0/doc/bootstrap/buttons.less
deleted file mode 100644
index 5a746049..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/buttons.less
+++ /dev/null
@@ -1,160 +0,0 @@
-//
-// Buttons
-// --------------------------------------------------
-
-
-// Base styles
-// --------------------------------------------------
-
-.btn {
-  display: inline-block;
-  margin-bottom: 0; // For input.btn
-  font-weight: @btn-font-weight;
-  text-align: center;
-  vertical-align: middle;
-  touch-action: manipulation;
-  cursor: pointer;
-  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
-  border: 1px solid transparent;
-  white-space: nowrap;
-  .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);
-  .user-select(none);
-
-  &,
-  &:active,
-  &.active {
-    &:focus,
-    &.focus {
-      .tab-focus();
-    }
-  }
-
-  &:hover,
-  &:focus,
-  &.focus {
-    color: @btn-default-color;
-    text-decoration: none;
-  }
-
-  &:active,
-  &.active {
-    outline: 0;
-    background-image: none;
-    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
-  }
-
-  &.disabled,
-  &[disabled],
-  fieldset[disabled] & {
-    cursor: @cursor-disabled;
-    pointer-events: none; // Future-proof disabling of clicks
-    .opacity(.65);
-    .box-shadow(none);
-  }
-}
-
-
-// Alternate buttons
-// --------------------------------------------------
-
-.btn-default {
-  .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
-}
-.btn-primary {
-  .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
-}
-// Success appears as green
-.btn-success {
-  .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
-}
-// Info appears as blue-green
-.btn-info {
-  .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
-}
-// Warning appears as orange
-.btn-warning {
-  .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
-}
-// Danger and error appear as red
-.btn-danger {
-  .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
-}
-
-
-// Link buttons
-// -------------------------
-
-// Make a button look and behave like a link
-.btn-link {
-  color: @link-color;
-  font-weight: normal;
-  border-radius: 0;
-
-  &,
-  &:active,
-  &.active,
-  &[disabled],
-  fieldset[disabled] & {
-    background-color: transparent;
-    .box-shadow(none);
-  }
-  &,
-  &:hover,
-  &:focus,
-  &:active {
-    border-color: transparent;
-  }
-  &:hover,
-  &:focus {
-    color: @link-hover-color;
-    text-decoration: @link-hover-decoration;
-    background-color: transparent;
-  }
-  &[disabled],
-  fieldset[disabled] & {
-    &:hover,
-    &:focus {
-      color: @btn-link-disabled-color;
-      text-decoration: none;
-    }
-  }
-}
-
-
-// Button Sizes
-// --------------------------------------------------
-
-.btn-lg {
-  // line-height: ensure even-numbered height of button next to large input
-  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
-}
-.btn-sm {
-  // line-height: ensure proper height of button next to small input
-  .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
-}
-.btn-xs {
-  .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);
-}
-
-
-// Block button
-// --------------------------------------------------
-
-.btn-block {
-  display: block;
-  width: 100%;
-}
-
-// Vertically space out multiple block buttons
-.btn-block + .btn-block {
-  margin-top: 5px;
-}
-
-// Specificity overrides
-input[type="submit"],
-input[type="reset"],
-input[type="button"] {
-  &.btn-block {
-    width: 100%;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/carousel.less b/third_party/fmt-9.1.0/doc/bootstrap/carousel.less
deleted file mode 100644
index 4bbe946d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/carousel.less
+++ /dev/null
@@ -1,269 +0,0 @@
-//
-// Carousel
-// --------------------------------------------------
-
-
-// Wrapper for the slide container and indicators
-.carousel {
-  position: relative;
-}
-
-.carousel-inner {
-  position: relative;
-  overflow: hidden;
-  width: 100%;
-
-  > .item {
-    display: none;
-    position: relative;
-    .transition(.6s ease-in-out left);
-
-    // Account for jankitude on images
-    > img,
-    > a > img {
-      &:extend(.img-responsive);
-      line-height: 1;
-    }
-
-    // WebKit CSS3 transforms for supported devices
-    @media all and (transform-3d), (-webkit-transform-3d) {
-      .transition-transform(~'0.6s ease-in-out');
-      .backface-visibility(~'hidden');
-      .perspective(1000);
-
-      &.next,
-      &.active.right {
-        .translate3d(100%, 0, 0);
-        left: 0;
-      }
-      &.prev,
-      &.active.left {
-        .translate3d(-100%, 0, 0);
-        left: 0;
-      }
-      &.next.left,
-      &.prev.right,
-      &.active {
-        .translate3d(0, 0, 0);
-        left: 0;
-      }
-    }
-  }
-
-  > .active,
-  > .next,
-  > .prev {
-    display: block;
-  }
-
-  > .active {
-    left: 0;
-  }
-
-  > .next,
-  > .prev {
-    position: absolute;
-    top: 0;
-    width: 100%;
-  }
-
-  > .next {
-    left: 100%;
-  }
-  > .prev {
-    left: -100%;
-  }
-  > .next.left,
-  > .prev.right {
-    left: 0;
-  }
-
-  > .active.left {
-    left: -100%;
-  }
-  > .active.right {
-    left: 100%;
-  }
-
-}
-
-// Left/right controls for nav
-// ---------------------------
-
-.carousel-control {
-  position: absolute;
-  top: 0;
-  left: 0;
-  bottom: 0;
-  width: @carousel-control-width;
-  .opacity(@carousel-control-opacity);
-  font-size: @carousel-control-font-size;
-  color: @carousel-control-color;
-  text-align: center;
-  text-shadow: @carousel-text-shadow;
-  // We can't have this transition here because WebKit cancels the carousel
-  // animation if you trip this while in the middle of another animation.
-
-  // Set gradients for backgrounds
-  &.left {
-    #gradient > .horizontal(@start-color: rgba(0,0,0,.5); @end-color: rgba(0,0,0,.0001));
-  }
-  &.right {
-    left: auto;
-    right: 0;
-    #gradient > .horizontal(@start-color: rgba(0,0,0,.0001); @end-color: rgba(0,0,0,.5));
-  }
-
-  // Hover/focus state
-  &:hover,
-  &:focus {
-    outline: 0;
-    color: @carousel-control-color;
-    text-decoration: none;
-    .opacity(.9);
-  }
-
-  // Toggles
-  .icon-prev,
-  .icon-next,
-  .glyphicon-chevron-left,
-  .glyphicon-chevron-right {
-    position: absolute;
-    top: 50%;
-    z-index: 5;
-    display: inline-block;
-  }
-  .icon-prev,
-  .glyphicon-chevron-left {
-    left: 50%;
-    margin-left: -10px;
-  }
-  .icon-next,
-  .glyphicon-chevron-right {
-    right: 50%;
-    margin-right: -10px;
-  }
-  .icon-prev,
-  .icon-next {
-    width:  20px;
-    height: 20px;
-    margin-top: -10px;
-    line-height: 1;
-    font-family: serif;
-  }
-
-
-  .icon-prev {
-    &:before {
-      content: '\2039';// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)
-    }
-  }
-  .icon-next {
-    &:before {
-      content: '\203a';// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)
-    }
-  }
-}
-
-// Optional indicator pips
-//
-// Add an unordered list with the following class and add a list item for each
-// slide your carousel holds.
-
-.carousel-indicators {
-  position: absolute;
-  bottom: 10px;
-  left: 50%;
-  z-index: 15;
-  width: 60%;
-  margin-left: -30%;
-  padding-left: 0;
-  list-style: none;
-  text-align: center;
-
-  li {
-    display: inline-block;
-    width:  10px;
-    height: 10px;
-    margin: 1px;
-    text-indent: -999px;
-    border: 1px solid @carousel-indicator-border-color;
-    border-radius: 10px;
-    cursor: pointer;
-
-    // IE8-9 hack for event handling
-    //
-    // Internet Explorer 8-9 does not support clicks on elements without a set
-    // `background-color`. We cannot use `filter` since that's not viewed as a
-    // background color by the browser. Thus, a hack is needed.
-    // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Internet_Explorer
-    //
-    // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
-    // set alpha transparency for the best results possible.
-    background-color: #000 \9; // IE8
-    background-color: rgba(0,0,0,0); // IE9
-  }
-  .active {
-    margin: 0;
-    width:  12px;
-    height: 12px;
-    background-color: @carousel-indicator-active-bg;
-  }
-}
-
-// Optional captions
-// -----------------------------
-// Hidden by default for smaller viewports
-.carousel-caption {
-  position: absolute;
-  left: 15%;
-  right: 15%;
-  bottom: 20px;
-  z-index: 10;
-  padding-top: 20px;
-  padding-bottom: 20px;
-  color: @carousel-caption-color;
-  text-align: center;
-  text-shadow: @carousel-text-shadow;
-  & .btn {
-    text-shadow: none; // No shadow for button elements in carousel-caption
-  }
-}
-
-
-// Scale up controls for tablets and up
-@media screen and (min-width: @screen-sm-min) {
-
-  // Scale up the controls a smidge
-  .carousel-control {
-    .glyphicon-chevron-left,
-    .glyphicon-chevron-right,
-    .icon-prev,
-    .icon-next {
-      width: 30px;
-      height: 30px;
-      margin-top: -15px;
-      font-size: 30px;
-    }
-    .glyphicon-chevron-left,
-    .icon-prev {
-      margin-left: -15px;
-    }
-    .glyphicon-chevron-right,
-    .icon-next {
-      margin-right: -15px;
-    }
-  }
-
-  // Show and left align the captions
-  .carousel-caption {
-    left: 20%;
-    right: 20%;
-    padding-bottom: 30px;
-  }
-
-  // Move up the indicators
-  .carousel-indicators {
-    bottom: 20px;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/close.less b/third_party/fmt-9.1.0/doc/bootstrap/close.less
deleted file mode 100644
index 6d5bfe08..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/close.less
+++ /dev/null
@@ -1,34 +0,0 @@
-//
-// Close icons
-// --------------------------------------------------
-
-
-.close {
-  float: right;
-  font-size: (@font-size-base * 1.5);
-  font-weight: @close-font-weight;
-  line-height: 1;
-  color: @close-color;
-  text-shadow: @close-text-shadow;
-  .opacity(.2);
-
-  &:hover,
-  &:focus {
-    color: @close-color;
-    text-decoration: none;
-    cursor: pointer;
-    .opacity(.5);
-  }
-
-  // Additional properties for button version
-  // iOS requires the button element instead of an anchor tag.
-  // If you want the anchor version, it requires `href="#"`.
-  // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
-  button& {
-    padding: 0;
-    cursor: pointer;
-    background: transparent;
-    border: 0;
-    -webkit-appearance: none;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/code.less b/third_party/fmt-9.1.0/doc/bootstrap/code.less
deleted file mode 100644
index a08b4d48..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/code.less
+++ /dev/null
@@ -1,69 +0,0 @@
-//
-// Code (inline and block)
-// --------------------------------------------------
-
-
-// Inline and block code styles
-code,
-kbd,
-pre,
-samp {
-  font-family: @font-family-monospace;
-}
-
-// Inline code
-code {
-  padding: 2px 4px;
-  font-size: 90%;
-  color: @code-color;
-  background-color: @code-bg;
-  border-radius: @border-radius-base;
-}
-
-// User input typically entered via keyboard
-kbd {
-  padding: 2px 4px;
-  font-size: 90%;
-  color: @kbd-color;
-  background-color: @kbd-bg;
-  border-radius: @border-radius-small;
-  box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);
-
-  kbd {
-    padding: 0;
-    font-size: 100%;
-    font-weight: bold;
-    box-shadow: none;
-  }
-}
-
-// Blocks of code
-pre {
-  display: block;
-  padding: ((@line-height-computed - 1) / 2);
-  margin: 0 0 (@line-height-computed / 2);
-  font-size: (@font-size-base - 1); // 14px to 13px
-  line-height: @line-height-base;
-  word-break: break-all;
-  word-wrap: break-word;
-  color: @pre-color;
-  background-color: @pre-bg;
-  border: 1px solid @pre-border-color;
-  border-radius: @border-radius-base;
-
-  // Account for some code outputs that place code tags in pre tags
-  code {
-    padding: 0;
-    font-size: inherit;
-    color: inherit;
-    white-space: pre-wrap;
-    background-color: transparent;
-    border-radius: 0;
-  }
-}
-
-// Enable scrollable blocks of code
-.pre-scrollable {
-  max-height: @pre-scrollable-max-height;
-  overflow-y: scroll;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/component-animations.less b/third_party/fmt-9.1.0/doc/bootstrap/component-animations.less
deleted file mode 100644
index 0bcee910..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/component-animations.less
+++ /dev/null
@@ -1,33 +0,0 @@
-//
-// Component animations
-// --------------------------------------------------
-
-// Heads up!
-//
-// We don't use the `.opacity()` mixin here since it causes a bug with text
-// fields in IE7-8. Source: https://github.com/twbs/bootstrap/pull/3552.
-
-.fade {
-  opacity: 0;
-  .transition(opacity .15s linear);
-  &.in {
-    opacity: 1;
-  }
-}
-
-.collapse {
-  display: none;
-
-  &.in      { display: block; }
-  tr&.in    { display: table-row; }
-  tbody&.in { display: table-row-group; }
-}
-
-.collapsing {
-  position: relative;
-  height: 0;
-  overflow: hidden;
-  .transition-property(~"height, visibility");
-  .transition-duration(.35s);
-  .transition-timing-function(ease);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/dropdowns.less b/third_party/fmt-9.1.0/doc/bootstrap/dropdowns.less
deleted file mode 100644
index af344607..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/dropdowns.less
+++ /dev/null
@@ -1,214 +0,0 @@
-//
-// Dropdown menus
-// --------------------------------------------------
-
-
-// Dropdown arrow/caret
-.caret {
-  display: inline-block;
-  width: 0;
-  height: 0;
-  margin-left: 2px;
-  vertical-align: middle;
-  border-top:   @caret-width-base dashed;
-  border-right: @caret-width-base solid transparent;
-  border-left:  @caret-width-base solid transparent;
-}
-
-// The dropdown wrapper (div)
-.dropup,
-.dropdown {
-  position: relative;
-}
-
-// Prevent the focus on the dropdown toggle when closing dropdowns
-.dropdown-toggle:focus {
-  outline: 0;
-}
-
-// The dropdown menu (ul)
-.dropdown-menu {
-  position: absolute;
-  top: 100%;
-  left: 0;
-  z-index: @zindex-dropdown;
-  display: none; // none by default, but block on "open" of the menu
-  float: left;
-  min-width: 160px;
-  padding: 5px 0;
-  margin: 2px 0 0; // override default ul
-  list-style: none;
-  font-size: @font-size-base;
-  text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
-  background-color: @dropdown-bg;
-  border: 1px solid @dropdown-fallback-border; // IE8 fallback
-  border: 1px solid @dropdown-border;
-  border-radius: @border-radius-base;
-  .box-shadow(0 6px 12px rgba(0,0,0,.175));
-  background-clip: padding-box;
-
-  // Aligns the dropdown menu to right
-  //
-  // Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
-  &.pull-right {
-    right: 0;
-    left: auto;
-  }
-
-  // Dividers (basically an hr) within the dropdown
-  .divider {
-    .nav-divider(@dropdown-divider-bg);
-  }
-
-  // Links within the dropdown menu
-  > li > a {
-    display: block;
-    padding: 3px 20px;
-    clear: both;
-    font-weight: normal;
-    line-height: @line-height-base;
-    color: @dropdown-link-color;
-    white-space: nowrap; // prevent links from randomly breaking onto new lines
-  }
-}
-
-// Hover/Focus state
-.dropdown-menu > li > a {
-  &:hover,
-  &:focus {
-    text-decoration: none;
-    color: @dropdown-link-hover-color;
-    background-color: @dropdown-link-hover-bg;
-  }
-}
-
-// Active state
-.dropdown-menu > .active > a {
-  &,
-  &:hover,
-  &:focus {
-    color: @dropdown-link-active-color;
-    text-decoration: none;
-    outline: 0;
-    background-color: @dropdown-link-active-bg;
-  }
-}
-
-// Disabled state
-//
-// Gray out text and ensure the hover/focus state remains gray
-
-.dropdown-menu > .disabled > a {
-  &,
-  &:hover,
-  &:focus {
-    color: @dropdown-link-disabled-color;
-  }
-
-  // Nuke hover/focus effects
-  &:hover,
-  &:focus {
-    text-decoration: none;
-    background-color: transparent;
-    background-image: none; // Remove CSS gradient
-    .reset-filter();
-    cursor: @cursor-disabled;
-  }
-}
-
-// Open state for the dropdown
-.open {
-  // Show the menu
-  > .dropdown-menu {
-    display: block;
-  }
-
-  // Remove the outline when :focus is triggered
-  > a {
-    outline: 0;
-  }
-}
-
-// Menu positioning
-//
-// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
-// menu with the parent.
-.dropdown-menu-right {
-  left: auto; // Reset the default from `.dropdown-menu`
-  right: 0;
-}
-// With v3, we enabled auto-flipping if you have a dropdown within a right
-// aligned nav component. To enable the undoing of that, we provide an override
-// to restore the default dropdown menu alignment.
-//
-// This is only for left-aligning a dropdown menu within a `.navbar-right` or
-// `.pull-right` nav component.
-.dropdown-menu-left {
-  left: 0;
-  right: auto;
-}
-
-// Dropdown section headers
-.dropdown-header {
-  display: block;
-  padding: 3px 20px;
-  font-size: @font-size-small;
-  line-height: @line-height-base;
-  color: @dropdown-header-color;
-  white-space: nowrap; // as with > li > a
-}
-
-// Backdrop to catch body clicks on mobile, etc.
-.dropdown-backdrop {
-  position: fixed;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  top: 0;
-  z-index: (@zindex-dropdown - 10);
-}
-
-// Right aligned dropdowns
-.pull-right > .dropdown-menu {
-  right: 0;
-  left: auto;
-}
-
-// Allow for dropdowns to go bottom up (aka, dropup-menu)
-//
-// Just add .dropup after the standard .dropdown class and you're set, bro.
-// TODO: abstract this so that the navbar fixed styles are not placed here?
-
-.dropup,
-.navbar-fixed-bottom .dropdown {
-  // Reverse the caret
-  .caret {
-    border-top: 0;
-    border-bottom: @caret-width-base solid;
-    content: "";
-  }
-  // Different positioning for bottom up menu
-  .dropdown-menu {
-    top: auto;
-    bottom: 100%;
-    margin-bottom: 2px;
-  }
-}
-
-
-// Component alignment
-//
-// Reiterate per navbar.less and the modified component alignment there.
-
-@media (min-width: @grid-float-breakpoint) {
-  .navbar-right {
-    .dropdown-menu {
-      .dropdown-menu-right();
-    }
-    // Necessary for overrides of the default right aligned menu.
-    // Will remove come v4 in all likelihood.
-    .dropdown-menu-left {
-      .dropdown-menu-left();
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/forms.less b/third_party/fmt-9.1.0/doc/bootstrap/forms.less
deleted file mode 100644
index e4b50629..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/forms.less
+++ /dev/null
@@ -1,574 +0,0 @@
-//
-// Forms
-// --------------------------------------------------
-
-
-// Normalize non-controls
-//
-// Restyle and baseline non-control form elements.
-
-fieldset {
-  padding: 0;
-  margin: 0;
-  border: 0;
-  // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
-  // so we reset that to ensure it behaves more like a standard block element.
-  // See https://github.com/twbs/bootstrap/issues/12359.
-  min-width: 0;
-}
-
-legend {
-  display: block;
-  width: 100%;
-  padding: 0;
-  margin-bottom: @line-height-computed;
-  font-size: (@font-size-base * 1.5);
-  line-height: inherit;
-  color: @legend-color;
-  border: 0;
-  border-bottom: 1px solid @legend-border-color;
-}
-
-label {
-  display: inline-block;
-  max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
-  margin-bottom: 5px;
-  font-weight: bold;
-}
-
-
-// Normalize form controls
-//
-// While most of our form styles require extra classes, some basic normalization
-// is required to ensure optimum display with or without those classes to better
-// address browser inconsistencies.
-
-// Override content-box in Normalize (* isn't specific enough)
-input[type="search"] {
-  .box-sizing(border-box);
-}
-
-// Position radios and checkboxes better
-input[type="radio"],
-input[type="checkbox"] {
-  margin: 4px 0 0;
-  margin-top: 1px \9; // IE8-9
-  line-height: normal;
-}
-
-// Set the height of file controls to match text inputs
-input[type="file"] {
-  display: block;
-}
-
-// Make range inputs behave like textual form controls
-input[type="range"] {
-  display: block;
-  width: 100%;
-}
-
-// Make multiple select elements height not fixed
-select[multiple],
-select[size] {
-  height: auto;
-}
-
-// Focus for file, radio, and checkbox
-input[type="file"]:focus,
-input[type="radio"]:focus,
-input[type="checkbox"]:focus {
-  .tab-focus();
-}
-
-// Adjust output element
-output {
-  display: block;
-  padding-top: (@padding-base-vertical + 1);
-  font-size: @font-size-base;
-  line-height: @line-height-base;
-  color: @input-color;
-}
-
-
-// Common form controls
-//
-// Shared size and type resets for form controls. Apply `.form-control` to any
-// of the following form controls:
-//
-// select
-// textarea
-// input[type="text"]
-// input[type="password"]
-// input[type="datetime"]
-// input[type="datetime-local"]
-// input[type="date"]
-// input[type="month"]
-// input[type="time"]
-// input[type="week"]
-// input[type="number"]
-// input[type="email"]
-// input[type="url"]
-// input[type="search"]
-// input[type="tel"]
-// input[type="color"]
-
-.form-control {
-  display: block;
-  width: 100%;
-  height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
-  padding: @padding-base-vertical @padding-base-horizontal;
-  font-size: @font-size-base;
-  line-height: @line-height-base;
-  color: @input-color;
-  background-color: @input-bg;
-  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
-  border: 1px solid @input-border;
-  border-radius: @input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
-  .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
-  .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");
-
-  // Customize the `:focus` state to imitate native WebKit styles.
-  .form-control-focus();
-
-  // Placeholder
-  .placeholder();
-
-  // Disabled and read-only inputs
-  //
-  // HTML5 says that controls under a fieldset > legend:first-child won't be
-  // disabled if the fieldset is disabled. Due to implementation difficulty, we
-  // don't honor that edge case; we style them as disabled anyway.
-  &[disabled],
-  &[readonly],
-  fieldset[disabled] & {
-    background-color: @input-bg-disabled;
-    opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
-  }
-
-  &[disabled],
-  fieldset[disabled] & {
-    cursor: @cursor-disabled;
-  }
-
-  // Reset height for `textarea`s
-  textarea& {
-    height: auto;
-  }
-}
-
-
-// Search inputs in iOS
-//
-// This overrides the extra rounded corners on search inputs in iOS so that our
-// `.form-control` class can properly style them. Note that this cannot simply
-// be added to `.form-control` as it's not specific enough. For details, see
-// https://github.com/twbs/bootstrap/issues/11586.
-
-input[type="search"] {
-  -webkit-appearance: none;
-}
-
-
-// Special styles for iOS temporal inputs
-//
-// In Mobile Safari, setting `display: block` on temporal inputs causes the
-// text within the input to become vertically misaligned. As a workaround, we
-// set a pixel line-height that matches the given height of the input, but only
-// for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
-
-@media screen and (-webkit-min-device-pixel-ratio: 0) {
-  input[type="date"],
-  input[type="time"],
-  input[type="datetime-local"],
-  input[type="month"] {
-    line-height: @input-height-base;
-
-    &.input-sm,
-    .input-group-sm & {
-      line-height: @input-height-small;
-    }
-
-    &.input-lg,
-    .input-group-lg & {
-      line-height: @input-height-large;
-    }
-  }
-}
-
-
-// Form groups
-//
-// Designed to help with the organization and spacing of vertical forms. For
-// horizontal forms, use the predefined grid classes.
-
-.form-group {
-  margin-bottom: @form-group-margin-bottom;
-}
-
-
-// Checkboxes and radios
-//
-// Indent the labels to position radios/checkboxes as hanging controls.
-
-.radio,
-.checkbox {
-  position: relative;
-  display: block;
-  margin-top: 10px;
-  margin-bottom: 10px;
-
-  label {
-    min-height: @line-height-computed; // Ensure the input doesn't jump when there is no text
-    padding-left: 20px;
-    margin-bottom: 0;
-    font-weight: normal;
-    cursor: pointer;
-  }
-}
-.radio input[type="radio"],
-.radio-inline input[type="radio"],
-.checkbox input[type="checkbox"],
-.checkbox-inline input[type="checkbox"] {
-  position: absolute;
-  margin-left: -20px;
-  margin-top: 4px \9;
-}
-
-.radio + .radio,
-.checkbox + .checkbox {
-  margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
-}
-
-// Radios and checkboxes on same line
-.radio-inline,
-.checkbox-inline {
-  position: relative;
-  display: inline-block;
-  padding-left: 20px;
-  margin-bottom: 0;
-  vertical-align: middle;
-  font-weight: normal;
-  cursor: pointer;
-}
-.radio-inline + .radio-inline,
-.checkbox-inline + .checkbox-inline {
-  margin-top: 0;
-  margin-left: 10px; // space out consecutive inline controls
-}
-
-// Apply same disabled cursor tweak as for inputs
-// Some special care is needed because <label>s don't inherit their parent's `cursor`.
-//
-// Note: Neither radios nor checkboxes can be readonly.
-input[type="radio"],
-input[type="checkbox"] {
-  &[disabled],
-  &.disabled,
-  fieldset[disabled] & {
-    cursor: @cursor-disabled;
-  }
-}
-// These classes are used directly on <label>s
-.radio-inline,
-.checkbox-inline {
-  &.disabled,
-  fieldset[disabled] & {
-    cursor: @cursor-disabled;
-  }
-}
-// These classes are used on elements with <label> descendants
-.radio,
-.checkbox {
-  &.disabled,
-  fieldset[disabled] & {
-    label {
-      cursor: @cursor-disabled;
-    }
-  }
-}
-
-
-// Static form control text
-//
-// Apply class to a `p` element to make any string of text align with labels in
-// a horizontal form layout.
-
-.form-control-static {
-  // Size it appropriately next to real form controls
-  padding-top: (@padding-base-vertical + 1);
-  padding-bottom: (@padding-base-vertical + 1);
-  // Remove default margin from `p`
-  margin-bottom: 0;
-  min-height: (@line-height-computed + @font-size-base);
-
-  &.input-lg,
-  &.input-sm {
-    padding-left: 0;
-    padding-right: 0;
-  }
-}
-
-
-// Form control sizing
-//
-// Build on `.form-control` with modifier classes to decrease or increase the
-// height and font-size of form controls.
-//
-// The `.form-group-* form-control` variations are sadly duplicated to avoid the
-// issue documented in https://github.com/twbs/bootstrap/issues/15074.
-
-.input-sm {
-  .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
-}
-.form-group-sm {
-  .form-control {
-    .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
-  }
-  .form-control-static {
-    height: @input-height-small;
-    padding: @padding-small-vertical @padding-small-horizontal;
-    font-size: @font-size-small;
-    line-height: @line-height-small;
-    min-height: (@line-height-computed + @font-size-small);
-  }
-}
-
-.input-lg {
-  .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
-}
-.form-group-lg {
-  .form-control {
-    .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
-  }
-  .form-control-static {
-    height: @input-height-large;
-    padding: @padding-large-vertical @padding-large-horizontal;
-    font-size: @font-size-large;
-    line-height: @line-height-large;
-    min-height: (@line-height-computed + @font-size-large);
-  }
-}
-
-
-// Form control feedback states
-//
-// Apply contextual and semantic states to individual form controls.
-
-.has-feedback {
-  // Enable absolute positioning
-  position: relative;
-
-  // Ensure icons don't overlap text
-  .form-control {
-    padding-right: (@input-height-base * 1.25);
-  }
-}
-// Feedback icon (requires .glyphicon classes)
-.form-control-feedback {
-  position: absolute;
-  top: 0;
-  right: 0;
-  z-index: 2; // Ensure icon is above input groups
-  display: block;
-  width: @input-height-base;
-  height: @input-height-base;
-  line-height: @input-height-base;
-  text-align: center;
-  pointer-events: none;
-}
-.input-lg + .form-control-feedback {
-  width: @input-height-large;
-  height: @input-height-large;
-  line-height: @input-height-large;
-}
-.input-sm + .form-control-feedback {
-  width: @input-height-small;
-  height: @input-height-small;
-  line-height: @input-height-small;
-}
-
-// Feedback states
-.has-success {
-  .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);
-}
-.has-warning {
-  .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);
-}
-.has-error {
-  .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);
-}
-
-// Reposition feedback icon if input has visible label above
-.has-feedback label {
-
-  & ~ .form-control-feedback {
-     top: (@line-height-computed + 5); // Height of the `label` and its margin
-  }
-  &.sr-only ~ .form-control-feedback {
-     top: 0;
-  }
-}
-
-
-// Help text
-//
-// Apply to any element you wish to create light text for placement immediately
-// below a form control. Use for general help, formatting, or instructional text.
-
-.help-block {
-  display: block; // account for any element using help-block
-  margin-top: 5px;
-  margin-bottom: 10px;
-  color: lighten(@text-color, 25%); // lighten the text some for contrast
-}
-
-
-// Inline forms
-//
-// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
-// forms begin stacked on extra small (mobile) devices and then go inline when
-// viewports reach <768px.
-//
-// Requires wrapping inputs and labels with `.form-group` for proper display of
-// default HTML form controls and our custom form controls (e.g., input groups).
-//
-// Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
-
-.form-inline {
-
-  // Kick in the inline
-  @media (min-width: @screen-sm-min) {
-    // Inline-block all the things for "inline"
-    .form-group {
-      display: inline-block;
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
-    // In navbar-form, allow folks to *not* use `.form-group`
-    .form-control {
-      display: inline-block;
-      width: auto; // Prevent labels from stacking above inputs in `.form-group`
-      vertical-align: middle;
-    }
-
-    // Make static controls behave like regular ones
-    .form-control-static {
-      display: inline-block;
-    }
-
-    .input-group {
-      display: inline-table;
-      vertical-align: middle;
-
-      .input-group-addon,
-      .input-group-btn,
-      .form-control {
-        width: auto;
-      }
-    }
-
-    // Input groups need that 100% width though
-    .input-group > .form-control {
-      width: 100%;
-    }
-
-    .control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
-    // Remove default margin on radios/checkboxes that were used for stacking, and
-    // then undo the floating of radios and checkboxes to match.
-    .radio,
-    .checkbox {
-      display: inline-block;
-      margin-top: 0;
-      margin-bottom: 0;
-      vertical-align: middle;
-
-      label {
-        padding-left: 0;
-      }
-    }
-    .radio input[type="radio"],
-    .checkbox input[type="checkbox"] {
-      position: relative;
-      margin-left: 0;
-    }
-
-    // Re-override the feedback icon.
-    .has-feedback .form-control-feedback {
-      top: 0;
-    }
-  }
-}
-
-
-// Horizontal forms
-//
-// Horizontal forms are built on grid classes and allow you to create forms with
-// labels on the left and inputs on the right.
-
-.form-horizontal {
-
-  // Consistent vertical alignment of radios and checkboxes
-  //
-  // Labels also get some reset styles, but that is scoped to a media query below.
-  .radio,
-  .checkbox,
-  .radio-inline,
-  .checkbox-inline {
-    margin-top: 0;
-    margin-bottom: 0;
-    padding-top: (@padding-base-vertical + 1); // Default padding plus a border
-  }
-  // Account for padding we're adding to ensure the alignment and of help text
-  // and other content below items
-  .radio,
-  .checkbox {
-    min-height: (@line-height-computed + (@padding-base-vertical + 1));
-  }
-
-  // Make form groups behave like rows
-  .form-group {
-    .make-row();
-  }
-
-  // Reset spacing and right align labels, but scope to media queries so that
-  // labels on narrow viewports stack the same as a default form example.
-  @media (min-width: @screen-sm-min) {
-    .control-label {
-      text-align: right;
-      margin-bottom: 0;
-      padding-top: (@padding-base-vertical + 1); // Default padding plus a border
-    }
-  }
-
-  // Validation states
-  //
-  // Reposition the icon because it's now within a grid column and columns have
-  // `position: relative;` on them. Also accounts for the grid gutter padding.
-  .has-feedback .form-control-feedback {
-    right: (@grid-gutter-width / 2);
-  }
-
-  // Form group sizes
-  //
-  // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
-  // inputs and labels within a `.form-group`.
-  .form-group-lg {
-    @media (min-width: @screen-sm-min) {
-      .control-label {
-        padding-top: ((@padding-large-vertical * @line-height-large) + 1);
-      }
-    }
-  }
-  .form-group-sm {
-    @media (min-width: @screen-sm-min) {
-      .control-label {
-        padding-top: (@padding-small-vertical + 1);
-      }
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/glyphicons.less b/third_party/fmt-9.1.0/doc/bootstrap/glyphicons.less
deleted file mode 100644
index 335d80aa..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/glyphicons.less
+++ /dev/null
@@ -1,305 +0,0 @@
-//
-// Glyphicons for Bootstrap
-//
-// Since icons are fonts, they can be placed anywhere text is placed and are
-// thus automatically sized to match the surrounding child. To use, create an
-// inline element with the appropriate classes, like so:
-//
-// <a href="#"><span class="glyphicon glyphicon-star"></span> Star</a>
-
-// Import the fonts
-@font-face {
-  font-family: 'Glyphicons Halflings';
-  src: url('@{icon-font-path}@{icon-font-name}.eot');
-  src: url('@{icon-font-path}@{icon-font-name}.eot?#iefix') format('embedded-opentype'),
-       url('@{icon-font-path}@{icon-font-name}.woff2') format('woff2'),
-       url('@{icon-font-path}@{icon-font-name}.woff') format('woff'),
-       url('@{icon-font-path}@{icon-font-name}.ttf') format('truetype'),
-       url('@{icon-font-path}@{icon-font-name}.svg#@{icon-font-svg-id}') format('svg');
-}
-
-// Catchall baseclass
-.glyphicon {
-  position: relative;
-  top: 1px;
-  display: inline-block;
-  font-family: 'Glyphicons Halflings';
-  font-style: normal;
-  font-weight: normal;
-  line-height: 1;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-// Individual icons
-.glyphicon-asterisk               { &:before { content: "\2a"; } }
-.glyphicon-plus                   { &:before { content: "\2b"; } }
-.glyphicon-euro,
-.glyphicon-eur                    { &:before { content: "\20ac"; } }
-.glyphicon-minus                  { &:before { content: "\2212"; } }
-.glyphicon-cloud                  { &:before { content: "\2601"; } }
-.glyphicon-envelope               { &:before { content: "\2709"; } }
-.glyphicon-pencil                 { &:before { content: "\270f"; } }
-.glyphicon-glass                  { &:before { content: "\e001"; } }
-.glyphicon-music                  { &:before { content: "\e002"; } }
-.glyphicon-search                 { &:before { content: "\e003"; } }
-.glyphicon-heart                  { &:before { content: "\e005"; } }
-.glyphicon-star                   { &:before { content: "\e006"; } }
-.glyphicon-star-empty             { &:before { content: "\e007"; } }
-.glyphicon-user                   { &:before { content: "\e008"; } }
-.glyphicon-film                   { &:before { content: "\e009"; } }
-.glyphicon-th-large               { &:before { content: "\e010"; } }
-.glyphicon-th                     { &:before { content: "\e011"; } }
-.glyphicon-th-list                { &:before { content: "\e012"; } }
-.glyphicon-ok                     { &:before { content: "\e013"; } }
-.glyphicon-remove                 { &:before { content: "\e014"; } }
-.glyphicon-zoom-in                { &:before { content: "\e015"; } }
-.glyphicon-zoom-out               { &:before { content: "\e016"; } }
-.glyphicon-off                    { &:before { content: "\e017"; } }
-.glyphicon-signal                 { &:before { content: "\e018"; } }
-.glyphicon-cog                    { &:before { content: "\e019"; } }
-.glyphicon-trash                  { &:before { content: "\e020"; } }
-.glyphicon-home                   { &:before { content: "\e021"; } }
-.glyphicon-file                   { &:before { content: "\e022"; } }
-.glyphicon-time                   { &:before { content: "\e023"; } }
-.glyphicon-road                   { &:before { content: "\e024"; } }
-.glyphicon-download-alt           { &:before { content: "\e025"; } }
-.glyphicon-download               { &:before { content: "\e026"; } }
-.glyphicon-upload                 { &:before { content: "\e027"; } }
-.glyphicon-inbox                  { &:before { content: "\e028"; } }
-.glyphicon-play-circle            { &:before { content: "\e029"; } }
-.glyphicon-repeat                 { &:before { content: "\e030"; } }
-.glyphicon-refresh                { &:before { content: "\e031"; } }
-.glyphicon-list-alt               { &:before { content: "\e032"; } }
-.glyphicon-lock                   { &:before { content: "\e033"; } }
-.glyphicon-flag                   { &:before { content: "\e034"; } }
-.glyphicon-headphones             { &:before { content: "\e035"; } }
-.glyphicon-volume-off             { &:before { content: "\e036"; } }
-.glyphicon-volume-down            { &:before { content: "\e037"; } }
-.glyphicon-volume-up              { &:before { content: "\e038"; } }
-.glyphicon-qrcode                 { &:before { content: "\e039"; } }
-.glyphicon-barcode                { &:before { content: "\e040"; } }
-.glyphicon-tag                    { &:before { content: "\e041"; } }
-.glyphicon-tags                   { &:before { content: "\e042"; } }
-.glyphicon-book                   { &:before { content: "\e043"; } }
-.glyphicon-bookmark               { &:before { content: "\e044"; } }
-.glyphicon-print                  { &:before { content: "\e045"; } }
-.glyphicon-camera                 { &:before { content: "\e046"; } }
-.glyphicon-font                   { &:before { content: "\e047"; } }
-.glyphicon-bold                   { &:before { content: "\e048"; } }
-.glyphicon-italic                 { &:before { content: "\e049"; } }
-.glyphicon-text-height            { &:before { content: "\e050"; } }
-.glyphicon-text-width             { &:before { content: "\e051"; } }
-.glyphicon-align-left             { &:before { content: "\e052"; } }
-.glyphicon-align-center           { &:before { content: "\e053"; } }
-.glyphicon-align-right            { &:before { content: "\e054"; } }
-.glyphicon-align-justify          { &:before { content: "\e055"; } }
-.glyphicon-list                   { &:before { content: "\e056"; } }
-.glyphicon-indent-left            { &:before { content: "\e057"; } }
-.glyphicon-indent-right           { &:before { content: "\e058"; } }
-.glyphicon-facetime-video         { &:before { content: "\e059"; } }
-.glyphicon-picture                { &:before { content: "\e060"; } }
-.glyphicon-map-marker             { &:before { content: "\e062"; } }
-.glyphicon-adjust                 { &:before { content: "\e063"; } }
-.glyphicon-tint                   { &:before { content: "\e064"; } }
-.glyphicon-edit                   { &:before { content: "\e065"; } }
-.glyphicon-share                  { &:before { content: "\e066"; } }
-.glyphicon-check                  { &:before { content: "\e067"; } }
-.glyphicon-move                   { &:before { content: "\e068"; } }
-.glyphicon-step-backward          { &:before { content: "\e069"; } }
-.glyphicon-fast-backward          { &:before { content: "\e070"; } }
-.glyphicon-backward               { &:before { content: "\e071"; } }
-.glyphicon-play                   { &:before { content: "\e072"; } }
-.glyphicon-pause                  { &:before { content: "\e073"; } }
-.glyphicon-stop                   { &:before { content: "\e074"; } }
-.glyphicon-forward                { &:before { content: "\e075"; } }
-.glyphicon-fast-forward           { &:before { content: "\e076"; } }
-.glyphicon-step-forward           { &:before { content: "\e077"; } }
-.glyphicon-eject                  { &:before { content: "\e078"; } }
-.glyphicon-chevron-left           { &:before { content: "\e079"; } }
-.glyphicon-chevron-right          { &:before { content: "\e080"; } }
-.glyphicon-plus-sign              { &:before { content: "\e081"; } }
-.glyphicon-minus-sign             { &:before { content: "\e082"; } }
-.glyphicon-remove-sign            { &:before { content: "\e083"; } }
-.glyphicon-ok-sign                { &:before { content: "\e084"; } }
-.glyphicon-question-sign          { &:before { content: "\e085"; } }
-.glyphicon-info-sign              { &:before { content: "\e086"; } }
-.glyphicon-screenshot             { &:before { content: "\e087"; } }
-.glyphicon-remove-circle          { &:before { content: "\e088"; } }
-.glyphicon-ok-circle              { &:before { content: "\e089"; } }
-.glyphicon-ban-circle             { &:before { content: "\e090"; } }
-.glyphicon-arrow-left             { &:before { content: "\e091"; } }
-.glyphicon-arrow-right            { &:before { content: "\e092"; } }
-.glyphicon-arrow-up               { &:before { content: "\e093"; } }
-.glyphicon-arrow-down             { &:before { content: "\e094"; } }
-.glyphicon-share-alt              { &:before { content: "\e095"; } }
-.glyphicon-resize-full            { &:before { content: "\e096"; } }
-.glyphicon-resize-small           { &:before { content: "\e097"; } }
-.glyphicon-exclamation-sign       { &:before { content: "\e101"; } }
-.glyphicon-gift                   { &:before { content: "\e102"; } }
-.glyphicon-leaf                   { &:before { content: "\e103"; } }
-.glyphicon-fire                   { &:before { content: "\e104"; } }
-.glyphicon-eye-open               { &:before { content: "\e105"; } }
-.glyphicon-eye-close              { &:before { content: "\e106"; } }
-.glyphicon-warning-sign           { &:before { content: "\e107"; } }
-.glyphicon-plane                  { &:before { content: "\e108"; } }
-.glyphicon-calendar               { &:before { content: "\e109"; } }
-.glyphicon-random                 { &:before { content: "\e110"; } }
-.glyphicon-comment                { &:before { content: "\e111"; } }
-.glyphicon-magnet                 { &:before { content: "\e112"; } }
-.glyphicon-chevron-up             { &:before { content: "\e113"; } }
-.glyphicon-chevron-down           { &:before { content: "\e114"; } }
-.glyphicon-retweet                { &:before { content: "\e115"; } }
-.glyphicon-shopping-cart          { &:before { content: "\e116"; } }
-.glyphicon-folder-close           { &:before { content: "\e117"; } }
-.glyphicon-folder-open            { &:before { content: "\e118"; } }
-.glyphicon-resize-vertical        { &:before { content: "\e119"; } }
-.glyphicon-resize-horizontal      { &:before { content: "\e120"; } }
-.glyphicon-hdd                    { &:before { content: "\e121"; } }
-.glyphicon-bullhorn               { &:before { content: "\e122"; } }
-.glyphicon-bell                   { &:before { content: "\e123"; } }
-.glyphicon-certificate            { &:before { content: "\e124"; } }
-.glyphicon-thumbs-up              { &:before { content: "\e125"; } }
-.glyphicon-thumbs-down            { &:before { content: "\e126"; } }
-.glyphicon-hand-right             { &:before { content: "\e127"; } }
-.glyphicon-hand-left              { &:before { content: "\e128"; } }
-.glyphicon-hand-up                { &:before { content: "\e129"; } }
-.glyphicon-hand-down              { &:before { content: "\e130"; } }
-.glyphicon-circle-arrow-right     { &:before { content: "\e131"; } }
-.glyphicon-circle-arrow-left      { &:before { content: "\e132"; } }
-.glyphicon-circle-arrow-up        { &:before { content: "\e133"; } }
-.glyphicon-circle-arrow-down      { &:before { content: "\e134"; } }
-.glyphicon-globe                  { &:before { content: "\e135"; } }
-.glyphicon-wrench                 { &:before { content: "\e136"; } }
-.glyphicon-tasks                  { &:before { content: "\e137"; } }
-.glyphicon-filter                 { &:before { content: "\e138"; } }
-.glyphicon-briefcase              { &:before { content: "\e139"; } }
-.glyphicon-fullscreen             { &:before { content: "\e140"; } }
-.glyphicon-dashboard              { &:before { content: "\e141"; } }
-.glyphicon-paperclip              { &:before { content: "\e142"; } }
-.glyphicon-heart-empty            { &:before { content: "\e143"; } }
-.glyphicon-link                   { &:before { content: "\e144"; } }
-.glyphicon-phone                  { &:before { content: "\e145"; } }
-.glyphicon-pushpin                { &:before { content: "\e146"; } }
-.glyphicon-usd                    { &:before { content: "\e148"; } }
-.glyphicon-gbp                    { &:before { content: "\e149"; } }
-.glyphicon-sort                   { &:before { content: "\e150"; } }
-.glyphicon-sort-by-alphabet       { &:before { content: "\e151"; } }
-.glyphicon-sort-by-alphabet-alt   { &:before { content: "\e152"; } }
-.glyphicon-sort-by-order          { &:before { content: "\e153"; } }
-.glyphicon-sort-by-order-alt      { &:before { content: "\e154"; } }
-.glyphicon-sort-by-attributes     { &:before { content: "\e155"; } }
-.glyphicon-sort-by-attributes-alt { &:before { content: "\e156"; } }
-.glyphicon-unchecked              { &:before { content: "\e157"; } }
-.glyphicon-expand                 { &:before { content: "\e158"; } }
-.glyphicon-collapse-down          { &:before { content: "\e159"; } }
-.glyphicon-collapse-up            { &:before { content: "\e160"; } }
-.glyphicon-log-in                 { &:before { content: "\e161"; } }
-.glyphicon-flash                  { &:before { content: "\e162"; } }
-.glyphicon-log-out                { &:before { content: "\e163"; } }
-.glyphicon-new-window             { &:before { content: "\e164"; } }
-.glyphicon-record                 { &:before { content: "\e165"; } }
-.glyphicon-save                   { &:before { content: "\e166"; } }
-.glyphicon-open                   { &:before { content: "\e167"; } }
-.glyphicon-saved                  { &:before { content: "\e168"; } }
-.glyphicon-import                 { &:before { content: "\e169"; } }
-.glyphicon-export                 { &:before { content: "\e170"; } }
-.glyphicon-send                   { &:before { content: "\e171"; } }
-.glyphicon-floppy-disk            { &:before { content: "\e172"; } }
-.glyphicon-floppy-saved           { &:before { content: "\e173"; } }
-.glyphicon-floppy-remove          { &:before { content: "\e174"; } }
-.glyphicon-floppy-save            { &:before { content: "\e175"; } }
-.glyphicon-floppy-open            { &:before { content: "\e176"; } }
-.glyphicon-credit-card            { &:before { content: "\e177"; } }
-.glyphicon-transfer               { &:before { content: "\e178"; } }
-.glyphicon-cutlery                { &:before { content: "\e179"; } }
-.glyphicon-header                 { &:before { content: "\e180"; } }
-.glyphicon-compressed             { &:before { content: "\e181"; } }
-.glyphicon-earphone               { &:before { content: "\e182"; } }
-.glyphicon-phone-alt              { &:before { content: "\e183"; } }
-.glyphicon-tower                  { &:before { content: "\e184"; } }
-.glyphicon-stats                  { &:before { content: "\e185"; } }
-.glyphicon-sd-video               { &:before { content: "\e186"; } }
-.glyphicon-hd-video               { &:before { content: "\e187"; } }
-.glyphicon-subtitles              { &:before { content: "\e188"; } }
-.glyphicon-sound-stereo           { &:before { content: "\e189"; } }
-.glyphicon-sound-dolby            { &:before { content: "\e190"; } }
-.glyphicon-sound-5-1              { &:before { content: "\e191"; } }
-.glyphicon-sound-6-1              { &:before { content: "\e192"; } }
-.glyphicon-sound-7-1              { &:before { content: "\e193"; } }
-.glyphicon-copyright-mark         { &:before { content: "\e194"; } }
-.glyphicon-registration-mark      { &:before { content: "\e195"; } }
-.glyphicon-cloud-download         { &:before { content: "\e197"; } }
-.glyphicon-cloud-upload           { &:before { content: "\e198"; } }
-.glyphicon-tree-conifer           { &:before { content: "\e199"; } }
-.glyphicon-tree-deciduous         { &:before { content: "\e200"; } }
-.glyphicon-cd                     { &:before { content: "\e201"; } }
-.glyphicon-save-file              { &:before { content: "\e202"; } }
-.glyphicon-open-file              { &:before { content: "\e203"; } }
-.glyphicon-level-up               { &:before { content: "\e204"; } }
-.glyphicon-copy                   { &:before { content: "\e205"; } }
-.glyphicon-paste                  { &:before { content: "\e206"; } }
-// The following 2 Glyphicons are omitted for the time being because
-// they currently use Unicode codepoints that are outside the
-// Basic Multilingual Plane (BMP). Older buggy versions of WebKit can't handle
-// non-BMP codepoints in CSS string escapes, and thus can't display these two icons.
-// Notably, the bug affects some older versions of the Android Browser.
-// More info: https://github.com/twbs/bootstrap/issues/10106
-// .glyphicon-door                   { &:before { content: "\1f6aa"; } }
-// .glyphicon-key                    { &:before { content: "\1f511"; } }
-.glyphicon-alert                  { &:before { content: "\e209"; } }
-.glyphicon-equalizer              { &:before { content: "\e210"; } }
-.glyphicon-king                   { &:before { content: "\e211"; } }
-.glyphicon-queen                  { &:before { content: "\e212"; } }
-.glyphicon-pawn                   { &:before { content: "\e213"; } }
-.glyphicon-bishop                 { &:before { content: "\e214"; } }
-.glyphicon-knight                 { &:before { content: "\e215"; } }
-.glyphicon-baby-formula           { &:before { content: "\e216"; } }
-.glyphicon-tent                   { &:before { content: "\26fa"; } }
-.glyphicon-blackboard             { &:before { content: "\e218"; } }
-.glyphicon-bed                    { &:before { content: "\e219"; } }
-.glyphicon-apple                  { &:before { content: "\f8ff"; } }
-.glyphicon-erase                  { &:before { content: "\e221"; } }
-.glyphicon-hourglass              { &:before { content: "\231b"; } }
-.glyphicon-lamp                   { &:before { content: "\e223"; } }
-.glyphicon-duplicate              { &:before { content: "\e224"; } }
-.glyphicon-piggy-bank             { &:before { content: "\e225"; } }
-.glyphicon-scissors               { &:before { content: "\e226"; } }
-.glyphicon-bitcoin                { &:before { content: "\e227"; } }
-.glyphicon-btc                    { &:before { content: "\e227"; } }
-.glyphicon-xbt                    { &:before { content: "\e227"; } }
-.glyphicon-yen                    { &:before { content: "\00a5"; } }
-.glyphicon-jpy                    { &:before { content: "\00a5"; } }
-.glyphicon-ruble                  { &:before { content: "\20bd"; } }
-.glyphicon-rub                    { &:before { content: "\20bd"; } }
-.glyphicon-scale                  { &:before { content: "\e230"; } }
-.glyphicon-ice-lolly              { &:before { content: "\e231"; } }
-.glyphicon-ice-lolly-tasted       { &:before { content: "\e232"; } }
-.glyphicon-education              { &:before { content: "\e233"; } }
-.glyphicon-option-horizontal      { &:before { content: "\e234"; } }
-.glyphicon-option-vertical        { &:before { content: "\e235"; } }
-.glyphicon-menu-hamburger         { &:before { content: "\e236"; } }
-.glyphicon-modal-window           { &:before { content: "\e237"; } }
-.glyphicon-oil                    { &:before { content: "\e238"; } }
-.glyphicon-grain                  { &:before { content: "\e239"; } }
-.glyphicon-sunglasses             { &:before { content: "\e240"; } }
-.glyphicon-text-size              { &:before { content: "\e241"; } }
-.glyphicon-text-color             { &:before { content: "\e242"; } }
-.glyphicon-text-background        { &:before { content: "\e243"; } }
-.glyphicon-object-align-top       { &:before { content: "\e244"; } }
-.glyphicon-object-align-bottom    { &:before { content: "\e245"; } }
-.glyphicon-object-align-horizontal{ &:before { content: "\e246"; } }
-.glyphicon-object-align-left      { &:before { content: "\e247"; } }
-.glyphicon-object-align-vertical  { &:before { content: "\e248"; } }
-.glyphicon-object-align-right     { &:before { content: "\e249"; } }
-.glyphicon-triangle-right         { &:before { content: "\e250"; } }
-.glyphicon-triangle-left          { &:before { content: "\e251"; } }
-.glyphicon-triangle-bottom        { &:before { content: "\e252"; } }
-.glyphicon-triangle-top           { &:before { content: "\e253"; } }
-.glyphicon-console                { &:before { content: "\e254"; } }
-.glyphicon-superscript            { &:before { content: "\e255"; } }
-.glyphicon-subscript              { &:before { content: "\e256"; } }
-.glyphicon-menu-left              { &:before { content: "\e257"; } }
-.glyphicon-menu-right             { &:before { content: "\e258"; } }
-.glyphicon-menu-down              { &:before { content: "\e259"; } }
-.glyphicon-menu-up                { &:before { content: "\e260"; } }
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/grid.less b/third_party/fmt-9.1.0/doc/bootstrap/grid.less
deleted file mode 100644
index 2e61c942..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/grid.less
+++ /dev/null
@@ -1,84 +0,0 @@
-//
-// Grid system
-// --------------------------------------------------
-
-
-// Container widths
-//
-// Set the container width, and override it for fixed navbars in media queries.
-
-.tb-container {
-  .container-fixed();
-
-  @media (min-width: @screen-sm-min) {
-    width: @container-sm;
-  }
-  @media (min-width: @screen-md-min) {
-    width: @container-md;
-  }
-  @media (min-width: @screen-lg-min) {
-    width: @container-lg;
-  }
-}
-
-
-// Fluid container
-//
-// Utilizes the mixin meant for fixed width containers, but without any defined
-// width for fluid, full width layouts.
-
-.container-fluid {
-  .container-fixed();
-}
-
-
-// Row
-//
-// Rows contain and clear the floats of your columns.
-
-.row {
-  .make-row();
-}
-
-
-// Columns
-//
-// Common styles for small and large grid columns
-
-.make-grid-columns();
-
-
-// Extra small grid
-//
-// Columns, offsets, pushes, and pulls for extra small devices like
-// smartphones.
-
-.make-grid(xs);
-
-
-// Small grid
-//
-// Columns, offsets, pushes, and pulls for the small device range, from phones
-// to tablets.
-
-@media (min-width: @screen-sm-min) {
-  .make-grid(sm);
-}
-
-
-// Medium grid
-//
-// Columns, offsets, pushes, and pulls for the desktop device range.
-
-@media (min-width: @screen-md-min) {
-  .make-grid(md);
-}
-
-
-// Large grid
-//
-// Columns, offsets, pushes, and pulls for the large desktop device range.
-
-@media (min-width: @screen-lg-min) {
-  .make-grid(lg);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/input-groups.less b/third_party/fmt-9.1.0/doc/bootstrap/input-groups.less
deleted file mode 100644
index a8712f25..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/input-groups.less
+++ /dev/null
@@ -1,166 +0,0 @@
-//
-// Input groups
-// --------------------------------------------------
-
-// Base styles
-// -------------------------
-.input-group {
-  position: relative; // For dropdowns
-  display: table;
-  border-collapse: separate; // prevent input groups from inheriting border styles from table cells when placed within a table
-
-  // Undo padding and float of grid classes
-  &[class*="col-"] {
-    float: none;
-    padding-left: 0;
-    padding-right: 0;
-  }
-
-  .form-control {
-    // Ensure that the input is always above the *appended* addon button for
-    // proper border colors.
-    position: relative;
-    z-index: 2;
-
-    // IE9 fubars the placeholder attribute in text inputs and the arrows on
-    // select elements in input groups. To fix it, we float the input. Details:
-    // https://github.com/twbs/bootstrap/issues/11561#issuecomment-28936855
-    float: left;
-
-    width: 100%;
-    margin-bottom: 0;
-  }
-}
-
-// Sizing options
-//
-// Remix the default form control sizing classes into new ones for easier
-// manipulation.
-
-.input-group-lg > .form-control,
-.input-group-lg > .input-group-addon,
-.input-group-lg > .input-group-btn > .btn {
-  .input-lg();
-}
-.input-group-sm > .form-control,
-.input-group-sm > .input-group-addon,
-.input-group-sm > .input-group-btn > .btn {
-  .input-sm();
-}
-
-
-// Display as table-cell
-// -------------------------
-.input-group-addon,
-.input-group-btn,
-.input-group .form-control {
-  display: table-cell;
-
-  &:not(:first-child):not(:last-child) {
-    border-radius: 0;
-  }
-}
-// Addon and addon wrapper for buttons
-.input-group-addon,
-.input-group-btn {
-  width: 1%;
-  white-space: nowrap;
-  vertical-align: middle; // Match the inputs
-}
-
-// Text input groups
-// -------------------------
-.input-group-addon {
-  padding: @padding-base-vertical @padding-base-horizontal;
-  font-size: @font-size-base;
-  font-weight: normal;
-  line-height: 1;
-  color: @input-color;
-  text-align: center;
-  background-color: @input-group-addon-bg;
-  border: 1px solid @input-group-addon-border-color;
-  border-radius: @border-radius-base;
-
-  // Sizing
-  &.input-sm {
-    padding: @padding-small-vertical @padding-small-horizontal;
-    font-size: @font-size-small;
-    border-radius: @border-radius-small;
-  }
-  &.input-lg {
-    padding: @padding-large-vertical @padding-large-horizontal;
-    font-size: @font-size-large;
-    border-radius: @border-radius-large;
-  }
-
-  // Nuke default margins from checkboxes and radios to vertically center within.
-  input[type="radio"],
-  input[type="checkbox"] {
-    margin-top: 0;
-  }
-}
-
-// Reset rounded corners
-.input-group .form-control:first-child,
-.input-group-addon:first-child,
-.input-group-btn:first-child > .btn,
-.input-group-btn:first-child > .btn-group > .btn,
-.input-group-btn:first-child > .dropdown-toggle,
-.input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle),
-.input-group-btn:last-child > .btn-group:not(:last-child) > .btn {
-  .border-right-radius(0);
-}
-.input-group-addon:first-child {
-  border-right: 0;
-}
-.input-group .form-control:last-child,
-.input-group-addon:last-child,
-.input-group-btn:last-child > .btn,
-.input-group-btn:last-child > .btn-group > .btn,
-.input-group-btn:last-child > .dropdown-toggle,
-.input-group-btn:first-child > .btn:not(:first-child),
-.input-group-btn:first-child > .btn-group:not(:first-child) > .btn {
-  .border-left-radius(0);
-}
-.input-group-addon:last-child {
-  border-left: 0;
-}
-
-// Button input groups
-// -------------------------
-.input-group-btn {
-  position: relative;
-  // Jankily prevent input button groups from wrapping with `white-space` and
-  // `font-size` in combination with `inline-block` on buttons.
-  font-size: 0;
-  white-space: nowrap;
-
-  // Negative margin for spacing, position for bringing hovered/focused/actived
-  // element above the siblings.
-  > .btn {
-    position: relative;
-    + .btn {
-      margin-left: -1px;
-    }
-    // Bring the "active" button to the front
-    &:hover,
-    &:focus,
-    &:active {
-      z-index: 2;
-    }
-  }
-
-  // Negative margin to only have a 1px border between the two
-  &:first-child {
-    > .btn,
-    > .btn-group {
-      margin-right: -1px;
-    }
-  }
-  &:last-child {
-    > .btn,
-    > .btn-group {
-      margin-left: -1px;
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/jumbotron.less b/third_party/fmt-9.1.0/doc/bootstrap/jumbotron.less
deleted file mode 100644
index 909580f9..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/jumbotron.less
+++ /dev/null
@@ -1,50 +0,0 @@
-//
-// Jumbotron
-// --------------------------------------------------
-
-
-.jumbotron {
-  padding: @jumbotron-padding (@jumbotron-padding / 2);
-  margin-bottom: @jumbotron-padding;
-  color: @jumbotron-color;
-  background-color: @jumbotron-bg;
-
-  h1,
-  .h1 {
-    color: @jumbotron-heading-color;
-  }
-
-  p {
-    margin-bottom: (@jumbotron-padding / 2);
-    font-size: @jumbotron-font-size;
-    font-weight: 200;
-  }
-
-  > hr {
-    border-top-color: darken(@jumbotron-bg, 10%);
-  }
-
-  .tb-container &,
-  .container-fluid & {
-    border-radius: @border-radius-large; // Only round corners at higher resolutions if contained in a container
-  }
-
-  .tb-container {
-    max-width: 100%;
-  }
-
-  @media screen and (min-width: @screen-sm-min) {
-    padding: (@jumbotron-padding * 1.6) 0;
-
-    .tb-container &,
-    .container-fluid & {
-      padding-left:  (@jumbotron-padding * 2);
-      padding-right: (@jumbotron-padding * 2);
-    }
-
-    h1,
-    .h1 {
-      font-size: (@font-size-base * 4.5);
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/labels.less b/third_party/fmt-9.1.0/doc/bootstrap/labels.less
deleted file mode 100644
index 9a5a2700..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/labels.less
+++ /dev/null
@@ -1,64 +0,0 @@
-//
-// Labels
-// --------------------------------------------------
-
-.label {
-  display: inline;
-  padding: .2em .6em .3em;
-  font-size: 75%;
-  font-weight: bold;
-  line-height: 1;
-  color: @label-color;
-  text-align: center;
-  white-space: nowrap;
-  vertical-align: baseline;
-  border-radius: .25em;
-
-  // Add hover effects, but only for links
-  a& {
-    &:hover,
-    &:focus {
-      color: @label-link-hover-color;
-      text-decoration: none;
-      cursor: pointer;
-    }
-  }
-
-  // Empty labels collapse automatically (not available in IE8)
-  &:empty {
-    display: none;
-  }
-
-  // Quick fix for labels in buttons
-  .btn & {
-    position: relative;
-    top: -1px;
-  }
-}
-
-// Colors
-// Contextual variations (linked labels get darker on :hover)
-
-.label-default {
-  .label-variant(@label-default-bg);
-}
-
-.label-primary {
-  .label-variant(@label-primary-bg);
-}
-
-.label-success {
-  .label-variant(@label-success-bg);
-}
-
-.label-info {
-  .label-variant(@label-info-bg);
-}
-
-.label-warning {
-  .label-variant(@label-warning-bg);
-}
-
-.label-danger {
-  .label-variant(@label-danger-bg);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/list-group.less b/third_party/fmt-9.1.0/doc/bootstrap/list-group.less
deleted file mode 100644
index 1462ce16..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/list-group.less
+++ /dev/null
@@ -1,124 +0,0 @@
-//
-// List groups
-// --------------------------------------------------
-
-
-// Base class
-//
-// Easily usable on <ul>, <ol>, or <div>.
-
-.list-group {
-  // No need to set list-style: none; since .list-group-item is block level
-  margin-bottom: 20px;
-  padding-left: 0; // reset padding because ul and ol
-}
-
-
-// Individual list items
-//
-// Use on `li`s or `div`s within the `.list-group` parent.
-
-.list-group-item {
-  position: relative;
-  display: block;
-  padding: 10px 15px;
-  // Place the border on the list items and negative margin up for better styling
-  margin-bottom: -1px;
-  background-color: @list-group-bg;
-  border: 1px solid @list-group-border;
-
-  // Round the first and last items
-  &:first-child {
-    .border-top-radius(@list-group-border-radius);
-  }
-  &:last-child {
-    margin-bottom: 0;
-    .border-bottom-radius(@list-group-border-radius);
-  }
-}
-
-
-// Linked list items
-//
-// Use anchor elements instead of `li`s or `div`s to create linked list items.
-// Includes an extra `.active` modifier class for showing selected items.
-
-a.list-group-item {
-  color: @list-group-link-color;
-
-  .list-group-item-heading {
-    color: @list-group-link-heading-color;
-  }
-
-  // Hover state
-  &:hover,
-  &:focus {
-    text-decoration: none;
-    color: @list-group-link-hover-color;
-    background-color: @list-group-hover-bg;
-  }
-}
-
-.list-group-item {
-  // Disabled state
-  &.disabled,
-  &.disabled:hover,
-  &.disabled:focus {
-    background-color: @list-group-disabled-bg;
-    color: @list-group-disabled-color;
-    cursor: @cursor-disabled;
-
-    // Force color to inherit for custom content
-    .list-group-item-heading {
-      color: inherit;
-    }
-    .list-group-item-text {
-      color: @list-group-disabled-text-color;
-    }
-  }
-
-  // Active class on item itself, not parent
-  &.active,
-  &.active:hover,
-  &.active:focus {
-    z-index: 2; // Place active items above their siblings for proper border styling
-    color: @list-group-active-color;
-    background-color: @list-group-active-bg;
-    border-color: @list-group-active-border;
-
-    // Force color to inherit for custom content
-    .list-group-item-heading,
-    .list-group-item-heading > small,
-    .list-group-item-heading > .small {
-      color: inherit;
-    }
-    .list-group-item-text {
-      color: @list-group-active-text-color;
-    }
-  }
-}
-
-
-// Contextual variants
-//
-// Add modifier classes to change text and background color on individual items.
-// Organizationally, this must come after the `:hover` states.
-
-.list-group-item-variant(success; @state-success-bg; @state-success-text);
-.list-group-item-variant(info; @state-info-bg; @state-info-text);
-.list-group-item-variant(warning; @state-warning-bg; @state-warning-text);
-.list-group-item-variant(danger; @state-danger-bg; @state-danger-text);
-
-
-// Custom content options
-//
-// Extra classes for creating well-formatted content within `.list-group-item`s.
-
-.list-group-item-heading {
-  margin-top: 0;
-  margin-bottom: 5px;
-}
-.list-group-item-text {
-  margin-bottom: 0;
-  line-height: 1.3;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/media.less b/third_party/fmt-9.1.0/doc/bootstrap/media.less
deleted file mode 100644
index a6bf7819..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/media.less
+++ /dev/null
@@ -1,61 +0,0 @@
-.media {
-  // Proper spacing between instances of .media
-  margin-top: 15px;
-
-  &:first-child {
-    margin-top: 0;
-  }
-}
-
-.media,
-.media-body {
-  zoom: 1;
-  overflow: hidden;
-}
-
-.media-body {
-  width: 10000px;
-}
-
-.media-object {
-  display: block;
-}
-
-.media-right,
-.media > .pull-right {
-  padding-left: 10px;
-}
-
-.media-left,
-.media > .pull-left {
-  padding-right: 10px;
-}
-
-.media-left,
-.media-right,
-.media-body {
-  display: table-cell;
-  vertical-align: top;
-}
-
-.media-middle {
-  vertical-align: middle;
-}
-
-.media-bottom {
-  vertical-align: bottom;
-}
-
-// Reset margins on headings for tighter default spacing
-.media-heading {
-  margin-top: 0;
-  margin-bottom: 5px;
-}
-
-// Media list variation
-//
-// Undo default ul/ol styles
-.media-list {
-  padding-left: 0;
-  list-style: none;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins.less
deleted file mode 100644
index af4408fc..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins.less
+++ /dev/null
@@ -1,39 +0,0 @@
-// Mixins
-// --------------------------------------------------
-
-// Utilities
-@import "mixins/hide-text.less";
-@import "mixins/opacity.less";
-@import "mixins/image.less";
-@import "mixins/labels.less";
-@import "mixins/reset-filter.less";
-@import "mixins/resize.less";
-@import "mixins/responsive-visibility.less";
-@import "mixins/size.less";
-@import "mixins/tab-focus.less";
-@import "mixins/text-emphasis.less";
-@import "mixins/text-overflow.less";
-@import "mixins/vendor-prefixes.less";
-
-// Components
-@import "mixins/alerts.less";
-@import "mixins/buttons.less";
-@import "mixins/panels.less";
-@import "mixins/pagination.less";
-@import "mixins/list-group.less";
-@import "mixins/nav-divider.less";
-@import "mixins/forms.less";
-@import "mixins/progress-bar.less";
-@import "mixins/table-row.less";
-
-// Skins
-@import "mixins/background-variant.less";
-@import "mixins/border-radius.less";
-@import "mixins/gradients.less";
-
-// Layout
-@import "mixins/clearfix.less";
-@import "mixins/center-block.less";
-@import "mixins/nav-vertical-align.less";
-@import "mixins/grid-framework.less";
-@import "mixins/grid.less";
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/alerts.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/alerts.less
deleted file mode 100644
index 396196f4..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/alerts.less
+++ /dev/null
@@ -1,14 +0,0 @@
-// Alerts
-
-.alert-variant(@background; @border; @text-color) {
-  background-color: @background;
-  border-color: @border;
-  color: @text-color;
-
-  hr {
-    border-top-color: darken(@border, 5%);
-  }
-  .alert-link {
-    color: darken(@text-color, 10%);
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/background-variant.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/background-variant.less
deleted file mode 100644
index 556e490d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/background-variant.less
+++ /dev/null
@@ -1,8 +0,0 @@
-// Contextual backgrounds
-
-.bg-variant(@color) {
-  background-color: @color;
-  a&:hover {
-    background-color: darken(@color, 10%);
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/border-radius.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/border-radius.less
deleted file mode 100644
index ca05dbf4..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/border-radius.less
+++ /dev/null
@@ -1,18 +0,0 @@
-// Single side border-radius
-
-.border-top-radius(@radius) {
-  border-top-right-radius: @radius;
-   border-top-left-radius: @radius;
-}
-.border-right-radius(@radius) {
-  border-bottom-right-radius: @radius;
-     border-top-right-radius: @radius;
-}
-.border-bottom-radius(@radius) {
-  border-bottom-right-radius: @radius;
-   border-bottom-left-radius: @radius;
-}
-.border-left-radius(@radius) {
-  border-bottom-left-radius: @radius;
-     border-top-left-radius: @radius;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/buttons.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/buttons.less
deleted file mode 100644
index 92d8a056..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/buttons.less
+++ /dev/null
@@ -1,52 +0,0 @@
-// Button variants
-//
-// Easily pump out default styles, as well as :hover, :focus, :active,
-// and disabled options for all buttons
-
-.button-variant(@color; @background; @border) {
-  color: @color;
-  background-color: @background;
-  border-color: @border;
-
-  &:hover,
-  &:focus,
-  &.focus,
-  &:active,
-  &.active,
-  .open > .dropdown-toggle& {
-    color: @color;
-    background-color: darken(@background, 10%);
-        border-color: darken(@border, 12%);
-  }
-  &:active,
-  &.active,
-  .open > .dropdown-toggle& {
-    background-image: none;
-  }
-  &.disabled,
-  &[disabled],
-  fieldset[disabled] & {
-    &,
-    &:hover,
-    &:focus,
-    &.focus,
-    &:active,
-    &.active {
-      background-color: @background;
-          border-color: @border;
-    }
-  }
-
-  .badge {
-    color: @background;
-    background-color: @color;
-  }
-}
-
-// Button sizes
-.button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
-  padding: @padding-vertical @padding-horizontal;
-  font-size: @font-size;
-  line-height: @line-height;
-  border-radius: @border-radius;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/center-block.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/center-block.less
deleted file mode 100644
index d18d6de9..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/center-block.less
+++ /dev/null
@@ -1,7 +0,0 @@
-// Center-align a block level element
-
-.center-block() {
-  display: block;
-  margin-left: auto;
-  margin-right: auto;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/clearfix.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/clearfix.less
deleted file mode 100644
index 3f7a3820..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/clearfix.less
+++ /dev/null
@@ -1,22 +0,0 @@
-// Clearfix
-//
-// For modern browsers
-// 1. The space content is one way to avoid an Opera bug when the
-//    contenteditable attribute is included anywhere else in the document.
-//    Otherwise it causes space to appear at the top and bottom of elements
-//    that are clearfixed.
-// 2. The use of `table` rather than `block` is only necessary if using
-//    `:before` to contain the top-margins of child elements.
-//
-// Source: http://nicolasgallagher.com/micro-clearfix-hack/
-
-.clearfix() {
-  &:before,
-  &:after {
-    content: " "; // 1
-    display: table; // 2
-  }
-  &:after {
-    clear: both;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/forms.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/forms.less
deleted file mode 100644
index 6f55ed96..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/forms.less
+++ /dev/null
@@ -1,85 +0,0 @@
-// Form validation states
-//
-// Used in forms.less to generate the form validation CSS for warnings, errors,
-// and successes.
-
-.form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) {
-  // Color the label and help text
-  .help-block,
-  .control-label,
-  .radio,
-  .checkbox,
-  .radio-inline,
-  .checkbox-inline,
-  &.radio label,
-  &.checkbox label,
-  &.radio-inline label,
-  &.checkbox-inline label  {
-    color: @text-color;
-  }
-  // Set the border and box shadow on specific inputs to match
-  .form-control {
-    border-color: @border-color;
-    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
-    &:focus {
-      border-color: darken(@border-color, 10%);
-      @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);
-      .box-shadow(@shadow);
-    }
-  }
-  // Set validation states also for addons
-  .input-group-addon {
-    color: @text-color;
-    border-color: @border-color;
-    background-color: @background-color;
-  }
-  // Optional feedback icon
-  .form-control-feedback {
-    color: @text-color;
-  }
-}
-
-
-// Form control focus state
-//
-// Generate a customized focus state and for any input with the specified color,
-// which defaults to the `@input-border-focus` variable.
-//
-// We highly encourage you to not customize the default value, but instead use
-// this to tweak colors on an as-needed basis. This aesthetic change is based on
-// WebKit's default styles, but applicable to a wider range of browsers. Its
-// usability and accessibility should be taken into account with any change.
-//
-// Example usage: change the default blue border and shadow to white for better
-// contrast against a dark gray background.
-.form-control-focus(@color: @input-border-focus) {
-  @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);
-  &:focus {
-    border-color: @color;
-    outline: 0;
-    .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}");
-  }
-}
-
-// Form control sizing
-//
-// Relative text size, padding, and border-radii changes for form controls. For
-// horizontal sizing, wrap controls in the predefined grid classes. `<select>`
-// element gets special love because it's special, and that's a fact!
-.input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
-  height: @input-height;
-  padding: @padding-vertical @padding-horizontal;
-  font-size: @font-size;
-  line-height: @line-height;
-  border-radius: @border-radius;
-
-  select& {
-    height: @input-height;
-    line-height: @input-height;
-  }
-
-  textarea&,
-  select[multiple]& {
-    height: auto;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/gradients.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/gradients.less
deleted file mode 100644
index 0b88a89c..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/gradients.less
+++ /dev/null
@@ -1,59 +0,0 @@
-// Gradients
-
-#gradient {
-
-  // Horizontal gradient, from left to right
-  //
-  // Creates two color stops, start and end, by specifying a color and position for each color stop.
-  // Color stops are not available in IE9 and below.
-  .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
-    background-image: -webkit-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+
-    background-image: -o-linear-gradient(left, @start-color @start-percent, @end-color @end-percent); // Opera 12
-    background-image: linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
-    background-repeat: repeat-x;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down
-  }
-
-  // Vertical gradient, from top to bottom
-  //
-  // Creates two color stops, start and end, by specifying a color and position for each color stop.
-  // Color stops are not available in IE9 and below.
-  .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
-    background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Safari 5.1-6, Chrome 10+
-    background-image: -o-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Opera 12
-    background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
-    background-repeat: repeat-x;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down
-  }
-
-  .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {
-    background-repeat: repeat-x;
-    background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+
-    background-image: -o-linear-gradient(@deg, @start-color, @end-color); // Opera 12
-    background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
-  }
-  .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
-    background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
-    background-image: -o-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
-    background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);
-    background-repeat: no-repeat;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
-  }
-  .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
-    background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
-    background-image: -o-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
-    background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);
-    background-repeat: no-repeat;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
-  }
-  .radial(@inner-color: #555; @outer-color: #333) {
-    background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);
-    background-image: radial-gradient(circle, @inner-color, @outer-color);
-    background-repeat: no-repeat;
-  }
-  .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {
-    background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
-    background-image: -o-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
-    background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid-framework.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid-framework.less
deleted file mode 100644
index f3b3929d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid-framework.less
+++ /dev/null
@@ -1,91 +0,0 @@
-// Framework grid generation
-//
-// Used only by Bootstrap to generate the correct number of grid classes given
-// any value of `@grid-columns`.
-
-.make-grid-columns() {
-  // Common styles for all sizes of grid columns, widths 1-12
-  .col(@index) { // initial
-    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
-    .col((@index + 1), @item);
-  }
-  .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo
-    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
-    .col((@index + 1), ~"@{list}, @{item}");
-  }
-  .col(@index, @list) when (@index > @grid-columns) { // terminal
-    @{list} {
-      position: relative;
-      // Prevent columns from collapsing when empty
-      min-height: 1px;
-      // Inner gutter via padding
-      padding-left:  (@grid-gutter-width / 2);
-      padding-right: (@grid-gutter-width / 2);
-    }
-  }
-  .col(1); // kickstart it
-}
-
-.float-grid-columns(@class) {
-  .col(@index) { // initial
-    @item: ~".col-@{class}-@{index}";
-    .col((@index + 1), @item);
-  }
-  .col(@index, @list) when (@index =< @grid-columns) { // general
-    @item: ~".col-@{class}-@{index}";
-    .col((@index + 1), ~"@{list}, @{item}");
-  }
-  .col(@index, @list) when (@index > @grid-columns) { // terminal
-    @{list} {
-      float: left;
-    }
-  }
-  .col(1); // kickstart it
-}
-
-.calc-grid-column(@index, @class, @type) when (@type = width) and (@index > 0) {
-  .col-@{class}-@{index} {
-    width: percentage((@index / @grid-columns));
-  }
-}
-.calc-grid-column(@index, @class, @type) when (@type = push) and (@index > 0) {
-  .col-@{class}-push-@{index} {
-    left: percentage((@index / @grid-columns));
-  }
-}
-.calc-grid-column(@index, @class, @type) when (@type = push) and (@index = 0) {
-  .col-@{class}-push-0 {
-    left: auto;
-  }
-}
-.calc-grid-column(@index, @class, @type) when (@type = pull) and (@index > 0) {
-  .col-@{class}-pull-@{index} {
-    right: percentage((@index / @grid-columns));
-  }
-}
-.calc-grid-column(@index, @class, @type) when (@type = pull) and (@index = 0) {
-  .col-@{class}-pull-0 {
-    right: auto;
-  }
-}
-.calc-grid-column(@index, @class, @type) when (@type = offset) {
-  .col-@{class}-offset-@{index} {
-    margin-left: percentage((@index / @grid-columns));
-  }
-}
-
-// Basic looping in LESS
-.loop-grid-columns(@index, @class, @type) when (@index >= 0) {
-  .calc-grid-column(@index, @class, @type);
-  // next iteration
-  .loop-grid-columns((@index - 1), @class, @type);
-}
-
-// Create grid for specific class
-.make-grid(@class) {
-  .float-grid-columns(@class);
-  .loop-grid-columns(@grid-columns, @class, width);
-  .loop-grid-columns(@grid-columns, @class, pull);
-  .loop-grid-columns(@grid-columns, @class, push);
-  .loop-grid-columns(@grid-columns, @class, offset);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid.less
deleted file mode 100644
index cae5eaff..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/grid.less
+++ /dev/null
@@ -1,122 +0,0 @@
-// Grid system
-//
-// Generate semantic grid columns with these mixins.
-
-// Centered container element
-.container-fixed(@gutter: @grid-gutter-width) {
-  margin-right: auto;
-  margin-left: auto;
-  padding-left:  (@gutter / 2);
-  padding-right: (@gutter / 2);
-  &:extend(.clearfix all);
-}
-
-// Creates a wrapper for a series of columns
-.make-row(@gutter: @grid-gutter-width) {
-  margin-left:  (@gutter / -2);
-  margin-right: (@gutter / -2);
-  &:extend(.clearfix all);
-}
-
-// Generate the extra small columns
-.make-xs-column(@columns; @gutter: @grid-gutter-width) {
-  position: relative;
-  float: left;
-  width: percentage((@columns / @grid-columns));
-  min-height: 1px;
-  padding-left:  (@gutter / 2);
-  padding-right: (@gutter / 2);
-}
-.make-xs-column-offset(@columns) {
-  margin-left: percentage((@columns / @grid-columns));
-}
-.make-xs-column-push(@columns) {
-  left: percentage((@columns / @grid-columns));
-}
-.make-xs-column-pull(@columns) {
-  right: percentage((@columns / @grid-columns));
-}
-
-// Generate the small columns
-.make-sm-column(@columns; @gutter: @grid-gutter-width) {
-  position: relative;
-  min-height: 1px;
-  padding-left:  (@gutter / 2);
-  padding-right: (@gutter / 2);
-
-  @media (min-width: @screen-sm-min) {
-    float: left;
-    width: percentage((@columns / @grid-columns));
-  }
-}
-.make-sm-column-offset(@columns) {
-  @media (min-width: @screen-sm-min) {
-    margin-left: percentage((@columns / @grid-columns));
-  }
-}
-.make-sm-column-push(@columns) {
-  @media (min-width: @screen-sm-min) {
-    left: percentage((@columns / @grid-columns));
-  }
-}
-.make-sm-column-pull(@columns) {
-  @media (min-width: @screen-sm-min) {
-    right: percentage((@columns / @grid-columns));
-  }
-}
-
-// Generate the medium columns
-.make-md-column(@columns; @gutter: @grid-gutter-width) {
-  position: relative;
-  min-height: 1px;
-  padding-left:  (@gutter / 2);
-  padding-right: (@gutter / 2);
-
-  @media (min-width: @screen-md-min) {
-    float: left;
-    width: percentage((@columns / @grid-columns));
-  }
-}
-.make-md-column-offset(@columns) {
-  @media (min-width: @screen-md-min) {
-    margin-left: percentage((@columns / @grid-columns));
-  }
-}
-.make-md-column-push(@columns) {
-  @media (min-width: @screen-md-min) {
-    left: percentage((@columns / @grid-columns));
-  }
-}
-.make-md-column-pull(@columns) {
-  @media (min-width: @screen-md-min) {
-    right: percentage((@columns / @grid-columns));
-  }
-}
-
-// Generate the large columns
-.make-lg-column(@columns; @gutter: @grid-gutter-width) {
-  position: relative;
-  min-height: 1px;
-  padding-left:  (@gutter / 2);
-  padding-right: (@gutter / 2);
-
-  @media (min-width: @screen-lg-min) {
-    float: left;
-    width: percentage((@columns / @grid-columns));
-  }
-}
-.make-lg-column-offset(@columns) {
-  @media (min-width: @screen-lg-min) {
-    margin-left: percentage((@columns / @grid-columns));
-  }
-}
-.make-lg-column-push(@columns) {
-  @media (min-width: @screen-lg-min) {
-    left: percentage((@columns / @grid-columns));
-  }
-}
-.make-lg-column-pull(@columns) {
-  @media (min-width: @screen-lg-min) {
-    right: percentage((@columns / @grid-columns));
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/hide-text.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/hide-text.less
deleted file mode 100644
index c2315e57..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/hide-text.less
+++ /dev/null
@@ -1,21 +0,0 @@
-// CSS image replacement
-//
-// Heads up! v3 launched with with only `.hide-text()`, but per our pattern for
-// mixins being reused as classes with the same name, this doesn't hold up. As
-// of v3.0.1 we have added `.text-hide()` and deprecated `.hide-text()`.
-//
-// Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
-
-// Deprecated as of v3.0.1 (will be removed in v4)
-.hide-text() {
-  font: ~"0/0" a;
-  color: transparent;
-  text-shadow: none;
-  background-color: transparent;
-  border: 0;
-}
-
-// New mixin to use as of v3.0.1
-.text-hide() {
-  .hide-text();
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/image.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/image.less
deleted file mode 100644
index f233cb3e..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/image.less
+++ /dev/null
@@ -1,33 +0,0 @@
-// Image Mixins
-// - Responsive image
-// - Retina image
-
-
-// Responsive image
-//
-// Keep images from scaling beyond the width of their parents.
-.img-responsive(@display: block) {
-  display: @display;
-  max-width: 100%; // Part 1: Set a maximum relative to the parent
-  height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
-}
-
-
-// Retina image
-//
-// Short retina mixin for setting background-image and -size. Note that the
-// spelling of `min--moz-device-pixel-ratio` is intentional.
-.img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {
-  background-image: url("@{file-1x}");
-
-  @media
-  only screen and (-webkit-min-device-pixel-ratio: 2),
-  only screen and (   min--moz-device-pixel-ratio: 2),
-  only screen and (     -o-min-device-pixel-ratio: 2/1),
-  only screen and (        min-device-pixel-ratio: 2),
-  only screen and (                min-resolution: 192dpi),
-  only screen and (                min-resolution: 2dppx) {
-    background-image: url("@{file-2x}");
-    background-size: @width-1x @height-1x;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/labels.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/labels.less
deleted file mode 100644
index 9f7a67ee..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/labels.less
+++ /dev/null
@@ -1,12 +0,0 @@
-// Labels
-
-.label-variant(@color) {
-  background-color: @color;
-
-  &[href] {
-    &:hover,
-    &:focus {
-      background-color: darken(@color, 10%);
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/list-group.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/list-group.less
deleted file mode 100644
index 8b5b065c..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/list-group.less
+++ /dev/null
@@ -1,29 +0,0 @@
-// List Groups
-
-.list-group-item-variant(@state; @background; @color) {
-  .list-group-item-@{state} {
-    color: @color;
-    background-color: @background;
-
-    a& {
-      color: @color;
-
-      .list-group-item-heading {
-        color: inherit;
-      }
-
-      &:hover,
-      &:focus {
-        color: @color;
-        background-color: darken(@background, 5%);
-      }
-      &.active,
-      &.active:hover,
-      &.active:focus {
-        color: #fff;
-        background-color: @color;
-        border-color: @color;
-      }
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-divider.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-divider.less
deleted file mode 100644
index feb1e9ed..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-divider.less
+++ /dev/null
@@ -1,10 +0,0 @@
-// Horizontal dividers
-//
-// Dividers (basically an hr) within dropdowns and nav lists
-
-.nav-divider(@color: #e5e5e5) {
-  height: 1px;
-  margin: ((@line-height-computed / 2) - 1) 0;
-  overflow: hidden;
-  background-color: @color;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-vertical-align.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-vertical-align.less
deleted file mode 100644
index d458c786..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/nav-vertical-align.less
+++ /dev/null
@@ -1,9 +0,0 @@
-// Navbar vertical align
-//
-// Vertically center elements in the navbar.
-// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
-
-.navbar-vertical-align(@element-height) {
-  margin-top: ((@navbar-height - @element-height) / 2);
-  margin-bottom: ((@navbar-height - @element-height) / 2);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/opacity.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/opacity.less
deleted file mode 100644
index 33ed25ce..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/opacity.less
+++ /dev/null
@@ -1,8 +0,0 @@
-// Opacity
-
-.opacity(@opacity) {
-  opacity: @opacity;
-  // IE8 filter
-  @opacity-ie: (@opacity * 100);
-  filter: ~"alpha(opacity=@{opacity-ie})";
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/pagination.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/pagination.less
deleted file mode 100644
index 7deb505d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/pagination.less
+++ /dev/null
@@ -1,23 +0,0 @@
-// Pagination
-
-.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {
-  > li {
-    > a,
-    > span {
-      padding: @padding-vertical @padding-horizontal;
-      font-size: @font-size;
-    }
-    &:first-child {
-      > a,
-      > span {
-        .border-left-radius(@border-radius);
-      }
-    }
-    &:last-child {
-      > a,
-      > span {
-        .border-right-radius(@border-radius);
-      }
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/panels.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/panels.less
deleted file mode 100644
index 49ee10d4..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/panels.less
+++ /dev/null
@@ -1,24 +0,0 @@
-// Panels
-
-.panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) {
-  border-color: @border;
-
-  & > .panel-heading {
-    color: @heading-text-color;
-    background-color: @heading-bg-color;
-    border-color: @heading-border;
-
-    + .panel-collapse > .panel-body {
-      border-top-color: @border;
-    }
-    .badge {
-      color: @heading-bg-color;
-      background-color: @heading-text-color;
-    }
-  }
-  & > .panel-footer {
-    + .panel-collapse > .panel-body {
-      border-bottom-color: @border;
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/progress-bar.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/progress-bar.less
deleted file mode 100644
index f07996a3..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/progress-bar.less
+++ /dev/null
@@ -1,10 +0,0 @@
-// Progress bars
-
-.progress-bar-variant(@color) {
-  background-color: @color;
-
-  // Deprecated parent class requirement as of v3.2.0
-  .progress-striped & {
-    #gradient > .striped();
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/reset-filter.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/reset-filter.less
deleted file mode 100644
index 68cdb5e1..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/reset-filter.less
+++ /dev/null
@@ -1,8 +0,0 @@
-// Reset filters for IE
-//
-// When you need to remove a gradient background, do not forget to use this to reset
-// the IE filter for IE9 and below.
-
-.reset-filter() {
-  filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/resize.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/resize.less
deleted file mode 100644
index 3acd3afd..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/resize.less
+++ /dev/null
@@ -1,6 +0,0 @@
-// Resize anything
-
-.resizable(@direction) {
-  resize: @direction; // Options: horizontal, vertical, both
-  overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/responsive-visibility.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/responsive-visibility.less
deleted file mode 100644
index f7951c3d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/responsive-visibility.less
+++ /dev/null
@@ -1,15 +0,0 @@
-// Responsive utilities
-
-//
-// More easily include all the states for responsive-utilities.less.
-.responsive-visibility() {
-  display: block !important;
-  table&  { display: table; }
-  tr&     { display: table-row !important; }
-  th&,
-  td&     { display: table-cell !important; }
-}
-
-.responsive-invisibility() {
-  display: none !important;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/size.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/size.less
deleted file mode 100644
index a8be6508..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/size.less
+++ /dev/null
@@ -1,10 +0,0 @@
-// Sizing shortcuts
-
-.size(@width; @height) {
-  width: @width;
-  height: @height;
-}
-
-.square(@size) {
-  .size(@size; @size);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/tab-focus.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/tab-focus.less
deleted file mode 100644
index 1f1f05ab..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/tab-focus.less
+++ /dev/null
@@ -1,9 +0,0 @@
-// WebKit-style focus
-
-.tab-focus() {
-  // Default
-  outline: thin dotted;
-  // WebKit
-  outline: 5px auto -webkit-focus-ring-color;
-  outline-offset: -2px;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/table-row.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/table-row.less
deleted file mode 100644
index 0f287f1a..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/table-row.less
+++ /dev/null
@@ -1,28 +0,0 @@
-// Tables
-
-.table-row-variant(@state; @background) {
-  // Exact selectors below required to override `.table-striped` and prevent
-  // inheritance to nested tables.
-  .table > thead > tr,
-  .table > tbody > tr,
-  .table > tfoot > tr {
-    > td.@{state},
-    > th.@{state},
-    &.@{state} > td,
-    &.@{state} > th {
-      background-color: @background;
-    }
-  }
-
-  // Hover states for `.table-hover`
-  // Note: this is not available for cells or rows within `thead` or `tfoot`.
-  .table-hover > tbody > tr {
-    > td.@{state}:hover,
-    > th.@{state}:hover,
-    &.@{state}:hover > td,
-    &:hover > .@{state},
-    &.@{state}:hover > th {
-      background-color: darken(@background, 5%);
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-emphasis.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-emphasis.less
deleted file mode 100644
index 0868ef9f..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-emphasis.less
+++ /dev/null
@@ -1,8 +0,0 @@
-// Typography
-
-.text-emphasis-variant(@color) {
-  color: @color;
-  a&:hover {
-    color: darken(@color, 10%);
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-overflow.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-overflow.less
deleted file mode 100644
index c11ad2fb..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/text-overflow.less
+++ /dev/null
@@ -1,8 +0,0 @@
-// Text overflow
-// Requires inline-block or block for proper styling
-
-.text-overflow() {
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/mixins/vendor-prefixes.less b/third_party/fmt-9.1.0/doc/bootstrap/mixins/vendor-prefixes.less
deleted file mode 100644
index afd3331c..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/mixins/vendor-prefixes.less
+++ /dev/null
@@ -1,227 +0,0 @@
-// Vendor Prefixes
-//
-// All vendor mixins are deprecated as of v3.2.0 due to the introduction of
-// Autoprefixer in our Gruntfile. They will be removed in v4.
-
-// - Animations
-// - Backface visibility
-// - Box shadow
-// - Box sizing
-// - Content columns
-// - Hyphens
-// - Placeholder text
-// - Transformations
-// - Transitions
-// - User Select
-
-
-// Animations
-.animation(@animation) {
-  -webkit-animation: @animation;
-       -o-animation: @animation;
-          animation: @animation;
-}
-.animation-name(@name) {
-  -webkit-animation-name: @name;
-          animation-name: @name;
-}
-.animation-duration(@duration) {
-  -webkit-animation-duration: @duration;
-          animation-duration: @duration;
-}
-.animation-timing-function(@timing-function) {
-  -webkit-animation-timing-function: @timing-function;
-          animation-timing-function: @timing-function;
-}
-.animation-delay(@delay) {
-  -webkit-animation-delay: @delay;
-          animation-delay: @delay;
-}
-.animation-iteration-count(@iteration-count) {
-  -webkit-animation-iteration-count: @iteration-count;
-          animation-iteration-count: @iteration-count;
-}
-.animation-direction(@direction) {
-  -webkit-animation-direction: @direction;
-          animation-direction: @direction;
-}
-.animation-fill-mode(@fill-mode) {
-  -webkit-animation-fill-mode: @fill-mode;
-          animation-fill-mode: @fill-mode;
-}
-
-// Backface visibility
-// Prevent browsers from flickering when using CSS 3D transforms.
-// Default value is `visible`, but can be changed to `hidden`
-
-.backface-visibility(@visibility){
-  -webkit-backface-visibility: @visibility;
-     -moz-backface-visibility: @visibility;
-          backface-visibility: @visibility;
-}
-
-// Drop shadows
-//
-// Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's
-// supported browsers that have box shadow capabilities now support it.
-
-.box-shadow(@shadow) {
-  -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
-          box-shadow: @shadow;
-}
-
-// Box sizing
-.box-sizing(@boxmodel) {
-  -webkit-box-sizing: @boxmodel;
-     -moz-box-sizing: @boxmodel;
-          box-sizing: @boxmodel;
-}
-
-// CSS3 Content Columns
-.content-columns(@column-count; @column-gap: @grid-gutter-width) {
-  -webkit-column-count: @column-count;
-     -moz-column-count: @column-count;
-          column-count: @column-count;
-  -webkit-column-gap: @column-gap;
-     -moz-column-gap: @column-gap;
-          column-gap: @column-gap;
-}
-
-// Optional hyphenation
-.hyphens(@mode: auto) {
-  word-wrap: break-word;
-  -webkit-hyphens: @mode;
-     -moz-hyphens: @mode;
-      -ms-hyphens: @mode; // IE10+
-       -o-hyphens: @mode;
-          hyphens: @mode;
-}
-
-// Placeholder text
-.placeholder(@color: @input-color-placeholder) {
-  // Firefox
-  &::-moz-placeholder {
-    color: @color;
-    opacity: 1; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526
-  }
-  &:-ms-input-placeholder { color: @color; } // Internet Explorer 10+
-  &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
-}
-
-// Transformations
-.scale(@ratio) {
-  -webkit-transform: scale(@ratio);
-      -ms-transform: scale(@ratio); // IE9 only
-       -o-transform: scale(@ratio);
-          transform: scale(@ratio);
-}
-.scale(@ratioX; @ratioY) {
-  -webkit-transform: scale(@ratioX, @ratioY);
-      -ms-transform: scale(@ratioX, @ratioY); // IE9 only
-       -o-transform: scale(@ratioX, @ratioY);
-          transform: scale(@ratioX, @ratioY);
-}
-.scaleX(@ratio) {
-  -webkit-transform: scaleX(@ratio);
-      -ms-transform: scaleX(@ratio); // IE9 only
-       -o-transform: scaleX(@ratio);
-          transform: scaleX(@ratio);
-}
-.scaleY(@ratio) {
-  -webkit-transform: scaleY(@ratio);
-      -ms-transform: scaleY(@ratio); // IE9 only
-       -o-transform: scaleY(@ratio);
-          transform: scaleY(@ratio);
-}
-.skew(@x; @y) {
-  -webkit-transform: skewX(@x) skewY(@y);
-      -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
-       -o-transform: skewX(@x) skewY(@y);
-          transform: skewX(@x) skewY(@y);
-}
-.translate(@x; @y) {
-  -webkit-transform: translate(@x, @y);
-      -ms-transform: translate(@x, @y); // IE9 only
-       -o-transform: translate(@x, @y);
-          transform: translate(@x, @y);
-}
-.translate3d(@x; @y; @z) {
-  -webkit-transform: translate3d(@x, @y, @z);
-          transform: translate3d(@x, @y, @z);
-}
-.rotate(@degrees) {
-  -webkit-transform: rotate(@degrees);
-      -ms-transform: rotate(@degrees); // IE9 only
-       -o-transform: rotate(@degrees);
-          transform: rotate(@degrees);
-}
-.rotateX(@degrees) {
-  -webkit-transform: rotateX(@degrees);
-      -ms-transform: rotateX(@degrees); // IE9 only
-       -o-transform: rotateX(@degrees);
-          transform: rotateX(@degrees);
-}
-.rotateY(@degrees) {
-  -webkit-transform: rotateY(@degrees);
-      -ms-transform: rotateY(@degrees); // IE9 only
-       -o-transform: rotateY(@degrees);
-          transform: rotateY(@degrees);
-}
-.perspective(@perspective) {
-  -webkit-perspective: @perspective;
-     -moz-perspective: @perspective;
-          perspective: @perspective;
-}
-.perspective-origin(@perspective) {
-  -webkit-perspective-origin: @perspective;
-     -moz-perspective-origin: @perspective;
-          perspective-origin: @perspective;
-}
-.transform-origin(@origin) {
-  -webkit-transform-origin: @origin;
-     -moz-transform-origin: @origin;
-      -ms-transform-origin: @origin; // IE9 only
-          transform-origin: @origin;
-}
-
-
-// Transitions
-
-.transition(@transition) {
-  -webkit-transition: @transition;
-       -o-transition: @transition;
-          transition: @transition;
-}
-.transition-property(@transition-property) {
-  -webkit-transition-property: @transition-property;
-          transition-property: @transition-property;
-}
-.transition-delay(@transition-delay) {
-  -webkit-transition-delay: @transition-delay;
-          transition-delay: @transition-delay;
-}
-.transition-duration(@transition-duration) {
-  -webkit-transition-duration: @transition-duration;
-          transition-duration: @transition-duration;
-}
-.transition-timing-function(@timing-function) {
-  -webkit-transition-timing-function: @timing-function;
-          transition-timing-function: @timing-function;
-}
-.transition-transform(@transition) {
-  -webkit-transition: -webkit-transform @transition;
-     -moz-transition: -moz-transform @transition;
-       -o-transition: -o-transform @transition;
-          transition: transform @transition;
-}
-
-
-// User select
-// For selecting text on the page
-
-.user-select(@select) {
-  -webkit-user-select: @select;
-     -moz-user-select: @select;
-      -ms-user-select: @select; // IE10+
-          user-select: @select;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/modals.less b/third_party/fmt-9.1.0/doc/bootstrap/modals.less
deleted file mode 100644
index 1de62205..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/modals.less
+++ /dev/null
@@ -1,150 +0,0 @@
-//
-// Modals
-// --------------------------------------------------
-
-// .modal-open      - body class for killing the scroll
-// .modal           - container to scroll within
-// .modal-dialog    - positioning shell for the actual modal
-// .modal-content   - actual modal w/ bg and corners and shit
-
-// Kill the scroll on the body
-.modal-open {
-  overflow: hidden;
-}
-
-// Container that the modal scrolls within
-.modal {
-  display: none;
-  overflow: hidden;
-  position: fixed;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  z-index: @zindex-modal;
-  -webkit-overflow-scrolling: touch;
-
-  // Prevent Chrome on Windows from adding a focus outline. For details, see
-  // https://github.com/twbs/bootstrap/pull/10951.
-  outline: 0;
-
-  // When fading in the modal, animate it to slide down
-  &.fade .modal-dialog {
-    .translate(0, -25%);
-    .transition-transform(~"0.3s ease-out");
-  }
-  &.in .modal-dialog { .translate(0, 0) }
-}
-.modal-open .modal {
-  overflow-x: hidden;
-  overflow-y: auto;
-}
-
-// Shell div to position the modal with bottom padding
-.modal-dialog {
-  position: relative;
-  width: auto;
-  margin: 10px;
-}
-
-// Actual modal
-.modal-content {
-  position: relative;
-  background-color: @modal-content-bg;
-  border: 1px solid @modal-content-fallback-border-color; //old browsers fallback (ie8 etc)
-  border: 1px solid @modal-content-border-color;
-  border-radius: @border-radius-large;
-  .box-shadow(0 3px 9px rgba(0,0,0,.5));
-  background-clip: padding-box;
-  // Remove focus outline from opened modal
-  outline: 0;
-}
-
-// Modal background
-.modal-backdrop {
-  position: fixed;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  z-index: @zindex-modal-background;
-  background-color: @modal-backdrop-bg;
-  // Fade for backdrop
-  &.fade { .opacity(0); }
-  &.in { .opacity(@modal-backdrop-opacity); }
-}
-
-// Modal header
-// Top section of the modal w/ title and dismiss
-.modal-header {
-  padding: @modal-title-padding;
-  border-bottom: 1px solid @modal-header-border-color;
-  min-height: (@modal-title-padding + @modal-title-line-height);
-}
-// Close icon
-.modal-header .close {
-  margin-top: -2px;
-}
-
-// Title text within header
-.modal-title {
-  margin: 0;
-  line-height: @modal-title-line-height;
-}
-
-// Modal body
-// Where all modal content resides (sibling of .modal-header and .modal-footer)
-.modal-body {
-  position: relative;
-  padding: @modal-inner-padding;
-}
-
-// Footer (for actions)
-.modal-footer {
-  padding: @modal-inner-padding;
-  text-align: right; // right align buttons
-  border-top: 1px solid @modal-footer-border-color;
-  &:extend(.clearfix all); // clear it in case folks use .pull-* classes on buttons
-
-  // Properly space out buttons
-  .btn + .btn {
-    margin-left: 5px;
-    margin-bottom: 0; // account for input[type="submit"] which gets the bottom margin like all other inputs
-  }
-  // but override that for button groups
-  .btn-group .btn + .btn {
-    margin-left: -1px;
-  }
-  // and override it for block buttons as well
-  .btn-block + .btn-block {
-    margin-left: 0;
-  }
-}
-
-// Measure scrollbar width for padding body during modal show/hide
-.modal-scrollbar-measure {
-  position: absolute;
-  top: -9999px;
-  width: 50px;
-  height: 50px;
-  overflow: scroll;
-}
-
-// Scale up the modal
-@media (min-width: @screen-sm-min) {
-  // Automatically set modal's width for larger viewports
-  .modal-dialog {
-    width: @modal-md;
-    margin: 30px auto;
-  }
-  .modal-content {
-    .box-shadow(0 5px 15px rgba(0,0,0,.5));
-  }
-
-  // Modal sizes
-  .modal-sm { width: @modal-sm; }
-}
-
-@media (min-width: @screen-md-min) {
-  .modal-lg { width: @modal-lg; }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/navbar.less b/third_party/fmt-9.1.0/doc/bootstrap/navbar.less
deleted file mode 100644
index 03f4e2ac..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/navbar.less
+++ /dev/null
@@ -1,660 +0,0 @@
-//
-// Navbars
-// --------------------------------------------------
-
-
-// Wrapper and base class
-//
-// Provide a static navbar from which we expand to create full-width, fixed, and
-// other navbar variations.
-
-.navbar {
-  position: relative;
-  min-height: @navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)
-  margin-bottom: @navbar-margin-bottom;
-  border: 1px solid transparent;
-
-  // Prevent floats from breaking the navbar
-  &:extend(.clearfix all);
-
-  @media (min-width: @grid-float-breakpoint) {
-    border-radius: @navbar-border-radius;
-  }
-}
-
-
-// Navbar heading
-//
-// Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy
-// styling of responsive aspects.
-
-.navbar-header {
-  &:extend(.clearfix all);
-
-  @media (min-width: @grid-float-breakpoint) {
-    float: left;
-  }
-}
-
-
-// Navbar collapse (body)
-//
-// Group your navbar content into this for easy collapsing and expanding across
-// various device sizes. By default, this content is collapsed when <768px, but
-// will expand past that for a horizontal display.
-//
-// To start (on mobile devices) the navbar links, forms, and buttons are stacked
-// vertically and include a `max-height` to overflow in case you have too much
-// content for the user's viewport.
-
-.navbar-collapse {
-  overflow-x: visible;
-  padding-right: @navbar-padding-horizontal;
-  padding-left:  @navbar-padding-horizontal;
-  border-top: 1px solid transparent;
-  box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
-  &:extend(.clearfix all);
-  -webkit-overflow-scrolling: touch;
-
-  &.in {
-    overflow-y: auto;
-  }
-
-  @media (min-width: @grid-float-breakpoint) {
-    width: auto;
-    border-top: 0;
-    box-shadow: none;
-
-    &.collapse {
-      display: block !important;
-      height: auto !important;
-      padding-bottom: 0; // Override default setting
-      overflow: visible !important;
-    }
-
-    &.in {
-      overflow-y: visible;
-    }
-
-    // Undo the collapse side padding for navbars with containers to ensure
-    // alignment of right-aligned contents.
-    .navbar-fixed-top &,
-    .navbar-static-top &,
-    .navbar-fixed-bottom & {
-      padding-left: 0;
-      padding-right: 0;
-    }
-  }
-}
-
-.navbar-fixed-top,
-.navbar-fixed-bottom {
-  .navbar-collapse {
-    max-height: @navbar-collapse-max-height;
-
-    @media (max-device-width: @screen-xs-min) and (orientation: landscape) {
-      max-height: 200px;
-    }
-  }
-}
-
-
-// Both navbar header and collapse
-//
-// When a container is present, change the behavior of the header and collapse.
-
-.tb-container,
-.container-fluid {
-  > .navbar-header,
-  > .navbar-collapse {
-    margin-right: -@navbar-padding-horizontal;
-    margin-left:  -@navbar-padding-horizontal;
-
-    @media (min-width: @grid-float-breakpoint) {
-      margin-right: 0;
-      margin-left:  0;
-    }
-  }
-}
-
-
-//
-// Navbar alignment options
-//
-// Display the navbar across the entirety of the page or fixed it to the top or
-// bottom of the page.
-
-// Static top (unfixed, but 100% wide) navbar
-.navbar-static-top {
-  z-index: @zindex-navbar;
-  border-width: 0 0 1px;
-
-  @media (min-width: @grid-float-breakpoint) {
-    border-radius: 0;
-  }
-}
-
-// Fix the top/bottom navbars when screen real estate supports it
-.navbar-fixed-top,
-.navbar-fixed-bottom {
-  position: fixed;
-  right: 0;
-  left: 0;
-  z-index: @zindex-navbar-fixed;
-
-  // Undo the rounded corners
-  @media (min-width: @grid-float-breakpoint) {
-    border-radius: 0;
-  }
-}
-.navbar-fixed-top {
-  top: 0;
-  border-width: 0 0 1px;
-}
-.navbar-fixed-bottom {
-  bottom: 0;
-  margin-bottom: 0; // override .navbar defaults
-  border-width: 1px 0 0;
-}
-
-
-// Brand/project name
-
-.navbar-brand {
-  float: left;
-  padding: @navbar-padding-vertical @navbar-padding-horizontal;
-  font-size: @font-size-large;
-  line-height: @line-height-computed;
-  height: @navbar-height;
-
-  &:hover,
-  &:focus {
-    text-decoration: none;
-  }
-
-  > img {
-    display: block;
-  }
-
-  @media (min-width: @grid-float-breakpoint) {
-    .navbar > .tb-container &,
-    .navbar > .container-fluid & {
-      margin-left: -@navbar-padding-horizontal;
-    }
-  }
-}
-
-
-// Navbar toggle
-//
-// Custom button for toggling the `.navbar-collapse`, powered by the collapse
-// JavaScript plugin.
-
-.navbar-toggle {
-  position: relative;
-  float: right;
-  margin-right: @navbar-padding-horizontal;
-  padding: 9px 10px;
-  .navbar-vertical-align(34px);
-  background-color: transparent;
-  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
-  border: 1px solid transparent;
-  border-radius: @border-radius-base;
-
-  // We remove the `outline` here, but later compensate by attaching `:hover`
-  // styles to `:focus`.
-  &:focus {
-    outline: 0;
-  }
-
-  // Bars
-  .icon-bar {
-    display: block;
-    width: 22px;
-    height: 2px;
-    border-radius: 1px;
-  }
-  .icon-bar + .icon-bar {
-    margin-top: 4px;
-  }
-
-  @media (min-width: @grid-float-breakpoint) {
-    display: none;
-  }
-}
-
-
-// Navbar nav links
-//
-// Builds on top of the `.nav` components with its own modifier class to make
-// the nav the full height of the horizontal nav (above 768px).
-
-.navbar-nav {
-  margin: (@navbar-padding-vertical / 2) -@navbar-padding-horizontal;
-
-  > li > a {
-    padding-top:    10px;
-    padding-bottom: 10px;
-    line-height: @line-height-computed;
-  }
-
-  @media (max-width: @grid-float-breakpoint-max) {
-    // Dropdowns get custom display when collapsed
-    .open .dropdown-menu {
-      position: static;
-      float: none;
-      width: auto;
-      margin-top: 0;
-      background-color: transparent;
-      border: 0;
-      box-shadow: none;
-      > li > a,
-      .dropdown-header {
-        padding: 5px 15px 5px 25px;
-      }
-      > li > a {
-        line-height: @line-height-computed;
-        &:hover,
-        &:focus {
-          background-image: none;
-        }
-      }
-    }
-  }
-
-  // Uncollapse the nav
-  @media (min-width: @grid-float-breakpoint) {
-    float: left;
-    margin: 0;
-
-    > li {
-      float: left;
-      > a {
-        padding-top:    @navbar-padding-vertical;
-        padding-bottom: @navbar-padding-vertical;
-      }
-    }
-  }
-}
-
-
-// Navbar form
-//
-// Extension of the `.form-inline` with some extra flavor for optimum display in
-// our navbars.
-
-.navbar-form {
-  margin-left: -@navbar-padding-horizontal;
-  margin-right: -@navbar-padding-horizontal;
-  padding: 10px @navbar-padding-horizontal;
-  border-top: 1px solid transparent;
-  border-bottom: 1px solid transparent;
-  @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
-  .box-shadow(@shadow);
-
-  // Mixin behavior for optimum display
-  .form-inline();
-
-  .form-group {
-    @media (max-width: @grid-float-breakpoint-max) {
-      margin-bottom: 5px;
-
-      &:last-child {
-        margin-bottom: 0;
-      }
-    }
-  }
-
-  // Vertically center in expanded, horizontal navbar
-  .navbar-vertical-align(@input-height-base);
-
-  // Undo 100% width for pull classes
-  @media (min-width: @grid-float-breakpoint) {
-    width: auto;
-    border: 0;
-    margin-left: 0;
-    margin-right: 0;
-    padding-top: 0;
-    padding-bottom: 0;
-    .box-shadow(none);
-  }
-}
-
-
-// Dropdown menus
-
-// Menu position and menu carets
-.navbar-nav > li > .dropdown-menu {
-  margin-top: 0;
-  .border-top-radius(0);
-}
-// Menu position and menu caret support for dropups via extra dropup class
-.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
-  margin-bottom: 0;
-  .border-top-radius(@navbar-border-radius);
-  .border-bottom-radius(0);
-}
-
-
-// Buttons in navbars
-//
-// Vertically center a button within a navbar (when *not* in a form).
-
-.navbar-btn {
-  .navbar-vertical-align(@input-height-base);
-
-  &.btn-sm {
-    .navbar-vertical-align(@input-height-small);
-  }
-  &.btn-xs {
-    .navbar-vertical-align(22);
-  }
-}
-
-
-// Text in navbars
-//
-// Add a class to make any element properly align itself vertically within the navbars.
-
-.navbar-text {
-  .navbar-vertical-align(@line-height-computed);
-
-  @media (min-width: @grid-float-breakpoint) {
-    float: left;
-    margin-left: @navbar-padding-horizontal;
-    margin-right: @navbar-padding-horizontal;
-  }
-}
-
-
-// Component alignment
-//
-// Repurpose the pull utilities as their own navbar utilities to avoid specificity
-// issues with parents and chaining. Only do this when the navbar is uncollapsed
-// though so that navbar contents properly stack and align in mobile.
-//
-// Declared after the navbar components to ensure more specificity on the margins.
-
-@media (min-width: @grid-float-breakpoint) {
-  .navbar-left  { .pull-left(); }
-  .navbar-right {
-    .pull-right();
-    margin-right: -@navbar-padding-horizontal;
-
-    ~ .navbar-right {
-      margin-right: 0;
-    }
-  }
-}
-
-
-// Alternate navbars
-// --------------------------------------------------
-
-// Default navbar
-.navbar-default {
-  background-color: @navbar-default-bg;
-  border-color: @navbar-default-border;
-
-  .navbar-brand {
-    color: @navbar-default-brand-color;
-    &:hover,
-    &:focus {
-      color: @navbar-default-brand-hover-color;
-      background-color: @navbar-default-brand-hover-bg;
-    }
-  }
-
-  .navbar-text {
-    color: @navbar-default-color;
-  }
-
-  .navbar-nav {
-    > li > a {
-      color: @navbar-default-link-color;
-
-      &:hover,
-      &:focus {
-        color: @navbar-default-link-hover-color;
-        background-color: @navbar-default-link-hover-bg;
-      }
-    }
-    > .active > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @navbar-default-link-active-color;
-        background-color: @navbar-default-link-active-bg;
-      }
-    }
-    > .disabled > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @navbar-default-link-disabled-color;
-        background-color: @navbar-default-link-disabled-bg;
-      }
-    }
-  }
-
-  .navbar-toggle {
-    border-color: @navbar-default-toggle-border-color;
-    &:hover,
-    &:focus {
-      background-color: @navbar-default-toggle-hover-bg;
-    }
-    .icon-bar {
-      background-color: @navbar-default-toggle-icon-bar-bg;
-    }
-  }
-
-  .navbar-collapse,
-  .navbar-form {
-    border-color: @navbar-default-border;
-  }
-
-  // Dropdown menu items
-  .navbar-nav {
-    // Remove background color from open dropdown
-    > .open > a {
-      &,
-      &:hover,
-      &:focus {
-        background-color: @navbar-default-link-active-bg;
-        color: @navbar-default-link-active-color;
-      }
-    }
-
-    @media (max-width: @grid-float-breakpoint-max) {
-      // Dropdowns get custom display when collapsed
-      .open .dropdown-menu {
-        > li > a {
-          color: @navbar-default-link-color;
-          &:hover,
-          &:focus {
-            color: @navbar-default-link-hover-color;
-            background-color: @navbar-default-link-hover-bg;
-          }
-        }
-        > .active > a {
-          &,
-          &:hover,
-          &:focus {
-            color: @navbar-default-link-active-color;
-            background-color: @navbar-default-link-active-bg;
-          }
-        }
-        > .disabled > a {
-          &,
-          &:hover,
-          &:focus {
-            color: @navbar-default-link-disabled-color;
-            background-color: @navbar-default-link-disabled-bg;
-          }
-        }
-      }
-    }
-  }
-
-
-  // Links in navbars
-  //
-  // Add a class to ensure links outside the navbar nav are colored correctly.
-
-  .navbar-link {
-    color: @navbar-default-link-color;
-    &:hover {
-      color: @navbar-default-link-hover-color;
-    }
-  }
-
-  .btn-link {
-    color: @navbar-default-link-color;
-    &:hover,
-    &:focus {
-      color: @navbar-default-link-hover-color;
-    }
-    &[disabled],
-    fieldset[disabled] & {
-      &:hover,
-      &:focus {
-        color: @navbar-default-link-disabled-color;
-      }
-    }
-  }
-}
-
-// Inverse navbar
-
-.navbar-inverse {
-  background-color: @navbar-inverse-bg;
-  border-color: @navbar-inverse-border;
-
-  .navbar-brand {
-    color: @navbar-inverse-brand-color;
-    &:hover,
-    &:focus {
-      color: @navbar-inverse-brand-hover-color;
-      background-color: @navbar-inverse-brand-hover-bg;
-    }
-  }
-
-  .navbar-text {
-    color: @navbar-inverse-color;
-  }
-
-  .navbar-nav {
-    > li > a {
-      color: @navbar-inverse-link-color;
-
-      &:hover,
-      &:focus {
-        color: @navbar-inverse-link-hover-color;
-        background-color: @navbar-inverse-link-hover-bg;
-      }
-    }
-    > .active > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @navbar-inverse-link-active-color;
-        background-color: @navbar-inverse-link-active-bg;
-      }
-    }
-    > .disabled > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @navbar-inverse-link-disabled-color;
-        background-color: @navbar-inverse-link-disabled-bg;
-      }
-    }
-  }
-
-  // Darken the responsive nav toggle
-  .navbar-toggle {
-    border-color: @navbar-inverse-toggle-border-color;
-    &:hover,
-    &:focus {
-      background-color: @navbar-inverse-toggle-hover-bg;
-    }
-    .icon-bar {
-      background-color: @navbar-inverse-toggle-icon-bar-bg;
-    }
-  }
-
-  .navbar-collapse,
-  .navbar-form {
-    border-color: darken(@navbar-inverse-bg, 7%);
-  }
-
-  // Dropdowns
-  .navbar-nav {
-    > .open > a {
-      &,
-      &:hover,
-      &:focus {
-        background-color: @navbar-inverse-link-active-bg;
-        color: @navbar-inverse-link-active-color;
-      }
-    }
-
-    @media (max-width: @grid-float-breakpoint-max) {
-      // Dropdowns get custom display
-      .open .dropdown-menu {
-        > .dropdown-header {
-          border-color: @navbar-inverse-border;
-        }
-        .divider {
-          background-color: @navbar-inverse-border;
-        }
-        > li > a {
-          color: @navbar-inverse-link-color;
-          &:hover,
-          &:focus {
-            color: @navbar-inverse-link-hover-color;
-            background-color: @navbar-inverse-link-hover-bg;
-          }
-        }
-        > .active > a {
-          &,
-          &:hover,
-          &:focus {
-            color: @navbar-inverse-link-active-color;
-            background-color: @navbar-inverse-link-active-bg;
-          }
-        }
-        > .disabled > a {
-          &,
-          &:hover,
-          &:focus {
-            color: @navbar-inverse-link-disabled-color;
-            background-color: @navbar-inverse-link-disabled-bg;
-          }
-        }
-      }
-    }
-  }
-
-  .navbar-link {
-    color: @navbar-inverse-link-color;
-    &:hover {
-      color: @navbar-inverse-link-hover-color;
-    }
-  }
-
-  .btn-link {
-    color: @navbar-inverse-link-color;
-    &:hover,
-    &:focus {
-      color: @navbar-inverse-link-hover-color;
-    }
-    &[disabled],
-    fieldset[disabled] & {
-      &:hover,
-      &:focus {
-        color: @navbar-inverse-link-disabled-color;
-      }
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/navs.less b/third_party/fmt-9.1.0/doc/bootstrap/navs.less
deleted file mode 100644
index a3d11b13..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/navs.less
+++ /dev/null
@@ -1,242 +0,0 @@
-//
-// Navs
-// --------------------------------------------------
-
-
-// Base class
-// --------------------------------------------------
-
-.nav {
-  margin-bottom: 0;
-  padding-left: 0; // Override default ul/ol
-  list-style: none;
-  &:extend(.clearfix all);
-
-  > li {
-    position: relative;
-    display: block;
-
-    > a {
-      position: relative;
-      display: block;
-      padding: @nav-link-padding;
-      &:hover,
-      &:focus {
-        text-decoration: none;
-        background-color: @nav-link-hover-bg;
-      }
-    }
-
-    // Disabled state sets text to gray and nukes hover/tab effects
-    &.disabled > a {
-      color: @nav-disabled-link-color;
-
-      &:hover,
-      &:focus {
-        color: @nav-disabled-link-hover-color;
-        text-decoration: none;
-        background-color: transparent;
-        cursor: @cursor-disabled;
-      }
-    }
-  }
-
-  // Open dropdowns
-  .open > a {
-    &,
-    &:hover,
-    &:focus {
-      background-color: @nav-link-hover-bg;
-      border-color: @link-color;
-    }
-  }
-
-  // Nav dividers (deprecated with v3.0.1)
-  //
-  // This should have been removed in v3 with the dropping of `.nav-list`, but
-  // we missed it. We don't currently support this anywhere, but in the interest
-  // of maintaining backward compatibility in case you use it, it's deprecated.
-  .nav-divider {
-    .nav-divider();
-  }
-
-  // Prevent IE8 from misplacing imgs
-  //
-  // See https://github.com/h5bp/html5-boilerplate/issues/984#issuecomment-3985989
-  > li > a > img {
-    max-width: none;
-  }
-}
-
-
-// Tabs
-// -------------------------
-
-// Give the tabs something to sit on
-.nav-tabs {
-  border-bottom: 1px solid @nav-tabs-border-color;
-  > li {
-    float: left;
-    // Make the list-items overlay the bottom border
-    margin-bottom: -1px;
-
-    // Actual tabs (as links)
-    > a {
-      margin-right: 2px;
-      line-height: @line-height-base;
-      border: 1px solid transparent;
-      border-radius: @border-radius-base @border-radius-base 0 0;
-      &:hover {
-        border-color: @nav-tabs-link-hover-border-color @nav-tabs-link-hover-border-color @nav-tabs-border-color;
-      }
-    }
-
-    // Active state, and its :hover to override normal :hover
-    &.active > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @nav-tabs-active-link-hover-color;
-        background-color: @nav-tabs-active-link-hover-bg;
-        border: 1px solid @nav-tabs-active-link-hover-border-color;
-        border-bottom-color: transparent;
-        cursor: default;
-      }
-    }
-  }
-  // pulling this in mainly for less shorthand
-  &.nav-justified {
-    .nav-justified();
-    .nav-tabs-justified();
-  }
-}
-
-
-// Pills
-// -------------------------
-.nav-pills {
-  > li {
-    float: left;
-
-    // Links rendered as pills
-    > a {
-      border-radius: @nav-pills-border-radius;
-    }
-    + li {
-      margin-left: 2px;
-    }
-
-    // Active state
-    &.active > a {
-      &,
-      &:hover,
-      &:focus {
-        color: @nav-pills-active-link-hover-color;
-        background-color: @nav-pills-active-link-hover-bg;
-      }
-    }
-  }
-}
-
-
-// Stacked pills
-.nav-stacked {
-  > li {
-    float: none;
-    + li {
-      margin-top: 2px;
-      margin-left: 0; // no need for this gap between nav items
-    }
-  }
-}
-
-
-// Nav variations
-// --------------------------------------------------
-
-// Justified nav links
-// -------------------------
-
-.nav-justified {
-  width: 100%;
-
-  > li {
-    float: none;
-    > a {
-      text-align: center;
-      margin-bottom: 5px;
-    }
-  }
-
-  > .dropdown .dropdown-menu {
-    top: auto;
-    left: auto;
-  }
-
-  @media (min-width: @screen-sm-min) {
-    > li {
-      display: table-cell;
-      width: 1%;
-      > a {
-        margin-bottom: 0;
-      }
-    }
-  }
-}
-
-// Move borders to anchors instead of bottom of list
-//
-// Mixin for adding on top the shared `.nav-justified` styles for our tabs
-.nav-tabs-justified {
-  border-bottom: 0;
-
-  > li > a {
-    // Override margin from .nav-tabs
-    margin-right: 0;
-    border-radius: @border-radius-base;
-  }
-
-  > .active > a,
-  > .active > a:hover,
-  > .active > a:focus {
-    border: 1px solid @nav-tabs-justified-link-border-color;
-  }
-
-  @media (min-width: @screen-sm-min) {
-    > li > a {
-      border-bottom: 1px solid @nav-tabs-justified-link-border-color;
-      border-radius: @border-radius-base @border-radius-base 0 0;
-    }
-    > .active > a,
-    > .active > a:hover,
-    > .active > a:focus {
-      border-bottom-color: @nav-tabs-justified-active-link-border-color;
-    }
-  }
-}
-
-
-// Tabbable tabs
-// -------------------------
-
-// Hide tabbable panes to start, show them when `.active`
-.tab-content {
-  > .tab-pane {
-    display: none;
-  }
-  > .active {
-    display: block;
-  }
-}
-
-
-// Dropdowns
-// -------------------------
-
-// Specific dropdowns
-.nav-tabs .dropdown-menu {
-  // make dropdown border overlap tab border
-  margin-top: -1px;
-  // Remove the top rounded corners here since there is a hard edge above the menu
-  .border-top-radius(0);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/normalize.less b/third_party/fmt-9.1.0/doc/bootstrap/normalize.less
deleted file mode 100644
index 62a085a4..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/normalize.less
+++ /dev/null
@@ -1,427 +0,0 @@
-/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
-
-//
-// 1. Set default font family to sans-serif.
-// 2. Prevent iOS text size adjust after orientation change, without disabling
-//    user zoom.
-//
-
-html {
-  font-family: sans-serif; // 1
-  -ms-text-size-adjust: 100%; // 2
-  -webkit-text-size-adjust: 100%; // 2
-}
-
-//
-// Remove default margin.
-//
-
-body {
-  margin: 0;
-}
-
-// HTML5 display definitions
-// ==========================================================================
-
-//
-// Correct `block` display not defined for any HTML5 element in IE 8/9.
-// Correct `block` display not defined for `details` or `summary` in IE 10/11
-// and Firefox.
-// Correct `block` display not defined for `main` in IE 11.
-//
-
-article,
-aside,
-details,
-figcaption,
-figure,
-footer,
-header,
-hgroup,
-main,
-menu,
-nav,
-section,
-summary {
-  display: block;
-}
-
-//
-// 1. Correct `inline-block` display not defined in IE 8/9.
-// 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
-//
-
-audio,
-canvas,
-progress,
-video {
-  display: inline-block; // 1
-  vertical-align: baseline; // 2
-}
-
-//
-// Prevent modern browsers from displaying `audio` without controls.
-// Remove excess height in iOS 5 devices.
-//
-
-audio:not([controls]) {
-  display: none;
-  height: 0;
-}
-
-//
-// Address `[hidden]` styling not present in IE 8/9/10.
-// Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
-//
-
-[hidden],
-template {
-  display: none;
-}
-
-// Links
-// ==========================================================================
-
-//
-// Remove the gray background color from active links in IE 10.
-//
-
-a {
-  background-color: transparent;
-}
-
-//
-// Improve readability when focused and also mouse hovered in all browsers.
-//
-
-a:active,
-a:hover {
-  outline: 0;
-}
-
-// Text-level semantics
-// ==========================================================================
-
-//
-// Address styling not present in IE 8/9/10/11, Safari, and Chrome.
-//
-
-abbr[title] {
-  border-bottom: 1px dotted;
-}
-
-//
-// Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
-//
-
-b,
-strong {
-  font-weight: bold;
-}
-
-//
-// Address styling not present in Safari and Chrome.
-//
-
-dfn {
-  font-style: italic;
-}
-
-//
-// Address variable `h1` font-size and margin within `section` and `article`
-// contexts in Firefox 4+, Safari, and Chrome.
-//
-
-h1 {
-  font-size: 2em;
-  margin: 0.67em 0;
-}
-
-//
-// Address styling not present in IE 8/9.
-//
-
-mark {
-  background: #ff0;
-  color: #000;
-}
-
-//
-// Address inconsistent and variable font size in all browsers.
-//
-
-small {
-  font-size: 80%;
-}
-
-//
-// Prevent `sub` and `sup` affecting `line-height` in all browsers.
-//
-
-sub,
-sup {
-  font-size: 75%;
-  line-height: 0;
-  position: relative;
-  vertical-align: baseline;
-}
-
-sup {
-  top: -0.5em;
-}
-
-sub {
-  bottom: -0.25em;
-}
-
-// Embedded content
-// ==========================================================================
-
-//
-// Remove border when inside `a` element in IE 8/9/10.
-//
-
-img {
-  border: 0;
-}
-
-//
-// Correct overflow not hidden in IE 9/10/11.
-//
-
-svg:not(:root) {
-  overflow: hidden;
-}
-
-// Grouping content
-// ==========================================================================
-
-//
-// Address margin not present in IE 8/9 and Safari.
-//
-
-figure {
-  margin: 1em 40px;
-}
-
-//
-// Address differences between Firefox and other browsers.
-//
-
-hr {
-  -moz-box-sizing: content-box;
-  box-sizing: content-box;
-  height: 0;
-}
-
-//
-// Contain overflow in all browsers.
-//
-
-pre {
-  overflow: auto;
-}
-
-//
-// Address odd `em`-unit font size rendering in all browsers.
-//
-
-code,
-kbd,
-pre,
-samp {
-  font-family: monospace, monospace;
-  font-size: 1em;
-}
-
-// Forms
-// ==========================================================================
-
-//
-// Known limitation: by default, Chrome and Safari on OS X allow very limited
-// styling of `select`, unless a `border` property is set.
-//
-
-//
-// 1. Correct color not being inherited.
-//    Known issue: affects color of disabled elements.
-// 2. Correct font properties not being inherited.
-// 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
-//
-
-button,
-input,
-optgroup,
-select,
-textarea {
-  color: inherit; // 1
-  font: inherit; // 2
-  margin: 0; // 3
-}
-
-//
-// Address `overflow` set to `hidden` in IE 8/9/10/11.
-//
-
-button {
-  overflow: visible;
-}
-
-//
-// Address inconsistent `text-transform` inheritance for `button` and `select`.
-// All other form control elements do not inherit `text-transform` values.
-// Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
-// Correct `select` style inheritance in Firefox.
-//
-
-button,
-select {
-  text-transform: none;
-}
-
-//
-// 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
-//    and `video` controls.
-// 2. Correct inability to style clickable `input` types in iOS.
-// 3. Improve usability and consistency of cursor style between image-type
-//    `input` and others.
-//
-
-button,
-html input[type="button"], // 1
-input[type="reset"],
-input[type="submit"] {
-  -webkit-appearance: button; // 2
-  cursor: pointer; // 3
-}
-
-//
-// Re-set default cursor for disabled elements.
-//
-
-button[disabled],
-html input[disabled] {
-  cursor: default;
-}
-
-//
-// Remove inner padding and border in Firefox 4+.
-//
-
-button::-moz-focus-inner,
-input::-moz-focus-inner {
-  border: 0;
-  padding: 0;
-}
-
-//
-// Address Firefox 4+ setting `line-height` on `input` using `!important` in
-// the UA stylesheet.
-//
-
-input {
-  line-height: normal;
-}
-
-//
-// It's recommended that you don't attempt to style these elements.
-// Firefox's implementation doesn't respect box-sizing, padding, or width.
-//
-// 1. Address box sizing set to `content-box` in IE 8/9/10.
-// 2. Remove excess padding in IE 8/9/10.
-//
-
-input[type="checkbox"],
-input[type="radio"] {
-  box-sizing: border-box; // 1
-  padding: 0; // 2
-}
-
-//
-// Fix the cursor style for Chrome's increment/decrement buttons. For certain
-// `font-size` values of the `input`, it causes the cursor style of the
-// decrement button to change from `default` to `text`.
-//
-
-input[type="number"]::-webkit-inner-spin-button,
-input[type="number"]::-webkit-outer-spin-button {
-  height: auto;
-}
-
-//
-// 1. Address `appearance` set to `searchfield` in Safari and Chrome.
-// 2. Address `box-sizing` set to `border-box` in Safari and Chrome
-//    (include `-moz` to future-proof).
-//
-
-input[type="search"] {
-  -webkit-appearance: textfield; // 1
-  -moz-box-sizing: content-box;
-  -webkit-box-sizing: content-box; // 2
-  box-sizing: content-box;
-}
-
-//
-// Remove inner padding and search cancel button in Safari and Chrome on OS X.
-// Safari (but not Chrome) clips the cancel button when the search input has
-// padding (and `textfield` appearance).
-//
-
-input[type="search"]::-webkit-search-cancel-button,
-input[type="search"]::-webkit-search-decoration {
-  -webkit-appearance: none;
-}
-
-//
-// Define consistent border, margin, and padding.
-//
-
-fieldset {
-  border: 1px solid #c0c0c0;
-  margin: 0 2px;
-  padding: 0.35em 0.625em 0.75em;
-}
-
-//
-// 1. Correct `color` not being inherited in IE 8/9/10/11.
-// 2. Remove padding so people aren't caught out if they zero out fieldsets.
-//
-
-legend {
-  border: 0; // 1
-  padding: 0; // 2
-}
-
-//
-// Remove default vertical scrollbar in IE 8/9/10/11.
-//
-
-textarea {
-  overflow: auto;
-}
-
-//
-// Don't inherit the `font-weight` (applied by a rule above).
-// NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
-//
-
-optgroup {
-  font-weight: bold;
-}
-
-// Tables
-// ==========================================================================
-
-//
-// Remove most spacing between table cells.
-//
-
-table {
-  border-collapse: collapse;
-  border-spacing: 0;
-}
-
-td,
-th {
-  padding: 0;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/pager.less b/third_party/fmt-9.1.0/doc/bootstrap/pager.less
deleted file mode 100644
index 41abaaad..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/pager.less
+++ /dev/null
@@ -1,54 +0,0 @@
-//
-// Pager pagination
-// --------------------------------------------------
-
-
-.pager {
-  padding-left: 0;
-  margin: @line-height-computed 0;
-  list-style: none;
-  text-align: center;
-  &:extend(.clearfix all);
-  li {
-    display: inline;
-    > a,
-    > span {
-      display: inline-block;
-      padding: 5px 14px;
-      background-color: @pager-bg;
-      border: 1px solid @pager-border;
-      border-radius: @pager-border-radius;
-    }
-
-    > a:hover,
-    > a:focus {
-      text-decoration: none;
-      background-color: @pager-hover-bg;
-    }
-  }
-
-  .next {
-    > a,
-    > span {
-      float: right;
-    }
-  }
-
-  .previous {
-    > a,
-    > span {
-      float: left;
-    }
-  }
-
-  .disabled {
-    > a,
-    > a:hover,
-    > a:focus,
-    > span {
-      color: @pager-disabled-color;
-      background-color: @pager-bg;
-      cursor: @cursor-disabled;
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/pagination.less b/third_party/fmt-9.1.0/doc/bootstrap/pagination.less
deleted file mode 100644
index 38c4c3d3..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/pagination.less
+++ /dev/null
@@ -1,88 +0,0 @@
-//
-// Pagination (multiple pages)
-// --------------------------------------------------
-.pagination {
-  display: inline-block;
-  padding-left: 0;
-  margin: @line-height-computed 0;
-  border-radius: @border-radius-base;
-
-  > li {
-    display: inline; // Remove list-style and block-level defaults
-    > a,
-    > span {
-      position: relative;
-      float: left; // Collapse white-space
-      padding: @padding-base-vertical @padding-base-horizontal;
-      line-height: @line-height-base;
-      text-decoration: none;
-      color: @pagination-color;
-      background-color: @pagination-bg;
-      border: 1px solid @pagination-border;
-      margin-left: -1px;
-    }
-    &:first-child {
-      > a,
-      > span {
-        margin-left: 0;
-        .border-left-radius(@border-radius-base);
-      }
-    }
-    &:last-child {
-      > a,
-      > span {
-        .border-right-radius(@border-radius-base);
-      }
-    }
-  }
-
-  > li > a,
-  > li > span {
-    &:hover,
-    &:focus {
-      color: @pagination-hover-color;
-      background-color: @pagination-hover-bg;
-      border-color: @pagination-hover-border;
-    }
-  }
-
-  > .active > a,
-  > .active > span {
-    &,
-    &:hover,
-    &:focus {
-      z-index: 2;
-      color: @pagination-active-color;
-      background-color: @pagination-active-bg;
-      border-color: @pagination-active-border;
-      cursor: default;
-    }
-  }
-
-  > .disabled {
-    > span,
-    > span:hover,
-    > span:focus,
-    > a,
-    > a:hover,
-    > a:focus {
-      color: @pagination-disabled-color;
-      background-color: @pagination-disabled-bg;
-      border-color: @pagination-disabled-border;
-      cursor: @cursor-disabled;
-    }
-  }
-}
-
-// Sizing
-// --------------------------------------------------
-
-// Large
-.pagination-lg {
-  .pagination-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @border-radius-large);
-}
-
-// Small
-.pagination-sm {
-  .pagination-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @border-radius-small);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/panels.less b/third_party/fmt-9.1.0/doc/bootstrap/panels.less
deleted file mode 100644
index 04eb2b39..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/panels.less
+++ /dev/null
@@ -1,265 +0,0 @@
-//
-// Panels
-// --------------------------------------------------
-
-
-// Base class
-.panel {
-  margin-bottom: @line-height-computed;
-  background-color: @panel-bg;
-  border: 1px solid transparent;
-  border-radius: @panel-border-radius;
-  .box-shadow(0 1px 1px rgba(0,0,0,.05));
-}
-
-// Panel contents
-.panel-body {
-  padding: @panel-body-padding;
-  &:extend(.clearfix all);
-}
-
-// Optional heading
-.panel-heading {
-  padding: @panel-heading-padding;
-  border-bottom: 1px solid transparent;
-  .border-top-radius((@panel-border-radius - 1));
-
-  > .dropdown .dropdown-toggle {
-    color: inherit;
-  }
-}
-
-// Within heading, strip any `h*` tag of its default margins for spacing.
-.panel-title {
-  margin-top: 0;
-  margin-bottom: 0;
-  font-size: ceil((@font-size-base * 1.125));
-  color: inherit;
-
-  > a,
-  > small,
-  > .small,
-  > small > a,
-  > .small > a {
-    color: inherit;
-  }
-}
-
-// Optional footer (stays gray in every modifier class)
-.panel-footer {
-  padding: @panel-footer-padding;
-  background-color: @panel-footer-bg;
-  border-top: 1px solid @panel-inner-border;
-  .border-bottom-radius((@panel-border-radius - 1));
-}
-
-
-// List groups in panels
-//
-// By default, space out list group content from panel headings to account for
-// any kind of custom content between the two.
-
-.panel {
-  > .list-group,
-  > .panel-collapse > .list-group {
-    margin-bottom: 0;
-
-    .list-group-item {
-      border-width: 1px 0;
-      border-radius: 0;
-    }
-
-    // Add border top radius for first one
-    &:first-child {
-      .list-group-item:first-child {
-        border-top: 0;
-        .border-top-radius((@panel-border-radius - 1));
-      }
-    }
-    // Add border bottom radius for last one
-    &:last-child {
-      .list-group-item:last-child {
-        border-bottom: 0;
-        .border-bottom-radius((@panel-border-radius - 1));
-      }
-    }
-  }
-}
-// Collapse space between when there's no additional content.
-.panel-heading + .list-group {
-  .list-group-item:first-child {
-    border-top-width: 0;
-  }
-}
-.list-group + .panel-footer {
-  border-top-width: 0;
-}
-
-// Tables in panels
-//
-// Place a non-bordered `.table` within a panel (not within a `.panel-body`) and
-// watch it go full width.
-
-.panel {
-  > .table,
-  > .table-responsive > .table,
-  > .panel-collapse > .table {
-    margin-bottom: 0;
-
-    caption {
-      padding-left: @panel-body-padding;
-      padding-right: @panel-body-padding;
-    }
-  }
-  // Add border top radius for first one
-  > .table:first-child,
-  > .table-responsive:first-child > .table:first-child {
-    .border-top-radius((@panel-border-radius - 1));
-
-    > thead:first-child,
-    > tbody:first-child {
-      > tr:first-child {
-        border-top-left-radius: (@panel-border-radius - 1);
-        border-top-right-radius: (@panel-border-radius - 1);
-
-        td:first-child,
-        th:first-child {
-          border-top-left-radius: (@panel-border-radius - 1);
-        }
-        td:last-child,
-        th:last-child {
-          border-top-right-radius: (@panel-border-radius - 1);
-        }
-      }
-    }
-  }
-  // Add border bottom radius for last one
-  > .table:last-child,
-  > .table-responsive:last-child > .table:last-child {
-    .border-bottom-radius((@panel-border-radius - 1));
-
-    > tbody:last-child,
-    > tfoot:last-child {
-      > tr:last-child {
-        border-bottom-left-radius: (@panel-border-radius - 1);
-        border-bottom-right-radius: (@panel-border-radius - 1);
-
-        td:first-child,
-        th:first-child {
-          border-bottom-left-radius: (@panel-border-radius - 1);
-        }
-        td:last-child,
-        th:last-child {
-          border-bottom-right-radius: (@panel-border-radius - 1);
-        }
-      }
-    }
-  }
-  > .panel-body + .table,
-  > .panel-body + .table-responsive,
-  > .table + .panel-body,
-  > .table-responsive + .panel-body {
-    border-top: 1px solid @table-border-color;
-  }
-  > .table > tbody:first-child > tr:first-child th,
-  > .table > tbody:first-child > tr:first-child td {
-    border-top: 0;
-  }
-  > .table-bordered,
-  > .table-responsive > .table-bordered {
-    border: 0;
-    > thead,
-    > tbody,
-    > tfoot {
-      > tr {
-        > th:first-child,
-        > td:first-child {
-          border-left: 0;
-        }
-        > th:last-child,
-        > td:last-child {
-          border-right: 0;
-        }
-      }
-    }
-    > thead,
-    > tbody {
-      > tr:first-child {
-        > td,
-        > th {
-          border-bottom: 0;
-        }
-      }
-    }
-    > tbody,
-    > tfoot {
-      > tr:last-child {
-        > td,
-        > th {
-          border-bottom: 0;
-        }
-      }
-    }
-  }
-  > .table-responsive {
-    border: 0;
-    margin-bottom: 0;
-  }
-}
-
-
-// Collapsable panels (aka, accordion)
-//
-// Wrap a series of panels in `.panel-group` to turn them into an accordion with
-// the help of our collapse JavaScript plugin.
-
-.panel-group {
-  margin-bottom: @line-height-computed;
-
-  // Tighten up margin so it's only between panels
-  .panel {
-    margin-bottom: 0;
-    border-radius: @panel-border-radius;
-
-    + .panel {
-      margin-top: 5px;
-    }
-  }
-
-  .panel-heading {
-    border-bottom: 0;
-
-    + .panel-collapse > .panel-body,
-    + .panel-collapse > .list-group {
-      border-top: 1px solid @panel-inner-border;
-    }
-  }
-
-  .panel-footer {
-    border-top: 0;
-    + .panel-collapse .panel-body {
-      border-bottom: 1px solid @panel-inner-border;
-    }
-  }
-}
-
-
-// Contextual variations
-.panel-default {
-  .panel-variant(@panel-default-border; @panel-default-text; @panel-default-heading-bg; @panel-default-border);
-}
-.panel-primary {
-  .panel-variant(@panel-primary-border; @panel-primary-text; @panel-primary-heading-bg; @panel-primary-border);
-}
-.panel-success {
-  .panel-variant(@panel-success-border; @panel-success-text; @panel-success-heading-bg; @panel-success-border);
-}
-.panel-info {
-  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);
-}
-.panel-warning {
-  .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-heading-bg; @panel-warning-border);
-}
-.panel-danger {
-  .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-heading-bg; @panel-danger-border);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/popovers.less b/third_party/fmt-9.1.0/doc/bootstrap/popovers.less
deleted file mode 100644
index 2748eead..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/popovers.less
+++ /dev/null
@@ -1,135 +0,0 @@
-//
-// Popovers
-// --------------------------------------------------
-
-
-.popover {
-  position: absolute;
-  top: 0;
-  left: 0;
-  z-index: @zindex-popover;
-  display: none;
-  max-width: @popover-max-width;
-  padding: 1px;
-  // Reset font and text properties given new insertion method
-  font-family: @font-family-base;
-  font-size: @font-size-base;
-  font-weight: normal;
-  line-height: @line-height-base;
-  text-align: left;
-  background-color: @popover-bg;
-  background-clip: padding-box;
-  border: 1px solid @popover-fallback-border-color;
-  border: 1px solid @popover-border-color;
-  border-radius: @border-radius-large;
-  .box-shadow(0 5px 10px rgba(0,0,0,.2));
-
-  // Overrides for proper insertion
-  white-space: normal;
-
-  // Offset the popover to account for the popover arrow
-  &.top     { margin-top: -@popover-arrow-width; }
-  &.right   { margin-left: @popover-arrow-width; }
-  &.bottom  { margin-top: @popover-arrow-width; }
-  &.left    { margin-left: -@popover-arrow-width; }
-}
-
-.popover-title {
-  margin: 0; // reset heading margin
-  padding: 8px 14px;
-  font-size: @font-size-base;
-  background-color: @popover-title-bg;
-  border-bottom: 1px solid darken(@popover-title-bg, 5%);
-  border-radius: (@border-radius-large - 1) (@border-radius-large - 1) 0 0;
-}
-
-.popover-content {
-  padding: 9px 14px;
-}
-
-// Arrows
-//
-// .arrow is outer, .arrow:after is inner
-
-.popover > .arrow {
-  &,
-  &:after {
-    position: absolute;
-    display: block;
-    width: 0;
-    height: 0;
-    border-color: transparent;
-    border-style: solid;
-  }
-}
-.popover > .arrow {
-  border-width: @popover-arrow-outer-width;
-}
-.popover > .arrow:after {
-  border-width: @popover-arrow-width;
-  content: "";
-}
-
-.popover {
-  &.top > .arrow {
-    left: 50%;
-    margin-left: -@popover-arrow-outer-width;
-    border-bottom-width: 0;
-    border-top-color: @popover-arrow-outer-fallback-color; // IE8 fallback
-    border-top-color: @popover-arrow-outer-color;
-    bottom: -@popover-arrow-outer-width;
-    &:after {
-      content: " ";
-      bottom: 1px;
-      margin-left: -@popover-arrow-width;
-      border-bottom-width: 0;
-      border-top-color: @popover-arrow-color;
-    }
-  }
-  &.right > .arrow {
-    top: 50%;
-    left: -@popover-arrow-outer-width;
-    margin-top: -@popover-arrow-outer-width;
-    border-left-width: 0;
-    border-right-color: @popover-arrow-outer-fallback-color; // IE8 fallback
-    border-right-color: @popover-arrow-outer-color;
-    &:after {
-      content: " ";
-      left: 1px;
-      bottom: -@popover-arrow-width;
-      border-left-width: 0;
-      border-right-color: @popover-arrow-color;
-    }
-  }
-  &.bottom > .arrow {
-    left: 50%;
-    margin-left: -@popover-arrow-outer-width;
-    border-top-width: 0;
-    border-bottom-color: @popover-arrow-outer-fallback-color; // IE8 fallback
-    border-bottom-color: @popover-arrow-outer-color;
-    top: -@popover-arrow-outer-width;
-    &:after {
-      content: " ";
-      top: 1px;
-      margin-left: -@popover-arrow-width;
-      border-top-width: 0;
-      border-bottom-color: @popover-arrow-color;
-    }
-  }
-
-  &.left > .arrow {
-    top: 50%;
-    right: -@popover-arrow-outer-width;
-    margin-top: -@popover-arrow-outer-width;
-    border-right-width: 0;
-    border-left-color: @popover-arrow-outer-fallback-color; // IE8 fallback
-    border-left-color: @popover-arrow-outer-color;
-    &:after {
-      content: " ";
-      right: 1px;
-      border-right-width: 0;
-      border-left-color: @popover-arrow-color;
-      bottom: -@popover-arrow-width;
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/print.less b/third_party/fmt-9.1.0/doc/bootstrap/print.less
deleted file mode 100644
index 94ca58f1..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/print.less
+++ /dev/null
@@ -1,107 +0,0 @@
-/*! Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css */
-
-// ==========================================================================
-// Print styles.
-// Inlined to avoid the additional HTTP request: h5bp.com/r
-// ==========================================================================
-
-@media print {
-    *,
-    *:before,
-    *:after {
-        background: transparent !important;
-        color: #000 !important; // Black prints faster: h5bp.com/s
-        box-shadow: none !important;
-        text-shadow: none !important;
-    }
-
-    a,
-    a:visited {
-        text-decoration: underline;
-    }
-
-    a[href]:after {
-        content: " (" attr(href) ")";
-    }
-
-    abbr[title]:after {
-        content: " (" attr(title) ")";
-    }
-
-    // Don't show links that are fragment identifiers,
-    // or use the `javascript:` pseudo protocol
-    a[href^="#"]:after,
-    a[href^="javascript:"]:after {
-        content: "";
-    }
-
-    pre,
-    blockquote {
-        border: 1px solid #999;
-        page-break-inside: avoid;
-    }
-
-    thead {
-        display: table-header-group; // h5bp.com/t
-    }
-
-    tr,
-    img {
-        page-break-inside: avoid;
-    }
-
-    img {
-        max-width: 100% !important;
-    }
-
-    p,
-    h2,
-    h3 {
-        orphans: 3;
-        widows: 3;
-    }
-
-    h2,
-    h3 {
-        page-break-after: avoid;
-    }
-
-    // Bootstrap specific changes start
-    //
-    // Chrome (OSX) fix for https://github.com/twbs/bootstrap/issues/11245
-    // Once fixed, we can just straight up remove this.
-    select {
-        background: #fff !important;
-    }
-
-    // Bootstrap components
-    .navbar {
-        display: none;
-    }
-    .btn,
-    .dropup > .btn {
-        > .caret {
-            border-top-color: #000 !important;
-        }
-    }
-    .label {
-        border: 1px solid #000;
-    }
-
-    .table {
-        border-collapse: collapse !important;
-
-        td,
-        th {
-            background-color: #fff !important;
-        }
-    }
-    .table-bordered {
-        th,
-        td {
-            border: 1px solid #ddd !important;
-        }
-    }
-
-    // Bootstrap specific changes end
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/progress-bars.less b/third_party/fmt-9.1.0/doc/bootstrap/progress-bars.less
deleted file mode 100644
index 8868a1fe..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/progress-bars.less
+++ /dev/null
@@ -1,87 +0,0 @@
-//
-// Progress bars
-// --------------------------------------------------
-
-
-// Bar animations
-// -------------------------
-
-// WebKit
-@-webkit-keyframes progress-bar-stripes {
-  from  { background-position: 40px 0; }
-  to    { background-position: 0 0; }
-}
-
-// Spec and IE10+
-@keyframes progress-bar-stripes {
-  from  { background-position: 40px 0; }
-  to    { background-position: 0 0; }
-}
-
-
-// Bar itself
-// -------------------------
-
-// Outer container
-.progress {
-  overflow: hidden;
-  height: @line-height-computed;
-  margin-bottom: @line-height-computed;
-  background-color: @progress-bg;
-  border-radius: @progress-border-radius;
-  .box-shadow(inset 0 1px 2px rgba(0,0,0,.1));
-}
-
-// Bar of progress
-.progress-bar {
-  float: left;
-  width: 0%;
-  height: 100%;
-  font-size: @font-size-small;
-  line-height: @line-height-computed;
-  color: @progress-bar-color;
-  text-align: center;
-  background-color: @progress-bar-bg;
-  .box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));
-  .transition(width .6s ease);
-}
-
-// Striped bars
-//
-// `.progress-striped .progress-bar` is deprecated as of v3.2.0 in favor of the
-// `.progress-bar-striped` class, which you just add to an existing
-// `.progress-bar`.
-.progress-striped .progress-bar,
-.progress-bar-striped {
-  #gradient > .striped();
-  background-size: 40px 40px;
-}
-
-// Call animation for the active one
-//
-// `.progress.active .progress-bar` is deprecated as of v3.2.0 in favor of the
-// `.progress-bar.active` approach.
-.progress.active .progress-bar,
-.progress-bar.active {
-  .animation(progress-bar-stripes 2s linear infinite);
-}
-
-
-// Variations
-// -------------------------
-
-.progress-bar-success {
-  .progress-bar-variant(@progress-bar-success-bg);
-}
-
-.progress-bar-info {
-  .progress-bar-variant(@progress-bar-info-bg);
-}
-
-.progress-bar-warning {
-  .progress-bar-variant(@progress-bar-warning-bg);
-}
-
-.progress-bar-danger {
-  .progress-bar-variant(@progress-bar-danger-bg);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/responsive-embed.less b/third_party/fmt-9.1.0/doc/bootstrap/responsive-embed.less
deleted file mode 100644
index 080a5118..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/responsive-embed.less
+++ /dev/null
@@ -1,35 +0,0 @@
-// Embeds responsive
-//
-// Credit: Nicolas Gallagher and SUIT CSS.
-
-.embed-responsive {
-  position: relative;
-  display: block;
-  height: 0;
-  padding: 0;
-  overflow: hidden;
-
-  .embed-responsive-item,
-  iframe,
-  embed,
-  object,
-  video {
-    position: absolute;
-    top: 0;
-    left: 0;
-    bottom: 0;
-    height: 100%;
-    width: 100%;
-    border: 0;
-  }
-}
-
-// Modifier class for 16:9 aspect ratio
-.embed-responsive-16by9 {
-  padding-bottom: 56.25%;
-}
-
-// Modifier class for 4:3 aspect ratio
-.embed-responsive-4by3 {
-  padding-bottom: 75%;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/responsive-utilities.less b/third_party/fmt-9.1.0/doc/bootstrap/responsive-utilities.less
deleted file mode 100644
index b1db31d7..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/responsive-utilities.less
+++ /dev/null
@@ -1,194 +0,0 @@
-//
-// Responsive: Utility classes
-// --------------------------------------------------
-
-
-// IE10 in Windows (Phone) 8
-//
-// Support for responsive views via media queries is kind of borked in IE10, for
-// Surface/desktop in split view and for Windows Phone 8. This particular fix
-// must be accompanied by a snippet of JavaScript to sniff the user agent and
-// apply some conditional CSS to *only* the Surface/desktop Windows 8. Look at
-// our Getting Started page for more information on this bug.
-//
-// For more information, see the following:
-//
-// Issue: https://github.com/twbs/bootstrap/issues/10497
-// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
-// Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
-// Source: http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
-
-@-ms-viewport {
-  width: device-width;
-}
-
-
-// Visibility utilities
-// Note: Deprecated .visible-xs, .visible-sm, .visible-md, and .visible-lg as of v3.2.0
-.visible-xs,
-.visible-sm,
-.visible-md,
-.visible-lg {
-  .responsive-invisibility();
-}
-
-.visible-xs-block,
-.visible-xs-inline,
-.visible-xs-inline-block,
-.visible-sm-block,
-.visible-sm-inline,
-.visible-sm-inline-block,
-.visible-md-block,
-.visible-md-inline,
-.visible-md-inline-block,
-.visible-lg-block,
-.visible-lg-inline,
-.visible-lg-inline-block {
-  display: none !important;
-}
-
-.visible-xs {
-  @media (max-width: @screen-xs-max) {
-    .responsive-visibility();
-  }
-}
-.visible-xs-block {
-  @media (max-width: @screen-xs-max) {
-    display: block !important;
-  }
-}
-.visible-xs-inline {
-  @media (max-width: @screen-xs-max) {
-    display: inline !important;
-  }
-}
-.visible-xs-inline-block {
-  @media (max-width: @screen-xs-max) {
-    display: inline-block !important;
-  }
-}
-
-.visible-sm {
-  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
-    .responsive-visibility();
-  }
-}
-.visible-sm-block {
-  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
-    display: block !important;
-  }
-}
-.visible-sm-inline {
-  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
-    display: inline !important;
-  }
-}
-.visible-sm-inline-block {
-  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
-    display: inline-block !important;
-  }
-}
-
-.visible-md {
-  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
-    .responsive-visibility();
-  }
-}
-.visible-md-block {
-  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
-    display: block !important;
-  }
-}
-.visible-md-inline {
-  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
-    display: inline !important;
-  }
-}
-.visible-md-inline-block {
-  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
-    display: inline-block !important;
-  }
-}
-
-.visible-lg {
-  @media (min-width: @screen-lg-min) {
-    .responsive-visibility();
-  }
-}
-.visible-lg-block {
-  @media (min-width: @screen-lg-min) {
-    display: block !important;
-  }
-}
-.visible-lg-inline {
-  @media (min-width: @screen-lg-min) {
-    display: inline !important;
-  }
-}
-.visible-lg-inline-block {
-  @media (min-width: @screen-lg-min) {
-    display: inline-block !important;
-  }
-}
-
-.hidden-xs {
-  @media (max-width: @screen-xs-max) {
-    .responsive-invisibility();
-  }
-}
-.hidden-sm {
-  @media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
-    .responsive-invisibility();
-  }
-}
-.hidden-md {
-  @media (min-width: @screen-md-min) and (max-width: @screen-md-max) {
-    .responsive-invisibility();
-  }
-}
-.hidden-lg {
-  @media (min-width: @screen-lg-min) {
-    .responsive-invisibility();
-  }
-}
-
-
-// Print utilities
-//
-// Media queries are placed on the inside to be mixin-friendly.
-
-// Note: Deprecated .visible-print as of v3.2.0
-.visible-print {
-  .responsive-invisibility();
-
-  @media print {
-    .responsive-visibility();
-  }
-}
-.visible-print-block {
-  display: none !important;
-
-  @media print {
-    display: block !important;
-  }
-}
-.visible-print-inline {
-  display: none !important;
-
-  @media print {
-    display: inline !important;
-  }
-}
-.visible-print-inline-block {
-  display: none !important;
-
-  @media print {
-    display: inline-block !important;
-  }
-}
-
-.hidden-print {
-  @media print {
-    .responsive-invisibility();
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/scaffolding.less b/third_party/fmt-9.1.0/doc/bootstrap/scaffolding.less
deleted file mode 100644
index 47b1d5a1..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/scaffolding.less
+++ /dev/null
@@ -1,162 +0,0 @@
-//
-// Scaffolding
-// --------------------------------------------------
-
-
-// Reset the box-sizing
-//
-// Heads up! This reset may cause conflicts with some third-party widgets.
-// For recommendations on resolving such conflicts, see
-// http://getbootstrap.com/getting-started/#third-box-sizing
-* {
-  .box-sizing(border-box);
-}
-*:before,
-*:after {
-  .box-sizing(border-box);
-}
-
-
-// Body reset
-
-html {
-  font-size: 10px;
-  -webkit-tap-highlight-color: rgba(0,0,0,0);
-}
-
-body {
-  font-family: @font-family-base;
-  font-size: @font-size-base;
-  line-height: @line-height-base;
-  color: @text-color;
-  background-color: @body-bg;
-}
-
-// Reset fonts for relevant elements
-input,
-button,
-select,
-textarea {
-  font-family: inherit;
-  font-size: inherit;
-  line-height: inherit;
-}
-
-
-// Links
-
-a {
-  color: @link-color;
-  text-decoration: none;
-
-  &:hover,
-  &:focus {
-    color: @link-hover-color;
-    text-decoration: @link-hover-decoration;
-  }
-
-  &:focus {
-    .tab-focus();
-  }
-}
-
-
-// Figures
-//
-// We reset this here because previously Normalize had no `figure` margins. This
-// ensures we don't break anyone's use of the element.
-
-figure {
-  margin: 0;
-}
-
-
-// Images
-
-img {
-  vertical-align: middle;
-}
-
-// Responsive images (ensure images don't scale beyond their parents)
-.img-responsive {
-  .img-responsive();
-}
-
-// Rounded corners
-.img-rounded {
-  border-radius: @border-radius-large;
-}
-
-// Image thumbnails
-//
-// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
-.img-thumbnail {
-  padding: @thumbnail-padding;
-  line-height: @line-height-base;
-  background-color: @thumbnail-bg;
-  border: 1px solid @thumbnail-border;
-  border-radius: @thumbnail-border-radius;
-  .transition(all .2s ease-in-out);
-
-  // Keep them at most 100% wide
-  .img-responsive(inline-block);
-}
-
-// Perfect circle
-.img-circle {
-  border-radius: 50%; // set radius in percents
-}
-
-
-// Horizontal rules
-
-hr {
-  margin-top:    @line-height-computed;
-  margin-bottom: @line-height-computed;
-  border: 0;
-  border-top: 1px solid @hr-border;
-}
-
-
-// Only display content to screen readers
-//
-// See: http://a11yproject.com/posts/how-to-hide-content/
-
-.sr-only {
-  position: absolute;
-  width: 1px;
-  height: 1px;
-  margin: -1px;
-  padding: 0;
-  overflow: hidden;
-  clip: rect(0,0,0,0);
-  border: 0;
-}
-
-// Use in conjunction with .sr-only to only display content when it's focused.
-// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
-// Credit: HTML5 Boilerplate
-
-.sr-only-focusable {
-  &:active,
-  &:focus {
-    position: static;
-    width: auto;
-    height: auto;
-    margin: 0;
-    overflow: visible;
-    clip: auto;
-  }
-}
-
-
-// iOS "clickable elements" fix for role="button"
-//
-// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
-// for traditionally non-focusable elements with role="button"
-// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
-// Upstream patch for normalize.css submitted: https://github.com/necolas/normalize.css/pull/379 - remove this fix once that is merged
-
-[role="button"] {
-  cursor: pointer;
-}
\ No newline at end of file
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/tables.less b/third_party/fmt-9.1.0/doc/bootstrap/tables.less
deleted file mode 100644
index 2242c036..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/tables.less
+++ /dev/null
@@ -1,234 +0,0 @@
-//
-// Tables
-// --------------------------------------------------
-
-
-table {
-  background-color: @table-bg;
-}
-caption {
-  padding-top: @table-cell-padding;
-  padding-bottom: @table-cell-padding;
-  color: @text-muted;
-  text-align: left;
-}
-th {
-  text-align: left;
-}
-
-
-// Baseline styles
-
-.table {
-  width: 100%;
-  max-width: 100%;
-  margin-bottom: @line-height-computed;
-  // Cells
-  > thead,
-  > tbody,
-  > tfoot {
-    > tr {
-      > th,
-      > td {
-        padding: @table-cell-padding;
-        line-height: @line-height-base;
-        vertical-align: top;
-        border-top: 1px solid @table-border-color;
-      }
-    }
-  }
-  // Bottom align for column headings
-  > thead > tr > th {
-    vertical-align: bottom;
-    border-bottom: 2px solid @table-border-color;
-  }
-  // Remove top border from thead by default
-  > caption + thead,
-  > colgroup + thead,
-  > thead:first-child {
-    > tr:first-child {
-      > th,
-      > td {
-        border-top: 0;
-      }
-    }
-  }
-  // Account for multiple tbody instances
-  > tbody + tbody {
-    border-top: 2px solid @table-border-color;
-  }
-
-  // Nesting
-  .table {
-    background-color: @body-bg;
-  }
-}
-
-
-// Condensed table w/ half padding
-
-.table-condensed {
-  > thead,
-  > tbody,
-  > tfoot {
-    > tr {
-      > th,
-      > td {
-        padding: @table-condensed-cell-padding;
-      }
-    }
-  }
-}
-
-
-// Bordered version
-//
-// Add borders all around the table and between all the columns.
-
-.table-bordered {
-  border: 1px solid @table-border-color;
-  > thead,
-  > tbody,
-  > tfoot {
-    > tr {
-      > th,
-      > td {
-        border: 1px solid @table-border-color;
-      }
-    }
-  }
-  > thead > tr {
-    > th,
-    > td {
-      border-bottom-width: 2px;
-    }
-  }
-}
-
-
-// Zebra-striping
-//
-// Default zebra-stripe styles (alternating gray and transparent backgrounds)
-
-.table-striped {
-  > tbody > tr:nth-of-type(odd) {
-    background-color: @table-bg-accent;
-  }
-}
-
-
-// Hover effect
-//
-// Placed here since it has to come after the potential zebra striping
-
-.table-hover {
-  > tbody > tr:hover {
-    background-color: @table-bg-hover;
-  }
-}
-
-
-// Table cell sizing
-//
-// Reset default table behavior
-
-table col[class*="col-"] {
-  position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
-  float: none;
-  display: table-column;
-}
-table {
-  td,
-  th {
-    &[class*="col-"] {
-      position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
-      float: none;
-      display: table-cell;
-    }
-  }
-}
-
-
-// Table backgrounds
-//
-// Exact selectors below required to override `.table-striped` and prevent
-// inheritance to nested tables.
-
-// Generate the contextual variants
-.table-row-variant(active; @table-bg-active);
-.table-row-variant(success; @state-success-bg);
-.table-row-variant(info; @state-info-bg);
-.table-row-variant(warning; @state-warning-bg);
-.table-row-variant(danger; @state-danger-bg);
-
-
-// Responsive tables
-//
-// Wrap your tables in `.table-responsive` and we'll make them mobile friendly
-// by enabling horizontal scrolling. Only applies <768px. Everything above that
-// will display normally.
-
-.table-responsive {
-  overflow-x: auto;
-  min-height: 0.01%; // Workaround for IE9 bug (see https://github.com/twbs/bootstrap/issues/14837)
-
-  @media screen and (max-width: @screen-xs-max) {
-    width: 100%;
-    margin-bottom: (@line-height-computed * 0.75);
-    overflow-y: hidden;
-    -ms-overflow-style: -ms-autohiding-scrollbar;
-    border: 1px solid @table-border-color;
-
-    // Tighten up spacing
-    > .table {
-      margin-bottom: 0;
-
-      // Ensure the content doesn't wrap
-      > thead,
-      > tbody,
-      > tfoot {
-        > tr {
-          > th,
-          > td {
-            white-space: nowrap;
-          }
-        }
-      }
-    }
-
-    // Special overrides for the bordered tables
-    > .table-bordered {
-      border: 0;
-
-      // Nuke the appropriate borders so that the parent can handle them
-      > thead,
-      > tbody,
-      > tfoot {
-        > tr {
-          > th:first-child,
-          > td:first-child {
-            border-left: 0;
-          }
-          > th:last-child,
-          > td:last-child {
-            border-right: 0;
-          }
-        }
-      }
-
-      // Only nuke the last row's bottom-border in `tbody` and `tfoot` since
-      // chances are there will be only one `tr` in a `thead` and that would
-      // remove the border altogether.
-      > tbody,
-      > tfoot {
-        > tr:last-child {
-          > th,
-          > td {
-            border-bottom: 0;
-          }
-        }
-      }
-
-    }
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/theme.less b/third_party/fmt-9.1.0/doc/bootstrap/theme.less
deleted file mode 100644
index 6f2eb621..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/theme.less
+++ /dev/null
@@ -1,273 +0,0 @@
-
-//
-// Load core variables and mixins
-// --------------------------------------------------
-
-@import "variables.less";
-@import "mixins.less";
-
-
-//
-// Buttons
-// --------------------------------------------------
-
-// Common styles
-.btn-default,
-.btn-primary,
-.btn-success,
-.btn-info,
-.btn-warning,
-.btn-danger {
-  text-shadow: 0 -1px 0 rgba(0,0,0,.2);
-  @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.075);
-  .box-shadow(@shadow);
-
-  // Reset the shadow
-  &:active,
-  &.active {
-    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
-  }
-
-  .badge {
-    text-shadow: none;
-  }
-}
-
-// Mixin for generating new styles
-.btn-styles(@btn-color: #555) {
-  #gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));
-  .reset-filter(); // Disable gradients for IE9 because filter bleeds through rounded corners; see https://github.com/twbs/bootstrap/issues/10620
-  background-repeat: repeat-x;
-  border-color: darken(@btn-color, 14%);
-
-  &:hover,
-  &:focus  {
-    background-color: darken(@btn-color, 12%);
-    background-position: 0 -15px;
-  }
-
-  &:active,
-  &.active {
-    background-color: darken(@btn-color, 12%);
-    border-color: darken(@btn-color, 14%);
-  }
-
-  &.disabled,
-  &:disabled,
-  &[disabled] {
-    background-color: darken(@btn-color, 12%);
-    background-image: none;
-  }
-}
-
-// Common styles
-.btn {
-  // Remove the gradient for the pressed/active state
-  &:active,
-  &.active {
-    background-image: none;
-  }
-}
-
-// Apply the mixin to the buttons
-.btn-default { .btn-styles(@btn-default-bg); text-shadow: 0 1px 0 #fff; border-color: #ccc; }
-.btn-primary { .btn-styles(@btn-primary-bg); }
-.btn-success { .btn-styles(@btn-success-bg); }
-.btn-info    { .btn-styles(@btn-info-bg); }
-.btn-warning { .btn-styles(@btn-warning-bg); }
-.btn-danger  { .btn-styles(@btn-danger-bg); }
-
-
-//
-// Images
-// --------------------------------------------------
-
-.thumbnail,
-.img-thumbnail {
-  .box-shadow(0 1px 2px rgba(0,0,0,.075));
-}
-
-
-//
-// Dropdowns
-// --------------------------------------------------
-
-.dropdown-menu > li > a:hover,
-.dropdown-menu > li > a:focus {
-  #gradient > .vertical(@start-color: @dropdown-link-hover-bg; @end-color: darken(@dropdown-link-hover-bg, 5%));
-  background-color: darken(@dropdown-link-hover-bg, 5%);
-}
-.dropdown-menu > .active > a,
-.dropdown-menu > .active > a:hover,
-.dropdown-menu > .active > a:focus {
-  #gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
-  background-color: darken(@dropdown-link-active-bg, 5%);
-}
-
-
-//
-// Navbar
-// --------------------------------------------------
-
-// Default navbar
-.navbar-default {
-  #gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%); @end-color: @navbar-default-bg);
-  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
-  border-radius: @navbar-border-radius;
-  @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 5px rgba(0,0,0,.075);
-  .box-shadow(@shadow);
-
-  .navbar-nav > .open > a,
-  .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: darken(@navbar-default-link-active-bg, 5%); @end-color: darken(@navbar-default-link-active-bg, 2%));
-    .box-shadow(inset 0 3px 9px rgba(0,0,0,.075));
-  }
-}
-.navbar-brand,
-.navbar-nav > li > a {
-  text-shadow: 0 1px 0 rgba(255,255,255,.25);
-}
-
-// Inverted navbar
-.navbar-inverse {
-  #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg);
-  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered; see https://github.com/twbs/bootstrap/issues/10257
-
-  .navbar-nav > .open > a,
-  .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: @navbar-inverse-link-active-bg; @end-color: lighten(@navbar-inverse-link-active-bg, 2.5%));
-    .box-shadow(inset 0 3px 9px rgba(0,0,0,.25));
-  }
-
-  .navbar-brand,
-  .navbar-nav > li > a {
-    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
-  }
-}
-
-// Undo rounded corners in static and fixed navbars
-.navbar-static-top,
-.navbar-fixed-top,
-.navbar-fixed-bottom {
-  border-radius: 0;
-}
-
-// Fix active state of dropdown items in collapsed mode
-@media (max-width: @grid-float-breakpoint-max) {
-  .navbar .navbar-nav .open .dropdown-menu > .active > a {
-    &,
-    &:hover,
-    &:focus {
-      color: #fff;
-      #gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
-    }
-  }
-}
-
-
-//
-// Alerts
-// --------------------------------------------------
-
-// Common styles
-.alert {
-  text-shadow: 0 1px 0 rgba(255,255,255,.2);
-  @shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 2px rgba(0,0,0,.05);
-  .box-shadow(@shadow);
-}
-
-// Mixin for generating new styles
-.alert-styles(@color) {
-  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 7.5%));
-  border-color: darken(@color, 15%);
-}
-
-// Apply the mixin to the alerts
-.alert-success    { .alert-styles(@alert-success-bg); }
-.alert-info       { .alert-styles(@alert-info-bg); }
-.alert-warning    { .alert-styles(@alert-warning-bg); }
-.alert-danger     { .alert-styles(@alert-danger-bg); }
-
-
-//
-// Progress bars
-// --------------------------------------------------
-
-// Give the progress background some depth
-.progress {
-  #gradient > .vertical(@start-color: darken(@progress-bg, 4%); @end-color: @progress-bg)
-}
-
-// Mixin for generating new styles
-.progress-bar-styles(@color) {
-  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 10%));
-}
-
-// Apply the mixin to the progress bars
-.progress-bar            { .progress-bar-styles(@progress-bar-bg); }
-.progress-bar-success    { .progress-bar-styles(@progress-bar-success-bg); }
-.progress-bar-info       { .progress-bar-styles(@progress-bar-info-bg); }
-.progress-bar-warning    { .progress-bar-styles(@progress-bar-warning-bg); }
-.progress-bar-danger     { .progress-bar-styles(@progress-bar-danger-bg); }
-
-// Reset the striped class because our mixins don't do multiple gradients and
-// the above custom styles override the new `.progress-bar-striped` in v3.2.0.
-.progress-bar-striped {
-  #gradient > .striped();
-}
-
-
-//
-// List groups
-// --------------------------------------------------
-
-.list-group {
-  border-radius: @border-radius-base;
-  .box-shadow(0 1px 2px rgba(0,0,0,.075));
-}
-.list-group-item.active,
-.list-group-item.active:hover,
-.list-group-item.active:focus {
-  text-shadow: 0 -1px 0 darken(@list-group-active-bg, 10%);
-  #gradient > .vertical(@start-color: @list-group-active-bg; @end-color: darken(@list-group-active-bg, 7.5%));
-  border-color: darken(@list-group-active-border, 7.5%);
-
-  .badge {
-    text-shadow: none;
-  }
-}
-
-
-//
-// Panels
-// --------------------------------------------------
-
-// Common styles
-.panel {
-  .box-shadow(0 1px 2px rgba(0,0,0,.05));
-}
-
-// Mixin for generating new styles
-.panel-heading-styles(@color) {
-  #gradient > .vertical(@start-color: @color; @end-color: darken(@color, 5%));
-}
-
-// Apply the mixin to the panel headings only
-.panel-default > .panel-heading   { .panel-heading-styles(@panel-default-heading-bg); }
-.panel-primary > .panel-heading   { .panel-heading-styles(@panel-primary-heading-bg); }
-.panel-success > .panel-heading   { .panel-heading-styles(@panel-success-heading-bg); }
-.panel-info > .panel-heading      { .panel-heading-styles(@panel-info-heading-bg); }
-.panel-warning > .panel-heading   { .panel-heading-styles(@panel-warning-heading-bg); }
-.panel-danger > .panel-heading    { .panel-heading-styles(@panel-danger-heading-bg); }
-
-
-//
-// Wells
-// --------------------------------------------------
-
-.well {
-  #gradient > .vertical(@start-color: darken(@well-bg, 5%); @end-color: @well-bg);
-  border-color: darken(@well-bg, 10%);
-  @shadow: inset 0 1px 3px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.1);
-  .box-shadow(@shadow);
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/thumbnails.less b/third_party/fmt-9.1.0/doc/bootstrap/thumbnails.less
deleted file mode 100644
index 0713e67d..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/thumbnails.less
+++ /dev/null
@@ -1,36 +0,0 @@
-//
-// Thumbnails
-// --------------------------------------------------
-
-
-// Mixin and adjust the regular image class
-.thumbnail {
-  display: block;
-  padding: @thumbnail-padding;
-  margin-bottom: @line-height-computed;
-  line-height: @line-height-base;
-  background-color: @thumbnail-bg;
-  border: 1px solid @thumbnail-border;
-  border-radius: @thumbnail-border-radius;
-  .transition(border .2s ease-in-out);
-
-  > img,
-  a > img {
-    &:extend(.img-responsive);
-    margin-left: auto;
-    margin-right: auto;
-  }
-
-  // Add a hover state for linked versions only
-  a&:hover,
-  a&:focus,
-  a&.active {
-    border-color: @link-color;
-  }
-
-  // Image captions
-  .caption {
-    padding: @thumbnail-caption-padding;
-    color: @thumbnail-caption-color;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/tooltip.less b/third_party/fmt-9.1.0/doc/bootstrap/tooltip.less
deleted file mode 100644
index 9d568474..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/tooltip.less
+++ /dev/null
@@ -1,102 +0,0 @@
-//
-// Tooltips
-// --------------------------------------------------
-
-
-// Base class
-.tooltip {
-  position: absolute;
-  z-index: @zindex-tooltip;
-  display: block;
-  // Reset font and text properties given new insertion method
-  font-family: @font-family-base;
-  font-size: @font-size-small;
-  font-weight: normal;
-  line-height: 1.4;
-  .opacity(0);
-
-  &.in     { .opacity(@tooltip-opacity); }
-  &.top    { margin-top:  -3px; padding: @tooltip-arrow-width 0; }
-  &.right  { margin-left:  3px; padding: 0 @tooltip-arrow-width; }
-  &.bottom { margin-top:   3px; padding: @tooltip-arrow-width 0; }
-  &.left   { margin-left: -3px; padding: 0 @tooltip-arrow-width; }
-}
-
-// Wrapper for the tooltip content
-.tooltip-inner {
-  max-width: @tooltip-max-width;
-  padding: 3px 8px;
-  color: @tooltip-color;
-  text-align: center;
-  text-decoration: none;
-  background-color: @tooltip-bg;
-  border-radius: @border-radius-base;
-}
-
-// Arrows
-.tooltip-arrow {
-  position: absolute;
-  width: 0;
-  height: 0;
-  border-color: transparent;
-  border-style: solid;
-}
-// Note: Deprecated .top-left, .top-right, .bottom-left, and .bottom-right as of v3.3.1
-.tooltip {
-  &.top .tooltip-arrow {
-    bottom: 0;
-    left: 50%;
-    margin-left: -@tooltip-arrow-width;
-    border-width: @tooltip-arrow-width @tooltip-arrow-width 0;
-    border-top-color: @tooltip-arrow-color;
-  }
-  &.top-left .tooltip-arrow {
-    bottom: 0;
-    right: @tooltip-arrow-width;
-    margin-bottom: -@tooltip-arrow-width;
-    border-width: @tooltip-arrow-width @tooltip-arrow-width 0;
-    border-top-color: @tooltip-arrow-color;
-  }
-  &.top-right .tooltip-arrow {
-    bottom: 0;
-    left: @tooltip-arrow-width;
-    margin-bottom: -@tooltip-arrow-width;
-    border-width: @tooltip-arrow-width @tooltip-arrow-width 0;
-    border-top-color: @tooltip-arrow-color;
-  }
-  &.right .tooltip-arrow {
-    top: 50%;
-    left: 0;
-    margin-top: -@tooltip-arrow-width;
-    border-width: @tooltip-arrow-width @tooltip-arrow-width @tooltip-arrow-width 0;
-    border-right-color: @tooltip-arrow-color;
-  }
-  &.left .tooltip-arrow {
-    top: 50%;
-    right: 0;
-    margin-top: -@tooltip-arrow-width;
-    border-width: @tooltip-arrow-width 0 @tooltip-arrow-width @tooltip-arrow-width;
-    border-left-color: @tooltip-arrow-color;
-  }
-  &.bottom .tooltip-arrow {
-    top: 0;
-    left: 50%;
-    margin-left: -@tooltip-arrow-width;
-    border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;
-    border-bottom-color: @tooltip-arrow-color;
-  }
-  &.bottom-left .tooltip-arrow {
-    top: 0;
-    right: @tooltip-arrow-width;
-    margin-top: -@tooltip-arrow-width;
-    border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;
-    border-bottom-color: @tooltip-arrow-color;
-  }
-  &.bottom-right .tooltip-arrow {
-    top: 0;
-    left: @tooltip-arrow-width;
-    margin-top: -@tooltip-arrow-width;
-    border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;
-    border-bottom-color: @tooltip-arrow-color;
-  }
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/type.less b/third_party/fmt-9.1.0/doc/bootstrap/type.less
deleted file mode 100644
index 68ba6017..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/type.less
+++ /dev/null
@@ -1,302 +0,0 @@
-//
-// Typography
-// --------------------------------------------------
-
-
-// Headings
-// -------------------------
-
-h1, h2, h3, h4, h5, h6,
-.h1, .h2, .h3, .h4, .h5, .h6 {
-  font-family: @headings-font-family;
-  font-weight: @headings-font-weight;
-  line-height: @headings-line-height;
-  color: @headings-color;
-
-  small,
-  .small {
-    font-weight: normal;
-    line-height: 1;
-    color: @headings-small-color;
-  }
-}
-
-h1, .h1,
-h2, .h2,
-h3, .h3 {
-  margin-top: @line-height-computed;
-  margin-bottom: (@line-height-computed / 2);
-
-  small,
-  .small {
-    font-size: 65%;
-  }
-}
-h4, .h4,
-h5, .h5,
-h6, .h6 {
-  margin-top: (@line-height-computed / 2);
-  margin-bottom: (@line-height-computed / 2);
-
-  small,
-  .small {
-    font-size: 75%;
-  }
-}
-
-h1, .h1 { font-size: @font-size-h1; }
-h2, .h2 { font-size: @font-size-h2; }
-h3, .h3 { font-size: @font-size-h3; }
-h4, .h4 { font-size: @font-size-h4; }
-h5, .h5 { font-size: @font-size-h5; }
-h6, .h6 { font-size: @font-size-h6; }
-
-
-// Body text
-// -------------------------
-
-p {
-  margin: 0 0 (@line-height-computed / 2);
-}
-
-.lead {
-  margin-bottom: @line-height-computed;
-  font-size: floor((@font-size-base * 1.15));
-  font-weight: 300;
-  line-height: 1.4;
-
-  @media (min-width: @screen-sm-min) {
-    font-size: (@font-size-base * 1.5);
-  }
-}
-
-
-// Emphasis & misc
-// -------------------------
-
-// Ex: (12px small font / 14px base font) * 100% = about 85%
-small,
-.small {
-  font-size: floor((100% * @font-size-small / @font-size-base));
-}
-
-mark,
-.mark {
-  background-color: @state-warning-bg;
-  padding: .2em;
-}
-
-// Alignment
-.text-left           { text-align: left; }
-.text-right          { text-align: right; }
-.text-center         { text-align: center; }
-.text-justify        { text-align: justify; }
-.text-nowrap         { white-space: nowrap; }
-
-// Transformation
-.text-lowercase      { text-transform: lowercase; }
-.text-uppercase      { text-transform: uppercase; }
-.text-capitalize     { text-transform: capitalize; }
-
-// Contextual colors
-.text-muted {
-  color: @text-muted;
-}
-.text-primary {
-  .text-emphasis-variant(@brand-primary);
-}
-.text-success {
-  .text-emphasis-variant(@state-success-text);
-}
-.text-info {
-  .text-emphasis-variant(@state-info-text);
-}
-.text-warning {
-  .text-emphasis-variant(@state-warning-text);
-}
-.text-danger {
-  .text-emphasis-variant(@state-danger-text);
-}
-
-// Contextual backgrounds
-// For now we'll leave these alongside the text classes until v4 when we can
-// safely shift things around (per SemVer rules).
-.bg-primary {
-  // Given the contrast here, this is the only class to have its color inverted
-  // automatically.
-  color: #fff;
-  .bg-variant(@brand-primary);
-}
-.bg-success {
-  .bg-variant(@state-success-bg);
-}
-.bg-info {
-  .bg-variant(@state-info-bg);
-}
-.bg-warning {
-  .bg-variant(@state-warning-bg);
-}
-.bg-danger {
-  .bg-variant(@state-danger-bg);
-}
-
-
-// Page header
-// -------------------------
-
-.page-header {
-  padding-bottom: ((@line-height-computed / 2) - 1);
-  margin: (@line-height-computed * 2) 0 @line-height-computed;
-  border-bottom: 1px solid @page-header-border-color;
-}
-
-
-// Lists
-// -------------------------
-
-// Unordered and Ordered lists
-ul,
-ol {
-  margin-top: 0;
-  margin-bottom: (@line-height-computed / 2);
-  ul,
-  ol {
-    margin-bottom: 0;
-  }
-}
-
-// List options
-
-// Unstyled keeps list items block level, just removes default browser padding and list-style
-.list-unstyled {
-  padding-left: 0;
-  list-style: none;
-}
-
-// Inline turns list items into inline-block
-.list-inline {
-  .list-unstyled();
-  margin-left: -5px;
-
-  > li {
-    display: inline-block;
-    padding-left: 5px;
-    padding-right: 5px;
-  }
-}
-
-// Description Lists
-dl {
-  margin-top: 0; // Remove browser default
-  margin-bottom: @line-height-computed;
-}
-dt,
-dd {
-  line-height: @line-height-base;
-}
-dt {
-  font-weight: bold;
-}
-dd {
-  margin-left: 0; // Undo browser default
-}
-
-// Horizontal description lists
-//
-// Defaults to being stacked without any of the below styles applied, until the
-// grid breakpoint is reached (default of ~768px).
-
-.dl-horizontal {
-  dd {
-    &:extend(.clearfix all); // Clear the floated `dt` if an empty `dd` is present
-  }
-
-  @media (min-width: @grid-float-breakpoint) {
-    dt {
-      float: left;
-      width: (@dl-horizontal-offset - 20);
-      clear: left;
-      text-align: right;
-      .text-overflow();
-    }
-    dd {
-      margin-left: @dl-horizontal-offset;
-    }
-  }
-}
-
-
-// Misc
-// -------------------------
-
-// Abbreviations and acronyms
-abbr[title],
-// Add data-* attribute to help out our tooltip plugin, per https://github.com/twbs/bootstrap/issues/5257
-abbr[data-original-title] {
-  cursor: help;
-  border-bottom: 1px dotted @abbr-border-color;
-}
-.initialism {
-  font-size: 90%;
-  .text-uppercase();
-}
-
-// Blockquotes
-blockquote {
-  padding: (@line-height-computed / 2) @line-height-computed;
-  margin: 0 0 @line-height-computed;
-  font-size: @blockquote-font-size;
-  border-left: 5px solid @blockquote-border-color;
-
-  p,
-  ul,
-  ol {
-    &:last-child {
-      margin-bottom: 0;
-    }
-  }
-
-  // Note: Deprecated small and .small as of v3.1.0
-  // Context: https://github.com/twbs/bootstrap/issues/11660
-  footer,
-  small,
-  .small {
-    display: block;
-    font-size: 80%; // back to default font-size
-    line-height: @line-height-base;
-    color: @blockquote-small-color;
-
-    &:before {
-      content: '\2014 \00A0'; // em dash, nbsp
-    }
-  }
-}
-
-// Opposite alignment of blockquote
-//
-// Heads up: `blockquote.pull-right` has been deprecated as of v3.1.0.
-.blockquote-reverse,
-blockquote.pull-right {
-  padding-right: 15px;
-  padding-left: 0;
-  border-right: 5px solid @blockquote-border-color;
-  border-left: 0;
-  text-align: right;
-
-  // Account for citation
-  footer,
-  small,
-  .small {
-    &:before { content: ''; }
-    &:after {
-      content: '\00A0 \2014'; // nbsp, em dash
-    }
-  }
-}
-
-// Addresses
-address {
-  margin-bottom: @line-height-computed;
-  font-style: normal;
-  line-height: @line-height-base;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/utilities.less b/third_party/fmt-9.1.0/doc/bootstrap/utilities.less
deleted file mode 100644
index 7a8ca27a..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/utilities.less
+++ /dev/null
@@ -1,55 +0,0 @@
-//
-// Utility classes
-// --------------------------------------------------
-
-
-// Floats
-// -------------------------
-
-.clearfix {
-  .clearfix();
-}
-.center-block {
-  .center-block();
-}
-.pull-right {
-  float: right !important;
-}
-.pull-left {
-  float: left !important;
-}
-
-
-// Toggling content
-// -------------------------
-
-// Note: Deprecated .hide in favor of .hidden or .sr-only (as appropriate) in v3.0.1
-.hide {
-  display: none !important;
-}
-.show {
-  display: block !important;
-}
-.invisible {
-  visibility: hidden;
-}
-.text-hide {
-  .text-hide();
-}
-
-
-// Hide from screenreaders and browsers
-//
-// Credit: HTML5 Boilerplate
-
-.hidden {
-  display: none !important;
-}
-
-
-// For Affix plugin
-// -------------------------
-
-.affix {
-  position: fixed;
-}
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/variables.less b/third_party/fmt-9.1.0/doc/bootstrap/variables.less
deleted file mode 100644
index b5fb9d02..00000000
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-//
-// Variables
-// --------------------------------------------------
-
-
-//== Colors
-//
-//## Gray and brand colors for use across Bootstrap.
-
-@gray-base:              #000;
-@gray-darker:            lighten(@gray-base, 13.5%); // #222
-@gray-dark:              lighten(@gray-base, 20%);   // #333
-@gray:                   lighten(@gray-base, 33.5%); // #555
-@gray-light:             lighten(@gray-base, 46.7%); // #777
-@gray-lighter:           lighten(@gray-base, 93.5%); // #eee
-
-@brand-primary:         darken(#428bca, 6.5%); // #337ab7
-@brand-success:         #5cb85c;
-@brand-info:            #5bc0de;
-@brand-warning:         #f0ad4e;
-@brand-danger:          #d9534f;
-
-
-//== Scaffolding
-//
-//## Settings for some of the most global styles.
-
-//** Background color for `<body>`.
-@body-bg:               #fff;
-//** Global text color on `<body>`.
-@text-color:            @gray-dark;
-
-//** Global textual link color.
-@link-color:            @brand-primary;
-//** Link hover color set via `darken()` function.
-@link-hover-color:      darken(@link-color, 15%);
-//** Link hover decoration.
-@link-hover-decoration: underline;
-
-
-//== Typography
-//
-//## Font, line-height, and color for body text, headings, and more.
-
-@font-family-sans-serif:  "Helvetica Neue", Helvetica, Arial, sans-serif;
-@font-family-serif:       Georgia, "Times New Roman", Times, serif;
-//** Default monospace fonts for `<code>`, `<kbd>`, and `<pre>`.
-@font-family-monospace:   Menlo, Monaco, Consolas, "Courier New", monospace;
-@font-family-base:        @font-family-sans-serif;
-
-@font-size-base:          14px;
-@font-size-large:         ceil((@font-size-base * 1.25)); // ~18px
-@font-size-small:         ceil((@font-size-base * 0.85)); // ~12px
-
-@font-size-h1:            floor((@font-size-base * 2.6)); // ~36px
-@font-size-h2:            floor((@font-size-base * 2.15)); // ~30px
-@font-size-h3:            ceil((@font-size-base * 1.7)); // ~24px
-@font-size-h4:            ceil((@font-size-base * 1.25)); // ~18px
-@font-size-h5:            @font-size-base;
-@font-size-h6:            ceil((@font-size-base * 0.85)); // ~12px
-
-//** Unit-less `line-height` for use in components like buttons.
-@line-height-base:        1.428571429; // 20/14
-//** Computed "line-height" (`font-size` * `line-height`) for use with `margin`, `padding`, etc.
-@line-height-computed:    floor((@font-size-base * @line-height-base)); // ~20px
-
-//** By default, this inherits from the `<body>`.
-@headings-font-family:    inherit;
-@headings-font-weight:    500;
-@headings-line-height:    1.1;
-@headings-color:          inherit;
-
-
-//== Iconography
-//
-//## Specify custom location and filename of the included Glyphicons icon font. Useful for those including Bootstrap via Bower.
-
-//** Load fonts from this directory.
-@icon-font-path:          "../fonts/";
-//** File name for all font files.
-@icon-font-name:          "glyphicons-halflings-regular";
-//** Element ID within SVG icon file.
-@icon-font-svg-id:        "glyphicons_halflingsregular";
-
-
-//== Components
-//
-//## Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).
-
-@padding-base-vertical:     6px;
-@padding-base-horizontal:   12px;
-
-@padding-large-vertical:    10px;
-@padding-large-horizontal:  16px;
-
-@padding-small-vertical:    5px;
-@padding-small-horizontal:  10px;
-
-@padding-xs-vertical:       1px;
-@padding-xs-horizontal:     5px;
-
-@line-height-large:         1.3333333; // extra decimals for Win 8.1 Chrome
-@line-height-small:         1.5;
-
-@border-radius-base:        4px;
-@border-radius-large:       6px;
-@border-radius-small:       3px;
-
-//** Global color for active items (e.g., navs or dropdowns).
-@component-active-color:    #fff;
-//** Global background color for active items (e.g., navs or dropdowns).
-@component-active-bg:       @brand-primary;
-
-//** Width of the `border` for generating carets that indicator dropdowns.
-@caret-width-base:          4px;
-//** Carets increase slightly in size for larger components.
-@caret-width-large:         5px;
-
-
-//== Tables
-//
-//## Customizes the `.table` component with basic values, each used across all table variations.
-
-//** Padding for `<th>`s and `<td>`s.
-@table-cell-padding:            8px;
-//** Padding for cells in `.table-condensed`.
-@table-condensed-cell-padding:  5px;
-
-//** Default background color used for all tables.
-@table-bg:                      transparent;
-//** Background color used for `.table-striped`.
-@table-bg-accent:               #f9f9f9;
-//** Background color used for `.table-hover`.
-@table-bg-hover:                #f5f5f5;
-@table-bg-active:               @table-bg-hover;
-
-//** Border color for table and cell borders.
-@table-border-color:            #ddd;
-
-
-//== Buttons
-//
-//## For each of Bootstrap's buttons, define text, background and border color.
-
-@btn-font-weight:                normal;
-
-@btn-default-color:              #333;
-@btn-default-bg:                 #fff;
-@btn-default-border:             #ccc;
-
-@btn-primary-color:              #fff;
-@btn-primary-bg:                 @brand-primary;
-@btn-primary-border:             darken(@btn-primary-bg, 5%);
-
-@btn-success-color:              #fff;
-@btn-success-bg:                 @brand-success;
-@btn-success-border:             darken(@btn-success-bg, 5%);
-
-@btn-info-color:                 #fff;
-@btn-info-bg:                    @brand-info;
-@btn-info-border:                darken(@btn-info-bg, 5%);
-
-@btn-warning-color:              #fff;
-@btn-warning-bg:                 @brand-warning;
-@btn-warning-border:             darken(@btn-warning-bg, 5%);
-
-@btn-danger-color:               #fff;
-@btn-danger-bg:                  @brand-danger;
-@btn-danger-border:              darken(@btn-danger-bg, 5%);
-
-@btn-link-disabled-color:        @gray-light;
-
-
-//== Forms
-//
-//##
-
-//** `<input>` background color
-@input-bg:                       #fff;
-//** `<input disabled>` background color
-@input-bg-disabled:              @gray-lighter;
-
-//** Text color for `<input>`s
-@input-color:                    @gray;
-//** `<input>` border color
-@input-border:                   #ccc;
-
-// TODO: Rename `@input-border-radius` to `@input-border-radius-base` in v4
-//** Default `.form-control` border radius
-// This has no effect on `<select>`s in some browsers, due to the limited stylability of `<select>`s in CSS.
-@input-border-radius:            @border-radius-base;
-//** Large `.form-control` border radius
-@input-border-radius-large:      @border-radius-large;
-//** Small `.form-control` border radius
-@input-border-radius-small:      @border-radius-small;
-
-//** Border color for inputs on focus
-@input-border-focus:             #66afe9;
-
-//** Placeholder text color
-@input-color-placeholder:        #999;
-
-//** Default `.form-control` height
-@input-height-base:              (@line-height-computed + (@padding-base-vertical * 2) + 2);
-//** Large `.form-control` height
-@input-height-large:             (ceil(@font-size-large * @line-height-large) + (@padding-large-vertical * 2) + 2);
-//** Small `.form-control` height
-@input-height-small:             (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);
-
-//** `.form-group` margin
-@form-group-margin-bottom:       15px;
-
-@legend-color:                   @gray-dark;
-@legend-border-color:            #e5e5e5;
-
-//** Background color for textual input addons
-@input-group-addon-bg:           @gray-lighter;
-//** Border color for textual input addons
-@input-group-addon-border-color: @input-border;
-
-//** Disabled cursor for form controls and buttons.
-@cursor-disabled:                not-allowed;
-
-
-//== Dropdowns
-//
-//## Dropdown menu container and contents.
-
-//** Background for the dropdown menu.
-@dropdown-bg:                    #fff;
-//** Dropdown menu `border-color`.
-@dropdown-border:                rgba(0,0,0,.15);
-//** Dropdown menu `border-color` **for IE8**.
-@dropdown-fallback-border:       #ccc;
-//** Divider color for between dropdown items.
-@dropdown-divider-bg:            #e5e5e5;
-
-//** Dropdown link text color.
-@dropdown-link-color:            @gray-dark;
-//** Hover color for dropdown links.
-@dropdown-link-hover-color:      darken(@gray-dark, 5%);
-//** Hover background for dropdown links.
-@dropdown-link-hover-bg:         #f5f5f5;
-
-//** Active dropdown menu item text color.
-@dropdown-link-active-color:     @component-active-color;
-//** Active dropdown menu item background color.
-@dropdown-link-active-bg:        @component-active-bg;
-
-//** Disabled dropdown menu item background color.
-@dropdown-link-disabled-color:   @gray-light;
-
-//** Text color for headers within dropdown menus.
-@dropdown-header-color:          @gray-light;
-
-//** Deprecated `@dropdown-caret-color` as of v3.1.0
-@dropdown-caret-color:           #000;
-
-
-//-- Z-index master list
-//
-// Warning: Avoid customizing these values. They're used for a bird's eye view
-// of components dependent on the z-axis and are designed to all work together.
-//
-// Note: These variables are not generated into the Customizer.
-
-@zindex-navbar:            1000;
-@zindex-dropdown:          1000;
-@zindex-popover:           1060;
-@zindex-tooltip:           1070;
-@zindex-navbar-fixed:      1030;
-@zindex-modal-background:  1040;
-@zindex-modal:             1050;
-
-
-//== Media queries breakpoints
-//
-//## Define the breakpoints at which your layout will change, adapting to different screen sizes.
-
-// Extra small screen / phone
-//** Deprecated `@screen-xs` as of v3.0.1
-@screen-xs:                  480px;
-//** Deprecated `@screen-xs-min` as of v3.2.0
-@screen-xs-min:              @screen-xs;
-//** Deprecated `@screen-phone` as of v3.0.1
-@screen-phone:               @screen-xs-min;
-
-// Small screen / tablet
-//** Deprecated `@screen-sm` as of v3.0.1
-@screen-sm:                  768px;
-@screen-sm-min:              @screen-sm;
-//** Deprecated `@screen-tablet` as of v3.0.1
-@screen-tablet:              @screen-sm-min;
-
-// Medium screen / desktop
-//** Deprecated `@screen-md` as of v3.0.1
-@screen-md:                  992px;
-@screen-md-min:              @screen-md;
-//** Deprecated `@screen-desktop` as of v3.0.1
-@screen-desktop:             @screen-md-min;
-
-// Large screen / wide desktop
-//** Deprecated `@screen-lg` as of v3.0.1
-@screen-lg:                  1200px;
-@screen-lg-min:              @screen-lg;
-//** Deprecated `@screen-lg-desktop` as of v3.0.1
-@screen-lg-desktop:          @screen-lg-min;
-
-// So media queries don't overlap when required, provide a maximum
-@screen-xs-max:              (@screen-sm-min - 1);
-@screen-sm-max:              (@screen-md-min - 1);
-@screen-md-max:              (@screen-lg-min - 1);
-
-
-//== Grid system
-//
-//## Define your custom responsive grid.
-
-//** Number of columns in the grid.
-@grid-columns:              12;
-//** Padding between columns. Gets divided in half for the left and right.
-@grid-gutter-width:         30px;
-// Navbar collapse
-//** Point at which the navbar becomes uncollapsed.
-@grid-float-breakpoint:     @screen-sm-min;
-//** Point at which the navbar begins collapsing.
-@grid-float-breakpoint-max: (@grid-float-breakpoint - 1);
-
-
-//== Container sizes
-//
-//## Define the maximum width of `.container` for different screen sizes.
-
-// Small screen / tablet
-@container-tablet:             (720px + @grid-gutter-width);
-//** For `@screen-sm-min` and up.
-@container-sm:                 @container-tablet;
-
-// Medium screen / desktop
-@container-desktop:            (940px + @grid-gutter-width);
-//** For `@screen-md-min` and up.
-@container-md:                 @container-desktop;
-
-// Large screen / wide desktop
-@container-large-desktop:      (1140px + @grid-gutter-width);
-//** For `@screen-lg-min` and up.
-@container-lg:                 @container-large-desktop;
-
-
-//== Navbar
-//
-//##
-
-// Basics of a navbar
-@navbar-height:                    50px;
-@navbar-margin-bottom:             @line-height-computed;
-@navbar-border-radius:             @border-radius-base;
-@navbar-padding-horizontal:        floor((@grid-gutter-width / 2));
-@navbar-padding-vertical:          ((@navbar-height - @line-height-computed) / 2);
-@navbar-collapse-max-height:       340px;
-
-@navbar-default-color:             #777;
-@navbar-default-bg:                #f8f8f8;
-@navbar-default-border:            darken(@navbar-default-bg, 6.5%);
-
-// Navbar links
-@navbar-default-link-color:                #777;
-@navbar-default-link-hover-color:          #333;
-@navbar-default-link-hover-bg:             transparent;
-@navbar-default-link-active-color:         #555;
-@navbar-default-link-active-bg:            darken(@navbar-default-bg, 6.5%);
-@navbar-default-link-disabled-color:       #ccc;
-@navbar-default-link-disabled-bg:          transparent;
-
-// Navbar brand label
-@navbar-default-brand-color:               @navbar-default-link-color;
-@navbar-default-brand-hover-color:         darken(@navbar-default-brand-color, 10%);
-@navbar-default-brand-hover-bg:            transparent;
-
-// Navbar toggle
-@navbar-default-toggle-hover-bg:           #ddd;
-@navbar-default-toggle-icon-bar-bg:        #888;
-@navbar-default-toggle-border-color:       #ddd;
-
-
-// Inverted navbar
-// Reset inverted navbar basics
-@navbar-inverse-color:                      lighten(@gray-light, 15%);
-@navbar-inverse-bg:                         #222;
-@navbar-inverse-border:                     darken(@navbar-inverse-bg, 10%);
-
-// Inverted navbar links
-@navbar-inverse-link-color:                 lighten(@gray-light, 15%);
-@navbar-inverse-link-hover-color:           #fff;
-@navbar-inverse-link-hover-bg:              transparent;
-@navbar-inverse-link-active-color:          @navbar-inverse-link-hover-color;
-@navbar-inverse-link-active-bg:             darken(@navbar-inverse-bg, 10%);
-@navbar-inverse-link-disabled-color:        #444;
-@navbar-inverse-link-disabled-bg:           transparent;
-
-// Inverted navbar brand label
-@navbar-inverse-brand-color:                @navbar-inverse-link-color;
-@navbar-inverse-brand-hover-color:          #fff;
-@navbar-inverse-brand-hover-bg:             transparent;
-
-// Inverted navbar toggle
-@navbar-inverse-toggle-hover-bg:            #333;
-@navbar-inverse-toggle-icon-bar-bg:         #fff;
-@navbar-inverse-toggle-border-color:        #333;
-
-
-//== Navs
-//
-//##
-
-//=== Shared nav styles
-@nav-link-padding:                          10px 15px;
-@nav-link-hover-bg:                         @gray-lighter;
-
-@nav-disabled-link-color:                   @gray-light;
-@nav-disabled-link-hover-color:             @gray-light;
-
-//== Tabs
-@nav-tabs-border-color:                     #ddd;
-
-@nav-tabs-link-hover-border-color:          @gray-lighter;
-
-@nav-tabs-active-link-hover-bg:             @body-bg;
-@nav-tabs-active-link-hover-color:          @gray;
-@nav-tabs-active-link-hover-border-color:   #ddd;
-
-@nav-tabs-justified-link-border-color:            #ddd;
-@nav-tabs-justified-active-link-border-color:     @body-bg;
-
-//== Pills
-@nav-pills-border-radius:                   @border-radius-base;
-@nav-pills-active-link-hover-bg:            @component-active-bg;
-@nav-pills-active-link-hover-color:         @component-active-color;
-
-
-//== Pagination
-//
-//##
-
-@pagination-color:                     @link-color;
-@pagination-bg:                        #fff;
-@pagination-border:                    #ddd;
-
-@pagination-hover-color:               @link-hover-color;
-@pagination-hover-bg:                  @gray-lighter;
-@pagination-hover-border:              #ddd;
-
-@pagination-active-color:              #fff;
-@pagination-active-bg:                 @brand-primary;
-@pagination-active-border:             @brand-primary;
-
-@pagination-disabled-color:            @gray-light;
-@pagination-disabled-bg:               #fff;
-@pagination-disabled-border:           #ddd;
-
-
-//== Pager
-//
-//##
-
-@pager-bg:                             @pagination-bg;
-@pager-border:                         @pagination-border;
-@pager-border-radius:                  15px;
-
-@pager-hover-bg:                       @pagination-hover-bg;
-
-@pager-active-bg:                      @pagination-active-bg;
-@pager-active-color:                   @pagination-active-color;
-
-@pager-disabled-color:                 @pagination-disabled-color;
-
-
-//== Jumbotron
-//
-//##
-
-@jumbotron-padding:              30px;
-@jumbotron-color:                inherit;
-@jumbotron-bg:                   @gray-lighter;
-@jumbotron-heading-color:        inherit;
-@jumbotron-font-size:            ceil((@font-size-base * 1.5));
-
-
-//== Form states and alerts
-//
-//## Define colors for form feedback states and, by default, alerts.
-
-@state-success-text:             #3c763d;
-@state-success-bg:               #dff0d8;
-@state-success-border:           darken(spin(@state-success-bg, -10), 5%);
-
-@state-info-text:                #31708f;
-@state-info-bg:                  #d9edf7;
-@state-info-border:              darken(spin(@state-info-bg, -10), 7%);
-
-@state-warning-text:             #8a6d3b;
-@state-warning-bg:               #fcf8e3;
-@state-warning-border:           darken(spin(@state-warning-bg, -10), 5%);
-
-@state-danger-text:              #a94442;
-@state-danger-bg:                #f2dede;
-@state-danger-border:            darken(spin(@state-danger-bg, -10), 5%);
-
-
-//== Tooltips
-//
-//##
-
-//** Tooltip max width
-@tooltip-max-width:           200px;
-//** Tooltip text color
-@tooltip-color:               #fff;
-//** Tooltip background color
-@tooltip-bg:                  #000;
-@tooltip-opacity:             .9;
-
-//** Tooltip arrow width
-@tooltip-arrow-width:         5px;
-//** Tooltip arrow color
-@tooltip-arrow-color:         @tooltip-bg;
-
-
-//== Popovers
-//
-//##
-
-//** Popover body background color
-@popover-bg:                          #fff;
-//** Popover maximum width
-@popover-max-width:                   276px;
-//** Popover border color
-@popover-border-color:                rgba(0,0,0,.2);
-//** Popover fallback border color
-@popover-fallback-border-color:       #ccc;
-
-//** Popover title background color
-@popover-title-bg:                    darken(@popover-bg, 3%);
-
-//** Popover arrow width
-@popover-arrow-width:                 10px;
-//** Popover arrow color
-@popover-arrow-color:                 @popover-bg;
-
-//** Popover outer arrow width
-@popover-arrow-outer-width:           (@popover-arrow-width + 1);
-//** Popover outer arrow color
-@popover-arrow-outer-color:           fadein(@popover-border-color, 5%);
-//** Popover outer arrow fallback color
-@popover-arrow-outer-fallback-color:  darken(@popover-fallback-border-color, 20%);
-
-
-//== Labels
-//
-//##
-
-//** Default label background color
-@label-default-bg:            @gray-light;
-//** Primary label background color
-@label-primary-bg:            @brand-primary;
-//** Success label background color
-@label-success-bg:            @brand-success;
-//** Info label background color
-@label-info-bg:               @brand-info;
-//** Warning label background color
-@label-warning-bg:            @brand-warning;
-//** Danger label background color
-@label-danger-bg:             @brand-danger;
-
-//** Default label text color
-@label-color:                 #fff;
-//** Default text color of a linked label
-@label-link-hover-color:      #fff;
-
-
-//== Modals
-//
-//##
-
-//** Padding applied to the modal body
-@modal-inner-padding:         15px;
-
-//** Padding applied to the modal title
-@modal-title-padding:         15px;
-//** Modal title line-height
-@modal-title-line-height:     @line-height-base;
-
-//** Background color of modal content area
-@modal-content-bg:                             #fff;
-//** Modal content border color
-@modal-content-border-color:                   rgba(0,0,0,.2);
-//** Modal content border color **for IE8**
-@modal-content-fallback-border-color:          #999;
-
-//** Modal backdrop background color
-@modal-backdrop-bg:           #000;
-//** Modal backdrop opacity
-@modal-backdrop-opacity:      .5;
-//** Modal header border color
-@modal-header-border-color:   #e5e5e5;
-//** Modal footer border color
-@modal-footer-border-color:   @modal-header-border-color;
-
-@modal-lg:                    900px;
-@modal-md:                    600px;
-@modal-sm:                    300px;
-
-
-//== Alerts
-//
-//## Define alert colors, border radius, and padding.
-
-@alert-padding:               15px;
-@alert-border-radius:         @border-radius-base;
-@alert-link-font-weight:      bold;
-
-@alert-success-bg:            @state-success-bg;
-@alert-success-text:          @state-success-text;
-@alert-success-border:        @state-success-border;
-
-@alert-info-bg:               @state-info-bg;
-@alert-info-text:             @state-info-text;
-@alert-info-border:           @state-info-border;
-
-@alert-warning-bg:            @state-warning-bg;
-@alert-warning-text:          @state-warning-text;
-@alert-warning-border:        @state-warning-border;
-
-@alert-danger-bg:             @state-danger-bg;
-@alert-danger-text:           @state-danger-text;
-@alert-danger-border:         @state-danger-border;
-
-
-//== Progress bars
-//
-//##
-
-//** Background color of the whole progress component
-@progress-bg:                 #f5f5f5;
-//** Progress bar text color
-@progress-bar-color:          #fff;
-//** Variable for setting rounded corners on progress bar.
-@progress-border-radius:      @border-radius-base;
-
-//** Default progress bar color
-@progress-bar-bg:             @brand-primary;
-//** Success progress bar color
-@progress-bar-success-bg:     @brand-success;
-//** Warning progress bar color
-@progress-bar-warning-bg:     @brand-warning;
-//** Danger progress bar color
-@progress-bar-danger-bg:      @brand-danger;
-//** Info progress bar color
-@progress-bar-info-bg:        @brand-info;
-
-
-//== List group
-//
-//##
-
-//** Background color on `.list-group-item`
-@list-group-bg:                 #fff;
-//** `.list-group-item` border color
-@list-group-border:             #ddd;
-//** List group border radius
-@list-group-border-radius:      @border-radius-base;
-
-//** Background color of single list items on hover
-@list-group-hover-bg:           #f5f5f5;
-//** Text color of active list items
-@list-group-active-color:       @component-active-color;
-//** Background color of active list items
-@list-group-active-bg:          @component-active-bg;
-//** Border color of active list elements
-@list-group-active-border:      @list-group-active-bg;
-//** Text color for content within active list items
-@list-group-active-text-color:  lighten(@list-group-active-bg, 40%);
-
-//** Text color of disabled list items
-@list-group-disabled-color:      @gray-light;
-//** Background color of disabled list items
-@list-group-disabled-bg:         @gray-lighter;
-//** Text color for content within disabled list items
-@list-group-disabled-text-color: @list-group-disabled-color;
-
-@list-group-link-color:         #555;
-@list-group-link-hover-color:   @list-group-link-color;
-@list-group-link-heading-color: #333;
-
-
-//== Panels
-//
-//##
-
-@panel-bg:                    #fff;
-@panel-body-padding:          15px;
-@panel-heading-padding:       10px 15px;
-@panel-footer-padding:        @panel-heading-padding;
-@panel-border-radius:         @border-radius-base;
-
-//** Border color for elements within panels
-@panel-inner-border:          #ddd;
-@panel-footer-bg:             #f5f5f5;
-
-@panel-default-text:          @gray-dark;
-@panel-default-border:        #ddd;
-@panel-default-heading-bg:    #f5f5f5;
-
-@panel-primary-text:          #fff;
-@panel-primary-border:        @brand-primary;
-@panel-primary-heading-bg:    @brand-primary;
-
-@panel-success-text:          @state-success-text;
-@panel-success-border:        @state-success-border;
-@panel-success-heading-bg:    @state-success-bg;
-
-@panel-info-text:             @state-info-text;
-@panel-info-border:           @state-info-border;
-@panel-info-heading-bg:       @state-info-bg;
-
-@panel-warning-text:          @state-warning-text;
-@panel-warning-border:        @state-warning-border;
-@panel-warning-heading-bg:    @state-warning-bg;
-
-@panel-danger-text:           @state-danger-text;
-@panel-danger-border:         @state-danger-border;
-@panel-danger-heading-bg:     @state-danger-bg;
-
-
-//== Thumbnails
-//
-//##
-
-//** Padding around the thumbnail image
-@thumbnail-padding:           4px;
-//** Thumbnail background color
-@thumbnail-bg:                @body-bg;
-//** Thumbnail border color
-@thumbnail-border:            #ddd;
-//** Thumbnail border radius
-@thumbnail-border-radius:     @border-radius-base;
-
-//** Custom text color for thumbnail captions
-@thumbnail-caption-color:     @text-color;
-//** Padding around the thumbnail caption
-@thumbnail-caption-padding:   9px;
-
-
-//== Wells
-//
-//##
-
-@well-bg:                     #f5f5f5;
-@well-border:                 darken(@well-bg, 7%);
-
-
-//== Badges
-//
-//##
-
-@badge-color:                 #fff;
-//** Linked badge text color on hover
-@badge-link-hover-color:      #fff;
-@badge-bg:                    @gray-light;
-
-//** Badge text color in active nav link
-@badge-active-color:          @link-color;
-//** Badge background color in active nav link
-@badge-active-bg:             #fff;
-
-@badge-font-weight:           bold;
-@badge-line-height:           1;
-@badge-border-radius:         10px;
-
-
-//== Breadcrumbs
-//
-//##
-
-@breadcrumb-padding-vertical:   8px;
-@breadcrumb-padding-horizontal: 15px;
-//** Breadcrumb background color
-@breadcrumb-bg:                 #f5f5f5;
-//** Breadcrumb text color
-@breadcrumb-color:              #ccc;
-//** Text color of current page in the breadcrumb
-@breadcrumb-active-color:       @gray-light;
-//** Textual separator for between breadcrumb elements
-@breadcrumb-separator:          "/";
-
-
-//== Carousel
-//
-//##
-
-@carousel-text-shadow:                        0 1px 2px rgba(0,0,0,.6);
-
-@carousel-control-color:                      #fff;
-@carousel-control-width:                      15%;
-@carousel-control-opacity:                    .5;
-@carousel-control-font-size:                  20px;
-
-@carousel-indicator-active-bg:                #fff;
-@carousel-indicator-border-color:             #fff;
-
-@carousel-caption-color:                      #fff;
-
-
-//== Close
-//
-//##
-
-@close-font-weight:           bold;
-@close-color:                 #000;
-@close-text-shadow:           0 1px 0 #fff;
-
-
-//== Code
-//
-//##
-
-@code-color:                  #c7254e;
-@code-bg:                     #f9f2f4;
-
-@kbd-color:                   #fff;
-@kbd-bg:                      #333;
-
-@pre-bg:                      #f5f5f5;
-@pre-color:                   @gray-dark;
-@pre-border-color:            #ccc;
-@pre-scrollable-max-height:   340px;
-
-
-//== Type
-//
-//##
-
-//** Horizontal offset for forms and lists.
-@component-offset-horizontal: 180px;
-//** Text muted color
-@text-muted:                  @gray-light;
-//** Abbreviations and acronyms border color
-@abbr-border-color:           @gray-light;
-//** Headings small color
-@headings-small-color:        @gray-light;
-//** Blockquote small color
-@blockquote-small-color:      @gray-light;
-//** Blockquote font size
-@blockquote-font-size:        (@font-size-base * 1.25);
-//** Blockquote border color
-@blockquote-border-color:     @gray-lighter;
-//** Page header border color
-@page-header-border-color:    @gray-lighter;
-//** Width of horizontal description list titles
-@dl-horizontal-offset:        @component-offset-horizontal;
-//** Horizontal line color.
-@hr-border:                   @gray-lighter;
diff --git a/third_party/fmt-9.1.0/doc/bootstrap/wells.less b/third_party/fmt-9.1.0/doc/bootstrap/wells.less
deleted file mode 100644
index 15d072b0..00000000
--- a/third_party/fmt-9.1.0/doc/bootstrap/wells.less
+++ /dev/null
@@ -1,29 +0,0 @@
-//
-// Wells
-// --------------------------------------------------
-
-
-// Base class
-.well {
-  min-height: 20px;
-  padding: 19px;
-  margin-bottom: 20px;
-  background-color: @well-bg;
-  border: 1px solid @well-border;
-  border-radius: @border-radius-base;
-  .box-shadow(inset 0 1px 1px rgba(0,0,0,.05));
-  blockquote {
-    border-color: #ddd;
-    border-color: rgba(0,0,0,.15);
-  }
-}
-
-// Sizes
-.well-lg {
-  padding: 24px;
-  border-radius: @border-radius-large;
-}
-.well-sm {
-  padding: 9px;
-  border-radius: @border-radius-small;
-}
diff --git a/third_party/fmt-9.1.0/doc/build.py b/third_party/fmt-9.1.0/doc/build.py
deleted file mode 100644
index 56142da2..00000000
--- a/third_party/fmt-9.1.0/doc/build.py
+++ /dev/null
@@ -1,122 +0,0 @@
-#!/usr/bin/env python3
-# Build the documentation.
-
-import errno, os, re, sys
-from subprocess import check_call, CalledProcessError, Popen, PIPE, STDOUT
-
-versions = ['1.0.0', '1.1.0', '2.0.0', '3.0.2', '4.0.0', '4.1.0', '5.0.0', '5.1.0', '5.2.0', '5.2.1', '5.3.0', '6.0.0', '6.1.0', '6.1.1', '6.1.2', '6.2.0', '6.2.1', '7.0.0', '7.0.1', '7.0.2', '7.0.3', '7.1.0', '7.1.1', '7.1.2', '7.1.3', '8.0.0', '8.0.1', '8.1.0', '8.1.1', '9.0.0', '9.1.0']
-
-class Pip:
-  def __init__(self, venv_dir):
-    self.path = os.path.join(venv_dir, 'bin', 'pip')
-
-  def install(self, package, commit=None):
-    "Install package using pip."
-    if commit:
-      package = 'git+https://github.com/{0}.git@{1}'.format(package, commit)
-    print('Installing {0}'.format(package))
-    check_call([self.path, 'install', package])
-
-def create_build_env(venv_dir='virtualenv'):
-  # Create virtualenv.
-  if not os.path.exists(venv_dir):
-    check_call(['python3', '-m', 'venv', venv_dir])
-  # Install Sphinx and Breathe. Require the exact version of Sphinx which is
-  # compatible with Breathe.
-  pip = Pip(venv_dir)
-  pip.install('wheel')
-  pip.install('six')
-  # See: https://github.com/sphinx-doc/sphinx/issues/9777
-  pip.install('docutils==0.17.1')
-  # Jinja2 >= 3.1 incompatible with sphinx 3.3.0
-  # See: https://github.com/sphinx-doc/sphinx/issues/10291
-  pip.install('Jinja2<3.1')
-  pip.install('sphinx-doc/sphinx', 'v3.3.0')
-  pip.install('michaeljones/breathe', 'v4.25.0')
-
-def build_docs(version='dev', **kwargs):
-  doc_dir = kwargs.get('doc_dir', os.path.dirname(os.path.realpath(__file__)))
-  work_dir = kwargs.get('work_dir', '.')
-  include_dir = kwargs.get(
-      'include_dir', os.path.join(os.path.dirname(doc_dir), 'include', 'fmt'))
-  # Build docs.
-  cmd = ['doxygen', '-']
-  p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
-  doxyxml_dir = os.path.join(work_dir, 'doxyxml')
-  out, _ = p.communicate(input=r'''
-      PROJECT_NAME      = fmt
-      GENERATE_LATEX    = NO
-      GENERATE_MAN      = NO
-      GENERATE_RTF      = NO
-      CASE_SENSE_NAMES  = NO
-      INPUT             = {0}/chrono.h {0}/color.h {0}/core.h {0}/compile.h \
-                          {0}/format.h {0}/os.h {0}/ostream.h {0}/printf.h \
-                          {0}/xchar.h
-      QUIET             = YES
-      JAVADOC_AUTOBRIEF = YES
-      AUTOLINK_SUPPORT  = NO
-      GENERATE_HTML     = NO
-      GENERATE_XML      = YES
-      XML_OUTPUT        = {1}
-      ALIASES           = "rst=\verbatim embed:rst"
-      ALIASES          += "endrst=\endverbatim"
-      MACRO_EXPANSION   = YES
-      PREDEFINED        = _WIN32=1 \
-                          __linux__=1 \
-                          FMT_ENABLE_IF(...)= \
-                          FMT_USE_VARIADIC_TEMPLATES=1 \
-                          FMT_USE_RVALUE_REFERENCES=1 \
-                          FMT_USE_USER_DEFINED_LITERALS=1 \
-                          FMT_USE_ALIAS_TEMPLATES=1 \
-                          FMT_USE_NONTYPE_TEMPLATE_ARGS=1 \
-                          FMT_API= \
-                          "FMT_BEGIN_NAMESPACE=namespace fmt {{" \
-                          "FMT_END_NAMESPACE=}}" \
-                          "FMT_STRING_ALIAS=1" \
-                          "FMT_VARIADIC(...)=" \
-                          "FMT_VARIADIC_W(...)=" \
-                          "FMT_DOC=1"
-      EXCLUDE_SYMBOLS   = fmt::formatter fmt::printf_formatter fmt::arg_join \
-                          fmt::basic_format_arg::handle
-    '''.format(include_dir, doxyxml_dir).encode('UTF-8'))
-  out = out.decode('utf-8')
-  internal_symbols = [
-    'fmt::detail::.*',
-    'basic_data<>',
-    'fmt::type_identity',
-    'fmt::dynamic_formatter'
-  ]
-  noisy_warnings = [
-    'warning: (Compound|Member .* of class) (' + '|'.join(internal_symbols) + \
-      ') is not documented.',
-    'warning: Internal inconsistency: .* does not belong to any container!'
-  ]
-  for w in noisy_warnings:
-      out = re.sub('.*' + w + '\n', '', out)
-  print(out)
-  if p.returncode != 0:
-    raise CalledProcessError(p.returncode, cmd)
-
-  html_dir = os.path.join(work_dir, 'html')
-  main_versions = reversed(versions[-3:])
-  check_call([os.path.join(work_dir, 'virtualenv', 'bin', 'sphinx-build'),
-              '-Dbreathe_projects.format=' + os.path.abspath(doxyxml_dir),
-              '-Dversion=' + version, '-Drelease=' + version,
-              '-Aversion=' + version, '-Aversions=' + ','.join(main_versions),
-              '-b', 'html', doc_dir, html_dir])
-  try:
-    check_call(['lessc', '--verbose', '--clean-css',
-                '--include-path=' + os.path.join(doc_dir, 'bootstrap'),
-                os.path.join(doc_dir, 'fmt.less'),
-                os.path.join(html_dir, '_static', 'fmt.css')])
-  except OSError as e:
-    if e.errno != errno.ENOENT:
-      raise
-    print('lessc not found; make sure that Less (http://lesscss.org/) ' +
-          'is installed')
-    sys.exit(1)
-  return html_dir
-
-if __name__ == '__main__':
-  create_build_env()
-  build_docs(sys.argv[1])
diff --git a/third_party/fmt-9.1.0/doc/conf.py b/third_party/fmt-9.1.0/doc/conf.py
deleted file mode 100644
index 0756192b..00000000
--- a/third_party/fmt-9.1.0/doc/conf.py
+++ /dev/null
@@ -1,256 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# format documentation build configuration file, created by
-# sphinx-quickstart on Tue Dec 18 06:46:16 2012.
-#
-# This file is execfile()d with the current directory set to its containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-import sys, os, re, subprocess
-
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.insert(0, os.path.abspath('.'))
-
-# -- General configuration -----------------------------------------------------
-
-# If your documentation needs a minimal Sphinx version, state it here.
-needs_sphinx = '1.2'
-
-if os.environ.get('READTHEDOCS', None) == 'True':
-  subprocess.call('doxygen')
-
-# Add any Sphinx extension module names here, as strings. They can be extensions
-# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.ifconfig', 'breathe']
-
-breathe_default_project = "format"
-breathe_domain_by_extension = {"h" : "cpp"}
-
-# Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
-
-# The suffix of source filenames.
-source_suffix = '.rst'
-
-# The encoding of source files.
-#source_encoding = 'utf-8-sig'
-
-# The master toctree document.
-#master_doc = 'contents'
-
-# General information about the project.
-project = u'fmt'
-copyright = u'2012-present, Victor Zverovich'
-
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-
-# Version and release are passed from CMake.
-#version = None
-
-# The full version, including alpha/beta/rc tags.
-#release = version
-
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#language = None
-
-# There are two options for replacing |today|: either, you set today to some
-# non-false value, then it is used:
-#today = ''
-# Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
-
-# List of patterns, relative to source directory, that match files and
-# directories to ignore when looking for source files.
-exclude_patterns = ['virtualenv']
-
-# The reST default role (used for this markup: `text`) to use for all documents.
-default_role = 'cpp:any'
-
-# If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
-
-# If true, the current module name will be prepended to all description
-# unit titles (such as .. function::).
-#add_module_names = True
-
-# If true, sectionauthor and moduleauthor directives will be shown in the
-# output. They are ignored by default.
-#show_authors = False
-
-# The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
-
-highlight_language = 'c++'
-
-primary_domain = 'cpp'
-
-# A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
-
-
-# -- Options for HTML output ---------------------------------------------------
-
-# The theme to use for HTML and HTML Help pages.  See the documentation for
-# a list of builtin themes.
-html_theme = 'basic-bootstrap'
-
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-#html_theme_options = {}
-
-# Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = ['.']
-
-# The name for this set of Sphinx documents.  If None, it defaults to
-# "<project> v<release> documentation".
-#html_title = None
-
-# A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
-
-# The name of an image file (relative to this directory) to place at the top
-# of the sidebar.
-#html_logo = None
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-#html_favicon = None
-
-# Add any paths that contain custom static files (such as style sheets) here,
-# relative to this directory. They are copied after the builtin static files,
-# so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
-
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-#html_use_smartypants = True
-
-# Custom sidebar templates, maps document names to template names.
-html_sidebars = {
-  '**': ['localtoc.html', 'relations.html', 'sourcelink.html', 'searchbox.html']
-}
-
-# Additional templates that should be rendered to pages, maps page names to
-# template names.
-#html_additional_pages = {}
-
-# If false, no module index is generated.
-#html_domain_indices = True
-
-# If false, no index is generated.
-#html_use_index = True
-
-# If true, the index is split into individual pages for each letter.
-#html_split_index = False
-
-# If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
-
-# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-#html_show_sphinx = True
-
-# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-#html_show_copyright = True
-
-# If true, an OpenSearch description file will be output, and all pages will
-# contain a <link> tag referring to it.  The value of this option must be the
-# base URL from which the finished HTML is served.
-#html_use_opensearch = ''
-
-# This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
-
-# Output file base name for HTML help builder.
-htmlhelp_basename = 'formatdoc'
-
-
-# -- Options for LaTeX output --------------------------------------------------
-
-latex_elements = {
-# The paper size ('letterpaper' or 'a4paper').
-#'papersize': 'letterpaper',
-
-# The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
-
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
-}
-
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title, author, documentclass [howto/manual]).
-latex_documents = [
-  ('index', 'format.tex', u'fmt documentation',
-   u'Victor Zverovich', 'manual'),
-]
-
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-#latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-#latex_use_parts = False
-
-# If true, show page references after internal links.
-#latex_show_pagerefs = False
-
-# If true, show URL addresses after external links.
-#latex_show_urls = False
-
-# Documents to append as an appendix to all manuals.
-#latex_appendices = []
-
-# If false, no module index is generated.
-#latex_domain_indices = True
-
-
-# -- Options for manual page output --------------------------------------------
-
-# One entry per manual page. List of tuples
-# (source start file, name, description, authors, manual section).
-man_pages = [
-    ('index', 'fmt', u'fmt documentation', [u'Victor Zverovich'], 1)
-]
-
-# If true, show URL addresses after external links.
-#man_show_urls = False
-
-
-# -- Options for Texinfo output ------------------------------------------------
-
-# Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
-texinfo_documents = [
-  ('index', 'fmt', u'fmt documentation',
-   u'Victor Zverovich', 'fmt', 'One line description of project.',
-   'Miscellaneous'),
-]
-
-# Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
-
-# If false, no module index is generated.
-#texinfo_domain_indices = True
-
-# How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
diff --git a/third_party/fmt-9.1.0/doc/contents.rst b/third_party/fmt-9.1.0/doc/contents.rst
deleted file mode 100644
index d38691e4..00000000
--- a/third_party/fmt-9.1.0/doc/contents.rst
+++ /dev/null
@@ -1,10 +0,0 @@
-########
-Contents
-########
-
-.. toctree::
-   :maxdepth: 2
-
-   usage
-   api
-   syntax
diff --git a/third_party/fmt-9.1.0/doc/fmt.less b/third_party/fmt-9.1.0/doc/fmt.less
deleted file mode 100644
index 3a97b9fd..00000000
--- a/third_party/fmt-9.1.0/doc/fmt.less
+++ /dev/null
@@ -1,71 +0,0 @@
-@import 'bootstrap.less';
-
-@header-bg: #094d75;
-@icon-font-path: "fonts/";
-
-html {
-  overflow-y: scroll;
-}
-
-.navbar {
-  border-radius: 0;
-  margin-bottom: 0;
-  background-color: darken(@header-bg, 10%);
-}
-
-.jumbotron {
-  #gradient > .vertical(@header-bg; darken(@header-bg, 2%); 50%; 50%);
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-  .make-lg-column(8);
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-  padding-bottom: 20px;
-  border-top: 1px solid @gray-lighter;
-  text-align: center;
-}
-
-// Indent descriptions of classes, functions and macros.
-.class dd, .function dd, .macro dd {
-  margin-left: 20px;
-}
-
-// Remove Bootstrap padding for Sphinx containers.
-.breathe-sectiondef.container {
-  padding: 0;
-}
-
-// Remove Bootstrap padding for Sphinx code elements in API signatures.
-.descclassname, .descname {
-  padding: 0;
-}
-
-// Override center alignment in tables.
-td {
-  text-align: left;
-}
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diff --git a/third_party/fmt-9.1.0/doc/html/_sources/api.rst.txt b/third_party/fmt-9.1.0/doc/html/_sources/api.rst.txt
deleted file mode 100644
index 711d3109..00000000
--- a/third_party/fmt-9.1.0/doc/html/_sources/api.rst.txt
+++ /dev/null
@@ -1,616 +0,0 @@
-.. _string-formatting-api:
-
-*************
-API Reference
-*************
-
-The {fmt} library API consists of the following parts:
-
-* :ref:`fmt/core.h <core-api>`: the core API providing main formatting functions
-  for ``char``/UTF-8 with C++20 compile-time checks and minimal dependencies
-* :ref:`fmt/format.h <format-api>`: the full format API providing additional
-  formatting functions and locale support
-* :ref:`fmt/ranges.h <ranges-api>`: formatting of ranges and tuples
-* :ref:`fmt/chrono.h <chrono-api>`: date and time formatting
-* :ref:`fmt/std.h <std-api>`: formatters for standard library types
-* :ref:`fmt/compile.h <compile-api>`: format string compilation
-* :ref:`fmt/color.h <color-api>`: terminal color and text style
-* :ref:`fmt/os.h <os-api>`: system APIs
-* :ref:`fmt/ostream.h <ostream-api>`: ``std::ostream`` support
-* :ref:`fmt/printf.h <printf-api>`: ``printf`` formatting
-* :ref:`fmt/xchar.h <xchar-api>`: optional ``wchar_t`` support 
-
-All functions and types provided by the library reside in namespace ``fmt`` and
-macros have prefix ``FMT_``.
-
-.. _core-api:
-
-Core API
-========
-
-``fmt/core.h`` defines the core API which provides main formatting functions
-for ``char``/UTF-8 with C++20 compile-time checks. It has minimal include
-dependencies for better compile times. This header is only beneficial when
-using {fmt} as a library and not in the header-only mode.
-
-The following functions use :ref:`format string syntax <syntax>`
-similar to that of Python's `str.format
-<https://docs.python.org/3/library/stdtypes.html#str.format>`_.
-They take *fmt* and *args* as arguments.
-
-*fmt* is a format string that contains literal text and replacement fields
-surrounded by braces ``{}``. The fields are replaced with formatted arguments
-in the resulting string. `~fmt::format_string` is a format string which can be
-implicitly constructed from a string literal or a ``constexpr`` string and is
-checked at compile time in C++20. To pass a runtime format string wrap it in
-`fmt::runtime`.
-
-*args* is an argument list representing objects to be formatted.
-
-.. _format:
-
-.. doxygenfunction:: format(format_string<T...> fmt, T&&... args) -> std::string
-.. doxygenfunction:: vformat(string_view fmt, format_args args) -> std::string
-
-.. doxygenfunction:: format_to(OutputIt out, format_string<T...> fmt, T&&... args) -> OutputIt
-.. doxygenfunction:: format_to_n(OutputIt out, size_t n, format_string<T...> fmt, T&&... args) -> format_to_n_result<OutputIt>
-.. doxygenfunction:: formatted_size(format_string<T...> fmt, T&&... args) -> size_t
-
-.. doxygenstruct:: fmt::format_to_n_result
-   :members:
-
-.. _print:
-
-.. doxygenfunction:: fmt::print(format_string<T...> fmt, T&&... args)
-.. doxygenfunction:: fmt::vprint(string_view fmt, format_args args)
-
-.. doxygenfunction:: print(std::FILE *f, format_string<T...> fmt, T&&... args)
-.. doxygenfunction:: vprint(std::FILE *f, string_view fmt, format_args args)
-
-Compile-Time Format String Checks
----------------------------------
-
-Compile-time checks are enabled by default on compilers that support C++20
-``consteval``. On older compilers you can use the ``FMT_STRING`` macro defined
-in ``fmt/format.h`` instead. It requires C++14 and is a no-op in C++11.
-
-.. doxygendefine:: FMT_STRING
-
-To force the use of legacy compile-time checks, define the preprocessor variable
-``FMT_ENFORCE_COMPILE_STRING``. When set, functions accepting ``FMT_STRING``
-will fail to compile with regular strings. Runtime-checked formatting is still
-possible using ``fmt::vformat``, ``fmt::vprint``, etc.
-
-.. doxygenclass:: fmt::basic_format_string
-   :members:
-
-.. doxygentypedef:: fmt::format_string
-
-.. doxygenfunction:: fmt::runtime(string_view) -> basic_runtime<char>
-
-Named Arguments
----------------
-
-.. doxygenfunction:: fmt::arg(const S&, const T&)
-
-Named arguments are not supported in compile-time checks at the moment.
-
-Argument Lists
---------------
-
-You can create your own formatting function with compile-time checks and small
-binary footprint, for example (https://godbolt.org/z/oba4Mc):
-
-.. code:: c++
-
-    #include <fmt/format.h>
-
-    void vlog(const char* file, int line, fmt::string_view format,
-              fmt::format_args args) {
-      fmt::print("{}: {}: ", file, line);
-      fmt::vprint(format, args);
-    }
-
-    template <typename S, typename... Args>
-    void log(const char* file, int line, const S& format, Args&&... args) {
-      vlog(file, line, format, fmt::make_format_args(args...));
-    }
-
-    #define MY_LOG(format, ...) \
-      log(__FILE__, __LINE__, FMT_STRING(format), __VA_ARGS__)
-
-    MY_LOG("invalid squishiness: {}", 42);
-
-Note that ``vlog`` is not parameterized on argument types which improves compile
-times and reduces binary code size compared to a fully parameterized version.
-
-.. doxygenfunction:: fmt::make_format_args(const Args&...)
-
-.. doxygenclass:: fmt::format_arg_store
-   :members:
-
-.. doxygenclass:: fmt::dynamic_format_arg_store
-   :members:
-
-.. doxygenclass:: fmt::basic_format_args
-   :members:
-
-.. doxygentypedef:: fmt::format_args
-
-.. doxygenclass:: fmt::basic_format_arg
-   :members:
-
-.. doxygenclass:: fmt::basic_format_parse_context
-   :members:
-
-.. doxygenclass:: fmt::basic_format_context
-   :members:
-
-.. doxygentypedef:: fmt::format_context
-
-Compatibility
--------------
-
-.. doxygenclass:: fmt::basic_string_view
-   :members:
-
-.. doxygentypedef:: fmt::string_view
-
-Locale
-------
-
-All formatting is locale-independent by default. Use the ``'L'`` format
-specifier to insert the appropriate number separator characters from the
-locale::
-
-  #include <fmt/core.h>
-  #include <locale>
-
-  std::locale::global(std::locale("en_US.UTF-8"));
-  auto s = fmt::format("{:L}", 1000000);  // s == "1,000,000"
-
-.. _format-api:
-
-Format API
-==========
-
-``fmt/format.h`` defines the full format API providing additional formatting
-functions and locale support.
-
-.. _udt:
-
-Formatting User-Defined Types
------------------------------
-
-The {fmt} library provides formatters for many standard C++ types.
-See :ref:`fmt/ranges.h <ranges-api>` for ranges and tuples including standard
-containers such as ``std::vector``, :ref:`fmt/chrono.h <chrono-api>` for date
-and time formatting and :ref:`fmt/std.h <std-api>` for path and variant 
-formatting.
-
-To make a user-defined type formattable, specialize the ``formatter<T>`` struct
-template and implement ``parse`` and ``format`` methods::
-
-  #include <fmt/format.h>
-
-  struct point {
-    double x, y;
-  };
-
-  template <> struct fmt::formatter<point> {
-    // Presentation format: 'f' - fixed, 'e' - exponential.
-    char presentation = 'f';
-
-    // Parses format specifications of the form ['f' | 'e'].
-    constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-      // [ctx.begin(), ctx.end()) is a character range that contains a part of
-      // the format string starting from the format specifications to be parsed,
-      // e.g. in
-      //
-      //   fmt::format("{:f} - point of interest", point{1, 2});
-      //
-      // the range will contain "f} - point of interest". The formatter should
-      // parse specifiers until '}' or the end of the range. In this example
-      // the formatter should parse the 'f' specifier and return an iterator
-      // pointing to '}'.
-      
-      // Please also note that this character range may be empty, in case of
-      // the "{}" format string, so therefore you should check ctx.begin()
-      // for equality with ctx.end().
-
-      // Parse the presentation format and store it in the formatter:
-      auto it = ctx.begin(), end = ctx.end();
-      if (it != end && (*it == 'f' || *it == 'e')) presentation = *it++;
-
-      // Check if reached the end of the range:
-      if (it != end && *it != '}') throw format_error("invalid format");
-
-      // Return an iterator past the end of the parsed range:
-      return it;
-    }
-
-    // Formats the point p using the parsed format specification (presentation)
-    // stored in this formatter.
-    template <typename FormatContext>
-    auto format(const point& p, FormatContext& ctx) const -> decltype(ctx.out()) {
-      // ctx.out() is an output iterator to write to.
-      return presentation == 'f'
-                ? fmt::format_to(ctx.out(), "({:.1f}, {:.1f})", p.x, p.y)
-                : fmt::format_to(ctx.out(), "({:.1e}, {:.1e})", p.x, p.y);
-    }
-  };
-
-Then you can pass objects of type ``point`` to any formatting function::
-
-  point p = {1, 2};
-  std::string s = fmt::format("{:f}", p);
-  // s == "(1.0, 2.0)"
-
-You can also reuse existing formatters via inheritance or composition, for
-example::
-
-  enum class color {red, green, blue};
-
-  template <> struct fmt::formatter<color>: formatter<string_view> {
-    // parse is inherited from formatter<string_view>.
-    template <typename FormatContext>
-    auto format(color c, FormatContext& ctx) const {
-      string_view name = "unknown";
-      switch (c) {
-      case color::red:   name = "red"; break;
-      case color::green: name = "green"; break;
-      case color::blue:  name = "blue"; break;
-      }
-      return formatter<string_view>::format(name, ctx);
-    }
-  };
-
-Since ``parse`` is inherited from ``formatter<string_view>`` it will recognize
-all string format specifications, for example
-
-.. code-block:: c++
-
-   fmt::format("{:>10}", color::blue)
-
-will return ``"      blue"``.
-
-You can also write a formatter for a hierarchy of classes::
-
-  #include <type_traits>
-  #include <fmt/format.h>
-
-  struct A {
-    virtual ~A() {}
-    virtual std::string name() const { return "A"; }
-  };
-
-  struct B : A {
-    virtual std::string name() const { return "B"; }
-  };
-
-  template <typename T>
-  struct fmt::formatter<T, std::enable_if_t<std::is_base_of<A, T>::value, char>> :
-      fmt::formatter<std::string> {
-    template <typename FormatCtx>
-    auto format(const A& a, FormatCtx& ctx) const {
-      return fmt::formatter<std::string>::format(a.name(), ctx);
-    }
-  };
-
-  int main() {
-    B b;
-    A& a = b;
-    fmt::print("{}", a); // prints "B"
-  }
-
-If a type provides both a ``formatter`` specialization and an implicit
-conversion to a formattable type, the specialization takes precedence over the
-conversion.
-
-For enums {fmt} also provides the ``format_as`` extension API. To format an enum
-via this API define ``format_as`` that takes this enum and converts it to the
-underlying type. ``format_as`` should be defined in the same namespace as the
-enum.
-
-Example (https://godbolt.org/z/r7vvGE1v7)::
-
-  #include <fmt/format.h>
-
-  namespace kevin_namespacy {
-  enum class film {
-    house_of_cards, american_beauty, se7en = 7
-  };
-  auto format_as(film f) { return fmt::underlying(f); }
-  }
-
-  int main() {
-    fmt::print("{}\n", kevin_namespacy::film::se7en); // prints "7"
-  }
-
-Literal-Based API
------------------
-
-The following user-defined literals are defined in ``fmt/format.h``.
-
-.. doxygenfunction:: operator""_a()
-
-Utilities
----------
-
-.. doxygenfunction:: fmt::ptr(T p) -> const void*
-.. doxygenfunction:: fmt::ptr(const std::unique_ptr<T> &p) -> const void*
-.. doxygenfunction:: fmt::ptr(const std::shared_ptr<T> &p) -> const void*
-
-.. doxygenfunction:: fmt::underlying(Enum e) -> typename std::underlying_type<Enum>::type
-
-.. doxygenfunction:: fmt::to_string(const T &value) -> std::string
-
-.. doxygenfunction:: fmt::join(Range &&range, string_view sep) -> join_view<detail::iterator_t<Range>, detail::sentinel_t<Range>>
-
-.. doxygenfunction:: fmt::join(It begin, Sentinel end, string_view sep) -> join_view<It, Sentinel>
-
-.. doxygenfunction:: fmt::group_digits(T value) -> group_digits_view<T>
-
-.. doxygenclass:: fmt::detail::buffer
-   :members:
-
-.. doxygenclass:: fmt::basic_memory_buffer
-   :protected-members:
-   :members:
-
-System Errors
--------------
-
-{fmt} does not use ``errno`` to communicate errors to the user, but it may call
-system functions which set ``errno``. Users should not make any assumptions
-about the value of ``errno`` being preserved by library functions.
-
-.. doxygenfunction:: fmt::system_error
-
-.. doxygenfunction:: fmt::format_system_error
-
-Custom Allocators
------------------
-
-The {fmt} library supports custom dynamic memory allocators.
-A custom allocator class can be specified as a template argument to
-:class:`fmt::basic_memory_buffer`::
-
-    using custom_memory_buffer = 
-      fmt::basic_memory_buffer<char, fmt::inline_buffer_size, custom_allocator>;
-
-It is also possible to write a formatting function that uses a custom
-allocator::
-
-    using custom_string =
-      std::basic_string<char, std::char_traits<char>, custom_allocator>;
-
-    custom_string vformat(custom_allocator alloc, fmt::string_view format_str,
-                          fmt::format_args args) {
-      auto buf = custom_memory_buffer(alloc);
-      fmt::vformat_to(std::back_inserter(buf), format_str, args);
-      return custom_string(buf.data(), buf.size(), alloc);
-    }
-
-    template <typename ...Args>
-    inline custom_string format(custom_allocator alloc,
-                                fmt::string_view format_str,
-                                const Args& ... args) {
-      return vformat(alloc, format_str, fmt::make_format_args(args...));
-    }
-
-The allocator will be used for the output container only. Formatting functions
-normally don't do any allocations for built-in and string types except for
-non-default floating-point formatting that occasionally falls back on
-``sprintf``.
-
-.. _ranges-api:
-
-Range and Tuple Formatting
-==========================
-
-The library also supports convenient formatting of ranges and tuples::
-
-  #include <fmt/ranges.h>
-
-  std::tuple<char, int, float> t{'a', 1, 2.0f};
-  // Prints "('a', 1, 2.0)"
-  fmt::print("{}", t);
-
-
-NOTE: currently, the overload of ``fmt::join`` for iterables exists in the main
-``format.h`` header, but expect this to change in the future.
-
-Using ``fmt::join``, you can separate tuple elements with a custom separator::
-
-  #include <fmt/ranges.h>
-
-  std::tuple<int, char> t = {1, 'a'};
-  // Prints "1, a"
-  fmt::print("{}", fmt::join(t, ", "));
-
-.. _chrono-api:
-
-Date and Time Formatting
-========================
-
-``fmt/chrono.h`` provides formatters for
-
-* `std::chrono::duration <https://en.cppreference.com/w/cpp/chrono/duration>`_
-* `std::chrono::time_point
-  <https://en.cppreference.com/w/cpp/chrono/time_point>`_
-* `std::tm <https://en.cppreference.com/w/cpp/chrono/c/tm>`_
-
-The format syntax is described in :ref:`chrono-specs`.
-
-**Example**::
-
-  #include <fmt/chrono.h>
-
-  int main() {
-    std::time_t t = std::time(nullptr);
-
-    // Prints "The date is 2020-11-07." (with the current date):
-    fmt::print("The date is {:%Y-%m-%d}.", fmt::localtime(t));
-
-    using namespace std::literals::chrono_literals;
-
-    // Prints "Default format: 42s 100ms":
-    fmt::print("Default format: {} {}\n", 42s, 100ms);
-
-    // Prints "strftime-like format: 03:15:30":
-    fmt::print("strftime-like format: {:%H:%M:%S}\n", 3h + 15min + 30s);
-  }
-
-.. doxygenfunction:: localtime(std::time_t time)
-
-.. doxygenfunction:: gmtime(std::time_t time)
-
-.. _std-api:
-
-Standard Library Types Formatting
-=================================
-
-``fmt/std.h`` provides formatters for:
-
-* `std::filesystem::path <https://en.cppreference.com/w/cpp/filesystem/path>`_
-* `std::thread::id <https://en.cppreference.com/w/cpp/thread/thread/id>`_
-* `std::monostate <https://en.cppreference.com/w/cpp/utility/variant/monostate>`_
-* `std::variant <https://en.cppreference.com/w/cpp/utility/variant/variant>`_
-
-Formatting Variants
--------------------
-
-A ``std::variant`` is only formattable if every variant alternative is formattable, and requires the
-``__cpp_lib_variant`` `library feature <https://en.cppreference.com/w/cpp/feature_test>`_.
-  
-**Example**::
-
-  #include <fmt/std.h>
-
-  std::variant<char, float> v0{'x'};
-  // Prints "variant('x')"
-  fmt::print("{}", v0);
-
-  std::variant<std::monostate, char> v1;
-  // Prints "variant(monostate)"
-
-.. _compile-api:
-
-Format String Compilation
-=========================
-
-``fmt/compile.h`` provides format string compilation enabled via the
-``FMT_COMPILE`` macro or the ``_cf`` user-defined literal. Format strings
-marked with ``FMT_COMPILE`` or ``_cf`` are parsed, checked and converted into
-efficient formatting code at compile-time. This supports arguments of built-in
-and string types as well as user-defined types with ``constexpr`` ``parse``
-functions in their ``formatter`` specializations. Format string compilation can
-generate more binary code compared to the default API and is only recommended in
-places where formatting is a performance bottleneck.
-
-.. doxygendefine:: FMT_COMPILE
-
-.. doxygenfunction:: operator""_cf()
-
-.. _color-api:
-
-Terminal Color and Text Style
-=============================
-
-``fmt/color.h`` provides support for terminal color and text style output.
-
-.. doxygenfunction:: print(const text_style &ts, const S &format_str, const Args&... args)
-
-.. doxygenfunction:: fg(detail::color_type)
-
-.. doxygenfunction:: bg(detail::color_type)
-
-.. doxygenfunction:: styled(const T& value, text_style ts)
-
-.. _os-api:
-
-System APIs
-===========
-
-.. doxygenclass:: fmt::ostream
-   :members:
-
-.. doxygenfunction:: fmt::windows_error
-   :members:
-
-.. _ostream-api:
-
-``std::ostream`` Support
-========================
-
-``fmt/ostream.h`` provides ``std::ostream`` support including formatting of
-user-defined types that have an overloaded insertion operator (``operator<<``).
-In order to make a type formattable via ``std::ostream`` you should provide a
-``formatter`` specialization inherited from ``ostream_formatter``::
-
-  #include <fmt/ostream.h>
-
-  struct date {
-    int year, month, day;
-
-    friend std::ostream& operator<<(std::ostream& os, const date& d) {
-      return os << d.year << '-' << d.month << '-' << d.day;
-    }
-  };
-
-  template <> struct fmt::formatter<date> : ostream_formatter {};
-
-  std::string s = fmt::format("The date is {}", date{2012, 12, 9});
-  // s == "The date is 2012-12-9"
-
-.. doxygenfunction:: streamed(const T &)
-
-.. doxygenfunction:: print(std::ostream &os, format_string<T...> fmt, T&&... args)
-
-.. _printf-api:
-
-``printf`` Formatting
-=====================
-
-The header ``fmt/printf.h`` provides ``printf``-like formatting functionality.
-The following functions use `printf format string syntax
-<https://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html>`_ with
-the POSIX extension for positional arguments. Unlike their standard
-counterparts, the ``fmt`` functions are type-safe and throw an exception if an
-argument type doesn't match its format specification.
-
-.. doxygenfunction:: printf(const S &format_str, const T&... args)
-
-.. doxygenfunction:: fprintf(std::FILE *f, const S &fmt, const T&... args) -> int
-
-.. doxygenfunction:: sprintf(const S&, const T&...)
-
-.. _xchar-api:
-
-``wchar_t`` Support
-===================
-
-The optional header ``fmt/xchar.h`` provides support for ``wchar_t`` and exotic
-character types.
-
-.. doxygenstruct:: fmt::is_char
-
-.. doxygentypedef:: fmt::wstring_view
-
-.. doxygentypedef:: fmt::wformat_context
-
-.. doxygenfunction:: fmt::to_wstring(const T &value)
-
-Compatibility with C++20 ``std::format``
-========================================
-
-{fmt} implements nearly all of the `C++20 formatting library
-<https://en.cppreference.com/w/cpp/utility/format>`_ with the following
-differences:
-
-* Names are defined in the ``fmt`` namespace instead of ``std`` to avoid
-  collisions with standard library implementations.
-* Width calculation doesn't use grapheme clusterization. The latter has been
-  implemented in a separate branch but hasn't been integrated yet.
-* Most C++20 chrono types are not supported yet.
diff --git a/third_party/fmt-9.1.0/doc/html/_sources/contents.rst.txt b/third_party/fmt-9.1.0/doc/html/_sources/contents.rst.txt
deleted file mode 100644
index d38691e4..00000000
--- a/third_party/fmt-9.1.0/doc/html/_sources/contents.rst.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-########
-Contents
-########
-
-.. toctree::
-   :maxdepth: 2
-
-   usage
-   api
-   syntax
diff --git a/third_party/fmt-9.1.0/doc/html/_sources/index.rst.txt b/third_party/fmt-9.1.0/doc/html/_sources/index.rst.txt
deleted file mode 100644
index 8d55c7a1..00000000
--- a/third_party/fmt-9.1.0/doc/html/_sources/index.rst.txt
+++ /dev/null
@@ -1,198 +0,0 @@
-Overview
-========
-
-**{fmt}** is an open-source formatting library providing a fast and safe
-alternative to C stdio and C++ iostreams.
-
-.. raw:: html
-
-   <div class="panel panel-default">
-     <div class="panel-heading">What users say:</div>
-     <div class="panel-body">
-       Thanks for creating this library. It’s been a hole in C++ for
-       a long time. I’ve used both <code>boost::format</code> and
-       <code>loki::SPrintf</code>, and neither felt like the right answer.
-       This does.
-     </div>
-   </div>
-
-.. _format-api-intro:
-
-Format API
-----------
-
-The format API is similar in spirit to the C ``printf`` family of function but
-is safer, simpler and several times `faster
-<https://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html>`_
-than common standard library implementations.
-The `format string syntax <syntax.html>`_ is similar to the one used by
-`str.format <https://docs.python.org/3/library/stdtypes.html#str.format>`_ in
-Python:
-
-.. code:: c++
-
-  std::string s = fmt::format("The answer is {}.", 42);
-  
-The ``fmt::format`` function returns a string "The answer is 42.". You can use
-``fmt::memory_buffer`` to avoid constructing ``std::string``:
-
-.. code:: c++
-
-  auto out = fmt::memory_buffer();
-  fmt::format_to(std::back_inserter(out),
-            "For a moment, {} happened.", "nothing");
-  auto data = out.data(); // pointer to the formatted data
-  auto size = out.size(); // size of the formatted data
-
-The ``fmt::print`` function performs formatting and writes the result to a stream:
-
-.. code:: c++
-
-  fmt::print(stderr, "System error code = {}\n", errno);
-
-If you omit the file argument the function will print to ``stdout``:
-
-.. code:: c++
-
-  fmt::print("Don't {}\n", "panic");
-
-The format API also supports positional arguments useful for localization:
-
-.. code:: c++
-
-  fmt::print("I'd rather be {1} than {0}.", "right", "happy");
-
-You can pass named arguments with ``fmt::arg``:
-
-.. code:: c++
-
-  fmt::print("Hello, {name}! The answer is {number}. Goodbye, {name}.",
-             fmt::arg("name", "World"), fmt::arg("number", 42));
-
-If your compiler supports C++11 user-defined literals, the suffix ``_a`` offers 
-an alternative, slightly terser syntax for named arguments:
-
-.. code:: c++
-
-  using namespace fmt::literals;
-  fmt::print("Hello, {name}! The answer is {number}. Goodbye, {name}.",
-             "name"_a="World", "number"_a=42);
-
-.. _safety:
-
-Safety
-------
-
-The library is fully type safe, automatic memory management prevents buffer
-overflow, errors in format strings are reported using exceptions or at compile
-time. For example, the code
-
-.. code:: c++
-
-  fmt::format("The answer is {:d}", "forty-two");
-
-throws the ``format_error`` exception because the argument ``"forty-two"`` is a
-string while the format code ``d`` only applies to integers.
-
-The code
-
-.. code:: c++
-
-  format(FMT_STRING("The answer is {:d}"), "forty-two");
-
-reports a compile-time error on compilers that support relaxed ``constexpr``.
-See `here <api.html#compile-time-format-string-checks>`_ for details.
-
-The following code
-
-.. code:: c++
-
-  fmt::format("Cyrillic letter {}", L'\x42e');
-  
-produces a compile-time error because wide character ``L'\x42e'`` cannot be
-formatted into a narrow string. For comparison, writing a wide character to
-``std::ostream`` results in its numeric value being written to the stream
-(i.e. 1070 instead of letter 'ю' which is represented by ``L'\x42e'`` if we
-use Unicode) which is rarely desirable.
-
-Compact Binary Code
--------------------
-
-The library produces compact per-call compiled code. For example
-(`godbolt <https://godbolt.org/g/TZU4KF>`_),
-
-.. code:: c++
-
-   #include <fmt/core.h>
-
-   int main() {
-     fmt::print("The answer is {}.", 42);
-   }
-
-compiles to just
-
-.. code:: asm
-
-   main: # @main
-     sub rsp, 24
-     mov qword ptr [rsp], 42
-     mov rcx, rsp
-     mov edi, offset .L.str
-     mov esi, 17
-     mov edx, 1
-     call fmt::v7::vprint(fmt::v7::basic_string_view<char>, fmt::v7::format_args)
-     xor eax, eax
-     add rsp, 24
-     ret
-   .L.str:
-     .asciz "The answer is {}."
-
-.. _portability:
-
-Portability
------------
-
-The library is highly portable and relies only on a small set of C++11 features:
-
-* variadic templates
-* type traits
-* rvalue references
-* decltype
-* trailing return types
-* deleted functions
-* alias templates
-
-These are available in GCC 4.8, Clang 3.4, MSVC 19.0 (2015) and more recent
-compiler version. For older compilers use {fmt} `version 4.x
-<https://github.com/fmtlib/fmt/releases/tag/4.1.0>`_ which is maintained and
-only requires C++98.
-
-The output of all formatting functions is consistent across platforms.
-For example,
-
-.. code::
-
-  fmt::print("{}", std::numeric_limits<double>::infinity());
-
-always prints ``inf`` while the output of ``printf`` is platform-dependent.
-
-.. _ease-of-use:
-
-Ease of Use
------------
-
-{fmt} has a small self-contained code base with the core library consisting of
-just three header files and no external dependencies.
-A permissive MIT `license <https://github.com/fmtlib/fmt#license>`_ allows
-using the library both in open-source and commercial projects.
-
-`Learn more... <contents.html>`_
-
-.. raw:: html
-
-  <a class="btn btn-success" href="https://github.com/fmtlib/fmt">GitHub Repository</a>
-
-  <div class="section footer">
-    <iframe src="https://ghbtns.com/github-btn.html?user=fmtlib&amp;repo=fmt&amp;type=watch&amp;count=true"
-            class="github-btn" width="100" height="20"></iframe>
-  </div>
diff --git a/third_party/fmt-9.1.0/doc/html/_sources/syntax.rst.txt b/third_party/fmt-9.1.0/doc/html/_sources/syntax.rst.txt
deleted file mode 100644
index 1ec5c26f..00000000
--- a/third_party/fmt-9.1.0/doc/html/_sources/syntax.rst.txt
+++ /dev/null
@@ -1,514 +0,0 @@
-.. _syntax:
-
-********************
-Format String Syntax
-********************
-
-Formatting functions such as :ref:`fmt::format() <format>` and
-:ref:`fmt::print() <print>` use the same format string syntax described in this
-section.
-
-Format strings contain "replacement fields" surrounded by curly braces ``{}``.
-Anything that is not contained in braces is considered literal text, which is
-copied unchanged to the output.  If you need to include a brace character in the
-literal text, it can be escaped by doubling: ``{{`` and ``}}``.
-
-The grammar for a replacement field is as follows:
-
-.. productionlist:: sf
-   replacement_field: "{" [`arg_id`] [":" (`format_spec` | `chrono_format_spec`)] "}"
-   arg_id: `integer` | `identifier`
-   integer: `digit`+
-   digit: "0"..."9"
-   identifier: `id_start` `id_continue`*
-   id_start: "a"..."z" | "A"..."Z" | "_"
-   id_continue: `id_start` | `digit`
-
-In less formal terms, the replacement field can start with an *arg_id*
-that specifies the argument whose value is to be formatted and inserted into
-the output instead of the replacement field.
-The *arg_id* is optionally followed by a *format_spec*, which is preceded by a
-colon ``':'``.  These specify a non-default format for the replacement value.
-
-See also the :ref:`formatspec` section.
-
-If the numerical arg_ids in a format string are 0, 1, 2, ... in sequence,
-they can all be omitted (not just some) and the numbers 0, 1, 2, ... will be
-automatically inserted in that order.
-
-Named arguments can be referred to by their names or indices.
-
-Some simple format string examples::
-
-   "First, thou shalt count to {0}" // References the first argument
-   "Bring me a {}"                  // Implicitly references the first argument
-   "From {} to {}"                  // Same as "From {0} to {1}"
-
-The *format_spec* field contains a specification of how the value should be
-presented, including such details as field width, alignment, padding, decimal
-precision and so on.  Each value type can define its own "formatting
-mini-language" or interpretation of the *format_spec*.
-
-Most built-in types support a common formatting mini-language, which is
-described in the next section.
-
-A *format_spec* field can also include nested replacement fields in certain
-positions within it. These nested replacement fields can contain only an
-argument id; format specifications are not allowed. This allows the formatting
-of a value to be dynamically specified.
-
-See the :ref:`formatexamples` section for some examples.
-
-.. _formatspec:
-
-Format Specification Mini-Language
-==================================
-
-"Format specifications" are used within replacement fields contained within a
-format string to define how individual values are presented (see
-:ref:`syntax`).  Each formattable type may define how the format
-specification is to be interpreted.
-
-Most built-in types implement the following options for format specifications,
-although some of the formatting options are only supported by the numeric types.
-
-The general form of a *standard format specifier* is:
-
-.. productionlist:: sf
-   format_spec: [[`fill`]`align`][`sign`]["#"]["0"][`width`]["." `precision`]["L"][`type`]
-   fill: <a character other than '{' or '}'>
-   align: "<" | ">" | "^"
-   sign: "+" | "-" | " "
-   width: `integer` | "{" [`arg_id`] "}"
-   precision: `integer` | "{" [`arg_id`] "}"
-   type: "a" | "A" | "b" | "B" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" |
-       : "o" | "p" | "s" | "x" | "X"
-
-The *fill* character can be any Unicode code point other than ``'{'`` or
-``'}'``. The presence of a fill character is signaled by the character following
-it, which must be one of the alignment options. If the second character of
-*format_spec* is not a valid alignment option, then it is assumed that both the
-fill character and the alignment option are absent.
-
-The meaning of the various alignment options is as follows:
-
-+---------+----------------------------------------------------------+
-| Option  | Meaning                                                  |
-+=========+==========================================================+
-| ``'<'`` | Forces the field to be left-aligned within the available |
-|         | space (this is the default for most objects).            |
-+---------+----------------------------------------------------------+
-| ``'>'`` | Forces the field to be right-aligned within the          |
-|         | available space (this is the default for numbers).       |
-+---------+----------------------------------------------------------+
-| ``'^'`` | Forces the field to be centered within the available     |
-|         | space.                                                   |
-+---------+----------------------------------------------------------+
-
-Note that unless a minimum field width is defined, the field width will always
-be the same size as the data to fill it, so that the alignment option has no
-meaning in this case.
-
-The *sign* option is only valid for number types, and can be one of the
-following:
-
-+---------+------------------------------------------------------------+
-| Option  | Meaning                                                    |
-+=========+============================================================+
-| ``'+'`` | indicates that a sign should be used for both              |
-|         | nonnegative as well as negative numbers.                   |
-+---------+------------------------------------------------------------+
-| ``'-'`` | indicates that a sign should be used only for negative     |
-|         | numbers (this is the default behavior).                    |
-+---------+------------------------------------------------------------+
-| space   | indicates that a leading space should be used on           |
-|         | nonnegative numbers, and a minus sign on negative numbers. |
-+---------+------------------------------------------------------------+
-
-The ``'#'`` option causes the "alternate form" to be used for the
-conversion.  The alternate form is defined differently for different
-types.  This option is only valid for integer and floating-point types.
-For integers, when binary, octal, or hexadecimal output is used, this
-option adds the prefix respective ``"0b"`` (``"0B"``), ``"0"``, or
-``"0x"`` (``"0X"``) to the output value.  Whether the prefix is
-lower-case or upper-case is determined by the case of the type
-specifier, for example, the prefix ``"0x"`` is used for the type ``'x'``
-and ``"0X"`` is used for ``'X'``.  For floating-point numbers the
-alternate form causes the result of the conversion to always contain a
-decimal-point character, even if no digits follow it. Normally, a
-decimal-point character appears in the result of these conversions
-only if a digit follows it. In addition, for ``'g'`` and ``'G'``
-conversions, trailing zeros are not removed from the result.
-
-.. ifconfig:: False
-
-   The ``','`` option signals the use of a comma for a thousands separator.
-   For a locale aware separator, use the ``'L'`` integer presentation type
-   instead.
-
-*width* is a decimal integer defining the minimum field width.  If not
-specified, then the field width will be determined by the content.
-
-Preceding the *width* field by a zero (``'0'``) character enables sign-aware
-zero-padding for numeric types. It forces the padding to be placed after the
-sign or base (if any) but before the digits. This is used for printing fields in
-the form '+000000120'. This option is only valid for numeric types and it has no
-effect on formatting of infinity and NaN.
-
-The *precision* is a decimal number indicating how many digits should be
-displayed after the decimal point for a floating-point value formatted with
-``'f'`` and ``'F'``, or before and after the decimal point for a floating-point
-value formatted with ``'g'`` or ``'G'``.  For non-number types the field
-indicates the maximum field size - in other words, how many characters will be
-used from the field content. The *precision* is not allowed for integer,
-character, Boolean, and pointer values. Note that a C string must be
-null-terminated even if precision is specified.
-
-The ``'L'`` option uses the current locale setting to insert the appropriate
-number separator characters. This option is only valid for numeric types.
-
-Finally, the *type* determines how the data should be presented.
-
-The available string presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'s'`` | String format. This is the default type for strings and  |
-|         | may be omitted.                                          |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'s'``.                                     |
-+---------+----------------------------------------------------------+
-
-The available character presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'c'`` | Character format. This is the default type for           |
-|         | characters and may be omitted.                           |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'c'``.                                     |
-+---------+----------------------------------------------------------+
-
-The available integer presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'b'`` | Binary format. Outputs the number in base 2. Using the   |
-|         | ``'#'`` option with this type adds the prefix ``"0b"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'B'`` | Binary format. Outputs the number in base 2. Using the   |
-|         | ``'#'`` option with this type adds the prefix ``"0B"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'c'`` | Character format. Outputs the number as a character.     |
-+---------+----------------------------------------------------------+
-| ``'d'`` | Decimal integer. Outputs the number in base 10.          |
-+---------+----------------------------------------------------------+
-| ``'o'`` | Octal format. Outputs the number in base 8.              |
-+---------+----------------------------------------------------------+
-| ``'x'`` | Hex format. Outputs the number in base 16, using         |
-|         | lower-case letters for the digits above 9. Using the     |
-|         | ``'#'`` option with this type adds the prefix ``"0x"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'X'`` | Hex format. Outputs the number in base 16, using         |
-|         | upper-case letters for the digits above 9. Using the     |
-|         | ``'#'`` option with this type adds the prefix ``"0X"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'d'``.                                     |
-+---------+----------------------------------------------------------+
-
-Integer presentation types can also be used with character and Boolean values.
-Boolean values are formatted using textual representation, either ``true`` or
-``false``, if the presentation type is not specified.
-
-The available presentation types for floating-point values are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'a'`` | Hexadecimal floating point format. Prints the number in  |
-|         | base 16 with prefix ``"0x"`` and lower-case letters for  |
-|         | digits above 9. Uses ``'p'`` to indicate the exponent.   |
-+---------+----------------------------------------------------------+
-| ``'A'`` | Same as ``'a'`` except it uses upper-case letters for    |
-|         | the prefix, digits above 9 and to indicate the exponent. |
-+---------+----------------------------------------------------------+
-| ``'e'`` | Exponent notation. Prints the number in scientific       |
-|         | notation using the letter 'e' to indicate the exponent.  |
-+---------+----------------------------------------------------------+
-| ``'E'`` | Exponent notation. Same as ``'e'`` except it uses an     |
-|         | upper-case ``'E'`` as the separator character.           |
-+---------+----------------------------------------------------------+
-| ``'f'`` | Fixed point. Displays the number as a fixed-point        |
-|         | number.                                                  |
-+---------+----------------------------------------------------------+
-| ``'F'`` | Fixed point. Same as ``'f'``, but converts ``nan`` to    |
-|         | ``NAN`` and ``inf`` to ``INF``.                          |
-+---------+----------------------------------------------------------+
-| ``'g'`` | General format.  For a given precision ``p >= 1``,       |
-|         | this rounds the number to ``p`` significant digits and   |
-|         | then formats the result in either fixed-point format     |
-|         | or in scientific notation, depending on its magnitude.   |
-|         |                                                          |
-|         | A precision of ``0`` is treated as equivalent to a       |
-|         | precision of ``1``.                                      |
-+---------+----------------------------------------------------------+
-| ``'G'`` | General format. Same as ``'g'`` except switches to       |
-|         | ``'E'`` if the number gets too large. The                |
-|         | representations of infinity and NaN are uppercased, too. |
-+---------+----------------------------------------------------------+
-| none    | Similar to ``'g'``, except that the default precision is |
-|         | as high as needed to represent the particular value.     |
-+---------+----------------------------------------------------------+
-
-.. ifconfig:: False
-
-   +---------+----------------------------------------------------------+
-   |         | The precise rules are as follows: suppose that the       |
-   |         | result formatted with presentation type ``'e'`` and      |
-   |         | precision ``p-1`` would have exponent ``exp``.  Then     |
-   |         | if ``-4 <= exp < p``, the number is formatted            |
-   |         | with presentation type ``'f'`` and precision             |
-   |         | ``p-1-exp``.  Otherwise, the number is formatted         |
-   |         | with presentation type ``'e'`` and precision ``p-1``.    |
-   |         | In both cases insignificant trailing zeros are removed   |
-   |         | from the significand, and the decimal point is also      |
-   |         | removed if there are no remaining digits following it.   |
-   |         |                                                          |
-   |         | Positive and negative infinity, positive and negative    |
-   |         | zero, and nans, are formatted as ``inf``, ``-inf``,      |
-   |         | ``0``, ``-0`` and ``nan`` respectively, regardless of    |
-   |         | the precision.                                           |
-   |         |                                                          |
-   +---------+----------------------------------------------------------+
-
-The available presentation types for pointers are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'p'`` | Pointer format. This is the default type for             |
-|         | pointers and may be omitted.                             |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'p'``.                                     |
-+---------+----------------------------------------------------------+
-
-.. _chrono-specs:
-
-Chrono Format Specifications
-============================
-
-Format specifications for chrono types and ``std::tm`` have the following
-syntax:
-
-.. productionlist:: sf
-   chrono_format_spec: [[`fill`]`align`][`width`]["." `precision`][`chrono_specs`]
-   chrono_specs: [`chrono_specs`] `conversion_spec` | `chrono_specs` `literal_char`
-   conversion_spec: "%" [`modifier`] `chrono_type`
-   literal_char: <a character other than '{', '}' or '%'>
-   modifier: "E" | "O"
-   chrono_type: "a" | "A" | "b" | "B" | "c" | "C" | "d" | "D" | "e" | "F" |
-              : "g" | "G" | "h" | "H" | "I" | "j" | "m" | "M" | "n" | "p" |
-              : "q" | "Q" | "r" | "R" | "S" | "t" | "T" | "u" | "U" | "V" |
-              : "w" | "W" | "x" | "X" | "y" | "Y" | "z" | "Z" | "%"
-
-Literal chars are copied unchanged to the output. Precision is valid only for
-``std::chrono::duration`` types with a floating-point representation type.
-
-The available presentation types (*chrono_type*) for chrono durations and time
-points are:
-
-+---------+--------------------------------------------------------------------+
-| Type    | Meaning                                                            |
-+=========+====================================================================+
-| ``'H'`` | The hour (24-hour clock) as a decimal number. If the result is a   |
-|         | single digit, it is prefixed with 0. The modified command ``%OH``  |
-|         | produces the locale's alternative representation.                  |
-+---------+--------------------------------------------------------------------+
-| ``'M'`` | The minute as a decimal number. If the result is a single digit,   |
-|         | it is prefixed with 0. The modified command ``%OM`` produces the   |
-|         | locale's alternative representation.                               |
-+---------+--------------------------------------------------------------------+
-| ``'S'`` | Seconds as a decimal number. If the number of seconds is less than |
-|         | 10, the result is prefixed with 0. If the precision of the input   |
-|         | cannot be exactly represented with seconds, then the format is a   |
-|         | decimal floating-point number with a fixed format and a precision  |
-|         | matching that of the precision of the input (or to a microseconds  |
-|         | precision if the conversion to floating-point decimal seconds      |
-|         | cannot be made within 18 fractional digits). The character for the |
-|         | decimal point is localized according to the locale. The modified   |
-|         | command ``%OS`` produces the locale's alternative representation.  |
-+---------+--------------------------------------------------------------------+
-
-Specifiers that have a calendaric component such as ``'d'`` (the day of month)
-are valid only for ``std::tm`` and not durations or time points.
-
-.. range-specs:
-
-Range Format Specifications
-===========================
-
-Format specifications for range types have the following syntax:
-
-.. productionlist:: sf
-   range_format_spec: [":" [`underlying_spec`]]
-
-The `underlying_spec` is parsed based on the formatter of the range's
-reference type.
-
-By default, a range of characters or strings is printed escaped and quoted. But
-if any `underlying_spec` is provided (even if it is empty), then the characters
-or strings are printed according to the provided specification.
-
-Examples::
-
-  fmt::format("{}", std::vector{10, 20, 30});
-  // Result: [10, 20, 30]
-  fmt::format("{::#x}", std::vector{10, 20, 30});
-  // Result: [0xa, 0x14, 0x13]
-  fmt::format("{}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: ['h', 'e', 'l', 'l', 'o']
-  fmt::format("{::}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: [h, e, l, l, o]
-  fmt::format("{::d}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: [104, 101, 108, 108, 111]
-
-.. _formatexamples:
-
-Format Examples
-===============
-
-This section contains examples of the format syntax and comparison with
-the printf formatting.
-
-In most of the cases the syntax is similar to the printf formatting, with the
-addition of the ``{}`` and with ``:`` used instead of ``%``.
-For example, ``"%03.2f"`` can be translated to ``"{:03.2f}"``.
-
-The new format syntax also supports new and different options, shown in the
-following examples.
-
-Accessing arguments by position::
-
-   fmt::format("{0}, {1}, {2}", 'a', 'b', 'c');
-   // Result: "a, b, c"
-   fmt::format("{}, {}, {}", 'a', 'b', 'c');
-   // Result: "a, b, c"
-   fmt::format("{2}, {1}, {0}", 'a', 'b', 'c');
-   // Result: "c, b, a"
-   fmt::format("{0}{1}{0}", "abra", "cad");  // arguments' indices can be repeated
-   // Result: "abracadabra"
-
-Aligning the text and specifying a width::
-
-   fmt::format("{:<30}", "left aligned");
-   // Result: "left aligned                  "
-   fmt::format("{:>30}", "right aligned");
-   // Result: "                 right aligned"
-   fmt::format("{:^30}", "centered");
-   // Result: "           centered           "
-   fmt::format("{:*^30}", "centered");  // use '*' as a fill char
-   // Result: "***********centered***********"
-
-Dynamic width::
-
-   fmt::format("{:<{}}", "left aligned", 30);
-   // Result: "left aligned                  "
-
-Dynamic precision::
-
-   fmt::format("{:.{}f}", 3.14, 1);
-   // Result: "3.1"
-
-Replacing ``%+f``, ``%-f``, and ``% f`` and specifying a sign::
-
-   fmt::format("{:+f}; {:+f}", 3.14, -3.14);  // show it always
-   // Result: "+3.140000; -3.140000"
-   fmt::format("{: f}; {: f}", 3.14, -3.14);  // show a space for positive numbers
-   // Result: " 3.140000; -3.140000"
-   fmt::format("{:-f}; {:-f}", 3.14, -3.14);  // show only the minus -- same as '{:f}; {:f}'
-   // Result: "3.140000; -3.140000"
-
-Replacing ``%x`` and ``%o`` and converting the value to different bases::
-
-   fmt::format("int: {0:d};  hex: {0:x};  oct: {0:o}; bin: {0:b}", 42);
-   // Result: "int: 42;  hex: 2a;  oct: 52; bin: 101010"
-   // with 0x or 0 or 0b as prefix:
-   fmt::format("int: {0:d};  hex: {0:#x};  oct: {0:#o};  bin: {0:#b}", 42);
-   // Result: "int: 42;  hex: 0x2a;  oct: 052;  bin: 0b101010"
-
-Padded hex byte with prefix and always prints both hex characters::
-
-   fmt::format("{:#04x}", 0);
-   // Result: "0x00"
-
-Box drawing using Unicode fill::
-
-   fmt::print(
-     "┌{0:─^{2}}┐\n"
-     "│{1: ^{2}}│\n"
-     "└{0:─^{2}}┘\n", "", "Hello, world!", 20);
-
-prints::
-
-   ┌────────────────────┐
-   │   Hello, world!    │
-   └────────────────────┘
-
-Using type-specific formatting::
-
-   #include <fmt/chrono.h>
-
-   auto t = tm();
-   t.tm_year = 2010 - 1900;
-   t.tm_mon = 7;
-   t.tm_mday = 4;
-   t.tm_hour = 12;
-   t.tm_min = 15;
-   t.tm_sec = 58;
-   fmt::print("{:%Y-%m-%d %H:%M:%S}", t);
-   // Prints: 2010-08-04 12:15:58
-
-Using the comma as a thousands separator::
-
-   #include <fmt/format.h>
-
-   auto s = fmt::format(std::locale("en_US.UTF-8"), "{:L}", 1234567890);
-   // s == "1,234,567,890"
-
-.. ifconfig:: False
-
-   Nesting arguments and more complex examples::
-
-      >>> for align, text in zip('<^>', ['left', 'center', 'right']):
-      ...     '{0:{fill}{align}16}") << text, fill=align, align=align)
-      ...
-      'left<<<<<<<<<<<<'
-      '^^^^^center^^^^^'
-      '>>>>>>>>>>>right'
-      >>>
-      >>> octets = [192, 168, 0, 1]
-      Format("{:02X}{:02X}{:02X}{:02X}") << *octets)
-      'C0A80001'
-      >>> int(_, 16)
-      3232235521
-      >>>
-      >>> width = 5
-      >>> for num in range(5,12):
-      ...     for base in 'dXob':
-      ...         print('{0:{width}{base}}") << num, base=base, width=width), end=' ')
-      ...     print()
-      ...
-          5     5     5   101
-          6     6     6   110
-          7     7     7   111
-          8     8    10  1000
-          9     9    11  1001
-         10     A    12  1010
-         11     B    13  1011
diff --git a/third_party/fmt-9.1.0/doc/html/_sources/usage.rst.txt b/third_party/fmt-9.1.0/doc/html/_sources/usage.rst.txt
deleted file mode 100644
index f9f81858..00000000
--- a/third_party/fmt-9.1.0/doc/html/_sources/usage.rst.txt
+++ /dev/null
@@ -1,212 +0,0 @@
-*****
-Usage
-*****
-
-To use the {fmt} library, add :file:`fmt/core.h`, :file:`fmt/format.h`,
-:file:`fmt/format-inl.h`, :file:`src/format.cc` and optionally other headers
-from a `release archive <https://github.com/fmtlib/fmt/releases/latest>`_ or
-the `Git repository <https://github.com/fmtlib/fmt>`_ to your project.
-Alternatively, you can :ref:`build the library with CMake <building>`.
-
-.. _building:
-
-Building the Library
-====================
-
-The included `CMake build script`__ can be used to build the fmt
-library on a wide range of platforms. CMake is freely available for
-download from https://www.cmake.org/download/.
-
-__ https://github.com/fmtlib/fmt/blob/master/CMakeLists.txt
-
-CMake works by generating native makefiles or project files that can
-be used in the compiler environment of your choice. The typical
-workflow starts with::
-
-  mkdir build          # Create a directory to hold the build output.
-  cd build
-  cmake ..  # Generate native build scripts.
-
-where :file:`{<path/to/fmt>}` is a path to the ``fmt`` repository.
-
-If you are on a \*nix system, you should now see a Makefile in the
-current directory. Now you can build the library by running :command:`make`.
-
-Once the library has been built you can invoke :command:`make test` to run
-the tests.
-
-You can control generation of the make ``test`` target with the ``FMT_TEST``
-CMake option. This can be useful if you include fmt as a subdirectory in
-your project but don't want to add fmt's tests to your ``test`` target.
-
-If you use Windows and have Visual Studio installed, a :file:`FMT.sln`
-file and several :file:`.vcproj` files will be created. You can then build them
-using Visual Studio or msbuild.
-
-On Mac OS X with Xcode installed, an :file:`.xcodeproj` file will be generated.
-
-To build a `shared library`__ set the ``BUILD_SHARED_LIBS`` CMake variable to
-``TRUE``::
-
-  cmake -DBUILD_SHARED_LIBS=TRUE ...
-
-__ https://en.wikipedia.org/wiki/Library_%28computing%29#Shared_libraries
-
-
-To build a `static library` with position independent code (required if the main
-consumer of the fmt library is a shared library i.e. a Python extension) set the
-``CMAKE_POSITION_INDEPENDENT_CODE`` CMake variable to ``TRUE``::
-
-  cmake -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE ...
-
-
-Installing the Library
-======================
-
-After building the library you can install it on a Unix-like system by running
-:command:`sudo make install`.
-
-Usage with CMake
-================
-
-You can add the ``fmt`` library directory into your project and include it in
-your ``CMakeLists.txt`` file::
-
-   add_subdirectory(fmt)
-
-or
-
-::
-
-   add_subdirectory(fmt EXCLUDE_FROM_ALL)
-
-to exclude it from ``make``, ``make all``, or ``cmake --build .``.
-
-You can detect and use an installed version of {fmt} as follows::
-
-   find_package(fmt)
-   target_link_libraries(<your-target> fmt::fmt)
-
-Setting up your target to use a header-only version of ``fmt`` is equally easy::
-
-   target_link_libraries(<your-target> PRIVATE fmt::fmt-header-only)
-
-Usage with build2
-=================
-
-You can use `build2 <https://build2.org>`_, a dependency manager and a
-build-system combined, to use ``fmt``.
-
-Currently this package is available in these package repositories:
-
-- **https://cppget.org/fmt/** for released and published versions.
-- `The git repository with the sources of the build2 package of fmt <https://github.com/build2-packaging/fmt.git>`_
-  for unreleased or custom revisions of ``fmt``.
-
-**Usage:**
-
-- ``build2`` package name: ``fmt``
-- Library target name : ``lib{fmt}``
-
-For example, to make your ``build2`` project depend on ``fmt``:
-
-- Add one of the repositories to your configurations, or in your
-  ``repositories.manifest``, if not already there::
-
-    :
-    role: prerequisite
-    location: https://pkg.cppget.org/1/stable
-
-- Add this package as a dependency to your ``./manifest`` file
-  (example for ``v7.0.x``)::
-
-    depends: fmt ~7.0.0
-
-- Import the target and use it as a prerequisite to your own target
-  using `fmt` in the appropriate ``buildfile``::
-
-    import fmt = fmt%lib{fmt}
-    lib{mylib} : cxx{**} ... $fmt
-
-Then build your project as usual with `b` or `bdep update`.
-
-For ``build2`` newcomers or to get more details and use cases, you can read the
-``build2``
-`toolchain introduction <https://build2.org/build2-toolchain/doc/build2-toolchain-intro.xhtml>`_.
-
-Building the Documentation
-==========================
-
-To build the documentation you need the following software installed on your
-system:
-
-* `Python <https://www.python.org/>`_ with pip and virtualenv
-* `Doxygen <http://www.stack.nl/~dimitri/doxygen/>`_
-* `Less <http://lesscss.org/>`_ with ``less-plugin-clean-css``.
-  Ubuntu doesn't package the ``clean-css`` plugin so you should use ``npm``
-  instead of ``apt`` to install both ``less`` and the plugin::
-
-    sudo npm install -g less less-plugin-clean-css.
-
-First generate makefiles or project files using CMake as described in
-the previous section. Then compile the ``doc`` target/project, for example::
-
-  make doc
-
-This will generate the HTML documentation in ``doc/html``.
-
-Conda
-=====
-
-fmt can be installed on Linux, macOS and Windows with
-`Conda <https://docs.conda.io/en/latest/>`__, using its
-`conda-forge <https://conda-forge.org>`__
-`package <https://github.com/conda-forge/fmt-feedstock>`__, as follows::
-
-  conda install -c conda-forge fmt
-
-Vcpkg
-=====
-
-You can download and install fmt using the `vcpkg
-<https://github.com/Microsoft/vcpkg>`__ dependency manager::
-
-  git clone https://github.com/Microsoft/vcpkg.git
-  cd vcpkg
-  ./bootstrap-vcpkg.sh
-  ./vcpkg integrate install
-  ./vcpkg install fmt
-
-The fmt port in vcpkg is kept up to date by Microsoft team members and community
-contributors. If the version is out of date, please `create an issue or pull
-request <https://github.com/Microsoft/vcpkg>`__ on the vcpkg repository.
-
-LHelper
-=======
-
-You can download and install fmt using
-`lhelper <https://github.com/franko/lhelper>`__ dependency manager::
-
-  lhelper activate <some-environment>
-  lhelper install fmt
-
-All the recipes for lhelper are kept in the
-`lhelper's recipe <https://github.com/franko/lhelper-recipes>`__ repository.
-
-Android NDK
-===========
-
-fmt provides `Android.mk file`__ that can be used to build the library
-with `Android NDK <https://developer.android.com/tools/sdk/ndk/index.html>`_.
-For an example of using fmt with Android NDK, see the
-`android-ndk-example <https://github.com/fmtlib/android-ndk-example>`_
-repository.
-
-__ https://github.com/fmtlib/fmt/blob/master/support/Android.mk
-
-Homebrew
-========
-
-fmt can be installed on OS X using `Homebrew <https://brew.sh/>`_::
-
-  brew install fmt
diff --git a/third_party/fmt-9.1.0/doc/html/_static/basic.css b/third_party/fmt-9.1.0/doc/html/_static/basic.css
deleted file mode 100644
index 24a49f09..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/basic.css
+++ /dev/null
@@ -1,856 +0,0 @@
-/*
- * basic.css
- * ~~~~~~~~~
- *
- * Sphinx stylesheet -- basic theme.
- *
- * :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
- * :license: BSD, see LICENSE for details.
- *
- */
-
-/* -- main layout ----------------------------------------------------------- */
-
-div.clearer {
-    clear: both;
-}
-
-div.section::after {
-    display: block;
-    content: '';
-    clear: left;
-}
-
-/* -- relbar ---------------------------------------------------------------- */
-
-div.related {
-    width: 100%;
-    font-size: 90%;
-}
-
-div.related h3 {
-    display: none;
-}
-
-div.related ul {
-    margin: 0;
-    padding: 0 0 0 10px;
-    list-style: none;
-}
-
-div.related li {
-    display: inline;
-}
-
-div.related li.right {
-    float: right;
-    margin-right: 5px;
-}
-
-/* -- sidebar --------------------------------------------------------------- */
-
-div.sphinxsidebarwrapper {
-    padding: 10px 5px 0 10px;
-}
-
-div.sphinxsidebar {
-    float: left;
-    width: 230px;
-    margin-left: -100%;
-    font-size: 90%;
-    word-wrap: break-word;
-    overflow-wrap : break-word;
-}
-
-div.sphinxsidebar ul {
-    list-style: none;
-}
-
-div.sphinxsidebar ul ul,
-div.sphinxsidebar ul.want-points {
-    margin-left: 20px;
-    list-style: square;
-}
-
-div.sphinxsidebar ul ul {
-    margin-top: 0;
-    margin-bottom: 0;
-}
-
-div.sphinxsidebar form {
-    margin-top: 10px;
-}
-
-div.sphinxsidebar input {
-    border: 1px solid #98dbcc;
-    font-family: sans-serif;
-    font-size: 1em;
-}
-
-div.sphinxsidebar #searchbox form.search {
-    overflow: hidden;
-}
-
-div.sphinxsidebar #searchbox input[type="text"] {
-    float: left;
-    width: 80%;
-    padding: 0.25em;
-    box-sizing: border-box;
-}
-
-div.sphinxsidebar #searchbox input[type="submit"] {
-    float: left;
-    width: 20%;
-    border-left: none;
-    padding: 0.25em;
-    box-sizing: border-box;
-}
-
-
-img {
-    border: 0;
-    max-width: 100%;
-}
-
-/* -- search page ----------------------------------------------------------- */
-
-ul.search {
-    margin: 10px 0 0 20px;
-    padding: 0;
-}
-
-ul.search li {
-    padding: 5px 0 5px 20px;
-    background-image: url(file.png);
-    background-repeat: no-repeat;
-    background-position: 0 7px;
-}
-
-ul.search li a {
-    font-weight: bold;
-}
-
-ul.search li div.context {
-    color: #888;
-    margin: 2px 0 0 30px;
-    text-align: left;
-}
-
-ul.keywordmatches li.goodmatch a {
-    font-weight: bold;
-}
-
-/* -- index page ------------------------------------------------------------ */
-
-table.contentstable {
-    width: 90%;
-    margin-left: auto;
-    margin-right: auto;
-}
-
-table.contentstable p.biglink {
-    line-height: 150%;
-}
-
-a.biglink {
-    font-size: 1.3em;
-}
-
-span.linkdescr {
-    font-style: italic;
-    padding-top: 5px;
-    font-size: 90%;
-}
-
-/* -- general index --------------------------------------------------------- */
-
-table.indextable {
-    width: 100%;
-}
-
-table.indextable td {
-    text-align: left;
-    vertical-align: top;
-}
-
-table.indextable ul {
-    margin-top: 0;
-    margin-bottom: 0;
-    list-style-type: none;
-}
-
-table.indextable > tbody > tr > td > ul {
-    padding-left: 0em;
-}
-
-table.indextable tr.pcap {
-    height: 10px;
-}
-
-table.indextable tr.cap {
-    margin-top: 10px;
-    background-color: #f2f2f2;
-}
-
-img.toggler {
-    margin-right: 3px;
-    margin-top: 3px;
-    cursor: pointer;
-}
-
-div.modindex-jumpbox {
-    border-top: 1px solid #ddd;
-    border-bottom: 1px solid #ddd;
-    margin: 1em 0 1em 0;
-    padding: 0.4em;
-}
-
-div.genindex-jumpbox {
-    border-top: 1px solid #ddd;
-    border-bottom: 1px solid #ddd;
-    margin: 1em 0 1em 0;
-    padding: 0.4em;
-}
-
-/* -- domain module index --------------------------------------------------- */
-
-table.modindextable td {
-    padding: 2px;
-    border-collapse: collapse;
-}
-
-/* -- general body styles --------------------------------------------------- */
-
-div.body {
-    min-width: 450px;
-    max-width: 800px;
-}
-
-div.body p, div.body dd, div.body li, div.body blockquote {
-    -moz-hyphens: auto;
-    -ms-hyphens: auto;
-    -webkit-hyphens: auto;
-    hyphens: auto;
-}
-
-a.headerlink {
-    visibility: hidden;
-}
-
-a.brackets:before,
-span.brackets > a:before{
-    content: "[";
-}
-
-a.brackets:after,
-span.brackets > a:after {
-    content: "]";
-}
-
-h1:hover > a.headerlink,
-h2:hover > a.headerlink,
-h3:hover > a.headerlink,
-h4:hover > a.headerlink,
-h5:hover > a.headerlink,
-h6:hover > a.headerlink,
-dt:hover > a.headerlink,
-caption:hover > a.headerlink,
-p.caption:hover > a.headerlink,
-div.code-block-caption:hover > a.headerlink {
-    visibility: visible;
-}
-
-div.body p.caption {
-    text-align: inherit;
-}
-
-div.body td {
-    text-align: left;
-}
-
-.first {
-    margin-top: 0 !important;
-}
-
-p.rubric {
-    margin-top: 30px;
-    font-weight: bold;
-}
-
-img.align-left, .figure.align-left, object.align-left {
-    clear: left;
-    float: left;
-    margin-right: 1em;
-}
-
-img.align-right, .figure.align-right, object.align-right {
-    clear: right;
-    float: right;
-    margin-left: 1em;
-}
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto;
-}
-
-img.align-default, .figure.align-default {
-  display: block;
-  margin-left: auto;
-  margin-right: auto;
-}
-
-.align-left {
-    text-align: left;
-}
-
-.align-center {
-    text-align: center;
-}
-
-.align-default {
-    text-align: center;
-}
-
-.align-right {
-    text-align: right;
-}
-
-/* -- sidebars -------------------------------------------------------------- */
-
-div.sidebar {
-    margin: 0 0 0.5em 1em;
-    border: 1px solid #ddb;
-    padding: 7px;
-    background-color: #ffe;
-    width: 40%;
-    float: right;
-    clear: right;
-    overflow-x: auto;
-}
-
-p.sidebar-title {
-    font-weight: bold;
-}
-
-div.admonition, div.topic, blockquote {
-    clear: left;
-}
-
-/* -- topics ---------------------------------------------------------------- */
-
-div.topic {
-    border: 1px solid #ccc;
-    padding: 7px;
-    margin: 10px 0 10px 0;
-}
-
-p.topic-title {
-    font-size: 1.1em;
-    font-weight: bold;
-    margin-top: 10px;
-}
-
-/* -- admonitions ----------------------------------------------------------- */
-
-div.admonition {
-    margin-top: 10px;
-    margin-bottom: 10px;
-    padding: 7px;
-}
-
-div.admonition dt {
-    font-weight: bold;
-}
-
-p.admonition-title {
-    margin: 0px 10px 5px 0px;
-    font-weight: bold;
-}
-
-div.body p.centered {
-    text-align: center;
-    margin-top: 25px;
-}
-
-/* -- content of sidebars/topics/admonitions -------------------------------- */
-
-div.sidebar > :last-child,
-div.topic > :last-child,
-div.admonition > :last-child {
-    margin-bottom: 0;
-}
-
-div.sidebar::after,
-div.topic::after,
-div.admonition::after,
-blockquote::after {
-    display: block;
-    content: '';
-    clear: both;
-}
-
-/* -- tables ---------------------------------------------------------------- */
-
-table.docutils {
-    margin-top: 10px;
-    margin-bottom: 10px;
-    border: 0;
-    border-collapse: collapse;
-}
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-    border: 0 !important;
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-th {
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-th > :first-child,
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-div.figure p.caption span.caption-number {
-    font-style: italic;
-}
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-}
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-table.field-list td, table.field-list th {
-    border: 0 !important;
-}
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-.field-list ul {
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-    -ms-hyphens: manual;
-    -webkit-hyphens: manual;
-    hyphens: manual;
-}
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-/* -- hlist styles ---------------------------------------------------------- */
-
-table.hlist {
-    margin: 1em 0;
-}
-
-table.hlist td {
-    vertical-align: top;
-}
-
-
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-ol.arabic {
-    list-style: decimal;
-}
-
-ol.loweralpha {
-    list-style: lower-alpha;
-}
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-    margin-top: 0;
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/doctools.js b/third_party/fmt-9.1.0/doc/html/_static/doctools.js
deleted file mode 100644
index 7d88f807..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/doctools.js
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * doctools.js
- * ~~~~~~~~~~~
- *
- * Sphinx JavaScript utilities for all documentation.
- *
- * :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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-
-/**
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- */
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-
-/**
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- */
-jQuery.urlencode = encodeURIComponent;
-
-/**
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-    s = document.location.search;
-  var parts = s.substr(s.indexOf('?') + 1).split('&');
-  var result = {};
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-    var key = jQuery.urldecode(tmp[0]);
-    var value = jQuery.urldecode(tmp[1]);
-    if (key in result)
-      result[key].push(value);
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-      result[key] = [value];
-  }
-  return result;
-};
-
-/**
- * highlight a given string on a jquery object by wrapping it in
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- */
-jQuery.fn.highlightText = function(text, className) {
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-      var pos = val.toLowerCase().indexOf(text);
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-          !jQuery(node.parentNode).hasClass(className) &&
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-        var span;
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-        if (isInSVG) {
-          span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
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-          rect.width.baseVal.value = bbox.width;
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-              "target": rect});
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-    else if (!jQuery(node).is("button, select, textarea")) {
-      jQuery.each(node.childNodes, function() {
-        highlight(this, addItems);
-      });
-    }
-  }
-  var addItems = [];
-  var result = this.each(function() {
-    highlight(this, addItems);
-  });
-  for (var i = 0; i < addItems.length; ++i) {
-    jQuery(addItems[i].parent).before(addItems[i].target);
-  }
-  return result;
-};
-
-/*
- * backward compatibility for jQuery.browser
- * This will be supported until firefox bug is fixed.
- */
-if (!jQuery.browser) {
-  jQuery.uaMatch = function(ua) {
-    ua = ua.toLowerCase();
-
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-      [];
-
-    return {
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-      version: match[ 2 ] || "0"
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-  jQuery.browser = {};
-  jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true;
-}
-
-/**
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-  /**
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-  },
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-
-  /**
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-   */
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-    if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
-        togglers.click();
-    }
-  },
-
-  /**
-   * helper function to hide the search marks again
-   */
-  hideSearchWords : function() {
-    $('#searchbox .highlight-link').fadeOut(300);
-    $('span.highlighted').removeClass('highlighted');
-  },
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-  /**
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-    return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
-  },
-
-  /**
-   * get the current relative url
-   */
-  getCurrentURL : function() {
-    var path = document.location.pathname;
-    var parts = path.split(/\//);
-    $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
-      if (this === '..')
-        parts.pop();
-    });
-    var url = parts.join('/');
-    return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
-  },
-
-  initOnKeyListeners: function() {
-    $(document).keydown(function(event) {
-      var activeElementType = document.activeElement.tagName;
-      // don't navigate when in search box, textarea, dropdown or button
-      if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT'
-          && activeElementType !== 'BUTTON' && !event.altKey && !event.ctrlKey && !event.metaKey
-          && !event.shiftKey) {
-        switch (event.keyCode) {
-          case 37: // left
-            var prevHref = $('link[rel="prev"]').prop('href');
-            if (prevHref) {
-              window.location.href = prevHref;
-              return false;
-            }
-          case 39: // right
-            var nextHref = $('link[rel="next"]').prop('href');
-            if (nextHref) {
-              window.location.href = nextHref;
-              return false;
-            }
-        }
-      }
-    });
-  }
-};
-
-// quick alias for translations
-_ = Documentation.gettext;
-
-$(document).ready(function() {
-  Documentation.init();
-});
diff --git a/third_party/fmt-9.1.0/doc/html/_static/documentation_options.js b/third_party/fmt-9.1.0/doc/html/_static/documentation_options.js
deleted file mode 100644
index 81753b49..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/documentation_options.js
+++ /dev/null
@@ -1,12 +0,0 @@
-var DOCUMENTATION_OPTIONS = {
-    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '9.1.0',
-    LANGUAGE: 'None',
-    COLLAPSE_INDEX: false,
-    BUILDER: 'html',
-    FILE_SUFFIX: '.html',
-    LINK_SUFFIX: '.html',
-    HAS_SOURCE: true,
-    SOURCELINK_SUFFIX: '.txt',
-    NAVIGATION_WITH_KEYS: false
-};
\ No newline at end of file
diff --git a/third_party/fmt-9.1.0/doc/html/_static/file.png b/third_party/fmt-9.1.0/doc/html/_static/file.png
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/fmt.css b/third_party/fmt-9.1.0/doc/html/_static/fmt.css
deleted file mode 100644
index b57011e3..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/fmt.css
+++ /dev/null
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-section,
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-canvas,
-progress,
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-  vertical-align: baseline;
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-[hidden],
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-  font-size: 2em;
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/fonts/glyphicons-halflings-regular.ttf b/third_party/fmt-9.1.0/doc/html/_static/fonts/glyphicons-halflings-regular.ttf
deleted file mode 100644
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/fonts/glyphicons-halflings-regular.woff b/third_party/fmt-9.1.0/doc/html/_static/fonts/glyphicons-halflings-regular.woff
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/jquery-3.5.1.js b/third_party/fmt-9.1.0/doc/html/_static/jquery-3.5.1.js
deleted file mode 100644
index 50937333..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/jquery-3.5.1.js
+++ /dev/null
@@ -1,10872 +0,0 @@
-/*!
- * jQuery JavaScript Library v3.5.1
- * https://jquery.com/
- *
- * Includes Sizzle.js
- * https://sizzlejs.com/
- *
- * Copyright JS Foundation and other contributors
- * Released under the MIT license
- * https://jquery.org/license
- *
- * Date: 2020-05-04T22:49Z
- */
-( function( global, factory ) {
-
-	"use strict";
-
-	if ( typeof module === "object" && typeof module.exports === "object" ) {
-
-		// For CommonJS and CommonJS-like environments where a proper `window`
-		// is present, execute the factory and get jQuery.
-		// For environments that do not have a `window` with a `document`
-		// (such as Node.js), expose a factory as module.exports.
-		// This accentuates the need for the creation of a real `window`.
-		// e.g. var jQuery = require("jquery")(window);
-		// See ticket #14549 for more info.
-		module.exports = global.document ?
-			factory( global, true ) :
-			function( w ) {
-				if ( !w.document ) {
-					throw new Error( "jQuery requires a window with a document" );
-				}
-				return factory( w );
-			};
-	} else {
-		factory( global );
-	}
-
-// Pass this if window is not defined yet
-} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
-
-// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
-// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
-// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
-// enough that all such attempts are guarded in a try block.
-"use strict";
-
-var arr = [];
-
-var getProto = Object.getPrototypeOf;
-
-var slice = arr.slice;
-
-var flat = arr.flat ? function( array ) {
-	return arr.flat.call( array );
-} : function( array ) {
-	return arr.concat.apply( [], array );
-};
-
-
-var push = arr.push;
-
-var indexOf = arr.indexOf;
-
-var class2type = {};
-
-var toString = class2type.toString;
-
-var hasOwn = class2type.hasOwnProperty;
-
-var fnToString = hasOwn.toString;
-
-var ObjectFunctionString = fnToString.call( Object );
-
-var support = {};
-
-var isFunction = function isFunction( obj ) {
-
-      // Support: Chrome <=57, Firefox <=52
-      // In some browsers, typeof returns "function" for HTML <object> elements
-      // (i.e., `typeof document.createElement( "object" ) === "function"`).
-      // We don't want to classify *any* DOM node as a function.
-      return typeof obj === "function" && typeof obj.nodeType !== "number";
-  };
-
-
-var isWindow = function isWindow( obj ) {
-		return obj != null && obj === obj.window;
-	};
-
-
-var document = window.document;
-
-
-
-	var preservedScriptAttributes = {
-		type: true,
-		src: true,
-		nonce: true,
-		noModule: true
-	};
-
-	function DOMEval( code, node, doc ) {
-		doc = doc || document;
-
-		var i, val,
-			script = doc.createElement( "script" );
-
-		script.text = code;
-		if ( node ) {
-			for ( i in preservedScriptAttributes ) {
-
-				// Support: Firefox 64+, Edge 18+
-				// Some browsers don't support the "nonce" property on scripts.
-				// On the other hand, just using `getAttribute` is not enough as
-				// the `nonce` attribute is reset to an empty string whenever it
-				// becomes browsing-context connected.
-				// See https://github.com/whatwg/html/issues/2369
-				// See https://html.spec.whatwg.org/#nonce-attributes
-				// The `node.getAttribute` check was added for the sake of
-				// `jQuery.globalEval` so that it can fake a nonce-containing node
-				// via an object.
-				val = node[ i ] || node.getAttribute && node.getAttribute( i );
-				if ( val ) {
-					script.setAttribute( i, val );
-				}
-			}
-		}
-		doc.head.appendChild( script ).parentNode.removeChild( script );
-	}
-
-
-function toType( obj ) {
-	if ( obj == null ) {
-		return obj + "";
-	}
-
-	// Support: Android <=2.3 only (functionish RegExp)
-	return typeof obj === "object" || typeof obj === "function" ?
-		class2type[ toString.call( obj ) ] || "object" :
-		typeof obj;
-}
-/* global Symbol */
-// Defining this global in .eslintrc.json would create a danger of using the global
-// unguarded in another place, it seems safer to define global only for this module
-
-
-
-var
-	version = "3.5.1",
-
-	// Define a local copy of jQuery
-	jQuery = function( selector, context ) {
-
-		// The jQuery object is actually just the init constructor 'enhanced'
-		// Need init if jQuery is called (just allow error to be thrown if not included)
-		return new jQuery.fn.init( selector, context );
-	};
-
-jQuery.fn = jQuery.prototype = {
-
-	// The current version of jQuery being used
-	jquery: version,
-
-	constructor: jQuery,
-
-	// The default length of a jQuery object is 0
-	length: 0,
-
-	toArray: function() {
-		return slice.call( this );
-	},
-
-	// Get the Nth element in the matched element set OR
-	// Get the whole matched element set as a clean array
-	get: function( num ) {
-
-		// Return all the elements in a clean array
-		if ( num == null ) {
-			return slice.call( this );
-		}
-
-		// Return just the one element from the set
-		return num < 0 ? this[ num + this.length ] : this[ num ];
-	},
-
-	// Take an array of elements and push it onto the stack
-	// (returning the new matched element set)
-	pushStack: function( elems ) {
-
-		// Build a new jQuery matched element set
-		var ret = jQuery.merge( this.constructor(), elems );
-
-		// Add the old object onto the stack (as a reference)
-		ret.prevObject = this;
-
-		// Return the newly-formed element set
-		return ret;
-	},
-
-	// Execute a callback for every element in the matched set.
-	each: function( callback ) {
-		return jQuery.each( this, callback );
-	},
-
-	map: function( callback ) {
-		return this.pushStack( jQuery.map( this, function( elem, i ) {
-			return callback.call( elem, i, elem );
-		} ) );
-	},
-
-	slice: function() {
-		return this.pushStack( slice.apply( this, arguments ) );
-	},
-
-	first: function() {
-		return this.eq( 0 );
-	},
-
-	last: function() {
-		return this.eq( -1 );
-	},
-
-	even: function() {
-		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
-			return ( i + 1 ) % 2;
-		} ) );
-	},
-
-	odd: function() {
-		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
-			return i % 2;
-		} ) );
-	},
-
-	eq: function( i ) {
-		var len = this.length,
-			j = +i + ( i < 0 ? len : 0 );
-		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
-	},
-
-	end: function() {
-		return this.prevObject || this.constructor();
-	},
-
-	// For internal use only.
-	// Behaves like an Array's method, not like a jQuery method.
-	push: push,
-	sort: arr.sort,
-	splice: arr.splice
-};
-
-jQuery.extend = jQuery.fn.extend = function() {
-	var options, name, src, copy, copyIsArray, clone,
-		target = arguments[ 0 ] || {},
-		i = 1,
-		length = arguments.length,
-		deep = false;
-
-	// Handle a deep copy situation
-	if ( typeof target === "boolean" ) {
-		deep = target;
-
-		// Skip the boolean and the target
-		target = arguments[ i ] || {};
-		i++;
-	}
-
-	// Handle case when target is a string or something (possible in deep copy)
-	if ( typeof target !== "object" && !isFunction( target ) ) {
-		target = {};
-	}
-
-	// Extend jQuery itself if only one argument is passed
-	if ( i === length ) {
-		target = this;
-		i--;
-	}
-
-	for ( ; i < length; i++ ) {
-
-		// Only deal with non-null/undefined values
-		if ( ( options = arguments[ i ] ) != null ) {
-
-			// Extend the base object
-			for ( name in options ) {
-				copy = options[ name ];
-
-				// Prevent Object.prototype pollution
-				// Prevent never-ending loop
-				if ( name === "__proto__" || target === copy ) {
-					continue;
-				}
-
-				// Recurse if we're merging plain objects or arrays
-				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
-					( copyIsArray = Array.isArray( copy ) ) ) ) {
-					src = target[ name ];
-
-					// Ensure proper type for the source value
-					if ( copyIsArray && !Array.isArray( src ) ) {
-						clone = [];
-					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
-						clone = {};
-					} else {
-						clone = src;
-					}
-					copyIsArray = false;
-
-					// Never move original objects, clone them
-					target[ name ] = jQuery.extend( deep, clone, copy );
-
-				// Don't bring in undefined values
-				} else if ( copy !== undefined ) {
-					target[ name ] = copy;
-				}
-			}
-		}
-	}
-
-	// Return the modified object
-	return target;
-};
-
-jQuery.extend( {
-
-	// Unique for each copy of jQuery on the page
-	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
-
-	// Assume jQuery is ready without the ready module
-	isReady: true,
-
-	error: function( msg ) {
-		throw new Error( msg );
-	},
-
-	noop: function() {},
-
-	isPlainObject: function( obj ) {
-		var proto, Ctor;
-
-		// Detect obvious negatives
-		// Use toString instead of jQuery.type to catch host objects
-		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
-			return false;
-		}
-
-		proto = getProto( obj );
-
-		// Objects with no prototype (e.g., `Object.create( null )`) are plain
-		if ( !proto ) {
-			return true;
-		}
-
-		// Objects with prototype are plain iff they were constructed by a global Object function
-		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
-		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
-	},
-
-	isEmptyObject: function( obj ) {
-		var name;
-
-		for ( name in obj ) {
-			return false;
-		}
-		return true;
-	},
-
-	// Evaluates a script in a provided context; falls back to the global one
-	// if not specified.
-	globalEval: function( code, options, doc ) {
-		DOMEval( code, { nonce: options && options.nonce }, doc );
-	},
-
-	each: function( obj, callback ) {
-		var length, i = 0;
-
-		if ( isArrayLike( obj ) ) {
-			length = obj.length;
-			for ( ; i < length; i++ ) {
-				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
-					break;
-				}
-			}
-		} else {
-			for ( i in obj ) {
-				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
-					break;
-				}
-			}
-		}
-
-		return obj;
-	},
-
-	// results is for internal usage only
-	makeArray: function( arr, results ) {
-		var ret = results || [];
-
-		if ( arr != null ) {
-			if ( isArrayLike( Object( arr ) ) ) {
-				jQuery.merge( ret,
-					typeof arr === "string" ?
-					[ arr ] : arr
-				);
-			} else {
-				push.call( ret, arr );
-			}
-		}
-
-		return ret;
-	},
-
-	inArray: function( elem, arr, i ) {
-		return arr == null ? -1 : indexOf.call( arr, elem, i );
-	},
-
-	// Support: Android <=4.0 only, PhantomJS 1 only
-	// push.apply(_, arraylike) throws on ancient WebKit
-	merge: function( first, second ) {
-		var len = +second.length,
-			j = 0,
-			i = first.length;
-
-		for ( ; j < len; j++ ) {
-			first[ i++ ] = second[ j ];
-		}
-
-		first.length = i;
-
-		return first;
-	},
-
-	grep: function( elems, callback, invert ) {
-		var callbackInverse,
-			matches = [],
-			i = 0,
-			length = elems.length,
-			callbackExpect = !invert;
-
-		// Go through the array, only saving the items
-		// that pass the validator function
-		for ( ; i < length; i++ ) {
-			callbackInverse = !callback( elems[ i ], i );
-			if ( callbackInverse !== callbackExpect ) {
-				matches.push( elems[ i ] );
-			}
-		}
-
-		return matches;
-	},
-
-	// arg is for internal usage only
-	map: function( elems, callback, arg ) {
-		var length, value,
-			i = 0,
-			ret = [];
-
-		// Go through the array, translating each of the items to their new values
-		if ( isArrayLike( elems ) ) {
-			length = elems.length;
-			for ( ; i < length; i++ ) {
-				value = callback( elems[ i ], i, arg );
-
-				if ( value != null ) {
-					ret.push( value );
-				}
-			}
-
-		// Go through every key on the object,
-		} else {
-			for ( i in elems ) {
-				value = callback( elems[ i ], i, arg );
-
-				if ( value != null ) {
-					ret.push( value );
-				}
-			}
-		}
-
-		// Flatten any nested arrays
-		return flat( ret );
-	},
-
-	// A global GUID counter for objects
-	guid: 1,
-
-	// jQuery.support is not used in Core but other projects attach their
-	// properties to it so it needs to exist.
-	support: support
-} );
-
-if ( typeof Symbol === "function" ) {
-	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
-}
-
-// Populate the class2type map
-jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
-function( _i, name ) {
-	class2type[ "[object " + name + "]" ] = name.toLowerCase();
-} );
-
-function isArrayLike( obj ) {
-
-	// Support: real iOS 8.2 only (not reproducible in simulator)
-	// `in` check used to prevent JIT error (gh-2145)
-	// hasOwn isn't used here due to false negatives
-	// regarding Nodelist length in IE
-	var length = !!obj && "length" in obj && obj.length,
-		type = toType( obj );
-
-	if ( isFunction( obj ) || isWindow( obj ) ) {
-		return false;
-	}
-
-	return type === "array" || length === 0 ||
-		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
-}
-var Sizzle =
-/*!
- * Sizzle CSS Selector Engine v2.3.5
- * https://sizzlejs.com/
- *
- * Copyright JS Foundation and other contributors
- * Released under the MIT license
- * https://js.foundation/
- *
- * Date: 2020-03-14
- */
-( function( window ) {
-var i,
-	support,
-	Expr,
-	getText,
-	isXML,
-	tokenize,
-	compile,
-	select,
-	outermostContext,
-	sortInput,
-	hasDuplicate,
-
-	// Local document vars
-	setDocument,
-	document,
-	docElem,
-	documentIsHTML,
-	rbuggyQSA,
-	rbuggyMatches,
-	matches,
-	contains,
-
-	// Instance-specific data
-	expando = "sizzle" + 1 * new Date(),
-	preferredDoc = window.document,
-	dirruns = 0,
-	done = 0,
-	classCache = createCache(),
-	tokenCache = createCache(),
-	compilerCache = createCache(),
-	nonnativeSelectorCache = createCache(),
-	sortOrder = function( a, b ) {
-		if ( a === b ) {
-			hasDuplicate = true;
-		}
-		return 0;
-	},
-
-	// Instance methods
-	hasOwn = ( {} ).hasOwnProperty,
-	arr = [],
-	pop = arr.pop,
-	pushNative = arr.push,
-	push = arr.push,
-	slice = arr.slice,
-
-	// Use a stripped-down indexOf as it's faster than native
-	// https://jsperf.com/thor-indexof-vs-for/5
-	indexOf = function( list, elem ) {
-		var i = 0,
-			len = list.length;
-		for ( ; i < len; i++ ) {
-			if ( list[ i ] === elem ) {
-				return i;
-			}
-		}
-		return -1;
-	},
-
-	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
-		"ismap|loop|multiple|open|readonly|required|scoped",
-
-	// Regular expressions
-
-	// http://www.w3.org/TR/css3-selectors/#whitespace
-	whitespace = "[\\x20\\t\\r\\n\\f]",
-
-	// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
-	identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
-		"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
-
-	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
-	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
-
-		// Operator (capture 2)
-		"*([*^$|!~]?=)" + whitespace +
-
-		// "Attribute values must be CSS identifiers [capture 5]
-		// or strings [capture 3 or capture 4]"
-		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
-		whitespace + "*\\]",
-
-	pseudos = ":(" + identifier + ")(?:\\((" +
-
-		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
-		// 1. quoted (capture 3; capture 4 or capture 5)
-		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
-
-		// 2. simple (capture 6)
-		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
-
-		// 3. anything else (capture 2)
-		".*" +
-		")\\)|)",
-
-	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
-	rwhitespace = new RegExp( whitespace + "+", "g" ),
-	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
-		whitespace + "+$", "g" ),
-
-	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
-	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
-		"*" ),
-	rdescend = new RegExp( whitespace + "|>" ),
-
-	rpseudo = new RegExp( pseudos ),
-	ridentifier = new RegExp( "^" + identifier + "$" ),
-
-	matchExpr = {
-		"ID": new RegExp( "^#(" + identifier + ")" ),
-		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
-		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
-		"ATTR": new RegExp( "^" + attributes ),
-		"PSEUDO": new RegExp( "^" + pseudos ),
-		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
-			whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
-			whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
-		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
-
-		// For use in libraries implementing .is()
-		// We use this for POS matching in `select`
-		"needsContext": new RegExp( "^" + whitespace +
-			"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
-			"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
-	},
-
-	rhtml = /HTML$/i,
-	rinputs = /^(?:input|select|textarea|button)$/i,
-	rheader = /^h\d$/i,
-
-	rnative = /^[^{]+\{\s*\[native \w/,
-
-	// Easily-parseable/retrievable ID or TAG or CLASS selectors
-	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
-
-	rsibling = /[+~]/,
-
-	// CSS escapes
-	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
-	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
-	funescape = function( escape, nonHex ) {
-		var high = "0x" + escape.slice( 1 ) - 0x10000;
-
-		return nonHex ?
-
-			// Strip the backslash prefix from a non-hex escape sequence
-			nonHex :
-
-			// Replace a hexadecimal escape sequence with the encoded Unicode code point
-			// Support: IE <=11+
-			// For values outside the Basic Multilingual Plane (BMP), manually construct a
-			// surrogate pair
-			high < 0 ?
-				String.fromCharCode( high + 0x10000 ) :
-				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
-	},
-
-	// CSS string/identifier serialization
-	// https://drafts.csswg.org/cssom/#common-serializing-idioms
-	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
-	fcssescape = function( ch, asCodePoint ) {
-		if ( asCodePoint ) {
-
-			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
-			if ( ch === "\0" ) {
-				return "\uFFFD";
-			}
-
-			// Control characters and (dependent upon position) numbers get escaped as code points
-			return ch.slice( 0, -1 ) + "\\" +
-				ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
-		}
-
-		// Other potentially-special ASCII characters get backslash-escaped
-		return "\\" + ch;
-	},
-
-	// Used for iframes
-	// See setDocument()
-	// Removing the function wrapper causes a "Permission Denied"
-	// error in IE
-	unloadHandler = function() {
-		setDocument();
-	},
-
-	inDisabledFieldset = addCombinator(
-		function( elem ) {
-			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
-		},
-		{ dir: "parentNode", next: "legend" }
-	);
-
-// Optimize for push.apply( _, NodeList )
-try {
-	push.apply(
-		( arr = slice.call( preferredDoc.childNodes ) ),
-		preferredDoc.childNodes
-	);
-
-	// Support: Android<4.0
-	// Detect silently failing push.apply
-	// eslint-disable-next-line no-unused-expressions
-	arr[ preferredDoc.childNodes.length ].nodeType;
-} catch ( e ) {
-	push = { apply: arr.length ?
-
-		// Leverage slice if possible
-		function( target, els ) {
-			pushNative.apply( target, slice.call( els ) );
-		} :
-
-		// Support: IE<9
-		// Otherwise append directly
-		function( target, els ) {
-			var j = target.length,
-				i = 0;
-
-			// Can't trust NodeList.length
-			while ( ( target[ j++ ] = els[ i++ ] ) ) {}
-			target.length = j - 1;
-		}
-	};
-}
-
-function Sizzle( selector, context, results, seed ) {
-	var m, i, elem, nid, match, groups, newSelector,
-		newContext = context && context.ownerDocument,
-
-		// nodeType defaults to 9, since context defaults to document
-		nodeType = context ? context.nodeType : 9;
-
-	results = results || [];
-
-	// Return early from calls with invalid selector or context
-	if ( typeof selector !== "string" || !selector ||
-		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
-
-		return results;
-	}
-
-	// Try to shortcut find operations (as opposed to filters) in HTML documents
-	if ( !seed ) {
-		setDocument( context );
-		context = context || document;
-
-		if ( documentIsHTML ) {
-
-			// If the selector is sufficiently simple, try using a "get*By*" DOM method
-			// (excepting DocumentFragment context, where the methods don't exist)
-			if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
-
-				// ID selector
-				if ( ( m = match[ 1 ] ) ) {
-
-					// Document context
-					if ( nodeType === 9 ) {
-						if ( ( elem = context.getElementById( m ) ) ) {
-
-							// Support: IE, Opera, Webkit
-							// TODO: identify versions
-							// getElementById can match elements by name instead of ID
-							if ( elem.id === m ) {
-								results.push( elem );
-								return results;
-							}
-						} else {
-							return results;
-						}
-
-					// Element context
-					} else {
-
-						// Support: IE, Opera, Webkit
-						// TODO: identify versions
-						// getElementById can match elements by name instead of ID
-						if ( newContext && ( elem = newContext.getElementById( m ) ) &&
-							contains( context, elem ) &&
-							elem.id === m ) {
-
-							results.push( elem );
-							return results;
-						}
-					}
-
-				// Type selector
-				} else if ( match[ 2 ] ) {
-					push.apply( results, context.getElementsByTagName( selector ) );
-					return results;
-
-				// Class selector
-				} else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
-					context.getElementsByClassName ) {
-
-					push.apply( results, context.getElementsByClassName( m ) );
-					return results;
-				}
-			}
-
-			// Take advantage of querySelectorAll
-			if ( support.qsa &&
-				!nonnativeSelectorCache[ selector + " " ] &&
-				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
-
-				// Support: IE 8 only
-				// Exclude object elements
-				( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
-
-				newSelector = selector;
-				newContext = context;
-
-				// qSA considers elements outside a scoping root when evaluating child or
-				// descendant combinators, which is not what we want.
-				// In such cases, we work around the behavior by prefixing every selector in the
-				// list with an ID selector referencing the scope context.
-				// The technique has to be used as well when a leading combinator is used
-				// as such selectors are not recognized by querySelectorAll.
-				// Thanks to Andrew Dupont for this technique.
-				if ( nodeType === 1 &&
-					( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
-
-					// Expand context for sibling selectors
-					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
-						context;
-
-					// We can use :scope instead of the ID hack if the browser
-					// supports it & if we're not changing the context.
-					if ( newContext !== context || !support.scope ) {
-
-						// Capture the context ID, setting it first if necessary
-						if ( ( nid = context.getAttribute( "id" ) ) ) {
-							nid = nid.replace( rcssescape, fcssescape );
-						} else {
-							context.setAttribute( "id", ( nid = expando ) );
-						}
-					}
-
-					// Prefix every selector in the list
-					groups = tokenize( selector );
-					i = groups.length;
-					while ( i-- ) {
-						groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
-							toSelector( groups[ i ] );
-					}
-					newSelector = groups.join( "," );
-				}
-
-				try {
-					push.apply( results,
-						newContext.querySelectorAll( newSelector )
-					);
-					return results;
-				} catch ( qsaError ) {
-					nonnativeSelectorCache( selector, true );
-				} finally {
-					if ( nid === expando ) {
-						context.removeAttribute( "id" );
-					}
-				}
-			}
-		}
-	}
-
-	// All others
-	return select( selector.replace( rtrim, "$1" ), context, results, seed );
-}
-
-/**
- * Create key-value caches of limited size
- * @returns {function(string, object)} Returns the Object data after storing it on itself with
- *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
- *	deleting the oldest entry
- */
-function createCache() {
-	var keys = [];
-
-	function cache( key, value ) {
-
-		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
-		if ( keys.push( key + " " ) > Expr.cacheLength ) {
-
-			// Only keep the most recent entries
-			delete cache[ keys.shift() ];
-		}
-		return ( cache[ key + " " ] = value );
-	}
-	return cache;
-}
-
-/**
- * Mark a function for special use by Sizzle
- * @param {Function} fn The function to mark
- */
-function markFunction( fn ) {
-	fn[ expando ] = true;
-	return fn;
-}
-
-/**
- * Support testing using an element
- * @param {Function} fn Passed the created element and returns a boolean result
- */
-function assert( fn ) {
-	var el = document.createElement( "fieldset" );
-
-	try {
-		return !!fn( el );
-	} catch ( e ) {
-		return false;
-	} finally {
-
-		// Remove from its parent by default
-		if ( el.parentNode ) {
-			el.parentNode.removeChild( el );
-		}
-
-		// release memory in IE
-		el = null;
-	}
-}
-
-/**
- * Adds the same handler for all of the specified attrs
- * @param {String} attrs Pipe-separated list of attributes
- * @param {Function} handler The method that will be applied
- */
-function addHandle( attrs, handler ) {
-	var arr = attrs.split( "|" ),
-		i = arr.length;
-
-	while ( i-- ) {
-		Expr.attrHandle[ arr[ i ] ] = handler;
-	}
-}
-
-/**
- * Checks document order of two siblings
- * @param {Element} a
- * @param {Element} b
- * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
- */
-function siblingCheck( a, b ) {
-	var cur = b && a,
-		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
-			a.sourceIndex - b.sourceIndex;
-
-	// Use IE sourceIndex if available on both nodes
-	if ( diff ) {
-		return diff;
-	}
-
-	// Check if b follows a
-	if ( cur ) {
-		while ( ( cur = cur.nextSibling ) ) {
-			if ( cur === b ) {
-				return -1;
-			}
-		}
-	}
-
-	return a ? 1 : -1;
-}
-
-/**
- * Returns a function to use in pseudos for input types
- * @param {String} type
- */
-function createInputPseudo( type ) {
-	return function( elem ) {
-		var name = elem.nodeName.toLowerCase();
-		return name === "input" && elem.type === type;
-	};
-}
-
-/**
- * Returns a function to use in pseudos for buttons
- * @param {String} type
- */
-function createButtonPseudo( type ) {
-	return function( elem ) {
-		var name = elem.nodeName.toLowerCase();
-		return ( name === "input" || name === "button" ) && elem.type === type;
-	};
-}
-
-/**
- * Returns a function to use in pseudos for :enabled/:disabled
- * @param {Boolean} disabled true for :disabled; false for :enabled
- */
-function createDisabledPseudo( disabled ) {
-
-	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
-	return function( elem ) {
-
-		// Only certain elements can match :enabled or :disabled
-		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
-		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
-		if ( "form" in elem ) {
-
-			// Check for inherited disabledness on relevant non-disabled elements:
-			// * listed form-associated elements in a disabled fieldset
-			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
-			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
-			// * option elements in a disabled optgroup
-			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
-			// All such elements have a "form" property.
-			if ( elem.parentNode && elem.disabled === false ) {
-
-				// Option elements defer to a parent optgroup if present
-				if ( "label" in elem ) {
-					if ( "label" in elem.parentNode ) {
-						return elem.parentNode.disabled === disabled;
-					} else {
-						return elem.disabled === disabled;
-					}
-				}
-
-				// Support: IE 6 - 11
-				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
-				return elem.isDisabled === disabled ||
-
-					// Where there is no isDisabled, check manually
-					/* jshint -W018 */
-					elem.isDisabled !== !disabled &&
-					inDisabledFieldset( elem ) === disabled;
-			}
-
-			return elem.disabled === disabled;
-
-		// Try to winnow out elements that can't be disabled before trusting the disabled property.
-		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
-		// even exist on them, let alone have a boolean value.
-		} else if ( "label" in elem ) {
-			return elem.disabled === disabled;
-		}
-
-		// Remaining elements are neither :enabled nor :disabled
-		return false;
-	};
-}
-
-/**
- * Returns a function to use in pseudos for positionals
- * @param {Function} fn
- */
-function createPositionalPseudo( fn ) {
-	return markFunction( function( argument ) {
-		argument = +argument;
-		return markFunction( function( seed, matches ) {
-			var j,
-				matchIndexes = fn( [], seed.length, argument ),
-				i = matchIndexes.length;
-
-			// Match elements found at the specified indexes
-			while ( i-- ) {
-				if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
-					seed[ j ] = !( matches[ j ] = seed[ j ] );
-				}
-			}
-		} );
-	} );
-}
-
-/**
- * Checks a node for validity as a Sizzle context
- * @param {Element|Object=} context
- * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
- */
-function testContext( context ) {
-	return context && typeof context.getElementsByTagName !== "undefined" && context;
-}
-
-// Expose support vars for convenience
-support = Sizzle.support = {};
-
-/**
- * Detects XML nodes
- * @param {Element|Object} elem An element or a document
- * @returns {Boolean} True iff elem is a non-HTML XML node
- */
-isXML = Sizzle.isXML = function( elem ) {
-	var namespace = elem.namespaceURI,
-		docElem = ( elem.ownerDocument || elem ).documentElement;
-
-	// Support: IE <=8
-	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
-	// https://bugs.jquery.com/ticket/4833
-	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
-};
-
-/**
- * Sets document-related variables once based on the current document
- * @param {Element|Object} [doc] An element or document object to use to set the document
- * @returns {Object} Returns the current document
- */
-setDocument = Sizzle.setDocument = function( node ) {
-	var hasCompare, subWindow,
-		doc = node ? node.ownerDocument || node : preferredDoc;
-
-	// Return early if doc is invalid or already selected
-	// Support: IE 11+, Edge 17 - 18+
-	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-	// two documents; shallow comparisons work.
-	// eslint-disable-next-line eqeqeq
-	if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
-		return document;
-	}
-
-	// Update global variables
-	document = doc;
-	docElem = document.documentElement;
-	documentIsHTML = !isXML( document );
-
-	// Support: IE 9 - 11+, Edge 12 - 18+
-	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
-	// Support: IE 11+, Edge 17 - 18+
-	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-	// two documents; shallow comparisons work.
-	// eslint-disable-next-line eqeqeq
-	if ( preferredDoc != document &&
-		( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
-
-		// Support: IE 11, Edge
-		if ( subWindow.addEventListener ) {
-			subWindow.addEventListener( "unload", unloadHandler, false );
-
-		// Support: IE 9 - 10 only
-		} else if ( subWindow.attachEvent ) {
-			subWindow.attachEvent( "onunload", unloadHandler );
-		}
-	}
-
-	// Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
-	// Safari 4 - 5 only, Opera <=11.6 - 12.x only
-	// IE/Edge & older browsers don't support the :scope pseudo-class.
-	// Support: Safari 6.0 only
-	// Safari 6.0 supports :scope but it's an alias of :root there.
-	support.scope = assert( function( el ) {
-		docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
-		return typeof el.querySelectorAll !== "undefined" &&
-			!el.querySelectorAll( ":scope fieldset div" ).length;
-	} );
-
-	/* Attributes
-	---------------------------------------------------------------------- */
-
-	// Support: IE<8
-	// Verify that getAttribute really returns attributes and not properties
-	// (excepting IE8 booleans)
-	support.attributes = assert( function( el ) {
-		el.className = "i";
-		return !el.getAttribute( "className" );
-	} );
-
-	/* getElement(s)By*
-	---------------------------------------------------------------------- */
-
-	// Check if getElementsByTagName("*") returns only elements
-	support.getElementsByTagName = assert( function( el ) {
-		el.appendChild( document.createComment( "" ) );
-		return !el.getElementsByTagName( "*" ).length;
-	} );
-
-	// Support: IE<9
-	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
-
-	// Support: IE<10
-	// Check if getElementById returns elements by name
-	// The broken getElementById methods don't pick up programmatically-set names,
-	// so use a roundabout getElementsByName test
-	support.getById = assert( function( el ) {
-		docElem.appendChild( el ).id = expando;
-		return !document.getElementsByName || !document.getElementsByName( expando ).length;
-	} );
-
-	// ID filter and find
-	if ( support.getById ) {
-		Expr.filter[ "ID" ] = function( id ) {
-			var attrId = id.replace( runescape, funescape );
-			return function( elem ) {
-				return elem.getAttribute( "id" ) === attrId;
-			};
-		};
-		Expr.find[ "ID" ] = function( id, context ) {
-			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
-				var elem = context.getElementById( id );
-				return elem ? [ elem ] : [];
-			}
-		};
-	} else {
-		Expr.filter[ "ID" ] =  function( id ) {
-			var attrId = id.replace( runescape, funescape );
-			return function( elem ) {
-				var node = typeof elem.getAttributeNode !== "undefined" &&
-					elem.getAttributeNode( "id" );
-				return node && node.value === attrId;
-			};
-		};
-
-		// Support: IE 6 - 7 only
-		// getElementById is not reliable as a find shortcut
-		Expr.find[ "ID" ] = function( id, context ) {
-			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
-				var node, i, elems,
-					elem = context.getElementById( id );
-
-				if ( elem ) {
-
-					// Verify the id attribute
-					node = elem.getAttributeNode( "id" );
-					if ( node && node.value === id ) {
-						return [ elem ];
-					}
-
-					// Fall back on getElementsByName
-					elems = context.getElementsByName( id );
-					i = 0;
-					while ( ( elem = elems[ i++ ] ) ) {
-						node = elem.getAttributeNode( "id" );
-						if ( node && node.value === id ) {
-							return [ elem ];
-						}
-					}
-				}
-
-				return [];
-			}
-		};
-	}
-
-	// Tag
-	Expr.find[ "TAG" ] = support.getElementsByTagName ?
-		function( tag, context ) {
-			if ( typeof context.getElementsByTagName !== "undefined" ) {
-				return context.getElementsByTagName( tag );
-
-			// DocumentFragment nodes don't have gEBTN
-			} else if ( support.qsa ) {
-				return context.querySelectorAll( tag );
-			}
-		} :
-
-		function( tag, context ) {
-			var elem,
-				tmp = [],
-				i = 0,
-
-				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
-				results = context.getElementsByTagName( tag );
-
-			// Filter out possible comments
-			if ( tag === "*" ) {
-				while ( ( elem = results[ i++ ] ) ) {
-					if ( elem.nodeType === 1 ) {
-						tmp.push( elem );
-					}
-				}
-
-				return tmp;
-			}
-			return results;
-		};
-
-	// Class
-	Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
-		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
-			return context.getElementsByClassName( className );
-		}
-	};
-
-	/* QSA/matchesSelector
-	---------------------------------------------------------------------- */
-
-	// QSA and matchesSelector support
-
-	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
-	rbuggyMatches = [];
-
-	// qSa(:focus) reports false when true (Chrome 21)
-	// We allow this because of a bug in IE8/9 that throws an error
-	// whenever `document.activeElement` is accessed on an iframe
-	// So, we allow :focus to pass through QSA all the time to avoid the IE error
-	// See https://bugs.jquery.com/ticket/13378
-	rbuggyQSA = [];
-
-	if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
-
-		// Build QSA regex
-		// Regex strategy adopted from Diego Perini
-		assert( function( el ) {
-
-			var input;
-
-			// Select is set to empty string on purpose
-			// This is to test IE's treatment of not explicitly
-			// setting a boolean content attribute,
-			// since its presence should be enough
-			// https://bugs.jquery.com/ticket/12359
-			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
-				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
-				"<option selected=''></option></select>";
-
-			// Support: IE8, Opera 11-12.16
-			// Nothing should be selected when empty strings follow ^= or $= or *=
-			// The test attribute must be unknown in Opera but "safe" for WinRT
-			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
-			if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
-				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
-			}
-
-			// Support: IE8
-			// Boolean attributes and "value" are not treated correctly
-			if ( !el.querySelectorAll( "[selected]" ).length ) {
-				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
-			}
-
-			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
-			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
-				rbuggyQSA.push( "~=" );
-			}
-
-			// Support: IE 11+, Edge 15 - 18+
-			// IE 11/Edge don't find elements on a `[name='']` query in some cases.
-			// Adding a temporary attribute to the document before the selection works
-			// around the issue.
-			// Interestingly, IE 10 & older don't seem to have the issue.
-			input = document.createElement( "input" );
-			input.setAttribute( "name", "" );
-			el.appendChild( input );
-			if ( !el.querySelectorAll( "[name='']" ).length ) {
-				rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
-					whitespace + "*(?:''|\"\")" );
-			}
-
-			// Webkit/Opera - :checked should return selected option elements
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
-			// IE8 throws error here and will not see later tests
-			if ( !el.querySelectorAll( ":checked" ).length ) {
-				rbuggyQSA.push( ":checked" );
-			}
-
-			// Support: Safari 8+, iOS 8+
-			// https://bugs.webkit.org/show_bug.cgi?id=136851
-			// In-page `selector#id sibling-combinator selector` fails
-			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
-				rbuggyQSA.push( ".#.+[+~]" );
-			}
-
-			// Support: Firefox <=3.6 - 5 only
-			// Old Firefox doesn't throw on a badly-escaped identifier.
-			el.querySelectorAll( "\\\f" );
-			rbuggyQSA.push( "[\\r\\n\\f]" );
-		} );
-
-		assert( function( el ) {
-			el.innerHTML = "<a href='' disabled='disabled'></a>" +
-				"<select disabled='disabled'><option/></select>";
-
-			// Support: Windows 8 Native Apps
-			// The type and name attributes are restricted during .innerHTML assignment
-			var input = document.createElement( "input" );
-			input.setAttribute( "type", "hidden" );
-			el.appendChild( input ).setAttribute( "name", "D" );
-
-			// Support: IE8
-			// Enforce case-sensitivity of name attribute
-			if ( el.querySelectorAll( "[name=d]" ).length ) {
-				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
-			}
-
-			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
-			// IE8 throws error here and will not see later tests
-			if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
-				rbuggyQSA.push( ":enabled", ":disabled" );
-			}
-
-			// Support: IE9-11+
-			// IE's :disabled selector does not pick up the children of disabled fieldsets
-			docElem.appendChild( el ).disabled = true;
-			if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
-				rbuggyQSA.push( ":enabled", ":disabled" );
-			}
-
-			// Support: Opera 10 - 11 only
-			// Opera 10-11 does not throw on post-comma invalid pseudos
-			el.querySelectorAll( "*,:x" );
-			rbuggyQSA.push( ",.*:" );
-		} );
-	}
-
-	if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
-		docElem.webkitMatchesSelector ||
-		docElem.mozMatchesSelector ||
-		docElem.oMatchesSelector ||
-		docElem.msMatchesSelector ) ) ) ) {
-
-		assert( function( el ) {
-
-			// Check to see if it's possible to do matchesSelector
-			// on a disconnected node (IE 9)
-			support.disconnectedMatch = matches.call( el, "*" );
-
-			// This should fail with an exception
-			// Gecko does not error, returns false instead
-			matches.call( el, "[s!='']:x" );
-			rbuggyMatches.push( "!=", pseudos );
-		} );
-	}
-
-	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
-	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
-
-	/* Contains
-	---------------------------------------------------------------------- */
-	hasCompare = rnative.test( docElem.compareDocumentPosition );
-
-	// Element contains another
-	// Purposefully self-exclusive
-	// As in, an element does not contain itself
-	contains = hasCompare || rnative.test( docElem.contains ) ?
-		function( a, b ) {
-			var adown = a.nodeType === 9 ? a.documentElement : a,
-				bup = b && b.parentNode;
-			return a === bup || !!( bup && bup.nodeType === 1 && (
-				adown.contains ?
-					adown.contains( bup ) :
-					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
-			) );
-		} :
-		function( a, b ) {
-			if ( b ) {
-				while ( ( b = b.parentNode ) ) {
-					if ( b === a ) {
-						return true;
-					}
-				}
-			}
-			return false;
-		};
-
-	/* Sorting
-	---------------------------------------------------------------------- */
-
-	// Document order sorting
-	sortOrder = hasCompare ?
-	function( a, b ) {
-
-		// Flag for duplicate removal
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-		}
-
-		// Sort on method existence if only one input has compareDocumentPosition
-		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
-		if ( compare ) {
-			return compare;
-		}
-
-		// Calculate position if both inputs belong to the same document
-		// Support: IE 11+, Edge 17 - 18+
-		// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-		// two documents; shallow comparisons work.
-		// eslint-disable-next-line eqeqeq
-		compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
-			a.compareDocumentPosition( b ) :
-
-			// Otherwise we know they are disconnected
-			1;
-
-		// Disconnected nodes
-		if ( compare & 1 ||
-			( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
-
-			// Choose the first element that is related to our preferred document
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			// eslint-disable-next-line eqeqeq
-			if ( a == document || a.ownerDocument == preferredDoc &&
-				contains( preferredDoc, a ) ) {
-				return -1;
-			}
-
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			// eslint-disable-next-line eqeqeq
-			if ( b == document || b.ownerDocument == preferredDoc &&
-				contains( preferredDoc, b ) ) {
-				return 1;
-			}
-
-			// Maintain original order
-			return sortInput ?
-				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
-				0;
-		}
-
-		return compare & 4 ? -1 : 1;
-	} :
-	function( a, b ) {
-
-		// Exit early if the nodes are identical
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-		}
-
-		var cur,
-			i = 0,
-			aup = a.parentNode,
-			bup = b.parentNode,
-			ap = [ a ],
-			bp = [ b ];
-
-		// Parentless nodes are either documents or disconnected
-		if ( !aup || !bup ) {
-
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			/* eslint-disable eqeqeq */
-			return a == document ? -1 :
-				b == document ? 1 :
-				/* eslint-enable eqeqeq */
-				aup ? -1 :
-				bup ? 1 :
-				sortInput ?
-				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
-				0;
-
-		// If the nodes are siblings, we can do a quick check
-		} else if ( aup === bup ) {
-			return siblingCheck( a, b );
-		}
-
-		// Otherwise we need full lists of their ancestors for comparison
-		cur = a;
-		while ( ( cur = cur.parentNode ) ) {
-			ap.unshift( cur );
-		}
-		cur = b;
-		while ( ( cur = cur.parentNode ) ) {
-			bp.unshift( cur );
-		}
-
-		// Walk down the tree looking for a discrepancy
-		while ( ap[ i ] === bp[ i ] ) {
-			i++;
-		}
-
-		return i ?
-
-			// Do a sibling check if the nodes have a common ancestor
-			siblingCheck( ap[ i ], bp[ i ] ) :
-
-			// Otherwise nodes in our document sort first
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			/* eslint-disable eqeqeq */
-			ap[ i ] == preferredDoc ? -1 :
-			bp[ i ] == preferredDoc ? 1 :
-			/* eslint-enable eqeqeq */
-			0;
-	};
-
-	return document;
-};
-
-Sizzle.matches = function( expr, elements ) {
-	return Sizzle( expr, null, null, elements );
-};
-
-Sizzle.matchesSelector = function( elem, expr ) {
-	setDocument( elem );
-
-	if ( support.matchesSelector && documentIsHTML &&
-		!nonnativeSelectorCache[ expr + " " ] &&
-		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
-		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
-
-		try {
-			var ret = matches.call( elem, expr );
-
-			// IE 9's matchesSelector returns false on disconnected nodes
-			if ( ret || support.disconnectedMatch ||
-
-				// As well, disconnected nodes are said to be in a document
-				// fragment in IE 9
-				elem.document && elem.document.nodeType !== 11 ) {
-				return ret;
-			}
-		} catch ( e ) {
-			nonnativeSelectorCache( expr, true );
-		}
-	}
-
-	return Sizzle( expr, document, null, [ elem ] ).length > 0;
-};
-
-Sizzle.contains = function( context, elem ) {
-
-	// Set document vars if needed
-	// Support: IE 11+, Edge 17 - 18+
-	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-	// two documents; shallow comparisons work.
-	// eslint-disable-next-line eqeqeq
-	if ( ( context.ownerDocument || context ) != document ) {
-		setDocument( context );
-	}
-	return contains( context, elem );
-};
-
-Sizzle.attr = function( elem, name ) {
-
-	// Set document vars if needed
-	// Support: IE 11+, Edge 17 - 18+
-	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-	// two documents; shallow comparisons work.
-	// eslint-disable-next-line eqeqeq
-	if ( ( elem.ownerDocument || elem ) != document ) {
-		setDocument( elem );
-	}
-
-	var fn = Expr.attrHandle[ name.toLowerCase() ],
-
-		// Don't get fooled by Object.prototype properties (jQuery #13807)
-		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
-			fn( elem, name, !documentIsHTML ) :
-			undefined;
-
-	return val !== undefined ?
-		val :
-		support.attributes || !documentIsHTML ?
-			elem.getAttribute( name ) :
-			( val = elem.getAttributeNode( name ) ) && val.specified ?
-				val.value :
-				null;
-};
-
-Sizzle.escape = function( sel ) {
-	return ( sel + "" ).replace( rcssescape, fcssescape );
-};
-
-Sizzle.error = function( msg ) {
-	throw new Error( "Syntax error, unrecognized expression: " + msg );
-};
-
-/**
- * Document sorting and removing duplicates
- * @param {ArrayLike} results
- */
-Sizzle.uniqueSort = function( results ) {
-	var elem,
-		duplicates = [],
-		j = 0,
-		i = 0;
-
-	// Unless we *know* we can detect duplicates, assume their presence
-	hasDuplicate = !support.detectDuplicates;
-	sortInput = !support.sortStable && results.slice( 0 );
-	results.sort( sortOrder );
-
-	if ( hasDuplicate ) {
-		while ( ( elem = results[ i++ ] ) ) {
-			if ( elem === results[ i ] ) {
-				j = duplicates.push( i );
-			}
-		}
-		while ( j-- ) {
-			results.splice( duplicates[ j ], 1 );
-		}
-	}
-
-	// Clear input after sorting to release objects
-	// See https://github.com/jquery/sizzle/pull/225
-	sortInput = null;
-
-	return results;
-};
-
-/**
- * Utility function for retrieving the text value of an array of DOM nodes
- * @param {Array|Element} elem
- */
-getText = Sizzle.getText = function( elem ) {
-	var node,
-		ret = "",
-		i = 0,
-		nodeType = elem.nodeType;
-
-	if ( !nodeType ) {
-
-		// If no nodeType, this is expected to be an array
-		while ( ( node = elem[ i++ ] ) ) {
-
-			// Do not traverse comment nodes
-			ret += getText( node );
-		}
-	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
-
-		// Use textContent for elements
-		// innerText usage removed for consistency of new lines (jQuery #11153)
-		if ( typeof elem.textContent === "string" ) {
-			return elem.textContent;
-		} else {
-
-			// Traverse its children
-			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
-				ret += getText( elem );
-			}
-		}
-	} else if ( nodeType === 3 || nodeType === 4 ) {
-		return elem.nodeValue;
-	}
-
-	// Do not include comment or processing instruction nodes
-
-	return ret;
-};
-
-Expr = Sizzle.selectors = {
-
-	// Can be adjusted by the user
-	cacheLength: 50,
-
-	createPseudo: markFunction,
-
-	match: matchExpr,
-
-	attrHandle: {},
-
-	find: {},
-
-	relative: {
-		">": { dir: "parentNode", first: true },
-		" ": { dir: "parentNode" },
-		"+": { dir: "previousSibling", first: true },
-		"~": { dir: "previousSibling" }
-	},
-
-	preFilter: {
-		"ATTR": function( match ) {
-			match[ 1 ] = match[ 1 ].replace( runescape, funescape );
-
-			// Move the given value to match[3] whether quoted or unquoted
-			match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
-				match[ 5 ] || "" ).replace( runescape, funescape );
-
-			if ( match[ 2 ] === "~=" ) {
-				match[ 3 ] = " " + match[ 3 ] + " ";
-			}
-
-			return match.slice( 0, 4 );
-		},
-
-		"CHILD": function( match ) {
-
-			/* matches from matchExpr["CHILD"]
-				1 type (only|nth|...)
-				2 what (child|of-type)
-				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
-				4 xn-component of xn+y argument ([+-]?\d*n|)
-				5 sign of xn-component
-				6 x of xn-component
-				7 sign of y-component
-				8 y of y-component
-			*/
-			match[ 1 ] = match[ 1 ].toLowerCase();
-
-			if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
-
-				// nth-* requires argument
-				if ( !match[ 3 ] ) {
-					Sizzle.error( match[ 0 ] );
-				}
-
-				// numeric x and y parameters for Expr.filter.CHILD
-				// remember that false/true cast respectively to 0/1
-				match[ 4 ] = +( match[ 4 ] ?
-					match[ 5 ] + ( match[ 6 ] || 1 ) :
-					2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
-				match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
-
-				// other types prohibit arguments
-			} else if ( match[ 3 ] ) {
-				Sizzle.error( match[ 0 ] );
-			}
-
-			return match;
-		},
-
-		"PSEUDO": function( match ) {
-			var excess,
-				unquoted = !match[ 6 ] && match[ 2 ];
-
-			if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
-				return null;
-			}
-
-			// Accept quoted arguments as-is
-			if ( match[ 3 ] ) {
-				match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
-
-			// Strip excess characters from unquoted arguments
-			} else if ( unquoted && rpseudo.test( unquoted ) &&
-
-				// Get excess from tokenize (recursively)
-				( excess = tokenize( unquoted, true ) ) &&
-
-				// advance to the next closing parenthesis
-				( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
-
-				// excess is a negative index
-				match[ 0 ] = match[ 0 ].slice( 0, excess );
-				match[ 2 ] = unquoted.slice( 0, excess );
-			}
-
-			// Return only captures needed by the pseudo filter method (type and argument)
-			return match.slice( 0, 3 );
-		}
-	},
-
-	filter: {
-
-		"TAG": function( nodeNameSelector ) {
-			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
-			return nodeNameSelector === "*" ?
-				function() {
-					return true;
-				} :
-				function( elem ) {
-					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
-				};
-		},
-
-		"CLASS": function( className ) {
-			var pattern = classCache[ className + " " ];
-
-			return pattern ||
-				( pattern = new RegExp( "(^|" + whitespace +
-					")" + className + "(" + whitespace + "|$)" ) ) && classCache(
-						className, function( elem ) {
-							return pattern.test(
-								typeof elem.className === "string" && elem.className ||
-								typeof elem.getAttribute !== "undefined" &&
-									elem.getAttribute( "class" ) ||
-								""
-							);
-				} );
-		},
-
-		"ATTR": function( name, operator, check ) {
-			return function( elem ) {
-				var result = Sizzle.attr( elem, name );
-
-				if ( result == null ) {
-					return operator === "!=";
-				}
-				if ( !operator ) {
-					return true;
-				}
-
-				result += "";
-
-				/* eslint-disable max-len */
-
-				return operator === "=" ? result === check :
-					operator === "!=" ? result !== check :
-					operator === "^=" ? check && result.indexOf( check ) === 0 :
-					operator === "*=" ? check && result.indexOf( check ) > -1 :
-					operator === "$=" ? check && result.slice( -check.length ) === check :
-					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
-					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
-					false;
-				/* eslint-enable max-len */
-
-			};
-		},
-
-		"CHILD": function( type, what, _argument, first, last ) {
-			var simple = type.slice( 0, 3 ) !== "nth",
-				forward = type.slice( -4 ) !== "last",
-				ofType = what === "of-type";
-
-			return first === 1 && last === 0 ?
-
-				// Shortcut for :nth-*(n)
-				function( elem ) {
-					return !!elem.parentNode;
-				} :
-
-				function( elem, _context, xml ) {
-					var cache, uniqueCache, outerCache, node, nodeIndex, start,
-						dir = simple !== forward ? "nextSibling" : "previousSibling",
-						parent = elem.parentNode,
-						name = ofType && elem.nodeName.toLowerCase(),
-						useCache = !xml && !ofType,
-						diff = false;
-
-					if ( parent ) {
-
-						// :(first|last|only)-(child|of-type)
-						if ( simple ) {
-							while ( dir ) {
-								node = elem;
-								while ( ( node = node[ dir ] ) ) {
-									if ( ofType ?
-										node.nodeName.toLowerCase() === name :
-										node.nodeType === 1 ) {
-
-										return false;
-									}
-								}
-
-								// Reverse direction for :only-* (if we haven't yet done so)
-								start = dir = type === "only" && !start && "nextSibling";
-							}
-							return true;
-						}
-
-						start = [ forward ? parent.firstChild : parent.lastChild ];
-
-						// non-xml :nth-child(...) stores cache data on `parent`
-						if ( forward && useCache ) {
-
-							// Seek `elem` from a previously-cached index
-
-							// ...in a gzip-friendly way
-							node = parent;
-							outerCache = node[ expando ] || ( node[ expando ] = {} );
-
-							// Support: IE <9 only
-							// Defend against cloned attroperties (jQuery gh-1709)
-							uniqueCache = outerCache[ node.uniqueID ] ||
-								( outerCache[ node.uniqueID ] = {} );
-
-							cache = uniqueCache[ type ] || [];
-							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
-							diff = nodeIndex && cache[ 2 ];
-							node = nodeIndex && parent.childNodes[ nodeIndex ];
-
-							while ( ( node = ++nodeIndex && node && node[ dir ] ||
-
-								// Fallback to seeking `elem` from the start
-								( diff = nodeIndex = 0 ) || start.pop() ) ) {
-
-								// When found, cache indexes on `parent` and break
-								if ( node.nodeType === 1 && ++diff && node === elem ) {
-									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
-									break;
-								}
-							}
-
-						} else {
-
-							// Use previously-cached element index if available
-							if ( useCache ) {
-
-								// ...in a gzip-friendly way
-								node = elem;
-								outerCache = node[ expando ] || ( node[ expando ] = {} );
-
-								// Support: IE <9 only
-								// Defend against cloned attroperties (jQuery gh-1709)
-								uniqueCache = outerCache[ node.uniqueID ] ||
-									( outerCache[ node.uniqueID ] = {} );
-
-								cache = uniqueCache[ type ] || [];
-								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
-								diff = nodeIndex;
-							}
-
-							// xml :nth-child(...)
-							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
-							if ( diff === false ) {
-
-								// Use the same loop as above to seek `elem` from the start
-								while ( ( node = ++nodeIndex && node && node[ dir ] ||
-									( diff = nodeIndex = 0 ) || start.pop() ) ) {
-
-									if ( ( ofType ?
-										node.nodeName.toLowerCase() === name :
-										node.nodeType === 1 ) &&
-										++diff ) {
-
-										// Cache the index of each encountered element
-										if ( useCache ) {
-											outerCache = node[ expando ] ||
-												( node[ expando ] = {} );
-
-											// Support: IE <9 only
-											// Defend against cloned attroperties (jQuery gh-1709)
-											uniqueCache = outerCache[ node.uniqueID ] ||
-												( outerCache[ node.uniqueID ] = {} );
-
-											uniqueCache[ type ] = [ dirruns, diff ];
-										}
-
-										if ( node === elem ) {
-											break;
-										}
-									}
-								}
-							}
-						}
-
-						// Incorporate the offset, then check against cycle size
-						diff -= last;
-						return diff === first || ( diff % first === 0 && diff / first >= 0 );
-					}
-				};
-		},
-
-		"PSEUDO": function( pseudo, argument ) {
-
-			// pseudo-class names are case-insensitive
-			// http://www.w3.org/TR/selectors/#pseudo-classes
-			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
-			// Remember that setFilters inherits from pseudos
-			var args,
-				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
-					Sizzle.error( "unsupported pseudo: " + pseudo );
-
-			// The user may use createPseudo to indicate that
-			// arguments are needed to create the filter function
-			// just as Sizzle does
-			if ( fn[ expando ] ) {
-				return fn( argument );
-			}
-
-			// But maintain support for old signatures
-			if ( fn.length > 1 ) {
-				args = [ pseudo, pseudo, "", argument ];
-				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
-					markFunction( function( seed, matches ) {
-						var idx,
-							matched = fn( seed, argument ),
-							i = matched.length;
-						while ( i-- ) {
-							idx = indexOf( seed, matched[ i ] );
-							seed[ idx ] = !( matches[ idx ] = matched[ i ] );
-						}
-					} ) :
-					function( elem ) {
-						return fn( elem, 0, args );
-					};
-			}
-
-			return fn;
-		}
-	},
-
-	pseudos: {
-
-		// Potentially complex pseudos
-		"not": markFunction( function( selector ) {
-
-			// Trim the selector passed to compile
-			// to avoid treating leading and trailing
-			// spaces as combinators
-			var input = [],
-				results = [],
-				matcher = compile( selector.replace( rtrim, "$1" ) );
-
-			return matcher[ expando ] ?
-				markFunction( function( seed, matches, _context, xml ) {
-					var elem,
-						unmatched = matcher( seed, null, xml, [] ),
-						i = seed.length;
-
-					// Match elements unmatched by `matcher`
-					while ( i-- ) {
-						if ( ( elem = unmatched[ i ] ) ) {
-							seed[ i ] = !( matches[ i ] = elem );
-						}
-					}
-				} ) :
-				function( elem, _context, xml ) {
-					input[ 0 ] = elem;
-					matcher( input, null, xml, results );
-
-					// Don't keep the element (issue #299)
-					input[ 0 ] = null;
-					return !results.pop();
-				};
-		} ),
-
-		"has": markFunction( function( selector ) {
-			return function( elem ) {
-				return Sizzle( selector, elem ).length > 0;
-			};
-		} ),
-
-		"contains": markFunction( function( text ) {
-			text = text.replace( runescape, funescape );
-			return function( elem ) {
-				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
-			};
-		} ),
-
-		// "Whether an element is represented by a :lang() selector
-		// is based solely on the element's language value
-		// being equal to the identifier C,
-		// or beginning with the identifier C immediately followed by "-".
-		// The matching of C against the element's language value is performed case-insensitively.
-		// The identifier C does not have to be a valid language name."
-		// http://www.w3.org/TR/selectors/#lang-pseudo
-		"lang": markFunction( function( lang ) {
-
-			// lang value must be a valid identifier
-			if ( !ridentifier.test( lang || "" ) ) {
-				Sizzle.error( "unsupported lang: " + lang );
-			}
-			lang = lang.replace( runescape, funescape ).toLowerCase();
-			return function( elem ) {
-				var elemLang;
-				do {
-					if ( ( elemLang = documentIsHTML ?
-						elem.lang :
-						elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
-
-						elemLang = elemLang.toLowerCase();
-						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
-					}
-				} while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
-				return false;
-			};
-		} ),
-
-		// Miscellaneous
-		"target": function( elem ) {
-			var hash = window.location && window.location.hash;
-			return hash && hash.slice( 1 ) === elem.id;
-		},
-
-		"root": function( elem ) {
-			return elem === docElem;
-		},
-
-		"focus": function( elem ) {
-			return elem === document.activeElement &&
-				( !document.hasFocus || document.hasFocus() ) &&
-				!!( elem.type || elem.href || ~elem.tabIndex );
-		},
-
-		// Boolean properties
-		"enabled": createDisabledPseudo( false ),
-		"disabled": createDisabledPseudo( true ),
-
-		"checked": function( elem ) {
-
-			// In CSS3, :checked should return both checked and selected elements
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
-			var nodeName = elem.nodeName.toLowerCase();
-			return ( nodeName === "input" && !!elem.checked ) ||
-				( nodeName === "option" && !!elem.selected );
-		},
-
-		"selected": function( elem ) {
-
-			// Accessing this property makes selected-by-default
-			// options in Safari work properly
-			if ( elem.parentNode ) {
-				// eslint-disable-next-line no-unused-expressions
-				elem.parentNode.selectedIndex;
-			}
-
-			return elem.selected === true;
-		},
-
-		// Contents
-		"empty": function( elem ) {
-
-			// http://www.w3.org/TR/selectors/#empty-pseudo
-			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
-			//   but not by others (comment: 8; processing instruction: 7; etc.)
-			// nodeType < 6 works because attributes (2) do not appear as children
-			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
-				if ( elem.nodeType < 6 ) {
-					return false;
-				}
-			}
-			return true;
-		},
-
-		"parent": function( elem ) {
-			return !Expr.pseudos[ "empty" ]( elem );
-		},
-
-		// Element/input types
-		"header": function( elem ) {
-			return rheader.test( elem.nodeName );
-		},
-
-		"input": function( elem ) {
-			return rinputs.test( elem.nodeName );
-		},
-
-		"button": function( elem ) {
-			var name = elem.nodeName.toLowerCase();
-			return name === "input" && elem.type === "button" || name === "button";
-		},
-
-		"text": function( elem ) {
-			var attr;
-			return elem.nodeName.toLowerCase() === "input" &&
-				elem.type === "text" &&
-
-				// Support: IE<8
-				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
-				( ( attr = elem.getAttribute( "type" ) ) == null ||
-					attr.toLowerCase() === "text" );
-		},
-
-		// Position-in-collection
-		"first": createPositionalPseudo( function() {
-			return [ 0 ];
-		} ),
-
-		"last": createPositionalPseudo( function( _matchIndexes, length ) {
-			return [ length - 1 ];
-		} ),
-
-		"eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
-			return [ argument < 0 ? argument + length : argument ];
-		} ),
-
-		"even": createPositionalPseudo( function( matchIndexes, length ) {
-			var i = 0;
-			for ( ; i < length; i += 2 ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		} ),
-
-		"odd": createPositionalPseudo( function( matchIndexes, length ) {
-			var i = 1;
-			for ( ; i < length; i += 2 ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		} ),
-
-		"lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
-			var i = argument < 0 ?
-				argument + length :
-				argument > length ?
-					length :
-					argument;
-			for ( ; --i >= 0; ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		} ),
-
-		"gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
-			var i = argument < 0 ? argument + length : argument;
-			for ( ; ++i < length; ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		} )
-	}
-};
-
-Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
-
-// Add button/input type pseudos
-for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
-	Expr.pseudos[ i ] = createInputPseudo( i );
-}
-for ( i in { submit: true, reset: true } ) {
-	Expr.pseudos[ i ] = createButtonPseudo( i );
-}
-
-// Easy API for creating new setFilters
-function setFilters() {}
-setFilters.prototype = Expr.filters = Expr.pseudos;
-Expr.setFilters = new setFilters();
-
-tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
-	var matched, match, tokens, type,
-		soFar, groups, preFilters,
-		cached = tokenCache[ selector + " " ];
-
-	if ( cached ) {
-		return parseOnly ? 0 : cached.slice( 0 );
-	}
-
-	soFar = selector;
-	groups = [];
-	preFilters = Expr.preFilter;
-
-	while ( soFar ) {
-
-		// Comma and first run
-		if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
-			if ( match ) {
-
-				// Don't consume trailing commas as valid
-				soFar = soFar.slice( match[ 0 ].length ) || soFar;
-			}
-			groups.push( ( tokens = [] ) );
-		}
-
-		matched = false;
-
-		// Combinators
-		if ( ( match = rcombinators.exec( soFar ) ) ) {
-			matched = match.shift();
-			tokens.push( {
-				value: matched,
-
-				// Cast descendant combinators to space
-				type: match[ 0 ].replace( rtrim, " " )
-			} );
-			soFar = soFar.slice( matched.length );
-		}
-
-		// Filters
-		for ( type in Expr.filter ) {
-			if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
-				( match = preFilters[ type ]( match ) ) ) ) {
-				matched = match.shift();
-				tokens.push( {
-					value: matched,
-					type: type,
-					matches: match
-				} );
-				soFar = soFar.slice( matched.length );
-			}
-		}
-
-		if ( !matched ) {
-			break;
-		}
-	}
-
-	// Return the length of the invalid excess
-	// if we're just parsing
-	// Otherwise, throw an error or return tokens
-	return parseOnly ?
-		soFar.length :
-		soFar ?
-			Sizzle.error( selector ) :
-
-			// Cache the tokens
-			tokenCache( selector, groups ).slice( 0 );
-};
-
-function toSelector( tokens ) {
-	var i = 0,
-		len = tokens.length,
-		selector = "";
-	for ( ; i < len; i++ ) {
-		selector += tokens[ i ].value;
-	}
-	return selector;
-}
-
-function addCombinator( matcher, combinator, base ) {
-	var dir = combinator.dir,
-		skip = combinator.next,
-		key = skip || dir,
-		checkNonElements = base && key === "parentNode",
-		doneName = done++;
-
-	return combinator.first ?
-
-		// Check against closest ancestor/preceding element
-		function( elem, context, xml ) {
-			while ( ( elem = elem[ dir ] ) ) {
-				if ( elem.nodeType === 1 || checkNonElements ) {
-					return matcher( elem, context, xml );
-				}
-			}
-			return false;
-		} :
-
-		// Check against all ancestor/preceding elements
-		function( elem, context, xml ) {
-			var oldCache, uniqueCache, outerCache,
-				newCache = [ dirruns, doneName ];
-
-			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
-			if ( xml ) {
-				while ( ( elem = elem[ dir ] ) ) {
-					if ( elem.nodeType === 1 || checkNonElements ) {
-						if ( matcher( elem, context, xml ) ) {
-							return true;
-						}
-					}
-				}
-			} else {
-				while ( ( elem = elem[ dir ] ) ) {
-					if ( elem.nodeType === 1 || checkNonElements ) {
-						outerCache = elem[ expando ] || ( elem[ expando ] = {} );
-
-						// Support: IE <9 only
-						// Defend against cloned attroperties (jQuery gh-1709)
-						uniqueCache = outerCache[ elem.uniqueID ] ||
-							( outerCache[ elem.uniqueID ] = {} );
-
-						if ( skip && skip === elem.nodeName.toLowerCase() ) {
-							elem = elem[ dir ] || elem;
-						} else if ( ( oldCache = uniqueCache[ key ] ) &&
-							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
-
-							// Assign to newCache so results back-propagate to previous elements
-							return ( newCache[ 2 ] = oldCache[ 2 ] );
-						} else {
-
-							// Reuse newcache so results back-propagate to previous elements
-							uniqueCache[ key ] = newCache;
-
-							// A match means we're done; a fail means we have to keep checking
-							if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
-								return true;
-							}
-						}
-					}
-				}
-			}
-			return false;
-		};
-}
-
-function elementMatcher( matchers ) {
-	return matchers.length > 1 ?
-		function( elem, context, xml ) {
-			var i = matchers.length;
-			while ( i-- ) {
-				if ( !matchers[ i ]( elem, context, xml ) ) {
-					return false;
-				}
-			}
-			return true;
-		} :
-		matchers[ 0 ];
-}
-
-function multipleContexts( selector, contexts, results ) {
-	var i = 0,
-		len = contexts.length;
-	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[ i ], results );
-	}
-	return results;
-}
-
-function condense( unmatched, map, filter, context, xml ) {
-	var elem,
-		newUnmatched = [],
-		i = 0,
-		len = unmatched.length,
-		mapped = map != null;
-
-	for ( ; i < len; i++ ) {
-		if ( ( elem = unmatched[ i ] ) ) {
-			if ( !filter || filter( elem, context, xml ) ) {
-				newUnmatched.push( elem );
-				if ( mapped ) {
-					map.push( i );
-				}
-			}
-		}
-	}
-
-	return newUnmatched;
-}
-
-function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
-	if ( postFilter && !postFilter[ expando ] ) {
-		postFilter = setMatcher( postFilter );
-	}
-	if ( postFinder && !postFinder[ expando ] ) {
-		postFinder = setMatcher( postFinder, postSelector );
-	}
-	return markFunction( function( seed, results, context, xml ) {
-		var temp, i, elem,
-			preMap = [],
-			postMap = [],
-			preexisting = results.length,
-
-			// Get initial elements from seed or context
-			elems = seed || multipleContexts(
-				selector || "*",
-				context.nodeType ? [ context ] : context,
-				[]
-			),
-
-			// Prefilter to get matcher input, preserving a map for seed-results synchronization
-			matcherIn = preFilter && ( seed || !selector ) ?
-				condense( elems, preMap, preFilter, context, xml ) :
-				elems,
-
-			matcherOut = matcher ?
-
-				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
-				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
-
-					// ...intermediate processing is necessary
-					[] :
-
-					// ...otherwise use results directly
-					results :
-				matcherIn;
-
-		// Find primary matches
-		if ( matcher ) {
-			matcher( matcherIn, matcherOut, context, xml );
-		}
-
-		// Apply postFilter
-		if ( postFilter ) {
-			temp = condense( matcherOut, postMap );
-			postFilter( temp, [], context, xml );
-
-			// Un-match failing elements by moving them back to matcherIn
-			i = temp.length;
-			while ( i-- ) {
-				if ( ( elem = temp[ i ] ) ) {
-					matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
-				}
-			}
-		}
-
-		if ( seed ) {
-			if ( postFinder || preFilter ) {
-				if ( postFinder ) {
-
-					// Get the final matcherOut by condensing this intermediate into postFinder contexts
-					temp = [];
-					i = matcherOut.length;
-					while ( i-- ) {
-						if ( ( elem = matcherOut[ i ] ) ) {
-
-							// Restore matcherIn since elem is not yet a final match
-							temp.push( ( matcherIn[ i ] = elem ) );
-						}
-					}
-					postFinder( null, ( matcherOut = [] ), temp, xml );
-				}
-
-				// Move matched elements from seed to results to keep them synchronized
-				i = matcherOut.length;
-				while ( i-- ) {
-					if ( ( elem = matcherOut[ i ] ) &&
-						( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
-
-						seed[ temp ] = !( results[ temp ] = elem );
-					}
-				}
-			}
-
-		// Add elements to results, through postFinder if defined
-		} else {
-			matcherOut = condense(
-				matcherOut === results ?
-					matcherOut.splice( preexisting, matcherOut.length ) :
-					matcherOut
-			);
-			if ( postFinder ) {
-				postFinder( null, results, matcherOut, xml );
-			} else {
-				push.apply( results, matcherOut );
-			}
-		}
-	} );
-}
-
-function matcherFromTokens( tokens ) {
-	var checkContext, matcher, j,
-		len = tokens.length,
-		leadingRelative = Expr.relative[ tokens[ 0 ].type ],
-		implicitRelative = leadingRelative || Expr.relative[ " " ],
-		i = leadingRelative ? 1 : 0,
-
-		// The foundational matcher ensures that elements are reachable from top-level context(s)
-		matchContext = addCombinator( function( elem ) {
-			return elem === checkContext;
-		}, implicitRelative, true ),
-		matchAnyContext = addCombinator( function( elem ) {
-			return indexOf( checkContext, elem ) > -1;
-		}, implicitRelative, true ),
-		matchers = [ function( elem, context, xml ) {
-			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
-				( checkContext = context ).nodeType ?
-					matchContext( elem, context, xml ) :
-					matchAnyContext( elem, context, xml ) );
-
-			// Avoid hanging onto element (issue #299)
-			checkContext = null;
-			return ret;
-		} ];
-
-	for ( ; i < len; i++ ) {
-		if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
-			matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
-		} else {
-			matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
-
-			// Return special upon seeing a positional matcher
-			if ( matcher[ expando ] ) {
-
-				// Find the next relative operator (if any) for proper handling
-				j = ++i;
-				for ( ; j < len; j++ ) {
-					if ( Expr.relative[ tokens[ j ].type ] ) {
-						break;
-					}
-				}
-				return setMatcher(
-					i > 1 && elementMatcher( matchers ),
-					i > 1 && toSelector(
-
-					// If the preceding token was a descendant combinator, insert an implicit any-element `*`
-					tokens
-						.slice( 0, i - 1 )
-						.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
-					).replace( rtrim, "$1" ),
-					matcher,
-					i < j && matcherFromTokens( tokens.slice( i, j ) ),
-					j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
-					j < len && toSelector( tokens )
-				);
-			}
-			matchers.push( matcher );
-		}
-	}
-
-	return elementMatcher( matchers );
-}
-
-function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
-	var bySet = setMatchers.length > 0,
-		byElement = elementMatchers.length > 0,
-		superMatcher = function( seed, context, xml, results, outermost ) {
-			var elem, j, matcher,
-				matchedCount = 0,
-				i = "0",
-				unmatched = seed && [],
-				setMatched = [],
-				contextBackup = outermostContext,
-
-				// We must always have either seed elements or outermost context
-				elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
-
-				// Use integer dirruns iff this is the outermost matcher
-				dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
-				len = elems.length;
-
-			if ( outermost ) {
-
-				// Support: IE 11+, Edge 17 - 18+
-				// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-				// two documents; shallow comparisons work.
-				// eslint-disable-next-line eqeqeq
-				outermostContext = context == document || context || outermost;
-			}
-
-			// Add elements passing elementMatchers directly to results
-			// Support: IE<9, Safari
-			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
-			for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
-				if ( byElement && elem ) {
-					j = 0;
-
-					// Support: IE 11+, Edge 17 - 18+
-					// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-					// two documents; shallow comparisons work.
-					// eslint-disable-next-line eqeqeq
-					if ( !context && elem.ownerDocument != document ) {
-						setDocument( elem );
-						xml = !documentIsHTML;
-					}
-					while ( ( matcher = elementMatchers[ j++ ] ) ) {
-						if ( matcher( elem, context || document, xml ) ) {
-							results.push( elem );
-							break;
-						}
-					}
-					if ( outermost ) {
-						dirruns = dirrunsUnique;
-					}
-				}
-
-				// Track unmatched elements for set filters
-				if ( bySet ) {
-
-					// They will have gone through all possible matchers
-					if ( ( elem = !matcher && elem ) ) {
-						matchedCount--;
-					}
-
-					// Lengthen the array for every element, matched or not
-					if ( seed ) {
-						unmatched.push( elem );
-					}
-				}
-			}
-
-			// `i` is now the count of elements visited above, and adding it to `matchedCount`
-			// makes the latter nonnegative.
-			matchedCount += i;
-
-			// Apply set filters to unmatched elements
-			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
-			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
-			// no element matchers and no seed.
-			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
-			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
-			// numerically zero.
-			if ( bySet && i !== matchedCount ) {
-				j = 0;
-				while ( ( matcher = setMatchers[ j++ ] ) ) {
-					matcher( unmatched, setMatched, context, xml );
-				}
-
-				if ( seed ) {
-
-					// Reintegrate element matches to eliminate the need for sorting
-					if ( matchedCount > 0 ) {
-						while ( i-- ) {
-							if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
-								setMatched[ i ] = pop.call( results );
-							}
-						}
-					}
-
-					// Discard index placeholder values to get only actual matches
-					setMatched = condense( setMatched );
-				}
-
-				// Add matches to results
-				push.apply( results, setMatched );
-
-				// Seedless set matches succeeding multiple successful matchers stipulate sorting
-				if ( outermost && !seed && setMatched.length > 0 &&
-					( matchedCount + setMatchers.length ) > 1 ) {
-
-					Sizzle.uniqueSort( results );
-				}
-			}
-
-			// Override manipulation of globals by nested matchers
-			if ( outermost ) {
-				dirruns = dirrunsUnique;
-				outermostContext = contextBackup;
-			}
-
-			return unmatched;
-		};
-
-	return bySet ?
-		markFunction( superMatcher ) :
-		superMatcher;
-}
-
-compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
-	var i,
-		setMatchers = [],
-		elementMatchers = [],
-		cached = compilerCache[ selector + " " ];
-
-	if ( !cached ) {
-
-		// Generate a function of recursive functions that can be used to check each element
-		if ( !match ) {
-			match = tokenize( selector );
-		}
-		i = match.length;
-		while ( i-- ) {
-			cached = matcherFromTokens( match[ i ] );
-			if ( cached[ expando ] ) {
-				setMatchers.push( cached );
-			} else {
-				elementMatchers.push( cached );
-			}
-		}
-
-		// Cache the compiled function
-		cached = compilerCache(
-			selector,
-			matcherFromGroupMatchers( elementMatchers, setMatchers )
-		);
-
-		// Save selector and tokenization
-		cached.selector = selector;
-	}
-	return cached;
-};
-
-/**
- * A low-level selection function that works with Sizzle's compiled
- *  selector functions
- * @param {String|Function} selector A selector or a pre-compiled
- *  selector function built with Sizzle.compile
- * @param {Element} context
- * @param {Array} [results]
- * @param {Array} [seed] A set of elements to match against
- */
-select = Sizzle.select = function( selector, context, results, seed ) {
-	var i, tokens, token, type, find,
-		compiled = typeof selector === "function" && selector,
-		match = !seed && tokenize( ( selector = compiled.selector || selector ) );
-
-	results = results || [];
-
-	// Try to minimize operations if there is only one selector in the list and no seed
-	// (the latter of which guarantees us context)
-	if ( match.length === 1 ) {
-
-		// Reduce context if the leading compound selector is an ID
-		tokens = match[ 0 ] = match[ 0 ].slice( 0 );
-		if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
-			context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
-
-			context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
-				.replace( runescape, funescape ), context ) || [] )[ 0 ];
-			if ( !context ) {
-				return results;
-
-			// Precompiled matchers will still verify ancestry, so step up a level
-			} else if ( compiled ) {
-				context = context.parentNode;
-			}
-
-			selector = selector.slice( tokens.shift().value.length );
-		}
-
-		// Fetch a seed set for right-to-left matching
-		i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
-		while ( i-- ) {
-			token = tokens[ i ];
-
-			// Abort if we hit a combinator
-			if ( Expr.relative[ ( type = token.type ) ] ) {
-				break;
-			}
-			if ( ( find = Expr.find[ type ] ) ) {
-
-				// Search, expanding context for leading sibling combinators
-				if ( ( seed = find(
-					token.matches[ 0 ].replace( runescape, funescape ),
-					rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
-						context
-				) ) ) {
-
-					// If seed is empty or no tokens remain, we can return early
-					tokens.splice( i, 1 );
-					selector = seed.length && toSelector( tokens );
-					if ( !selector ) {
-						push.apply( results, seed );
-						return results;
-					}
-
-					break;
-				}
-			}
-		}
-	}
-
-	// Compile and execute a filtering function if one is not provided
-	// Provide `match` to avoid retokenization if we modified the selector above
-	( compiled || compile( selector, match ) )(
-		seed,
-		context,
-		!documentIsHTML,
-		results,
-		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
-	);
-	return results;
-};
-
-// One-time assignments
-
-// Sort stability
-support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
-
-// Support: Chrome 14-35+
-// Always assume duplicates if they aren't passed to the comparison function
-support.detectDuplicates = !!hasDuplicate;
-
-// Initialize against the default document
-setDocument();
-
-// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
-// Detached nodes confoundingly follow *each other*
-support.sortDetached = assert( function( el ) {
-
-	// Should return 1, but returns 4 (following)
-	return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
-} );
-
-// Support: IE<8
-// Prevent attribute/property "interpolation"
-// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !assert( function( el ) {
-	el.innerHTML = "<a href='#'></a>";
-	return el.firstChild.getAttribute( "href" ) === "#";
-} ) ) {
-	addHandle( "type|href|height|width", function( elem, name, isXML ) {
-		if ( !isXML ) {
-			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
-		}
-	} );
-}
-
-// Support: IE<9
-// Use defaultValue in place of getAttribute("value")
-if ( !support.attributes || !assert( function( el ) {
-	el.innerHTML = "<input/>";
-	el.firstChild.setAttribute( "value", "" );
-	return el.firstChild.getAttribute( "value" ) === "";
-} ) ) {
-	addHandle( "value", function( elem, _name, isXML ) {
-		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
-			return elem.defaultValue;
-		}
-	} );
-}
-
-// Support: IE<9
-// Use getAttributeNode to fetch booleans when getAttribute lies
-if ( !assert( function( el ) {
-	return el.getAttribute( "disabled" ) == null;
-} ) ) {
-	addHandle( booleans, function( elem, name, isXML ) {
-		var val;
-		if ( !isXML ) {
-			return elem[ name ] === true ? name.toLowerCase() :
-				( val = elem.getAttributeNode( name ) ) && val.specified ?
-					val.value :
-					null;
-		}
-	} );
-}
-
-return Sizzle;
-
-} )( window );
-
-
-
-jQuery.find = Sizzle;
-jQuery.expr = Sizzle.selectors;
-
-// Deprecated
-jQuery.expr[ ":" ] = jQuery.expr.pseudos;
-jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
-jQuery.text = Sizzle.getText;
-jQuery.isXMLDoc = Sizzle.isXML;
-jQuery.contains = Sizzle.contains;
-jQuery.escapeSelector = Sizzle.escape;
-
-
-
-
-var dir = function( elem, dir, until ) {
-	var matched = [],
-		truncate = until !== undefined;
-
-	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
-		if ( elem.nodeType === 1 ) {
-			if ( truncate && jQuery( elem ).is( until ) ) {
-				break;
-			}
-			matched.push( elem );
-		}
-	}
-	return matched;
-};
-
-
-var siblings = function( n, elem ) {
-	var matched = [];
-
-	for ( ; n; n = n.nextSibling ) {
-		if ( n.nodeType === 1 && n !== elem ) {
-			matched.push( n );
-		}
-	}
-
-	return matched;
-};
-
-
-var rneedsContext = jQuery.expr.match.needsContext;
-
-
-
-function nodeName( elem, name ) {
-
-  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
-
-};
-var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
-
-
-
-// Implement the identical functionality for filter and not
-function winnow( elements, qualifier, not ) {
-	if ( isFunction( qualifier ) ) {
-		return jQuery.grep( elements, function( elem, i ) {
-			return !!qualifier.call( elem, i, elem ) !== not;
-		} );
-	}
-
-	// Single element
-	if ( qualifier.nodeType ) {
-		return jQuery.grep( elements, function( elem ) {
-			return ( elem === qualifier ) !== not;
-		} );
-	}
-
-	// Arraylike of elements (jQuery, arguments, Array)
-	if ( typeof qualifier !== "string" ) {
-		return jQuery.grep( elements, function( elem ) {
-			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
-		} );
-	}
-
-	// Filtered directly for both simple and complex selectors
-	return jQuery.filter( qualifier, elements, not );
-}
-
-jQuery.filter = function( expr, elems, not ) {
-	var elem = elems[ 0 ];
-
-	if ( not ) {
-		expr = ":not(" + expr + ")";
-	}
-
-	if ( elems.length === 1 && elem.nodeType === 1 ) {
-		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
-	}
-
-	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
-		return elem.nodeType === 1;
-	} ) );
-};
-
-jQuery.fn.extend( {
-	find: function( selector ) {
-		var i, ret,
-			len = this.length,
-			self = this;
-
-		if ( typeof selector !== "string" ) {
-			return this.pushStack( jQuery( selector ).filter( function() {
-				for ( i = 0; i < len; i++ ) {
-					if ( jQuery.contains( self[ i ], this ) ) {
-						return true;
-					}
-				}
-			} ) );
-		}
-
-		ret = this.pushStack( [] );
-
-		for ( i = 0; i < len; i++ ) {
-			jQuery.find( selector, self[ i ], ret );
-		}
-
-		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
-	},
-	filter: function( selector ) {
-		return this.pushStack( winnow( this, selector || [], false ) );
-	},
-	not: function( selector ) {
-		return this.pushStack( winnow( this, selector || [], true ) );
-	},
-	is: function( selector ) {
-		return !!winnow(
-			this,
-
-			// If this is a positional/relative selector, check membership in the returned set
-			// so $("p:first").is("p:last") won't return true for a doc with two "p".
-			typeof selector === "string" && rneedsContext.test( selector ) ?
-				jQuery( selector ) :
-				selector || [],
-			false
-		).length;
-	}
-} );
-
-
-// Initialize a jQuery object
-
-
-// A central reference to the root jQuery(document)
-var rootjQuery,
-
-	// A simple way to check for HTML strings
-	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-	// Strict HTML recognition (#11290: must start with <)
-	// Shortcut simple #id case for speed
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
-
-	init = jQuery.fn.init = function( selector, context, root ) {
-		var match, elem;
-
-		// HANDLE: $(""), $(null), $(undefined), $(false)
-		if ( !selector ) {
-			return this;
-		}
-
-		// Method init() accepts an alternate rootjQuery
-		// so migrate can support jQuery.sub (gh-2101)
-		root = root || rootjQuery;
-
-		// Handle HTML strings
-		if ( typeof selector === "string" ) {
-			if ( selector[ 0 ] === "<" &&
-				selector[ selector.length - 1 ] === ">" &&
-				selector.length >= 3 ) {
-
-				// Assume that strings that start and end with <> are HTML and skip the regex check
-				match = [ null, selector, null ];
-
-			} else {
-				match = rquickExpr.exec( selector );
-			}
-
-			// Match html or make sure no context is specified for #id
-			if ( match && ( match[ 1 ] || !context ) ) {
-
-				// HANDLE: $(html) -> $(array)
-				if ( match[ 1 ] ) {
-					context = context instanceof jQuery ? context[ 0 ] : context;
-
-					// Option to run scripts is true for back-compat
-					// Intentionally let the error be thrown if parseHTML is not present
-					jQuery.merge( this, jQuery.parseHTML(
-						match[ 1 ],
-						context && context.nodeType ? context.ownerDocument || context : document,
-						true
-					) );
-
-					// HANDLE: $(html, props)
-					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
-						for ( match in context ) {
-
-							// Properties of context are called as methods if possible
-							if ( isFunction( this[ match ] ) ) {
-								this[ match ]( context[ match ] );
-
-							// ...and otherwise set as attributes
-							} else {
-								this.attr( match, context[ match ] );
-							}
-						}
-					}
-
-					return this;
-
-				// HANDLE: $(#id)
-				} else {
-					elem = document.getElementById( match[ 2 ] );
-
-					if ( elem ) {
-
-						// Inject the element directly into the jQuery object
-						this[ 0 ] = elem;
-						this.length = 1;
-					}
-					return this;
-				}
-
-			// HANDLE: $(expr, $(...))
-			} else if ( !context || context.jquery ) {
-				return ( context || root ).find( selector );
-
-			// HANDLE: $(expr, context)
-			// (which is just equivalent to: $(context).find(expr)
-			} else {
-				return this.constructor( context ).find( selector );
-			}
-
-		// HANDLE: $(DOMElement)
-		} else if ( selector.nodeType ) {
-			this[ 0 ] = selector;
-			this.length = 1;
-			return this;
-
-		// HANDLE: $(function)
-		// Shortcut for document ready
-		} else if ( isFunction( selector ) ) {
-			return root.ready !== undefined ?
-				root.ready( selector ) :
-
-				// Execute immediately if ready is not present
-				selector( jQuery );
-		}
-
-		return jQuery.makeArray( selector, this );
-	};
-
-// Give the init function the jQuery prototype for later instantiation
-init.prototype = jQuery.fn;
-
-// Initialize central reference
-rootjQuery = jQuery( document );
-
-
-var rparentsprev = /^(?:parents|prev(?:Until|All))/,
-
-	// Methods guaranteed to produce a unique set when starting from a unique set
-	guaranteedUnique = {
-		children: true,
-		contents: true,
-		next: true,
-		prev: true
-	};
-
-jQuery.fn.extend( {
-	has: function( target ) {
-		var targets = jQuery( target, this ),
-			l = targets.length;
-
-		return this.filter( function() {
-			var i = 0;
-			for ( ; i < l; i++ ) {
-				if ( jQuery.contains( this, targets[ i ] ) ) {
-					return true;
-				}
-			}
-		} );
-	},
-
-	closest: function( selectors, context ) {
-		var cur,
-			i = 0,
-			l = this.length,
-			matched = [],
-			targets = typeof selectors !== "string" && jQuery( selectors );
-
-		// Positional selectors never match, since there's no _selection_ context
-		if ( !rneedsContext.test( selectors ) ) {
-			for ( ; i < l; i++ ) {
-				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
-
-					// Always skip document fragments
-					if ( cur.nodeType < 11 && ( targets ?
-						targets.index( cur ) > -1 :
-
-						// Don't pass non-elements to Sizzle
-						cur.nodeType === 1 &&
-							jQuery.find.matchesSelector( cur, selectors ) ) ) {
-
-						matched.push( cur );
-						break;
-					}
-				}
-			}
-		}
-
-		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
-	},
-
-	// Determine the position of an element within the set
-	index: function( elem ) {
-
-		// No argument, return index in parent
-		if ( !elem ) {
-			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
-		}
-
-		// Index in selector
-		if ( typeof elem === "string" ) {
-			return indexOf.call( jQuery( elem ), this[ 0 ] );
-		}
-
-		// Locate the position of the desired element
-		return indexOf.call( this,
-
-			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[ 0 ] : elem
-		);
-	},
-
-	add: function( selector, context ) {
-		return this.pushStack(
-			jQuery.uniqueSort(
-				jQuery.merge( this.get(), jQuery( selector, context ) )
-			)
-		);
-	},
-
-	addBack: function( selector ) {
-		return this.add( selector == null ?
-			this.prevObject : this.prevObject.filter( selector )
-		);
-	}
-} );
-
-function sibling( cur, dir ) {
-	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
-	return cur;
-}
-
-jQuery.each( {
-	parent: function( elem ) {
-		var parent = elem.parentNode;
-		return parent && parent.nodeType !== 11 ? parent : null;
-	},
-	parents: function( elem ) {
-		return dir( elem, "parentNode" );
-	},
-	parentsUntil: function( elem, _i, until ) {
-		return dir( elem, "parentNode", until );
-	},
-	next: function( elem ) {
-		return sibling( elem, "nextSibling" );
-	},
-	prev: function( elem ) {
-		return sibling( elem, "previousSibling" );
-	},
-	nextAll: function( elem ) {
-		return dir( elem, "nextSibling" );
-	},
-	prevAll: function( elem ) {
-		return dir( elem, "previousSibling" );
-	},
-	nextUntil: function( elem, _i, until ) {
-		return dir( elem, "nextSibling", until );
-	},
-	prevUntil: function( elem, _i, until ) {
-		return dir( elem, "previousSibling", until );
-	},
-	siblings: function( elem ) {
-		return siblings( ( elem.parentNode || {} ).firstChild, elem );
-	},
-	children: function( elem ) {
-		return siblings( elem.firstChild );
-	},
-	contents: function( elem ) {
-		if ( elem.contentDocument != null &&
-
-			// Support: IE 11+
-			// <object> elements with no `data` attribute has an object
-			// `contentDocument` with a `null` prototype.
-			getProto( elem.contentDocument ) ) {
-
-			return elem.contentDocument;
-		}
-
-		// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
-		// Treat the template element as a regular one in browsers that
-		// don't support it.
-		if ( nodeName( elem, "template" ) ) {
-			elem = elem.content || elem;
-		}
-
-		return jQuery.merge( [], elem.childNodes );
-	}
-}, function( name, fn ) {
-	jQuery.fn[ name ] = function( until, selector ) {
-		var matched = jQuery.map( this, fn, until );
-
-		if ( name.slice( -5 ) !== "Until" ) {
-			selector = until;
-		}
-
-		if ( selector && typeof selector === "string" ) {
-			matched = jQuery.filter( selector, matched );
-		}
-
-		if ( this.length > 1 ) {
-
-			// Remove duplicates
-			if ( !guaranteedUnique[ name ] ) {
-				jQuery.uniqueSort( matched );
-			}
-
-			// Reverse order for parents* and prev-derivatives
-			if ( rparentsprev.test( name ) ) {
-				matched.reverse();
-			}
-		}
-
-		return this.pushStack( matched );
-	};
-} );
-var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
-
-
-
-// Convert String-formatted options into Object-formatted ones
-function createOptions( options ) {
-	var object = {};
-	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
-		object[ flag ] = true;
-	} );
-	return object;
-}
-
-/*
- * Create a callback list using the following parameters:
- *
- *	options: an optional list of space-separated options that will change how
- *			the callback list behaves or a more traditional option object
- *
- * By default a callback list will act like an event callback list and can be
- * "fired" multiple times.
- *
- * Possible options:
- *
- *	once:			will ensure the callback list can only be fired once (like a Deferred)
- *
- *	memory:			will keep track of previous values and will call any callback added
- *					after the list has been fired right away with the latest "memorized"
- *					values (like a Deferred)
- *
- *	unique:			will ensure a callback can only be added once (no duplicate in the list)
- *
- *	stopOnFalse:	interrupt callings when a callback returns false
- *
- */
-jQuery.Callbacks = function( options ) {
-
-	// Convert options from String-formatted to Object-formatted if needed
-	// (we check in cache first)
-	options = typeof options === "string" ?
-		createOptions( options ) :
-		jQuery.extend( {}, options );
-
-	var // Flag to know if list is currently firing
-		firing,
-
-		// Last fire value for non-forgettable lists
-		memory,
-
-		// Flag to know if list was already fired
-		fired,
-
-		// Flag to prevent firing
-		locked,
-
-		// Actual callback list
-		list = [],
-
-		// Queue of execution data for repeatable lists
-		queue = [],
-
-		// Index of currently firing callback (modified by add/remove as needed)
-		firingIndex = -1,
-
-		// Fire callbacks
-		fire = function() {
-
-			// Enforce single-firing
-			locked = locked || options.once;
-
-			// Execute callbacks for all pending executions,
-			// respecting firingIndex overrides and runtime changes
-			fired = firing = true;
-			for ( ; queue.length; firingIndex = -1 ) {
-				memory = queue.shift();
-				while ( ++firingIndex < list.length ) {
-
-					// Run callback and check for early termination
-					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
-						options.stopOnFalse ) {
-
-						// Jump to end and forget the data so .add doesn't re-fire
-						firingIndex = list.length;
-						memory = false;
-					}
-				}
-			}
-
-			// Forget the data if we're done with it
-			if ( !options.memory ) {
-				memory = false;
-			}
-
-			firing = false;
-
-			// Clean up if we're done firing for good
-			if ( locked ) {
-
-				// Keep an empty list if we have data for future add calls
-				if ( memory ) {
-					list = [];
-
-				// Otherwise, this object is spent
-				} else {
-					list = "";
-				}
-			}
-		},
-
-		// Actual Callbacks object
-		self = {
-
-			// Add a callback or a collection of callbacks to the list
-			add: function() {
-				if ( list ) {
-
-					// If we have memory from a past run, we should fire after adding
-					if ( memory && !firing ) {
-						firingIndex = list.length - 1;
-						queue.push( memory );
-					}
-
-					( function add( args ) {
-						jQuery.each( args, function( _, arg ) {
-							if ( isFunction( arg ) ) {
-								if ( !options.unique || !self.has( arg ) ) {
-									list.push( arg );
-								}
-							} else if ( arg && arg.length && toType( arg ) !== "string" ) {
-
-								// Inspect recursively
-								add( arg );
-							}
-						} );
-					} )( arguments );
-
-					if ( memory && !firing ) {
-						fire();
-					}
-				}
-				return this;
-			},
-
-			// Remove a callback from the list
-			remove: function() {
-				jQuery.each( arguments, function( _, arg ) {
-					var index;
-					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
-						list.splice( index, 1 );
-
-						// Handle firing indexes
-						if ( index <= firingIndex ) {
-							firingIndex--;
-						}
-					}
-				} );
-				return this;
-			},
-
-			// Check if a given callback is in the list.
-			// If no argument is given, return whether or not list has callbacks attached.
-			has: function( fn ) {
-				return fn ?
-					jQuery.inArray( fn, list ) > -1 :
-					list.length > 0;
-			},
-
-			// Remove all callbacks from the list
-			empty: function() {
-				if ( list ) {
-					list = [];
-				}
-				return this;
-			},
-
-			// Disable .fire and .add
-			// Abort any current/pending executions
-			// Clear all callbacks and values
-			disable: function() {
-				locked = queue = [];
-				list = memory = "";
-				return this;
-			},
-			disabled: function() {
-				return !list;
-			},
-
-			// Disable .fire
-			// Also disable .add unless we have memory (since it would have no effect)
-			// Abort any pending executions
-			lock: function() {
-				locked = queue = [];
-				if ( !memory && !firing ) {
-					list = memory = "";
-				}
-				return this;
-			},
-			locked: function() {
-				return !!locked;
-			},
-
-			// Call all callbacks with the given context and arguments
-			fireWith: function( context, args ) {
-				if ( !locked ) {
-					args = args || [];
-					args = [ context, args.slice ? args.slice() : args ];
-					queue.push( args );
-					if ( !firing ) {
-						fire();
-					}
-				}
-				return this;
-			},
-
-			// Call all the callbacks with the given arguments
-			fire: function() {
-				self.fireWith( this, arguments );
-				return this;
-			},
-
-			// To know if the callbacks have already been called at least once
-			fired: function() {
-				return !!fired;
-			}
-		};
-
-	return self;
-};
-
-
-function Identity( v ) {
-	return v;
-}
-function Thrower( ex ) {
-	throw ex;
-}
-
-function adoptValue( value, resolve, reject, noValue ) {
-	var method;
-
-	try {
-
-		// Check for promise aspect first to privilege synchronous behavior
-		if ( value && isFunction( ( method = value.promise ) ) ) {
-			method.call( value ).done( resolve ).fail( reject );
-
-		// Other thenables
-		} else if ( value && isFunction( ( method = value.then ) ) ) {
-			method.call( value, resolve, reject );
-
-		// Other non-thenables
-		} else {
-
-			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
-			// * false: [ value ].slice( 0 ) => resolve( value )
-			// * true: [ value ].slice( 1 ) => resolve()
-			resolve.apply( undefined, [ value ].slice( noValue ) );
-		}
-
-	// For Promises/A+, convert exceptions into rejections
-	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
-	// Deferred#then to conditionally suppress rejection.
-	} catch ( value ) {
-
-		// Support: Android 4.0 only
-		// Strict mode functions invoked without .call/.apply get global-object context
-		reject.apply( undefined, [ value ] );
-	}
-}
-
-jQuery.extend( {
-
-	Deferred: function( func ) {
-		var tuples = [
-
-				// action, add listener, callbacks,
-				// ... .then handlers, argument index, [final state]
-				[ "notify", "progress", jQuery.Callbacks( "memory" ),
-					jQuery.Callbacks( "memory" ), 2 ],
-				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
-					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
-				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
-					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
-			],
-			state = "pending",
-			promise = {
-				state: function() {
-					return state;
-				},
-				always: function() {
-					deferred.done( arguments ).fail( arguments );
-					return this;
-				},
-				"catch": function( fn ) {
-					return promise.then( null, fn );
-				},
-
-				// Keep pipe for back-compat
-				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
-					var fns = arguments;
-
-					return jQuery.Deferred( function( newDefer ) {
-						jQuery.each( tuples, function( _i, tuple ) {
-
-							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
-							var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
-
-							// deferred.progress(function() { bind to newDefer or newDefer.notify })
-							// deferred.done(function() { bind to newDefer or newDefer.resolve })
-							// deferred.fail(function() { bind to newDefer or newDefer.reject })
-							deferred[ tuple[ 1 ] ]( function() {
-								var returned = fn && fn.apply( this, arguments );
-								if ( returned && isFunction( returned.promise ) ) {
-									returned.promise()
-										.progress( newDefer.notify )
-										.done( newDefer.resolve )
-										.fail( newDefer.reject );
-								} else {
-									newDefer[ tuple[ 0 ] + "With" ](
-										this,
-										fn ? [ returned ] : arguments
-									);
-								}
-							} );
-						} );
-						fns = null;
-					} ).promise();
-				},
-				then: function( onFulfilled, onRejected, onProgress ) {
-					var maxDepth = 0;
-					function resolve( depth, deferred, handler, special ) {
-						return function() {
-							var that = this,
-								args = arguments,
-								mightThrow = function() {
-									var returned, then;
-
-									// Support: Promises/A+ section 2.3.3.3.3
-									// https://promisesaplus.com/#point-59
-									// Ignore double-resolution attempts
-									if ( depth < maxDepth ) {
-										return;
-									}
-
-									returned = handler.apply( that, args );
-
-									// Support: Promises/A+ section 2.3.1
-									// https://promisesaplus.com/#point-48
-									if ( returned === deferred.promise() ) {
-										throw new TypeError( "Thenable self-resolution" );
-									}
-
-									// Support: Promises/A+ sections 2.3.3.1, 3.5
-									// https://promisesaplus.com/#point-54
-									// https://promisesaplus.com/#point-75
-									// Retrieve `then` only once
-									then = returned &&
-
-										// Support: Promises/A+ section 2.3.4
-										// https://promisesaplus.com/#point-64
-										// Only check objects and functions for thenability
-										( typeof returned === "object" ||
-											typeof returned === "function" ) &&
-										returned.then;
-
-									// Handle a returned thenable
-									if ( isFunction( then ) ) {
-
-										// Special processors (notify) just wait for resolution
-										if ( special ) {
-											then.call(
-												returned,
-												resolve( maxDepth, deferred, Identity, special ),
-												resolve( maxDepth, deferred, Thrower, special )
-											);
-
-										// Normal processors (resolve) also hook into progress
-										} else {
-
-											// ...and disregard older resolution values
-											maxDepth++;
-
-											then.call(
-												returned,
-												resolve( maxDepth, deferred, Identity, special ),
-												resolve( maxDepth, deferred, Thrower, special ),
-												resolve( maxDepth, deferred, Identity,
-													deferred.notifyWith )
-											);
-										}
-
-									// Handle all other returned values
-									} else {
-
-										// Only substitute handlers pass on context
-										// and multiple values (non-spec behavior)
-										if ( handler !== Identity ) {
-											that = undefined;
-											args = [ returned ];
-										}
-
-										// Process the value(s)
-										// Default process is resolve
-										( special || deferred.resolveWith )( that, args );
-									}
-								},
-
-								// Only normal processors (resolve) catch and reject exceptions
-								process = special ?
-									mightThrow :
-									function() {
-										try {
-											mightThrow();
-										} catch ( e ) {
-
-											if ( jQuery.Deferred.exceptionHook ) {
-												jQuery.Deferred.exceptionHook( e,
-													process.stackTrace );
-											}
-
-											// Support: Promises/A+ section 2.3.3.3.4.1
-											// https://promisesaplus.com/#point-61
-											// Ignore post-resolution exceptions
-											if ( depth + 1 >= maxDepth ) {
-
-												// Only substitute handlers pass on context
-												// and multiple values (non-spec behavior)
-												if ( handler !== Thrower ) {
-													that = undefined;
-													args = [ e ];
-												}
-
-												deferred.rejectWith( that, args );
-											}
-										}
-									};
-
-							// Support: Promises/A+ section 2.3.3.3.1
-							// https://promisesaplus.com/#point-57
-							// Re-resolve promises immediately to dodge false rejection from
-							// subsequent errors
-							if ( depth ) {
-								process();
-							} else {
-
-								// Call an optional hook to record the stack, in case of exception
-								// since it's otherwise lost when execution goes async
-								if ( jQuery.Deferred.getStackHook ) {
-									process.stackTrace = jQuery.Deferred.getStackHook();
-								}
-								window.setTimeout( process );
-							}
-						};
-					}
-
-					return jQuery.Deferred( function( newDefer ) {
-
-						// progress_handlers.add( ... )
-						tuples[ 0 ][ 3 ].add(
-							resolve(
-								0,
-								newDefer,
-								isFunction( onProgress ) ?
-									onProgress :
-									Identity,
-								newDefer.notifyWith
-							)
-						);
-
-						// fulfilled_handlers.add( ... )
-						tuples[ 1 ][ 3 ].add(
-							resolve(
-								0,
-								newDefer,
-								isFunction( onFulfilled ) ?
-									onFulfilled :
-									Identity
-							)
-						);
-
-						// rejected_handlers.add( ... )
-						tuples[ 2 ][ 3 ].add(
-							resolve(
-								0,
-								newDefer,
-								isFunction( onRejected ) ?
-									onRejected :
-									Thrower
-							)
-						);
-					} ).promise();
-				},
-
-				// Get a promise for this deferred
-				// If obj is provided, the promise aspect is added to the object
-				promise: function( obj ) {
-					return obj != null ? jQuery.extend( obj, promise ) : promise;
-				}
-			},
-			deferred = {};
-
-		// Add list-specific methods
-		jQuery.each( tuples, function( i, tuple ) {
-			var list = tuple[ 2 ],
-				stateString = tuple[ 5 ];
-
-			// promise.progress = list.add
-			// promise.done = list.add
-			// promise.fail = list.add
-			promise[ tuple[ 1 ] ] = list.add;
-
-			// Handle state
-			if ( stateString ) {
-				list.add(
-					function() {
-
-						// state = "resolved" (i.e., fulfilled)
-						// state = "rejected"
-						state = stateString;
-					},
-
-					// rejected_callbacks.disable
-					// fulfilled_callbacks.disable
-					tuples[ 3 - i ][ 2 ].disable,
-
-					// rejected_handlers.disable
-					// fulfilled_handlers.disable
-					tuples[ 3 - i ][ 3 ].disable,
-
-					// progress_callbacks.lock
-					tuples[ 0 ][ 2 ].lock,
-
-					// progress_handlers.lock
-					tuples[ 0 ][ 3 ].lock
-				);
-			}
-
-			// progress_handlers.fire
-			// fulfilled_handlers.fire
-			// rejected_handlers.fire
-			list.add( tuple[ 3 ].fire );
-
-			// deferred.notify = function() { deferred.notifyWith(...) }
-			// deferred.resolve = function() { deferred.resolveWith(...) }
-			// deferred.reject = function() { deferred.rejectWith(...) }
-			deferred[ tuple[ 0 ] ] = function() {
-				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
-				return this;
-			};
-
-			// deferred.notifyWith = list.fireWith
-			// deferred.resolveWith = list.fireWith
-			// deferred.rejectWith = list.fireWith
-			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
-		} );
-
-		// Make the deferred a promise
-		promise.promise( deferred );
-
-		// Call given func if any
-		if ( func ) {
-			func.call( deferred, deferred );
-		}
-
-		// All done!
-		return deferred;
-	},
-
-	// Deferred helper
-	when: function( singleValue ) {
-		var
-
-			// count of uncompleted subordinates
-			remaining = arguments.length,
-
-			// count of unprocessed arguments
-			i = remaining,
-
-			// subordinate fulfillment data
-			resolveContexts = Array( i ),
-			resolveValues = slice.call( arguments ),
-
-			// the master Deferred
-			master = jQuery.Deferred(),
-
-			// subordinate callback factory
-			updateFunc = function( i ) {
-				return function( value ) {
-					resolveContexts[ i ] = this;
-					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
-					if ( !( --remaining ) ) {
-						master.resolveWith( resolveContexts, resolveValues );
-					}
-				};
-			};
-
-		// Single- and empty arguments are adopted like Promise.resolve
-		if ( remaining <= 1 ) {
-			adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
-				!remaining );
-
-			// Use .then() to unwrap secondary thenables (cf. gh-3000)
-			if ( master.state() === "pending" ||
-				isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
-
-				return master.then();
-			}
-		}
-
-		// Multiple arguments are aggregated like Promise.all array elements
-		while ( i-- ) {
-			adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
-		}
-
-		return master.promise();
-	}
-} );
-
-
-// These usually indicate a programmer mistake during development,
-// warn about them ASAP rather than swallowing them by default.
-var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
-
-jQuery.Deferred.exceptionHook = function( error, stack ) {
-
-	// Support: IE 8 - 9 only
-	// Console exists when dev tools are open, which can happen at any time
-	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
-		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
-	}
-};
-
-
-
-
-jQuery.readyException = function( error ) {
-	window.setTimeout( function() {
-		throw error;
-	} );
-};
-
-
-
-
-// The deferred used on DOM ready
-var readyList = jQuery.Deferred();
-
-jQuery.fn.ready = function( fn ) {
-
-	readyList
-		.then( fn )
-
-		// Wrap jQuery.readyException in a function so that the lookup
-		// happens at the time of error handling instead of callback
-		// registration.
-		.catch( function( error ) {
-			jQuery.readyException( error );
-		} );
-
-	return this;
-};
-
-jQuery.extend( {
-
-	// Is the DOM ready to be used? Set to true once it occurs.
-	isReady: false,
-
-	// A counter to track how many items to wait for before
-	// the ready event fires. See #6781
-	readyWait: 1,
-
-	// Handle when the DOM is ready
-	ready: function( wait ) {
-
-		// Abort if there are pending holds or we're already ready
-		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
-			return;
-		}
-
-		// Remember that the DOM is ready
-		jQuery.isReady = true;
-
-		// If a normal DOM Ready event fired, decrement, and wait if need be
-		if ( wait !== true && --jQuery.readyWait > 0 ) {
-			return;
-		}
-
-		// If there are functions bound, to execute
-		readyList.resolveWith( document, [ jQuery ] );
-	}
-} );
-
-jQuery.ready.then = readyList.then;
-
-// The ready event handler and self cleanup method
-function completed() {
-	document.removeEventListener( "DOMContentLoaded", completed );
-	window.removeEventListener( "load", completed );
-	jQuery.ready();
-}
-
-// Catch cases where $(document).ready() is called
-// after the browser event has already occurred.
-// Support: IE <=9 - 10 only
-// Older IE sometimes signals "interactive" too soon
-if ( document.readyState === "complete" ||
-	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
-
-	// Handle it asynchronously to allow scripts the opportunity to delay ready
-	window.setTimeout( jQuery.ready );
-
-} else {
-
-	// Use the handy event callback
-	document.addEventListener( "DOMContentLoaded", completed );
-
-	// A fallback to window.onload, that will always work
-	window.addEventListener( "load", completed );
-}
-
-
-
-
-// Multifunctional method to get and set values of a collection
-// The value/s can optionally be executed if it's a function
-var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
-	var i = 0,
-		len = elems.length,
-		bulk = key == null;
-
-	// Sets many values
-	if ( toType( key ) === "object" ) {
-		chainable = true;
-		for ( i in key ) {
-			access( elems, fn, i, key[ i ], true, emptyGet, raw );
-		}
-
-	// Sets one value
-	} else if ( value !== undefined ) {
-		chainable = true;
-
-		if ( !isFunction( value ) ) {
-			raw = true;
-		}
-
-		if ( bulk ) {
-
-			// Bulk operations run against the entire set
-			if ( raw ) {
-				fn.call( elems, value );
-				fn = null;
-
-			// ...except when executing function values
-			} else {
-				bulk = fn;
-				fn = function( elem, _key, value ) {
-					return bulk.call( jQuery( elem ), value );
-				};
-			}
-		}
-
-		if ( fn ) {
-			for ( ; i < len; i++ ) {
-				fn(
-					elems[ i ], key, raw ?
-					value :
-					value.call( elems[ i ], i, fn( elems[ i ], key ) )
-				);
-			}
-		}
-	}
-
-	if ( chainable ) {
-		return elems;
-	}
-
-	// Gets
-	if ( bulk ) {
-		return fn.call( elems );
-	}
-
-	return len ? fn( elems[ 0 ], key ) : emptyGet;
-};
-
-
-// Matches dashed string for camelizing
-var rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([a-z])/g;
-
-// Used by camelCase as callback to replace()
-function fcamelCase( _all, letter ) {
-	return letter.toUpperCase();
-}
-
-// Convert dashed to camelCase; used by the css and data modules
-// Support: IE <=9 - 11, Edge 12 - 15
-// Microsoft forgot to hump their vendor prefix (#9572)
-function camelCase( string ) {
-	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
-}
-var acceptData = function( owner ) {
-
-	// Accepts only:
-	//  - Node
-	//    - Node.ELEMENT_NODE
-	//    - Node.DOCUMENT_NODE
-	//  - Object
-	//    - Any
-	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
-};
-
-
-
-
-function Data() {
-	this.expando = jQuery.expando + Data.uid++;
-}
-
-Data.uid = 1;
-
-Data.prototype = {
-
-	cache: function( owner ) {
-
-		// Check if the owner object already has a cache
-		var value = owner[ this.expando ];
-
-		// If not, create one
-		if ( !value ) {
-			value = {};
-
-			// We can accept data for non-element nodes in modern browsers,
-			// but we should not, see #8335.
-			// Always return an empty object.
-			if ( acceptData( owner ) ) {
-
-				// If it is a node unlikely to be stringify-ed or looped over
-				// use plain assignment
-				if ( owner.nodeType ) {
-					owner[ this.expando ] = value;
-
-				// Otherwise secure it in a non-enumerable property
-				// configurable must be true to allow the property to be
-				// deleted when data is removed
-				} else {
-					Object.defineProperty( owner, this.expando, {
-						value: value,
-						configurable: true
-					} );
-				}
-			}
-		}
-
-		return value;
-	},
-	set: function( owner, data, value ) {
-		var prop,
-			cache = this.cache( owner );
-
-		// Handle: [ owner, key, value ] args
-		// Always use camelCase key (gh-2257)
-		if ( typeof data === "string" ) {
-			cache[ camelCase( data ) ] = value;
-
-		// Handle: [ owner, { properties } ] args
-		} else {
-
-			// Copy the properties one-by-one to the cache object
-			for ( prop in data ) {
-				cache[ camelCase( prop ) ] = data[ prop ];
-			}
-		}
-		return cache;
-	},
-	get: function( owner, key ) {
-		return key === undefined ?
-			this.cache( owner ) :
-
-			// Always use camelCase key (gh-2257)
-			owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
-	},
-	access: function( owner, key, value ) {
-
-		// In cases where either:
-		//
-		//   1. No key was specified
-		//   2. A string key was specified, but no value provided
-		//
-		// Take the "read" path and allow the get method to determine
-		// which value to return, respectively either:
-		//
-		//   1. The entire cache object
-		//   2. The data stored at the key
-		//
-		if ( key === undefined ||
-				( ( key && typeof key === "string" ) && value === undefined ) ) {
-
-			return this.get( owner, key );
-		}
-
-		// When the key is not a string, or both a key and value
-		// are specified, set or extend (existing objects) with either:
-		//
-		//   1. An object of properties
-		//   2. A key and value
-		//
-		this.set( owner, key, value );
-
-		// Since the "set" path can have two possible entry points
-		// return the expected data based on which path was taken[*]
-		return value !== undefined ? value : key;
-	},
-	remove: function( owner, key ) {
-		var i,
-			cache = owner[ this.expando ];
-
-		if ( cache === undefined ) {
-			return;
-		}
-
-		if ( key !== undefined ) {
-
-			// Support array or space separated string of keys
-			if ( Array.isArray( key ) ) {
-
-				// If key is an array of keys...
-				// We always set camelCase keys, so remove that.
-				key = key.map( camelCase );
-			} else {
-				key = camelCase( key );
-
-				// If a key with the spaces exists, use it.
-				// Otherwise, create an array by matching non-whitespace
-				key = key in cache ?
-					[ key ] :
-					( key.match( rnothtmlwhite ) || [] );
-			}
-
-			i = key.length;
-
-			while ( i-- ) {
-				delete cache[ key[ i ] ];
-			}
-		}
-
-		// Remove the expando if there's no more data
-		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
-
-			// Support: Chrome <=35 - 45
-			// Webkit & Blink performance suffers when deleting properties
-			// from DOM nodes, so set to undefined instead
-			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
-			if ( owner.nodeType ) {
-				owner[ this.expando ] = undefined;
-			} else {
-				delete owner[ this.expando ];
-			}
-		}
-	},
-	hasData: function( owner ) {
-		var cache = owner[ this.expando ];
-		return cache !== undefined && !jQuery.isEmptyObject( cache );
-	}
-};
-var dataPriv = new Data();
-
-var dataUser = new Data();
-
-
-
-//	Implementation Summary
-//
-//	1. Enforce API surface and semantic compatibility with 1.9.x branch
-//	2. Improve the module's maintainability by reducing the storage
-//		paths to a single mechanism.
-//	3. Use the same single mechanism to support "private" and "user" data.
-//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
-//	5. Avoid exposing implementation details on user objects (eg. expando properties)
-//	6. Provide a clear path for implementation upgrade to WeakMap in 2014
-
-var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
-	rmultiDash = /[A-Z]/g;
-
-function getData( data ) {
-	if ( data === "true" ) {
-		return true;
-	}
-
-	if ( data === "false" ) {
-		return false;
-	}
-
-	if ( data === "null" ) {
-		return null;
-	}
-
-	// Only convert to a number if it doesn't change the string
-	if ( data === +data + "" ) {
-		return +data;
-	}
-
-	if ( rbrace.test( data ) ) {
-		return JSON.parse( data );
-	}
-
-	return data;
-}
-
-function dataAttr( elem, key, data ) {
-	var name;
-
-	// If nothing was found internally, try to fetch any
-	// data from the HTML5 data-* attribute
-	if ( data === undefined && elem.nodeType === 1 ) {
-		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
-		data = elem.getAttribute( name );
-
-		if ( typeof data === "string" ) {
-			try {
-				data = getData( data );
-			} catch ( e ) {}
-
-			// Make sure we set the data so it isn't changed later
-			dataUser.set( elem, key, data );
-		} else {
-			data = undefined;
-		}
-	}
-	return data;
-}
-
-jQuery.extend( {
-	hasData: function( elem ) {
-		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
-	},
-
-	data: function( elem, name, data ) {
-		return dataUser.access( elem, name, data );
-	},
-
-	removeData: function( elem, name ) {
-		dataUser.remove( elem, name );
-	},
-
-	// TODO: Now that all calls to _data and _removeData have been replaced
-	// with direct calls to dataPriv methods, these can be deprecated.
-	_data: function( elem, name, data ) {
-		return dataPriv.access( elem, name, data );
-	},
-
-	_removeData: function( elem, name ) {
-		dataPriv.remove( elem, name );
-	}
-} );
-
-jQuery.fn.extend( {
-	data: function( key, value ) {
-		var i, name, data,
-			elem = this[ 0 ],
-			attrs = elem && elem.attributes;
-
-		// Gets all values
-		if ( key === undefined ) {
-			if ( this.length ) {
-				data = dataUser.get( elem );
-
-				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
-					i = attrs.length;
-					while ( i-- ) {
-
-						// Support: IE 11 only
-						// The attrs elements can be null (#14894)
-						if ( attrs[ i ] ) {
-							name = attrs[ i ].name;
-							if ( name.indexOf( "data-" ) === 0 ) {
-								name = camelCase( name.slice( 5 ) );
-								dataAttr( elem, name, data[ name ] );
-							}
-						}
-					}
-					dataPriv.set( elem, "hasDataAttrs", true );
-				}
-			}
-
-			return data;
-		}
-
-		// Sets multiple values
-		if ( typeof key === "object" ) {
-			return this.each( function() {
-				dataUser.set( this, key );
-			} );
-		}
-
-		return access( this, function( value ) {
-			var data;
-
-			// The calling jQuery object (element matches) is not empty
-			// (and therefore has an element appears at this[ 0 ]) and the
-			// `value` parameter was not undefined. An empty jQuery object
-			// will result in `undefined` for elem = this[ 0 ] which will
-			// throw an exception if an attempt to read a data cache is made.
-			if ( elem && value === undefined ) {
-
-				// Attempt to get data from the cache
-				// The key will always be camelCased in Data
-				data = dataUser.get( elem, key );
-				if ( data !== undefined ) {
-					return data;
-				}
-
-				// Attempt to "discover" the data in
-				// HTML5 custom data-* attrs
-				data = dataAttr( elem, key );
-				if ( data !== undefined ) {
-					return data;
-				}
-
-				// We tried really hard, but the data doesn't exist.
-				return;
-			}
-
-			// Set the data...
-			this.each( function() {
-
-				// We always store the camelCased key
-				dataUser.set( this, key, value );
-			} );
-		}, null, value, arguments.length > 1, null, true );
-	},
-
-	removeData: function( key ) {
-		return this.each( function() {
-			dataUser.remove( this, key );
-		} );
-	}
-} );
-
-
-jQuery.extend( {
-	queue: function( elem, type, data ) {
-		var queue;
-
-		if ( elem ) {
-			type = ( type || "fx" ) + "queue";
-			queue = dataPriv.get( elem, type );
-
-			// Speed up dequeue by getting out quickly if this is just a lookup
-			if ( data ) {
-				if ( !queue || Array.isArray( data ) ) {
-					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
-				} else {
-					queue.push( data );
-				}
-			}
-			return queue || [];
-		}
-	},
-
-	dequeue: function( elem, type ) {
-		type = type || "fx";
-
-		var queue = jQuery.queue( elem, type ),
-			startLength = queue.length,
-			fn = queue.shift(),
-			hooks = jQuery._queueHooks( elem, type ),
-			next = function() {
-				jQuery.dequeue( elem, type );
-			};
-
-		// If the fx queue is dequeued, always remove the progress sentinel
-		if ( fn === "inprogress" ) {
-			fn = queue.shift();
-			startLength--;
-		}
-
-		if ( fn ) {
-
-			// Add a progress sentinel to prevent the fx queue from being
-			// automatically dequeued
-			if ( type === "fx" ) {
-				queue.unshift( "inprogress" );
-			}
-
-			// Clear up the last queue stop function
-			delete hooks.stop;
-			fn.call( elem, next, hooks );
-		}
-
-		if ( !startLength && hooks ) {
-			hooks.empty.fire();
-		}
-	},
-
-	// Not public - generate a queueHooks object, or return the current one
-	_queueHooks: function( elem, type ) {
-		var key = type + "queueHooks";
-		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
-			empty: jQuery.Callbacks( "once memory" ).add( function() {
-				dataPriv.remove( elem, [ type + "queue", key ] );
-			} )
-		} );
-	}
-} );
-
-jQuery.fn.extend( {
-	queue: function( type, data ) {
-		var setter = 2;
-
-		if ( typeof type !== "string" ) {
-			data = type;
-			type = "fx";
-			setter--;
-		}
-
-		if ( arguments.length < setter ) {
-			return jQuery.queue( this[ 0 ], type );
-		}
-
-		return data === undefined ?
-			this :
-			this.each( function() {
-				var queue = jQuery.queue( this, type, data );
-
-				// Ensure a hooks for this queue
-				jQuery._queueHooks( this, type );
-
-				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
-					jQuery.dequeue( this, type );
-				}
-			} );
-	},
-	dequeue: function( type ) {
-		return this.each( function() {
-			jQuery.dequeue( this, type );
-		} );
-	},
-	clearQueue: function( type ) {
-		return this.queue( type || "fx", [] );
-	},
-
-	// Get a promise resolved when queues of a certain type
-	// are emptied (fx is the type by default)
-	promise: function( type, obj ) {
-		var tmp,
-			count = 1,
-			defer = jQuery.Deferred(),
-			elements = this,
-			i = this.length,
-			resolve = function() {
-				if ( !( --count ) ) {
-					defer.resolveWith( elements, [ elements ] );
-				}
-			};
-
-		if ( typeof type !== "string" ) {
-			obj = type;
-			type = undefined;
-		}
-		type = type || "fx";
-
-		while ( i-- ) {
-			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
-			if ( tmp && tmp.empty ) {
-				count++;
-				tmp.empty.add( resolve );
-			}
-		}
-		resolve();
-		return defer.promise( obj );
-	}
-} );
-var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
-
-var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
-
-
-var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
-
-var documentElement = document.documentElement;
-
-
-
-	var isAttached = function( elem ) {
-			return jQuery.contains( elem.ownerDocument, elem );
-		},
-		composed = { composed: true };
-
-	// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
-	// Check attachment across shadow DOM boundaries when possible (gh-3504)
-	// Support: iOS 10.0-10.2 only
-	// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
-	// leading to errors. We need to check for `getRootNode`.
-	if ( documentElement.getRootNode ) {
-		isAttached = function( elem ) {
-			return jQuery.contains( elem.ownerDocument, elem ) ||
-				elem.getRootNode( composed ) === elem.ownerDocument;
-		};
-	}
-var isHiddenWithinTree = function( elem, el ) {
-
-		// isHiddenWithinTree might be called from jQuery#filter function;
-		// in that case, element will be second argument
-		elem = el || elem;
-
-		// Inline style trumps all
-		return elem.style.display === "none" ||
-			elem.style.display === "" &&
-
-			// Otherwise, check computed style
-			// Support: Firefox <=43 - 45
-			// Disconnected elements can have computed display: none, so first confirm that elem is
-			// in the document.
-			isAttached( elem ) &&
-
-			jQuery.css( elem, "display" ) === "none";
-	};
-
-
-
-function adjustCSS( elem, prop, valueParts, tween ) {
-	var adjusted, scale,
-		maxIterations = 20,
-		currentValue = tween ?
-			function() {
-				return tween.cur();
-			} :
-			function() {
-				return jQuery.css( elem, prop, "" );
-			},
-		initial = currentValue(),
-		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
-
-		// Starting value computation is required for potential unit mismatches
-		initialInUnit = elem.nodeType &&
-			( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
-			rcssNum.exec( jQuery.css( elem, prop ) );
-
-	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
-
-		// Support: Firefox <=54
-		// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
-		initial = initial / 2;
-
-		// Trust units reported by jQuery.css
-		unit = unit || initialInUnit[ 3 ];
-
-		// Iteratively approximate from a nonzero starting point
-		initialInUnit = +initial || 1;
-
-		while ( maxIterations-- ) {
-
-			// Evaluate and update our best guess (doubling guesses that zero out).
-			// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
-			jQuery.style( elem, prop, initialInUnit + unit );
-			if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
-				maxIterations = 0;
-			}
-			initialInUnit = initialInUnit / scale;
-
-		}
-
-		initialInUnit = initialInUnit * 2;
-		jQuery.style( elem, prop, initialInUnit + unit );
-
-		// Make sure we update the tween properties later on
-		valueParts = valueParts || [];
-	}
-
-	if ( valueParts ) {
-		initialInUnit = +initialInUnit || +initial || 0;
-
-		// Apply relative offset (+=/-=) if specified
-		adjusted = valueParts[ 1 ] ?
-			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
-			+valueParts[ 2 ];
-		if ( tween ) {
-			tween.unit = unit;
-			tween.start = initialInUnit;
-			tween.end = adjusted;
-		}
-	}
-	return adjusted;
-}
-
-
-var defaultDisplayMap = {};
-
-function getDefaultDisplay( elem ) {
-	var temp,
-		doc = elem.ownerDocument,
-		nodeName = elem.nodeName,
-		display = defaultDisplayMap[ nodeName ];
-
-	if ( display ) {
-		return display;
-	}
-
-	temp = doc.body.appendChild( doc.createElement( nodeName ) );
-	display = jQuery.css( temp, "display" );
-
-	temp.parentNode.removeChild( temp );
-
-	if ( display === "none" ) {
-		display = "block";
-	}
-	defaultDisplayMap[ nodeName ] = display;
-
-	return display;
-}
-
-function showHide( elements, show ) {
-	var display, elem,
-		values = [],
-		index = 0,
-		length = elements.length;
-
-	// Determine new display value for elements that need to change
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-
-		display = elem.style.display;
-		if ( show ) {
-
-			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
-			// check is required in this first loop unless we have a nonempty display value (either
-			// inline or about-to-be-restored)
-			if ( display === "none" ) {
-				values[ index ] = dataPriv.get( elem, "display" ) || null;
-				if ( !values[ index ] ) {
-					elem.style.display = "";
-				}
-			}
-			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
-				values[ index ] = getDefaultDisplay( elem );
-			}
-		} else {
-			if ( display !== "none" ) {
-				values[ index ] = "none";
-
-				// Remember what we're overwriting
-				dataPriv.set( elem, "display", display );
-			}
-		}
-	}
-
-	// Set the display of the elements in a second loop to avoid constant reflow
-	for ( index = 0; index < length; index++ ) {
-		if ( values[ index ] != null ) {
-			elements[ index ].style.display = values[ index ];
-		}
-	}
-
-	return elements;
-}
-
-jQuery.fn.extend( {
-	show: function() {
-		return showHide( this, true );
-	},
-	hide: function() {
-		return showHide( this );
-	},
-	toggle: function( state ) {
-		if ( typeof state === "boolean" ) {
-			return state ? this.show() : this.hide();
-		}
-
-		return this.each( function() {
-			if ( isHiddenWithinTree( this ) ) {
-				jQuery( this ).show();
-			} else {
-				jQuery( this ).hide();
-			}
-		} );
-	}
-} );
-var rcheckableType = ( /^(?:checkbox|radio)$/i );
-
-var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
-
-var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
-
-
-
-( function() {
-	var fragment = document.createDocumentFragment(),
-		div = fragment.appendChild( document.createElement( "div" ) ),
-		input = document.createElement( "input" );
-
-	// Support: Android 4.0 - 4.3 only
-	// Check state lost if the name is set (#11217)
-	// Support: Windows Web Apps (WWA)
-	// `name` and `type` must use .setAttribute for WWA (#14901)
-	input.setAttribute( "type", "radio" );
-	input.setAttribute( "checked", "checked" );
-	input.setAttribute( "name", "t" );
-
-	div.appendChild( input );
-
-	// Support: Android <=4.1 only
-	// Older WebKit doesn't clone checked state correctly in fragments
-	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
-
-	// Support: IE <=11 only
-	// Make sure textarea (and checkbox) defaultValue is properly cloned
-	div.innerHTML = "<textarea>x</textarea>";
-	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
-
-	// Support: IE <=9 only
-	// IE <=9 replaces <option> tags with their contents when inserted outside of
-	// the select element.
-	div.innerHTML = "<option></option>";
-	support.option = !!div.lastChild;
-} )();
-
-
-// We have to close these tags to support XHTML (#13200)
-var wrapMap = {
-
-	// XHTML parsers do not magically insert elements in the
-	// same way that tag soup parsers do. So we cannot shorten
-	// this by omitting <tbody> or other required elements.
-	thead: [ 1, "<table>", "</table>" ],
-	col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
-	tr: [ 2, "<table><tbody>", "</tbody></table>" ],
-	td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
-
-	_default: [ 0, "", "" ]
-};
-
-wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
-wrapMap.th = wrapMap.td;
-
-// Support: IE <=9 only
-if ( !support.option ) {
-	wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
-}
-
-
-function getAll( context, tag ) {
-
-	// Support: IE <=9 - 11 only
-	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
-	var ret;
-
-	if ( typeof context.getElementsByTagName !== "undefined" ) {
-		ret = context.getElementsByTagName( tag || "*" );
-
-	} else if ( typeof context.querySelectorAll !== "undefined" ) {
-		ret = context.querySelectorAll( tag || "*" );
-
-	} else {
-		ret = [];
-	}
-
-	if ( tag === undefined || tag && nodeName( context, tag ) ) {
-		return jQuery.merge( [ context ], ret );
-	}
-
-	return ret;
-}
-
-
-// Mark scripts as having already been evaluated
-function setGlobalEval( elems, refElements ) {
-	var i = 0,
-		l = elems.length;
-
-	for ( ; i < l; i++ ) {
-		dataPriv.set(
-			elems[ i ],
-			"globalEval",
-			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
-		);
-	}
-}
-
-
-var rhtml = /<|&#?\w+;/;
-
-function buildFragment( elems, context, scripts, selection, ignored ) {
-	var elem, tmp, tag, wrap, attached, j,
-		fragment = context.createDocumentFragment(),
-		nodes = [],
-		i = 0,
-		l = elems.length;
-
-	for ( ; i < l; i++ ) {
-		elem = elems[ i ];
-
-		if ( elem || elem === 0 ) {
-
-			// Add nodes directly
-			if ( toType( elem ) === "object" ) {
-
-				// Support: Android <=4.0 only, PhantomJS 1 only
-				// push.apply(_, arraylike) throws on ancient WebKit
-				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
-
-			// Convert non-html into a text node
-			} else if ( !rhtml.test( elem ) ) {
-				nodes.push( context.createTextNode( elem ) );
-
-			// Convert html into DOM nodes
-			} else {
-				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
-
-				// Deserialize a standard representation
-				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
-				wrap = wrapMap[ tag ] || wrapMap._default;
-				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
-
-				// Descend through wrappers to the right content
-				j = wrap[ 0 ];
-				while ( j-- ) {
-					tmp = tmp.lastChild;
-				}
-
-				// Support: Android <=4.0 only, PhantomJS 1 only
-				// push.apply(_, arraylike) throws on ancient WebKit
-				jQuery.merge( nodes, tmp.childNodes );
-
-				// Remember the top-level container
-				tmp = fragment.firstChild;
-
-				// Ensure the created nodes are orphaned (#12392)
-				tmp.textContent = "";
-			}
-		}
-	}
-
-	// Remove wrapper from fragment
-	fragment.textContent = "";
-
-	i = 0;
-	while ( ( elem = nodes[ i++ ] ) ) {
-
-		// Skip elements already in the context collection (trac-4087)
-		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
-			if ( ignored ) {
-				ignored.push( elem );
-			}
-			continue;
-		}
-
-		attached = isAttached( elem );
-
-		// Append to fragment
-		tmp = getAll( fragment.appendChild( elem ), "script" );
-
-		// Preserve script evaluation history
-		if ( attached ) {
-			setGlobalEval( tmp );
-		}
-
-		// Capture executables
-		if ( scripts ) {
-			j = 0;
-			while ( ( elem = tmp[ j++ ] ) ) {
-				if ( rscriptType.test( elem.type || "" ) ) {
-					scripts.push( elem );
-				}
-			}
-		}
-	}
-
-	return fragment;
-}
-
-
-var
-	rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
-	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
-
-function returnTrue() {
-	return true;
-}
-
-function returnFalse() {
-	return false;
-}
-
-// Support: IE <=9 - 11+
-// focus() and blur() are asynchronous, except when they are no-op.
-// So expect focus to be synchronous when the element is already active,
-// and blur to be synchronous when the element is not already active.
-// (focus and blur are always synchronous in other supported browsers,
-// this just defines when we can count on it).
-function expectSync( elem, type ) {
-	return ( elem === safeActiveElement() ) === ( type === "focus" );
-}
-
-// Support: IE <=9 only
-// Accessing document.activeElement can throw unexpectedly
-// https://bugs.jquery.com/ticket/13393
-function safeActiveElement() {
-	try {
-		return document.activeElement;
-	} catch ( err ) { }
-}
-
-function on( elem, types, selector, data, fn, one ) {
-	var origFn, type;
-
-	// Types can be a map of types/handlers
-	if ( typeof types === "object" ) {
-
-		// ( types-Object, selector, data )
-		if ( typeof selector !== "string" ) {
-
-			// ( types-Object, data )
-			data = data || selector;
-			selector = undefined;
-		}
-		for ( type in types ) {
-			on( elem, type, selector, data, types[ type ], one );
-		}
-		return elem;
-	}
-
-	if ( data == null && fn == null ) {
-
-		// ( types, fn )
-		fn = selector;
-		data = selector = undefined;
-	} else if ( fn == null ) {
-		if ( typeof selector === "string" ) {
-
-			// ( types, selector, fn )
-			fn = data;
-			data = undefined;
-		} else {
-
-			// ( types, data, fn )
-			fn = data;
-			data = selector;
-			selector = undefined;
-		}
-	}
-	if ( fn === false ) {
-		fn = returnFalse;
-	} else if ( !fn ) {
-		return elem;
-	}
-
-	if ( one === 1 ) {
-		origFn = fn;
-		fn = function( event ) {
-
-			// Can use an empty set, since event contains the info
-			jQuery().off( event );
-			return origFn.apply( this, arguments );
-		};
-
-		// Use same guid so caller can remove using origFn
-		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
-	}
-	return elem.each( function() {
-		jQuery.event.add( this, types, fn, data, selector );
-	} );
-}
-
-/*
- * Helper functions for managing events -- not part of the public interface.
- * Props to Dean Edwards' addEvent library for many of the ideas.
- */
-jQuery.event = {
-
-	global: {},
-
-	add: function( elem, types, handler, data, selector ) {
-
-		var handleObjIn, eventHandle, tmp,
-			events, t, handleObj,
-			special, handlers, type, namespaces, origType,
-			elemData = dataPriv.get( elem );
-
-		// Only attach events to objects that accept data
-		if ( !acceptData( elem ) ) {
-			return;
-		}
-
-		// Caller can pass in an object of custom data in lieu of the handler
-		if ( handler.handler ) {
-			handleObjIn = handler;
-			handler = handleObjIn.handler;
-			selector = handleObjIn.selector;
-		}
-
-		// Ensure that invalid selectors throw exceptions at attach time
-		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
-		if ( selector ) {
-			jQuery.find.matchesSelector( documentElement, selector );
-		}
-
-		// Make sure that the handler has a unique ID, used to find/remove it later
-		if ( !handler.guid ) {
-			handler.guid = jQuery.guid++;
-		}
-
-		// Init the element's event structure and main handler, if this is the first
-		if ( !( events = elemData.events ) ) {
-			events = elemData.events = Object.create( null );
-		}
-		if ( !( eventHandle = elemData.handle ) ) {
-			eventHandle = elemData.handle = function( e ) {
-
-				// Discard the second event of a jQuery.event.trigger() and
-				// when an event is called after a page has unloaded
-				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
-					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
-			};
-		}
-
-		// Handle multiple events separated by a space
-		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
-		t = types.length;
-		while ( t-- ) {
-			tmp = rtypenamespace.exec( types[ t ] ) || [];
-			type = origType = tmp[ 1 ];
-			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
-
-			// There *must* be a type, no attaching namespace-only handlers
-			if ( !type ) {
-				continue;
-			}
-
-			// If event changes its type, use the special event handlers for the changed type
-			special = jQuery.event.special[ type ] || {};
-
-			// If selector defined, determine special event api type, otherwise given type
-			type = ( selector ? special.delegateType : special.bindType ) || type;
-
-			// Update special based on newly reset type
-			special = jQuery.event.special[ type ] || {};
-
-			// handleObj is passed to all event handlers
-			handleObj = jQuery.extend( {
-				type: type,
-				origType: origType,
-				data: data,
-				handler: handler,
-				guid: handler.guid,
-				selector: selector,
-				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
-				namespace: namespaces.join( "." )
-			}, handleObjIn );
-
-			// Init the event handler queue if we're the first
-			if ( !( handlers = events[ type ] ) ) {
-				handlers = events[ type ] = [];
-				handlers.delegateCount = 0;
-
-				// Only use addEventListener if the special events handler returns false
-				if ( !special.setup ||
-					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
-
-					if ( elem.addEventListener ) {
-						elem.addEventListener( type, eventHandle );
-					}
-				}
-			}
-
-			if ( special.add ) {
-				special.add.call( elem, handleObj );
-
-				if ( !handleObj.handler.guid ) {
-					handleObj.handler.guid = handler.guid;
-				}
-			}
-
-			// Add to the element's handler list, delegates in front
-			if ( selector ) {
-				handlers.splice( handlers.delegateCount++, 0, handleObj );
-			} else {
-				handlers.push( handleObj );
-			}
-
-			// Keep track of which events have ever been used, for event optimization
-			jQuery.event.global[ type ] = true;
-		}
-
-	},
-
-	// Detach an event or set of events from an element
-	remove: function( elem, types, handler, selector, mappedTypes ) {
-
-		var j, origCount, tmp,
-			events, t, handleObj,
-			special, handlers, type, namespaces, origType,
-			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
-
-		if ( !elemData || !( events = elemData.events ) ) {
-			return;
-		}
-
-		// Once for each type.namespace in types; type may be omitted
-		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
-		t = types.length;
-		while ( t-- ) {
-			tmp = rtypenamespace.exec( types[ t ] ) || [];
-			type = origType = tmp[ 1 ];
-			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
-
-			// Unbind all events (on this namespace, if provided) for the element
-			if ( !type ) {
-				for ( type in events ) {
-					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
-				}
-				continue;
-			}
-
-			special = jQuery.event.special[ type ] || {};
-			type = ( selector ? special.delegateType : special.bindType ) || type;
-			handlers = events[ type ] || [];
-			tmp = tmp[ 2 ] &&
-				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
-
-			// Remove matching events
-			origCount = j = handlers.length;
-			while ( j-- ) {
-				handleObj = handlers[ j ];
-
-				if ( ( mappedTypes || origType === handleObj.origType ) &&
-					( !handler || handler.guid === handleObj.guid ) &&
-					( !tmp || tmp.test( handleObj.namespace ) ) &&
-					( !selector || selector === handleObj.selector ||
-						selector === "**" && handleObj.selector ) ) {
-					handlers.splice( j, 1 );
-
-					if ( handleObj.selector ) {
-						handlers.delegateCount--;
-					}
-					if ( special.remove ) {
-						special.remove.call( elem, handleObj );
-					}
-				}
-			}
-
-			// Remove generic event handler if we removed something and no more handlers exist
-			// (avoids potential for endless recursion during removal of special event handlers)
-			if ( origCount && !handlers.length ) {
-				if ( !special.teardown ||
-					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
-
-					jQuery.removeEvent( elem, type, elemData.handle );
-				}
-
-				delete events[ type ];
-			}
-		}
-
-		// Remove data and the expando if it's no longer used
-		if ( jQuery.isEmptyObject( events ) ) {
-			dataPriv.remove( elem, "handle events" );
-		}
-	},
-
-	dispatch: function( nativeEvent ) {
-
-		var i, j, ret, matched, handleObj, handlerQueue,
-			args = new Array( arguments.length ),
-
-			// Make a writable jQuery.Event from the native event object
-			event = jQuery.event.fix( nativeEvent ),
-
-			handlers = (
-					dataPriv.get( this, "events" ) || Object.create( null )
-				)[ event.type ] || [],
-			special = jQuery.event.special[ event.type ] || {};
-
-		// Use the fix-ed jQuery.Event rather than the (read-only) native event
-		args[ 0 ] = event;
-
-		for ( i = 1; i < arguments.length; i++ ) {
-			args[ i ] = arguments[ i ];
-		}
-
-		event.delegateTarget = this;
-
-		// Call the preDispatch hook for the mapped type, and let it bail if desired
-		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
-			return;
-		}
-
-		// Determine handlers
-		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
-
-		// Run delegates first; they may want to stop propagation beneath us
-		i = 0;
-		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
-			event.currentTarget = matched.elem;
-
-			j = 0;
-			while ( ( handleObj = matched.handlers[ j++ ] ) &&
-				!event.isImmediatePropagationStopped() ) {
-
-				// If the event is namespaced, then each handler is only invoked if it is
-				// specially universal or its namespaces are a superset of the event's.
-				if ( !event.rnamespace || handleObj.namespace === false ||
-					event.rnamespace.test( handleObj.namespace ) ) {
-
-					event.handleObj = handleObj;
-					event.data = handleObj.data;
-
-					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
-						handleObj.handler ).apply( matched.elem, args );
-
-					if ( ret !== undefined ) {
-						if ( ( event.result = ret ) === false ) {
-							event.preventDefault();
-							event.stopPropagation();
-						}
-					}
-				}
-			}
-		}
-
-		// Call the postDispatch hook for the mapped type
-		if ( special.postDispatch ) {
-			special.postDispatch.call( this, event );
-		}
-
-		return event.result;
-	},
-
-	handlers: function( event, handlers ) {
-		var i, handleObj, sel, matchedHandlers, matchedSelectors,
-			handlerQueue = [],
-			delegateCount = handlers.delegateCount,
-			cur = event.target;
-
-		// Find delegate handlers
-		if ( delegateCount &&
-
-			// Support: IE <=9
-			// Black-hole SVG <use> instance trees (trac-13180)
-			cur.nodeType &&
-
-			// Support: Firefox <=42
-			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
-			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
-			// Support: IE 11 only
-			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
-			!( event.type === "click" && event.button >= 1 ) ) {
-
-			for ( ; cur !== this; cur = cur.parentNode || this ) {
-
-				// Don't check non-elements (#13208)
-				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
-				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
-					matchedHandlers = [];
-					matchedSelectors = {};
-					for ( i = 0; i < delegateCount; i++ ) {
-						handleObj = handlers[ i ];
-
-						// Don't conflict with Object.prototype properties (#13203)
-						sel = handleObj.selector + " ";
-
-						if ( matchedSelectors[ sel ] === undefined ) {
-							matchedSelectors[ sel ] = handleObj.needsContext ?
-								jQuery( sel, this ).index( cur ) > -1 :
-								jQuery.find( sel, this, null, [ cur ] ).length;
-						}
-						if ( matchedSelectors[ sel ] ) {
-							matchedHandlers.push( handleObj );
-						}
-					}
-					if ( matchedHandlers.length ) {
-						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
-					}
-				}
-			}
-		}
-
-		// Add the remaining (directly-bound) handlers
-		cur = this;
-		if ( delegateCount < handlers.length ) {
-			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
-		}
-
-		return handlerQueue;
-	},
-
-	addProp: function( name, hook ) {
-		Object.defineProperty( jQuery.Event.prototype, name, {
-			enumerable: true,
-			configurable: true,
-
-			get: isFunction( hook ) ?
-				function() {
-					if ( this.originalEvent ) {
-							return hook( this.originalEvent );
-					}
-				} :
-				function() {
-					if ( this.originalEvent ) {
-							return this.originalEvent[ name ];
-					}
-				},
-
-			set: function( value ) {
-				Object.defineProperty( this, name, {
-					enumerable: true,
-					configurable: true,
-					writable: true,
-					value: value
-				} );
-			}
-		} );
-	},
-
-	fix: function( originalEvent ) {
-		return originalEvent[ jQuery.expando ] ?
-			originalEvent :
-			new jQuery.Event( originalEvent );
-	},
-
-	special: {
-		load: {
-
-			// Prevent triggered image.load events from bubbling to window.load
-			noBubble: true
-		},
-		click: {
-
-			// Utilize native event to ensure correct state for checkable inputs
-			setup: function( data ) {
-
-				// For mutual compressibility with _default, replace `this` access with a local var.
-				// `|| data` is dead code meant only to preserve the variable through minification.
-				var el = this || data;
-
-				// Claim the first handler
-				if ( rcheckableType.test( el.type ) &&
-					el.click && nodeName( el, "input" ) ) {
-
-					// dataPriv.set( el, "click", ... )
-					leverageNative( el, "click", returnTrue );
-				}
-
-				// Return false to allow normal processing in the caller
-				return false;
-			},
-			trigger: function( data ) {
-
-				// For mutual compressibility with _default, replace `this` access with a local var.
-				// `|| data` is dead code meant only to preserve the variable through minification.
-				var el = this || data;
-
-				// Force setup before triggering a click
-				if ( rcheckableType.test( el.type ) &&
-					el.click && nodeName( el, "input" ) ) {
-
-					leverageNative( el, "click" );
-				}
-
-				// Return non-false to allow normal event-path propagation
-				return true;
-			},
-
-			// For cross-browser consistency, suppress native .click() on links
-			// Also prevent it if we're currently inside a leveraged native-event stack
-			_default: function( event ) {
-				var target = event.target;
-				return rcheckableType.test( target.type ) &&
-					target.click && nodeName( target, "input" ) &&
-					dataPriv.get( target, "click" ) ||
-					nodeName( target, "a" );
-			}
-		},
-
-		beforeunload: {
-			postDispatch: function( event ) {
-
-				// Support: Firefox 20+
-				// Firefox doesn't alert if the returnValue field is not set.
-				if ( event.result !== undefined && event.originalEvent ) {
-					event.originalEvent.returnValue = event.result;
-				}
-			}
-		}
-	}
-};
-
-// Ensure the presence of an event listener that handles manually-triggered
-// synthetic events by interrupting progress until reinvoked in response to
-// *native* events that it fires directly, ensuring that state changes have
-// already occurred before other listeners are invoked.
-function leverageNative( el, type, expectSync ) {
-
-	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
-	if ( !expectSync ) {
-		if ( dataPriv.get( el, type ) === undefined ) {
-			jQuery.event.add( el, type, returnTrue );
-		}
-		return;
-	}
-
-	// Register the controller as a special universal handler for all event namespaces
-	dataPriv.set( el, type, false );
-	jQuery.event.add( el, type, {
-		namespace: false,
-		handler: function( event ) {
-			var notAsync, result,
-				saved = dataPriv.get( this, type );
-
-			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
-
-				// Interrupt processing of the outer synthetic .trigger()ed event
-				// Saved data should be false in such cases, but might be a leftover capture object
-				// from an async native handler (gh-4350)
-				if ( !saved.length ) {
-
-					// Store arguments for use when handling the inner native event
-					// There will always be at least one argument (an event object), so this array
-					// will not be confused with a leftover capture object.
-					saved = slice.call( arguments );
-					dataPriv.set( this, type, saved );
-
-					// Trigger the native event and capture its result
-					// Support: IE <=9 - 11+
-					// focus() and blur() are asynchronous
-					notAsync = expectSync( this, type );
-					this[ type ]();
-					result = dataPriv.get( this, type );
-					if ( saved !== result || notAsync ) {
-						dataPriv.set( this, type, false );
-					} else {
-						result = {};
-					}
-					if ( saved !== result ) {
-
-						// Cancel the outer synthetic event
-						event.stopImmediatePropagation();
-						event.preventDefault();
-						return result.value;
-					}
-
-				// If this is an inner synthetic event for an event with a bubbling surrogate
-				// (focus or blur), assume that the surrogate already propagated from triggering the
-				// native event and prevent that from happening again here.
-				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
-				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
-				// less bad than duplication.
-				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
-					event.stopPropagation();
-				}
-
-			// If this is a native event triggered above, everything is now in order
-			// Fire an inner synthetic event with the original arguments
-			} else if ( saved.length ) {
-
-				// ...and capture the result
-				dataPriv.set( this, type, {
-					value: jQuery.event.trigger(
-
-						// Support: IE <=9 - 11+
-						// Extend with the prototype to reset the above stopImmediatePropagation()
-						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
-						saved.slice( 1 ),
-						this
-					)
-				} );
-
-				// Abort handling of the native event
-				event.stopImmediatePropagation();
-			}
-		}
-	} );
-}
-
-jQuery.removeEvent = function( elem, type, handle ) {
-
-	// This "if" is needed for plain objects
-	if ( elem.removeEventListener ) {
-		elem.removeEventListener( type, handle );
-	}
-};
-
-jQuery.Event = function( src, props ) {
-
-	// Allow instantiation without the 'new' keyword
-	if ( !( this instanceof jQuery.Event ) ) {
-		return new jQuery.Event( src, props );
-	}
-
-	// Event object
-	if ( src && src.type ) {
-		this.originalEvent = src;
-		this.type = src.type;
-
-		// Events bubbling up the document may have been marked as prevented
-		// by a handler lower down the tree; reflect the correct value.
-		this.isDefaultPrevented = src.defaultPrevented ||
-				src.defaultPrevented === undefined &&
-
-				// Support: Android <=2.3 only
-				src.returnValue === false ?
-			returnTrue :
-			returnFalse;
-
-		// Create target properties
-		// Support: Safari <=6 - 7 only
-		// Target should not be a text node (#504, #13143)
-		this.target = ( src.target && src.target.nodeType === 3 ) ?
-			src.target.parentNode :
-			src.target;
-
-		this.currentTarget = src.currentTarget;
-		this.relatedTarget = src.relatedTarget;
-
-	// Event type
-	} else {
-		this.type = src;
-	}
-
-	// Put explicitly provided properties onto the event object
-	if ( props ) {
-		jQuery.extend( this, props );
-	}
-
-	// Create a timestamp if incoming event doesn't have one
-	this.timeStamp = src && src.timeStamp || Date.now();
-
-	// Mark it as fixed
-	this[ jQuery.expando ] = true;
-};
-
-// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
-// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
-jQuery.Event.prototype = {
-	constructor: jQuery.Event,
-	isDefaultPrevented: returnFalse,
-	isPropagationStopped: returnFalse,
-	isImmediatePropagationStopped: returnFalse,
-	isSimulated: false,
-
-	preventDefault: function() {
-		var e = this.originalEvent;
-
-		this.isDefaultPrevented = returnTrue;
-
-		if ( e && !this.isSimulated ) {
-			e.preventDefault();
-		}
-	},
-	stopPropagation: function() {
-		var e = this.originalEvent;
-
-		this.isPropagationStopped = returnTrue;
-
-		if ( e && !this.isSimulated ) {
-			e.stopPropagation();
-		}
-	},
-	stopImmediatePropagation: function() {
-		var e = this.originalEvent;
-
-		this.isImmediatePropagationStopped = returnTrue;
-
-		if ( e && !this.isSimulated ) {
-			e.stopImmediatePropagation();
-		}
-
-		this.stopPropagation();
-	}
-};
-
-// Includes all common event props including KeyEvent and MouseEvent specific props
-jQuery.each( {
-	altKey: true,
-	bubbles: true,
-	cancelable: true,
-	changedTouches: true,
-	ctrlKey: true,
-	detail: true,
-	eventPhase: true,
-	metaKey: true,
-	pageX: true,
-	pageY: true,
-	shiftKey: true,
-	view: true,
-	"char": true,
-	code: true,
-	charCode: true,
-	key: true,
-	keyCode: true,
-	button: true,
-	buttons: true,
-	clientX: true,
-	clientY: true,
-	offsetX: true,
-	offsetY: true,
-	pointerId: true,
-	pointerType: true,
-	screenX: true,
-	screenY: true,
-	targetTouches: true,
-	toElement: true,
-	touches: true,
-
-	which: function( event ) {
-		var button = event.button;
-
-		// Add which for key events
-		if ( event.which == null && rkeyEvent.test( event.type ) ) {
-			return event.charCode != null ? event.charCode : event.keyCode;
-		}
-
-		// Add which for click: 1 === left; 2 === middle; 3 === right
-		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
-			if ( button & 1 ) {
-				return 1;
-			}
-
-			if ( button & 2 ) {
-				return 3;
-			}
-
-			if ( button & 4 ) {
-				return 2;
-			}
-
-			return 0;
-		}
-
-		return event.which;
-	}
-}, jQuery.event.addProp );
-
-jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
-	jQuery.event.special[ type ] = {
-
-		// Utilize native event if possible so blur/focus sequence is correct
-		setup: function() {
-
-			// Claim the first handler
-			// dataPriv.set( this, "focus", ... )
-			// dataPriv.set( this, "blur", ... )
-			leverageNative( this, type, expectSync );
-
-			// Return false to allow normal processing in the caller
-			return false;
-		},
-		trigger: function() {
-
-			// Force setup before trigger
-			leverageNative( this, type );
-
-			// Return non-false to allow normal event-path propagation
-			return true;
-		},
-
-		delegateType: delegateType
-	};
-} );
-
-// Create mouseenter/leave events using mouseover/out and event-time checks
-// so that event delegation works in jQuery.
-// Do the same for pointerenter/pointerleave and pointerover/pointerout
-//
-// Support: Safari 7 only
-// Safari sends mouseenter too often; see:
-// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
-// for the description of the bug (it existed in older Chrome versions as well).
-jQuery.each( {
-	mouseenter: "mouseover",
-	mouseleave: "mouseout",
-	pointerenter: "pointerover",
-	pointerleave: "pointerout"
-}, function( orig, fix ) {
-	jQuery.event.special[ orig ] = {
-		delegateType: fix,
-		bindType: fix,
-
-		handle: function( event ) {
-			var ret,
-				target = this,
-				related = event.relatedTarget,
-				handleObj = event.handleObj;
-
-			// For mouseenter/leave call the handler if related is outside the target.
-			// NB: No relatedTarget if the mouse left/entered the browser window
-			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
-				event.type = handleObj.origType;
-				ret = handleObj.handler.apply( this, arguments );
-				event.type = fix;
-			}
-			return ret;
-		}
-	};
-} );
-
-jQuery.fn.extend( {
-
-	on: function( types, selector, data, fn ) {
-		return on( this, types, selector, data, fn );
-	},
-	one: function( types, selector, data, fn ) {
-		return on( this, types, selector, data, fn, 1 );
-	},
-	off: function( types, selector, fn ) {
-		var handleObj, type;
-		if ( types && types.preventDefault && types.handleObj ) {
-
-			// ( event )  dispatched jQuery.Event
-			handleObj = types.handleObj;
-			jQuery( types.delegateTarget ).off(
-				handleObj.namespace ?
-					handleObj.origType + "." + handleObj.namespace :
-					handleObj.origType,
-				handleObj.selector,
-				handleObj.handler
-			);
-			return this;
-		}
-		if ( typeof types === "object" ) {
-
-			// ( types-object [, selector] )
-			for ( type in types ) {
-				this.off( type, selector, types[ type ] );
-			}
-			return this;
-		}
-		if ( selector === false || typeof selector === "function" ) {
-
-			// ( types [, fn] )
-			fn = selector;
-			selector = undefined;
-		}
-		if ( fn === false ) {
-			fn = returnFalse;
-		}
-		return this.each( function() {
-			jQuery.event.remove( this, types, fn, selector );
-		} );
-	}
-} );
-
-
-var
-
-	// Support: IE <=10 - 11, Edge 12 - 13 only
-	// In IE/Edge using regex groups here causes severe slowdowns.
-	// See https://connect.microsoft.com/IE/feedback/details/1736512/
-	rnoInnerhtml = /<script|<style|<link/i,
-
-	// checked="checked" or checked
-	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
-	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
-
-// Prefer a tbody over its parent table for containing new rows
-function manipulationTarget( elem, content ) {
-	if ( nodeName( elem, "table" ) &&
-		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
-
-		return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
-	}
-
-	return elem;
-}
-
-// Replace/restore the type attribute of script elements for safe DOM manipulation
-function disableScript( elem ) {
-	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
-	return elem;
-}
-function restoreScript( elem ) {
-	if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
-		elem.type = elem.type.slice( 5 );
-	} else {
-		elem.removeAttribute( "type" );
-	}
-
-	return elem;
-}
-
-function cloneCopyEvent( src, dest ) {
-	var i, l, type, pdataOld, udataOld, udataCur, events;
-
-	if ( dest.nodeType !== 1 ) {
-		return;
-	}
-
-	// 1. Copy private data: events, handlers, etc.
-	if ( dataPriv.hasData( src ) ) {
-		pdataOld = dataPriv.get( src );
-		events = pdataOld.events;
-
-		if ( events ) {
-			dataPriv.remove( dest, "handle events" );
-
-			for ( type in events ) {
-				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
-					jQuery.event.add( dest, type, events[ type ][ i ] );
-				}
-			}
-		}
-	}
-
-	// 2. Copy user data
-	if ( dataUser.hasData( src ) ) {
-		udataOld = dataUser.access( src );
-		udataCur = jQuery.extend( {}, udataOld );
-
-		dataUser.set( dest, udataCur );
-	}
-}
-
-// Fix IE bugs, see support tests
-function fixInput( src, dest ) {
-	var nodeName = dest.nodeName.toLowerCase();
-
-	// Fails to persist the checked state of a cloned checkbox or radio button.
-	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
-		dest.checked = src.checked;
-
-	// Fails to return the selected option to the default selected state when cloning options
-	} else if ( nodeName === "input" || nodeName === "textarea" ) {
-		dest.defaultValue = src.defaultValue;
-	}
-}
-
-function domManip( collection, args, callback, ignored ) {
-
-	// Flatten any nested arrays
-	args = flat( args );
-
-	var fragment, first, scripts, hasScripts, node, doc,
-		i = 0,
-		l = collection.length,
-		iNoClone = l - 1,
-		value = args[ 0 ],
-		valueIsFunction = isFunction( value );
-
-	// We can't cloneNode fragments that contain checked, in WebKit
-	if ( valueIsFunction ||
-			( l > 1 && typeof value === "string" &&
-				!support.checkClone && rchecked.test( value ) ) ) {
-		return collection.each( function( index ) {
-			var self = collection.eq( index );
-			if ( valueIsFunction ) {
-				args[ 0 ] = value.call( this, index, self.html() );
-			}
-			domManip( self, args, callback, ignored );
-		} );
-	}
-
-	if ( l ) {
-		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
-		first = fragment.firstChild;
-
-		if ( fragment.childNodes.length === 1 ) {
-			fragment = first;
-		}
-
-		// Require either new content or an interest in ignored elements to invoke the callback
-		if ( first || ignored ) {
-			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
-			hasScripts = scripts.length;
-
-			// Use the original fragment for the last item
-			// instead of the first because it can end up
-			// being emptied incorrectly in certain situations (#8070).
-			for ( ; i < l; i++ ) {
-				node = fragment;
-
-				if ( i !== iNoClone ) {
-					node = jQuery.clone( node, true, true );
-
-					// Keep references to cloned scripts for later restoration
-					if ( hasScripts ) {
-
-						// Support: Android <=4.0 only, PhantomJS 1 only
-						// push.apply(_, arraylike) throws on ancient WebKit
-						jQuery.merge( scripts, getAll( node, "script" ) );
-					}
-				}
-
-				callback.call( collection[ i ], node, i );
-			}
-
-			if ( hasScripts ) {
-				doc = scripts[ scripts.length - 1 ].ownerDocument;
-
-				// Reenable scripts
-				jQuery.map( scripts, restoreScript );
-
-				// Evaluate executable scripts on first document insertion
-				for ( i = 0; i < hasScripts; i++ ) {
-					node = scripts[ i ];
-					if ( rscriptType.test( node.type || "" ) &&
-						!dataPriv.access( node, "globalEval" ) &&
-						jQuery.contains( doc, node ) ) {
-
-						if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
-
-							// Optional AJAX dependency, but won't run scripts if not present
-							if ( jQuery._evalUrl && !node.noModule ) {
-								jQuery._evalUrl( node.src, {
-									nonce: node.nonce || node.getAttribute( "nonce" )
-								}, doc );
-							}
-						} else {
-							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return collection;
-}
-
-function remove( elem, selector, keepData ) {
-	var node,
-		nodes = selector ? jQuery.filter( selector, elem ) : elem,
-		i = 0;
-
-	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
-		if ( !keepData && node.nodeType === 1 ) {
-			jQuery.cleanData( getAll( node ) );
-		}
-
-		if ( node.parentNode ) {
-			if ( keepData && isAttached( node ) ) {
-				setGlobalEval( getAll( node, "script" ) );
-			}
-			node.parentNode.removeChild( node );
-		}
-	}
-
-	return elem;
-}
-
-jQuery.extend( {
-	htmlPrefilter: function( html ) {
-		return html;
-	},
-
-	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
-		var i, l, srcElements, destElements,
-			clone = elem.cloneNode( true ),
-			inPage = isAttached( elem );
-
-		// Fix IE cloning issues
-		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
-				!jQuery.isXMLDoc( elem ) ) {
-
-			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
-			destElements = getAll( clone );
-			srcElements = getAll( elem );
-
-			for ( i = 0, l = srcElements.length; i < l; i++ ) {
-				fixInput( srcElements[ i ], destElements[ i ] );
-			}
-		}
-
-		// Copy the events from the original to the clone
-		if ( dataAndEvents ) {
-			if ( deepDataAndEvents ) {
-				srcElements = srcElements || getAll( elem );
-				destElements = destElements || getAll( clone );
-
-				for ( i = 0, l = srcElements.length; i < l; i++ ) {
-					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
-				}
-			} else {
-				cloneCopyEvent( elem, clone );
-			}
-		}
-
-		// Preserve script evaluation history
-		destElements = getAll( clone, "script" );
-		if ( destElements.length > 0 ) {
-			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
-		}
-
-		// Return the cloned set
-		return clone;
-	},
-
-	cleanData: function( elems ) {
-		var data, elem, type,
-			special = jQuery.event.special,
-			i = 0;
-
-		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
-			if ( acceptData( elem ) ) {
-				if ( ( data = elem[ dataPriv.expando ] ) ) {
-					if ( data.events ) {
-						for ( type in data.events ) {
-							if ( special[ type ] ) {
-								jQuery.event.remove( elem, type );
-
-							// This is a shortcut to avoid jQuery.event.remove's overhead
-							} else {
-								jQuery.removeEvent( elem, type, data.handle );
-							}
-						}
-					}
-
-					// Support: Chrome <=35 - 45+
-					// Assign undefined instead of using delete, see Data#remove
-					elem[ dataPriv.expando ] = undefined;
-				}
-				if ( elem[ dataUser.expando ] ) {
-
-					// Support: Chrome <=35 - 45+
-					// Assign undefined instead of using delete, see Data#remove
-					elem[ dataUser.expando ] = undefined;
-				}
-			}
-		}
-	}
-} );
-
-jQuery.fn.extend( {
-	detach: function( selector ) {
-		return remove( this, selector, true );
-	},
-
-	remove: function( selector ) {
-		return remove( this, selector );
-	},
-
-	text: function( value ) {
-		return access( this, function( value ) {
-			return value === undefined ?
-				jQuery.text( this ) :
-				this.empty().each( function() {
-					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-						this.textContent = value;
-					}
-				} );
-		}, null, value, arguments.length );
-	},
-
-	append: function() {
-		return domManip( this, arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.appendChild( elem );
-			}
-		} );
-	},
-
-	prepend: function() {
-		return domManip( this, arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.insertBefore( elem, target.firstChild );
-			}
-		} );
-	},
-
-	before: function() {
-		return domManip( this, arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this );
-			}
-		} );
-	},
-
-	after: function() {
-		return domManip( this, arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this.nextSibling );
-			}
-		} );
-	},
-
-	empty: function() {
-		var elem,
-			i = 0;
-
-		for ( ; ( elem = this[ i ] ) != null; i++ ) {
-			if ( elem.nodeType === 1 ) {
-
-				// Prevent memory leaks
-				jQuery.cleanData( getAll( elem, false ) );
-
-				// Remove any remaining nodes
-				elem.textContent = "";
-			}
-		}
-
-		return this;
-	},
-
-	clone: function( dataAndEvents, deepDataAndEvents ) {
-		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
-		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
-
-		return this.map( function() {
-			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
-		} );
-	},
-
-	html: function( value ) {
-		return access( this, function( value ) {
-			var elem = this[ 0 ] || {},
-				i = 0,
-				l = this.length;
-
-			if ( value === undefined && elem.nodeType === 1 ) {
-				return elem.innerHTML;
-			}
-
-			// See if we can take a shortcut and just use innerHTML
-			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
-				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
-
-				value = jQuery.htmlPrefilter( value );
-
-				try {
-					for ( ; i < l; i++ ) {
-						elem = this[ i ] || {};
-
-						// Remove element nodes and prevent memory leaks
-						if ( elem.nodeType === 1 ) {
-							jQuery.cleanData( getAll( elem, false ) );
-							elem.innerHTML = value;
-						}
-					}
-
-					elem = 0;
-
-				// If using innerHTML throws an exception, use the fallback method
-				} catch ( e ) {}
-			}
-
-			if ( elem ) {
-				this.empty().append( value );
-			}
-		}, null, value, arguments.length );
-	},
-
-	replaceWith: function() {
-		var ignored = [];
-
-		// Make the changes, replacing each non-ignored context element with the new content
-		return domManip( this, arguments, function( elem ) {
-			var parent = this.parentNode;
-
-			if ( jQuery.inArray( this, ignored ) < 0 ) {
-				jQuery.cleanData( getAll( this ) );
-				if ( parent ) {
-					parent.replaceChild( elem, this );
-				}
-			}
-
-		// Force callback invocation
-		}, ignored );
-	}
-} );
-
-jQuery.each( {
-	appendTo: "append",
-	prependTo: "prepend",
-	insertBefore: "before",
-	insertAfter: "after",
-	replaceAll: "replaceWith"
-}, function( name, original ) {
-	jQuery.fn[ name ] = function( selector ) {
-		var elems,
-			ret = [],
-			insert = jQuery( selector ),
-			last = insert.length - 1,
-			i = 0;
-
-		for ( ; i <= last; i++ ) {
-			elems = i === last ? this : this.clone( true );
-			jQuery( insert[ i ] )[ original ]( elems );
-
-			// Support: Android <=4.0 only, PhantomJS 1 only
-			// .get() because push.apply(_, arraylike) throws on ancient WebKit
-			push.apply( ret, elems.get() );
-		}
-
-		return this.pushStack( ret );
-	};
-} );
-var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
-
-var getStyles = function( elem ) {
-
-		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
-		// IE throws on elements created in popups
-		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
-		var view = elem.ownerDocument.defaultView;
-
-		if ( !view || !view.opener ) {
-			view = window;
-		}
-
-		return view.getComputedStyle( elem );
-	};
-
-var swap = function( elem, options, callback ) {
-	var ret, name,
-		old = {};
-
-	// Remember the old values, and insert the new ones
-	for ( name in options ) {
-		old[ name ] = elem.style[ name ];
-		elem.style[ name ] = options[ name ];
-	}
-
-	ret = callback.call( elem );
-
-	// Revert the old values
-	for ( name in options ) {
-		elem.style[ name ] = old[ name ];
-	}
-
-	return ret;
-};
-
-
-var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
-
-
-
-( function() {
-
-	// Executing both pixelPosition & boxSizingReliable tests require only one layout
-	// so they're executed at the same time to save the second computation.
-	function computeStyleTests() {
-
-		// This is a singleton, we need to execute it only once
-		if ( !div ) {
-			return;
-		}
-
-		container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
-			"margin-top:1px;padding:0;border:0";
-		div.style.cssText =
-			"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
-			"margin:auto;border:1px;padding:1px;" +
-			"width:60%;top:1%";
-		documentElement.appendChild( container ).appendChild( div );
-
-		var divStyle = window.getComputedStyle( div );
-		pixelPositionVal = divStyle.top !== "1%";
-
-		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
-		reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
-
-		// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
-		// Some styles come back with percentage values, even though they shouldn't
-		div.style.right = "60%";
-		pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
-
-		// Support: IE 9 - 11 only
-		// Detect misreporting of content dimensions for box-sizing:border-box elements
-		boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
-
-		// Support: IE 9 only
-		// Detect overflow:scroll screwiness (gh-3699)
-		// Support: Chrome <=64
-		// Don't get tricked when zoom affects offsetWidth (gh-4029)
-		div.style.position = "absolute";
-		scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
-
-		documentElement.removeChild( container );
-
-		// Nullify the div so it wouldn't be stored in the memory and
-		// it will also be a sign that checks already performed
-		div = null;
-	}
-
-	function roundPixelMeasures( measure ) {
-		return Math.round( parseFloat( measure ) );
-	}
-
-	var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
-		reliableTrDimensionsVal, reliableMarginLeftVal,
-		container = document.createElement( "div" ),
-		div = document.createElement( "div" );
-
-	// Finish early in limited (non-browser) environments
-	if ( !div.style ) {
-		return;
-	}
-
-	// Support: IE <=9 - 11 only
-	// Style of cloned element affects source element cloned (#8908)
-	div.style.backgroundClip = "content-box";
-	div.cloneNode( true ).style.backgroundClip = "";
-	support.clearCloneStyle = div.style.backgroundClip === "content-box";
-
-	jQuery.extend( support, {
-		boxSizingReliable: function() {
-			computeStyleTests();
-			return boxSizingReliableVal;
-		},
-		pixelBoxStyles: function() {
-			computeStyleTests();
-			return pixelBoxStylesVal;
-		},
-		pixelPosition: function() {
-			computeStyleTests();
-			return pixelPositionVal;
-		},
-		reliableMarginLeft: function() {
-			computeStyleTests();
-			return reliableMarginLeftVal;
-		},
-		scrollboxSize: function() {
-			computeStyleTests();
-			return scrollboxSizeVal;
-		},
-
-		// Support: IE 9 - 11+, Edge 15 - 18+
-		// IE/Edge misreport `getComputedStyle` of table rows with width/height
-		// set in CSS while `offset*` properties report correct values.
-		// Behavior in IE 9 is more subtle than in newer versions & it passes
-		// some versions of this test; make sure not to make it pass there!
-		reliableTrDimensions: function() {
-			var table, tr, trChild, trStyle;
-			if ( reliableTrDimensionsVal == null ) {
-				table = document.createElement( "table" );
-				tr = document.createElement( "tr" );
-				trChild = document.createElement( "div" );
-
-				table.style.cssText = "position:absolute;left:-11111px";
-				tr.style.height = "1px";
-				trChild.style.height = "9px";
-
-				documentElement
-					.appendChild( table )
-					.appendChild( tr )
-					.appendChild( trChild );
-
-				trStyle = window.getComputedStyle( tr );
-				reliableTrDimensionsVal = parseInt( trStyle.height ) > 3;
-
-				documentElement.removeChild( table );
-			}
-			return reliableTrDimensionsVal;
-		}
-	} );
-} )();
-
-
-function curCSS( elem, name, computed ) {
-	var width, minWidth, maxWidth, ret,
-
-		// Support: Firefox 51+
-		// Retrieving style before computed somehow
-		// fixes an issue with getting wrong values
-		// on detached elements
-		style = elem.style;
-
-	computed = computed || getStyles( elem );
-
-	// getPropertyValue is needed for:
-	//   .css('filter') (IE 9 only, #12537)
-	//   .css('--customProperty) (#3144)
-	if ( computed ) {
-		ret = computed.getPropertyValue( name ) || computed[ name ];
-
-		if ( ret === "" && !isAttached( elem ) ) {
-			ret = jQuery.style( elem, name );
-		}
-
-		// A tribute to the "awesome hack by Dean Edwards"
-		// Android Browser returns percentage for some values,
-		// but width seems to be reliably pixels.
-		// This is against the CSSOM draft spec:
-		// https://drafts.csswg.org/cssom/#resolved-values
-		if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
-
-			// Remember the original values
-			width = style.width;
-			minWidth = style.minWidth;
-			maxWidth = style.maxWidth;
-
-			// Put in the new values to get a computed value out
-			style.minWidth = style.maxWidth = style.width = ret;
-			ret = computed.width;
-
-			// Revert the changed values
-			style.width = width;
-			style.minWidth = minWidth;
-			style.maxWidth = maxWidth;
-		}
-	}
-
-	return ret !== undefined ?
-
-		// Support: IE <=9 - 11 only
-		// IE returns zIndex value as an integer.
-		ret + "" :
-		ret;
-}
-
-
-function addGetHookIf( conditionFn, hookFn ) {
-
-	// Define the hook, we'll check on the first run if it's really needed.
-	return {
-		get: function() {
-			if ( conditionFn() ) {
-
-				// Hook not needed (or it's not possible to use it due
-				// to missing dependency), remove it.
-				delete this.get;
-				return;
-			}
-
-			// Hook needed; redefine it so that the support test is not executed again.
-			return ( this.get = hookFn ).apply( this, arguments );
-		}
-	};
-}
-
-
-var cssPrefixes = [ "Webkit", "Moz", "ms" ],
-	emptyStyle = document.createElement( "div" ).style,
-	vendorProps = {};
-
-// Return a vendor-prefixed property or undefined
-function vendorPropName( name ) {
-
-	// Check for vendor prefixed names
-	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
-		i = cssPrefixes.length;
-
-	while ( i-- ) {
-		name = cssPrefixes[ i ] + capName;
-		if ( name in emptyStyle ) {
-			return name;
-		}
-	}
-}
-
-// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
-function finalPropName( name ) {
-	var final = jQuery.cssProps[ name ] || vendorProps[ name ];
-
-	if ( final ) {
-		return final;
-	}
-	if ( name in emptyStyle ) {
-		return name;
-	}
-	return vendorProps[ name ] = vendorPropName( name ) || name;
-}
-
-
-var
-
-	// Swappable if display is none or starts with table
-	// except "table", "table-cell", or "table-caption"
-	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
-	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
-	rcustomProp = /^--/,
-	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
-	cssNormalTransform = {
-		letterSpacing: "0",
-		fontWeight: "400"
-	};
-
-function setPositiveNumber( _elem, value, subtract ) {
-
-	// Any relative (+/-) values have already been
-	// normalized at this point
-	var matches = rcssNum.exec( value );
-	return matches ?
-
-		// Guard against undefined "subtract", e.g., when used as in cssHooks
-		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
-		value;
-}
-
-function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
-	var i = dimension === "width" ? 1 : 0,
-		extra = 0,
-		delta = 0;
-
-	// Adjustment may not be necessary
-	if ( box === ( isBorderBox ? "border" : "content" ) ) {
-		return 0;
-	}
-
-	for ( ; i < 4; i += 2 ) {
-
-		// Both box models exclude margin
-		if ( box === "margin" ) {
-			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
-		}
-
-		// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
-		if ( !isBorderBox ) {
-
-			// Add padding
-			delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
-
-			// For "border" or "margin", add border
-			if ( box !== "padding" ) {
-				delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
-
-			// But still keep track of it otherwise
-			} else {
-				extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
-			}
-
-		// If we get here with a border-box (content + padding + border), we're seeking "content" or
-		// "padding" or "margin"
-		} else {
-
-			// For "content", subtract padding
-			if ( box === "content" ) {
-				delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
-			}
-
-			// For "content" or "padding", subtract border
-			if ( box !== "margin" ) {
-				delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
-			}
-		}
-	}
-
-	// Account for positive content-box scroll gutter when requested by providing computedVal
-	if ( !isBorderBox && computedVal >= 0 ) {
-
-		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
-		// Assuming integer scroll gutter, subtract the rest and round down
-		delta += Math.max( 0, Math.ceil(
-			elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
-			computedVal -
-			delta -
-			extra -
-			0.5
-
-		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
-		// Use an explicit zero to avoid NaN (gh-3964)
-		) ) || 0;
-	}
-
-	return delta;
-}
-
-function getWidthOrHeight( elem, dimension, extra ) {
-
-	// Start with computed style
-	var styles = getStyles( elem ),
-
-		// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
-		// Fake content-box until we know it's needed to know the true value.
-		boxSizingNeeded = !support.boxSizingReliable() || extra,
-		isBorderBox = boxSizingNeeded &&
-			jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
-		valueIsBorderBox = isBorderBox,
-
-		val = curCSS( elem, dimension, styles ),
-		offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
-
-	// Support: Firefox <=54
-	// Return a confounding non-pixel value or feign ignorance, as appropriate.
-	if ( rnumnonpx.test( val ) ) {
-		if ( !extra ) {
-			return val;
-		}
-		val = "auto";
-	}
-
-
-	// Support: IE 9 - 11 only
-	// Use offsetWidth/offsetHeight for when box sizing is unreliable.
-	// In those cases, the computed value can be trusted to be border-box.
-	if ( ( !support.boxSizingReliable() && isBorderBox ||
-
-		// Support: IE 10 - 11+, Edge 15 - 18+
-		// IE/Edge misreport `getComputedStyle` of table rows with width/height
-		// set in CSS while `offset*` properties report correct values.
-		// Interestingly, in some cases IE 9 doesn't suffer from this issue.
-		!support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
-
-		// Fall back to offsetWidth/offsetHeight when value is "auto"
-		// This happens for inline elements with no explicit setting (gh-3571)
-		val === "auto" ||
-
-		// Support: Android <=4.1 - 4.3 only
-		// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
-		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
-
-		// Make sure the element is visible & connected
-		elem.getClientRects().length ) {
-
-		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
-
-		// Where available, offsetWidth/offsetHeight approximate border box dimensions.
-		// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
-		// retrieved value as a content box dimension.
-		valueIsBorderBox = offsetProp in elem;
-		if ( valueIsBorderBox ) {
-			val = elem[ offsetProp ];
-		}
-	}
-
-	// Normalize "" and auto
-	val = parseFloat( val ) || 0;
-
-	// Adjust for the element's box model
-	return ( val +
-		boxModelAdjustment(
-			elem,
-			dimension,
-			extra || ( isBorderBox ? "border" : "content" ),
-			valueIsBorderBox,
-			styles,
-
-			// Provide the current computed size to request scroll gutter calculation (gh-3589)
-			val
-		)
-	) + "px";
-}
-
-jQuery.extend( {
-
-	// Add in style property hooks for overriding the default
-	// behavior of getting and setting a style property
-	cssHooks: {
-		opacity: {
-			get: function( elem, computed ) {
-				if ( computed ) {
-
-					// We should always get a number back from opacity
-					var ret = curCSS( elem, "opacity" );
-					return ret === "" ? "1" : ret;
-				}
-			}
-		}
-	},
-
-	// Don't automatically add "px" to these possibly-unitless properties
-	cssNumber: {
-		"animationIterationCount": true,
-		"columnCount": true,
-		"fillOpacity": true,
-		"flexGrow": true,
-		"flexShrink": true,
-		"fontWeight": true,
-		"gridArea": true,
-		"gridColumn": true,
-		"gridColumnEnd": true,
-		"gridColumnStart": true,
-		"gridRow": true,
-		"gridRowEnd": true,
-		"gridRowStart": true,
-		"lineHeight": true,
-		"opacity": true,
-		"order": true,
-		"orphans": true,
-		"widows": true,
-		"zIndex": true,
-		"zoom": true
-	},
-
-	// Add in properties whose names you wish to fix before
-	// setting or getting the value
-	cssProps: {},
-
-	// Get and set the style property on a DOM Node
-	style: function( elem, name, value, extra ) {
-
-		// Don't set styles on text and comment nodes
-		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
-			return;
-		}
-
-		// Make sure that we're working with the right name
-		var ret, type, hooks,
-			origName = camelCase( name ),
-			isCustomProp = rcustomProp.test( name ),
-			style = elem.style;
-
-		// Make sure that we're working with the right name. We don't
-		// want to query the value if it is a CSS custom property
-		// since they are user-defined.
-		if ( !isCustomProp ) {
-			name = finalPropName( origName );
-		}
-
-		// Gets hook for the prefixed version, then unprefixed version
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// Check if we're setting a value
-		if ( value !== undefined ) {
-			type = typeof value;
-
-			// Convert "+=" or "-=" to relative numbers (#7345)
-			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
-				value = adjustCSS( elem, name, ret );
-
-				// Fixes bug #9237
-				type = "number";
-			}
-
-			// Make sure that null and NaN values aren't set (#7116)
-			if ( value == null || value !== value ) {
-				return;
-			}
-
-			// If a number was passed in, add the unit (except for certain CSS properties)
-			// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
-			// "px" to a few hardcoded values.
-			if ( type === "number" && !isCustomProp ) {
-				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
-			}
-
-			// background-* props affect original clone's values
-			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
-				style[ name ] = "inherit";
-			}
-
-			// If a hook was provided, use that value, otherwise just set the specified value
-			if ( !hooks || !( "set" in hooks ) ||
-				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
-
-				if ( isCustomProp ) {
-					style.setProperty( name, value );
-				} else {
-					style[ name ] = value;
-				}
-			}
-
-		} else {
-
-			// If a hook was provided get the non-computed value from there
-			if ( hooks && "get" in hooks &&
-				( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
-
-				return ret;
-			}
-
-			// Otherwise just get the value from the style object
-			return style[ name ];
-		}
-	},
-
-	css: function( elem, name, extra, styles ) {
-		var val, num, hooks,
-			origName = camelCase( name ),
-			isCustomProp = rcustomProp.test( name );
-
-		// Make sure that we're working with the right name. We don't
-		// want to modify the value if it is a CSS custom property
-		// since they are user-defined.
-		if ( !isCustomProp ) {
-			name = finalPropName( origName );
-		}
-
-		// Try prefixed name followed by the unprefixed name
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// If a hook was provided get the computed value from there
-		if ( hooks && "get" in hooks ) {
-			val = hooks.get( elem, true, extra );
-		}
-
-		// Otherwise, if a way to get the computed value exists, use that
-		if ( val === undefined ) {
-			val = curCSS( elem, name, styles );
-		}
-
-		// Convert "normal" to computed value
-		if ( val === "normal" && name in cssNormalTransform ) {
-			val = cssNormalTransform[ name ];
-		}
-
-		// Make numeric if forced or a qualifier was provided and val looks numeric
-		if ( extra === "" || extra ) {
-			num = parseFloat( val );
-			return extra === true || isFinite( num ) ? num || 0 : val;
-		}
-
-		return val;
-	}
-} );
-
-jQuery.each( [ "height", "width" ], function( _i, dimension ) {
-	jQuery.cssHooks[ dimension ] = {
-		get: function( elem, computed, extra ) {
-			if ( computed ) {
-
-				// Certain elements can have dimension info if we invisibly show them
-				// but it must have a current display style that would benefit
-				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
-
-					// Support: Safari 8+
-					// Table columns in Safari have non-zero offsetWidth & zero
-					// getBoundingClientRect().width unless display is changed.
-					// Support: IE <=11 only
-					// Running getBoundingClientRect on a disconnected node
-					// in IE throws an error.
-					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
-						swap( elem, cssShow, function() {
-							return getWidthOrHeight( elem, dimension, extra );
-						} ) :
-						getWidthOrHeight( elem, dimension, extra );
-			}
-		},
-
-		set: function( elem, value, extra ) {
-			var matches,
-				styles = getStyles( elem ),
-
-				// Only read styles.position if the test has a chance to fail
-				// to avoid forcing a reflow.
-				scrollboxSizeBuggy = !support.scrollboxSize() &&
-					styles.position === "absolute",
-
-				// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
-				boxSizingNeeded = scrollboxSizeBuggy || extra,
-				isBorderBox = boxSizingNeeded &&
-					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
-				subtract = extra ?
-					boxModelAdjustment(
-						elem,
-						dimension,
-						extra,
-						isBorderBox,
-						styles
-					) :
-					0;
-
-			// Account for unreliable border-box dimensions by comparing offset* to computed and
-			// faking a content-box to get border and padding (gh-3699)
-			if ( isBorderBox && scrollboxSizeBuggy ) {
-				subtract -= Math.ceil(
-					elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
-					parseFloat( styles[ dimension ] ) -
-					boxModelAdjustment( elem, dimension, "border", false, styles ) -
-					0.5
-				);
-			}
-
-			// Convert to pixels if value adjustment is needed
-			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
-				( matches[ 3 ] || "px" ) !== "px" ) {
-
-				elem.style[ dimension ] = value;
-				value = jQuery.css( elem, dimension );
-			}
-
-			return setPositiveNumber( elem, value, subtract );
-		}
-	};
-} );
-
-jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
-	function( elem, computed ) {
-		if ( computed ) {
-			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
-				elem.getBoundingClientRect().left -
-					swap( elem, { marginLeft: 0 }, function() {
-						return elem.getBoundingClientRect().left;
-					} )
-				) + "px";
-		}
-	}
-);
-
-// These hooks are used by animate to expand properties
-jQuery.each( {
-	margin: "",
-	padding: "",
-	border: "Width"
-}, function( prefix, suffix ) {
-	jQuery.cssHooks[ prefix + suffix ] = {
-		expand: function( value ) {
-			var i = 0,
-				expanded = {},
-
-				// Assumes a single number if not a string
-				parts = typeof value === "string" ? value.split( " " ) : [ value ];
-
-			for ( ; i < 4; i++ ) {
-				expanded[ prefix + cssExpand[ i ] + suffix ] =
-					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
-			}
-
-			return expanded;
-		}
-	};
-
-	if ( prefix !== "margin" ) {
-		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
-	}
-} );
-
-jQuery.fn.extend( {
-	css: function( name, value ) {
-		return access( this, function( elem, name, value ) {
-			var styles, len,
-				map = {},
-				i = 0;
-
-			if ( Array.isArray( name ) ) {
-				styles = getStyles( elem );
-				len = name.length;
-
-				for ( ; i < len; i++ ) {
-					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
-				}
-
-				return map;
-			}
-
-			return value !== undefined ?
-				jQuery.style( elem, name, value ) :
-				jQuery.css( elem, name );
-		}, name, value, arguments.length > 1 );
-	}
-} );
-
-
-function Tween( elem, options, prop, end, easing ) {
-	return new Tween.prototype.init( elem, options, prop, end, easing );
-}
-jQuery.Tween = Tween;
-
-Tween.prototype = {
-	constructor: Tween,
-	init: function( elem, options, prop, end, easing, unit ) {
-		this.elem = elem;
-		this.prop = prop;
-		this.easing = easing || jQuery.easing._default;
-		this.options = options;
-		this.start = this.now = this.cur();
-		this.end = end;
-		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
-	},
-	cur: function() {
-		var hooks = Tween.propHooks[ this.prop ];
-
-		return hooks && hooks.get ?
-			hooks.get( this ) :
-			Tween.propHooks._default.get( this );
-	},
-	run: function( percent ) {
-		var eased,
-			hooks = Tween.propHooks[ this.prop ];
-
-		if ( this.options.duration ) {
-			this.pos = eased = jQuery.easing[ this.easing ](
-				percent, this.options.duration * percent, 0, 1, this.options.duration
-			);
-		} else {
-			this.pos = eased = percent;
-		}
-		this.now = ( this.end - this.start ) * eased + this.start;
-
-		if ( this.options.step ) {
-			this.options.step.call( this.elem, this.now, this );
-		}
-
-		if ( hooks && hooks.set ) {
-			hooks.set( this );
-		} else {
-			Tween.propHooks._default.set( this );
-		}
-		return this;
-	}
-};
-
-Tween.prototype.init.prototype = Tween.prototype;
-
-Tween.propHooks = {
-	_default: {
-		get: function( tween ) {
-			var result;
-
-			// Use a property on the element directly when it is not a DOM element,
-			// or when there is no matching style property that exists.
-			if ( tween.elem.nodeType !== 1 ||
-				tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
-				return tween.elem[ tween.prop ];
-			}
-
-			// Passing an empty string as a 3rd parameter to .css will automatically
-			// attempt a parseFloat and fallback to a string if the parse fails.
-			// Simple values such as "10px" are parsed to Float;
-			// complex values such as "rotate(1rad)" are returned as-is.
-			result = jQuery.css( tween.elem, tween.prop, "" );
-
-			// Empty strings, null, undefined and "auto" are converted to 0.
-			return !result || result === "auto" ? 0 : result;
-		},
-		set: function( tween ) {
-
-			// Use step hook for back compat.
-			// Use cssHook if its there.
-			// Use .style if available and use plain properties where available.
-			if ( jQuery.fx.step[ tween.prop ] ) {
-				jQuery.fx.step[ tween.prop ]( tween );
-			} else if ( tween.elem.nodeType === 1 && (
-					jQuery.cssHooks[ tween.prop ] ||
-					tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
-				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
-			} else {
-				tween.elem[ tween.prop ] = tween.now;
-			}
-		}
-	}
-};
-
-// Support: IE <=9 only
-// Panic based approach to setting things on disconnected nodes
-Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
-	set: function( tween ) {
-		if ( tween.elem.nodeType && tween.elem.parentNode ) {
-			tween.elem[ tween.prop ] = tween.now;
-		}
-	}
-};
-
-jQuery.easing = {
-	linear: function( p ) {
-		return p;
-	},
-	swing: function( p ) {
-		return 0.5 - Math.cos( p * Math.PI ) / 2;
-	},
-	_default: "swing"
-};
-
-jQuery.fx = Tween.prototype.init;
-
-// Back compat <1.8 extension point
-jQuery.fx.step = {};
-
-
-
-
-var
-	fxNow, inProgress,
-	rfxtypes = /^(?:toggle|show|hide)$/,
-	rrun = /queueHooks$/;
-
-function schedule() {
-	if ( inProgress ) {
-		if ( document.hidden === false && window.requestAnimationFrame ) {
-			window.requestAnimationFrame( schedule );
-		} else {
-			window.setTimeout( schedule, jQuery.fx.interval );
-		}
-
-		jQuery.fx.tick();
-	}
-}
-
-// Animations created synchronously will run synchronously
-function createFxNow() {
-	window.setTimeout( function() {
-		fxNow = undefined;
-	} );
-	return ( fxNow = Date.now() );
-}
-
-// Generate parameters to create a standard animation
-function genFx( type, includeWidth ) {
-	var which,
-		i = 0,
-		attrs = { height: type };
-
-	// If we include width, step value is 1 to do all cssExpand values,
-	// otherwise step value is 2 to skip over Left and Right
-	includeWidth = includeWidth ? 1 : 0;
-	for ( ; i < 4; i += 2 - includeWidth ) {
-		which = cssExpand[ i ];
-		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
-	}
-
-	if ( includeWidth ) {
-		attrs.opacity = attrs.width = type;
-	}
-
-	return attrs;
-}
-
-function createTween( value, prop, animation ) {
-	var tween,
-		collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
-		index = 0,
-		length = collection.length;
-	for ( ; index < length; index++ ) {
-		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
-
-			// We're done with this property
-			return tween;
-		}
-	}
-}
-
-function defaultPrefilter( elem, props, opts ) {
-	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
-		isBox = "width" in props || "height" in props,
-		anim = this,
-		orig = {},
-		style = elem.style,
-		hidden = elem.nodeType && isHiddenWithinTree( elem ),
-		dataShow = dataPriv.get( elem, "fxshow" );
-
-	// Queue-skipping animations hijack the fx hooks
-	if ( !opts.queue ) {
-		hooks = jQuery._queueHooks( elem, "fx" );
-		if ( hooks.unqueued == null ) {
-			hooks.unqueued = 0;
-			oldfire = hooks.empty.fire;
-			hooks.empty.fire = function() {
-				if ( !hooks.unqueued ) {
-					oldfire();
-				}
-			};
-		}
-		hooks.unqueued++;
-
-		anim.always( function() {
-
-			// Ensure the complete handler is called before this completes
-			anim.always( function() {
-				hooks.unqueued--;
-				if ( !jQuery.queue( elem, "fx" ).length ) {
-					hooks.empty.fire();
-				}
-			} );
-		} );
-	}
-
-	// Detect show/hide animations
-	for ( prop in props ) {
-		value = props[ prop ];
-		if ( rfxtypes.test( value ) ) {
-			delete props[ prop ];
-			toggle = toggle || value === "toggle";
-			if ( value === ( hidden ? "hide" : "show" ) ) {
-
-				// Pretend to be hidden if this is a "show" and
-				// there is still data from a stopped show/hide
-				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
-					hidden = true;
-
-				// Ignore all other no-op show/hide data
-				} else {
-					continue;
-				}
-			}
-			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
-		}
-	}
-
-	// Bail out if this is a no-op like .hide().hide()
-	propTween = !jQuery.isEmptyObject( props );
-	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
-		return;
-	}
-
-	// Restrict "overflow" and "display" styles during box animations
-	if ( isBox && elem.nodeType === 1 ) {
-
-		// Support: IE <=9 - 11, Edge 12 - 15
-		// Record all 3 overflow attributes because IE does not infer the shorthand
-		// from identically-valued overflowX and overflowY and Edge just mirrors
-		// the overflowX value there.
-		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
-
-		// Identify a display type, preferring old show/hide data over the CSS cascade
-		restoreDisplay = dataShow && dataShow.display;
-		if ( restoreDisplay == null ) {
-			restoreDisplay = dataPriv.get( elem, "display" );
-		}
-		display = jQuery.css( elem, "display" );
-		if ( display === "none" ) {
-			if ( restoreDisplay ) {
-				display = restoreDisplay;
-			} else {
-
-				// Get nonempty value(s) by temporarily forcing visibility
-				showHide( [ elem ], true );
-				restoreDisplay = elem.style.display || restoreDisplay;
-				display = jQuery.css( elem, "display" );
-				showHide( [ elem ] );
-			}
-		}
-
-		// Animate inline elements as inline-block
-		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
-			if ( jQuery.css( elem, "float" ) === "none" ) {
-
-				// Restore the original display value at the end of pure show/hide animations
-				if ( !propTween ) {
-					anim.done( function() {
-						style.display = restoreDisplay;
-					} );
-					if ( restoreDisplay == null ) {
-						display = style.display;
-						restoreDisplay = display === "none" ? "" : display;
-					}
-				}
-				style.display = "inline-block";
-			}
-		}
-	}
-
-	if ( opts.overflow ) {
-		style.overflow = "hidden";
-		anim.always( function() {
-			style.overflow = opts.overflow[ 0 ];
-			style.overflowX = opts.overflow[ 1 ];
-			style.overflowY = opts.overflow[ 2 ];
-		} );
-	}
-
-	// Implement show/hide animations
-	propTween = false;
-	for ( prop in orig ) {
-
-		// General show/hide setup for this element animation
-		if ( !propTween ) {
-			if ( dataShow ) {
-				if ( "hidden" in dataShow ) {
-					hidden = dataShow.hidden;
-				}
-			} else {
-				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
-			}
-
-			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
-			if ( toggle ) {
-				dataShow.hidden = !hidden;
-			}
-
-			// Show elements before animating them
-			if ( hidden ) {
-				showHide( [ elem ], true );
-			}
-
-			/* eslint-disable no-loop-func */
-
-			anim.done( function() {
-
-			/* eslint-enable no-loop-func */
-
-				// The final step of a "hide" animation is actually hiding the element
-				if ( !hidden ) {
-					showHide( [ elem ] );
-				}
-				dataPriv.remove( elem, "fxshow" );
-				for ( prop in orig ) {
-					jQuery.style( elem, prop, orig[ prop ] );
-				}
-			} );
-		}
-
-		// Per-property setup
-		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
-		if ( !( prop in dataShow ) ) {
-			dataShow[ prop ] = propTween.start;
-			if ( hidden ) {
-				propTween.end = propTween.start;
-				propTween.start = 0;
-			}
-		}
-	}
-}
-
-function propFilter( props, specialEasing ) {
-	var index, name, easing, value, hooks;
-
-	// camelCase, specialEasing and expand cssHook pass
-	for ( index in props ) {
-		name = camelCase( index );
-		easing = specialEasing[ name ];
-		value = props[ index ];
-		if ( Array.isArray( value ) ) {
-			easing = value[ 1 ];
-			value = props[ index ] = value[ 0 ];
-		}
-
-		if ( index !== name ) {
-			props[ name ] = value;
-			delete props[ index ];
-		}
-
-		hooks = jQuery.cssHooks[ name ];
-		if ( hooks && "expand" in hooks ) {
-			value = hooks.expand( value );
-			delete props[ name ];
-
-			// Not quite $.extend, this won't overwrite existing keys.
-			// Reusing 'index' because we have the correct "name"
-			for ( index in value ) {
-				if ( !( index in props ) ) {
-					props[ index ] = value[ index ];
-					specialEasing[ index ] = easing;
-				}
-			}
-		} else {
-			specialEasing[ name ] = easing;
-		}
-	}
-}
-
-function Animation( elem, properties, options ) {
-	var result,
-		stopped,
-		index = 0,
-		length = Animation.prefilters.length,
-		deferred = jQuery.Deferred().always( function() {
-
-			// Don't match elem in the :animated selector
-			delete tick.elem;
-		} ),
-		tick = function() {
-			if ( stopped ) {
-				return false;
-			}
-			var currentTime = fxNow || createFxNow(),
-				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
-
-				// Support: Android 2.3 only
-				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
-				temp = remaining / animation.duration || 0,
-				percent = 1 - temp,
-				index = 0,
-				length = animation.tweens.length;
-
-			for ( ; index < length; index++ ) {
-				animation.tweens[ index ].run( percent );
-			}
-
-			deferred.notifyWith( elem, [ animation, percent, remaining ] );
-
-			// If there's more to do, yield
-			if ( percent < 1 && length ) {
-				return remaining;
-			}
-
-			// If this was an empty animation, synthesize a final progress notification
-			if ( !length ) {
-				deferred.notifyWith( elem, [ animation, 1, 0 ] );
-			}
-
-			// Resolve the animation and report its conclusion
-			deferred.resolveWith( elem, [ animation ] );
-			return false;
-		},
-		animation = deferred.promise( {
-			elem: elem,
-			props: jQuery.extend( {}, properties ),
-			opts: jQuery.extend( true, {
-				specialEasing: {},
-				easing: jQuery.easing._default
-			}, options ),
-			originalProperties: properties,
-			originalOptions: options,
-			startTime: fxNow || createFxNow(),
-			duration: options.duration,
-			tweens: [],
-			createTween: function( prop, end ) {
-				var tween = jQuery.Tween( elem, animation.opts, prop, end,
-						animation.opts.specialEasing[ prop ] || animation.opts.easing );
-				animation.tweens.push( tween );
-				return tween;
-			},
-			stop: function( gotoEnd ) {
-				var index = 0,
-
-					// If we are going to the end, we want to run all the tweens
-					// otherwise we skip this part
-					length = gotoEnd ? animation.tweens.length : 0;
-				if ( stopped ) {
-					return this;
-				}
-				stopped = true;
-				for ( ; index < length; index++ ) {
-					animation.tweens[ index ].run( 1 );
-				}
-
-				// Resolve when we played the last frame; otherwise, reject
-				if ( gotoEnd ) {
-					deferred.notifyWith( elem, [ animation, 1, 0 ] );
-					deferred.resolveWith( elem, [ animation, gotoEnd ] );
-				} else {
-					deferred.rejectWith( elem, [ animation, gotoEnd ] );
-				}
-				return this;
-			}
-		} ),
-		props = animation.props;
-
-	propFilter( props, animation.opts.specialEasing );
-
-	for ( ; index < length; index++ ) {
-		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
-		if ( result ) {
-			if ( isFunction( result.stop ) ) {
-				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
-					result.stop.bind( result );
-			}
-			return result;
-		}
-	}
-
-	jQuery.map( props, createTween, animation );
-
-	if ( isFunction( animation.opts.start ) ) {
-		animation.opts.start.call( elem, animation );
-	}
-
-	// Attach callbacks from options
-	animation
-		.progress( animation.opts.progress )
-		.done( animation.opts.done, animation.opts.complete )
-		.fail( animation.opts.fail )
-		.always( animation.opts.always );
-
-	jQuery.fx.timer(
-		jQuery.extend( tick, {
-			elem: elem,
-			anim: animation,
-			queue: animation.opts.queue
-		} )
-	);
-
-	return animation;
-}
-
-jQuery.Animation = jQuery.extend( Animation, {
-
-	tweeners: {
-		"*": [ function( prop, value ) {
-			var tween = this.createTween( prop, value );
-			adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
-			return tween;
-		} ]
-	},
-
-	tweener: function( props, callback ) {
-		if ( isFunction( props ) ) {
-			callback = props;
-			props = [ "*" ];
-		} else {
-			props = props.match( rnothtmlwhite );
-		}
-
-		var prop,
-			index = 0,
-			length = props.length;
-
-		for ( ; index < length; index++ ) {
-			prop = props[ index ];
-			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
-			Animation.tweeners[ prop ].unshift( callback );
-		}
-	},
-
-	prefilters: [ defaultPrefilter ],
-
-	prefilter: function( callback, prepend ) {
-		if ( prepend ) {
-			Animation.prefilters.unshift( callback );
-		} else {
-			Animation.prefilters.push( callback );
-		}
-	}
-} );
-
-jQuery.speed = function( speed, easing, fn ) {
-	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
-		complete: fn || !fn && easing ||
-			isFunction( speed ) && speed,
-		duration: speed,
-		easing: fn && easing || easing && !isFunction( easing ) && easing
-	};
-
-	// Go to the end state if fx are off
-	if ( jQuery.fx.off ) {
-		opt.duration = 0;
-
-	} else {
-		if ( typeof opt.duration !== "number" ) {
-			if ( opt.duration in jQuery.fx.speeds ) {
-				opt.duration = jQuery.fx.speeds[ opt.duration ];
-
-			} else {
-				opt.duration = jQuery.fx.speeds._default;
-			}
-		}
-	}
-
-	// Normalize opt.queue - true/undefined/null -> "fx"
-	if ( opt.queue == null || opt.queue === true ) {
-		opt.queue = "fx";
-	}
-
-	// Queueing
-	opt.old = opt.complete;
-
-	opt.complete = function() {
-		if ( isFunction( opt.old ) ) {
-			opt.old.call( this );
-		}
-
-		if ( opt.queue ) {
-			jQuery.dequeue( this, opt.queue );
-		}
-	};
-
-	return opt;
-};
-
-jQuery.fn.extend( {
-	fadeTo: function( speed, to, easing, callback ) {
-
-		// Show any hidden elements after setting opacity to 0
-		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
-
-			// Animate to the value specified
-			.end().animate( { opacity: to }, speed, easing, callback );
-	},
-	animate: function( prop, speed, easing, callback ) {
-		var empty = jQuery.isEmptyObject( prop ),
-			optall = jQuery.speed( speed, easing, callback ),
-			doAnimation = function() {
-
-				// Operate on a copy of prop so per-property easing won't be lost
-				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
-
-				// Empty animations, or finishing resolves immediately
-				if ( empty || dataPriv.get( this, "finish" ) ) {
-					anim.stop( true );
-				}
-			};
-			doAnimation.finish = doAnimation;
-
-		return empty || optall.queue === false ?
-			this.each( doAnimation ) :
-			this.queue( optall.queue, doAnimation );
-	},
-	stop: function( type, clearQueue, gotoEnd ) {
-		var stopQueue = function( hooks ) {
-			var stop = hooks.stop;
-			delete hooks.stop;
-			stop( gotoEnd );
-		};
-
-		if ( typeof type !== "string" ) {
-			gotoEnd = clearQueue;
-			clearQueue = type;
-			type = undefined;
-		}
-		if ( clearQueue ) {
-			this.queue( type || "fx", [] );
-		}
-
-		return this.each( function() {
-			var dequeue = true,
-				index = type != null && type + "queueHooks",
-				timers = jQuery.timers,
-				data = dataPriv.get( this );
-
-			if ( index ) {
-				if ( data[ index ] && data[ index ].stop ) {
-					stopQueue( data[ index ] );
-				}
-			} else {
-				for ( index in data ) {
-					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
-						stopQueue( data[ index ] );
-					}
-				}
-			}
-
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this &&
-					( type == null || timers[ index ].queue === type ) ) {
-
-					timers[ index ].anim.stop( gotoEnd );
-					dequeue = false;
-					timers.splice( index, 1 );
-				}
-			}
-
-			// Start the next in the queue if the last step wasn't forced.
-			// Timers currently will call their complete callbacks, which
-			// will dequeue but only if they were gotoEnd.
-			if ( dequeue || !gotoEnd ) {
-				jQuery.dequeue( this, type );
-			}
-		} );
-	},
-	finish: function( type ) {
-		if ( type !== false ) {
-			type = type || "fx";
-		}
-		return this.each( function() {
-			var index,
-				data = dataPriv.get( this ),
-				queue = data[ type + "queue" ],
-				hooks = data[ type + "queueHooks" ],
-				timers = jQuery.timers,
-				length = queue ? queue.length : 0;
-
-			// Enable finishing flag on private data
-			data.finish = true;
-
-			// Empty the queue first
-			jQuery.queue( this, type, [] );
-
-			if ( hooks && hooks.stop ) {
-				hooks.stop.call( this, true );
-			}
-
-			// Look for any active animations, and finish them
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
-					timers[ index ].anim.stop( true );
-					timers.splice( index, 1 );
-				}
-			}
-
-			// Look for any animations in the old queue and finish them
-			for ( index = 0; index < length; index++ ) {
-				if ( queue[ index ] && queue[ index ].finish ) {
-					queue[ index ].finish.call( this );
-				}
-			}
-
-			// Turn off finishing flag
-			delete data.finish;
-		} );
-	}
-} );
-
-jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) {
-	var cssFn = jQuery.fn[ name ];
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return speed == null || typeof speed === "boolean" ?
-			cssFn.apply( this, arguments ) :
-			this.animate( genFx( name, true ), speed, easing, callback );
-	};
-} );
-
-// Generate shortcuts for custom animations
-jQuery.each( {
-	slideDown: genFx( "show" ),
-	slideUp: genFx( "hide" ),
-	slideToggle: genFx( "toggle" ),
-	fadeIn: { opacity: "show" },
-	fadeOut: { opacity: "hide" },
-	fadeToggle: { opacity: "toggle" }
-}, function( name, props ) {
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return this.animate( props, speed, easing, callback );
-	};
-} );
-
-jQuery.timers = [];
-jQuery.fx.tick = function() {
-	var timer,
-		i = 0,
-		timers = jQuery.timers;
-
-	fxNow = Date.now();
-
-	for ( ; i < timers.length; i++ ) {
-		timer = timers[ i ];
-
-		// Run the timer and safely remove it when done (allowing for external removal)
-		if ( !timer() && timers[ i ] === timer ) {
-			timers.splice( i--, 1 );
-		}
-	}
-
-	if ( !timers.length ) {
-		jQuery.fx.stop();
-	}
-	fxNow = undefined;
-};
-
-jQuery.fx.timer = function( timer ) {
-	jQuery.timers.push( timer );
-	jQuery.fx.start();
-};
-
-jQuery.fx.interval = 13;
-jQuery.fx.start = function() {
-	if ( inProgress ) {
-		return;
-	}
-
-	inProgress = true;
-	schedule();
-};
-
-jQuery.fx.stop = function() {
-	inProgress = null;
-};
-
-jQuery.fx.speeds = {
-	slow: 600,
-	fast: 200,
-
-	// Default speed
-	_default: 400
-};
-
-
-// Based off of the plugin by Clint Helfers, with permission.
-// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
-jQuery.fn.delay = function( time, type ) {
-	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
-	type = type || "fx";
-
-	return this.queue( type, function( next, hooks ) {
-		var timeout = window.setTimeout( next, time );
-		hooks.stop = function() {
-			window.clearTimeout( timeout );
-		};
-	} );
-};
-
-
-( function() {
-	var input = document.createElement( "input" ),
-		select = document.createElement( "select" ),
-		opt = select.appendChild( document.createElement( "option" ) );
-
-	input.type = "checkbox";
-
-	// Support: Android <=4.3 only
-	// Default value for a checkbox should be "on"
-	support.checkOn = input.value !== "";
-
-	// Support: IE <=11 only
-	// Must access selectedIndex to make default options select
-	support.optSelected = opt.selected;
-
-	// Support: IE <=11 only
-	// An input loses its value after becoming a radio
-	input = document.createElement( "input" );
-	input.value = "t";
-	input.type = "radio";
-	support.radioValue = input.value === "t";
-} )();
-
-
-var boolHook,
-	attrHandle = jQuery.expr.attrHandle;
-
-jQuery.fn.extend( {
-	attr: function( name, value ) {
-		return access( this, jQuery.attr, name, value, arguments.length > 1 );
-	},
-
-	removeAttr: function( name ) {
-		return this.each( function() {
-			jQuery.removeAttr( this, name );
-		} );
-	}
-} );
-
-jQuery.extend( {
-	attr: function( elem, name, value ) {
-		var ret, hooks,
-			nType = elem.nodeType;
-
-		// Don't get/set attributes on text, comment and attribute nodes
-		if ( nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		// Fallback to prop when attributes are not supported
-		if ( typeof elem.getAttribute === "undefined" ) {
-			return jQuery.prop( elem, name, value );
-		}
-
-		// Attribute hooks are determined by the lowercase version
-		// Grab necessary hook if one is defined
-		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
-				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
-		}
-
-		if ( value !== undefined ) {
-			if ( value === null ) {
-				jQuery.removeAttr( elem, name );
-				return;
-			}
-
-			if ( hooks && "set" in hooks &&
-				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
-				return ret;
-			}
-
-			elem.setAttribute( name, value + "" );
-			return value;
-		}
-
-		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
-			return ret;
-		}
-
-		ret = jQuery.find.attr( elem, name );
-
-		// Non-existent attributes return null, we normalize to undefined
-		return ret == null ? undefined : ret;
-	},
-
-	attrHooks: {
-		type: {
-			set: function( elem, value ) {
-				if ( !support.radioValue && value === "radio" &&
-					nodeName( elem, "input" ) ) {
-					var val = elem.value;
-					elem.setAttribute( "type", value );
-					if ( val ) {
-						elem.value = val;
-					}
-					return value;
-				}
-			}
-		}
-	},
-
-	removeAttr: function( elem, value ) {
-		var name,
-			i = 0,
-
-			// Attribute names can contain non-HTML whitespace characters
-			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
-			attrNames = value && value.match( rnothtmlwhite );
-
-		if ( attrNames && elem.nodeType === 1 ) {
-			while ( ( name = attrNames[ i++ ] ) ) {
-				elem.removeAttribute( name );
-			}
-		}
-	}
-} );
-
-// Hooks for boolean attributes
-boolHook = {
-	set: function( elem, value, name ) {
-		if ( value === false ) {
-
-			// Remove boolean attributes when set to false
-			jQuery.removeAttr( elem, name );
-		} else {
-			elem.setAttribute( name, name );
-		}
-		return name;
-	}
-};
-
-jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
-	var getter = attrHandle[ name ] || jQuery.find.attr;
-
-	attrHandle[ name ] = function( elem, name, isXML ) {
-		var ret, handle,
-			lowercaseName = name.toLowerCase();
-
-		if ( !isXML ) {
-
-			// Avoid an infinite loop by temporarily removing this function from the getter
-			handle = attrHandle[ lowercaseName ];
-			attrHandle[ lowercaseName ] = ret;
-			ret = getter( elem, name, isXML ) != null ?
-				lowercaseName :
-				null;
-			attrHandle[ lowercaseName ] = handle;
-		}
-		return ret;
-	};
-} );
-
-
-
-
-var rfocusable = /^(?:input|select|textarea|button)$/i,
-	rclickable = /^(?:a|area)$/i;
-
-jQuery.fn.extend( {
-	prop: function( name, value ) {
-		return access( this, jQuery.prop, name, value, arguments.length > 1 );
-	},
-
-	removeProp: function( name ) {
-		return this.each( function() {
-			delete this[ jQuery.propFix[ name ] || name ];
-		} );
-	}
-} );
-
-jQuery.extend( {
-	prop: function( elem, name, value ) {
-		var ret, hooks,
-			nType = elem.nodeType;
-
-		// Don't get/set properties on text, comment and attribute nodes
-		if ( nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-
-			// Fix name and attach hooks
-			name = jQuery.propFix[ name ] || name;
-			hooks = jQuery.propHooks[ name ];
-		}
-
-		if ( value !== undefined ) {
-			if ( hooks && "set" in hooks &&
-				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
-				return ret;
-			}
-
-			return ( elem[ name ] = value );
-		}
-
-		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
-			return ret;
-		}
-
-		return elem[ name ];
-	},
-
-	propHooks: {
-		tabIndex: {
-			get: function( elem ) {
-
-				// Support: IE <=9 - 11 only
-				// elem.tabIndex doesn't always return the
-				// correct value when it hasn't been explicitly set
-				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
-				// Use proper attribute retrieval(#12072)
-				var tabindex = jQuery.find.attr( elem, "tabindex" );
-
-				if ( tabindex ) {
-					return parseInt( tabindex, 10 );
-				}
-
-				if (
-					rfocusable.test( elem.nodeName ) ||
-					rclickable.test( elem.nodeName ) &&
-					elem.href
-				) {
-					return 0;
-				}
-
-				return -1;
-			}
-		}
-	},
-
-	propFix: {
-		"for": "htmlFor",
-		"class": "className"
-	}
-} );
-
-// Support: IE <=11 only
-// Accessing the selectedIndex property
-// forces the browser to respect setting selected
-// on the option
-// The getter ensures a default option is selected
-// when in an optgroup
-// eslint rule "no-unused-expressions" is disabled for this code
-// since it considers such accessions noop
-if ( !support.optSelected ) {
-	jQuery.propHooks.selected = {
-		get: function( elem ) {
-
-			/* eslint no-unused-expressions: "off" */
-
-			var parent = elem.parentNode;
-			if ( parent && parent.parentNode ) {
-				parent.parentNode.selectedIndex;
-			}
-			return null;
-		},
-		set: function( elem ) {
-
-			/* eslint no-unused-expressions: "off" */
-
-			var parent = elem.parentNode;
-			if ( parent ) {
-				parent.selectedIndex;
-
-				if ( parent.parentNode ) {
-					parent.parentNode.selectedIndex;
-				}
-			}
-		}
-	};
-}
-
-jQuery.each( [
-	"tabIndex",
-	"readOnly",
-	"maxLength",
-	"cellSpacing",
-	"cellPadding",
-	"rowSpan",
-	"colSpan",
-	"useMap",
-	"frameBorder",
-	"contentEditable"
-], function() {
-	jQuery.propFix[ this.toLowerCase() ] = this;
-} );
-
-
-
-
-	// Strip and collapse whitespace according to HTML spec
-	// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
-	function stripAndCollapse( value ) {
-		var tokens = value.match( rnothtmlwhite ) || [];
-		return tokens.join( " " );
-	}
-
-
-function getClass( elem ) {
-	return elem.getAttribute && elem.getAttribute( "class" ) || "";
-}
-
-function classesToArray( value ) {
-	if ( Array.isArray( value ) ) {
-		return value;
-	}
-	if ( typeof value === "string" ) {
-		return value.match( rnothtmlwhite ) || [];
-	}
-	return [];
-}
-
-jQuery.fn.extend( {
-	addClass: function( value ) {
-		var classes, elem, cur, curValue, clazz, j, finalValue,
-			i = 0;
-
-		if ( isFunction( value ) ) {
-			return this.each( function( j ) {
-				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
-			} );
-		}
-
-		classes = classesToArray( value );
-
-		if ( classes.length ) {
-			while ( ( elem = this[ i++ ] ) ) {
-				curValue = getClass( elem );
-				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
-
-				if ( cur ) {
-					j = 0;
-					while ( ( clazz = classes[ j++ ] ) ) {
-						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
-							cur += clazz + " ";
-						}
-					}
-
-					// Only assign if different to avoid unneeded rendering.
-					finalValue = stripAndCollapse( cur );
-					if ( curValue !== finalValue ) {
-						elem.setAttribute( "class", finalValue );
-					}
-				}
-			}
-		}
-
-		return this;
-	},
-
-	removeClass: function( value ) {
-		var classes, elem, cur, curValue, clazz, j, finalValue,
-			i = 0;
-
-		if ( isFunction( value ) ) {
-			return this.each( function( j ) {
-				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
-			} );
-		}
-
-		if ( !arguments.length ) {
-			return this.attr( "class", "" );
-		}
-
-		classes = classesToArray( value );
-
-		if ( classes.length ) {
-			while ( ( elem = this[ i++ ] ) ) {
-				curValue = getClass( elem );
-
-				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
-
-				if ( cur ) {
-					j = 0;
-					while ( ( clazz = classes[ j++ ] ) ) {
-
-						// Remove *all* instances
-						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
-							cur = cur.replace( " " + clazz + " ", " " );
-						}
-					}
-
-					// Only assign if different to avoid unneeded rendering.
-					finalValue = stripAndCollapse( cur );
-					if ( curValue !== finalValue ) {
-						elem.setAttribute( "class", finalValue );
-					}
-				}
-			}
-		}
-
-		return this;
-	},
-
-	toggleClass: function( value, stateVal ) {
-		var type = typeof value,
-			isValidValue = type === "string" || Array.isArray( value );
-
-		if ( typeof stateVal === "boolean" && isValidValue ) {
-			return stateVal ? this.addClass( value ) : this.removeClass( value );
-		}
-
-		if ( isFunction( value ) ) {
-			return this.each( function( i ) {
-				jQuery( this ).toggleClass(
-					value.call( this, i, getClass( this ), stateVal ),
-					stateVal
-				);
-			} );
-		}
-
-		return this.each( function() {
-			var className, i, self, classNames;
-
-			if ( isValidValue ) {
-
-				// Toggle individual class names
-				i = 0;
-				self = jQuery( this );
-				classNames = classesToArray( value );
-
-				while ( ( className = classNames[ i++ ] ) ) {
-
-					// Check each className given, space separated list
-					if ( self.hasClass( className ) ) {
-						self.removeClass( className );
-					} else {
-						self.addClass( className );
-					}
-				}
-
-			// Toggle whole class name
-			} else if ( value === undefined || type === "boolean" ) {
-				className = getClass( this );
-				if ( className ) {
-
-					// Store className if set
-					dataPriv.set( this, "__className__", className );
-				}
-
-				// If the element has a class name or if we're passed `false`,
-				// then remove the whole classname (if there was one, the above saved it).
-				// Otherwise bring back whatever was previously saved (if anything),
-				// falling back to the empty string if nothing was stored.
-				if ( this.setAttribute ) {
-					this.setAttribute( "class",
-						className || value === false ?
-						"" :
-						dataPriv.get( this, "__className__" ) || ""
-					);
-				}
-			}
-		} );
-	},
-
-	hasClass: function( selector ) {
-		var className, elem,
-			i = 0;
-
-		className = " " + selector + " ";
-		while ( ( elem = this[ i++ ] ) ) {
-			if ( elem.nodeType === 1 &&
-				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
-					return true;
-			}
-		}
-
-		return false;
-	}
-} );
-
-
-
-
-var rreturn = /\r/g;
-
-jQuery.fn.extend( {
-	val: function( value ) {
-		var hooks, ret, valueIsFunction,
-			elem = this[ 0 ];
-
-		if ( !arguments.length ) {
-			if ( elem ) {
-				hooks = jQuery.valHooks[ elem.type ] ||
-					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
-
-				if ( hooks &&
-					"get" in hooks &&
-					( ret = hooks.get( elem, "value" ) ) !== undefined
-				) {
-					return ret;
-				}
-
-				ret = elem.value;
-
-				// Handle most common string cases
-				if ( typeof ret === "string" ) {
-					return ret.replace( rreturn, "" );
-				}
-
-				// Handle cases where value is null/undef or number
-				return ret == null ? "" : ret;
-			}
-
-			return;
-		}
-
-		valueIsFunction = isFunction( value );
-
-		return this.each( function( i ) {
-			var val;
-
-			if ( this.nodeType !== 1 ) {
-				return;
-			}
-
-			if ( valueIsFunction ) {
-				val = value.call( this, i, jQuery( this ).val() );
-			} else {
-				val = value;
-			}
-
-			// Treat null/undefined as ""; convert numbers to string
-			if ( val == null ) {
-				val = "";
-
-			} else if ( typeof val === "number" ) {
-				val += "";
-
-			} else if ( Array.isArray( val ) ) {
-				val = jQuery.map( val, function( value ) {
-					return value == null ? "" : value + "";
-				} );
-			}
-
-			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
-
-			// If set returns undefined, fall back to normal setting
-			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
-				this.value = val;
-			}
-		} );
-	}
-} );
-
-jQuery.extend( {
-	valHooks: {
-		option: {
-			get: function( elem ) {
-
-				var val = jQuery.find.attr( elem, "value" );
-				return val != null ?
-					val :
-
-					// Support: IE <=10 - 11 only
-					// option.text throws exceptions (#14686, #14858)
-					// Strip and collapse whitespace
-					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
-					stripAndCollapse( jQuery.text( elem ) );
-			}
-		},
-		select: {
-			get: function( elem ) {
-				var value, option, i,
-					options = elem.options,
-					index = elem.selectedIndex,
-					one = elem.type === "select-one",
-					values = one ? null : [],
-					max = one ? index + 1 : options.length;
-
-				if ( index < 0 ) {
-					i = max;
-
-				} else {
-					i = one ? index : 0;
-				}
-
-				// Loop through all the selected options
-				for ( ; i < max; i++ ) {
-					option = options[ i ];
-
-					// Support: IE <=9 only
-					// IE8-9 doesn't update selected after form reset (#2551)
-					if ( ( option.selected || i === index ) &&
-
-							// Don't return options that are disabled or in a disabled optgroup
-							!option.disabled &&
-							( !option.parentNode.disabled ||
-								!nodeName( option.parentNode, "optgroup" ) ) ) {
-
-						// Get the specific value for the option
-						value = jQuery( option ).val();
-
-						// We don't need an array for one selects
-						if ( one ) {
-							return value;
-						}
-
-						// Multi-Selects return an array
-						values.push( value );
-					}
-				}
-
-				return values;
-			},
-
-			set: function( elem, value ) {
-				var optionSet, option,
-					options = elem.options,
-					values = jQuery.makeArray( value ),
-					i = options.length;
-
-				while ( i-- ) {
-					option = options[ i ];
-
-					/* eslint-disable no-cond-assign */
-
-					if ( option.selected =
-						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
-					) {
-						optionSet = true;
-					}
-
-					/* eslint-enable no-cond-assign */
-				}
-
-				// Force browsers to behave consistently when non-matching value is set
-				if ( !optionSet ) {
-					elem.selectedIndex = -1;
-				}
-				return values;
-			}
-		}
-	}
-} );
-
-// Radios and checkboxes getter/setter
-jQuery.each( [ "radio", "checkbox" ], function() {
-	jQuery.valHooks[ this ] = {
-		set: function( elem, value ) {
-			if ( Array.isArray( value ) ) {
-				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
-			}
-		}
-	};
-	if ( !support.checkOn ) {
-		jQuery.valHooks[ this ].get = function( elem ) {
-			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
-		};
-	}
-} );
-
-
-
-
-// Return jQuery for attributes-only inclusion
-
-
-support.focusin = "onfocusin" in window;
-
-
-var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
-	stopPropagationCallback = function( e ) {
-		e.stopPropagation();
-	};
-
-jQuery.extend( jQuery.event, {
-
-	trigger: function( event, data, elem, onlyHandlers ) {
-
-		var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
-			eventPath = [ elem || document ],
-			type = hasOwn.call( event, "type" ) ? event.type : event,
-			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
-
-		cur = lastElement = tmp = elem = elem || document;
-
-		// Don't do events on text and comment nodes
-		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
-			return;
-		}
-
-		// focus/blur morphs to focusin/out; ensure we're not firing them right now
-		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
-			return;
-		}
-
-		if ( type.indexOf( "." ) > -1 ) {
-
-			// Namespaced trigger; create a regexp to match event type in handle()
-			namespaces = type.split( "." );
-			type = namespaces.shift();
-			namespaces.sort();
-		}
-		ontype = type.indexOf( ":" ) < 0 && "on" + type;
-
-		// Caller can pass in a jQuery.Event object, Object, or just an event type string
-		event = event[ jQuery.expando ] ?
-			event :
-			new jQuery.Event( type, typeof event === "object" && event );
-
-		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
-		event.isTrigger = onlyHandlers ? 2 : 3;
-		event.namespace = namespaces.join( "." );
-		event.rnamespace = event.namespace ?
-			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
-			null;
-
-		// Clean up the event in case it is being reused
-		event.result = undefined;
-		if ( !event.target ) {
-			event.target = elem;
-		}
-
-		// Clone any incoming data and prepend the event, creating the handler arg list
-		data = data == null ?
-			[ event ] :
-			jQuery.makeArray( data, [ event ] );
-
-		// Allow special events to draw outside the lines
-		special = jQuery.event.special[ type ] || {};
-		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
-			return;
-		}
-
-		// Determine event propagation path in advance, per W3C events spec (#9951)
-		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
-		if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
-
-			bubbleType = special.delegateType || type;
-			if ( !rfocusMorph.test( bubbleType + type ) ) {
-				cur = cur.parentNode;
-			}
-			for ( ; cur; cur = cur.parentNode ) {
-				eventPath.push( cur );
-				tmp = cur;
-			}
-
-			// Only add window if we got to document (e.g., not plain obj or detached DOM)
-			if ( tmp === ( elem.ownerDocument || document ) ) {
-				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
-			}
-		}
-
-		// Fire handlers on the event path
-		i = 0;
-		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
-			lastElement = cur;
-			event.type = i > 1 ?
-				bubbleType :
-				special.bindType || type;
-
-			// jQuery handler
-			handle = (
-					dataPriv.get( cur, "events" ) || Object.create( null )
-				)[ event.type ] &&
-				dataPriv.get( cur, "handle" );
-			if ( handle ) {
-				handle.apply( cur, data );
-			}
-
-			// Native handler
-			handle = ontype && cur[ ontype ];
-			if ( handle && handle.apply && acceptData( cur ) ) {
-				event.result = handle.apply( cur, data );
-				if ( event.result === false ) {
-					event.preventDefault();
-				}
-			}
-		}
-		event.type = type;
-
-		// If nobody prevented the default action, do it now
-		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
-
-			if ( ( !special._default ||
-				special._default.apply( eventPath.pop(), data ) === false ) &&
-				acceptData( elem ) ) {
-
-				// Call a native DOM method on the target with the same name as the event.
-				// Don't do default actions on window, that's where global variables be (#6170)
-				if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
-
-					// Don't re-trigger an onFOO event when we call its FOO() method
-					tmp = elem[ ontype ];
-
-					if ( tmp ) {
-						elem[ ontype ] = null;
-					}
-
-					// Prevent re-triggering of the same event, since we already bubbled it above
-					jQuery.event.triggered = type;
-
-					if ( event.isPropagationStopped() ) {
-						lastElement.addEventListener( type, stopPropagationCallback );
-					}
-
-					elem[ type ]();
-
-					if ( event.isPropagationStopped() ) {
-						lastElement.removeEventListener( type, stopPropagationCallback );
-					}
-
-					jQuery.event.triggered = undefined;
-
-					if ( tmp ) {
-						elem[ ontype ] = tmp;
-					}
-				}
-			}
-		}
-
-		return event.result;
-	},
-
-	// Piggyback on a donor event to simulate a different one
-	// Used only for `focus(in | out)` events
-	simulate: function( type, elem, event ) {
-		var e = jQuery.extend(
-			new jQuery.Event(),
-			event,
-			{
-				type: type,
-				isSimulated: true
-			}
-		);
-
-		jQuery.event.trigger( e, null, elem );
-	}
-
-} );
-
-jQuery.fn.extend( {
-
-	trigger: function( type, data ) {
-		return this.each( function() {
-			jQuery.event.trigger( type, data, this );
-		} );
-	},
-	triggerHandler: function( type, data ) {
-		var elem = this[ 0 ];
-		if ( elem ) {
-			return jQuery.event.trigger( type, data, elem, true );
-		}
-	}
-} );
-
-
-// Support: Firefox <=44
-// Firefox doesn't have focus(in | out) events
-// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
-//
-// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
-// focus(in | out) events fire after focus & blur events,
-// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
-// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
-if ( !support.focusin ) {
-	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
-
-		// Attach a single capturing handler on the document while someone wants focusin/focusout
-		var handler = function( event ) {
-			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
-		};
-
-		jQuery.event.special[ fix ] = {
-			setup: function() {
-
-				// Handle: regular nodes (via `this.ownerDocument`), window
-				// (via `this.document`) & document (via `this`).
-				var doc = this.ownerDocument || this.document || this,
-					attaches = dataPriv.access( doc, fix );
-
-				if ( !attaches ) {
-					doc.addEventListener( orig, handler, true );
-				}
-				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
-			},
-			teardown: function() {
-				var doc = this.ownerDocument || this.document || this,
-					attaches = dataPriv.access( doc, fix ) - 1;
-
-				if ( !attaches ) {
-					doc.removeEventListener( orig, handler, true );
-					dataPriv.remove( doc, fix );
-
-				} else {
-					dataPriv.access( doc, fix, attaches );
-				}
-			}
-		};
-	} );
-}
-var location = window.location;
-
-var nonce = { guid: Date.now() };
-
-var rquery = ( /\?/ );
-
-
-
-// Cross-browser xml parsing
-jQuery.parseXML = function( data ) {
-	var xml;
-	if ( !data || typeof data !== "string" ) {
-		return null;
-	}
-
-	// Support: IE 9 - 11 only
-	// IE throws on parseFromString with invalid input.
-	try {
-		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
-	} catch ( e ) {
-		xml = undefined;
-	}
-
-	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
-		jQuery.error( "Invalid XML: " + data );
-	}
-	return xml;
-};
-
-
-var
-	rbracket = /\[\]$/,
-	rCRLF = /\r?\n/g,
-	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
-	rsubmittable = /^(?:input|select|textarea|keygen)/i;
-
-function buildParams( prefix, obj, traditional, add ) {
-	var name;
-
-	if ( Array.isArray( obj ) ) {
-
-		// Serialize array item.
-		jQuery.each( obj, function( i, v ) {
-			if ( traditional || rbracket.test( prefix ) ) {
-
-				// Treat each array item as a scalar.
-				add( prefix, v );
-
-			} else {
-
-				// Item is non-scalar (array or object), encode its numeric index.
-				buildParams(
-					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
-					v,
-					traditional,
-					add
-				);
-			}
-		} );
-
-	} else if ( !traditional && toType( obj ) === "object" ) {
-
-		// Serialize object item.
-		for ( name in obj ) {
-			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
-		}
-
-	} else {
-
-		// Serialize scalar item.
-		add( prefix, obj );
-	}
-}
-
-// Serialize an array of form elements or a set of
-// key/values into a query string
-jQuery.param = function( a, traditional ) {
-	var prefix,
-		s = [],
-		add = function( key, valueOrFunction ) {
-
-			// If value is a function, invoke it and use its return value
-			var value = isFunction( valueOrFunction ) ?
-				valueOrFunction() :
-				valueOrFunction;
-
-			s[ s.length ] = encodeURIComponent( key ) + "=" +
-				encodeURIComponent( value == null ? "" : value );
-		};
-
-	if ( a == null ) {
-		return "";
-	}
-
-	// If an array was passed in, assume that it is an array of form elements.
-	if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
-
-		// Serialize the form elements
-		jQuery.each( a, function() {
-			add( this.name, this.value );
-		} );
-
-	} else {
-
-		// If traditional, encode the "old" way (the way 1.3.2 or older
-		// did it), otherwise encode params recursively.
-		for ( prefix in a ) {
-			buildParams( prefix, a[ prefix ], traditional, add );
-		}
-	}
-
-	// Return the resulting serialization
-	return s.join( "&" );
-};
-
-jQuery.fn.extend( {
-	serialize: function() {
-		return jQuery.param( this.serializeArray() );
-	},
-	serializeArray: function() {
-		return this.map( function() {
-
-			// Can add propHook for "elements" to filter or add form elements
-			var elements = jQuery.prop( this, "elements" );
-			return elements ? jQuery.makeArray( elements ) : this;
-		} )
-		.filter( function() {
-			var type = this.type;
-
-			// Use .is( ":disabled" ) so that fieldset[disabled] works
-			return this.name && !jQuery( this ).is( ":disabled" ) &&
-				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
-				( this.checked || !rcheckableType.test( type ) );
-		} )
-		.map( function( _i, elem ) {
-			var val = jQuery( this ).val();
-
-			if ( val == null ) {
-				return null;
-			}
-
-			if ( Array.isArray( val ) ) {
-				return jQuery.map( val, function( val ) {
-					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-				} );
-			}
-
-			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-		} ).get();
-	}
-} );
-
-
-var
-	r20 = /%20/g,
-	rhash = /#.*$/,
-	rantiCache = /([?&])_=[^&]*/,
-	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
-
-	// #7653, #8125, #8152: local protocol detection
-	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
-	rnoContent = /^(?:GET|HEAD)$/,
-	rprotocol = /^\/\//,
-
-	/* Prefilters
-	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
-	 * 2) These are called:
-	 *    - BEFORE asking for a transport
-	 *    - AFTER param serialization (s.data is a string if s.processData is true)
-	 * 3) key is the dataType
-	 * 4) the catchall symbol "*" can be used
-	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
-	 */
-	prefilters = {},
-
-	/* Transports bindings
-	 * 1) key is the dataType
-	 * 2) the catchall symbol "*" can be used
-	 * 3) selection will start with transport dataType and THEN go to "*" if needed
-	 */
-	transports = {},
-
-	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
-	allTypes = "*/".concat( "*" ),
-
-	// Anchor tag for parsing the document origin
-	originAnchor = document.createElement( "a" );
-	originAnchor.href = location.href;
-
-// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
-function addToPrefiltersOrTransports( structure ) {
-
-	// dataTypeExpression is optional and defaults to "*"
-	return function( dataTypeExpression, func ) {
-
-		if ( typeof dataTypeExpression !== "string" ) {
-			func = dataTypeExpression;
-			dataTypeExpression = "*";
-		}
-
-		var dataType,
-			i = 0,
-			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
-
-		if ( isFunction( func ) ) {
-
-			// For each dataType in the dataTypeExpression
-			while ( ( dataType = dataTypes[ i++ ] ) ) {
-
-				// Prepend if requested
-				if ( dataType[ 0 ] === "+" ) {
-					dataType = dataType.slice( 1 ) || "*";
-					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
-
-				// Otherwise append
-				} else {
-					( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
-				}
-			}
-		}
-	};
-}
-
-// Base inspection function for prefilters and transports
-function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
-
-	var inspected = {},
-		seekingTransport = ( structure === transports );
-
-	function inspect( dataType ) {
-		var selected;
-		inspected[ dataType ] = true;
-		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
-			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
-			if ( typeof dataTypeOrTransport === "string" &&
-				!seekingTransport && !inspected[ dataTypeOrTransport ] ) {
-
-				options.dataTypes.unshift( dataTypeOrTransport );
-				inspect( dataTypeOrTransport );
-				return false;
-			} else if ( seekingTransport ) {
-				return !( selected = dataTypeOrTransport );
-			}
-		} );
-		return selected;
-	}
-
-	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
-}
-
-// A special extend for ajax options
-// that takes "flat" options (not to be deep extended)
-// Fixes #9887
-function ajaxExtend( target, src ) {
-	var key, deep,
-		flatOptions = jQuery.ajaxSettings.flatOptions || {};
-
-	for ( key in src ) {
-		if ( src[ key ] !== undefined ) {
-			( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
-		}
-	}
-	if ( deep ) {
-		jQuery.extend( true, target, deep );
-	}
-
-	return target;
-}
-
-/* Handles responses to an ajax request:
- * - finds the right dataType (mediates between content-type and expected dataType)
- * - returns the corresponding response
- */
-function ajaxHandleResponses( s, jqXHR, responses ) {
-
-	var ct, type, finalDataType, firstDataType,
-		contents = s.contents,
-		dataTypes = s.dataTypes;
-
-	// Remove auto dataType and get content-type in the process
-	while ( dataTypes[ 0 ] === "*" ) {
-		dataTypes.shift();
-		if ( ct === undefined ) {
-			ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
-		}
-	}
-
-	// Check if we're dealing with a known content-type
-	if ( ct ) {
-		for ( type in contents ) {
-			if ( contents[ type ] && contents[ type ].test( ct ) ) {
-				dataTypes.unshift( type );
-				break;
-			}
-		}
-	}
-
-	// Check to see if we have a response for the expected dataType
-	if ( dataTypes[ 0 ] in responses ) {
-		finalDataType = dataTypes[ 0 ];
-	} else {
-
-		// Try convertible dataTypes
-		for ( type in responses ) {
-			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
-				finalDataType = type;
-				break;
-			}
-			if ( !firstDataType ) {
-				firstDataType = type;
-			}
-		}
-
-		// Or just use first one
-		finalDataType = finalDataType || firstDataType;
-	}
-
-	// If we found a dataType
-	// We add the dataType to the list if needed
-	// and return the corresponding response
-	if ( finalDataType ) {
-		if ( finalDataType !== dataTypes[ 0 ] ) {
-			dataTypes.unshift( finalDataType );
-		}
-		return responses[ finalDataType ];
-	}
-}
-
-/* Chain conversions given the request and the original response
- * Also sets the responseXXX fields on the jqXHR instance
- */
-function ajaxConvert( s, response, jqXHR, isSuccess ) {
-	var conv2, current, conv, tmp, prev,
-		converters = {},
-
-		// Work with a copy of dataTypes in case we need to modify it for conversion
-		dataTypes = s.dataTypes.slice();
-
-	// Create converters map with lowercased keys
-	if ( dataTypes[ 1 ] ) {
-		for ( conv in s.converters ) {
-			converters[ conv.toLowerCase() ] = s.converters[ conv ];
-		}
-	}
-
-	current = dataTypes.shift();
-
-	// Convert to each sequential dataType
-	while ( current ) {
-
-		if ( s.responseFields[ current ] ) {
-			jqXHR[ s.responseFields[ current ] ] = response;
-		}
-
-		// Apply the dataFilter if provided
-		if ( !prev && isSuccess && s.dataFilter ) {
-			response = s.dataFilter( response, s.dataType );
-		}
-
-		prev = current;
-		current = dataTypes.shift();
-
-		if ( current ) {
-
-			// There's only work to do if current dataType is non-auto
-			if ( current === "*" ) {
-
-				current = prev;
-
-			// Convert response if prev dataType is non-auto and differs from current
-			} else if ( prev !== "*" && prev !== current ) {
-
-				// Seek a direct converter
-				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
-
-				// If none found, seek a pair
-				if ( !conv ) {
-					for ( conv2 in converters ) {
-
-						// If conv2 outputs current
-						tmp = conv2.split( " " );
-						if ( tmp[ 1 ] === current ) {
-
-							// If prev can be converted to accepted input
-							conv = converters[ prev + " " + tmp[ 0 ] ] ||
-								converters[ "* " + tmp[ 0 ] ];
-							if ( conv ) {
-
-								// Condense equivalence converters
-								if ( conv === true ) {
-									conv = converters[ conv2 ];
-
-								// Otherwise, insert the intermediate dataType
-								} else if ( converters[ conv2 ] !== true ) {
-									current = tmp[ 0 ];
-									dataTypes.unshift( tmp[ 1 ] );
-								}
-								break;
-							}
-						}
-					}
-				}
-
-				// Apply converter (if not an equivalence)
-				if ( conv !== true ) {
-
-					// Unless errors are allowed to bubble, catch and return them
-					if ( conv && s.throws ) {
-						response = conv( response );
-					} else {
-						try {
-							response = conv( response );
-						} catch ( e ) {
-							return {
-								state: "parsererror",
-								error: conv ? e : "No conversion from " + prev + " to " + current
-							};
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return { state: "success", data: response };
-}
-
-jQuery.extend( {
-
-	// Counter for holding the number of active queries
-	active: 0,
-
-	// Last-Modified header cache for next request
-	lastModified: {},
-	etag: {},
-
-	ajaxSettings: {
-		url: location.href,
-		type: "GET",
-		isLocal: rlocalProtocol.test( location.protocol ),
-		global: true,
-		processData: true,
-		async: true,
-		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
-
-		/*
-		timeout: 0,
-		data: null,
-		dataType: null,
-		username: null,
-		password: null,
-		cache: null,
-		throws: false,
-		traditional: false,
-		headers: {},
-		*/
-
-		accepts: {
-			"*": allTypes,
-			text: "text/plain",
-			html: "text/html",
-			xml: "application/xml, text/xml",
-			json: "application/json, text/javascript"
-		},
-
-		contents: {
-			xml: /\bxml\b/,
-			html: /\bhtml/,
-			json: /\bjson\b/
-		},
-
-		responseFields: {
-			xml: "responseXML",
-			text: "responseText",
-			json: "responseJSON"
-		},
-
-		// Data converters
-		// Keys separate source (or catchall "*") and destination types with a single space
-		converters: {
-
-			// Convert anything to text
-			"* text": String,
-
-			// Text to html (true = no transformation)
-			"text html": true,
-
-			// Evaluate text as a json expression
-			"text json": JSON.parse,
-
-			// Parse text as xml
-			"text xml": jQuery.parseXML
-		},
-
-		// For options that shouldn't be deep extended:
-		// you can add your own custom options here if
-		// and when you create one that shouldn't be
-		// deep extended (see ajaxExtend)
-		flatOptions: {
-			url: true,
-			context: true
-		}
-	},
-
-	// Creates a full fledged settings object into target
-	// with both ajaxSettings and settings fields.
-	// If target is omitted, writes into ajaxSettings.
-	ajaxSetup: function( target, settings ) {
-		return settings ?
-
-			// Building a settings object
-			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
-
-			// Extending ajaxSettings
-			ajaxExtend( jQuery.ajaxSettings, target );
-	},
-
-	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
-	ajaxTransport: addToPrefiltersOrTransports( transports ),
-
-	// Main method
-	ajax: function( url, options ) {
-
-		// If url is an object, simulate pre-1.5 signature
-		if ( typeof url === "object" ) {
-			options = url;
-			url = undefined;
-		}
-
-		// Force options to be an object
-		options = options || {};
-
-		var transport,
-
-			// URL without anti-cache param
-			cacheURL,
-
-			// Response headers
-			responseHeadersString,
-			responseHeaders,
-
-			// timeout handle
-			timeoutTimer,
-
-			// Url cleanup var
-			urlAnchor,
-
-			// Request state (becomes false upon send and true upon completion)
-			completed,
-
-			// To know if global events are to be dispatched
-			fireGlobals,
-
-			// Loop variable
-			i,
-
-			// uncached part of the url
-			uncached,
-
-			// Create the final options object
-			s = jQuery.ajaxSetup( {}, options ),
-
-			// Callbacks context
-			callbackContext = s.context || s,
-
-			// Context for global events is callbackContext if it is a DOM node or jQuery collection
-			globalEventContext = s.context &&
-				( callbackContext.nodeType || callbackContext.jquery ) ?
-					jQuery( callbackContext ) :
-					jQuery.event,
-
-			// Deferreds
-			deferred = jQuery.Deferred(),
-			completeDeferred = jQuery.Callbacks( "once memory" ),
-
-			// Status-dependent callbacks
-			statusCode = s.statusCode || {},
-
-			// Headers (they are sent all at once)
-			requestHeaders = {},
-			requestHeadersNames = {},
-
-			// Default abort message
-			strAbort = "canceled",
-
-			// Fake xhr
-			jqXHR = {
-				readyState: 0,
-
-				// Builds headers hashtable if needed
-				getResponseHeader: function( key ) {
-					var match;
-					if ( completed ) {
-						if ( !responseHeaders ) {
-							responseHeaders = {};
-							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
-								responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
-									( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
-										.concat( match[ 2 ] );
-							}
-						}
-						match = responseHeaders[ key.toLowerCase() + " " ];
-					}
-					return match == null ? null : match.join( ", " );
-				},
-
-				// Raw string
-				getAllResponseHeaders: function() {
-					return completed ? responseHeadersString : null;
-				},
-
-				// Caches the header
-				setRequestHeader: function( name, value ) {
-					if ( completed == null ) {
-						name = requestHeadersNames[ name.toLowerCase() ] =
-							requestHeadersNames[ name.toLowerCase() ] || name;
-						requestHeaders[ name ] = value;
-					}
-					return this;
-				},
-
-				// Overrides response content-type header
-				overrideMimeType: function( type ) {
-					if ( completed == null ) {
-						s.mimeType = type;
-					}
-					return this;
-				},
-
-				// Status-dependent callbacks
-				statusCode: function( map ) {
-					var code;
-					if ( map ) {
-						if ( completed ) {
-
-							// Execute the appropriate callbacks
-							jqXHR.always( map[ jqXHR.status ] );
-						} else {
-
-							// Lazy-add the new callbacks in a way that preserves old ones
-							for ( code in map ) {
-								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
-							}
-						}
-					}
-					return this;
-				},
-
-				// Cancel the request
-				abort: function( statusText ) {
-					var finalText = statusText || strAbort;
-					if ( transport ) {
-						transport.abort( finalText );
-					}
-					done( 0, finalText );
-					return this;
-				}
-			};
-
-		// Attach deferreds
-		deferred.promise( jqXHR );
-
-		// Add protocol if not provided (prefilters might expect it)
-		// Handle falsy url in the settings object (#10093: consistency with old signature)
-		// We also use the url parameter if available
-		s.url = ( ( url || s.url || location.href ) + "" )
-			.replace( rprotocol, location.protocol + "//" );
-
-		// Alias method option to type as per ticket #12004
-		s.type = options.method || options.type || s.method || s.type;
-
-		// Extract dataTypes list
-		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
-
-		// A cross-domain request is in order when the origin doesn't match the current origin.
-		if ( s.crossDomain == null ) {
-			urlAnchor = document.createElement( "a" );
-
-			// Support: IE <=8 - 11, Edge 12 - 15
-			// IE throws exception on accessing the href property if url is malformed,
-			// e.g. http://example.com:80x/
-			try {
-				urlAnchor.href = s.url;
-
-				// Support: IE <=8 - 11 only
-				// Anchor's host property isn't correctly set when s.url is relative
-				urlAnchor.href = urlAnchor.href;
-				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
-					urlAnchor.protocol + "//" + urlAnchor.host;
-			} catch ( e ) {
-
-				// If there is an error parsing the URL, assume it is crossDomain,
-				// it can be rejected by the transport if it is invalid
-				s.crossDomain = true;
-			}
-		}
-
-		// Convert data if not already a string
-		if ( s.data && s.processData && typeof s.data !== "string" ) {
-			s.data = jQuery.param( s.data, s.traditional );
-		}
-
-		// Apply prefilters
-		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
-
-		// If request was aborted inside a prefilter, stop there
-		if ( completed ) {
-			return jqXHR;
-		}
-
-		// We can fire global events as of now if asked to
-		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
-		fireGlobals = jQuery.event && s.global;
-
-		// Watch for a new set of requests
-		if ( fireGlobals && jQuery.active++ === 0 ) {
-			jQuery.event.trigger( "ajaxStart" );
-		}
-
-		// Uppercase the type
-		s.type = s.type.toUpperCase();
-
-		// Determine if request has content
-		s.hasContent = !rnoContent.test( s.type );
-
-		// Save the URL in case we're toying with the If-Modified-Since
-		// and/or If-None-Match header later on
-		// Remove hash to simplify url manipulation
-		cacheURL = s.url.replace( rhash, "" );
-
-		// More options handling for requests with no content
-		if ( !s.hasContent ) {
-
-			// Remember the hash so we can put it back
-			uncached = s.url.slice( cacheURL.length );
-
-			// If data is available and should be processed, append data to url
-			if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
-				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
-
-				// #9682: remove data so that it's not used in an eventual retry
-				delete s.data;
-			}
-
-			// Add or update anti-cache param if needed
-			if ( s.cache === false ) {
-				cacheURL = cacheURL.replace( rantiCache, "$1" );
-				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) +
-					uncached;
-			}
-
-			// Put hash and anti-cache on the URL that will be requested (gh-1732)
-			s.url = cacheURL + uncached;
-
-		// Change '%20' to '+' if this is encoded form body content (gh-2658)
-		} else if ( s.data && s.processData &&
-			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
-			s.data = s.data.replace( r20, "+" );
-		}
-
-		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
-		if ( s.ifModified ) {
-			if ( jQuery.lastModified[ cacheURL ] ) {
-				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
-			}
-			if ( jQuery.etag[ cacheURL ] ) {
-				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
-			}
-		}
-
-		// Set the correct header, if data is being sent
-		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
-			jqXHR.setRequestHeader( "Content-Type", s.contentType );
-		}
-
-		// Set the Accepts header for the server, depending on the dataType
-		jqXHR.setRequestHeader(
-			"Accept",
-			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
-				s.accepts[ s.dataTypes[ 0 ] ] +
-					( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
-				s.accepts[ "*" ]
-		);
-
-		// Check for headers option
-		for ( i in s.headers ) {
-			jqXHR.setRequestHeader( i, s.headers[ i ] );
-		}
-
-		// Allow custom headers/mimetypes and early abort
-		if ( s.beforeSend &&
-			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
-
-			// Abort if not done already and return
-			return jqXHR.abort();
-		}
-
-		// Aborting is no longer a cancellation
-		strAbort = "abort";
-
-		// Install callbacks on deferreds
-		completeDeferred.add( s.complete );
-		jqXHR.done( s.success );
-		jqXHR.fail( s.error );
-
-		// Get transport
-		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
-
-		// If no transport, we auto-abort
-		if ( !transport ) {
-			done( -1, "No Transport" );
-		} else {
-			jqXHR.readyState = 1;
-
-			// Send global event
-			if ( fireGlobals ) {
-				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
-			}
-
-			// If request was aborted inside ajaxSend, stop there
-			if ( completed ) {
-				return jqXHR;
-			}
-
-			// Timeout
-			if ( s.async && s.timeout > 0 ) {
-				timeoutTimer = window.setTimeout( function() {
-					jqXHR.abort( "timeout" );
-				}, s.timeout );
-			}
-
-			try {
-				completed = false;
-				transport.send( requestHeaders, done );
-			} catch ( e ) {
-
-				// Rethrow post-completion exceptions
-				if ( completed ) {
-					throw e;
-				}
-
-				// Propagate others as results
-				done( -1, e );
-			}
-		}
-
-		// Callback for when everything is done
-		function done( status, nativeStatusText, responses, headers ) {
-			var isSuccess, success, error, response, modified,
-				statusText = nativeStatusText;
-
-			// Ignore repeat invocations
-			if ( completed ) {
-				return;
-			}
-
-			completed = true;
-
-			// Clear timeout if it exists
-			if ( timeoutTimer ) {
-				window.clearTimeout( timeoutTimer );
-			}
-
-			// Dereference transport for early garbage collection
-			// (no matter how long the jqXHR object will be used)
-			transport = undefined;
-
-			// Cache response headers
-			responseHeadersString = headers || "";
-
-			// Set readyState
-			jqXHR.readyState = status > 0 ? 4 : 0;
-
-			// Determine if successful
-			isSuccess = status >= 200 && status < 300 || status === 304;
-
-			// Get response data
-			if ( responses ) {
-				response = ajaxHandleResponses( s, jqXHR, responses );
-			}
-
-			// Use a noop converter for missing script
-			if ( !isSuccess && jQuery.inArray( "script", s.dataTypes ) > -1 ) {
-				s.converters[ "text script" ] = function() {};
-			}
-
-			// Convert no matter what (that way responseXXX fields are always set)
-			response = ajaxConvert( s, response, jqXHR, isSuccess );
-
-			// If successful, handle type chaining
-			if ( isSuccess ) {
-
-				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
-				if ( s.ifModified ) {
-					modified = jqXHR.getResponseHeader( "Last-Modified" );
-					if ( modified ) {
-						jQuery.lastModified[ cacheURL ] = modified;
-					}
-					modified = jqXHR.getResponseHeader( "etag" );
-					if ( modified ) {
-						jQuery.etag[ cacheURL ] = modified;
-					}
-				}
-
-				// if no content
-				if ( status === 204 || s.type === "HEAD" ) {
-					statusText = "nocontent";
-
-				// if not modified
-				} else if ( status === 304 ) {
-					statusText = "notmodified";
-
-				// If we have data, let's convert it
-				} else {
-					statusText = response.state;
-					success = response.data;
-					error = response.error;
-					isSuccess = !error;
-				}
-			} else {
-
-				// Extract error from statusText and normalize for non-aborts
-				error = statusText;
-				if ( status || !statusText ) {
-					statusText = "error";
-					if ( status < 0 ) {
-						status = 0;
-					}
-				}
-			}
-
-			// Set data for the fake xhr object
-			jqXHR.status = status;
-			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
-
-			// Success/Error
-			if ( isSuccess ) {
-				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
-			} else {
-				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
-			}
-
-			// Status-dependent callbacks
-			jqXHR.statusCode( statusCode );
-			statusCode = undefined;
-
-			if ( fireGlobals ) {
-				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
-					[ jqXHR, s, isSuccess ? success : error ] );
-			}
-
-			// Complete
-			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
-
-			if ( fireGlobals ) {
-				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
-
-				// Handle the global AJAX counter
-				if ( !( --jQuery.active ) ) {
-					jQuery.event.trigger( "ajaxStop" );
-				}
-			}
-		}
-
-		return jqXHR;
-	},
-
-	getJSON: function( url, data, callback ) {
-		return jQuery.get( url, data, callback, "json" );
-	},
-
-	getScript: function( url, callback ) {
-		return jQuery.get( url, undefined, callback, "script" );
-	}
-} );
-
-jQuery.each( [ "get", "post" ], function( _i, method ) {
-	jQuery[ method ] = function( url, data, callback, type ) {
-
-		// Shift arguments if data argument was omitted
-		if ( isFunction( data ) ) {
-			type = type || callback;
-			callback = data;
-			data = undefined;
-		}
-
-		// The url can be an options object (which then must have .url)
-		return jQuery.ajax( jQuery.extend( {
-			url: url,
-			type: method,
-			dataType: type,
-			data: data,
-			success: callback
-		}, jQuery.isPlainObject( url ) && url ) );
-	};
-} );
-
-jQuery.ajaxPrefilter( function( s ) {
-	var i;
-	for ( i in s.headers ) {
-		if ( i.toLowerCase() === "content-type" ) {
-			s.contentType = s.headers[ i ] || "";
-		}
-	}
-} );
-
-
-jQuery._evalUrl = function( url, options, doc ) {
-	return jQuery.ajax( {
-		url: url,
-
-		// Make this explicit, since user can override this through ajaxSetup (#11264)
-		type: "GET",
-		dataType: "script",
-		cache: true,
-		async: false,
-		global: false,
-
-		// Only evaluate the response if it is successful (gh-4126)
-		// dataFilter is not invoked for failure responses, so using it instead
-		// of the default converter is kludgy but it works.
-		converters: {
-			"text script": function() {}
-		},
-		dataFilter: function( response ) {
-			jQuery.globalEval( response, options, doc );
-		}
-	} );
-};
-
-
-jQuery.fn.extend( {
-	wrapAll: function( html ) {
-		var wrap;
-
-		if ( this[ 0 ] ) {
-			if ( isFunction( html ) ) {
-				html = html.call( this[ 0 ] );
-			}
-
-			// The elements to wrap the target around
-			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
-
-			if ( this[ 0 ].parentNode ) {
-				wrap.insertBefore( this[ 0 ] );
-			}
-
-			wrap.map( function() {
-				var elem = this;
-
-				while ( elem.firstElementChild ) {
-					elem = elem.firstElementChild;
-				}
-
-				return elem;
-			} ).append( this );
-		}
-
-		return this;
-	},
-
-	wrapInner: function( html ) {
-		if ( isFunction( html ) ) {
-			return this.each( function( i ) {
-				jQuery( this ).wrapInner( html.call( this, i ) );
-			} );
-		}
-
-		return this.each( function() {
-			var self = jQuery( this ),
-				contents = self.contents();
-
-			if ( contents.length ) {
-				contents.wrapAll( html );
-
-			} else {
-				self.append( html );
-			}
-		} );
-	},
-
-	wrap: function( html ) {
-		var htmlIsFunction = isFunction( html );
-
-		return this.each( function( i ) {
-			jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
-		} );
-	},
-
-	unwrap: function( selector ) {
-		this.parent( selector ).not( "body" ).each( function() {
-			jQuery( this ).replaceWith( this.childNodes );
-		} );
-		return this;
-	}
-} );
-
-
-jQuery.expr.pseudos.hidden = function( elem ) {
-	return !jQuery.expr.pseudos.visible( elem );
-};
-jQuery.expr.pseudos.visible = function( elem ) {
-	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
-};
-
-
-
-
-jQuery.ajaxSettings.xhr = function() {
-	try {
-		return new window.XMLHttpRequest();
-	} catch ( e ) {}
-};
-
-var xhrSuccessStatus = {
-
-		// File protocol always yields status code 0, assume 200
-		0: 200,
-
-		// Support: IE <=9 only
-		// #1450: sometimes IE returns 1223 when it should be 204
-		1223: 204
-	},
-	xhrSupported = jQuery.ajaxSettings.xhr();
-
-support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
-support.ajax = xhrSupported = !!xhrSupported;
-
-jQuery.ajaxTransport( function( options ) {
-	var callback, errorCallback;
-
-	// Cross domain only allowed if supported through XMLHttpRequest
-	if ( support.cors || xhrSupported && !options.crossDomain ) {
-		return {
-			send: function( headers, complete ) {
-				var i,
-					xhr = options.xhr();
-
-				xhr.open(
-					options.type,
-					options.url,
-					options.async,
-					options.username,
-					options.password
-				);
-
-				// Apply custom fields if provided
-				if ( options.xhrFields ) {
-					for ( i in options.xhrFields ) {
-						xhr[ i ] = options.xhrFields[ i ];
-					}
-				}
-
-				// Override mime type if needed
-				if ( options.mimeType && xhr.overrideMimeType ) {
-					xhr.overrideMimeType( options.mimeType );
-				}
-
-				// X-Requested-With header
-				// For cross-domain requests, seeing as conditions for a preflight are
-				// akin to a jigsaw puzzle, we simply never set it to be sure.
-				// (it can always be set on a per-request basis or even using ajaxSetup)
-				// For same-domain requests, won't change header if already provided.
-				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
-					headers[ "X-Requested-With" ] = "XMLHttpRequest";
-				}
-
-				// Set headers
-				for ( i in headers ) {
-					xhr.setRequestHeader( i, headers[ i ] );
-				}
-
-				// Callback
-				callback = function( type ) {
-					return function() {
-						if ( callback ) {
-							callback = errorCallback = xhr.onload =
-								xhr.onerror = xhr.onabort = xhr.ontimeout =
-									xhr.onreadystatechange = null;
-
-							if ( type === "abort" ) {
-								xhr.abort();
-							} else if ( type === "error" ) {
-
-								// Support: IE <=9 only
-								// On a manual native abort, IE9 throws
-								// errors on any property access that is not readyState
-								if ( typeof xhr.status !== "number" ) {
-									complete( 0, "error" );
-								} else {
-									complete(
-
-										// File: protocol always yields status 0; see #8605, #14207
-										xhr.status,
-										xhr.statusText
-									);
-								}
-							} else {
-								complete(
-									xhrSuccessStatus[ xhr.status ] || xhr.status,
-									xhr.statusText,
-
-									// Support: IE <=9 only
-									// IE9 has no XHR2 but throws on binary (trac-11426)
-									// For XHR2 non-text, let the caller handle it (gh-2498)
-									( xhr.responseType || "text" ) !== "text"  ||
-									typeof xhr.responseText !== "string" ?
-										{ binary: xhr.response } :
-										{ text: xhr.responseText },
-									xhr.getAllResponseHeaders()
-								);
-							}
-						}
-					};
-				};
-
-				// Listen to events
-				xhr.onload = callback();
-				errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
-
-				// Support: IE 9 only
-				// Use onreadystatechange to replace onabort
-				// to handle uncaught aborts
-				if ( xhr.onabort !== undefined ) {
-					xhr.onabort = errorCallback;
-				} else {
-					xhr.onreadystatechange = function() {
-
-						// Check readyState before timeout as it changes
-						if ( xhr.readyState === 4 ) {
-
-							// Allow onerror to be called first,
-							// but that will not handle a native abort
-							// Also, save errorCallback to a variable
-							// as xhr.onerror cannot be accessed
-							window.setTimeout( function() {
-								if ( callback ) {
-									errorCallback();
-								}
-							} );
-						}
-					};
-				}
-
-				// Create the abort callback
-				callback = callback( "abort" );
-
-				try {
-
-					// Do send the request (this may raise an exception)
-					xhr.send( options.hasContent && options.data || null );
-				} catch ( e ) {
-
-					// #14683: Only rethrow if this hasn't been notified as an error yet
-					if ( callback ) {
-						throw e;
-					}
-				}
-			},
-
-			abort: function() {
-				if ( callback ) {
-					callback();
-				}
-			}
-		};
-	}
-} );
-
-
-
-
-// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
-jQuery.ajaxPrefilter( function( s ) {
-	if ( s.crossDomain ) {
-		s.contents.script = false;
-	}
-} );
-
-// Install script dataType
-jQuery.ajaxSetup( {
-	accepts: {
-		script: "text/javascript, application/javascript, " +
-			"application/ecmascript, application/x-ecmascript"
-	},
-	contents: {
-		script: /\b(?:java|ecma)script\b/
-	},
-	converters: {
-		"text script": function( text ) {
-			jQuery.globalEval( text );
-			return text;
-		}
-	}
-} );
-
-// Handle cache's special case and crossDomain
-jQuery.ajaxPrefilter( "script", function( s ) {
-	if ( s.cache === undefined ) {
-		s.cache = false;
-	}
-	if ( s.crossDomain ) {
-		s.type = "GET";
-	}
-} );
-
-// Bind script tag hack transport
-jQuery.ajaxTransport( "script", function( s ) {
-
-	// This transport only deals with cross domain or forced-by-attrs requests
-	if ( s.crossDomain || s.scriptAttrs ) {
-		var script, callback;
-		return {
-			send: function( _, complete ) {
-				script = jQuery( "<script>" )
-					.attr( s.scriptAttrs || {} )
-					.prop( { charset: s.scriptCharset, src: s.url } )
-					.on( "load error", callback = function( evt ) {
-						script.remove();
-						callback = null;
-						if ( evt ) {
-							complete( evt.type === "error" ? 404 : 200, evt.type );
-						}
-					} );
-
-				// Use native DOM manipulation to avoid our domManip AJAX trickery
-				document.head.appendChild( script[ 0 ] );
-			},
-			abort: function() {
-				if ( callback ) {
-					callback();
-				}
-			}
-		};
-	}
-} );
-
-
-
-
-var oldCallbacks = [],
-	rjsonp = /(=)\?(?=&|$)|\?\?/;
-
-// Default jsonp settings
-jQuery.ajaxSetup( {
-	jsonp: "callback",
-	jsonpCallback: function() {
-		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) );
-		this[ callback ] = true;
-		return callback;
-	}
-} );
-
-// Detect, normalize options and install callbacks for jsonp requests
-jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
-
-	var callbackName, overwritten, responseContainer,
-		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
-			"url" :
-			typeof s.data === "string" &&
-				( s.contentType || "" )
-					.indexOf( "application/x-www-form-urlencoded" ) === 0 &&
-				rjsonp.test( s.data ) && "data"
-		);
-
-	// Handle iff the expected data type is "jsonp" or we have a parameter to set
-	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
-
-		// Get callback name, remembering preexisting value associated with it
-		callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
-			s.jsonpCallback() :
-			s.jsonpCallback;
-
-		// Insert callback into url or form data
-		if ( jsonProp ) {
-			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
-		} else if ( s.jsonp !== false ) {
-			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
-		}
-
-		// Use data converter to retrieve json after script execution
-		s.converters[ "script json" ] = function() {
-			if ( !responseContainer ) {
-				jQuery.error( callbackName + " was not called" );
-			}
-			return responseContainer[ 0 ];
-		};
-
-		// Force json dataType
-		s.dataTypes[ 0 ] = "json";
-
-		// Install callback
-		overwritten = window[ callbackName ];
-		window[ callbackName ] = function() {
-			responseContainer = arguments;
-		};
-
-		// Clean-up function (fires after converters)
-		jqXHR.always( function() {
-
-			// If previous value didn't exist - remove it
-			if ( overwritten === undefined ) {
-				jQuery( window ).removeProp( callbackName );
-
-			// Otherwise restore preexisting value
-			} else {
-				window[ callbackName ] = overwritten;
-			}
-
-			// Save back as free
-			if ( s[ callbackName ] ) {
-
-				// Make sure that re-using the options doesn't screw things around
-				s.jsonpCallback = originalSettings.jsonpCallback;
-
-				// Save the callback name for future use
-				oldCallbacks.push( callbackName );
-			}
-
-			// Call if it was a function and we have a response
-			if ( responseContainer && isFunction( overwritten ) ) {
-				overwritten( responseContainer[ 0 ] );
-			}
-
-			responseContainer = overwritten = undefined;
-		} );
-
-		// Delegate to script
-		return "script";
-	}
-} );
-
-
-
-
-// Support: Safari 8 only
-// In Safari 8 documents created via document.implementation.createHTMLDocument
-// collapse sibling forms: the second one becomes a child of the first one.
-// Because of that, this security measure has to be disabled in Safari 8.
-// https://bugs.webkit.org/show_bug.cgi?id=137337
-support.createHTMLDocument = ( function() {
-	var body = document.implementation.createHTMLDocument( "" ).body;
-	body.innerHTML = "<form></form><form></form>";
-	return body.childNodes.length === 2;
-} )();
-
-
-// Argument "data" should be string of html
-// context (optional): If specified, the fragment will be created in this context,
-// defaults to document
-// keepScripts (optional): If true, will include scripts passed in the html string
-jQuery.parseHTML = function( data, context, keepScripts ) {
-	if ( typeof data !== "string" ) {
-		return [];
-	}
-	if ( typeof context === "boolean" ) {
-		keepScripts = context;
-		context = false;
-	}
-
-	var base, parsed, scripts;
-
-	if ( !context ) {
-
-		// Stop scripts or inline event handlers from being executed immediately
-		// by using document.implementation
-		if ( support.createHTMLDocument ) {
-			context = document.implementation.createHTMLDocument( "" );
-
-			// Set the base href for the created document
-			// so any parsed elements with URLs
-			// are based on the document's URL (gh-2965)
-			base = context.createElement( "base" );
-			base.href = document.location.href;
-			context.head.appendChild( base );
-		} else {
-			context = document;
-		}
-	}
-
-	parsed = rsingleTag.exec( data );
-	scripts = !keepScripts && [];
-
-	// Single tag
-	if ( parsed ) {
-		return [ context.createElement( parsed[ 1 ] ) ];
-	}
-
-	parsed = buildFragment( [ data ], context, scripts );
-
-	if ( scripts && scripts.length ) {
-		jQuery( scripts ).remove();
-	}
-
-	return jQuery.merge( [], parsed.childNodes );
-};
-
-
-/**
- * Load a url into a page
- */
-jQuery.fn.load = function( url, params, callback ) {
-	var selector, type, response,
-		self = this,
-		off = url.indexOf( " " );
-
-	if ( off > -1 ) {
-		selector = stripAndCollapse( url.slice( off ) );
-		url = url.slice( 0, off );
-	}
-
-	// If it's a function
-	if ( isFunction( params ) ) {
-
-		// We assume that it's the callback
-		callback = params;
-		params = undefined;
-
-	// Otherwise, build a param string
-	} else if ( params && typeof params === "object" ) {
-		type = "POST";
-	}
-
-	// If we have elements to modify, make the request
-	if ( self.length > 0 ) {
-		jQuery.ajax( {
-			url: url,
-
-			// If "type" variable is undefined, then "GET" method will be used.
-			// Make value of this field explicit since
-			// user can override it through ajaxSetup method
-			type: type || "GET",
-			dataType: "html",
-			data: params
-		} ).done( function( responseText ) {
-
-			// Save response for use in complete callback
-			response = arguments;
-
-			self.html( selector ?
-
-				// If a selector was specified, locate the right elements in a dummy div
-				// Exclude scripts to avoid IE 'Permission Denied' errors
-				jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
-
-				// Otherwise use the full result
-				responseText );
-
-		// If the request succeeds, this function gets "data", "status", "jqXHR"
-		// but they are ignored because response was set above.
-		// If it fails, this function gets "jqXHR", "status", "error"
-		} ).always( callback && function( jqXHR, status ) {
-			self.each( function() {
-				callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
-			} );
-		} );
-	}
-
-	return this;
-};
-
-
-
-
-jQuery.expr.pseudos.animated = function( elem ) {
-	return jQuery.grep( jQuery.timers, function( fn ) {
-		return elem === fn.elem;
-	} ).length;
-};
-
-
-
-
-jQuery.offset = {
-	setOffset: function( elem, options, i ) {
-		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
-			position = jQuery.css( elem, "position" ),
-			curElem = jQuery( elem ),
-			props = {};
-
-		// Set position first, in-case top/left are set even on static elem
-		if ( position === "static" ) {
-			elem.style.position = "relative";
-		}
-
-		curOffset = curElem.offset();
-		curCSSTop = jQuery.css( elem, "top" );
-		curCSSLeft = jQuery.css( elem, "left" );
-		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
-			( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
-
-		// Need to be able to calculate position if either
-		// top or left is auto and position is either absolute or fixed
-		if ( calculatePosition ) {
-			curPosition = curElem.position();
-			curTop = curPosition.top;
-			curLeft = curPosition.left;
-
-		} else {
-			curTop = parseFloat( curCSSTop ) || 0;
-			curLeft = parseFloat( curCSSLeft ) || 0;
-		}
-
-		if ( isFunction( options ) ) {
-
-			// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
-			options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
-		}
-
-		if ( options.top != null ) {
-			props.top = ( options.top - curOffset.top ) + curTop;
-		}
-		if ( options.left != null ) {
-			props.left = ( options.left - curOffset.left ) + curLeft;
-		}
-
-		if ( "using" in options ) {
-			options.using.call( elem, props );
-
-		} else {
-			if ( typeof props.top === "number" ) {
-				props.top += "px";
-			}
-			if ( typeof props.left === "number" ) {
-				props.left += "px";
-			}
-			curElem.css( props );
-		}
-	}
-};
-
-jQuery.fn.extend( {
-
-	// offset() relates an element's border box to the document origin
-	offset: function( options ) {
-
-		// Preserve chaining for setter
-		if ( arguments.length ) {
-			return options === undefined ?
-				this :
-				this.each( function( i ) {
-					jQuery.offset.setOffset( this, options, i );
-				} );
-		}
-
-		var rect, win,
-			elem = this[ 0 ];
-
-		if ( !elem ) {
-			return;
-		}
-
-		// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
-		// Support: IE <=11 only
-		// Running getBoundingClientRect on a
-		// disconnected node in IE throws an error
-		if ( !elem.getClientRects().length ) {
-			return { top: 0, left: 0 };
-		}
-
-		// Get document-relative position by adding viewport scroll to viewport-relative gBCR
-		rect = elem.getBoundingClientRect();
-		win = elem.ownerDocument.defaultView;
-		return {
-			top: rect.top + win.pageYOffset,
-			left: rect.left + win.pageXOffset
-		};
-	},
-
-	// position() relates an element's margin box to its offset parent's padding box
-	// This corresponds to the behavior of CSS absolute positioning
-	position: function() {
-		if ( !this[ 0 ] ) {
-			return;
-		}
-
-		var offsetParent, offset, doc,
-			elem = this[ 0 ],
-			parentOffset = { top: 0, left: 0 };
-
-		// position:fixed elements are offset from the viewport, which itself always has zero offset
-		if ( jQuery.css( elem, "position" ) === "fixed" ) {
-
-			// Assume position:fixed implies availability of getBoundingClientRect
-			offset = elem.getBoundingClientRect();
-
-		} else {
-			offset = this.offset();
-
-			// Account for the *real* offset parent, which can be the document or its root element
-			// when a statically positioned element is identified
-			doc = elem.ownerDocument;
-			offsetParent = elem.offsetParent || doc.documentElement;
-			while ( offsetParent &&
-				( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
-				jQuery.css( offsetParent, "position" ) === "static" ) {
-
-				offsetParent = offsetParent.parentNode;
-			}
-			if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
-
-				// Incorporate borders into its offset, since they are outside its content origin
-				parentOffset = jQuery( offsetParent ).offset();
-				parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
-				parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
-			}
-		}
-
-		// Subtract parent offsets and element margins
-		return {
-			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
-			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
-		};
-	},
-
-	// This method will return documentElement in the following cases:
-	// 1) For the element inside the iframe without offsetParent, this method will return
-	//    documentElement of the parent window
-	// 2) For the hidden or detached element
-	// 3) For body or html element, i.e. in case of the html node - it will return itself
-	//
-	// but those exceptions were never presented as a real life use-cases
-	// and might be considered as more preferable results.
-	//
-	// This logic, however, is not guaranteed and can change at any point in the future
-	offsetParent: function() {
-		return this.map( function() {
-			var offsetParent = this.offsetParent;
-
-			while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
-				offsetParent = offsetParent.offsetParent;
-			}
-
-			return offsetParent || documentElement;
-		} );
-	}
-} );
-
-// Create scrollLeft and scrollTop methods
-jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
-	var top = "pageYOffset" === prop;
-
-	jQuery.fn[ method ] = function( val ) {
-		return access( this, function( elem, method, val ) {
-
-			// Coalesce documents and windows
-			var win;
-			if ( isWindow( elem ) ) {
-				win = elem;
-			} else if ( elem.nodeType === 9 ) {
-				win = elem.defaultView;
-			}
-
-			if ( val === undefined ) {
-				return win ? win[ prop ] : elem[ method ];
-			}
-
-			if ( win ) {
-				win.scrollTo(
-					!top ? val : win.pageXOffset,
-					top ? val : win.pageYOffset
-				);
-
-			} else {
-				elem[ method ] = val;
-			}
-		}, method, val, arguments.length );
-	};
-} );
-
-// Support: Safari <=7 - 9.1, Chrome <=37 - 49
-// Add the top/left cssHooks using jQuery.fn.position
-// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
-// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
-// getComputedStyle returns percent when specified for top/left/bottom/right;
-// rather than make the css module depend on the offset module, just check for it here
-jQuery.each( [ "top", "left" ], function( _i, prop ) {
-	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
-		function( elem, computed ) {
-			if ( computed ) {
-				computed = curCSS( elem, prop );
-
-				// If curCSS returns percentage, fallback to offset
-				return rnumnonpx.test( computed ) ?
-					jQuery( elem ).position()[ prop ] + "px" :
-					computed;
-			}
-		}
-	);
-} );
-
-
-// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
-jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
-	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
-		function( defaultExtra, funcName ) {
-
-		// Margin is only for outerHeight, outerWidth
-		jQuery.fn[ funcName ] = function( margin, value ) {
-			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
-				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
-
-			return access( this, function( elem, type, value ) {
-				var doc;
-
-				if ( isWindow( elem ) ) {
-
-					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
-					return funcName.indexOf( "outer" ) === 0 ?
-						elem[ "inner" + name ] :
-						elem.document.documentElement[ "client" + name ];
-				}
-
-				// Get document width or height
-				if ( elem.nodeType === 9 ) {
-					doc = elem.documentElement;
-
-					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
-					// whichever is greatest
-					return Math.max(
-						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
-						elem.body[ "offset" + name ], doc[ "offset" + name ],
-						doc[ "client" + name ]
-					);
-				}
-
-				return value === undefined ?
-
-					// Get width or height on the element, requesting but not forcing parseFloat
-					jQuery.css( elem, type, extra ) :
-
-					// Set width or height on the element
-					jQuery.style( elem, type, value, extra );
-			}, type, chainable ? margin : undefined, chainable );
-		};
-	} );
-} );
-
-
-jQuery.each( [
-	"ajaxStart",
-	"ajaxStop",
-	"ajaxComplete",
-	"ajaxError",
-	"ajaxSuccess",
-	"ajaxSend"
-], function( _i, type ) {
-	jQuery.fn[ type ] = function( fn ) {
-		return this.on( type, fn );
-	};
-} );
-
-
-
-
-jQuery.fn.extend( {
-
-	bind: function( types, data, fn ) {
-		return this.on( types, null, data, fn );
-	},
-	unbind: function( types, fn ) {
-		return this.off( types, null, fn );
-	},
-
-	delegate: function( selector, types, data, fn ) {
-		return this.on( types, selector, data, fn );
-	},
-	undelegate: function( selector, types, fn ) {
-
-		// ( namespace ) or ( selector, types [, fn] )
-		return arguments.length === 1 ?
-			this.off( selector, "**" ) :
-			this.off( types, selector || "**", fn );
-	},
-
-	hover: function( fnOver, fnOut ) {
-		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
-	}
-} );
-
-jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
-	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
-	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
-	function( _i, name ) {
-
-		// Handle event binding
-		jQuery.fn[ name ] = function( data, fn ) {
-			return arguments.length > 0 ?
-				this.on( name, null, data, fn ) :
-				this.trigger( name );
-		};
-	} );
-
-
-
-
-// Support: Android <=4.0 only
-// Make sure we trim BOM and NBSP
-var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
-
-// Bind a function to a context, optionally partially applying any
-// arguments.
-// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
-// However, it is not slated for removal any time soon
-jQuery.proxy = function( fn, context ) {
-	var tmp, args, proxy;
-
-	if ( typeof context === "string" ) {
-		tmp = fn[ context ];
-		context = fn;
-		fn = tmp;
-	}
-
-	// Quick check to determine if target is callable, in the spec
-	// this throws a TypeError, but we will just return undefined.
-	if ( !isFunction( fn ) ) {
-		return undefined;
-	}
-
-	// Simulated bind
-	args = slice.call( arguments, 2 );
-	proxy = function() {
-		return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
-	};
-
-	// Set the guid of unique handler to the same of original handler, so it can be removed
-	proxy.guid = fn.guid = fn.guid || jQuery.guid++;
-
-	return proxy;
-};
-
-jQuery.holdReady = function( hold ) {
-	if ( hold ) {
-		jQuery.readyWait++;
-	} else {
-		jQuery.ready( true );
-	}
-};
-jQuery.isArray = Array.isArray;
-jQuery.parseJSON = JSON.parse;
-jQuery.nodeName = nodeName;
-jQuery.isFunction = isFunction;
-jQuery.isWindow = isWindow;
-jQuery.camelCase = camelCase;
-jQuery.type = toType;
-
-jQuery.now = Date.now;
-
-jQuery.isNumeric = function( obj ) {
-
-	// As of jQuery 3.0, isNumeric is limited to
-	// strings and numbers (primitives or objects)
-	// that can be coerced to finite numbers (gh-2662)
-	var type = jQuery.type( obj );
-	return ( type === "number" || type === "string" ) &&
-
-		// parseFloat NaNs numeric-cast false positives ("")
-		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
-		// subtraction forces infinities to NaN
-		!isNaN( obj - parseFloat( obj ) );
-};
-
-jQuery.trim = function( text ) {
-	return text == null ?
-		"" :
-		( text + "" ).replace( rtrim, "" );
-};
-
-
-
-// Register as a named AMD module, since jQuery can be concatenated with other
-// files that may use define, but not via a proper concatenation script that
-// understands anonymous AMD modules. A named AMD is safest and most robust
-// way to register. Lowercase jquery is used because AMD module names are
-// derived from file names, and jQuery is normally delivered in a lowercase
-// file name. Do this after creating the global so that if an AMD module wants
-// to call noConflict to hide this version of jQuery, it will work.
-
-// Note that for maximum portability, libraries that are not jQuery should
-// declare themselves as anonymous modules, and avoid setting a global if an
-// AMD loader is present. jQuery is a special case. For more information, see
-// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
-
-if ( typeof define === "function" && define.amd ) {
-	define( "jquery", [], function() {
-		return jQuery;
-	} );
-}
-
-
-
-
-var
-
-	// Map over jQuery in case of overwrite
-	_jQuery = window.jQuery,
-
-	// Map over the $ in case of overwrite
-	_$ = window.$;
-
-jQuery.noConflict = function( deep ) {
-	if ( window.$ === jQuery ) {
-		window.$ = _$;
-	}
-
-	if ( deep && window.jQuery === jQuery ) {
-		window.jQuery = _jQuery;
-	}
-
-	return jQuery;
-};
-
-// Expose jQuery and $ identifiers, even in AMD
-// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
-// and CommonJS for browser emulators (#13566)
-if ( typeof noGlobal === "undefined" ) {
-	window.jQuery = window.$ = jQuery;
-}
-
-
-
-
-return jQuery;
-} );
diff --git a/third_party/fmt-9.1.0/doc/html/_static/jquery.js b/third_party/fmt-9.1.0/doc/html/_static/jquery.js
deleted file mode 100644
index b0614034..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/jquery.js
+++ /dev/null
@@ -1,2 +0,0 @@
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/language_data.js b/third_party/fmt-9.1.0/doc/html/_static/language_data.js
deleted file mode 100644
index d2b4ee91..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/language_data.js
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- * language_data.js
- * ~~~~~~~~~~~~~~~~
- *
- * This script contains the language-specific data used by searchtools.js,
- * namely the list of stopwords, stemmer, scorer and splitter.
- *
- * :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
- * :license: BSD, see LICENSE for details.
- *
- */
-
-var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
-
-
-/* Non-minified version JS is _stemmer.js if file is provided */ 
-/**
- * Porter Stemmer
- */
-var Stemmer = function() {
-
-  var step2list = {
-    ational: 'ate',
-    tional: 'tion',
-    enci: 'ence',
-    anci: 'ance',
-    izer: 'ize',
-    bli: 'ble',
-    alli: 'al',
-    entli: 'ent',
-    eli: 'e',
-    ousli: 'ous',
-    ization: 'ize',
-    ation: 'ate',
-    ator: 'ate',
-    alism: 'al',
-    iveness: 'ive',
-    fulness: 'ful',
-    ousness: 'ous',
-    aliti: 'al',
-    iviti: 'ive',
-    biliti: 'ble',
-    logi: 'log'
-  };
-
-  var step3list = {
-    icate: 'ic',
-    ative: '',
-    alize: 'al',
-    iciti: 'ic',
-    ical: 'ic',
-    ful: '',
-    ness: ''
-  };
-
-  var c = "[^aeiou]";          // consonant
-  var v = "[aeiouy]";          // vowel
-  var C = c + "[^aeiouy]*";    // consonant sequence
-  var V = v + "[aeiou]*";      // vowel sequence
-
-  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
-  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
-  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
-  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
-
-  this.stemWord = function (w) {
-    var stem;
-    var suffix;
-    var firstch;
-    var origword = w;
-
-    if (w.length < 3)
-      return w;
-
-    var re;
-    var re2;
-    var re3;
-    var re4;
-
-    firstch = w.substr(0,1);
-    if (firstch == "y")
-      w = firstch.toUpperCase() + w.substr(1);
-
-    // Step 1a
-    re = /^(.+?)(ss|i)es$/;
-    re2 = /^(.+?)([^s])s$/;
-
-    if (re.test(w))
-      w = w.replace(re,"$1$2");
-    else if (re2.test(w))
-      w = w.replace(re2,"$1$2");
-
-    // Step 1b
-    re = /^(.+?)eed$/;
-    re2 = /^(.+?)(ed|ing)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      re = new RegExp(mgr0);
-      if (re.test(fp[1])) {
-        re = /.$/;
-        w = w.replace(re,"");
-      }
-    }
-    else if (re2.test(w)) {
-      var fp = re2.exec(w);
-      stem = fp[1];
-      re2 = new RegExp(s_v);
-      if (re2.test(stem)) {
-        w = stem;
-        re2 = /(at|bl|iz)$/;
-        re3 = new RegExp("([^aeiouylsz])\\1$");
-        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-        if (re2.test(w))
-          w = w + "e";
-        else if (re3.test(w)) {
-          re = /.$/;
-          w = w.replace(re,"");
-        }
-        else if (re4.test(w))
-          w = w + "e";
-      }
-    }
-
-    // Step 1c
-    re = /^(.+?)y$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(s_v);
-      if (re.test(stem))
-        w = stem + "i";
-    }
-
-    // Step 2
-    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      suffix = fp[2];
-      re = new RegExp(mgr0);
-      if (re.test(stem))
-        w = stem + step2list[suffix];
-    }
-
-    // Step 3
-    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      suffix = fp[2];
-      re = new RegExp(mgr0);
-      if (re.test(stem))
-        w = stem + step3list[suffix];
-    }
-
-    // Step 4
-    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
-    re2 = /^(.+?)(s|t)(ion)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(mgr1);
-      if (re.test(stem))
-        w = stem;
-    }
-    else if (re2.test(w)) {
-      var fp = re2.exec(w);
-      stem = fp[1] + fp[2];
-      re2 = new RegExp(mgr1);
-      if (re2.test(stem))
-        w = stem;
-    }
-
-    // Step 5
-    re = /^(.+?)e$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(mgr1);
-      re2 = new RegExp(meq1);
-      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
-        w = stem;
-    }
-    re = /ll$/;
-    re2 = new RegExp(mgr1);
-    if (re.test(w) && re2.test(w)) {
-      re = /.$/;
-      w = w.replace(re,"");
-    }
-
-    // and turn initial Y back to y
-    if (firstch == "y")
-      w = firstch.toLowerCase() + w.substr(1);
-    return w;
-  }
-}
-
-
-
-
-
-var splitChars = (function() {
-    var result = {};
-    var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648,
-         1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702,
-         2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971,
-         2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345,
-         3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761,
-         3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823,
-         4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125,
-         8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695,
-         11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587,
-         43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141];
-    var i, j, start, end;
-    for (i = 0; i < singles.length; i++) {
-        result[singles[i]] = true;
-    }
-    var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709],
-         [722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161],
-         [1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568],
-         [1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807],
-         [1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047],
-         [2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383],
-         [2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450],
-         [2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547],
-         [2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673],
-         [2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820],
-         [2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946],
-         [2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023],
-         [3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173],
-         [3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332],
-         [3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481],
-         [3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718],
-         [3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791],
-         [3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095],
-         [4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205],
-         [4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687],
-         [4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968],
-         [4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869],
-         [5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102],
-         [6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271],
-         [6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592],
-         [6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822],
-         [6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167],
-         [7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959],
-         [7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143],
-         [8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318],
-         [8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483],
-         [8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101],
-         [10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567],
-         [11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292],
-         [12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444],
-         [12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783],
-         [12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311],
-         [19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511],
-         [42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774],
-         [42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071],
-         [43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263],
-         [43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519],
-         [43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647],
-         [43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967],
-         [44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295],
-         [57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274],
-         [64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007],
-         [65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381],
-         [65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]];
-    for (i = 0; i < ranges.length; i++) {
-        start = ranges[i][0];
-        end = ranges[i][1];
-        for (j = start; j <= end; j++) {
-            result[j] = true;
-        }
-    }
-    return result;
-})();
-
-function splitQuery(query) {
-    var result = [];
-    var start = -1;
-    for (var i = 0; i < query.length; i++) {
-        if (splitChars[query.charCodeAt(i)]) {
-            if (start !== -1) {
-                result.push(query.slice(start, i));
-                start = -1;
-            }
-        } else if (start === -1) {
-            start = i;
-        }
-    }
-    if (start !== -1) {
-        result.push(query.slice(start));
-    }
-    return result;
-}
-
-
diff --git a/third_party/fmt-9.1.0/doc/html/_static/minus.png b/third_party/fmt-9.1.0/doc/html/_static/minus.png
deleted file mode 100644
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diff --git a/third_party/fmt-9.1.0/doc/html/_static/searchtools.js b/third_party/fmt-9.1.0/doc/html/_static/searchtools.js
deleted file mode 100644
index 261ecaa9..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/searchtools.js
+++ /dev/null
@@ -1,514 +0,0 @@
-/*
- * searchtools.js
- * ~~~~~~~~~~~~~~~~
- *
- * Sphinx JavaScript utilities for the full-text search.
- *
- * :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
- * :license: BSD, see LICENSE for details.
- *
- */
-
-if (!Scorer) {
-  /**
-   * Simple result scoring code.
-   */
-  var Scorer = {
-    // Implement the following function to further tweak the score for each result
-    // The function takes a result array [filename, title, anchor, descr, score]
-    // and returns the new score.
-    /*
-    score: function(result) {
-      return result[4];
-    },
-    */
-
-    // query matches the full name of an object
-    objNameMatch: 11,
-    // or matches in the last dotted part of the object name
-    objPartialMatch: 6,
-    // Additive scores depending on the priority of the object
-    objPrio: {0:  15,   // used to be importantResults
-              1:  5,   // used to be objectResults
-              2: -5},  // used to be unimportantResults
-    //  Used when the priority is not in the mapping.
-    objPrioDefault: 0,
-
-    // query found in title
-    title: 15,
-    partialTitle: 7,
-    // query found in terms
-    term: 5,
-    partialTerm: 2
-  };
-}
-
-if (!splitQuery) {
-  function splitQuery(query) {
-    return query.split(/\s+/);
-  }
-}
-
-/**
- * Search Module
- */
-var Search = {
-
-  _index : null,
-  _queued_query : null,
-  _pulse_status : -1,
-
-  htmlToText : function(htmlString) {
-      var virtualDocument = document.implementation.createHTMLDocument('virtual');
-      var htmlElement = $(htmlString, virtualDocument);
-      htmlElement.find('.headerlink').remove();
-      docContent = htmlElement.find('[role=main]')[0];
-      if(docContent === undefined) {
-          console.warn("Content block not found. Sphinx search tries to obtain it " +
-                       "via '[role=main]'. Could you check your theme or template.");
-          return "";
-      }
-      return docContent.textContent || docContent.innerText;
-  },
-
-  init : function() {
-      var params = $.getQueryParameters();
-      if (params.q) {
-          var query = params.q[0];
-          $('input[name="q"]')[0].value = query;
-          this.performSearch(query);
-      }
-  },
-
-  loadIndex : function(url) {
-    $.ajax({type: "GET", url: url, data: null,
-            dataType: "script", cache: true,
-            complete: function(jqxhr, textstatus) {
-              if (textstatus != "success") {
-                document.getElementById("searchindexloader").src = url;
-              }
-            }});
-  },
-
-  setIndex : function(index) {
-    var q;
-    this._index = index;
-    if ((q = this._queued_query) !== null) {
-      this._queued_query = null;
-      Search.query(q);
-    }
-  },
-
-  hasIndex : function() {
-      return this._index !== null;
-  },
-
-  deferQuery : function(query) {
-      this._queued_query = query;
-  },
-
-  stopPulse : function() {
-      this._pulse_status = 0;
-  },
-
-  startPulse : function() {
-    if (this._pulse_status >= 0)
-        return;
-    function pulse() {
-      var i;
-      Search._pulse_status = (Search._pulse_status + 1) % 4;
-      var dotString = '';
-      for (i = 0; i < Search._pulse_status; i++)
-        dotString += '.';
-      Search.dots.text(dotString);
-      if (Search._pulse_status > -1)
-        window.setTimeout(pulse, 500);
-    }
-    pulse();
-  },
-
-  /**
-   * perform a search for something (or wait until index is loaded)
-   */
-  performSearch : function(query) {
-    // create the required interface elements
-    this.out = $('#search-results');
-    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
-    this.dots = $('<span></span>').appendTo(this.title);
-    this.status = $('<p class="search-summary">&nbsp;</p>').appendTo(this.out);
-    this.output = $('<ul class="search"/>').appendTo(this.out);
-
-    $('#search-progress').text(_('Preparing search...'));
-    this.startPulse();
-
-    // index already loaded, the browser was quick!
-    if (this.hasIndex())
-      this.query(query);
-    else
-      this.deferQuery(query);
-  },
-
-  /**
-   * execute search (requires search index to be loaded)
-   */
-  query : function(query) {
-    var i;
-
-    // stem the searchterms and add them to the correct list
-    var stemmer = new Stemmer();
-    var searchterms = [];
-    var excluded = [];
-    var hlterms = [];
-    var tmp = splitQuery(query);
-    var objectterms = [];
-    for (i = 0; i < tmp.length; i++) {
-      if (tmp[i] !== "") {
-          objectterms.push(tmp[i].toLowerCase());
-      }
-
-      if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i] === "") {
-        // skip this "word"
-        continue;
-      }
-      // stem the word
-      var word = stemmer.stemWord(tmp[i].toLowerCase());
-      // prevent stemmer from cutting word smaller than two chars
-      if(word.length < 3 && tmp[i].length >= 3) {
-        word = tmp[i];
-      }
-      var toAppend;
-      // select the correct list
-      if (word[0] == '-') {
-        toAppend = excluded;
-        word = word.substr(1);
-      }
-      else {
-        toAppend = searchterms;
-        hlterms.push(tmp[i].toLowerCase());
-      }
-      // only add if not already in the list
-      if (!$u.contains(toAppend, word))
-        toAppend.push(word);
-    }
-    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
-
-    // console.debug('SEARCH: searching for:');
-    // console.info('required: ', searchterms);
-    // console.info('excluded: ', excluded);
-
-    // prepare search
-    var terms = this._index.terms;
-    var titleterms = this._index.titleterms;
-
-    // array of [filename, title, anchor, descr, score]
-    var results = [];
-    $('#search-progress').empty();
-
-    // lookup as object
-    for (i = 0; i < objectterms.length; i++) {
-      var others = [].concat(objectterms.slice(0, i),
-                             objectterms.slice(i+1, objectterms.length));
-      results = results.concat(this.performObjectSearch(objectterms[i], others));
-    }
-
-    // lookup as search terms in fulltext
-    results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
-
-    // let the scorer override scores with a custom scoring function
-    if (Scorer.score) {
-      for (i = 0; i < results.length; i++)
-        results[i][4] = Scorer.score(results[i]);
-    }
-
-    // now sort the results by score (in opposite order of appearance, since the
-    // display function below uses pop() to retrieve items) and then
-    // alphabetically
-    results.sort(function(a, b) {
-      var left = a[4];
-      var right = b[4];
-      if (left > right) {
-        return 1;
-      } else if (left < right) {
-        return -1;
-      } else {
-        // same score: sort alphabetically
-        left = a[1].toLowerCase();
-        right = b[1].toLowerCase();
-        return (left > right) ? -1 : ((left < right) ? 1 : 0);
-      }
-    });
-
-    // for debugging
-    //Search.lastresults = results.slice();  // a copy
-    //console.info('search results:', Search.lastresults);
-
-    // print the results
-    var resultCount = results.length;
-    function displayNextItem() {
-      // results left, load the summary and display it
-      if (results.length) {
-        var item = results.pop();
-        var listItem = $('<li style="display:none"></li>');
-        var requestUrl = "";
-        var linkUrl = "";
-        if (DOCUMENTATION_OPTIONS.BUILDER === 'dirhtml') {
-          // dirhtml builder
-          var dirname = item[0] + '/';
-          if (dirname.match(/\/index\/$/)) {
-            dirname = dirname.substring(0, dirname.length-6);
-          } else if (dirname == 'index/') {
-            dirname = '';
-          }
-          requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + dirname;
-          linkUrl = requestUrl;
-
-        } else {
-          // normal html builders
-          requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX;
-          linkUrl = item[0] + DOCUMENTATION_OPTIONS.LINK_SUFFIX;
-        }
-        listItem.append($('<a/>').attr('href',
-            linkUrl +
-            highlightstring + item[2]).html(item[1]));
-        if (item[3]) {
-          listItem.append($('<span> (' + item[3] + ')</span>'));
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
-          $.ajax({url: requestUrl,
-                  dataType: "text",
-                  complete: function(jqxhr, textstatus) {
-                    var data = jqxhr.responseText;
-                    if (data !== '' && data !== undefined) {
-                      listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
-                    }
-                    Search.output.append(listItem);
-                    listItem.slideDown(5, function() {
-                      displayNextItem();
-                    });
-                  }});
-        } else {
-          // no source available, just display title
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        }
-      }
-      // search finished, update title and status message
-      else {
-        Search.stopPulse();
-        Search.title.text(_('Search Results'));
-        if (!resultCount)
-          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
-        else
-            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
-        Search.status.fadeIn(500);
-      }
-    }
-    displayNextItem();
-  },
-
-  /**
-   * search for object names
-   */
-  performObjectSearch : function(object, otherterms) {
-    var filenames = this._index.filenames;
-    var docnames = this._index.docnames;
-    var objects = this._index.objects;
-    var objnames = this._index.objnames;
-    var titles = this._index.titles;
-
-    var i;
-    var results = [];
-
-    for (var prefix in objects) {
-      for (var name in objects[prefix]) {
-        var fullname = (prefix ? prefix + '.' : '') + name;
-        var fullnameLower = fullname.toLowerCase()
-        if (fullnameLower.indexOf(object) > -1) {
-          var score = 0;
-          var parts = fullnameLower.split('.');
-          // check for different match types: exact matches of full name or
-          // "last name" (i.e. last dotted part)
-          if (fullnameLower == object || parts[parts.length - 1] == object) {
-            score += Scorer.objNameMatch;
-          // matches in last name
-          } else if (parts[parts.length - 1].indexOf(object) > -1) {
-            score += Scorer.objPartialMatch;
-          }
-          var match = objects[prefix][name];
-          var objname = objnames[match[1]][2];
-          var title = titles[match[0]];
-          // If more than one term searched for, we require other words to be
-          // found in the name/title/description
-          if (otherterms.length > 0) {
-            var haystack = (prefix + ' ' + name + ' ' +
-                            objname + ' ' + title).toLowerCase();
-            var allfound = true;
-            for (i = 0; i < otherterms.length; i++) {
-              if (haystack.indexOf(otherterms[i]) == -1) {
-                allfound = false;
-                break;
-              }
-            }
-            if (!allfound) {
-              continue;
-            }
-          }
-          var descr = objname + _(', in ') + title;
-
-          var anchor = match[3];
-          if (anchor === '')
-            anchor = fullname;
-          else if (anchor == '-')
-            anchor = objnames[match[1]][1] + '-' + fullname;
-          // add custom score for some objects according to scorer
-          if (Scorer.objPrio.hasOwnProperty(match[2])) {
-            score += Scorer.objPrio[match[2]];
-          } else {
-            score += Scorer.objPrioDefault;
-          }
-          results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
-        }
-      }
-    }
-
-    return results;
-  },
-
-  /**
-   * search for full-text terms in the index
-   */
-  performTermsSearch : function(searchterms, excluded, terms, titleterms) {
-    var docnames = this._index.docnames;
-    var filenames = this._index.filenames;
-    var titles = this._index.titles;
-
-    var i, j, file;
-    var fileMap = {};
-    var scoreMap = {};
-    var results = [];
-
-    // perform the search on the required terms
-    for (i = 0; i < searchterms.length; i++) {
-      var word = searchterms[i];
-      var files = [];
-      var _o = [
-        {files: terms[word], score: Scorer.term},
-        {files: titleterms[word], score: Scorer.title}
-      ];
-      // add support for partial matches
-      if (word.length > 2) {
-        for (var w in terms) {
-          if (w.match(word) && !terms[word]) {
-            _o.push({files: terms[w], score: Scorer.partialTerm})
-          }
-        }
-        for (var w in titleterms) {
-          if (w.match(word) && !titleterms[word]) {
-              _o.push({files: titleterms[w], score: Scorer.partialTitle})
-          }
-        }
-      }
-
-      // no match but word was a required one
-      if ($u.every(_o, function(o){return o.files === undefined;})) {
-        break;
-      }
-      // found search word in contents
-      $u.each(_o, function(o) {
-        var _files = o.files;
-        if (_files === undefined)
-          return
-
-        if (_files.length === undefined)
-          _files = [_files];
-        files = files.concat(_files);
-
-        // set score for the word in each file to Scorer.term
-        for (j = 0; j < _files.length; j++) {
-          file = _files[j];
-          if (!(file in scoreMap))
-            scoreMap[file] = {};
-          scoreMap[file][word] = o.score;
-        }
-      });
-
-      // create the mapping
-      for (j = 0; j < files.length; j++) {
-        file = files[j];
-        if (file in fileMap && fileMap[file].indexOf(word) === -1)
-          fileMap[file].push(word);
-        else
-          fileMap[file] = [word];
-      }
-    }
-
-    // now check if the files don't contain excluded terms
-    for (file in fileMap) {
-      var valid = true;
-
-      // check if all requirements are matched
-      var filteredTermCount = // as search terms with length < 3 are discarded: ignore
-        searchterms.filter(function(term){return term.length > 2}).length
-      if (
-        fileMap[file].length != searchterms.length &&
-        fileMap[file].length != filteredTermCount
-      ) continue;
-
-      // ensure that none of the excluded terms is in the search result
-      for (i = 0; i < excluded.length; i++) {
-        if (terms[excluded[i]] == file ||
-            titleterms[excluded[i]] == file ||
-            $u.contains(terms[excluded[i]] || [], file) ||
-            $u.contains(titleterms[excluded[i]] || [], file)) {
-          valid = false;
-          break;
-        }
-      }
-
-      // if we have still a valid result we can add it to the result list
-      if (valid) {
-        // select one (max) score for the file.
-        // for better ranking, we should calculate ranking by using words statistics like basic tf-idf...
-        var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]}));
-        results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
-      }
-    }
-    return results;
-  },
-
-  /**
-   * helper function to return a node containing the
-   * search summary for a given text. keywords is a list
-   * of stemmed words, hlwords is the list of normal, unstemmed
-   * words. the first one is used to find the occurrence, the
-   * latter for highlighting it.
-   */
-  makeSearchSummary : function(htmlText, keywords, hlwords) {
-    var text = Search.htmlToText(htmlText);
-    var textLower = text.toLowerCase();
-    var start = 0;
-    $.each(keywords, function() {
-      var i = textLower.indexOf(this.toLowerCase());
-      if (i > -1)
-        start = i;
-    });
-    start = Math.max(start - 120, 0);
-    var excerpt = ((start > 0) ? '...' : '') +
-      $.trim(text.substr(start, 240)) +
-      ((start + 240 - text.length) ? '...' : '');
-    var rv = $('<div class="context"></div>').text(excerpt);
-    $.each(hlwords, function() {
-      rv = rv.highlightText(this, 'highlighted');
-    });
-    return rv;
-  }
-};
-
-$(document).ready(function() {
-  Search.init();
-});
diff --git a/third_party/fmt-9.1.0/doc/html/_static/underscore-1.3.1.js b/third_party/fmt-9.1.0/doc/html/_static/underscore-1.3.1.js
deleted file mode 100644
index 208d4cd8..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/underscore-1.3.1.js
+++ /dev/null
@@ -1,999 +0,0 @@
-//     Underscore.js 1.3.1
-//     (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
-//     Underscore is freely distributable under the MIT license.
-//     Portions of Underscore are inspired or borrowed from Prototype,
-//     Oliver Steele's Functional, and John Resig's Micro-Templating.
-//     For all details and documentation:
-//     http://documentcloud.github.com/underscore
-
-(function() {
-
-  // Baseline setup
-  // --------------
-
-  // Establish the root object, `window` in the browser, or `global` on the server.
-  var root = this;
-
-  // Save the previous value of the `_` variable.
-  var previousUnderscore = root._;
-
-  // Establish the object that gets returned to break out of a loop iteration.
-  var breaker = {};
-
-  // Save bytes in the minified (but not gzipped) version:
-  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
-
-  // Create quick reference variables for speed access to core prototypes.
-  var slice            = ArrayProto.slice,
-      unshift          = ArrayProto.unshift,
-      toString         = ObjProto.toString,
-      hasOwnProperty   = ObjProto.hasOwnProperty;
-
-  // All **ECMAScript 5** native function implementations that we hope to use
-  // are declared here.
-  var
-    nativeForEach      = ArrayProto.forEach,
-    nativeMap          = ArrayProto.map,
-    nativeReduce       = ArrayProto.reduce,
-    nativeReduceRight  = ArrayProto.reduceRight,
-    nativeFilter       = ArrayProto.filter,
-    nativeEvery        = ArrayProto.every,
-    nativeSome         = ArrayProto.some,
-    nativeIndexOf      = ArrayProto.indexOf,
-    nativeLastIndexOf  = ArrayProto.lastIndexOf,
-    nativeIsArray      = Array.isArray,
-    nativeKeys         = Object.keys,
-    nativeBind         = FuncProto.bind;
-
-  // Create a safe reference to the Underscore object for use below.
-  var _ = function(obj) { return new wrapper(obj); };
-
-  // Export the Underscore object for **Node.js**, with
-  // backwards-compatibility for the old `require()` API. If we're in
-  // the browser, add `_` as a global object via a string identifier,
-  // for Closure Compiler "advanced" mode.
-  if (typeof exports !== 'undefined') {
-    if (typeof module !== 'undefined' && module.exports) {
-      exports = module.exports = _;
-    }
-    exports._ = _;
-  } else {
-    root['_'] = _;
-  }
-
-  // Current version.
-  _.VERSION = '1.3.1';
-
-  // Collection Functions
-  // --------------------
-
-  // The cornerstone, an `each` implementation, aka `forEach`.
-  // Handles objects with the built-in `forEach`, arrays, and raw objects.
-  // Delegates to **ECMAScript 5**'s native `forEach` if available.
-  var each = _.each = _.forEach = function(obj, iterator, context) {
-    if (obj == null) return;
-    if (nativeForEach && obj.forEach === nativeForEach) {
-      obj.forEach(iterator, context);
-    } else if (obj.length === +obj.length) {
-      for (var i = 0, l = obj.length; i < l; i++) {
-        if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
-      }
-    } else {
-      for (var key in obj) {
-        if (_.has(obj, key)) {
-          if (iterator.call(context, obj[key], key, obj) === breaker) return;
-        }
-      }
-    }
-  };
-
-  // Return the results of applying the iterator to each element.
-  // Delegates to **ECMAScript 5**'s native `map` if available.
-  _.map = _.collect = function(obj, iterator, context) {
-    var results = [];
-    if (obj == null) return results;
-    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
-    each(obj, function(value, index, list) {
-      results[results.length] = iterator.call(context, value, index, list);
-    });
-    if (obj.length === +obj.length) results.length = obj.length;
-    return results;
-  };
-
-  // **Reduce** builds up a single result from a list of values, aka `inject`,
-  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
-  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
-    var initial = arguments.length > 2;
-    if (obj == null) obj = [];
-    if (nativeReduce && obj.reduce === nativeReduce) {
-      if (context) iterator = _.bind(iterator, context);
-      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
-    }
-    each(obj, function(value, index, list) {
-      if (!initial) {
-        memo = value;
-        initial = true;
-      } else {
-        memo = iterator.call(context, memo, value, index, list);
-      }
-    });
-    if (!initial) throw new TypeError('Reduce of empty array with no initial value');
-    return memo;
-  };
-
-  // The right-associative version of reduce, also known as `foldr`.
-  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
-  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
-    var initial = arguments.length > 2;
-    if (obj == null) obj = [];
-    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
-      if (context) iterator = _.bind(iterator, context);
-      return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
-    }
-    var reversed = _.toArray(obj).reverse();
-    if (context && !initial) iterator = _.bind(iterator, context);
-    return initial ? _.reduce(reversed, iterator, memo, context) : _.reduce(reversed, iterator);
-  };
-
-  // Return the first value which passes a truth test. Aliased as `detect`.
-  _.find = _.detect = function(obj, iterator, context) {
-    var result;
-    any(obj, function(value, index, list) {
-      if (iterator.call(context, value, index, list)) {
-        result = value;
-        return true;
-      }
-    });
-    return result;
-  };
-
-  // Return all the elements that pass a truth test.
-  // Delegates to **ECMAScript 5**'s native `filter` if available.
-  // Aliased as `select`.
-  _.filter = _.select = function(obj, iterator, context) {
-    var results = [];
-    if (obj == null) return results;
-    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
-    each(obj, function(value, index, list) {
-      if (iterator.call(context, value, index, list)) results[results.length] = value;
-    });
-    return results;
-  };
-
-  // Return all the elements for which a truth test fails.
-  _.reject = function(obj, iterator, context) {
-    var results = [];
-    if (obj == null) return results;
-    each(obj, function(value, index, list) {
-      if (!iterator.call(context, value, index, list)) results[results.length] = value;
-    });
-    return results;
-  };
-
-  // Determine whether all of the elements match a truth test.
-  // Delegates to **ECMAScript 5**'s native `every` if available.
-  // Aliased as `all`.
-  _.every = _.all = function(obj, iterator, context) {
-    var result = true;
-    if (obj == null) return result;
-    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
-    each(obj, function(value, index, list) {
-      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
-    });
-    return result;
-  };
-
-  // Determine if at least one element in the object matches a truth test.
-  // Delegates to **ECMAScript 5**'s native `some` if available.
-  // Aliased as `any`.
-  var any = _.some = _.any = function(obj, iterator, context) {
-    iterator || (iterator = _.identity);
-    var result = false;
-    if (obj == null) return result;
-    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
-    each(obj, function(value, index, list) {
-      if (result || (result = iterator.call(context, value, index, list))) return breaker;
-    });
-    return !!result;
-  };
-
-  // Determine if a given value is included in the array or object using `===`.
-  // Aliased as `contains`.
-  _.include = _.contains = function(obj, target) {
-    var found = false;
-    if (obj == null) return found;
-    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
-    found = any(obj, function(value) {
-      return value === target;
-    });
-    return found;
-  };
-
-  // Invoke a method (with arguments) on every item in a collection.
-  _.invoke = function(obj, method) {
-    var args = slice.call(arguments, 2);
-    return _.map(obj, function(value) {
-      return (_.isFunction(method) ? method || value : value[method]).apply(value, args);
-    });
-  };
-
-  // Convenience version of a common use case of `map`: fetching a property.
-  _.pluck = function(obj, key) {
-    return _.map(obj, function(value){ return value[key]; });
-  };
-
-  // Return the maximum element or (element-based computation).
-  _.max = function(obj, iterator, context) {
-    if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
-    if (!iterator && _.isEmpty(obj)) return -Infinity;
-    var result = {computed : -Infinity};
-    each(obj, function(value, index, list) {
-      var computed = iterator ? iterator.call(context, value, index, list) : value;
-      computed >= result.computed && (result = {value : value, computed : computed});
-    });
-    return result.value;
-  };
-
-  // Return the minimum element (or element-based computation).
-  _.min = function(obj, iterator, context) {
-    if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
-    if (!iterator && _.isEmpty(obj)) return Infinity;
-    var result = {computed : Infinity};
-    each(obj, function(value, index, list) {
-      var computed = iterator ? iterator.call(context, value, index, list) : value;
-      computed < result.computed && (result = {value : value, computed : computed});
-    });
-    return result.value;
-  };
-
-  // Shuffle an array.
-  _.shuffle = function(obj) {
-    var shuffled = [], rand;
-    each(obj, function(value, index, list) {
-      if (index == 0) {
-        shuffled[0] = value;
-      } else {
-        rand = Math.floor(Math.random() * (index + 1));
-        shuffled[index] = shuffled[rand];
-        shuffled[rand] = value;
-      }
-    });
-    return shuffled;
-  };
-
-  // Sort the object's values by a criterion produced by an iterator.
-  _.sortBy = function(obj, iterator, context) {
-    return _.pluck(_.map(obj, function(value, index, list) {
-      return {
-        value : value,
-        criteria : iterator.call(context, value, index, list)
-      };
-    }).sort(function(left, right) {
-      var a = left.criteria, b = right.criteria;
-      return a < b ? -1 : a > b ? 1 : 0;
-    }), 'value');
-  };
-
-  // Groups the object's values by a criterion. Pass either a string attribute
-  // to group by, or a function that returns the criterion.
-  _.groupBy = function(obj, val) {
-    var result = {};
-    var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
-    each(obj, function(value, index) {
-      var key = iterator(value, index);
-      (result[key] || (result[key] = [])).push(value);
-    });
-    return result;
-  };
-
-  // Use a comparator function to figure out at what index an object should
-  // be inserted so as to maintain order. Uses binary search.
-  _.sortedIndex = function(array, obj, iterator) {
-    iterator || (iterator = _.identity);
-    var low = 0, high = array.length;
-    while (low < high) {
-      var mid = (low + high) >> 1;
-      iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
-    }
-    return low;
-  };
-
-  // Safely convert anything iterable into a real, live array.
-  _.toArray = function(iterable) {
-    if (!iterable)                return [];
-    if (iterable.toArray)         return iterable.toArray();
-    if (_.isArray(iterable))      return slice.call(iterable);
-    if (_.isArguments(iterable))  return slice.call(iterable);
-    return _.values(iterable);
-  };
-
-  // Return the number of elements in an object.
-  _.size = function(obj) {
-    return _.toArray(obj).length;
-  };
-
-  // Array Functions
-  // ---------------
-
-  // Get the first element of an array. Passing **n** will return the first N
-  // values in the array. Aliased as `head`. The **guard** check allows it to work
-  // with `_.map`.
-  _.first = _.head = function(array, n, guard) {
-    return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
-  };
-
-  // Returns everything but the last entry of the array. Especcialy useful on
-  // the arguments object. Passing **n** will return all the values in
-  // the array, excluding the last N. The **guard** check allows it to work with
-  // `_.map`.
-  _.initial = function(array, n, guard) {
-    return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
-  };
-
-  // Get the last element of an array. Passing **n** will return the last N
-  // values in the array. The **guard** check allows it to work with `_.map`.
-  _.last = function(array, n, guard) {
-    if ((n != null) && !guard) {
-      return slice.call(array, Math.max(array.length - n, 0));
-    } else {
-      return array[array.length - 1];
-    }
-  };
-
-  // Returns everything but the first entry of the array. Aliased as `tail`.
-  // Especially useful on the arguments object. Passing an **index** will return
-  // the rest of the values in the array from that index onward. The **guard**
-  // check allows it to work with `_.map`.
-  _.rest = _.tail = function(array, index, guard) {
-    return slice.call(array, (index == null) || guard ? 1 : index);
-  };
-
-  // Trim out all falsy values from an array.
-  _.compact = function(array) {
-    return _.filter(array, function(value){ return !!value; });
-  };
-
-  // Return a completely flattened version of an array.
-  _.flatten = function(array, shallow) {
-    return _.reduce(array, function(memo, value) {
-      if (_.isArray(value)) return memo.concat(shallow ? value : _.flatten(value));
-      memo[memo.length] = value;
-      return memo;
-    }, []);
-  };
-
-  // Return a version of the array that does not contain the specified value(s).
-  _.without = function(array) {
-    return _.difference(array, slice.call(arguments, 1));
-  };
-
-  // Produce a duplicate-free version of the array. If the array has already
-  // been sorted, you have the option of using a faster algorithm.
-  // Aliased as `unique`.
-  _.uniq = _.unique = function(array, isSorted, iterator) {
-    var initial = iterator ? _.map(array, iterator) : array;
-    var result = [];
-    _.reduce(initial, function(memo, el, i) {
-      if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) {
-        memo[memo.length] = el;
-        result[result.length] = array[i];
-      }
-      return memo;
-    }, []);
-    return result;
-  };
-
-  // Produce an array that contains the union: each distinct element from all of
-  // the passed-in arrays.
-  _.union = function() {
-    return _.uniq(_.flatten(arguments, true));
-  };
-
-  // Produce an array that contains every item shared between all the
-  // passed-in arrays. (Aliased as "intersect" for back-compat.)
-  _.intersection = _.intersect = function(array) {
-    var rest = slice.call(arguments, 1);
-    return _.filter(_.uniq(array), function(item) {
-      return _.every(rest, function(other) {
-        return _.indexOf(other, item) >= 0;
-      });
-    });
-  };
-
-  // Take the difference between one array and a number of other arrays.
-  // Only the elements present in just the first array will remain.
-  _.difference = function(array) {
-    var rest = _.flatten(slice.call(arguments, 1));
-    return _.filter(array, function(value){ return !_.include(rest, value); });
-  };
-
-  // Zip together multiple lists into a single array -- elements that share
-  // an index go together.
-  _.zip = function() {
-    var args = slice.call(arguments);
-    var length = _.max(_.pluck(args, 'length'));
-    var results = new Array(length);
-    for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
-    return results;
-  };
-
-  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
-  // we need this function. Return the position of the first occurrence of an
-  // item in an array, or -1 if the item is not included in the array.
-  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
-  // If the array is large and already in sort order, pass `true`
-  // for **isSorted** to use binary search.
-  _.indexOf = function(array, item, isSorted) {
-    if (array == null) return -1;
-    var i, l;
-    if (isSorted) {
-      i = _.sortedIndex(array, item);
-      return array[i] === item ? i : -1;
-    }
-    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
-    for (i = 0, l = array.length; i < l; i++) if (i in array && array[i] === item) return i;
-    return -1;
-  };
-
-  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
-  _.lastIndexOf = function(array, item) {
-    if (array == null) return -1;
-    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
-    var i = array.length;
-    while (i--) if (i in array && array[i] === item) return i;
-    return -1;
-  };
-
-  // Generate an integer Array containing an arithmetic progression. A port of
-  // the native Python `range()` function. See
-  // [the Python documentation](http://docs.python.org/library/functions.html#range).
-  _.range = function(start, stop, step) {
-    if (arguments.length <= 1) {
-      stop = start || 0;
-      start = 0;
-    }
-    step = arguments[2] || 1;
-
-    var len = Math.max(Math.ceil((stop - start) / step), 0);
-    var idx = 0;
-    var range = new Array(len);
-
-    while(idx < len) {
-      range[idx++] = start;
-      start += step;
-    }
-
-    return range;
-  };
-
-  // Function (ahem) Functions
-  // ------------------
-
-  // Reusable constructor function for prototype setting.
-  var ctor = function(){};
-
-  // Create a function bound to a given object (assigning `this`, and arguments,
-  // optionally). Binding with arguments is also known as `curry`.
-  // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
-  // We check for `func.bind` first, to fail fast when `func` is undefined.
-  _.bind = function bind(func, context) {
-    var bound, args;
-    if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
-    if (!_.isFunction(func)) throw new TypeError;
-    args = slice.call(arguments, 2);
-    return bound = function() {
-      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
-      ctor.prototype = func.prototype;
-      var self = new ctor;
-      var result = func.apply(self, args.concat(slice.call(arguments)));
-      if (Object(result) === result) return result;
-      return self;
-    };
-  };
-
-  // Bind all of an object's methods to that object. Useful for ensuring that
-  // all callbacks defined on an object belong to it.
-  _.bindAll = function(obj) {
-    var funcs = slice.call(arguments, 1);
-    if (funcs.length == 0) funcs = _.functions(obj);
-    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
-    return obj;
-  };
-
-  // Memoize an expensive function by storing its results.
-  _.memoize = function(func, hasher) {
-    var memo = {};
-    hasher || (hasher = _.identity);
-    return function() {
-      var key = hasher.apply(this, arguments);
-      return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
-    };
-  };
-
-  // Delays a function for the given number of milliseconds, and then calls
-  // it with the arguments supplied.
-  _.delay = function(func, wait) {
-    var args = slice.call(arguments, 2);
-    return setTimeout(function(){ return func.apply(func, args); }, wait);
-  };
-
-  // Defers a function, scheduling it to run after the current call stack has
-  // cleared.
-  _.defer = function(func) {
-    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
-  };
-
-  // Returns a function, that, when invoked, will only be triggered at most once
-  // during a given window of time.
-  _.throttle = function(func, wait) {
-    var context, args, timeout, throttling, more;
-    var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
-    return function() {
-      context = this; args = arguments;
-      var later = function() {
-        timeout = null;
-        if (more) func.apply(context, args);
-        whenDone();
-      };
-      if (!timeout) timeout = setTimeout(later, wait);
-      if (throttling) {
-        more = true;
-      } else {
-        func.apply(context, args);
-      }
-      whenDone();
-      throttling = true;
-    };
-  };
-
-  // Returns a function, that, as long as it continues to be invoked, will not
-  // be triggered. The function will be called after it stops being called for
-  // N milliseconds.
-  _.debounce = function(func, wait) {
-    var timeout;
-    return function() {
-      var context = this, args = arguments;
-      var later = function() {
-        timeout = null;
-        func.apply(context, args);
-      };
-      clearTimeout(timeout);
-      timeout = setTimeout(later, wait);
-    };
-  };
-
-  // Returns a function that will be executed at most one time, no matter how
-  // often you call it. Useful for lazy initialization.
-  _.once = function(func) {
-    var ran = false, memo;
-    return function() {
-      if (ran) return memo;
-      ran = true;
-      return memo = func.apply(this, arguments);
-    };
-  };
-
-  // Returns the first function passed as an argument to the second,
-  // allowing you to adjust arguments, run code before and after, and
-  // conditionally execute the original function.
-  _.wrap = function(func, wrapper) {
-    return function() {
-      var args = [func].concat(slice.call(arguments, 0));
-      return wrapper.apply(this, args);
-    };
-  };
-
-  // Returns a function that is the composition of a list of functions, each
-  // consuming the return value of the function that follows.
-  _.compose = function() {
-    var funcs = arguments;
-    return function() {
-      var args = arguments;
-      for (var i = funcs.length - 1; i >= 0; i--) {
-        args = [funcs[i].apply(this, args)];
-      }
-      return args[0];
-    };
-  };
-
-  // Returns a function that will only be executed after being called N times.
-  _.after = function(times, func) {
-    if (times <= 0) return func();
-    return function() {
-      if (--times < 1) { return func.apply(this, arguments); }
-    };
-  };
-
-  // Object Functions
-  // ----------------
-
-  // Retrieve the names of an object's properties.
-  // Delegates to **ECMAScript 5**'s native `Object.keys`
-  _.keys = nativeKeys || function(obj) {
-    if (obj !== Object(obj)) throw new TypeError('Invalid object');
-    var keys = [];
-    for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
-    return keys;
-  };
-
-  // Retrieve the values of an object's properties.
-  _.values = function(obj) {
-    return _.map(obj, _.identity);
-  };
-
-  // Return a sorted list of the function names available on the object.
-  // Aliased as `methods`
-  _.functions = _.methods = function(obj) {
-    var names = [];
-    for (var key in obj) {
-      if (_.isFunction(obj[key])) names.push(key);
-    }
-    return names.sort();
-  };
-
-  // Extend a given object with all the properties in passed-in object(s).
-  _.extend = function(obj) {
-    each(slice.call(arguments, 1), function(source) {
-      for (var prop in source) {
-        obj[prop] = source[prop];
-      }
-    });
-    return obj;
-  };
-
-  // Fill in a given object with default properties.
-  _.defaults = function(obj) {
-    each(slice.call(arguments, 1), function(source) {
-      for (var prop in source) {
-        if (obj[prop] == null) obj[prop] = source[prop];
-      }
-    });
-    return obj;
-  };
-
-  // Create a (shallow-cloned) duplicate of an object.
-  _.clone = function(obj) {
-    if (!_.isObject(obj)) return obj;
-    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
-  };
-
-  // Invokes interceptor with the obj, and then returns obj.
-  // The primary purpose of this method is to "tap into" a method chain, in
-  // order to perform operations on intermediate results within the chain.
-  _.tap = function(obj, interceptor) {
-    interceptor(obj);
-    return obj;
-  };
-
-  // Internal recursive comparison function.
-  function eq(a, b, stack) {
-    // Identical objects are equal. `0 === -0`, but they aren't identical.
-    // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
-    if (a === b) return a !== 0 || 1 / a == 1 / b;
-    // A strict comparison is necessary because `null == undefined`.
-    if (a == null || b == null) return a === b;
-    // Unwrap any wrapped objects.
-    if (a._chain) a = a._wrapped;
-    if (b._chain) b = b._wrapped;
-    // Invoke a custom `isEqual` method if one is provided.
-    if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
-    if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
-    // Compare `[[Class]]` names.
-    var className = toString.call(a);
-    if (className != toString.call(b)) return false;
-    switch (className) {
-      // Strings, numbers, dates, and booleans are compared by value.
-      case '[object String]':
-        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
-        // equivalent to `new String("5")`.
-        return a == String(b);
-      case '[object Number]':
-        // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
-        // other numeric values.
-        return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
-      case '[object Date]':
-      case '[object Boolean]':
-        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
-        // millisecond representations. Note that invalid dates with millisecond representations
-        // of `NaN` are not equivalent.
-        return +a == +b;
-      // RegExps are compared by their source patterns and flags.
-      case '[object RegExp]':
-        return a.source == b.source &&
-               a.global == b.global &&
-               a.multiline == b.multiline &&
-               a.ignoreCase == b.ignoreCase;
-    }
-    if (typeof a != 'object' || typeof b != 'object') return false;
-    // Assume equality for cyclic structures. The algorithm for detecting cyclic
-    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
-    var length = stack.length;
-    while (length--) {
-      // Linear search. Performance is inversely proportional to the number of
-      // unique nested structures.
-      if (stack[length] == a) return true;
-    }
-    // Add the first object to the stack of traversed objects.
-    stack.push(a);
-    var size = 0, result = true;
-    // Recursively compare objects and arrays.
-    if (className == '[object Array]') {
-      // Compare array lengths to determine if a deep comparison is necessary.
-      size = a.length;
-      result = size == b.length;
-      if (result) {
-        // Deep compare the contents, ignoring non-numeric properties.
-        while (size--) {
-          // Ensure commutative equality for sparse arrays.
-          if (!(result = size in a == size in b && eq(a[size], b[size], stack))) break;
-        }
-      }
-    } else {
-      // Objects with different constructors are not equivalent.
-      if ('constructor' in a != 'constructor' in b || a.constructor != b.constructor) return false;
-      // Deep compare objects.
-      for (var key in a) {
-        if (_.has(a, key)) {
-          // Count the expected number of properties.
-          size++;
-          // Deep compare each member.
-          if (!(result = _.has(b, key) && eq(a[key], b[key], stack))) break;
-        }
-      }
-      // Ensure that both objects contain the same number of properties.
-      if (result) {
-        for (key in b) {
-          if (_.has(b, key) && !(size--)) break;
-        }
-        result = !size;
-      }
-    }
-    // Remove the first object from the stack of traversed objects.
-    stack.pop();
-    return result;
-  }
-
-  // Perform a deep comparison to check if two objects are equal.
-  _.isEqual = function(a, b) {
-    return eq(a, b, []);
-  };
-
-  // Is a given array, string, or object empty?
-  // An "empty" object has no enumerable own-properties.
-  _.isEmpty = function(obj) {
-    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
-    for (var key in obj) if (_.has(obj, key)) return false;
-    return true;
-  };
-
-  // Is a given value a DOM element?
-  _.isElement = function(obj) {
-    return !!(obj && obj.nodeType == 1);
-  };
-
-  // Is a given value an array?
-  // Delegates to ECMA5's native Array.isArray
-  _.isArray = nativeIsArray || function(obj) {
-    return toString.call(obj) == '[object Array]';
-  };
-
-  // Is a given variable an object?
-  _.isObject = function(obj) {
-    return obj === Object(obj);
-  };
-
-  // Is a given variable an arguments object?
-  _.isArguments = function(obj) {
-    return toString.call(obj) == '[object Arguments]';
-  };
-  if (!_.isArguments(arguments)) {
-    _.isArguments = function(obj) {
-      return !!(obj && _.has(obj, 'callee'));
-    };
-  }
-
-  // Is a given value a function?
-  _.isFunction = function(obj) {
-    return toString.call(obj) == '[object Function]';
-  };
-
-  // Is a given value a string?
-  _.isString = function(obj) {
-    return toString.call(obj) == '[object String]';
-  };
-
-  // Is a given value a number?
-  _.isNumber = function(obj) {
-    return toString.call(obj) == '[object Number]';
-  };
-
-  // Is the given value `NaN`?
-  _.isNaN = function(obj) {
-    // `NaN` is the only value for which `===` is not reflexive.
-    return obj !== obj;
-  };
-
-  // Is a given value a boolean?
-  _.isBoolean = function(obj) {
-    return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
-  };
-
-  // Is a given value a date?
-  _.isDate = function(obj) {
-    return toString.call(obj) == '[object Date]';
-  };
-
-  // Is the given value a regular expression?
-  _.isRegExp = function(obj) {
-    return toString.call(obj) == '[object RegExp]';
-  };
-
-  // Is a given value equal to null?
-  _.isNull = function(obj) {
-    return obj === null;
-  };
-
-  // Is a given variable undefined?
-  _.isUndefined = function(obj) {
-    return obj === void 0;
-  };
-
-  // Has own property?
-  _.has = function(obj, key) {
-    return hasOwnProperty.call(obj, key);
-  };
-
-  // Utility Functions
-  // -----------------
-
-  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
-  // previous owner. Returns a reference to the Underscore object.
-  _.noConflict = function() {
-    root._ = previousUnderscore;
-    return this;
-  };
-
-  // Keep the identity function around for default iterators.
-  _.identity = function(value) {
-    return value;
-  };
-
-  // Run a function **n** times.
-  _.times = function (n, iterator, context) {
-    for (var i = 0; i < n; i++) iterator.call(context, i);
-  };
-
-  // Escape a string for HTML interpolation.
-  _.escape = function(string) {
-    return (''+string).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g,'&#x2F;');
-  };
-
-  // Add your own custom functions to the Underscore object, ensuring that
-  // they're correctly added to the OOP wrapper as well.
-  _.mixin = function(obj) {
-    each(_.functions(obj), function(name){
-      addToWrapper(name, _[name] = obj[name]);
-    });
-  };
-
-  // Generate a unique integer id (unique within the entire client session).
-  // Useful for temporary DOM ids.
-  var idCounter = 0;
-  _.uniqueId = function(prefix) {
-    var id = idCounter++;
-    return prefix ? prefix + id : id;
-  };
-
-  // By default, Underscore uses ERB-style template delimiters, change the
-  // following template settings to use alternative delimiters.
-  _.templateSettings = {
-    evaluate    : /<%([\s\S]+?)%>/g,
-    interpolate : /<%=([\s\S]+?)%>/g,
-    escape      : /<%-([\s\S]+?)%>/g
-  };
-
-  // When customizing `templateSettings`, if you don't want to define an
-  // interpolation, evaluation or escaping regex, we need one that is
-  // guaranteed not to match.
-  var noMatch = /.^/;
-
-  // Within an interpolation, evaluation, or escaping, remove HTML escaping
-  // that had been previously added.
-  var unescape = function(code) {
-    return code.replace(/\\\\/g, '\\').replace(/\\'/g, "'");
-  };
-
-  // JavaScript micro-templating, similar to John Resig's implementation.
-  // Underscore templating handles arbitrary delimiters, preserves whitespace,
-  // and correctly escapes quotes within interpolated code.
-  _.template = function(str, data) {
-    var c  = _.templateSettings;
-    var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' +
-      'with(obj||{}){__p.push(\'' +
-      str.replace(/\\/g, '\\\\')
-         .replace(/'/g, "\\'")
-         .replace(c.escape || noMatch, function(match, code) {
-           return "',_.escape(" + unescape(code) + "),'";
-         })
-         .replace(c.interpolate || noMatch, function(match, code) {
-           return "'," + unescape(code) + ",'";
-         })
-         .replace(c.evaluate || noMatch, function(match, code) {
-           return "');" + unescape(code).replace(/[\r\n\t]/g, ' ') + ";__p.push('";
-         })
-         .replace(/\r/g, '\\r')
-         .replace(/\n/g, '\\n')
-         .replace(/\t/g, '\\t')
-         + "');}return __p.join('');";
-    var func = new Function('obj', '_', tmpl);
-    if (data) return func(data, _);
-    return function(data) {
-      return func.call(this, data, _);
-    };
-  };
-
-  // Add a "chain" function, which will delegate to the wrapper.
-  _.chain = function(obj) {
-    return _(obj).chain();
-  };
-
-  // The OOP Wrapper
-  // ---------------
-
-  // If Underscore is called as a function, it returns a wrapped object that
-  // can be used OO-style. This wrapper holds altered versions of all the
-  // underscore functions. Wrapped objects may be chained.
-  var wrapper = function(obj) { this._wrapped = obj; };
-
-  // Expose `wrapper.prototype` as `_.prototype`
-  _.prototype = wrapper.prototype;
-
-  // Helper function to continue chaining intermediate results.
-  var result = function(obj, chain) {
-    return chain ? _(obj).chain() : obj;
-  };
-
-  // A method to easily add functions to the OOP wrapper.
-  var addToWrapper = function(name, func) {
-    wrapper.prototype[name] = function() {
-      var args = slice.call(arguments);
-      unshift.call(args, this._wrapped);
-      return result(func.apply(_, args), this._chain);
-    };
-  };
-
-  // Add all of the Underscore functions to the wrapper object.
-  _.mixin(_);
-
-  // Add all mutator Array functions to the wrapper.
-  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
-    var method = ArrayProto[name];
-    wrapper.prototype[name] = function() {
-      var wrapped = this._wrapped;
-      method.apply(wrapped, arguments);
-      var length = wrapped.length;
-      if ((name == 'shift' || name == 'splice') && length === 0) delete wrapped[0];
-      return result(wrapped, this._chain);
-    };
-  });
-
-  // Add all accessor Array functions to the wrapper.
-  each(['concat', 'join', 'slice'], function(name) {
-    var method = ArrayProto[name];
-    wrapper.prototype[name] = function() {
-      return result(method.apply(this._wrapped, arguments), this._chain);
-    };
-  });
-
-  // Start chaining a wrapped Underscore object.
-  wrapper.prototype.chain = function() {
-    this._chain = true;
-    return this;
-  };
-
-  // Extracts the result from a wrapped and chained object.
-  wrapper.prototype.value = function() {
-    return this._wrapped;
-  };
-
-}).call(this);
diff --git a/third_party/fmt-9.1.0/doc/html/_static/underscore.js b/third_party/fmt-9.1.0/doc/html/_static/underscore.js
deleted file mode 100644
index 5b55f32b..00000000
--- a/third_party/fmt-9.1.0/doc/html/_static/underscore.js
+++ /dev/null
@@ -1,31 +0,0 @@
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diff --git a/third_party/fmt-9.1.0/doc/html/api.html b/third_party/fmt-9.1.0/doc/html/api.html
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+++ /dev/null
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-
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-<meta name="description" content="Small, safe and fast formatting library">
-<meta name="keywords" content="C++, formatting, printf, string, library">
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-  <section id="api-reference">
-<span id="string-formatting-api"></span><h1>API Reference<a class="headerlink" href="#api-reference" title="Permalink to this headline">¶</a></h1>
-<p>The {fmt} library API consists of the following parts:</p>
-<ul class="simple">
-<li><p><a class="reference internal" href="#core-api"><span class="std std-ref">fmt/core.h</span></a>: the core API providing main formatting functions
-for <code class="docutils literal notranslate"><span class="pre">char</span></code>/UTF-8 with C++20 compile-time checks and minimal dependencies</p></li>
-<li><p><a class="reference internal" href="#format-api"><span class="std std-ref">fmt/format.h</span></a>: the full format API providing additional
-formatting functions and locale support</p></li>
-<li><p><a class="reference internal" href="#ranges-api"><span class="std std-ref">fmt/ranges.h</span></a>: formatting of ranges and tuples</p></li>
-<li><p><a class="reference internal" href="#chrono-api"><span class="std std-ref">fmt/chrono.h</span></a>: date and time formatting</p></li>
-<li><p><a class="reference internal" href="#std-api"><span class="std std-ref">fmt/std.h</span></a>: formatters for standard library types</p></li>
-<li><p><a class="reference internal" href="#compile-api"><span class="std std-ref">fmt/compile.h</span></a>: format string compilation</p></li>
-<li><p><a class="reference internal" href="#color-api"><span class="std std-ref">fmt/color.h</span></a>: terminal color and text style</p></li>
-<li><p><a class="reference internal" href="#os-api"><span class="std std-ref">fmt/os.h</span></a>: system APIs</p></li>
-<li><p><a class="reference internal" href="#ostream-api"><span class="std std-ref">fmt/ostream.h</span></a>: <code class="docutils literal notranslate"><span class="pre">std::ostream</span></code> support</p></li>
-<li><p><a class="reference internal" href="#printf-api"><span class="std std-ref">fmt/printf.h</span></a>: <code class="docutils literal notranslate"><span class="pre">printf</span></code> formatting</p></li>
-<li><p><a class="reference internal" href="#xchar-api"><span class="std std-ref">fmt/xchar.h</span></a>: optional <code class="docutils literal notranslate"><span class="pre">wchar_t</span></code> support</p></li>
-</ul>
-<p>All functions and types provided by the library reside in namespace <code class="docutils literal notranslate"><span class="pre">fmt</span></code> and
-macros have prefix <code class="docutils literal notranslate"><span class="pre">FMT_</span></code>.</p>
-<section id="core-api">
-<span id="id1"></span><h2>Core API<a class="headerlink" href="#core-api" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/core.h</span></code> defines the core API which provides main formatting functions
-for <code class="docutils literal notranslate"><span class="pre">char</span></code>/UTF-8 with C++20 compile-time checks. It has minimal include
-dependencies for better compile times. This header is only beneficial when
-using {fmt} as a library and not in the header-only mode.</p>
-<p>The following functions use <a class="reference internal" href="syntax.html#syntax"><span class="std std-ref">format string syntax</span></a>
-similar to that of Python’s <a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str.format">str.format</a>.
-They take <em>fmt</em> and <em>args</em> as arguments.</p>
-<p><em>fmt</em> is a format string that contains literal text and replacement fields
-surrounded by braces <code class="docutils literal notranslate"><span class="pre">{}</span></code>. The fields are replaced with formatted arguments
-in the resulting string. <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_string</span></code></a> is a format string which can be
-implicitly constructed from a string literal or a <code class="docutils literal notranslate"><span class="pre">constexpr</span></code> string and is
-checked at compile time in C++20. To pass a runtime format string wrap it in
-<a class="reference internal" href="#_CPPv4N3fmt7runtimeE11string_view" title="fmt::runtime"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">fmt::runtime()</span></code></a>.</p>
-<p><em>args</em> is an argument list representing objects to be formatted.</p>
-<span class="target" id="format"></span><dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt6formatENSt6stringE13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt6formatE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt6formatE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1a6dd296c9100bdd4939538068b77bdfe1"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt6formatENSt6stringE13format_stringIDp1TEDpRR1T" title="fmt::format::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt6formatENSt6stringE13format_stringIDp1TEDpRR1T" title="fmt::format::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt6formatENSt6stringE13format_stringIDp1TEDpRR1T" title="fmt::format::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; std::string<a class="headerlink" href="#_CPPv4IDpEN3fmt6formatENSt6stringE13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code> and returns the result
-as a string.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/core.h&gt;</span><span class="cp"></span>
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">message</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;The answer is {}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt7vformatE11string_view11format_args">
-<span id="_CPPv3N3fmt7vformatE11string_view11format_args"></span><span id="_CPPv2N3fmt7vformatE11string_view11format_args"></span><span id="fmt::vformat__string_view.format_args"></span><span class="target" id="core_8h_1a3688aa4186696a1231623bde7775a953"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4N3fmt7vformatE11string_view11format_args" title="fmt::vformat::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">vformat</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>fmt</em>, <a class="reference internal" href="#_CPPv4N3fmt11format_argsE" title="fmt::format_args">format_args</a> <em>args</em><span class="sig-paren">)</span> -&gt; std::string<a class="headerlink" href="#_CPPv4N3fmt7vformatE11string_view11format_args" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3I0DpEN3fmt9format_toE8OutputIt13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2I0DpEN3fmt9format_toE8OutputIt13format_stringIDp1TEDpRR1T"></span>template&lt;typename <code class="sig-name descname">OutputIt</code>, typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1a0ca5ab5f03a0c86633550f1dd5744577"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_to</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to::OutputIt">OutputIt</a> <em>out</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; <a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to::OutputIt">OutputIt</a><a class="headerlink" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code>, writes the result to
-the output iterator <code class="docutils literal notranslate"><span class="pre">out</span></code> and returns the iterator past the end of the output
-range. <a class="reference internal" href="#_CPPv4I0DpEN3fmt9format_toE8OutputIt8OutputIt13format_stringIDp1TEDpRR1T" title="fmt::format_to"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_to()</span></code></a> does not append a terminating null character.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="o">&lt;</span><span class="kt">char</span><span class="o">&gt;</span><span class="p">();</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format_to</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">back_inserter</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3I0DpEN3fmt11format_to_nE8OutputIt6size_t13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2I0DpEN3fmt11format_to_nE8OutputIt6size_t13format_stringIDp1TEDpRR1T"></span>template&lt;typename <code class="sig-name descname">OutputIt</code>, typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1af2a17cefc40c6d780369144c5de1e2af"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_to_n</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n::OutputIt">OutputIt</a> <em>out</em>, size_t <em>n</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; <a class="reference internal" href="#_CPPv4I0EN3fmt18format_to_n_resultE" title="fmt::format_to_n_result">format_to_n_result</a>&lt;<a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n::OutputIt">OutputIt</a>&gt;<a class="headerlink" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code>, writes up to <code class="docutils literal notranslate"><span class="pre">n</span></code>
-characters of the result to the output iterator <code class="docutils literal notranslate"><span class="pre">out</span></code> and returns the total
-(not truncated) output size and the iterator past the end of the output range.
-<a class="reference internal" href="#_CPPv4I0DpEN3fmt11format_to_nE18format_to_n_resultI8OutputItE8OutputIt6size_t13format_stringIDp1TEDpRR1T" title="fmt::format_to_n"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_to_n()</span></code></a> does not append a terminating null character.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt14formatted_sizeE6size_t13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt14formatted_sizeE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt14formatted_sizeE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1a009f905ac9329b59e440fd4c2460d44c"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt14formatted_sizeE6size_t13format_stringIDp1TEDpRR1T" title="fmt::formatted_size::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">formatted_size</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt14formatted_sizeE6size_t13format_stringIDp1TEDpRR1T" title="fmt::formatted_size::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt14formatted_sizeE6size_t13format_stringIDp1TEDpRR1T" title="fmt::formatted_size::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; size_t<a class="headerlink" href="#_CPPv4IDpEN3fmt14formatted_sizeE6size_t13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns the number of chars in the output of <code class="docutils literal notranslate"><span class="pre">format(fmt,</span> <span class="pre">args...)</span></code>. </p>
-</dd></dl>
-
-<dl class="cpp struct">
-<dt id="_CPPv4I0EN3fmt18format_to_n_resultE">
-<span id="_CPPv3I0EN3fmt18format_to_n_resultE"></span><span id="_CPPv2I0EN3fmt18format_to_n_resultE"></span>template&lt;typename <code class="sig-name descname">OutputIt</code>&gt;<br /><span class="target" id="structfmt_1_1format__to__n__result"></span><em class="property">struct </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_to_n_result</code><a class="headerlink" href="#_CPPv4I0EN3fmt18format_to_n_resultE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Members</p>
-<dl class="cpp var">
-<dt id="_CPPv4N3fmt18format_to_n_result3outE">
-<span id="_CPPv3N3fmt18format_to_n_result3outE"></span><span id="_CPPv2N3fmt18format_to_n_result3outE"></span><span id="fmt::format_to_n_result::out__OutputIt"></span><span class="target" id="structfmt_1_1format__to__n__result_1a71d11006ad16fba226096f94c21b037e"></span><a class="reference internal" href="#_CPPv4I0EN3fmt18format_to_n_resultE" title="fmt::format_to_n_result::OutputIt">OutputIt</a> <code class="sig-name descname">out</code><a class="headerlink" href="#_CPPv4N3fmt18format_to_n_result3outE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Iterator past the end of the output range. </p>
-</dd></dl>
-
-<dl class="cpp var">
-<dt id="_CPPv4N3fmt18format_to_n_result4sizeE">
-<span id="_CPPv3N3fmt18format_to_n_result4sizeE"></span><span id="_CPPv2N3fmt18format_to_n_result4sizeE"></span><span id="fmt::format_to_n_result::size__s"></span><span class="target" id="structfmt_1_1format__to__n__result_1a2dd58f1d85be6662df6fdfd943aecc88"></span>size_t <code class="sig-name descname">size</code><a class="headerlink" href="#_CPPv4N3fmt18format_to_n_result4sizeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Total (not truncated) output size. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<span class="target" id="print"></span><dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt5printEv13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt5printE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt5printE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1ac0252a192c582b07d6398e7df4f84ec7"></span>void <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt5printEv13format_stringIDp1TEDpRR1T" title="fmt::print::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">print</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt5printEv13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt5printEv13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt5printEv13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code> and writes the output
-to <code class="docutils literal notranslate"><span class="pre">stdout</span></code>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Elapsed time: {0:.2f} seconds&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">1.23</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt6vprintE11string_view11format_args">
-<span id="_CPPv3N3fmt6vprintE11string_view11format_args"></span><span id="_CPPv2N3fmt6vprintE11string_view11format_args"></span><span id="fmt::vprint__string_view.format_args"></span><span class="target" id="core_8h_1a09c43e4ca3fd68c12d08b3de59229400"></span>void <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4N3fmt6vprintE11string_view11format_args" title="fmt::vprint::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">vprint</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>fmt</em>, <a class="reference internal" href="#_CPPv4N3fmt11format_argsE" title="fmt::format_args">format_args</a> <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt6vprintE11string_view11format_args" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt5printEvPNSt4FILEE13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt5printEPNSt4FILEE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt5printEPNSt4FILEE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1a92c3da68a9590d3233b95ffa1f91fa7b"></span>void <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvPNSt4FILEE13format_stringIDp1TEDpRR1T" title="fmt::print::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">print</code><span class="sig-paren">(</span>std::FILE *<em>f</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvPNSt4FILEE13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvPNSt4FILEE13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt5printEvPNSt4FILEE13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code> and writes the
-output to the file <code class="docutils literal notranslate"><span class="pre">f</span></code>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Don&#39;t {}!&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;panic&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt6vprintEPNSt4FILEE11string_view11format_args">
-<span id="_CPPv3N3fmt6vprintEPNSt4FILEE11string_view11format_args"></span><span id="_CPPv2N3fmt6vprintEPNSt4FILEE11string_view11format_args"></span><span id="fmt::vprint__std::FILEP.string_view.format_args"></span><span class="target" id="core_8h_1a59d85226f0b53348b3c8b9a1c88a6daa"></span>void <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4N3fmt6vprintEPNSt4FILEE11string_view11format_args" title="fmt::vprint::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">vprint</code><span class="sig-paren">(</span>std::FILE *<em>f</em>, <a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>fmt</em>, <a class="reference internal" href="#_CPPv4N3fmt11format_argsE" title="fmt::format_args">format_args</a> <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt6vprintEPNSt4FILEE11string_view11format_args" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<section id="compile-time-format-string-checks">
-<h3>Compile-Time Format String Checks<a class="headerlink" href="#compile-time-format-string-checks" title="Permalink to this headline">¶</a></h3>
-<p>Compile-time checks are enabled by default on compilers that support C++20
-<code class="docutils literal notranslate"><span class="pre">consteval</span></code>. On older compilers you can use the <code class="docutils literal notranslate"><span class="pre">FMT_STRING</span></code> macro defined
-in <code class="docutils literal notranslate"><span class="pre">fmt/format.h</span></code> instead. It requires C++14 and is a no-op in C++11.</p>
-<dl class="cpp macro">
-<dt id="c.FMT_STRING">
-<span class="target" id="format_8h_1a09119ad072f708d17b88704fa898aff0"></span><code class="sig-name descname">FMT_STRING</code><span class="sig-paren">(</span><em>s</em><span class="sig-paren">)</span><a class="headerlink" href="#c.FMT_STRING" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a compile-time format string from a string literal <em>s</em>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// A compile-time error because &#39;d&#39; is an invalid specifier for strings.</span>
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="n">FMT_STRING</span><span class="p">(</span><span class="s">&quot;{:d}&quot;</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;foo&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<p>To force the use of legacy compile-time checks, define the preprocessor variable
-<code class="docutils literal notranslate"><span class="pre">FMT_ENFORCE_COMPILE_STRING</span></code>. When set, functions accepting <code class="docutils literal notranslate"><span class="pre">FMT_STRING</span></code>
-will fail to compile with regular strings. Runtime-checked formatting is still
-possible using <code class="docutils literal notranslate"><span class="pre">fmt::vformat</span></code>, <code class="docutils literal notranslate"><span class="pre">fmt::vprint</span></code>, etc.</p>
-<dl class="cpp class">
-<dt id="_CPPv4I0DpEN3fmt19basic_format_stringE">
-<span id="_CPPv3I0DpEN3fmt19basic_format_stringE"></span><span id="_CPPv2I0DpEN3fmt19basic_format_stringE"></span>template&lt;typename <code class="sig-name descname">Char</code>, typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="classfmt_1_1basic__format__string"></span><em class="property">class </em><code class="sig-name descname">basic_format_string</code><a class="headerlink" href="#_CPPv4I0DpEN3fmt19basic_format_stringE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>A compile-time format string. </p>
-</dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4IDpEN3fmt13format_stringE">
-<span id="_CPPv3IDpEN3fmt13format_stringE"></span><span id="_CPPv2IDpEN3fmt13format_stringE"></span>template&lt;typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="core_8h_1af16a31148381bcd0452aad48560112aa"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_string</code> = <a class="reference internal" href="#_CPPv4I0DpEN3fmt19basic_format_stringE" title="fmt::basic_format_string">basic_format_string</a>&lt;char, type_identity_t&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string::Args">Args</a>&gt;...&gt;<a class="headerlink" href="#_CPPv4IDpEN3fmt13format_stringE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt7runtimeE11string_view">
-<span id="_CPPv3N3fmt7runtimeE11string_view"></span><span id="_CPPv2N3fmt7runtimeE11string_view"></span><span id="fmt::runtime__string_view"></span><span class="target" id="core_8h_1aba0a335bf5875cf233d5a3b36b182610"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">runtime</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>s</em><span class="sig-paren">)</span> -&gt; basic_runtime&lt;char&gt;<a class="headerlink" href="#_CPPv4N3fmt7runtimeE11string_view" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Creates a runtime format string.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// Check format string at runtime instead of compile-time.</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="n">fmt</span><span class="o">::</span><span class="n">runtime</span><span class="p">(</span><span class="s">&quot;{:d}&quot;</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;I am not a number&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="named-arguments">
-<h3>Named Arguments<a class="headerlink" href="#named-arguments" title="Permalink to this headline">¶</a></h3>
-<dl class="cpp function">
-<dt id="_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T">
-<span id="_CPPv3I00EN3fmt3argEPK4CharRK1T"></span><span id="_CPPv2I00EN3fmt3argEPK4CharRK1T"></span>template&lt;typename <code class="sig-name descname">Char</code>, typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="core_8h_1a0186a488c80ab72f718b8d001960b1e9"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">arg</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg::Char">Char</a> *<em>name</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg::T">T</a> &amp;<em>arg</em><span class="sig-paren">)</span> -&gt; detail::named_arg&lt;<a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg::Char">Char</a>, <a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg::T">T</a>&gt;<a class="headerlink" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Returns a named argument to be used in a formatting function.
-It should only be used in a call to a formatting function or
-<code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">dynamic_format_arg_store::push_back</span></code>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Elapsed time: {s:.2f} seconds&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">arg</span><span class="p">(</span><span class="s">&quot;s&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">1.23</span><span class="p">));</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<p>Named arguments are not supported in compile-time checks at the moment.</p>
-</section>
-<section id="argument-lists">
-<h3>Argument Lists<a class="headerlink" href="#argument-lists" title="Permalink to this headline">¶</a></h3>
-<p>You can create your own formatting function with compile-time checks and small
-binary footprint, for example (<a class="reference external" href="https://godbolt.org/z/oba4Mc">https://godbolt.org/z/oba4Mc</a>):</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="kt">void</span><span class="w"> </span><span class="nf">vlog</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">file</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">line</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">string_view</span><span class="w"> </span><span class="n">format</span><span class="p">,</span><span class="w"></span>
-<span class="w">          </span><span class="n">fmt</span><span class="o">::</span><span class="n">format_args</span><span class="w"> </span><span class="n">args</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}: {}: &quot;</span><span class="p">,</span><span class="w"> </span><span class="n">file</span><span class="p">,</span><span class="w"> </span><span class="n">line</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">vprint</span><span class="p">(</span><span class="n">format</span><span class="p">,</span><span class="w"> </span><span class="n">args</span><span class="p">);</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="nc">S</span><span class="p">,</span><span class="w"> </span><span class="k">typename</span><span class="p">...</span><span class="w"> </span><span class="n">Args</span><span class="o">&gt;</span><span class="w"></span>
-<span class="kt">void</span><span class="w"> </span><span class="n">log</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">file</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">line</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">S</span><span class="o">&amp;</span><span class="w"> </span><span class="n">format</span><span class="p">,</span><span class="w"> </span><span class="n">Args</span><span class="o">&amp;&amp;</span><span class="p">...</span><span class="w"> </span><span class="n">args</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">vlog</span><span class="p">(</span><span class="n">file</span><span class="p">,</span><span class="w"> </span><span class="n">line</span><span class="p">,</span><span class="w"> </span><span class="n">format</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">make_format_args</span><span class="p">(</span><span class="n">args</span><span class="p">...));</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-
-<span class="cp">#define MY_LOG(format, ...) \</span>
-<span class="cp">  log(__FILE__, __LINE__, FMT_STRING(format), __VA_ARGS__)</span>
-
-<span class="n">MY_LOG</span><span class="p">(</span><span class="s">&quot;invalid squishiness: {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>Note that <code class="docutils literal notranslate"><span class="pre">vlog</span></code> is not parameterized on argument types which improves compile
-times and reduces binary code size compared to a fully parameterized version.</p>
-<dl class="cpp function">
-<dt id="_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args">
-<span id="_CPPv3I0DpEN3fmt16make_format_argsEDpRR4Args"></span><span id="_CPPv2I0DpEN3fmt16make_format_argsEDpRR4Args"></span>template&lt;typename <code class="sig-name descname">Context</code> = <a class="reference internal" href="#_CPPv4N3fmt14format_contextE" title="fmt::format_context">format_context</a>, typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="core_8h_1a2275a9ce83c8b30013dbceb22af36a04"></span><em class="property">constexpr</em> auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">make_format_args</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args" title="fmt::make_format_args::Args">Args</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; <a class="reference internal" href="#_CPPv4I0DpEN3fmt16format_arg_storeE" title="fmt::format_arg_store">format_arg_store</a>&lt;<a class="reference internal" href="#_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args" title="fmt::make_format_args::Context">Context</a>, remove_cvref_t&lt;<a class="reference internal" href="#_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args" title="fmt::make_format_args::Args">Args</a>&gt;...&gt;<a class="headerlink" href="#_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a <a class="reference internal" href="#_CPPv4I0DpEN3fmt16format_arg_storeE" title="fmt::format_arg_store"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_arg_store</span></code></a> object that contains references to
-arguments and can be implicitly converted to <a class="reference internal" href="#_CPPv4N3fmt11format_argsE" title="fmt::format_args"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_args</span></code></a>. <a class="reference internal" href="#_CPPv4I0DpEN3fmt16make_format_argsE16format_arg_storeI7ContextDp14remove_cvref_tI4ArgsEEDpRR4Args" title="fmt::make_format_args::Context"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">Context</span></code></a>
-can be omitted in which case it defaults to <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">context</span></code>.
-See <a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">arg()</span></code></a> for lifetime considerations.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0DpEN3fmt16format_arg_storeE">
-<span id="_CPPv3I0DpEN3fmt16format_arg_storeE"></span><span id="_CPPv2I0DpEN3fmt16format_arg_storeE"></span>template&lt;typename <code class="sig-name descname">Context</code>, typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="classfmt_1_1format__arg__store"></span><em class="property">class </em><code class="sig-name descname">format_arg_store</code><a class="headerlink" href="#_CPPv4I0DpEN3fmt16format_arg_storeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>An array of references to arguments. It can be implicitly converted into
-<a class="reference internal" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="fmt::basic_format_args"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">basic_format_args</span></code></a> for passing into type-erased formatting functions
-such as <a class="reference internal" href="#_CPPv4N3fmt7vformatE11string_view11format_args" title="fmt::vformat"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">vformat()</span></code></a>.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0EN3fmt24dynamic_format_arg_storeE">
-<span id="_CPPv3I0EN3fmt24dynamic_format_arg_storeE"></span><span id="_CPPv2I0EN3fmt24dynamic_format_arg_storeE"></span>template&lt;typename <code class="sig-name descname">Context</code>&gt;<br /><span class="target" id="classfmt_1_1dynamic__format__arg__store"></span><em class="property">class </em><code class="sig-name descname">dynamic_format_arg_store</code><a class="headerlink" href="#_CPPv4I0EN3fmt24dynamic_format_arg_storeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0EN3fmt17basic_format_argsE">
-<span id="_CPPv3I0EN3fmt17basic_format_argsE"></span><span id="_CPPv2I0EN3fmt17basic_format_argsE"></span>template&lt;typename <code class="sig-name descname">Context</code>&gt;<br /><span class="target" id="classfmt_1_1basic__format__args"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">basic_format_args</code><a class="headerlink" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>A view of a collection of formatting arguments. To avoid lifetime issues it
-should only be used as a parameter type in type-erased functions such as
-<code class="docutils literal notranslate"><span class="pre">vformat</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span><span class="w"> </span><span class="nf">vlog</span><span class="p">(</span><span class="n">string_view</span><span class="w"> </span><span class="n">format_str</span><span class="p">,</span><span class="w"> </span><span class="n">format_args</span><span class="w"> </span><span class="n">args</span><span class="p">);</span><span class="w">  </span><span class="c1">// OK</span>
-<span class="n">format_args</span><span class="w"> </span><span class="n">args</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">make_format_args</span><span class="p">(</span><span class="mi">42</span><span class="p">);</span><span class="w">  </span><span class="c1">// Error: dangling reference</span>
-</pre></div>
-</div>
-</p>
- </p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE">
-<span id="_CPPv3IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE"></span><span id="_CPPv2IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE"></span>template&lt;typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="classfmt_1_1basic__format__args_1aa29b9df6b51427157eb9c4881a12cc19"></span><em class="property">constexpr</em> <code class="sig-name descname">basic_format_args</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0DpEN3fmt16format_arg_storeE" title="fmt::format_arg_store">format_arg_store</a>&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="fmt::basic_format_args::Context">Context</a>, <a class="reference internal" href="#_CPPv4IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE" title="fmt::basic_format_args::basic_format_args::Args">Args</a>...&gt; &amp;<em>store</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a <a class="reference internal" href="#_CPPv4IDpEN3fmt17basic_format_args17basic_format_argsERK16format_arg_storeI7ContextDp4ArgsE" title="fmt::basic_format_args::basic_format_args"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">basic_format_args()</span></code></a> object from <a class="reference internal" href="#_CPPv4I0DpEN3fmt16format_arg_storeE" title="fmt::format_arg_store"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">format_arg_store</span></code></a>.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt17basic_format_args17basic_format_argsERK24dynamic_format_arg_storeI7ContextE">
-<span id="_CPPv3N3fmt17basic_format_args17basic_format_argsERK24dynamic_format_arg_storeI7ContextE"></span><span id="_CPPv2N3fmt17basic_format_args17basic_format_argsERK24dynamic_format_arg_storeI7ContextE"></span><span id="fmt::basic_format_args::basic_format_args__dynamic_format_arg_store:Context:CRCE"></span><span class="target" id="classfmt_1_1basic__format__args_1a9708feb267c220363a56f82348cd3809"></span><em class="property">constexpr</em> <code class="sig-name descname">basic_format_args</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt24dynamic_format_arg_storeE" title="fmt::dynamic_format_arg_store">dynamic_format_arg_store</a>&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="fmt::basic_format_args::Context">Context</a>&gt; &amp;<em>store</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt17basic_format_args17basic_format_argsERK24dynamic_format_arg_storeI7ContextE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a <a class="reference internal" href="#_CPPv4N3fmt17basic_format_args17basic_format_argsERK24dynamic_format_arg_storeI7ContextE" title="fmt::basic_format_args::basic_format_args"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">basic_format_args()</span></code></a> object from
-<a class="reference internal" href="#_CPPv4I0EN3fmt24dynamic_format_arg_storeE" title="fmt::dynamic_format_arg_store"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">dynamic_format_arg_store</span></code></a>.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt17basic_format_args17basic_format_argsEPK10format_argi">
-<span id="_CPPv3N3fmt17basic_format_args17basic_format_argsEPK10format_argi"></span><span id="_CPPv2N3fmt17basic_format_args17basic_format_argsEPK10format_argi"></span><span id="fmt::basic_format_args::basic_format_args__format_argCP.iCE"></span><span class="target" id="classfmt_1_1basic__format__args_1abd2d437108168771b2cbbf947c84d9c1"></span><em class="property">constexpr</em> <code class="sig-name descname">basic_format_args</code><span class="sig-paren">(</span><em class="property">const</em> format_arg *<em>args</em>, int <em>count</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt17basic_format_args17basic_format_argsEPK10format_argi" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a <a class="reference internal" href="#_CPPv4N3fmt17basic_format_args17basic_format_argsEPK10format_argi" title="fmt::basic_format_args::basic_format_args"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">basic_format_args()</span></code></a> object from a dynamic set of arguments.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt17basic_format_args3getEi">
-<span id="_CPPv3NK3fmt17basic_format_args3getEi"></span><span id="_CPPv2NK3fmt17basic_format_args3getEi"></span><span id="fmt::basic_format_args::get__iC"></span><span class="target" id="classfmt_1_1basic__format__args_1a4714316d66a0c30e5bd3faf9c695b4f0"></span>auto <code class="sig-name descname">get</code><span class="sig-paren">(</span>int <em>id</em><span class="sig-paren">)</span> <em class="property">const</em> -&gt; format_arg<a class="headerlink" href="#_CPPv4NK3fmt17basic_format_args3getEi" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns the argument with the specified id. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt11format_argsE">
-<span id="_CPPv3N3fmt11format_argsE"></span><span id="_CPPv2N3fmt11format_argsE"></span><span class="target" id="core_8h_1a0144acf16386c7096f7254a6c5ff543d"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_args</code> = <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="fmt::basic_format_args">basic_format_args</a>&lt;<a class="reference internal" href="#_CPPv4N3fmt14format_contextE" title="fmt::format_context">format_context</a>&gt;<a class="headerlink" href="#_CPPv4N3fmt11format_argsE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>An alias to <code class="docutils literal notranslate"><span class="pre">basic_format_args&lt;format_context&gt;</span></code>. </p>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0EN3fmt16basic_format_argE">
-<span id="_CPPv3I0EN3fmt16basic_format_argE"></span><span id="_CPPv2I0EN3fmt16basic_format_argE"></span>template&lt;typename <code class="sig-name descname">Context</code>&gt;<br /><span class="target" id="classfmt_1_1basic__format__arg"></span><em class="property">class </em><code class="sig-name descname">basic_format_arg</code><a class="headerlink" href="#_CPPv4I0EN3fmt16basic_format_argE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I00EN3fmt26basic_format_parse_contextE">
-<span id="_CPPv3I00EN3fmt26basic_format_parse_contextE"></span><span id="_CPPv2I00EN3fmt26basic_format_parse_contextE"></span>template&lt;typename <code class="sig-name descname">Char</code>, typename <code class="sig-name descname">ErrorHandler</code> = detail::error_handler&gt;<br /><span class="target" id="classfmt_1_1basic__format__parse__context"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">basic_format_parse_context</code> : <em class="property">private</em> fmt::detail::error_handler<a class="headerlink" href="#_CPPv4I00EN3fmt26basic_format_parse_contextE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Parsing context consisting of a format string range being parsed and an
-argument counter for automatic indexing.
-You can use the <code class="docutils literal notranslate"><span class="pre">format_parse_context</span></code> type alias for <code class="docutils literal notranslate"><span class="pre">char</span></code> instead.</p>
-</p>
- </p>
-<p>Subclassed by fmt::detail::compile_parse_context&lt; Char, ErrorHandler &gt;, fmt::basic_printf_parse_context&lt; Char &gt;</p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt26basic_format_parse_context5beginEv">
-<span id="_CPPv3NK3fmt26basic_format_parse_context5beginEv"></span><span id="_CPPv2NK3fmt26basic_format_parse_context5beginEv"></span><span id="fmt::basic_format_parse_context::beginCCE"></span><span class="target" id="classfmt_1_1basic__format__parse__context_1addd1866ffb39210fb90d576f99cc263d"></span><em class="property">constexpr</em> auto <code class="sig-name descname">begin</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; iterator<a class="headerlink" href="#_CPPv4NK3fmt26basic_format_parse_context5beginEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns an iterator to the beginning of the format string range being parsed. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt26basic_format_parse_context3endEv">
-<span id="_CPPv3NK3fmt26basic_format_parse_context3endEv"></span><span id="_CPPv2NK3fmt26basic_format_parse_context3endEv"></span><span id="fmt::basic_format_parse_context::endCCE"></span><span class="target" id="classfmt_1_1basic__format__parse__context_1a9e47a32a9e32c573e99c2090ebd611f0"></span><em class="property">constexpr</em> auto <code class="sig-name descname">end</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; iterator<a class="headerlink" href="#_CPPv4NK3fmt26basic_format_parse_context3endEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns an iterator past the end of the format string range being parsed. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt26basic_format_parse_context10advance_toE8iterator">
-<span id="_CPPv3N3fmt26basic_format_parse_context10advance_toE8iterator"></span><span id="_CPPv2N3fmt26basic_format_parse_context10advance_toE8iterator"></span><span id="fmt::basic_format_parse_context::advance_to__iterator"></span><span class="target" id="classfmt_1_1basic__format__parse__context_1aa8eaccff3a2ed5cdad3fe26601b02741"></span>void <code class="sig-name descname">advance_to</code><span class="sig-paren">(</span>iterator <em>it</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt26basic_format_parse_context10advance_toE8iterator" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Advances the begin iterator to <code class="docutils literal notranslate"><span class="pre">it</span></code>. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt26basic_format_parse_context11next_arg_idEv">
-<span id="_CPPv3N3fmt26basic_format_parse_context11next_arg_idEv"></span><span id="_CPPv2N3fmt26basic_format_parse_context11next_arg_idEv"></span><span id="fmt::basic_format_parse_context::next_arg_id"></span><span class="target" id="classfmt_1_1basic__format__parse__context_1a3d69b8e9c5e2b64a5b965c4d060cd6ae"></span>auto <code class="sig-name descname">next_arg_id</code><span class="sig-paren">(</span><span class="sig-paren">)</span> -&gt; int<a class="headerlink" href="#_CPPv4N3fmt26basic_format_parse_context11next_arg_idEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Reports an error if using the manual argument indexing; otherwise returns the next argument index and switches to the automatic indexing. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt26basic_format_parse_context12check_arg_idEi">
-<span id="_CPPv3N3fmt26basic_format_parse_context12check_arg_idEi"></span><span id="_CPPv2N3fmt26basic_format_parse_context12check_arg_idEi"></span><span id="fmt::basic_format_parse_context::check_arg_id__i"></span><span class="target" id="classfmt_1_1basic__format__parse__context_1aeb1244edea8216733ad1ee861470d70a"></span>void <code class="sig-name descname">check_arg_id</code><span class="sig-paren">(</span>int <em>id</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt26basic_format_parse_context12check_arg_idEi" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Reports an error if using the automatic argument indexing; otherwise switches to the manual indexing. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I00EN3fmt20basic_format_contextE">
-<span id="_CPPv3I00EN3fmt20basic_format_contextE"></span><span id="_CPPv2I00EN3fmt20basic_format_contextE"></span>template&lt;typename <code class="sig-name descname">OutputIt</code>, typename <code class="sig-name descname">Char</code>&gt;<br /><span class="target" id="classfmt_1_1basic__format__context"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">basic_format_context</code><a class="headerlink" href="#_CPPv4I00EN3fmt20basic_format_contextE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Types</p>
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt20basic_format_context9char_typeE">
-<span id="_CPPv3N3fmt20basic_format_context9char_typeE"></span><span id="_CPPv2N3fmt20basic_format_context9char_typeE"></span><span class="target" id="classfmt_1_1basic__format__context_1a2d6b20e51d17975188e4463cd3b681ae"></span><em class="property">using </em><code class="sig-name descname">char_type</code> = <a class="reference internal" href="#_CPPv4I00EN3fmt20basic_format_contextE" title="fmt::basic_format_context::Char">Char</a><a class="headerlink" href="#_CPPv4N3fmt20basic_format_context9char_typeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>The character type for the output. </p>
-</dd></dl>
-
-</div>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt20basic_format_context20basic_format_contextE8OutputIt17basic_format_argsI20basic_format_contextEN6detail10locale_refE">
-<span id="_CPPv3N3fmt20basic_format_context20basic_format_contextE8OutputIt17basic_format_argsI20basic_format_contextEN6detail10locale_refE"></span><span id="_CPPv2N3fmt20basic_format_context20basic_format_contextE8OutputIt17basic_format_argsI20basic_format_contextEN6detail10locale_refE"></span><span id="fmt::basic_format_context::basic_format_context__OutputIt.basic_format_args:basic_format_context:.detail::locale_refCE"></span><span class="target" id="classfmt_1_1basic__format__context_1ac498674b757a934b3b6871829e831271"></span><em class="property">constexpr</em> <code class="sig-name descname">basic_format_context</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I00EN3fmt20basic_format_contextE" title="fmt::basic_format_context::OutputIt">OutputIt</a> <em>out</em>, <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_format_argsE" title="fmt::basic_format_args">basic_format_args</a>&lt;<a class="reference internal" href="#_CPPv4N3fmt20basic_format_context20basic_format_contextE8OutputIt17basic_format_argsI20basic_format_contextEN6detail10locale_refE" title="fmt::basic_format_context::basic_format_context">basic_format_context</a>&gt; <em>ctx_args</em>, detail::locale_ref <em>loc</em> = detail::locale_ref()<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt20basic_format_context20basic_format_contextE8OutputIt17basic_format_argsI20basic_format_contextEN6detail10locale_refE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Constructs a <code class="docutils literal notranslate"><span class="pre">basic_format_context</span></code> object. </p>
-<p>References to the arguments are stored in the object so make sure they have appropriate lifetimes. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt14format_contextE">
-<span id="_CPPv3N3fmt14format_contextE"></span><span id="_CPPv2N3fmt14format_contextE"></span><span class="target" id="core_8h_1a505aee3190baa15ea328dc731bfa476a"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_context</code> = buffer_context&lt;char&gt;<a class="headerlink" href="#_CPPv4N3fmt14format_contextE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-</section>
-<section id="compatibility">
-<h3>Compatibility<a class="headerlink" href="#compatibility" title="Permalink to this headline">¶</a></h3>
-<dl class="cpp class">
-<dt id="_CPPv4I0EN3fmt17basic_string_viewE">
-<span id="_CPPv3I0EN3fmt17basic_string_viewE"></span><span id="_CPPv2I0EN3fmt17basic_string_viewE"></span>template&lt;typename <code class="sig-name descname">Char</code>&gt;<br /><span class="target" id="classfmt_1_1basic__string__view"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">basic_string_view</code><a class="headerlink" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>An implementation of <code class="docutils literal notranslate"><span class="pre">std::basic_string_view</span></code> for pre-C++17. </p>
-<p>It provides a subset of the API. <code class="docutils literal notranslate"><span class="pre">fmt::basic_string_view</span></code> is used for format strings even if <code class="docutils literal notranslate"><span class="pre">std::string_view</span></code> is available to prevent issues when a library is compiled with a different <code class="docutils literal notranslate"><span class="pre">-std</span></code> option than the client code (which is not recommended). </p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt17basic_string_view17basic_string_viewEPK4Char6size_t">
-<span id="_CPPv3N3fmt17basic_string_view17basic_string_viewEPK4Char6size_t"></span><span id="_CPPv2N3fmt17basic_string_view17basic_string_viewEPK4Char6size_t"></span><span id="fmt::basic_string_view::basic_string_view__CharCP.sCE"></span><span class="target" id="classfmt_1_1basic__string__view_1a77724577d4a659ea5a1080abe63d847d"></span><em class="property">constexpr</em> <code class="sig-name descname">basic_string_view</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view::Char">Char</a> *<em>s</em>, size_t <em>count</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N3fmt17basic_string_view17basic_string_viewEPK4Char6size_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Constructs a string reference object from a C string and a size. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt17basic_string_view17basic_string_viewEPK4Char">
-<span id="_CPPv3N3fmt17basic_string_view17basic_string_viewEPK4Char"></span><span id="_CPPv2N3fmt17basic_string_view17basic_string_viewEPK4Char"></span><span id="fmt::basic_string_view::basic_string_view__CharCP"></span><span class="target" id="classfmt_1_1basic__string__view_1a027c1e3a6352aa4ad89a1414bbf1c349"></span><code class="sig-name descname">basic_string_view</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view::Char">Char</a> *<em>s</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt17basic_string_view17basic_string_viewEPK4Char" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a string reference object from a C string computing
-the size with <code class="docutils literal notranslate"><span class="pre">std::char_traits&lt;Char&gt;::length</span></code>.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE">
-<span id="_CPPv3I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE"></span><span id="_CPPv2I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE"></span>template&lt;typename <code class="sig-name descname">Traits</code>, typename <code class="sig-name descname">Alloc</code>&gt;<br /><span class="target" id="classfmt_1_1basic__string__view_1af12a79eae6c2cecea40e52cb193c7608"></span><code class="sig-name descname">basic_string_view</code><span class="sig-paren">(</span><em class="property">const</em> std::basic_string&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view::Char">Char</a>, <a class="reference internal" href="#_CPPv4I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE" title="fmt::basic_string_view::basic_string_view::Traits">Traits</a>, <a class="reference internal" href="#_CPPv4I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE" title="fmt::basic_string_view::basic_string_view::Alloc">Alloc</a>&gt; &amp;<em>s</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I00EN3fmt17basic_string_view17basic_string_viewERKNSt12basic_stringI4Char6Traits5AllocEE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Constructs a string reference from a <code class="docutils literal notranslate"><span class="pre">std::basic_string</span></code> object. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt17basic_string_view4dataEv">
-<span id="_CPPv3NK3fmt17basic_string_view4dataEv"></span><span id="_CPPv2NK3fmt17basic_string_view4dataEv"></span><span id="fmt::basic_string_view::dataCCE"></span><span class="target" id="classfmt_1_1basic__string__view_1a358b32b01d47dfdf17b0f6ff3f8bbe4f"></span><em class="property">constexpr</em> auto <code class="sig-name descname">data</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view::Char">Char</a>*<a class="headerlink" href="#_CPPv4NK3fmt17basic_string_view4dataEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns a pointer to the string data. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt17basic_string_view4sizeEv">
-<span id="_CPPv3NK3fmt17basic_string_view4sizeEv"></span><span id="_CPPv2NK3fmt17basic_string_view4sizeEv"></span><span id="fmt::basic_string_view::sizeCCE"></span><span class="target" id="classfmt_1_1basic__string__view_1a52d7307059832543f7288803ca78dcbc"></span><em class="property">constexpr</em> auto <code class="sig-name descname">size</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; size_t<a class="headerlink" href="#_CPPv4NK3fmt17basic_string_view4sizeEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns the string size. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt11string_viewE">
-<span id="_CPPv3N3fmt11string_viewE"></span><span id="_CPPv2N3fmt11string_viewE"></span><span class="target" id="core_8h_1a487c62e95b61a2543fc362ee4378dcaa"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">string_view</code> = <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view">basic_string_view</a>&lt;char&gt;<a class="headerlink" href="#_CPPv4N3fmt11string_viewE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-</section>
-<section id="locale">
-<h3>Locale<a class="headerlink" href="#locale" title="Permalink to this headline">¶</a></h3>
-<p>All formatting is locale-independent by default. Use the <code class="docutils literal notranslate"><span class="pre">'L'</span></code> format
-specifier to insert the appropriate number separator characters from the
-locale:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/core.h&gt;</span><span class="cp"></span>
-<span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;locale&gt;</span><span class="cp"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">locale</span><span class="o">::</span><span class="n">global</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">locale</span><span class="p">(</span><span class="s">&quot;en_US.UTF-8&quot;</span><span class="p">));</span><span class="w"></span>
-<span class="k">auto</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:L}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">1000000</span><span class="p">);</span><span class="w">  </span><span class="c1">// s == &quot;1,000,000&quot;</span>
-</pre></div>
-</div>
-</section>
-</section>
-<section id="format-api">
-<span id="id2"></span><h2>Format API<a class="headerlink" href="#format-api" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/format.h</span></code> defines the full format API providing additional formatting
-functions and locale support.</p>
-<section id="formatting-user-defined-types">
-<span id="udt"></span><h3>Formatting User-Defined Types<a class="headerlink" href="#formatting-user-defined-types" title="Permalink to this headline">¶</a></h3>
-<p>The {fmt} library provides formatters for many standard C++ types.
-See <a class="reference internal" href="#ranges-api"><span class="std std-ref">fmt/ranges.h</span></a> for ranges and tuples including standard
-containers such as <code class="docutils literal notranslate"><span class="pre">std::vector</span></code>, <a class="reference internal" href="#chrono-api"><span class="std std-ref">fmt/chrono.h</span></a> for date
-and time formatting and <a class="reference internal" href="#std-api"><span class="std std-ref">fmt/std.h</span></a> for path and variant
-formatting.</p>
-<p>To make a user-defined type formattable, specialize the <code class="docutils literal notranslate"><span class="pre">formatter&lt;T&gt;</span></code> struct
-template and implement <code class="docutils literal notranslate"><span class="pre">parse</span></code> and <code class="docutils literal notranslate"><span class="pre">format</span></code> methods:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="k">struct</span><span class="w"> </span><span class="nc">point</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="kt">double</span><span class="w"> </span><span class="n">x</span><span class="p">,</span><span class="w"> </span><span class="n">y</span><span class="p">;</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;&gt;</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="nc">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">point</span><span class="o">&gt;</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="c1">// Presentation format: &#39;f&#39; - fixed, &#39;e&#39; - exponential.</span>
-<span class="w">  </span><span class="kt">char</span><span class="w"> </span><span class="n">presentation</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="sc">&#39;f&#39;</span><span class="p">;</span><span class="w"></span>
-
-<span class="w">  </span><span class="c1">// Parses format specifications of the form [&#39;f&#39; | &#39;e&#39;].</span>
-<span class="w">  </span><span class="k">constexpr</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">parse</span><span class="p">(</span><span class="n">format_parse_context</span><span class="o">&amp;</span><span class="w"> </span><span class="n">ctx</span><span class="p">)</span><span class="w"> </span><span class="o">-&gt;</span><span class="w"> </span><span class="k">decltype</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">begin</span><span class="p">())</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="c1">// [ctx.begin(), ctx.end()) is a character range that contains a part of</span>
-<span class="w">    </span><span class="c1">// the format string starting from the format specifications to be parsed,</span>
-<span class="w">    </span><span class="c1">// e.g. in</span>
-<span class="w">    </span><span class="c1">//</span>
-<span class="w">    </span><span class="c1">//   fmt::format(&quot;{:f} - point of interest&quot;, point{1, 2});</span>
-<span class="w">    </span><span class="c1">//</span>
-<span class="w">    </span><span class="c1">// the range will contain &quot;f} - point of interest&quot;. The formatter should</span>
-<span class="w">    </span><span class="c1">// parse specifiers until &#39;}&#39; or the end of the range. In this example</span>
-<span class="w">    </span><span class="c1">// the formatter should parse the &#39;f&#39; specifier and return an iterator</span>
-<span class="w">    </span><span class="c1">// pointing to &#39;}&#39;.</span>
-
-<span class="w">    </span><span class="c1">// Please also note that this character range may be empty, in case of</span>
-<span class="w">    </span><span class="c1">// the &quot;{}&quot; format string, so therefore you should check ctx.begin()</span>
-<span class="w">    </span><span class="c1">// for equality with ctx.end().</span>
-
-<span class="w">    </span><span class="c1">// Parse the presentation format and store it in the formatter:</span>
-<span class="w">    </span><span class="k">auto</span><span class="w"> </span><span class="n">it</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">begin</span><span class="p">(),</span><span class="w"> </span><span class="n">end</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ctx</span><span class="p">.</span><span class="n">end</span><span class="p">();</span><span class="w"></span>
-<span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">it</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="n">end</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="p">(</span><span class="o">*</span><span class="n">it</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="sc">&#39;f&#39;</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="o">*</span><span class="n">it</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="sc">&#39;e&#39;</span><span class="p">))</span><span class="w"> </span><span class="n">presentation</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">*</span><span class="n">it</span><span class="o">++</span><span class="p">;</span><span class="w"></span>
-
-<span class="w">    </span><span class="c1">// Check if reached the end of the range:</span>
-<span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">it</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="n">end</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="o">*</span><span class="n">it</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="sc">&#39;}&#39;</span><span class="p">)</span><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="n">format_error</span><span class="p">(</span><span class="s">&quot;invalid format&quot;</span><span class="p">);</span><span class="w"></span>
-
-<span class="w">    </span><span class="c1">// Return an iterator past the end of the parsed range:</span>
-<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">it</span><span class="p">;</span><span class="w"></span>
-<span class="w">  </span><span class="p">}</span><span class="w"></span>
-
-<span class="w">  </span><span class="c1">// Formats the point p using the parsed format specification (presentation)</span>
-<span class="w">  </span><span class="c1">// stored in this formatter.</span>
-<span class="w">  </span><span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="nc">FormatContext</span><span class="o">&gt;</span><span class="w"></span>
-<span class="w">  </span><span class="k">auto</span><span class="w"> </span><span class="n">format</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">point</span><span class="o">&amp;</span><span class="w"> </span><span class="n">p</span><span class="p">,</span><span class="w"> </span><span class="n">FormatContext</span><span class="o">&amp;</span><span class="w"> </span><span class="n">ctx</span><span class="p">)</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="o">-&gt;</span><span class="w"> </span><span class="k">decltype</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">out</span><span class="p">())</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="c1">// ctx.out() is an output iterator to write to.</span>
-<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">presentation</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="sc">&#39;f&#39;</span><span class="w"></span>
-<span class="w">              </span><span class="o">?</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format_to</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">out</span><span class="p">(),</span><span class="w"> </span><span class="s">&quot;({:.1f}, {:.1f})&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">x</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">y</span><span class="p">)</span><span class="w"></span>
-<span class="w">              </span><span class="o">:</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format_to</span><span class="p">(</span><span class="n">ctx</span><span class="p">.</span><span class="n">out</span><span class="p">(),</span><span class="w"> </span><span class="s">&quot;({:.1e}, {:.1e})&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">x</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">y</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-</pre></div>
-</div>
-<p>Then you can pass objects of type <code class="docutils literal notranslate"><span class="pre">point</span></code> to any formatting function:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">point</span><span class="w"> </span><span class="n">p</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p">};</span><span class="w"></span>
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:f}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// s == &quot;(1.0, 2.0)&quot;</span>
-</pre></div>
-</div>
-<p>You can also reuse existing formatters via inheritance or composition, for
-example:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">enum</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">color</span><span class="w"> </span><span class="p">{</span><span class="n">red</span><span class="p">,</span><span class="w"> </span><span class="n">green</span><span class="p">,</span><span class="w"> </span><span class="n">blue</span><span class="p">};</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;&gt;</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="nc">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">color</span><span class="o">&gt;:</span><span class="w"> </span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">string_view</span><span class="o">&gt;</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="c1">// parse is inherited from formatter&lt;string_view&gt;.</span>
-<span class="w">  </span><span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="nc">FormatContext</span><span class="o">&gt;</span><span class="w"></span>
-<span class="w">  </span><span class="k">auto</span><span class="w"> </span><span class="n">format</span><span class="p">(</span><span class="n">color</span><span class="w"> </span><span class="n">c</span><span class="p">,</span><span class="w"> </span><span class="n">FormatContext</span><span class="o">&amp;</span><span class="w"> </span><span class="n">ctx</span><span class="p">)</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="n">string_view</span><span class="w"> </span><span class="n">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;unknown&quot;</span><span class="p">;</span><span class="w"></span>
-<span class="w">    </span><span class="k">switch</span><span class="w"> </span><span class="p">(</span><span class="n">c</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="k">case</span><span class="w"> </span><span class="no">color</span><span class="o">::</span><span class="no">red</span><span class="p">:</span><span class="w">   </span><span class="n">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;red&quot;</span><span class="p">;</span><span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
-<span class="w">    </span><span class="k">case</span><span class="w"> </span><span class="no">color</span><span class="o">::</span><span class="no">green</span><span class="p">:</span><span class="w"> </span><span class="n">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;green&quot;</span><span class="p">;</span><span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
-<span class="w">    </span><span class="k">case</span><span class="w"> </span><span class="no">color</span><span class="o">::</span><span class="no">blue</span><span class="p">:</span><span class="w">  </span><span class="n">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;blue&quot;</span><span class="p">;</span><span class="w"> </span><span class="k">break</span><span class="p">;</span><span class="w"></span>
-<span class="w">    </span><span class="p">}</span><span class="w"></span>
-<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">string_view</span><span class="o">&gt;::</span><span class="n">format</span><span class="p">(</span><span class="n">name</span><span class="p">,</span><span class="w"> </span><span class="n">ctx</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-</pre></div>
-</div>
-<p>Since <code class="docutils literal notranslate"><span class="pre">parse</span></code> is inherited from <code class="docutils literal notranslate"><span class="pre">formatter&lt;string_view&gt;</span></code> it will recognize
-all string format specifications, for example</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:&gt;10}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">color</span><span class="o">::</span><span class="n">blue</span><span class="p">)</span><span class="w"></span>
-</pre></div>
-</div>
-<p>will return <code class="docutils literal notranslate"><span class="pre">&quot;</span>&#160;&#160;&#160;&#160;&#160; <span class="pre">blue&quot;</span></code>.</p>
-<p>You can also write a formatter for a hierarchy of classes:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;type_traits&gt;</span><span class="cp"></span>
-<span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="k">struct</span><span class="w"> </span><span class="nc">A</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="k">virtual</span><span class="w"> </span><span class="o">~</span><span class="n">A</span><span class="p">()</span><span class="w"> </span><span class="p">{}</span><span class="w"></span>
-<span class="w">  </span><span class="k">virtual</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">name</span><span class="p">()</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="s">&quot;A&quot;</span><span class="p">;</span><span class="w"> </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-
-<span class="k">struct</span><span class="w"> </span><span class="nc">B</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">A</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="k">virtual</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="nf">name</span><span class="p">()</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="s">&quot;B&quot;</span><span class="p">;</span><span class="w"> </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="nc">T</span><span class="o">&gt;</span><span class="w"></span>
-<span class="k">struct</span><span class="w"> </span><span class="nc">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">T</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">enable_if_t</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">is_base_of</span><span class="o">&lt;</span><span class="n">A</span><span class="p">,</span><span class="w"> </span><span class="n">T</span><span class="o">&gt;::</span><span class="n">value</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">&gt;&gt;</span><span class="w"> </span><span class="o">:</span><span class="w"></span>
-<span class="w">    </span><span class="n">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&gt;</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="nc">FormatCtx</span><span class="o">&gt;</span><span class="w"></span>
-<span class="w">  </span><span class="k">auto</span><span class="w"> </span><span class="n">format</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">A</span><span class="o">&amp;</span><span class="w"> </span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="n">FormatCtx</span><span class="o">&amp;</span><span class="w"> </span><span class="n">ctx</span><span class="p">)</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&gt;::</span><span class="n">format</span><span class="p">(</span><span class="n">a</span><span class="p">.</span><span class="n">name</span><span class="p">(),</span><span class="w"> </span><span class="n">ctx</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-
-<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">B</span><span class="w"> </span><span class="n">b</span><span class="p">;</span><span class="w"></span>
-<span class="w">  </span><span class="n">A</span><span class="o">&amp;</span><span class="w"> </span><span class="n">a</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">b</span><span class="p">;</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">a</span><span class="p">);</span><span class="w"> </span><span class="c1">// prints &quot;B&quot;</span>
-<span class="p">}</span><span class="w"></span>
-</pre></div>
-</div>
-<p>If a type provides both a <code class="docutils literal notranslate"><span class="pre">formatter</span></code> specialization and an implicit
-conversion to a formattable type, the specialization takes precedence over the
-conversion.</p>
-<p>For enums {fmt} also provides the <code class="docutils literal notranslate"><span class="pre">format_as</span></code> extension API. To format an enum
-via this API define <code class="docutils literal notranslate"><span class="pre">format_as</span></code> that takes this enum and converts it to the
-underlying type. <code class="docutils literal notranslate"><span class="pre">format_as</span></code> should be defined in the same namespace as the
-enum.</p>
-<p>Example (<a class="reference external" href="https://godbolt.org/z/r7vvGE1v7">https://godbolt.org/z/r7vvGE1v7</a>):</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="k">namespace</span><span class="w"> </span><span class="nn">kevin_namespacy</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="k">enum</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">film</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">house_of_cards</span><span class="p">,</span><span class="w"> </span><span class="n">american_beauty</span><span class="p">,</span><span class="w"> </span><span class="n">se7en</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">7</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-<span class="k">auto</span><span class="w"> </span><span class="n">format_as</span><span class="p">(</span><span class="n">film</span><span class="w"> </span><span class="n">f</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">underlying</span><span class="p">(</span><span class="n">f</span><span class="p">);</span><span class="w"> </span><span class="p">}</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-
-<span class="kt">int</span><span class="w"> </span><span class="n">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">kevin_namespacy</span><span class="o">::</span><span class="n">film</span><span class="o">::</span><span class="n">se7en</span><span class="p">);</span><span class="w"> </span><span class="c1">// prints &quot;7&quot;</span>
-<span class="p">}</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="literal-based-api">
-<h3>Literal-Based API<a class="headerlink" href="#literal-based-api" title="Permalink to this headline">¶</a></h3>
-<p>The following user-defined literals are defined in <code class="docutils literal notranslate"><span class="pre">fmt/format.h</span></code>.</p>
-<dl class="cpp function">
-<dt id="_CPPv4I_N15detail_exported12fixed_stringEEN3fmtli2_aEDav">
-<span id="_CPPv3I_N15detail_exported12fixed_stringEEN3fmtli2_aEv"></span><span id="_CPPv2I_N15detail_exported12fixed_stringEEN3fmtli2_aEv"></span>template&lt;detail_exported::fixed_string <code class="sig-name descname">Str</code>&gt;<br /><span class="target" id="format_8h_1a61cae931a86f3a5891edf0ff838fee3a"></span><em class="property">constexpr</em> auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">operator&quot;&quot;_a</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4I_N15detail_exported12fixed_stringEEN3fmtli2_aEDav" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>User-defined literal equivalent of <a class="reference internal" href="#_CPPv4I00EN3fmt3argEN6detail9named_argI4Char1TEEPK4CharRK1T" title="fmt::arg"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">fmt::arg()</span></code></a>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">using</span><span class="w"> </span><span class="k">namespace</span><span class="w"> </span><span class="nn">fmt</span><span class="o">::</span><span class="nn">literals</span><span class="p">;</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Elapsed time: {s:.2f} seconds&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;s&quot;</span><span class="n">_a</span><span class="o">=</span><span class="mf">1.23</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="utilities">
-<h3>Utilities<a class="headerlink" href="#utilities" title="Permalink to this headline">¶</a></h3>
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt3ptrEPKv1T">
-<span id="_CPPv3I0EN3fmt3ptrE1T"></span><span id="_CPPv2I0EN3fmt3ptrE1T"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1ac62203b4bde2a7a7e3a3ef05c33f8675"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">ptr</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN3fmt3ptrEPKv1T" title="fmt::ptr::T">T</a> <em>p</em><span class="sig-paren">)</span> -&gt; <em class="property">const</em> void*<a class="headerlink" href="#_CPPv4I0EN3fmt3ptrEPKv1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Converts <code class="docutils literal notranslate"><span class="pre">p</span></code> to <code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">void*</span></code> for pointer formatting.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">ptr</span><span class="p">(</span><span class="n">p</span><span class="p">));</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt3ptrEPKvRKNSt10unique_ptrI1TEE">
-<span id="_CPPv3I0EN3fmt3ptrERKNSt10unique_ptrI1TEE"></span><span id="_CPPv2I0EN3fmt3ptrERKNSt10unique_ptrI1TEE"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1a979e8d2bff18ee7e226368801d5b2d61"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">ptr</code><span class="sig-paren">(</span><em class="property">const</em> std::unique_ptr&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt3ptrEPKvRKNSt10unique_ptrI1TEE" title="fmt::ptr::T">T</a>&gt; &amp;<em>p</em><span class="sig-paren">)</span> -&gt; <em class="property">const</em> void*<a class="headerlink" href="#_CPPv4I0EN3fmt3ptrEPKvRKNSt10unique_ptrI1TEE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt3ptrEPKvRKNSt10shared_ptrI1TEE">
-<span id="_CPPv3I0EN3fmt3ptrERKNSt10shared_ptrI1TEE"></span><span id="_CPPv2I0EN3fmt3ptrERKNSt10shared_ptrI1TEE"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1ac0a9165f6676ea8fce0c34e7297e53a9"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">ptr</code><span class="sig-paren">(</span><em class="property">const</em> std::shared_ptr&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt3ptrEPKvRKNSt10shared_ptrI1TEE" title="fmt::ptr::T">T</a>&gt; &amp;<em>p</em><span class="sig-paren">)</span> -&gt; <em class="property">const</em> void*<a class="headerlink" href="#_CPPv4I0EN3fmt3ptrEPKvRKNSt10shared_ptrI1TEE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt10underlyingE12underlying_tI4EnumE4Enum">
-<span id="_CPPv3I0EN3fmt10underlyingE4Enum"></span><span id="_CPPv2I0EN3fmt10underlyingE4Enum"></span>template&lt;typename <code class="sig-name descname">Enum</code>&gt;<br /><span class="target" id="format_8h_1a809639c35a5a0daa5e1cc84c522c75c9"></span><em class="property">constexpr</em> auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">underlying</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN3fmt10underlyingE12underlying_tI4EnumE4Enum" title="fmt::underlying::Enum">Enum</a> <em>e</em><span class="sig-paren">)</span> <em class="property">noexcept</em> -&gt; underlying_t&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt10underlyingE12underlying_tI4EnumE4Enum" title="fmt::underlying::Enum">Enum</a>&gt;<a class="headerlink" href="#_CPPv4I0EN3fmt10underlyingE12underlying_tI4EnumE4Enum" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Converts <code class="docutils literal notranslate"><span class="pre">e</span></code> to the underlying type.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">enum</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">color</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="n">red</span><span class="p">,</span><span class="w"> </span><span class="n">green</span><span class="p">,</span><span class="w"> </span><span class="n">blue</span><span class="w"> </span><span class="p">};</span><span class="w"></span>
-<span class="k">auto</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">underlying</span><span class="p">(</span><span class="n">color</span><span class="o">::</span><span class="n">red</span><span class="p">));</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt9to_stringENSt6stringERK1T">
-<span id="_CPPv3I0EN3fmt9to_stringERK1T"></span><span id="_CPPv2I0EN3fmt9to_stringERK1T"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1ae498a7e951bb8f06f53bd6cb4e371633"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">to_string</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt9to_stringENSt6stringERK1T" title="fmt::to_string::T">T</a> &amp;<em>value</em><span class="sig-paren">)</span> -&gt; std::string<a class="headerlink" href="#_CPPv4I0EN3fmt9to_stringENSt6stringERK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Converts <em>value</em> to <code class="docutils literal notranslate"><span class="pre">std::string</span></code> using the default format for type <em>T</em>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">answer</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">to_string</span><span class="p">(</span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view">
-<span id="_CPPv3I0EN3fmt4joinERR5Range11string_view"></span><span id="_CPPv2I0EN3fmt4joinERR5Range11string_view"></span>template&lt;typename <code class="sig-name descname">Range</code>&gt;<br /><span class="target" id="format_8h_1a6bcb993efacb2f2b423c408a7f99811a"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">join</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="fmt::join::Range">Range</a> &amp;&amp;<em>range</em>, <a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>sep</em><span class="sig-paren">)</span> -&gt; join_view&lt;detail::iterator_t&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="fmt::join::Range">Range</a>&gt;, detail::sentinel_t&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="fmt::join::Range">Range</a>&gt;&gt;<a class="headerlink" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Returns a view that formats <a class="reference internal" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="fmt::join::range"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">range</span></code></a> with elements separated by <a class="reference internal" href="#_CPPv4I0EN3fmt4joinE9join_viewIN6detail10iterator_tI5RangeEEN6detail10sentinel_tI5RangeEEERR5Range11string_view" title="fmt::join::sep"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">sep</span></code></a>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="o">&lt;</span><span class="kt">int</span><span class="o">&gt;</span><span class="w"> </span><span class="n">v</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p">,</span><span class="w"> </span><span class="mi">3</span><span class="p">};</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">join</span><span class="p">(</span><span class="n">v</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;, &quot;</span><span class="p">));</span><span class="w"></span>
-<span class="c1">// Output: &quot;1, 2, 3&quot;</span>
-</pre></div>
-</div>
-<p><code class="docutils literal notranslate"><span class="pre">fmt::join</span></code> applies passed format specifiers to the range elements:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{:02}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">join</span><span class="p">(</span><span class="n">v</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;, &quot;</span><span class="p">));</span><span class="w"></span>
-<span class="c1">// Output: &quot;01, 02, 03&quot;</span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view">
-<span id="_CPPv3I00EN3fmt4joinE2It8Sentinel11string_view"></span><span id="_CPPv2I00EN3fmt4joinE2It8Sentinel11string_view"></span>template&lt;typename <code class="sig-name descname">It</code>, typename <code class="sig-name descname">Sentinel</code>&gt;<br /><span class="target" id="format_8h_1a0d920c12aba189c116ca1a33aee29f7f"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">join</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view" title="fmt::join::It">It</a> <em>begin</em>, <a class="reference internal" href="#_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view" title="fmt::join::Sentinel">Sentinel</a> <em>end</em>, <a class="reference internal" href="#_CPPv4N3fmt11string_viewE" title="fmt::string_view">string_view</a> <em>sep</em><span class="sig-paren">)</span> -&gt; join_view&lt;<a class="reference internal" href="#_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view" title="fmt::join::It">It</a>, <a class="reference internal" href="#_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view" title="fmt::join::Sentinel">Sentinel</a>&gt;<a class="headerlink" href="#_CPPv4I00EN3fmt4joinE9join_viewI2It8SentinelE2It8Sentinel11string_view" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns a view that formats the iterator range <code class="docutils literal notranslate"><span class="pre">[begin,</span> <span class="pre">end)</span></code> with elements separated by <code class="docutils literal notranslate"><span class="pre">sep</span></code>. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt12group_digitsE17group_digits_viewI1TE1T">
-<span id="_CPPv3I0EN3fmt12group_digitsE1T"></span><span id="_CPPv2I0EN3fmt12group_digitsE1T"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1a229cf9b3f39965821d68af045a5f6cc4"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">group_digits</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN3fmt12group_digitsE17group_digits_viewI1TE1T" title="fmt::group_digits::T">T</a> <em>value</em><span class="sig-paren">)</span> -&gt; group_digits_view&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt12group_digitsE17group_digits_viewI1TE1T" title="fmt::group_digits::T">T</a>&gt;<a class="headerlink" href="#_CPPv4I0EN3fmt12group_digitsE17group_digits_viewI1TE1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Returns a view that formats an integer value using ‘,’ as a locale-independent
-thousands separator.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">group_digits</span><span class="p">(</span><span class="mi">12345</span><span class="p">));</span><span class="w"></span>
-<span class="c1">// Output: &quot;12,345&quot;</span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0EN3fmt6detail6bufferE">
-<span id="_CPPv3I0EN3fmt6detail6bufferE"></span><span id="_CPPv2I0EN3fmt6detail6bufferE"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="classfmt_1_1detail_1_1buffer"></span><em class="property">class </em><code class="sig-prename descclassname">fmt::detail<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">buffer</code><a class="headerlink" href="#_CPPv4I0EN3fmt6detail6bufferE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>A contiguous memory buffer with an optional growing ability. It is an internal
-class and shouldn’t be used directly, only via <a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">basic_memory_buffer</span></code></a>.</p>
-</p>
- </p>
-<p>Subclassed by <a class="reference internal" href="#classfmt_1_1basic__memory__buffer"><span class="std std-ref">fmt::basic_memory_buffer&lt; bigit, bigits_capacity &gt;</span></a>, <a class="reference internal" href="#classfmt_1_1basic__memory__buffer"><span class="std std-ref">fmt::basic_memory_buffer&lt; wchar_t &gt;</span></a>, <a class="reference internal" href="#classfmt_1_1basic__memory__buffer"><span class="std std-ref">fmt::basic_memory_buffer&lt; T, SIZE, Allocator &gt;</span></a>, fmt::detail::iterator_buffer&lt; OutputIt, T, Traits &gt;, fmt::detail::iterator_buffer&lt; T *, T &gt;, fmt::detail::iterator_buffer&lt; T *, T, fixed_buffer_traits &gt;</p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt6detail6buffer4sizeEv">
-<span id="_CPPv3NK3fmt6detail6buffer4sizeEv"></span><span id="_CPPv2NK3fmt6detail6buffer4sizeEv"></span><span id="fmt::detail::buffer::sizeCCE"></span><span class="target" id="classfmt_1_1detail_1_1buffer_1a490109c8af99a7bbc522bab73c6d6a3f"></span><em class="property">constexpr</em> auto <code class="sig-name descname">size</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; size_t<a class="headerlink" href="#_CPPv4NK3fmt6detail6buffer4sizeEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns the size of this buffer. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt6detail6buffer8capacityEv">
-<span id="_CPPv3NK3fmt6detail6buffer8capacityEv"></span><span id="_CPPv2NK3fmt6detail6buffer8capacityEv"></span><span id="fmt::detail::buffer::capacityCCE"></span><span class="target" id="classfmt_1_1detail_1_1buffer_1af35c750f68db5aee87528c56ad773fc3"></span><em class="property">constexpr</em> auto <code class="sig-name descname">capacity</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; size_t<a class="headerlink" href="#_CPPv4NK3fmt6detail6buffer8capacityEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns the capacity of this buffer. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt6detail6buffer4dataEv">
-<span id="_CPPv3N3fmt6detail6buffer4dataEv"></span><span id="_CPPv2N3fmt6detail6buffer4dataEv"></span><span id="fmt::detail::buffer::data"></span><span class="target" id="classfmt_1_1detail_1_1buffer_1ad520da92b9f427d5a1943c0806f55d99"></span>auto <code class="sig-name descname">data</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">noexcept</em> -&gt; <a class="reference internal" href="#_CPPv4I0EN3fmt6detail6bufferE" title="fmt::detail::buffer::T">T</a>*<a class="headerlink" href="#_CPPv4N3fmt6detail6buffer4dataEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns a pointer to the buffer data. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4NK3fmt6detail6buffer4dataEv">
-<span id="_CPPv3NK3fmt6detail6buffer4dataEv"></span><span id="_CPPv2NK3fmt6detail6buffer4dataEv"></span><span id="fmt::detail::buffer::dataC"></span><span class="target" id="classfmt_1_1detail_1_1buffer_1a3e1655ac7956476a2d8f8f3a3e8f8e2b"></span>auto <code class="sig-name descname">data</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em> -&gt; <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt6detail6bufferE" title="fmt::detail::buffer::T">T</a>*<a class="headerlink" href="#_CPPv4NK3fmt6detail6buffer4dataEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Returns a pointer to the buffer data. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt6detail6buffer5clearEv">
-<span id="_CPPv3N3fmt6detail6buffer5clearEv"></span><span id="_CPPv2N3fmt6detail6buffer5clearEv"></span><span id="fmt::detail::buffer::clear"></span><span class="target" id="classfmt_1_1detail_1_1buffer_1ac64497e345116bae746b638cedb7ac20"></span>void <code class="sig-name descname">clear</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt6detail6buffer5clearEv" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Clears this buffer. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt6detail6buffer6appendEvPK1UPK1U">
-<span id="_CPPv3I0EN3fmt6detail6buffer6appendEPK1UPK1U"></span><span id="_CPPv2I0EN3fmt6detail6buffer6appendEPK1UPK1U"></span>template&lt;typename <code class="sig-name descname">U</code>&gt;<br /><span class="target" id="classfmt_1_1detail_1_1buffer_1afae920b7b90cc657d4bd9df9ceac4c2b"></span>void <code class="sig-name descname">append</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt6detail6buffer6appendEvPK1UPK1U" title="fmt::detail::buffer::append::U">U</a> *<em>begin</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt6detail6buffer6appendEvPK1UPK1U" title="fmt::detail::buffer::append::U">U</a> *<em>end</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4I0EN3fmt6detail6buffer6appendEvPK1UPK1U" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Appends data to the end of the buffer. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-<dl class="cpp class">
-<dt id="_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE">
-<span id="_CPPv3I0_6size_t0EN3fmt19basic_memory_bufferE"></span><span id="_CPPv2I0_6size_t0EN3fmt19basic_memory_bufferE"></span>template&lt;typename <code class="sig-name descname">T</code>, size_t <code class="sig-name descname">SIZE</code> = inline_buffer_size, typename <code class="sig-name descname">Allocator</code> = std::allocator&lt;<a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer::T">T</a>&gt;&gt;<br /><span class="target" id="classfmt_1_1basic__memory__buffer"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">basic_memory_buffer</code> : <em class="property">public</em> fmt::detail::<a class="reference internal" href="#_CPPv4I0EN3fmt6detail6bufferE" title="fmt::detail::buffer">buffer</a>&lt;<a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer::T">T</a>&gt;<a class="headerlink" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>A dynamically growing memory buffer for trivially copyable/constructible types
-with the first <code class="docutils literal notranslate"><span class="pre">SIZE</span></code> elements stored in the object itself.</p>
-<p>You can use the <code class="docutils literal notranslate"><span class="pre">memory_buffer</span></code> type alias for <code class="docutils literal notranslate"><span class="pre">char</span></code> instead.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">memory_buffer</span><span class="p">();</span><span class="w"></span>
-<span class="n">format_to</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">back_inserter</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;The answer is {}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>This will append the following output to the <code class="docutils literal notranslate"><span class="pre">out</span></code> object:</p>
-<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>The answer is 42.
-</pre></div>
-</div>
-<p>The output can be converted to an <code class="docutils literal notranslate"><span class="pre">std::string</span></code> with <code class="docutils literal notranslate"><span class="pre">to_string(out)</span></code>.</p>
-</p>
- </p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19basic_memory_buffer19basic_memory_bufferERR19basic_memory_buffer">
-<span id="_CPPv3N3fmt19basic_memory_buffer19basic_memory_bufferERR19basic_memory_buffer"></span><span id="_CPPv2N3fmt19basic_memory_buffer19basic_memory_bufferERR19basic_memory_buffer"></span><span id="fmt::basic_memory_buffer::basic_memory_buffer__basic_memory_bufferRR"></span><span class="target" id="classfmt_1_1basic__memory__buffer_1aec38f6a7ca917da114e568bc15bc80f6"></span><code class="sig-name descname">basic_memory_buffer</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4N3fmt19basic_memory_buffer19basic_memory_bufferERR19basic_memory_buffer" title="fmt::basic_memory_buffer::basic_memory_buffer">basic_memory_buffer</a> &amp;&amp;<em>other</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N3fmt19basic_memory_buffer19basic_memory_bufferERR19basic_memory_buffer" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs a <a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">fmt::basic_memory_buffer</span></code></a> object moving the content
-of the other object to it.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19basic_memory_bufferaSERR19basic_memory_buffer">
-<span id="_CPPv3N3fmt19basic_memory_bufferaSERR19basic_memory_buffer"></span><span id="_CPPv2N3fmt19basic_memory_bufferaSERR19basic_memory_buffer"></span><span id="fmt::basic_memory_buffer::assign-operator__basic_memory_bufferRR"></span><span class="target" id="classfmt_1_1basic__memory__buffer_1a4aba406807261c3f67426706f788bc83"></span>auto <code class="sig-name descname">operator=</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer">basic_memory_buffer</a> &amp;&amp;<em>other</em><span class="sig-paren">)</span> <em class="property">noexcept</em> -&gt; <a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer">basic_memory_buffer</a>&amp;<a class="headerlink" href="#_CPPv4N3fmt19basic_memory_bufferaSERR19basic_memory_buffer" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Moves the content of the other <code class="docutils literal notranslate"><span class="pre">basic_memory_buffer</span></code> object to this one.</p>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19basic_memory_buffer6resizeE6size_t">
-<span id="_CPPv3N3fmt19basic_memory_buffer6resizeE6size_t"></span><span id="_CPPv2N3fmt19basic_memory_buffer6resizeE6size_t"></span><span id="fmt::basic_memory_buffer::resize__s"></span><span class="target" id="classfmt_1_1basic__memory__buffer_1a29692fe33fa3b6a0a6af43e2368b80be"></span>void <code class="sig-name descname">resize</code><span class="sig-paren">(</span>size_t <em>count</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt19basic_memory_buffer6resizeE6size_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Resizes the buffer to contain <em>count</em> elements. </p>
-<p>If T is a POD type new elements may not be initialized. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19basic_memory_buffer7reserveE6size_t">
-<span id="_CPPv3N3fmt19basic_memory_buffer7reserveE6size_t"></span><span id="_CPPv2N3fmt19basic_memory_buffer7reserveE6size_t"></span><span id="fmt::basic_memory_buffer::reserve__s"></span><span class="target" id="classfmt_1_1basic__memory__buffer_1a8398ff2d3ab710d960b32d5695680551"></span>void <code class="sig-name descname">reserve</code><span class="sig-paren">(</span>size_t <em>new_capacity</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt19basic_memory_buffer7reserveE6size_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Increases the buffer capacity to <em>new_capacity</em>. </p>
-</dd></dl>
-
-</div>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Protected Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19basic_memory_buffer4growE6size_t">
-<span id="_CPPv3N3fmt19basic_memory_buffer4growE6size_t"></span><span id="_CPPv2N3fmt19basic_memory_buffer4growE6size_t"></span><span id="fmt::basic_memory_buffer::grow__s"></span><span class="target" id="classfmt_1_1basic__memory__buffer_1aeca96953f3c076256cf069c6b0dfef07"></span>void <code class="sig-name descname">grow</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span> <em class="property">override</em><a class="headerlink" href="#_CPPv4N3fmt19basic_memory_buffer4growE6size_t" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Increases the buffer capacity to hold at least <em>capacity</em> elements. </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-</section>
-<section id="system-errors">
-<h3>System Errors<a class="headerlink" href="#system-errors" title="Permalink to this headline">¶</a></h3>
-<p>{fmt} does not use <code class="docutils literal notranslate"><span class="pre">errno</span></code> to communicate errors to the user, but it may call
-system functions which set <code class="docutils literal notranslate"><span class="pre">errno</span></code>. Users should not make any assumptions
-about the value of <code class="docutils literal notranslate"><span class="pre">errno</span></code> being preserved by library functions.</p>
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt12system_errorENSt12system_errorEi13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt12system_errorEi13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt12system_errorEi13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="format_8h_1aa2da9f32c148ea5b56bd8e744a428d28"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt12system_errorENSt12system_errorEi13format_stringIDp1TEDpRR1T" title="fmt::system_error::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">system_error</code><span class="sig-paren">(</span>int <em>error_code</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt12system_errorENSt12system_errorEi13format_stringIDp1TEDpRR1T" title="fmt::system_error::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt12system_errorENSt12system_errorEi13format_stringIDp1TEDpRR1T" title="fmt::system_error::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; std::system_error<a class="headerlink" href="#_CPPv4IDpEN3fmt12system_errorENSt12system_errorEi13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Constructs <code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">std::system_error</span></code> with a message formatted with
-<code class="docutils literal notranslate"><span class="pre">fmt::format(fmt,</span> <span class="pre">args...)</span></code>.</p>
-<blockquote>
-<div><p><em>error_code</em> is a system error code as given by <code class="docutils literal notranslate"><span class="pre">errno</span></code>.</p>
-</div></blockquote>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// This throws std::system_error with the description</span>
-<span class="c1">//   cannot open file &#39;madeup&#39;: No such file or directory</span>
-<span class="c1">// or similar (system message may vary).</span>
-<span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">filename</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;madeup&quot;</span><span class="p">;</span><span class="w"></span>
-<span class="n">std</span><span class="o">::</span><span class="kt">FILE</span><span class="o">*</span><span class="w"> </span><span class="n">file</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">fopen</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;r&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">file</span><span class="p">)</span><span class="w"></span>
-<span class="w">  </span><span class="k">throw</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">system_error</span><span class="p">(</span><span class="n">errno</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;cannot open file &#39;{}&#39;&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">filename</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt19format_system_errorERN6detail6bufferIcEEiPKc">
-<span id="_CPPv3N3fmt19format_system_errorERN6detail6bufferIcEEiPKc"></span><span id="_CPPv2N3fmt19format_system_errorERN6detail6bufferIcEEiPKc"></span><span id="fmt::format_system_error__detail::buffer:c:R.i.cCP"></span><span class="target" id="format_8h_1a51bce415ec78dfa92c6acecb16a69640"></span>void <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">format_system_error</code><span class="sig-paren">(</span>detail::<a class="reference internal" href="#_CPPv4I0EN3fmt6detail6bufferE" title="fmt::detail::buffer">buffer</a>&lt;char&gt; &amp;<em>out</em>, int <em>error_code</em>, <em class="property">const</em> char *<em>message</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N3fmt19format_system_errorERN6detail6bufferIcEEiPKc" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats an error message for an error returned by an operating system or a
-language runtime, for example a file opening error, and writes it to <em>out</em>.
-The format is the same as the one used by <code class="docutils literal notranslate"><span class="pre">std::system_error(ec,</span> <span class="pre">message)</span></code>
-where <code class="docutils literal notranslate"><span class="pre">ec</span></code> is <code class="docutils literal notranslate"><span class="pre">std::error_code(error_code,</span> <span class="pre">std::generic_category()})</span></code>.
-It is implementation-defined but normally looks like:</p>
-<pre class="literal-block"><em>&lt;message&gt;</em>: <em>&lt;system-message&gt;</em></pre>
-<p>where <em>&lt;message&gt;</em> is the passed message and <em>&lt;system-message&gt;</em> is the system
-message corresponding to the error code.
-<em>error_code</em> is a system error code as given by <code class="docutils literal notranslate"><span class="pre">errno</span></code>.</p>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="custom-allocators">
-<h3>Custom Allocators<a class="headerlink" href="#custom-allocators" title="Permalink to this headline">¶</a></h3>
-<p>The {fmt} library supports custom dynamic memory allocators.
-A custom allocator class can be specified as a template argument to
-<a class="reference internal" href="#_CPPv4I0_6size_t0EN3fmt19basic_memory_bufferE" title="fmt::basic_memory_buffer"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">fmt::basic_memory_buffer</span></code></a>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">using</span><span class="w"> </span><span class="n">custom_memory_buffer</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">basic_memory_buffer</span><span class="o">&lt;</span><span class="kt">char</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">inline_buffer_size</span><span class="p">,</span><span class="w"> </span><span class="n">custom_allocator</span><span class="o">&gt;</span><span class="p">;</span><span class="w"></span>
-</pre></div>
-</div>
-<p>It is also possible to write a formatting function that uses a custom
-allocator:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">using</span><span class="w"> </span><span class="n">custom_string</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
-<span class="w">  </span><span class="n">std</span><span class="o">::</span><span class="n">basic_string</span><span class="o">&lt;</span><span class="kt">char</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">char_traits</span><span class="o">&lt;</span><span class="kt">char</span><span class="o">&gt;</span><span class="p">,</span><span class="w"> </span><span class="n">custom_allocator</span><span class="o">&gt;</span><span class="p">;</span><span class="w"></span>
-
-<span class="n">custom_string</span><span class="w"> </span><span class="nf">vformat</span><span class="p">(</span><span class="n">custom_allocator</span><span class="w"> </span><span class="n">alloc</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">string_view</span><span class="w"> </span><span class="n">format_str</span><span class="p">,</span><span class="w"></span>
-<span class="w">                      </span><span class="n">fmt</span><span class="o">::</span><span class="n">format_args</span><span class="w"> </span><span class="n">args</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="k">auto</span><span class="w"> </span><span class="n">buf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">custom_memory_buffer</span><span class="p">(</span><span class="n">alloc</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">vformat_to</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">back_inserter</span><span class="p">(</span><span class="n">buf</span><span class="p">),</span><span class="w"> </span><span class="n">format_str</span><span class="p">,</span><span class="w"> </span><span class="n">args</span><span class="p">);</span><span class="w"></span>
-<span class="w">  </span><span class="k">return</span><span class="w"> </span><span class="n">custom_string</span><span class="p">(</span><span class="n">buf</span><span class="p">.</span><span class="n">data</span><span class="p">(),</span><span class="w"> </span><span class="n">buf</span><span class="p">.</span><span class="n">size</span><span class="p">(),</span><span class="w"> </span><span class="n">alloc</span><span class="p">);</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;</span><span class="k">typename</span><span class="w"> </span><span class="p">...</span><span class="n">Args</span><span class="o">&gt;</span><span class="w"></span>
-<span class="kr">inline</span><span class="w"> </span><span class="n">custom_string</span><span class="w"> </span><span class="n">format</span><span class="p">(</span><span class="n">custom_allocator</span><span class="w"> </span><span class="n">alloc</span><span class="p">,</span><span class="w"></span>
-<span class="w">                            </span><span class="n">fmt</span><span class="o">::</span><span class="n">string_view</span><span class="w"> </span><span class="n">format_str</span><span class="p">,</span><span class="w"></span>
-<span class="w">                            </span><span class="k">const</span><span class="w"> </span><span class="n">Args</span><span class="o">&amp;</span><span class="w"> </span><span class="p">...</span><span class="w"> </span><span class="n">args</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="k">return</span><span class="w"> </span><span class="n">vformat</span><span class="p">(</span><span class="n">alloc</span><span class="p">,</span><span class="w"> </span><span class="n">format_str</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">make_format_args</span><span class="p">(</span><span class="n">args</span><span class="p">...));</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-</pre></div>
-</div>
-<p>The allocator will be used for the output container only. Formatting functions
-normally don’t do any allocations for built-in and string types except for
-non-default floating-point formatting that occasionally falls back on
-<code class="docutils literal notranslate"><span class="pre">sprintf</span></code>.</p>
-</section>
-</section>
-<section id="range-and-tuple-formatting">
-<span id="ranges-api"></span><h2>Range and Tuple Formatting<a class="headerlink" href="#range-and-tuple-formatting" title="Permalink to this headline">¶</a></h2>
-<p>The library also supports convenient formatting of ranges and tuples:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/ranges.h&gt;</span><span class="cp"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">tuple</span><span class="o">&lt;</span><span class="kt">char</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="p">,</span><span class="w"> </span><span class="kt">float</span><span class="o">&gt;</span><span class="w"> </span><span class="n">t</span><span class="p">{</span><span class="sc">&#39;a&#39;</span><span class="p">,</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mf">2.0f</span><span class="p">};</span><span class="w"></span>
-<span class="c1">// Prints &quot;(&#39;a&#39;, 1, 2.0)&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">t</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>NOTE: currently, the overload of <code class="docutils literal notranslate"><span class="pre">fmt::join</span></code> for iterables exists in the main
-<code class="docutils literal notranslate"><span class="pre">format.h</span></code> header, but expect this to change in the future.</p>
-<p>Using <code class="docutils literal notranslate"><span class="pre">fmt::join</span></code>, you can separate tuple elements with a custom separator:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/ranges.h&gt;</span><span class="cp"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">tuple</span><span class="o">&lt;</span><span class="kt">int</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">&gt;</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;a&#39;</span><span class="p">};</span><span class="w"></span>
-<span class="c1">// Prints &quot;1, a&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">join</span><span class="p">(</span><span class="n">t</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;, &quot;</span><span class="p">));</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="date-and-time-formatting">
-<span id="chrono-api"></span><h2>Date and Time Formatting<a class="headerlink" href="#date-and-time-formatting" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/chrono.h</span></code> provides formatters for</p>
-<ul class="simple">
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/chrono/duration">std::chrono::duration</a></p></li>
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/chrono/time_point">std::chrono::time_point</a></p></li>
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/chrono/c/tm">std::tm</a></p></li>
-</ul>
-<p>The format syntax is described in <a class="reference internal" href="syntax.html#chrono-specs"><span class="std std-ref">Chrono Format Specifications</span></a>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/chrono.h&gt;</span><span class="cp"></span>
-
-<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">std</span><span class="o">::</span><span class="kt">time_t</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">time</span><span class="p">(</span><span class="k">nullptr</span><span class="p">);</span><span class="w"></span>
-
-<span class="w">  </span><span class="c1">// Prints &quot;The date is 2020-11-07.&quot; (with the current date):</span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;The date is {:%Y-%m-%d}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">localtime</span><span class="p">(</span><span class="n">t</span><span class="p">));</span><span class="w"></span>
-
-<span class="w">  </span><span class="k">using</span><span class="w"> </span><span class="k">namespace</span><span class="w"> </span><span class="nn">std</span><span class="o">::</span><span class="nn">literals</span><span class="o">::</span><span class="nn">chrono_literals</span><span class="p">;</span><span class="w"></span>
-
-<span class="w">  </span><span class="c1">// Prints &quot;Default format: 42s 100ms&quot;:</span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Default format: {} {}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="n">s</span><span class="p">,</span><span class="w"> </span><span class="mi">100</span><span class="n">ms</span><span class="p">);</span><span class="w"></span>
-
-<span class="w">  </span><span class="c1">// Prints &quot;strftime-like format: 03:15:30&quot;:</span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;strftime-like format: {:%H:%M:%S}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">3</span><span class="n">h</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">15</span><span class="n">min</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">30</span><span class="n">s</span><span class="p">);</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-</pre></div>
-</div>
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt9localtimeENSt6time_tE">
-<span id="_CPPv3N3fmt9localtimeENSt6time_tE"></span><span id="_CPPv2N3fmt9localtimeENSt6time_tE"></span><span id="fmt::localtime__std::time_t"></span><span class="target" id="chrono_8h_1a5a6084b124ad167a65ce0a01209c2771"></span>std::tm <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">localtime</code><span class="sig-paren">(</span>std::time_t <em>time</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt9localtimeENSt6time_tE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Converts given time since epoch as <code class="docutils literal notranslate"><span class="pre">std::time_t</span></code> value into calendar time, expressed in local time. </p>
-<p>Unlike <code class="docutils literal notranslate"><span class="pre">std::localtime</span></code>, this function is thread-safe on most platforms. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt6gmtimeENSt6time_tE">
-<span id="_CPPv3N3fmt6gmtimeENSt6time_tE"></span><span id="_CPPv2N3fmt6gmtimeENSt6time_tE"></span><span id="fmt::gmtime__std::time_t"></span><span class="target" id="chrono_8h_1aa4daedca37ef22c6b073daa8b055d585"></span>std::tm <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">gmtime</code><span class="sig-paren">(</span>std::time_t <em>time</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N3fmt6gmtimeENSt6time_tE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Converts given time since epoch as <code class="docutils literal notranslate"><span class="pre">std::time_t</span></code> value into calendar time, expressed in Coordinated Universal Time (UTC). </p>
-<p>Unlike <code class="docutils literal notranslate"><span class="pre">std::gmtime</span></code>, this function is thread-safe on most platforms. </p>
-</dd></dl>
-
-</section>
-<section id="standard-library-types-formatting">
-<span id="std-api"></span><h2>Standard Library Types Formatting<a class="headerlink" href="#standard-library-types-formatting" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/std.h</span></code> provides formatters for:</p>
-<ul class="simple">
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/filesystem/path">std::filesystem::path</a></p></li>
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/thread/thread/id">std::thread::id</a></p></li>
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/utility/variant/monostate">std::monostate</a></p></li>
-<li><p><a class="reference external" href="https://en.cppreference.com/w/cpp/utility/variant/variant">std::variant</a></p></li>
-</ul>
-<section id="formatting-variants">
-<h3>Formatting Variants<a class="headerlink" href="#formatting-variants" title="Permalink to this headline">¶</a></h3>
-<p>A <code class="docutils literal notranslate"><span class="pre">std::variant</span></code> is only formattable if every variant alternative is formattable, and requires the
-<code class="docutils literal notranslate"><span class="pre">__cpp_lib_variant</span></code> <a class="reference external" href="https://en.cppreference.com/w/cpp/feature_test">library feature</a>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/std.h&gt;</span><span class="cp"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">variant</span><span class="o">&lt;</span><span class="kt">char</span><span class="p">,</span><span class="w"> </span><span class="kt">float</span><span class="o">&gt;</span><span class="w"> </span><span class="n">v0</span><span class="p">{</span><span class="sc">&#39;x&#39;</span><span class="p">};</span><span class="w"></span>
-<span class="c1">// Prints &quot;variant(&#39;x&#39;)&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">v0</span><span class="p">);</span><span class="w"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">variant</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">monostate</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">&gt;</span><span class="w"> </span><span class="n">v1</span><span class="p">;</span><span class="w"></span>
-<span class="c1">// Prints &quot;variant(monostate)&quot;</span>
-</pre></div>
-</div>
-</section>
-</section>
-<section id="format-string-compilation">
-<span id="compile-api"></span><h2>Format String Compilation<a class="headerlink" href="#format-string-compilation" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/compile.h</span></code> provides format string compilation enabled via the
-<code class="docutils literal notranslate"><span class="pre">FMT_COMPILE</span></code> macro or the <code class="docutils literal notranslate"><span class="pre">_cf</span></code> user-defined literal. Format strings
-marked with <code class="docutils literal notranslate"><span class="pre">FMT_COMPILE</span></code> or <code class="docutils literal notranslate"><span class="pre">_cf</span></code> are parsed, checked and converted into
-efficient formatting code at compile-time. This supports arguments of built-in
-and string types as well as user-defined types with <code class="docutils literal notranslate"><span class="pre">constexpr</span></code> <code class="docutils literal notranslate"><span class="pre">parse</span></code>
-functions in their <code class="docutils literal notranslate"><span class="pre">formatter</span></code> specializations. Format string compilation can
-generate more binary code compared to the default API and is only recommended in
-places where formatting is a performance bottleneck.</p>
-<dl class="cpp macro">
-<dt id="c.FMT_COMPILE">
-<span class="target" id="compile_8h_1a7186ba53487a4df4602ae1d75658db29"></span><code class="sig-name descname">FMT_COMPILE</code><span class="sig-paren">(</span><em>s</em><span class="sig-paren">)</span><a class="headerlink" href="#c.FMT_COMPILE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Converts a string literal <em>s</em> into a format string that will be parsed at
-compile time and converted into efficient formatting code. Requires C++17
-<code class="docutils literal notranslate"><span class="pre">constexpr</span> <span class="pre">if</span></code> compiler support.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// Converts 42 into std::string using the most efficient method and no</span>
-<span class="c1">// runtime format string processing.</span>
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="n">FMT_COMPILE</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">),</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I_N15detail_exported12fixed_stringEEN3fmtli3_cfEDav">
-<span id="_CPPv3I_N15detail_exported12fixed_stringEEN3fmtli3_cfEv"></span><span id="_CPPv2I_N15detail_exported12fixed_stringEEN3fmtli3_cfEv"></span>template&lt;detail_exported::fixed_string <code class="sig-name descname">Str</code>&gt;<br /><span class="target" id="compile_8h_1a79b71ea3d1d76cb384707cf16136fad5"></span><em class="property">constexpr</em> auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">operator&quot;&quot;_cf</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4I_N15detail_exported12fixed_stringEEN3fmtli3_cfEDav" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-</section>
-<section id="terminal-color-and-text-style">
-<span id="color-api"></span><h2>Terminal Color and Text Style<a class="headerlink" href="#terminal-color-and-text-style" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/color.h</span></code> provides support for terminal color and text style output.</p>
-<dl class="cpp function">
-<dt id="_CPPv4I0DpEN3fmt5printEvRK10text_styleRK1SDpRK4Args">
-<span id="_CPPv3I0DpEN3fmt5printERK10text_styleRK1SDpRK4Args"></span><span id="_CPPv2I0DpEN3fmt5printERK10text_styleRK1SDpRK4Args"></span>template&lt;typename <code class="sig-name descname">S</code>, typename ...<code class="sig-name descname">Args</code>&gt;<br /><span class="target" id="color_8h_1a2cc2ce51809b329a491730a7b7c13318"></span>void <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">print</code><span class="sig-paren">(</span><em class="property">const</em> text_style &amp;<em>ts</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0DpEN3fmt5printEvRK10text_styleRK1SDpRK4Args" title="fmt::print::S">S</a> &amp;<em>format_str</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0DpEN3fmt5printEvRK10text_styleRK1SDpRK4Args" title="fmt::print::Args">Args</a>&amp;... <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4I0DpEN3fmt5printEvRK10text_styleRK1SDpRK4Args" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats a string and prints it to stdout using ANSI escape sequences to
-specify text formatting.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="n">fmt</span><span class="o">::</span><span class="n">emphasis</span><span class="o">::</span><span class="n">bold</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">fg</span><span class="p">(</span><span class="n">fmt</span><span class="o">::</span><span class="n">color</span><span class="o">::</span><span class="n">red</span><span class="p">),</span><span class="w"></span>
-<span class="w">           </span><span class="s">&quot;Elapsed time: {0:.2f} seconds&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">1.23</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt2fgEN6detail10color_typeE">
-<span id="_CPPv3N3fmt2fgEN6detail10color_typeE"></span><span id="_CPPv2N3fmt2fgEN6detail10color_typeE"></span><span id="fmt::fg__detail::color_type"></span><span class="target" id="color_8h_1ae562883659d1d3f838b051b582cf7744"></span>text_style <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">fg</code><span class="sig-paren">(</span>detail::color_type <em>foreground</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N3fmt2fgEN6detail10color_typeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Creates a text style from the foreground (text) color. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4N3fmt2bgEN6detail10color_typeE">
-<span id="_CPPv3N3fmt2bgEN6detail10color_typeE"></span><span id="_CPPv2N3fmt2bgEN6detail10color_typeE"></span><span id="fmt::bg__detail::color_type"></span><span class="target" id="color_8h_1a6620824c655d9578079f0a7389775bf4"></span>text_style <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">bg</code><span class="sig-paren">(</span>detail::color_type <em>background</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N3fmt2bgEN6detail10color_typeE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Creates a text style from the background color. </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt6styledEN6detail10styled_argI14remove_cvref_tI1TEEERK1T10text_style">
-<span id="_CPPv3I0EN3fmt6styledERK1T10text_style"></span><span id="_CPPv2I0EN3fmt6styledERK1T10text_style"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="color_8h_1a5b813d1f62f762566cbdf3dfbfe19f9b"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">styled</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt6styledEN6detail10styled_argI14remove_cvref_tI1TEEERK1T10text_style" title="fmt::styled::T">T</a> &amp;<em>value</em>, text_style <em>ts</em><span class="sig-paren">)</span> -&gt; detail::styled_arg&lt;remove_cvref_t&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt6styledEN6detail10styled_argI14remove_cvref_tI1TEEERK1T10text_style" title="fmt::styled::T">T</a>&gt;&gt;<a class="headerlink" href="#_CPPv4I0EN3fmt6styledEN6detail10styled_argI14remove_cvref_tI1TEEERK1T10text_style" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Returns an argument that will be formatted using ANSI escape sequences,
-to be used in a formatting function.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Elapsed time: {0:.2f} seconds&quot;</span><span class="p">,</span><span class="w"></span>
-<span class="w">           </span><span class="n">fmt</span><span class="o">::</span><span class="n">styled</span><span class="p">(</span><span class="mf">1.23</span><span class="p">,</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">fg</span><span class="p">(</span><span class="n">fmt</span><span class="o">::</span><span class="n">color</span><span class="o">::</span><span class="n">green</span><span class="p">)</span><span class="w"> </span><span class="o">|</span><span class="w"></span>
-<span class="w">                             </span><span class="n">fmt</span><span class="o">::</span><span class="n">bg</span><span class="p">(</span><span class="n">fmt</span><span class="o">::</span><span class="n">color</span><span class="o">::</span><span class="n">blue</span><span class="p">)));</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="system-apis">
-<span id="os-api"></span><h2>System APIs<a class="headerlink" href="#system-apis" title="Permalink to this headline">¶</a></h2>
-<dl class="cpp class">
-<dt id="_CPPv4N3fmt7ostreamE">
-<span id="_CPPv3N3fmt7ostreamE"></span><span id="_CPPv2N3fmt7ostreamE"></span><span id="fmt::ostream"></span><span class="target" id="classfmt_1_1ostream"></span><em class="property">class </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">ostream</code> : <em class="property">private</em> fmt::detail::<a class="reference internal" href="#_CPPv4I0EN3fmt6detail6bufferE" title="fmt::detail::buffer">buffer</a>&lt;char&gt;<a class="headerlink" href="#_CPPv4N3fmt7ostreamE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>A fast output stream which is not thread-safe. </p>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Public Functions</p>
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt7ostream5printEv13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt7ostream5printE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt7ostream5printE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="classfmt_1_1ostream_1aeffd7c3e05f5178e689dd18e648704d5"></span>void <code class="sig-name descname">print</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt7ostream5printEv13format_stringIDp1TEDpRR1T" title="fmt::ostream::print::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt7ostream5printEv13format_stringIDp1TEDpRR1T" title="fmt::ostream::print::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt7ostream5printEv13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Formats <code class="docutils literal notranslate"><span class="pre">args</span></code> according to specifications in <code class="docutils literal notranslate"><span class="pre">fmt</span></code> and writes the output to the file. </p>
-</dd></dl>
-
-</div>
-<div class="breathe-sectiondef docutils container">
-<p class="breathe-sectiondef-title rubric">Friends</p>
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt7ostream11output_fileE7ostream12cstring_viewDp1T">
-<span id="_CPPv3IDpEN3fmt7ostream11output_fileE12cstring_viewDp1T"></span><span id="_CPPv2IDpEN3fmt7ostream11output_fileE12cstring_viewDp1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="classfmt_1_1ostream_1ae2b994bc71e34d2cfdcec7717985cb05"></span><a class="reference internal" href="#_CPPv4N3fmt7ostreamE" title="fmt::ostream">ostream</a> <code class="sig-name descname">output_file</code><span class="sig-paren">(</span>cstring_view <em>path</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt7ostream11output_fileE7ostream12cstring_viewDp1T" title="fmt::ostream::output_file::T">T</a>... <em>params</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt7ostream11output_fileE7ostream12cstring_viewDp1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Opens a file for writing. Supported parameters passed in <em>params</em>:</p>
-<ul class="simple">
-<li><p><code class="docutils literal notranslate"><span class="pre">&lt;integer&gt;</span></code>: Flags passed to <a class="reference external" href="https://pubs.opengroup.org/onlinepubs/007904875/functions/open.html">open</a>
-(<code class="docutils literal notranslate"><span class="pre">file::WRONLY</span> <span class="pre">|</span> <span class="pre">file::CREATE</span> <span class="pre">|</span> <span class="pre">file::TRUNC</span></code> by default)</p></li>
-<li><p><code class="docutils literal notranslate"><span class="pre">buffer_size=&lt;integer&gt;</span></code>: Output buffer size</p></li>
-</ul>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">output_file</span><span class="p">(</span><span class="s">&quot;guide.txt&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="n">out</span><span class="p">.</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Don&#39;t {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Panic&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</div>
-</dd></dl>
-
-</section>
-<section id="std-ostream-support">
-<span id="ostream-api"></span><h2><code class="docutils literal notranslate"><span class="pre">std::ostream</span></code> Support<a class="headerlink" href="#std-ostream-support" title="Permalink to this headline">¶</a></h2>
-<p><code class="docutils literal notranslate"><span class="pre">fmt/ostream.h</span></code> provides <code class="docutils literal notranslate"><span class="pre">std::ostream</span></code> support including formatting of
-user-defined types that have an overloaded insertion operator (<code class="docutils literal notranslate"><span class="pre">operator&lt;&lt;</span></code>).
-In order to make a type formattable via <code class="docutils literal notranslate"><span class="pre">std::ostream</span></code> you should provide a
-<code class="docutils literal notranslate"><span class="pre">formatter</span></code> specialization inherited from <code class="docutils literal notranslate"><span class="pre">ostream_formatter</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/ostream.h&gt;</span><span class="cp"></span>
-
-<span class="k">struct</span><span class="w"> </span><span class="nc">date</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="kt">int</span><span class="w"> </span><span class="n">year</span><span class="p">,</span><span class="w"> </span><span class="n">month</span><span class="p">,</span><span class="w"> </span><span class="n">day</span><span class="p">;</span><span class="w"></span>
-
-<span class="w">  </span><span class="k">friend</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&amp;</span><span class="w"> </span><span class="k">operator</span><span class="o">&lt;&lt;</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">ostream</span><span class="o">&amp;</span><span class="w"> </span><span class="n">os</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">date</span><span class="o">&amp;</span><span class="w"> </span><span class="n">d</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="n">os</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">d</span><span class="p">.</span><span class="n">year</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="sc">&#39;-&#39;</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">d</span><span class="p">.</span><span class="n">month</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="sc">&#39;-&#39;</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">d</span><span class="p">.</span><span class="n">day</span><span class="p">;</span><span class="w"></span>
-<span class="w">  </span><span class="p">}</span><span class="w"></span>
-<span class="p">};</span><span class="w"></span>
-
-<span class="k">template</span><span class="w"> </span><span class="o">&lt;&gt;</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="nc">fmt</span><span class="o">::</span><span class="n">formatter</span><span class="o">&lt;</span><span class="n">date</span><span class="o">&gt;</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">ostream_formatter</span><span class="w"> </span><span class="p">{};</span><span class="w"></span>
-
-<span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;The date is {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">date</span><span class="p">{</span><span class="mi">2012</span><span class="p">,</span><span class="w"> </span><span class="mi">12</span><span class="p">,</span><span class="w"> </span><span class="mi">9</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// s == &quot;The date is 2012-12-9&quot;</span>
-</pre></div>
-</div>
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt8streamedEN6detail13streamed_viewI1TEERK1T">
-<span id="_CPPv3I0EN3fmt8streamedERK1T"></span><span id="_CPPv2I0EN3fmt8streamedERK1T"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="ostream_8h_1a44fd703bec9e05e6ad83cdcb300d2b82"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">streamed</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt8streamedEN6detail13streamed_viewI1TEERK1T" title="fmt::streamed::T">T</a> &amp;<em>value</em><span class="sig-paren">)</span> -&gt; detail::streamed_view&lt;<a class="reference internal" href="#_CPPv4I0EN3fmt8streamedEN6detail13streamed_viewI1TEERK1T" title="fmt::streamed::T">T</a>&gt;<a class="headerlink" href="#_CPPv4I0EN3fmt8streamedEN6detail13streamed_viewI1TEERK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Returns a view that formats <a class="reference internal" href="#_CPPv4I0EN3fmt8streamedEN6detail13streamed_viewI1TEERK1T" title="fmt::streamed::value"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">value</span></code></a> via an ostream <code class="docutils literal notranslate"><span class="pre">operator&lt;&lt;</span></code>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Current thread id: {}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"></span>
-<span class="w">           </span><span class="n">fmt</span><span class="o">::</span><span class="n">streamed</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">this_thread</span><span class="o">::</span><span class="n">get_id</span><span class="p">()));</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4IDpEN3fmt5printEvRNSt7ostreamE13format_stringIDp1TEDpRR1T">
-<span id="_CPPv3IDpEN3fmt5printERNSt7ostreamE13format_stringIDp1TEDpRR1T"></span><span id="_CPPv2IDpEN3fmt5printERNSt7ostreamE13format_stringIDp1TEDpRR1T"></span>template&lt;typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="ostream_8h_1a091104cf24873dda703cb3a3202f25f5"></span>void <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvRNSt7ostreamE13format_stringIDp1TEDpRR1T" title="fmt::print::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">print</code><span class="sig-paren">(</span>std::ostream &amp;<em>os</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt13format_stringE" title="fmt::format_string">format_string</a>&lt;<a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvRNSt7ostreamE13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>...&gt; <em>fmt</em>, <a class="reference internal" href="#_CPPv4IDpEN3fmt5printEvRNSt7ostreamE13format_stringIDp1TEDpRR1T" title="fmt::print::T">T</a>&amp;&amp;... <em>args</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4IDpEN3fmt5printEvRNSt7ostreamE13format_stringIDp1TEDpRR1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Prints formatted data to the stream <em>os</em>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="n">cerr</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Don&#39;t {}!&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;panic&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="printf-formatting">
-<span id="printf-api"></span><h2><code class="docutils literal notranslate"><span class="pre">printf</span></code> Formatting<a class="headerlink" href="#printf-formatting" title="Permalink to this headline">¶</a></h2>
-<p>The header <code class="docutils literal notranslate"><span class="pre">fmt/printf.h</span></code> provides <code class="docutils literal notranslate"><span class="pre">printf</span></code>-like formatting functionality.
-The following functions use <a class="reference external" href="https://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html">printf format string syntax</a> with
-the POSIX extension for positional arguments. Unlike their standard
-counterparts, the <code class="docutils literal notranslate"><span class="pre">fmt</span></code> functions are type-safe and throw an exception if an
-argument type doesn’t match its format specification.</p>
-<dl class="cpp function">
-<dt id="_CPPv4I0DpEN3fmt6printfEiRK1SDpRK1T">
-<span id="_CPPv3I0DpEN3fmt6printfERK1SDpRK1T"></span><span id="_CPPv2I0DpEN3fmt6printfERK1SDpRK1T"></span>template&lt;typename <code class="sig-name descname">S</code>, typename ...<code class="sig-name descname">T</code>&gt;<br /><span class="target" id="printf_8h_1ae86f703f0ba1a668b29d86bb5d31b64c"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4I0DpEN3fmt6printfEiRK1SDpRK1T" title="fmt::printf::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">printf</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0DpEN3fmt6printfEiRK1SDpRK1T" title="fmt::printf::S">S</a> &amp;<em>fmt</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0DpEN3fmt6printfEiRK1SDpRK1T" title="fmt::printf::T">T</a>&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; int<a class="headerlink" href="#_CPPv4I0DpEN3fmt6printfEiRK1SDpRK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Prints formatted data to <code class="docutils literal notranslate"><span class="pre">stdout</span></code>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">printf</span><span class="p">(</span><span class="s">&quot;Elapsed time: %.2f seconds&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">1.23</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T">
-<span id="_CPPv3I0Dp0EN3fmt7fprintfEPNSt4FILEERK1SDpRK1T"></span><span id="_CPPv2I0Dp0EN3fmt7fprintfEPNSt4FILEERK1SDpRK1T"></span>template&lt;typename <code class="sig-name descname">S</code>, typename ...<code class="sig-name descname">T</code>, typename <code class="sig-name descname">Char</code> = char_t&lt;<a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T" title="fmt::fprintf::S">S</a>&gt;&gt;<br /><span class="target" id="printf_8h_1a4f91e0cd05d87b5d3d3b77eee1a7d07a"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T" title="fmt::fprintf::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">fprintf</code><span class="sig-paren">(</span>std::FILE *<em>f</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T" title="fmt::fprintf::S">S</a> &amp;<em>fmt</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T" title="fmt::fprintf::T">T</a>&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; int<a class="headerlink" href="#_CPPv4I0Dp0EN3fmt7fprintfEiPNSt4FILEERK1SDpRK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Prints formatted data to the file <em>f</em>.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Don&#39;t %s!&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;panic&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T">
-<span id="_CPPv3I0Dp0EN3fmt7sprintfERK1SDpRK1T"></span><span id="_CPPv2I0Dp0EN3fmt7sprintfERK1SDpRK1T"></span>template&lt;typename <code class="sig-name descname">S</code>, typename ...<code class="sig-name descname">T</code>, typename <code class="sig-name descname">Char</code> = enable_if_t&lt;detail::is_string&lt;<a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::S">S</a>&gt;::value, char_t&lt;<a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::S">S</a>&gt;&gt;&gt;<br /><span class="target" id="printf_8h_1ad69b8f4ce3c9f39b062943851ce42626"></span>auto <code class="sig-prename descclassname"><a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::fmt">fmt</a><code class="sig-prename descclassname">::</code></code><code class="sig-name descname">sprintf</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::S">S</a> &amp;<em>fmt</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::T">T</a>&amp;... <em>args</em><span class="sig-paren">)</span> -&gt; std::basic_string&lt;<a class="reference internal" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="fmt::sprintf::Char">Char</a>&gt;<a class="headerlink" href="#_CPPv4I0Dp0EN3fmt7sprintfENSt12basic_stringI4CharEERK1SDpRK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p><p><p>Formats arguments and returns the result as a string.</p>
-<p><strong>Example</strong>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">message</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">sprintf</span><span class="p">(</span><span class="s">&quot;The answer is %d&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</p>
- </p>
-</dd></dl>
-
-</section>
-<section id="wchar-t-support">
-<span id="xchar-api"></span><h2><code class="docutils literal notranslate"><span class="pre">wchar_t</span></code> Support<a class="headerlink" href="#wchar-t-support" title="Permalink to this headline">¶</a></h2>
-<p>The optional header <code class="docutils literal notranslate"><span class="pre">fmt/xchar.h</span></code> provides support for <code class="docutils literal notranslate"><span class="pre">wchar_t</span></code> and exotic
-character types.</p>
-<dl class="cpp struct">
-<dt id="_CPPv4I0EN3fmt7is_charE">
-<span id="_CPPv3I0EN3fmt7is_charE"></span><span id="_CPPv2I0EN3fmt7is_charE"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="structfmt_1_1is__char"></span><em class="property">struct </em><code class="sig-name descname">is_char</code> : <em class="property">public</em> std::false_type<a class="headerlink" href="#_CPPv4I0EN3fmt7is_charE" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Specifies if <code class="docutils literal notranslate"><span class="pre">T</span></code> is a character type. </p>
-<p>Can be specialized by users. </p>
-</dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt12wstring_viewE">
-<span id="_CPPv3N3fmt12wstring_viewE"></span><span id="_CPPv2N3fmt12wstring_viewE"></span><span class="target" id="xchar_8h_1a9e27d5144b365f9f9028f921213a1113"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">wstring_view</code> = <a class="reference internal" href="#_CPPv4I0EN3fmt17basic_string_viewE" title="fmt::basic_string_view">basic_string_view</a>&lt;wchar_t&gt;<a class="headerlink" href="#_CPPv4N3fmt12wstring_viewE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp type">
-<dt id="_CPPv4N3fmt15wformat_contextE">
-<span id="_CPPv3N3fmt15wformat_contextE"></span><span id="_CPPv2N3fmt15wformat_contextE"></span><span class="target" id="xchar_8h_1ad5fc003f598c0fbc5751d4f9882b5070"></span><em class="property">using </em><code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">wformat_context</code> = buffer_context&lt;wchar_t&gt;<a class="headerlink" href="#_CPPv4N3fmt15wformat_contextE" title="Permalink to this definition">¶</a><br /></dt>
-<dd></dd></dl>
-
-<dl class="cpp function">
-<dt id="_CPPv4I0EN3fmt10to_wstringENSt7wstringERK1T">
-<span id="_CPPv3I0EN3fmt10to_wstringERK1T"></span><span id="_CPPv2I0EN3fmt10to_wstringERK1T"></span>template&lt;typename <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="xchar_8h_1a97485c79bd9998f452c6aec356f13930"></span>auto <code class="sig-prename descclassname">fmt<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">to_wstring</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN3fmt10to_wstringENSt7wstringERK1T" title="fmt::to_wstring::T">T</a> &amp;<em>value</em><span class="sig-paren">)</span> -&gt; std::wstring<a class="headerlink" href="#_CPPv4I0EN3fmt10to_wstringENSt7wstringERK1T" title="Permalink to this definition">¶</a><br /></dt>
-<dd><p>Converts <em>value</em> to <code class="docutils literal notranslate"><span class="pre">std::wstring</span></code> using the default format for type <em>T</em>. </p>
-</dd></dl>
-
-</section>
-<section id="compatibility-with-c-20-std-format">
-<h2>Compatibility with C++20 <code class="docutils literal notranslate"><span class="pre">std::format</span></code><a class="headerlink" href="#compatibility-with-c-20-std-format" title="Permalink to this headline">¶</a></h2>
-<p>{fmt} implements nearly all of the <a class="reference external" href="https://en.cppreference.com/w/cpp/utility/format">C++20 formatting library</a> with the following
-differences:</p>
-<ul class="simple">
-<li><p>Names are defined in the <code class="docutils literal notranslate"><span class="pre">fmt</span></code> namespace instead of <code class="docutils literal notranslate"><span class="pre">std</span></code> to avoid
-collisions with standard library implementations.</p></li>
-<li><p>Width calculation doesn’t use grapheme clusterization. The latter has been
-implemented in a separate branch but hasn’t been integrated yet.</p></li>
-<li><p>Most C++20 chrono types are not supported yet.</p></li>
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-      <li><a href="api.html#_CPPv4I0EN3fmt6styledEN6detail10styled_argI14remove_cvref_tI1TEEERK1T10text_style">fmt::styled (C++ function)</a>
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-      <li><a href="api.html#_CPPv4I0EN3fmt9to_stringENSt6stringERK1T">fmt::to_string (C++ function)</a>
-</li>
-      <li><a href="api.html#_CPPv4I0EN3fmt10to_wstringENSt7wstringERK1T">fmt::to_wstring (C++ function)</a>
-</li>
-      <li><a href="api.html#_CPPv4I0EN3fmt10underlyingE12underlying_tI4EnumE4Enum">fmt::underlying (C++ function)</a>
-</li>
-      <li><a href="api.html#_CPPv4N3fmt7vformatE11string_view11format_args">fmt::vformat (C++ function)</a>
-</li>
-      <li><a href="api.html#_CPPv4N3fmt6vprintE11string_view11format_args">fmt::vprint (C++ function)</a>, <a href="api.html#_CPPv4N3fmt6vprintEPNSt4FILEE11string_view11format_args">[1]</a>
-</li>
-      <li><a href="api.html#_CPPv4N3fmt15wformat_contextE">fmt::wformat_context (C++ type)</a>
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-</li>
-      <li><a href="api.html#c.FMT_COMPILE">FMT_COMPILE (C macro)</a>
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-      <li><a href="api.html#c.FMT_STRING">FMT_STRING (C macro)</a>
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-    <h1>{fmt}</h1>
-    <p class="lead">A modern formatting library</p>
-    <div class="btn-group" role="group">
-      
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-         href="https://github.com/fmtlib/fmt/releases/download/9.1.0/fmt-9.1.0.zip">
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-        data-toggle="dropdown"><span class="caret"></span></button>
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-      
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-        <li><a href="https://github.com/fmtlib/fmt/releases/download/9.1.0/fmt-9.1.0.zip">Version 9.1.0
-          </a></li>
-      
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-        <li><a href="https://github.com/fmtlib/fmt/releases/download/9.0.0/fmt-9.0.0.zip">Version 9.0.0
-          </a></li>
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-    
-
-    <div class="content">
-      
-  <section id="overview">
-<h1>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h1>
-<p><strong>{fmt}</strong> is an open-source formatting library providing a fast and safe
-alternative to C stdio and C++ iostreams.</p>
-<div class="panel panel-default">
-  <div class="panel-heading">What users say:</div>
-  <div class="panel-body">
-    Thanks for creating this library. It’s been a hole in C++ for
-    a long time. I’ve used both <code>boost::format</code> and
-    <code>loki::SPrintf</code>, and neither felt like the right answer.
-    This does.
-  </div>
-</div><section id="format-api">
-<span id="format-api-intro"></span><h2>Format API<a class="headerlink" href="#format-api" title="Permalink to this headline">¶</a></h2>
-<p>The format API is similar in spirit to the C <code class="docutils literal notranslate"><span class="pre">printf</span></code> family of function but
-is safer, simpler and several times <a class="reference external" href="https://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html">faster</a>
-than common standard library implementations.
-The <a class="reference external" href="syntax.html">format string syntax</a> is similar to the one used by
-<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str.format">str.format</a> in
-Python:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;The answer is {}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>The <code class="docutils literal notranslate"><span class="pre">fmt::format</span></code> function returns a string “The answer is 42.”. You can use
-<code class="docutils literal notranslate"><span class="pre">fmt::memory_buffer</span></code> to avoid constructing <code class="docutils literal notranslate"><span class="pre">std::string</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">out</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">memory_buffer</span><span class="p">();</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format_to</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">back_inserter</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"></span>
-<span class="w">          </span><span class="s">&quot;For a moment, {} happened.&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;nothing&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="k">auto</span><span class="w"> </span><span class="n">data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">out</span><span class="p">.</span><span class="n">data</span><span class="p">();</span><span class="w"> </span><span class="c1">// pointer to the formatted data</span>
-<span class="k">auto</span><span class="w"> </span><span class="n">size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">out</span><span class="p">.</span><span class="n">size</span><span class="p">();</span><span class="w"> </span><span class="c1">// size of the formatted data</span>
-</pre></div>
-</div>
-<p>The <code class="docutils literal notranslate"><span class="pre">fmt::print</span></code> function performs formatting and writes the result to a stream:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;System error code = {}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">errno</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>If you omit the file argument the function will print to <code class="docutils literal notranslate"><span class="pre">stdout</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Don&#39;t {}</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;panic&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>The format API also supports positional arguments useful for localization:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;I&#39;d rather be {1} than {0}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;right&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;happy&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>You can pass named arguments with <code class="docutils literal notranslate"><span class="pre">fmt::arg</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Hello, {name}! The answer is {number}. Goodbye, {name}.&quot;</span><span class="p">,</span><span class="w"></span>
-<span class="w">           </span><span class="n">fmt</span><span class="o">::</span><span class="n">arg</span><span class="p">(</span><span class="s">&quot;name&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;World&quot;</span><span class="p">),</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">arg</span><span class="p">(</span><span class="s">&quot;number&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">));</span><span class="w"></span>
-</pre></div>
-</div>
-<p>If your compiler supports C++11 user-defined literals, the suffix <code class="docutils literal notranslate"><span class="pre">_a</span></code> offers
-an alternative, slightly terser syntax for named arguments:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">using</span><span class="w"> </span><span class="k">namespace</span><span class="w"> </span><span class="nn">fmt</span><span class="o">::</span><span class="nn">literals</span><span class="p">;</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;Hello, {name}! The answer is {number}. Goodbye, {name}.&quot;</span><span class="p">,</span><span class="w"></span>
-<span class="w">           </span><span class="s">&quot;name&quot;</span><span class="n">_a</span><span class="o">=</span><span class="s">&quot;World&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;number&quot;</span><span class="n">_a</span><span class="o">=</span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="safety">
-<span id="id1"></span><h2>Safety<a class="headerlink" href="#safety" title="Permalink to this headline">¶</a></h2>
-<p>The library is fully type safe, automatic memory management prevents buffer
-overflow, errors in format strings are reported using exceptions or at compile
-time. For example, the code</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;The answer is {:d}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;forty-two&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>throws the <code class="docutils literal notranslate"><span class="pre">format_error</span></code> exception because the argument <code class="docutils literal notranslate"><span class="pre">&quot;forty-two&quot;</span></code> is a
-string while the format code <code class="docutils literal notranslate"><span class="pre">d</span></code> only applies to integers.</p>
-<p>The code</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">format</span><span class="p">(</span><span class="n">FMT_STRING</span><span class="p">(</span><span class="s">&quot;The answer is {:d}&quot;</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;forty-two&quot;</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>reports a compile-time error on compilers that support relaxed <code class="docutils literal notranslate"><span class="pre">constexpr</span></code>.
-See <a class="reference external" href="api.html#compile-time-format-string-checks">here</a> for details.</p>
-<p>The following code</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span>fmt::format(&quot;Cyrillic letter {}&quot;, L&#39;\x42e&#39;);
-</pre></div>
-</div>
-<p>produces a compile-time error because wide character <code class="docutils literal notranslate"><span class="pre">L'\x42e'</span></code> cannot be
-formatted into a narrow string. For comparison, writing a wide character to
-<code class="docutils literal notranslate"><span class="pre">std::ostream</span></code> results in its numeric value being written to the stream
-(i.e. 1070 instead of letter ‘ю’ which is represented by <code class="docutils literal notranslate"><span class="pre">L'\x42e'</span></code> if we
-use Unicode) which is rarely desirable.</p>
-</section>
-<section id="compact-binary-code">
-<h2>Compact Binary Code<a class="headerlink" href="#compact-binary-code" title="Permalink to this headline">¶</a></h2>
-<p>The library produces compact per-call compiled code. For example
-(<a class="reference external" href="https://godbolt.org/g/TZU4KF">godbolt</a>),</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/core.h&gt;</span><span class="cp"></span>
-
-<span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
-<span class="w">  </span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;The answer is {}.&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-<span class="p">}</span><span class="w"></span>
-</pre></div>
-</div>
-<p>compiles to just</p>
-<div class="highlight-asm notranslate"><div class="highlight"><pre><span></span>main: # @main
-  sub rsp, 24
-  mov qword ptr [rsp], 42
-  mov rcx, rsp
-  mov edi, offset .L.str
-  mov esi, 17
-  mov edx, 1
-  call fmt::v7::vprint(fmt::v7::basic_string_view&lt;char&gt;, fmt::v7::format_args)
-  xor eax, eax
-  add rsp, 24
-  ret
-.L.str:
-  .asciz &quot;The answer is {}.&quot;
-</pre></div>
-</div>
-</section>
-<section id="portability">
-<span id="id2"></span><h2>Portability<a class="headerlink" href="#portability" title="Permalink to this headline">¶</a></h2>
-<p>The library is highly portable and relies only on a small set of C++11 features:</p>
-<ul class="simple">
-<li><p>variadic templates</p></li>
-<li><p>type traits</p></li>
-<li><p>rvalue references</p></li>
-<li><p>decltype</p></li>
-<li><p>trailing return types</p></li>
-<li><p>deleted functions</p></li>
-<li><p>alias templates</p></li>
-</ul>
-<p>These are available in GCC 4.8, Clang 3.4, MSVC 19.0 (2015) and more recent
-compiler version. For older compilers use {fmt} <a class="reference external" href="https://github.com/fmtlib/fmt/releases/tag/4.1.0">version 4.x</a> which is maintained and
-only requires C++98.</p>
-<p>The output of all formatting functions is consistent across platforms.
-For example,</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">numeric_limits</span><span class="o">&lt;</span><span class="kt">double</span><span class="o">&gt;::</span><span class="n">infinity</span><span class="p">());</span><span class="w"></span>
-</pre></div>
-</div>
-<p>always prints <code class="docutils literal notranslate"><span class="pre">inf</span></code> while the output of <code class="docutils literal notranslate"><span class="pre">printf</span></code> is platform-dependent.</p>
-</section>
-<section id="ease-of-use">
-<span id="id3"></span><h2>Ease of Use<a class="headerlink" href="#ease-of-use" title="Permalink to this headline">¶</a></h2>
-<p>{fmt} has a small self-contained code base with the core library consisting of
-just three header files and no external dependencies.
-A permissive MIT <a class="reference external" href="https://github.com/fmtlib/fmt#license">license</a> allows
-using the library both in open-source and commercial projects.</p>
-<p><a class="reference external" href="contents.html">Learn more…</a></p>
-<a class="btn btn-success" href="https://github.com/fmtlib/fmt">GitHub Repository</a>
-
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-  <iframe src="https://ghbtns.com/github-btn.html?user=fmtlib&amp;repo=fmt&amp;type=watch&amp;count=true"
-          class="github-btn" width="100" height="20"></iframe>
-</div></section>
-</section>
-
-
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-  </div>
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-        &copy; Copyright 2012-present, Victor Zverovich.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 3.3.0.
-    </div>
-
-<script src="_static/bootstrap.min.js"></script>
-
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-</html>
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diff --git a/third_party/fmt-9.1.0/doc/html/searchindex.js b/third_party/fmt-9.1.0/doc/html/searchindex.js
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-  <section id="format-string-syntax">
-<span id="syntax"></span><h1>Format String Syntax<a class="headerlink" href="#format-string-syntax" title="Permalink to this headline">¶</a></h1>
-<p>Formatting functions such as <a class="reference internal" href="api.html#format"><span class="std std-ref">fmt::format()</span></a> and
-<a class="reference internal" href="api.html#print"><span class="std std-ref">fmt::print()</span></a> use the same format string syntax described in this
-section.</p>
-<p>Format strings contain “replacement fields” surrounded by curly braces <code class="docutils literal notranslate"><span class="pre">{}</span></code>.
-Anything that is not contained in braces is considered literal text, which is
-copied unchanged to the output.  If you need to include a brace character in the
-literal text, it can be escaped by doubling: <code class="docutils literal notranslate"><span class="pre">{{</span></code> and <code class="docutils literal notranslate"><span class="pre">}}</span></code>.</p>
-<p>The grammar for a replacement field is as follows:</p>
-<pre>
-<strong id="grammar-token-sf-replacement_field"><span id="grammar-token-replacement-field"></span>replacement_field</strong> ::=  &quot;{&quot; [<a class="reference internal" href="#grammar-token-sf-arg_id"><code class="xref docutils literal notranslate"><span class="pre">arg_id</span></code></a>] [&quot;:&quot; (<a class="reference internal" href="#grammar-token-sf-format_spec"><code class="xref docutils literal notranslate"><span class="pre">format_spec</span></code></a> | <a class="reference internal" href="#grammar-token-sf-chrono_format_spec"><code class="xref docutils literal notranslate"><span class="pre">chrono_format_spec</span></code></a>)] &quot;}&quot;
-<strong id="grammar-token-sf-arg_id"><span id="grammar-token-arg-id"></span>arg_id           </strong> ::=  <a class="reference internal" href="#grammar-token-sf-integer"><code class="xref docutils literal notranslate"><span class="pre">integer</span></code></a> | <a class="reference internal" href="#grammar-token-sf-identifier"><code class="xref docutils literal notranslate"><span class="pre">identifier</span></code></a>
-<strong id="grammar-token-sf-integer"><span id="grammar-token-integer"></span>integer          </strong> ::=  <a class="reference internal" href="#grammar-token-sf-digit"><code class="xref docutils literal notranslate"><span class="pre">digit</span></code></a>+
-<strong id="grammar-token-sf-digit"><span id="grammar-token-digit"></span>digit            </strong> ::=  &quot;0&quot;...&quot;9&quot;
-<strong id="grammar-token-sf-identifier"><span id="grammar-token-identifier"></span>identifier       </strong> ::=  <a class="reference internal" href="#grammar-token-sf-id_start"><code class="xref docutils literal notranslate"><span class="pre">id_start</span></code></a> <a class="reference internal" href="#grammar-token-sf-id_continue"><code class="xref docutils literal notranslate"><span class="pre">id_continue</span></code></a>*
-<strong id="grammar-token-sf-id_start"><span id="grammar-token-id-start"></span>id_start         </strong> ::=  &quot;a&quot;...&quot;z&quot; | &quot;A&quot;...&quot;Z&quot; | &quot;_&quot;
-<strong id="grammar-token-sf-id_continue"><span id="grammar-token-id-continue"></span>id_continue      </strong> ::=  <a class="reference internal" href="#grammar-token-sf-id_start"><code class="xref docutils literal notranslate"><span class="pre">id_start</span></code></a> | <a class="reference internal" href="#grammar-token-sf-digit"><code class="xref docutils literal notranslate"><span class="pre">digit</span></code></a>
-</pre>
-<p>In less formal terms, the replacement field can start with an <em>arg_id</em>
-that specifies the argument whose value is to be formatted and inserted into
-the output instead of the replacement field.
-The <em>arg_id</em> is optionally followed by a <em>format_spec</em>, which is preceded by a
-colon <code class="docutils literal notranslate"><span class="pre">':'</span></code>.  These specify a non-default format for the replacement value.</p>
-<p>See also the <a class="reference internal" href="#formatspec"><span class="std std-ref">Format Specification Mini-Language</span></a> section.</p>
-<p>If the numerical arg_ids in a format string are 0, 1, 2, … in sequence,
-they can all be omitted (not just some) and the numbers 0, 1, 2, … will be
-automatically inserted in that order.</p>
-<p>Named arguments can be referred to by their names or indices.</p>
-<p>Some simple format string examples:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="s">&quot;First, thou shalt count to {0}&quot;</span><span class="w"> </span><span class="c1">// References the first argument</span>
-<span class="s">&quot;Bring me a {}&quot;</span><span class="w">                  </span><span class="c1">// Implicitly references the first argument</span>
-<span class="s">&quot;From {} to {}&quot;</span><span class="w">                  </span><span class="c1">// Same as &quot;From {0} to {1}&quot;</span>
-</pre></div>
-</div>
-<p>The <em>format_spec</em> field contains a specification of how the value should be
-presented, including such details as field width, alignment, padding, decimal
-precision and so on.  Each value type can define its own “formatting
-mini-language” or interpretation of the <em>format_spec</em>.</p>
-<p>Most built-in types support a common formatting mini-language, which is
-described in the next section.</p>
-<p>A <em>format_spec</em> field can also include nested replacement fields in certain
-positions within it. These nested replacement fields can contain only an
-argument id; format specifications are not allowed. This allows the formatting
-of a value to be dynamically specified.</p>
-<p>See the <a class="reference internal" href="#formatexamples"><span class="std std-ref">Format Examples</span></a> section for some examples.</p>
-<section id="format-specification-mini-language">
-<span id="formatspec"></span><h2>Format Specification Mini-Language<a class="headerlink" href="#format-specification-mini-language" title="Permalink to this headline">¶</a></h2>
-<p>“Format specifications” are used within replacement fields contained within a
-format string to define how individual values are presented (see
-<a class="reference internal" href="#syntax"><span class="std std-ref">Format String Syntax</span></a>).  Each formattable type may define how the format
-specification is to be interpreted.</p>
-<p>Most built-in types implement the following options for format specifications,
-although some of the formatting options are only supported by the numeric types.</p>
-<p>The general form of a <em>standard format specifier</em> is:</p>
-<pre>
-<strong id="grammar-token-sf-format_spec"><span id="grammar-token-format-spec"></span>format_spec</strong> ::=  [[<a class="reference internal" href="#grammar-token-sf-fill"><code class="xref docutils literal notranslate"><span class="pre">fill</span></code></a>]<a class="reference internal" href="#grammar-token-sf-align"><code class="xref docutils literal notranslate"><span class="pre">align</span></code></a>][<a class="reference internal" href="#grammar-token-sf-sign"><code class="xref docutils literal notranslate"><span class="pre">sign</span></code></a>][&quot;#&quot;][&quot;0&quot;][<a class="reference internal" href="#grammar-token-sf-width"><code class="xref docutils literal notranslate"><span class="pre">width</span></code></a>][&quot;.&quot; <a class="reference internal" href="#grammar-token-sf-precision"><code class="xref docutils literal notranslate"><span class="pre">precision</span></code></a>][&quot;L&quot;][<a class="reference internal" href="#grammar-token-sf-type"><code class="xref docutils literal notranslate"><span class="pre">type</span></code></a>]
-<strong id="grammar-token-sf-fill"><span id="grammar-token-fill"></span>fill       </strong> ::=  &lt;a character other than '{' or '}'&gt;
-<strong id="grammar-token-sf-align"><span id="grammar-token-align"></span>align      </strong> ::=  &quot;&lt;&quot; | &quot;&gt;&quot; | &quot;^&quot;
-<strong id="grammar-token-sf-sign"><span id="grammar-token-sign"></span>sign       </strong> ::=  &quot;+&quot; | &quot;-&quot; | &quot; &quot;
-<strong id="grammar-token-sf-width"><span id="grammar-token-width"></span>width      </strong> ::=  <a class="reference internal" href="#grammar-token-sf-integer"><code class="xref docutils literal notranslate"><span class="pre">integer</span></code></a> | &quot;{&quot; [<a class="reference internal" href="#grammar-token-sf-arg_id"><code class="xref docutils literal notranslate"><span class="pre">arg_id</span></code></a>] &quot;}&quot;
-<strong id="grammar-token-sf-precision"><span id="grammar-token-precision"></span>precision  </strong> ::=  <a class="reference internal" href="#grammar-token-sf-integer"><code class="xref docutils literal notranslate"><span class="pre">integer</span></code></a> | &quot;{&quot; [<a class="reference internal" href="#grammar-token-sf-arg_id"><code class="xref docutils literal notranslate"><span class="pre">arg_id</span></code></a>] &quot;}&quot;
-<strong id="grammar-token-sf-type"><span id="grammar-token-type"></span>type       </strong> ::=  &quot;a&quot; | &quot;A&quot; | &quot;b&quot; | &quot;B&quot; | &quot;c&quot; | &quot;d&quot; | &quot;e&quot; | &quot;E&quot; | &quot;f&quot; | &quot;F&quot; | &quot;g&quot; | &quot;G&quot; |
-                 &quot;o&quot; | &quot;p&quot; | &quot;s&quot; | &quot;x&quot; | &quot;X&quot;
-</pre>
-<p>The <em>fill</em> character can be any Unicode code point other than <code class="docutils literal notranslate"><span class="pre">'{'</span></code> or
-<code class="docutils literal notranslate"><span class="pre">'}'</span></code>. The presence of a fill character is signaled by the character following
-it, which must be one of the alignment options. If the second character of
-<em>format_spec</em> is not a valid alignment option, then it is assumed that both the
-fill character and the alignment option are absent.</p>
-<p>The meaning of the various alignment options is as follows:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Option</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'&lt;'</span></code></p></td>
-<td><p>Forces the field to be left-aligned within the available
-space (this is the default for most objects).</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'&gt;'</span></code></p></td>
-<td><p>Forces the field to be right-aligned within the
-available space (this is the default for numbers).</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'^'</span></code></p></td>
-<td><p>Forces the field to be centered within the available
-space.</p></td>
-</tr>
-</tbody>
-</table>
-<p>Note that unless a minimum field width is defined, the field width will always
-be the same size as the data to fill it, so that the alignment option has no
-meaning in this case.</p>
-<p>The <em>sign</em> option is only valid for number types, and can be one of the
-following:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Option</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'+'</span></code></p></td>
-<td><p>indicates that a sign should be used for both
-nonnegative as well as negative numbers.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'-'</span></code></p></td>
-<td><p>indicates that a sign should be used only for negative
-numbers (this is the default behavior).</p></td>
-</tr>
-<tr class="row-even"><td><p>space</p></td>
-<td><p>indicates that a leading space should be used on
-nonnegative numbers, and a minus sign on negative numbers.</p></td>
-</tr>
-</tbody>
-</table>
-<p>The <code class="docutils literal notranslate"><span class="pre">'#'</span></code> option causes the “alternate form” to be used for the
-conversion.  The alternate form is defined differently for different
-types.  This option is only valid for integer and floating-point types.
-For integers, when binary, octal, or hexadecimal output is used, this
-option adds the prefix respective <code class="docutils literal notranslate"><span class="pre">&quot;0b&quot;</span></code> (<code class="docutils literal notranslate"><span class="pre">&quot;0B&quot;</span></code>), <code class="docutils literal notranslate"><span class="pre">&quot;0&quot;</span></code>, or
-<code class="docutils literal notranslate"><span class="pre">&quot;0x&quot;</span></code> (<code class="docutils literal notranslate"><span class="pre">&quot;0X&quot;</span></code>) to the output value.  Whether the prefix is
-lower-case or upper-case is determined by the case of the type
-specifier, for example, the prefix <code class="docutils literal notranslate"><span class="pre">&quot;0x&quot;</span></code> is used for the type <code class="docutils literal notranslate"><span class="pre">'x'</span></code>
-and <code class="docutils literal notranslate"><span class="pre">&quot;0X&quot;</span></code> is used for <code class="docutils literal notranslate"><span class="pre">'X'</span></code>.  For floating-point numbers the
-alternate form causes the result of the conversion to always contain a
-decimal-point character, even if no digits follow it. Normally, a
-decimal-point character appears in the result of these conversions
-only if a digit follows it. In addition, for <code class="docutils literal notranslate"><span class="pre">'g'</span></code> and <code class="docutils literal notranslate"><span class="pre">'G'</span></code>
-conversions, trailing zeros are not removed from the result.</p>
-<p><em>width</em> is a decimal integer defining the minimum field width.  If not
-specified, then the field width will be determined by the content.</p>
-<p>Preceding the <em>width</em> field by a zero (<code class="docutils literal notranslate"><span class="pre">'0'</span></code>) character enables sign-aware
-zero-padding for numeric types. It forces the padding to be placed after the
-sign or base (if any) but before the digits. This is used for printing fields in
-the form ‘+000000120’. This option is only valid for numeric types and it has no
-effect on formatting of infinity and NaN.</p>
-<p>The <em>precision</em> is a decimal number indicating how many digits should be
-displayed after the decimal point for a floating-point value formatted with
-<code class="docutils literal notranslate"><span class="pre">'f'</span></code> and <code class="docutils literal notranslate"><span class="pre">'F'</span></code>, or before and after the decimal point for a floating-point
-value formatted with <code class="docutils literal notranslate"><span class="pre">'g'</span></code> or <code class="docutils literal notranslate"><span class="pre">'G'</span></code>.  For non-number types the field
-indicates the maximum field size - in other words, how many characters will be
-used from the field content. The <em>precision</em> is not allowed for integer,
-character, Boolean, and pointer values. Note that a C string must be
-null-terminated even if precision is specified.</p>
-<p>The <code class="docutils literal notranslate"><span class="pre">'L'</span></code> option uses the current locale setting to insert the appropriate
-number separator characters. This option is only valid for numeric types.</p>
-<p>Finally, the <em>type</em> determines how the data should be presented.</p>
-<p>The available string presentation types are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'s'</span></code></p></td>
-<td><p>String format. This is the default type for strings and
-may be omitted.</p></td>
-</tr>
-<tr class="row-odd"><td><p>none</p></td>
-<td><p>The same as <code class="docutils literal notranslate"><span class="pre">'s'</span></code>.</p></td>
-</tr>
-</tbody>
-</table>
-<p>The available character presentation types are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'c'</span></code></p></td>
-<td><p>Character format. This is the default type for
-characters and may be omitted.</p></td>
-</tr>
-<tr class="row-odd"><td><p>none</p></td>
-<td><p>The same as <code class="docutils literal notranslate"><span class="pre">'c'</span></code>.</p></td>
-</tr>
-</tbody>
-</table>
-<p>The available integer presentation types are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'b'</span></code></p></td>
-<td><p>Binary format. Outputs the number in base 2. Using the
-<code class="docutils literal notranslate"><span class="pre">'#'</span></code> option with this type adds the prefix <code class="docutils literal notranslate"><span class="pre">&quot;0b&quot;</span></code>
-to the output value.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'B'</span></code></p></td>
-<td><p>Binary format. Outputs the number in base 2. Using the
-<code class="docutils literal notranslate"><span class="pre">'#'</span></code> option with this type adds the prefix <code class="docutils literal notranslate"><span class="pre">&quot;0B&quot;</span></code>
-to the output value.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'c'</span></code></p></td>
-<td><p>Character format. Outputs the number as a character.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'d'</span></code></p></td>
-<td><p>Decimal integer. Outputs the number in base 10.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'o'</span></code></p></td>
-<td><p>Octal format. Outputs the number in base 8.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'x'</span></code></p></td>
-<td><p>Hex format. Outputs the number in base 16, using
-lower-case letters for the digits above 9. Using the
-<code class="docutils literal notranslate"><span class="pre">'#'</span></code> option with this type adds the prefix <code class="docutils literal notranslate"><span class="pre">&quot;0x&quot;</span></code>
-to the output value.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'X'</span></code></p></td>
-<td><p>Hex format. Outputs the number in base 16, using
-upper-case letters for the digits above 9. Using the
-<code class="docutils literal notranslate"><span class="pre">'#'</span></code> option with this type adds the prefix <code class="docutils literal notranslate"><span class="pre">&quot;0X&quot;</span></code>
-to the output value.</p></td>
-</tr>
-<tr class="row-odd"><td><p>none</p></td>
-<td><p>The same as <code class="docutils literal notranslate"><span class="pre">'d'</span></code>.</p></td>
-</tr>
-</tbody>
-</table>
-<p>Integer presentation types can also be used with character and Boolean values.
-Boolean values are formatted using textual representation, either <code class="docutils literal notranslate"><span class="pre">true</span></code> or
-<code class="docutils literal notranslate"><span class="pre">false</span></code>, if the presentation type is not specified.</p>
-<p>The available presentation types for floating-point values are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'a'</span></code></p></td>
-<td><p>Hexadecimal floating point format. Prints the number in
-base 16 with prefix <code class="docutils literal notranslate"><span class="pre">&quot;0x&quot;</span></code> and lower-case letters for
-digits above 9. Uses <code class="docutils literal notranslate"><span class="pre">'p'</span></code> to indicate the exponent.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'A'</span></code></p></td>
-<td><p>Same as <code class="docutils literal notranslate"><span class="pre">'a'</span></code> except it uses upper-case letters for
-the prefix, digits above 9 and to indicate the exponent.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'e'</span></code></p></td>
-<td><p>Exponent notation. Prints the number in scientific
-notation using the letter ‘e’ to indicate the exponent.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'E'</span></code></p></td>
-<td><p>Exponent notation. Same as <code class="docutils literal notranslate"><span class="pre">'e'</span></code> except it uses an
-upper-case <code class="docutils literal notranslate"><span class="pre">'E'</span></code> as the separator character.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'f'</span></code></p></td>
-<td><p>Fixed point. Displays the number as a fixed-point
-number.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'F'</span></code></p></td>
-<td><p>Fixed point. Same as <code class="docutils literal notranslate"><span class="pre">'f'</span></code>, but converts <code class="docutils literal notranslate"><span class="pre">nan</span></code> to
-<code class="docutils literal notranslate"><span class="pre">NAN</span></code> and <code class="docutils literal notranslate"><span class="pre">inf</span></code> to <code class="docutils literal notranslate"><span class="pre">INF</span></code>.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'g'</span></code></p></td>
-<td><p>General format.  For a given precision <code class="docutils literal notranslate"><span class="pre">p</span> <span class="pre">&gt;=</span> <span class="pre">1</span></code>,
-this rounds the number to <code class="docutils literal notranslate"><span class="pre">p</span></code> significant digits and
-then formats the result in either fixed-point format
-or in scientific notation, depending on its magnitude.</p>
-<p>A precision of <code class="docutils literal notranslate"><span class="pre">0</span></code> is treated as equivalent to a
-precision of <code class="docutils literal notranslate"><span class="pre">1</span></code>.</p>
-</td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'G'</span></code></p></td>
-<td><p>General format. Same as <code class="docutils literal notranslate"><span class="pre">'g'</span></code> except switches to
-<code class="docutils literal notranslate"><span class="pre">'E'</span></code> if the number gets too large. The
-representations of infinity and NaN are uppercased, too.</p></td>
-</tr>
-<tr class="row-even"><td><p>none</p></td>
-<td><p>Similar to <code class="docutils literal notranslate"><span class="pre">'g'</span></code>, except that the default precision is
-as high as needed to represent the particular value.</p></td>
-</tr>
-</tbody>
-</table>
-<p>The available presentation types for pointers are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 13%" />
-<col style="width: 87%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'p'</span></code></p></td>
-<td><p>Pointer format. This is the default type for
-pointers and may be omitted.</p></td>
-</tr>
-<tr class="row-odd"><td><p>none</p></td>
-<td><p>The same as <code class="docutils literal notranslate"><span class="pre">'p'</span></code>.</p></td>
-</tr>
-</tbody>
-</table>
-</section>
-<section id="chrono-format-specifications">
-<span id="chrono-specs"></span><h2>Chrono Format Specifications<a class="headerlink" href="#chrono-format-specifications" title="Permalink to this headline">¶</a></h2>
-<p>Format specifications for chrono types and <code class="docutils literal notranslate"><span class="pre">std::tm</span></code> have the following
-syntax:</p>
-<pre>
-<strong id="grammar-token-sf-chrono_format_spec"><span id="grammar-token-chrono-format-spec"></span>chrono_format_spec</strong> ::=  [[<a class="reference internal" href="#grammar-token-sf-fill"><code class="xref docutils literal notranslate"><span class="pre">fill</span></code></a>]<a class="reference internal" href="#grammar-token-sf-align"><code class="xref docutils literal notranslate"><span class="pre">align</span></code></a>][<a class="reference internal" href="#grammar-token-sf-width"><code class="xref docutils literal notranslate"><span class="pre">width</span></code></a>][&quot;.&quot; <a class="reference internal" href="#grammar-token-sf-precision"><code class="xref docutils literal notranslate"><span class="pre">precision</span></code></a>][<a class="reference internal" href="#grammar-token-sf-chrono_specs"><code class="xref docutils literal notranslate"><span class="pre">chrono_specs</span></code></a>]
-<strong id="grammar-token-sf-chrono_specs"><span id="grammar-token-chrono-specs"></span>chrono_specs      </strong> ::=  [<a class="reference internal" href="#grammar-token-sf-chrono_specs"><code class="xref docutils literal notranslate"><span class="pre">chrono_specs</span></code></a>] <a class="reference internal" href="#grammar-token-sf-conversion_spec"><code class="xref docutils literal notranslate"><span class="pre">conversion_spec</span></code></a> | <a class="reference internal" href="#grammar-token-sf-chrono_specs"><code class="xref docutils literal notranslate"><span class="pre">chrono_specs</span></code></a> <a class="reference internal" href="#grammar-token-sf-literal_char"><code class="xref docutils literal notranslate"><span class="pre">literal_char</span></code></a>
-<strong id="grammar-token-sf-conversion_spec"><span id="grammar-token-conversion-spec"></span>conversion_spec   </strong> ::=  &quot;%&quot; [<a class="reference internal" href="#grammar-token-sf-modifier"><code class="xref docutils literal notranslate"><span class="pre">modifier</span></code></a>] <a class="reference internal" href="#grammar-token-sf-chrono_type"><code class="xref docutils literal notranslate"><span class="pre">chrono_type</span></code></a>
-<strong id="grammar-token-sf-literal_char"><span id="grammar-token-literal-char"></span>literal_char      </strong> ::=  &lt;a character other than '{', '}' or '%'&gt;
-<strong id="grammar-token-sf-modifier"><span id="grammar-token-modifier"></span>modifier          </strong> ::=  &quot;E&quot; | &quot;O&quot;
-<strong id="grammar-token-sf-chrono_type"><span id="grammar-token-chrono-type"></span>chrono_type       </strong> ::=  &quot;a&quot; | &quot;A&quot; | &quot;b&quot; | &quot;B&quot; | &quot;c&quot; | &quot;C&quot; | &quot;d&quot; | &quot;D&quot; | &quot;e&quot; | &quot;F&quot; |
-                        &quot;g&quot; | &quot;G&quot; | &quot;h&quot; | &quot;H&quot; | &quot;I&quot; | &quot;j&quot; | &quot;m&quot; | &quot;M&quot; | &quot;n&quot; | &quot;p&quot; |
-                        &quot;q&quot; | &quot;Q&quot; | &quot;r&quot; | &quot;R&quot; | &quot;S&quot; | &quot;t&quot; | &quot;T&quot; | &quot;u&quot; | &quot;U&quot; | &quot;V&quot; |
-                        &quot;w&quot; | &quot;W&quot; | &quot;x&quot; | &quot;X&quot; | &quot;y&quot; | &quot;Y&quot; | &quot;z&quot; | &quot;Z&quot; | &quot;%&quot;
-</pre>
-<p>Literal chars are copied unchanged to the output. Precision is valid only for
-<code class="docutils literal notranslate"><span class="pre">std::chrono::duration</span></code> types with a floating-point representation type.</p>
-<p>The available presentation types (<em>chrono_type</em>) for chrono durations and time
-points are:</p>
-<table class="docutils align-default">
-<colgroup>
-<col style="width: 12%" />
-<col style="width: 88%" />
-</colgroup>
-<thead>
-<tr class="row-odd"><th class="head"><p>Type</p></th>
-<th class="head"><p>Meaning</p></th>
-</tr>
-</thead>
-<tbody>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'H'</span></code></p></td>
-<td><p>The hour (24-hour clock) as a decimal number. If the result is a
-single digit, it is prefixed with 0. The modified command <code class="docutils literal notranslate"><span class="pre">%OH</span></code>
-produces the locale’s alternative representation.</p></td>
-</tr>
-<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'M'</span></code></p></td>
-<td><p>The minute as a decimal number. If the result is a single digit,
-it is prefixed with 0. The modified command <code class="docutils literal notranslate"><span class="pre">%OM</span></code> produces the
-locale’s alternative representation.</p></td>
-</tr>
-<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'S'</span></code></p></td>
-<td><p>Seconds as a decimal number. If the number of seconds is less than
-10, the result is prefixed with 0. If the precision of the input
-cannot be exactly represented with seconds, then the format is a
-decimal floating-point number with a fixed format and a precision
-matching that of the precision of the input (or to a microseconds
-precision if the conversion to floating-point decimal seconds
-cannot be made within 18 fractional digits). The character for the
-decimal point is localized according to the locale. The modified
-command <code class="docutils literal notranslate"><span class="pre">%OS</span></code> produces the locale’s alternative representation.</p></td>
-</tr>
-</tbody>
-</table>
-<p>Specifiers that have a calendaric component such as <code class="docutils literal notranslate"><span class="pre">'d'</span></code> (the day of month)
-are valid only for <code class="docutils literal notranslate"><span class="pre">std::tm</span></code> and not durations or time points.</p>
-</section>
-<section id="range-format-specifications">
-<h2>Range Format Specifications<a class="headerlink" href="#range-format-specifications" title="Permalink to this headline">¶</a></h2>
-<p>Format specifications for range types have the following syntax:</p>
-<pre>
-<strong id="grammar-token-sf-range_format_spec"><span id="grammar-token-range-format-spec"></span>range_format_spec</strong> ::=  [&quot;:&quot; [<code class="xref docutils literal notranslate"><span class="pre">underlying_spec</span></code>]]
-</pre>
-<p>The <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">underlying_spec</span></code> is parsed based on the formatter of the range’s
-reference type.</p>
-<p>By default, a range of characters or strings is printed escaped and quoted. But
-if any <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">underlying_spec</span></code> is provided (even if it is empty), then the characters
-or strings are printed according to the provided specification.</p>
-<p>Examples:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="p">{</span><span class="mi">10</span><span class="p">,</span><span class="w"> </span><span class="mi">20</span><span class="p">,</span><span class="w"> </span><span class="mi">30</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// Result: [10, 20, 30]</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{::#x}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="p">{</span><span class="mi">10</span><span class="p">,</span><span class="w"> </span><span class="mi">20</span><span class="p">,</span><span class="w"> </span><span class="mi">30</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// Result: [0xa, 0x14, 0x13]</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">vector</span><span class="p">{</span><span class="sc">&#39;h&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;e&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;o&#39;</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// Result: [&#39;h&#39;, &#39;e&#39;, &#39;l&#39;, &#39;l&#39;, &#39;o&#39;]</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{::}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">vector</span><span class="p">{</span><span class="sc">&#39;h&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;e&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;o&#39;</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// Result: [h, e, l, l, o]</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{::d}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">vector</span><span class="p">{</span><span class="sc">&#39;h&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;e&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;o&#39;</span><span class="p">});</span><span class="w"></span>
-<span class="c1">// Result: [104, 101, 108, 108, 111]</span>
-</pre></div>
-</div>
-</section>
-<section id="format-examples">
-<span id="formatexamples"></span><h2>Format Examples<a class="headerlink" href="#format-examples" title="Permalink to this headline">¶</a></h2>
-<p>This section contains examples of the format syntax and comparison with
-the printf formatting.</p>
-<p>In most of the cases the syntax is similar to the printf formatting, with the
-addition of the <code class="docutils literal notranslate"><span class="pre">{}</span></code> and with <code class="docutils literal notranslate"><span class="pre">:</span></code> used instead of <code class="docutils literal notranslate"><span class="pre">%</span></code>.
-For example, <code class="docutils literal notranslate"><span class="pre">&quot;%03.2f&quot;</span></code> can be translated to <code class="docutils literal notranslate"><span class="pre">&quot;{:03.2f}&quot;</span></code>.</p>
-<p>The new format syntax also supports new and different options, shown in the
-following examples.</p>
-<p>Accessing arguments by position:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{0}, {1}, {2}&quot;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;a&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;b&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;c&#39;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;a, b, c&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{}, {}, {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;a&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;b&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;c&#39;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;a, b, c&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{2}, {1}, {0}&quot;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;a&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;b&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;c&#39;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;c, b, a&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{0}{1}{0}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;abra&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;cad&quot;</span><span class="p">);</span><span class="w">  </span><span class="c1">// arguments&#39; indices can be repeated</span>
-<span class="c1">// Result: &quot;abracadabra&quot;</span>
-</pre></div>
-</div>
-<p>Aligning the text and specifying a width:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:&lt;30}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;left aligned&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;left aligned                  &quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:&gt;30}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;right aligned&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;                 right aligned&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:^30}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;centered&quot;</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;           centered           &quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:*^30}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;centered&quot;</span><span class="p">);</span><span class="w">  </span><span class="c1">// use &#39;*&#39; as a fill char</span>
-<span class="c1">// Result: &quot;***********centered***********&quot;</span>
-</pre></div>
-</div>
-<p>Dynamic width:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:&lt;{}}&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;left aligned&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">30</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;left aligned                  &quot;</span>
-</pre></div>
-</div>
-<p>Dynamic precision:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:.{}f}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">3.14</span><span class="p">,</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;3.1&quot;</span>
-</pre></div>
-</div>
-<p>Replacing <code class="docutils literal notranslate"><span class="pre">%+f</span></code>, <code class="docutils literal notranslate"><span class="pre">%-f</span></code>, and <code class="docutils literal notranslate"><span class="pre">%</span> <span class="pre">f</span></code> and specifying a sign:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:+f}; {:+f}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">3.14</span><span class="p">,</span><span class="w"> </span><span class="mf">-3.14</span><span class="p">);</span><span class="w">  </span><span class="c1">// show it always</span>
-<span class="c1">// Result: &quot;+3.140000; -3.140000&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{: f}; {: f}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">3.14</span><span class="p">,</span><span class="w"> </span><span class="mf">-3.14</span><span class="p">);</span><span class="w">  </span><span class="c1">// show a space for positive numbers</span>
-<span class="c1">// Result: &quot; 3.140000; -3.140000&quot;</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:-f}; {:-f}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mf">3.14</span><span class="p">,</span><span class="w"> </span><span class="mf">-3.14</span><span class="p">);</span><span class="w">  </span><span class="c1">// show only the minus -- same as &#39;{:f}; {:f}&#39;</span>
-<span class="c1">// Result: &quot;3.140000; -3.140000&quot;</span>
-</pre></div>
-</div>
-<p>Replacing <code class="docutils literal notranslate"><span class="pre">%x</span></code> and <code class="docutils literal notranslate"><span class="pre">%o</span></code> and converting the value to different bases:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;int: {0:d};  hex: {0:x};  oct: {0:o}; bin: {0:b}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;int: 42;  hex: 2a;  oct: 52; bin: 101010&quot;</span>
-<span class="c1">// with 0x or 0 or 0b as prefix:</span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;int: {0:d};  hex: {0:#x};  oct: {0:#o};  bin: {0:#b}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">42</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;int: 42;  hex: 0x2a;  oct: 052;  bin: 0b101010&quot;</span>
-</pre></div>
-</div>
-<p>Padded hex byte with prefix and always prints both hex characters:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="s">&quot;{:#04x}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Result: &quot;0x00&quot;</span>
-</pre></div>
-</div>
-<p>Box drawing using Unicode fill:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="w"></span>
-<span class="w">  </span><span class="s">&quot;┌{0:─^{2}}┐</span><span class="se">\n</span><span class="s">&quot;</span><span class="w"></span>
-<span class="w">  </span><span class="s">&quot;│{1: ^{2}}│</span><span class="se">\n</span><span class="s">&quot;</span><span class="w"></span>
-<span class="w">  </span><span class="s">&quot;└{0:─^{2}}┘</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;&quot;</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;Hello, world!&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">20</span><span class="p">);</span><span class="w"></span>
-</pre></div>
-</div>
-<p>prints:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span>┌────────────────────┐
-│   Hello, world!    │
-└────────────────────┘
-</pre></div>
-</div>
-<p>Using type-specific formatting:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/chrono.h&gt;</span><span class="cp"></span>
-
-<span class="k">auto</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">tm</span><span class="p">();</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_year</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2010</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1900</span><span class="p">;</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_mon</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">7</span><span class="p">;</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_mday</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">;</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_hour</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">12</span><span class="p">;</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_min</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">15</span><span class="p">;</span><span class="w"></span>
-<span class="n">t</span><span class="p">.</span><span class="n">tm_sec</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">58</span><span class="p">;</span><span class="w"></span>
-<span class="n">fmt</span><span class="o">::</span><span class="n">print</span><span class="p">(</span><span class="s">&quot;{:%Y-%m-%d %H:%M:%S}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">t</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// Prints: 2010-08-04 12:15:58</span>
-</pre></div>
-</div>
-<p>Using the comma as a thousands separator:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;fmt/format.h&gt;</span><span class="cp"></span>
-
-<span class="k">auto</span><span class="w"> </span><span class="n">s</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">format</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">locale</span><span class="p">(</span><span class="s">&quot;en_US.UTF-8&quot;</span><span class="p">),</span><span class="w"> </span><span class="s">&quot;{:L}&quot;</span><span class="p">,</span><span class="w"> </span><span class="mi">1234567890</span><span class="p">);</span><span class="w"></span>
-<span class="c1">// s == &quot;1,234,567,890&quot;</span>
-</pre></div>
-</div>
-</section>
-</section>
-
-
-    </div>
-  </div>
-</div>
-
-
-
-    <div class="footer" role="contentinfo">
-        &copy; Copyright 2012-present, Victor Zverovich.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 3.3.0.
-    </div>
-
-<script src="_static/bootstrap.min.js"></script>
-
-  </body>
-</html>
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-<!DOCTYPE html>
-
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-<html lang="en">
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-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
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-    
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-    
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-        LINK_SUFFIX: '.html',
-        SOURCELINK_SUFFIX: '.txt',
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-  <section id="usage">
-<h1>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h1>
-<p>To use the {fmt} library, add <code class="file docutils literal notranslate"><span class="pre">fmt/core.h</span></code>, <code class="file docutils literal notranslate"><span class="pre">fmt/format.h</span></code>,
-<code class="file docutils literal notranslate"><span class="pre">fmt/format-inl.h</span></code>, <code class="file docutils literal notranslate"><span class="pre">src/format.cc</span></code> and optionally other headers
-from a <a class="reference external" href="https://github.com/fmtlib/fmt/releases/latest">release archive</a> or
-the <a class="reference external" href="https://github.com/fmtlib/fmt">Git repository</a> to your project.
-Alternatively, you can <a class="reference internal" href="#building"><span class="std std-ref">build the library with CMake</span></a>.</p>
-<section id="building-the-library">
-<span id="building"></span><h2>Building the Library<a class="headerlink" href="#building-the-library" title="Permalink to this headline">¶</a></h2>
-<p>The included <a class="reference external" href="https://github.com/fmtlib/fmt/blob/master/CMakeLists.txt">CMake build script</a> can be used to build the fmt
-library on a wide range of platforms. CMake is freely available for
-download from <a class="reference external" href="https://www.cmake.org/download/">https://www.cmake.org/download/</a>.</p>
-<p>CMake works by generating native makefiles or project files that can
-be used in the compiler environment of your choice. The typical
-workflow starts with:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span>mkdir build          # Create a directory to hold the build output.
-cd build
-cmake ..  # Generate native build scripts.
-</pre></div>
-</div>
-<p>where <code class="file docutils literal notranslate"><em><span class="pre">&lt;path/to/fmt&gt;</span></em></code> is a path to the <code class="docutils literal notranslate"><span class="pre">fmt</span></code> repository.</p>
-<p>If you are on a *nix system, you should now see a Makefile in the
-current directory. Now you can build the library by running <strong class="command">make</strong>.</p>
-<p>Once the library has been built you can invoke <strong class="command">make test</strong> to run
-the tests.</p>
-<p>You can control generation of the make <code class="docutils literal notranslate"><span class="pre">test</span></code> target with the <code class="docutils literal notranslate"><span class="pre">FMT_TEST</span></code>
-CMake option. This can be useful if you include fmt as a subdirectory in
-your project but don’t want to add fmt’s tests to your <code class="docutils literal notranslate"><span class="pre">test</span></code> target.</p>
-<p>If you use Windows and have Visual Studio installed, a <code class="file docutils literal notranslate"><span class="pre">FMT.sln</span></code>
-file and several <code class="file docutils literal notranslate"><span class="pre">.vcproj</span></code> files will be created. You can then build them
-using Visual Studio or msbuild.</p>
-<p>On Mac OS X with Xcode installed, an <code class="file docutils literal notranslate"><span class="pre">.xcodeproj</span></code> file will be generated.</p>
-<p>To build a <a class="reference external" href="https://en.wikipedia.org/wiki/Library_%28computing%29#Shared_libraries">shared library</a> set the <code class="docutils literal notranslate"><span class="pre">BUILD_SHARED_LIBS</span></code> CMake variable to
-<code class="docutils literal notranslate"><span class="pre">TRUE</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">cmake</span><span class="w"> </span><span class="o">-</span><span class="n">DBUILD_SHARED_LIBS</span><span class="o">=</span><span class="n">TRUE</span><span class="w"> </span><span class="p">...</span><span class="w"></span>
-</pre></div>
-</div>
-<p>To build a <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">static</span> <span class="pre">library</span></code> with position independent code (required if the main
-consumer of the fmt library is a shared library i.e. a Python extension) set the
-<code class="docutils literal notranslate"><span class="pre">CMAKE_POSITION_INDEPENDENT_CODE</span></code> CMake variable to <code class="docutils literal notranslate"><span class="pre">TRUE</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">cmake</span><span class="w"> </span><span class="o">-</span><span class="n">DCMAKE_POSITION_INDEPENDENT_CODE</span><span class="o">=</span><span class="n">TRUE</span><span class="w"> </span><span class="p">...</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="installing-the-library">
-<h2>Installing the Library<a class="headerlink" href="#installing-the-library" title="Permalink to this headline">¶</a></h2>
-<p>After building the library you can install it on a Unix-like system by running
-<strong class="command">sudo make install</strong>.</p>
-</section>
-<section id="usage-with-cmake">
-<h2>Usage with CMake<a class="headerlink" href="#usage-with-cmake" title="Permalink to this headline">¶</a></h2>
-<p>You can add the <code class="docutils literal notranslate"><span class="pre">fmt</span></code> library directory into your project and include it in
-your <code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code> file:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">add_subdirectory</span><span class="p">(</span><span class="n">fmt</span><span class="p">)</span><span class="w"></span>
-</pre></div>
-</div>
-<p>or</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">add_subdirectory</span><span class="p">(</span><span class="n">fmt</span><span class="w"> </span><span class="n">EXCLUDE_FROM_ALL</span><span class="p">)</span><span class="w"></span>
-</pre></div>
-</div>
-<p>to exclude it from <code class="docutils literal notranslate"><span class="pre">make</span></code>, <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">all</span></code>, or <code class="docutils literal notranslate"><span class="pre">cmake</span> <span class="pre">--build</span> <span class="pre">.</span></code>.</p>
-<p>You can detect and use an installed version of {fmt} as follows:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">find_package</span><span class="p">(</span><span class="n">fmt</span><span class="p">)</span><span class="w"></span>
-<span class="n">target_link_libraries</span><span class="p">(</span><span class="o">&lt;</span><span class="n">your</span><span class="o">-</span><span class="n">target</span><span class="o">&gt;</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">fmt</span><span class="p">)</span><span class="w"></span>
-</pre></div>
-</div>
-<p>Setting up your target to use a header-only version of <code class="docutils literal notranslate"><span class="pre">fmt</span></code> is equally easy:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">target_link_libraries</span><span class="p">(</span><span class="o">&lt;</span><span class="n">your</span><span class="o">-</span><span class="n">target</span><span class="o">&gt;</span><span class="w"> </span><span class="n">PRIVATE</span><span class="w"> </span><span class="n">fmt</span><span class="o">::</span><span class="n">fmt</span><span class="o">-</span><span class="n">header</span><span class="o">-</span><span class="n">only</span><span class="p">)</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="usage-with-build2">
-<h2>Usage with build2<a class="headerlink" href="#usage-with-build2" title="Permalink to this headline">¶</a></h2>
-<p>You can use <a class="reference external" href="https://build2.org">build2</a>, a dependency manager and a
-build-system combined, to use <code class="docutils literal notranslate"><span class="pre">fmt</span></code>.</p>
-<p>Currently this package is available in these package repositories:</p>
-<ul class="simple">
-<li><p><strong>https://cppget.org/fmt/</strong> for released and published versions.</p></li>
-<li><p><a class="reference external" href="https://github.com/build2-packaging/fmt.git">The git repository with the sources of the build2 package of fmt</a>
-for unreleased or custom revisions of <code class="docutils literal notranslate"><span class="pre">fmt</span></code>.</p></li>
-</ul>
-<p><strong>Usage:</strong></p>
-<ul class="simple">
-<li><p><code class="docutils literal notranslate"><span class="pre">build2</span></code> package name: <code class="docutils literal notranslate"><span class="pre">fmt</span></code></p></li>
-<li><p>Library target name : <code class="docutils literal notranslate"><span class="pre">lib{fmt}</span></code></p></li>
-</ul>
-<p>For example, to make your <code class="docutils literal notranslate"><span class="pre">build2</span></code> project depend on <code class="docutils literal notranslate"><span class="pre">fmt</span></code>:</p>
-<ul>
-<li><p>Add one of the repositories to your configurations, or in your
-<code class="docutils literal notranslate"><span class="pre">repositories.manifest</span></code>, if not already there:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="o">:</span><span class="w"></span>
-<span class="nl">role</span><span class="p">:</span><span class="w"> </span><span class="n">prerequisite</span><span class="w"></span>
-<span class="nl">location</span><span class="p">:</span><span class="w"> </span><span class="n">https</span><span class="o">:</span><span class="c1">//pkg.cppget.org/1/stable</span>
-</pre></div>
-</div>
-</li>
-<li><p>Add this package as a dependency to your <code class="docutils literal notranslate"><span class="pre">./manifest</span></code> file
-(example for <code class="docutils literal notranslate"><span class="pre">v7.0.x</span></code>):</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nl">depends</span><span class="p">:</span><span class="w"> </span><span class="n">fmt</span><span class="w"> </span><span class="o">~</span><span class="mf">7.0.0</span><span class="w"></span>
-</pre></div>
-</div>
-</li>
-<li><p>Import the target and use it as a prerequisite to your own target
-using <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">fmt</span></code> in the appropriate <code class="docutils literal notranslate"><span class="pre">buildfile</span></code>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">import</span><span class="w"> </span><span class="n">fmt</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">fmt</span><span class="o">%</span><span class="n">lib</span><span class="p">{</span><span class="n">fmt</span><span class="p">}</span><span class="w"></span>
-<span class="n">lib</span><span class="p">{</span><span class="n">mylib</span><span class="p">}</span><span class="w"> </span><span class="o">:</span><span class="w"> </span><span class="n">cxx</span><span class="p">{</span><span class="o">**</span><span class="p">}</span><span class="w"> </span><span class="p">...</span><span class="w"> </span><span class="n">$fmt</span><span class="w"></span>
-</pre></div>
-</div>
-</li>
-</ul>
-<p>Then build your project as usual with <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">b</span></code> or <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">bdep</span> <span class="pre">update</span></code>.</p>
-<p>For <code class="docutils literal notranslate"><span class="pre">build2</span></code> newcomers or to get more details and use cases, you can read the
-<code class="docutils literal notranslate"><span class="pre">build2</span></code>
-<a class="reference external" href="https://build2.org/build2-toolchain/doc/build2-toolchain-intro.xhtml">toolchain introduction</a>.</p>
-</section>
-<section id="building-the-documentation">
-<h2>Building the Documentation<a class="headerlink" href="#building-the-documentation" title="Permalink to this headline">¶</a></h2>
-<p>To build the documentation you need the following software installed on your
-system:</p>
-<ul>
-<li><p><a class="reference external" href="https://www.python.org/">Python</a> with pip and virtualenv</p></li>
-<li><p><a class="reference external" href="http://www.stack.nl/~dimitri/doxygen/">Doxygen</a></p></li>
-<li><p><a class="reference external" href="http://lesscss.org/">Less</a> with <code class="docutils literal notranslate"><span class="pre">less-plugin-clean-css</span></code>.
-Ubuntu doesn’t package the <code class="docutils literal notranslate"><span class="pre">clean-css</span></code> plugin so you should use <code class="docutils literal notranslate"><span class="pre">npm</span></code>
-instead of <code class="docutils literal notranslate"><span class="pre">apt</span></code> to install both <code class="docutils literal notranslate"><span class="pre">less</span></code> and the plugin:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">sudo</span><span class="w"> </span><span class="n">npm</span><span class="w"> </span><span class="n">install</span><span class="w"> </span><span class="o">-</span><span class="n">g</span><span class="w"> </span><span class="n">less</span><span class="w"> </span><span class="n">less</span><span class="o">-</span><span class="n">plugin</span><span class="o">-</span><span class="n">clean</span><span class="o">-</span><span class="n">css</span><span class="p">.</span><span class="w"></span>
-</pre></div>
-</div>
-</li>
-</ul>
-<p>First generate makefiles or project files using CMake as described in
-the previous section. Then compile the <code class="docutils literal notranslate"><span class="pre">doc</span></code> target/project, for example:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">make</span><span class="w"> </span><span class="n">doc</span><span class="w"></span>
-</pre></div>
-</div>
-<p>This will generate the HTML documentation in <code class="docutils literal notranslate"><span class="pre">doc/html</span></code>.</p>
-</section>
-<section id="conda">
-<h2>Conda<a class="headerlink" href="#conda" title="Permalink to this headline">¶</a></h2>
-<p>fmt can be installed on Linux, macOS and Windows with
-<a class="reference external" href="https://docs.conda.io/en/latest/">Conda</a>, using its
-<a class="reference external" href="https://conda-forge.org">conda-forge</a>
-<a class="reference external" href="https://github.com/conda-forge/fmt-feedstock">package</a>, as follows:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">conda</span><span class="w"> </span><span class="n">install</span><span class="w"> </span><span class="o">-</span><span class="n">c</span><span class="w"> </span><span class="n">conda</span><span class="o">-</span><span class="n">forge</span><span class="w"> </span><span class="n">fmt</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-<section id="vcpkg">
-<h2>Vcpkg<a class="headerlink" href="#vcpkg" title="Permalink to this headline">¶</a></h2>
-<p>You can download and install fmt using the <a class="reference external" href="https://github.com/Microsoft/vcpkg">vcpkg</a> dependency manager:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">git</span><span class="w"> </span><span class="n">clone</span><span class="w"> </span><span class="n">https</span><span class="o">:</span><span class="c1">//github.com/Microsoft/vcpkg.git</span>
-<span class="n">cd</span><span class="w"> </span><span class="n">vcpkg</span><span class="w"></span>
-<span class="p">.</span><span class="o">/</span><span class="n">bootstrap</span><span class="o">-</span><span class="n">vcpkg</span><span class="p">.</span><span class="n">sh</span><span class="w"></span>
-<span class="p">.</span><span class="o">/</span><span class="n">vcpkg</span><span class="w"> </span><span class="n">integrate</span><span class="w"> </span><span class="n">install</span><span class="w"></span>
-<span class="p">.</span><span class="o">/</span><span class="n">vcpkg</span><span class="w"> </span><span class="n">install</span><span class="w"> </span><span class="n">fmt</span><span class="w"></span>
-</pre></div>
-</div>
-<p>The fmt port in vcpkg is kept up to date by Microsoft team members and community
-contributors. If the version is out of date, please <a class="reference external" href="https://github.com/Microsoft/vcpkg">create an issue or pull
-request</a> on the vcpkg repository.</p>
-</section>
-<section id="lhelper">
-<h2>LHelper<a class="headerlink" href="#lhelper" title="Permalink to this headline">¶</a></h2>
-<p>You can download and install fmt using
-<a class="reference external" href="https://github.com/franko/lhelper">lhelper</a> dependency manager:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">lhelper</span><span class="w"> </span><span class="n">activate</span><span class="w"> </span><span class="o">&lt;</span><span class="n">some</span><span class="o">-</span><span class="n">environment</span><span class="o">&gt;</span><span class="w"></span>
-<span class="n">lhelper</span><span class="w"> </span><span class="n">install</span><span class="w"> </span><span class="n">fmt</span><span class="w"></span>
-</pre></div>
-</div>
-<p>All the recipes for lhelper are kept in the
-<a class="reference external" href="https://github.com/franko/lhelper-recipes">lhelper’s recipe</a> repository.</p>
-</section>
-<section id="android-ndk">
-<h2>Android NDK<a class="headerlink" href="#android-ndk" title="Permalink to this headline">¶</a></h2>
-<p>fmt provides <a class="reference external" href="https://github.com/fmtlib/fmt/blob/master/support/Android.mk">Android.mk file</a> that can be used to build the library
-with <a class="reference external" href="https://developer.android.com/tools/sdk/ndk/index.html">Android NDK</a>.
-For an example of using fmt with Android NDK, see the
-<a class="reference external" href="https://github.com/fmtlib/android-ndk-example">android-ndk-example</a>
-repository.</p>
-</section>
-<section id="homebrew">
-<h2>Homebrew<a class="headerlink" href="#homebrew" title="Permalink to this headline">¶</a></h2>
-<p>fmt can be installed on OS X using <a class="reference external" href="https://brew.sh/">Homebrew</a>:</p>
-<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">brew</span><span class="w"> </span><span class="n">install</span><span class="w"> </span><span class="n">fmt</span><span class="w"></span>
-</pre></div>
-</div>
-</section>
-</section>
-
-
-    </div>
-  </div>
-</div>
-
-
-
-    <div class="footer" role="contentinfo">
-        &copy; Copyright 2012-present, Victor Zverovich.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 3.3.0.
-    </div>
-
-<script src="_static/bootstrap.min.js"></script>
-
-  </body>
-</html>
\ No newline at end of file
diff --git a/third_party/fmt-9.1.0/doc/index.rst b/third_party/fmt-9.1.0/doc/index.rst
deleted file mode 100644
index 8d55c7a1..00000000
--- a/third_party/fmt-9.1.0/doc/index.rst
+++ /dev/null
@@ -1,198 +0,0 @@
-Overview
-========
-
-**{fmt}** is an open-source formatting library providing a fast and safe
-alternative to C stdio and C++ iostreams.
-
-.. raw:: html
-
-   <div class="panel panel-default">
-     <div class="panel-heading">What users say:</div>
-     <div class="panel-body">
-       Thanks for creating this library. It’s been a hole in C++ for
-       a long time. I’ve used both <code>boost::format</code> and
-       <code>loki::SPrintf</code>, and neither felt like the right answer.
-       This does.
-     </div>
-   </div>
-
-.. _format-api-intro:
-
-Format API
-----------
-
-The format API is similar in spirit to the C ``printf`` family of function but
-is safer, simpler and several times `faster
-<https://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html>`_
-than common standard library implementations.
-The `format string syntax <syntax.html>`_ is similar to the one used by
-`str.format <https://docs.python.org/3/library/stdtypes.html#str.format>`_ in
-Python:
-
-.. code:: c++
-
-  std::string s = fmt::format("The answer is {}.", 42);
-  
-The ``fmt::format`` function returns a string "The answer is 42.". You can use
-``fmt::memory_buffer`` to avoid constructing ``std::string``:
-
-.. code:: c++
-
-  auto out = fmt::memory_buffer();
-  fmt::format_to(std::back_inserter(out),
-            "For a moment, {} happened.", "nothing");
-  auto data = out.data(); // pointer to the formatted data
-  auto size = out.size(); // size of the formatted data
-
-The ``fmt::print`` function performs formatting and writes the result to a stream:
-
-.. code:: c++
-
-  fmt::print(stderr, "System error code = {}\n", errno);
-
-If you omit the file argument the function will print to ``stdout``:
-
-.. code:: c++
-
-  fmt::print("Don't {}\n", "panic");
-
-The format API also supports positional arguments useful for localization:
-
-.. code:: c++
-
-  fmt::print("I'd rather be {1} than {0}.", "right", "happy");
-
-You can pass named arguments with ``fmt::arg``:
-
-.. code:: c++
-
-  fmt::print("Hello, {name}! The answer is {number}. Goodbye, {name}.",
-             fmt::arg("name", "World"), fmt::arg("number", 42));
-
-If your compiler supports C++11 user-defined literals, the suffix ``_a`` offers 
-an alternative, slightly terser syntax for named arguments:
-
-.. code:: c++
-
-  using namespace fmt::literals;
-  fmt::print("Hello, {name}! The answer is {number}. Goodbye, {name}.",
-             "name"_a="World", "number"_a=42);
-
-.. _safety:
-
-Safety
-------
-
-The library is fully type safe, automatic memory management prevents buffer
-overflow, errors in format strings are reported using exceptions or at compile
-time. For example, the code
-
-.. code:: c++
-
-  fmt::format("The answer is {:d}", "forty-two");
-
-throws the ``format_error`` exception because the argument ``"forty-two"`` is a
-string while the format code ``d`` only applies to integers.
-
-The code
-
-.. code:: c++
-
-  format(FMT_STRING("The answer is {:d}"), "forty-two");
-
-reports a compile-time error on compilers that support relaxed ``constexpr``.
-See `here <api.html#compile-time-format-string-checks>`_ for details.
-
-The following code
-
-.. code:: c++
-
-  fmt::format("Cyrillic letter {}", L'\x42e');
-  
-produces a compile-time error because wide character ``L'\x42e'`` cannot be
-formatted into a narrow string. For comparison, writing a wide character to
-``std::ostream`` results in its numeric value being written to the stream
-(i.e. 1070 instead of letter 'ю' which is represented by ``L'\x42e'`` if we
-use Unicode) which is rarely desirable.
-
-Compact Binary Code
--------------------
-
-The library produces compact per-call compiled code. For example
-(`godbolt <https://godbolt.org/g/TZU4KF>`_),
-
-.. code:: c++
-
-   #include <fmt/core.h>
-
-   int main() {
-     fmt::print("The answer is {}.", 42);
-   }
-
-compiles to just
-
-.. code:: asm
-
-   main: # @main
-     sub rsp, 24
-     mov qword ptr [rsp], 42
-     mov rcx, rsp
-     mov edi, offset .L.str
-     mov esi, 17
-     mov edx, 1
-     call fmt::v7::vprint(fmt::v7::basic_string_view<char>, fmt::v7::format_args)
-     xor eax, eax
-     add rsp, 24
-     ret
-   .L.str:
-     .asciz "The answer is {}."
-
-.. _portability:
-
-Portability
------------
-
-The library is highly portable and relies only on a small set of C++11 features:
-
-* variadic templates
-* type traits
-* rvalue references
-* decltype
-* trailing return types
-* deleted functions
-* alias templates
-
-These are available in GCC 4.8, Clang 3.4, MSVC 19.0 (2015) and more recent
-compiler version. For older compilers use {fmt} `version 4.x
-<https://github.com/fmtlib/fmt/releases/tag/4.1.0>`_ which is maintained and
-only requires C++98.
-
-The output of all formatting functions is consistent across platforms.
-For example,
-
-.. code::
-
-  fmt::print("{}", std::numeric_limits<double>::infinity());
-
-always prints ``inf`` while the output of ``printf`` is platform-dependent.
-
-.. _ease-of-use:
-
-Ease of Use
------------
-
-{fmt} has a small self-contained code base with the core library consisting of
-just three header files and no external dependencies.
-A permissive MIT `license <https://github.com/fmtlib/fmt#license>`_ allows
-using the library both in open-source and commercial projects.
-
-`Learn more... <contents.html>`_
-
-.. raw:: html
-
-  <a class="btn btn-success" href="https://github.com/fmtlib/fmt">GitHub Repository</a>
-
-  <div class="section footer">
-    <iframe src="https://ghbtns.com/github-btn.html?user=fmtlib&amp;repo=fmt&amp;type=watch&amp;count=true"
-            class="github-btn" width="100" height="20"></iframe>
-  </div>
diff --git a/third_party/fmt-9.1.0/doc/python-license.txt b/third_party/fmt-9.1.0/doc/python-license.txt
deleted file mode 100644
index 88eed1f9..00000000
--- a/third_party/fmt-9.1.0/doc/python-license.txt
+++ /dev/null
@@ -1,290 +0,0 @@
-A. HISTORY OF THE SOFTWARE
-==========================
-
-Python was created in the early 1990s by Guido van Rossum at Stichting
-Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands
-as a successor of a language called ABC.  Guido remains Python's
-principal author, although it includes many contributions from others.
-
-In 1995, Guido continued his work on Python at the Corporation for
-National Research Initiatives (CNRI, see http://www.cnri.reston.va.us)
-in Reston, Virginia where he released several versions of the
-software.
-
-In May 2000, Guido and the Python core development team moved to
-BeOpen.com to form the BeOpen PythonLabs team.  In October of the same
-year, the PythonLabs team moved to Digital Creations (now Zope
-Corporation, see http://www.zope.com).  In 2001, the Python Software
-Foundation (PSF, see http://www.python.org/psf/) was formed, a
-non-profit organization created specifically to own Python-related
-Intellectual Property.  Zope Corporation is a sponsoring member of
-the PSF.
-
-All Python releases are Open Source (see http://www.opensource.org for
-the Open Source Definition).  Historically, most, but not all, Python
-releases have also been GPL-compatible; the table below summarizes
-the various releases.
-
-    Release         Derived     Year        Owner       GPL-
-                    from                                compatible? (1)
-
-    0.9.0 thru 1.2              1991-1995   CWI         yes
-    1.3 thru 1.5.2  1.2         1995-1999   CNRI        yes
-    1.6             1.5.2       2000        CNRI        no
-    2.0             1.6         2000        BeOpen.com  no
-    1.6.1           1.6         2001        CNRI        yes (2)
-    2.1             2.0+1.6.1   2001        PSF         no
-    2.0.1           2.0+1.6.1   2001        PSF         yes
-    2.1.1           2.1+2.0.1   2001        PSF         yes
-    2.2             2.1.1       2001        PSF         yes
-    2.1.2           2.1.1       2002        PSF         yes
-    2.1.3           2.1.2       2002        PSF         yes
-    2.2.1           2.2         2002        PSF         yes
-    2.2.2           2.2.1       2002        PSF         yes
-    2.2.3           2.2.2       2003        PSF         yes
-    2.3             2.2.2       2002-2003   PSF         yes
-    2.3.1           2.3         2002-2003   PSF         yes
-    2.3.2           2.3.1       2002-2003   PSF         yes
-    2.3.3           2.3.2       2002-2003   PSF         yes
-    2.3.4           2.3.3       2004        PSF         yes
-    2.3.5           2.3.4       2005        PSF         yes
-    2.4             2.3         2004        PSF         yes
-    2.4.1           2.4         2005        PSF         yes
-    2.4.2           2.4.1       2005        PSF         yes
-    2.4.3           2.4.2       2006        PSF         yes
-    2.4.4           2.4.3       2006        PSF         yes
-    2.5             2.4         2006        PSF         yes
-    2.5.1           2.5         2007        PSF         yes
-    2.5.2           2.5.1       2008        PSF         yes
-    2.5.3           2.5.2       2008        PSF         yes
-    2.6             2.5         2008        PSF         yes
-    2.6.1           2.6         2008        PSF         yes
-    2.6.2           2.6.1       2009        PSF         yes
-    2.6.3           2.6.2       2009        PSF         yes
-    2.6.4           2.6.3       2009        PSF         yes
-    2.6.5           2.6.4       2010        PSF         yes
-    3.0             2.6         2008        PSF         yes
-    3.0.1           3.0         2009        PSF         yes
-    3.1             3.0.1       2009        PSF         yes
-    3.1.1           3.1         2009        PSF         yes
-    3.1.2           3.1.1       2010        PSF         yes
-    3.1.3           3.1.2       2010        PSF         yes
-    3.1.4           3.1.3       2011        PSF         yes
-    3.2             3.1         2011        PSF         yes
-    3.2.1           3.2         2011        PSF         yes
-    3.2.2           3.2.1       2011        PSF         yes
-    3.2.3           3.2.2       2012        PSF         yes
-    3.3.0           3.2         2012        PSF         yes
-
-Footnotes:
-
-(1) GPL-compatible doesn't mean that we're distributing Python under
-    the GPL.  All Python licenses, unlike the GPL, let you distribute
-    a modified version without making your changes open source.  The
-    GPL-compatible licenses make it possible to combine Python with
-    other software that is released under the GPL; the others don't.
-
-(2) According to Richard Stallman, 1.6.1 is not GPL-compatible,
-    because its license has a choice of law clause.  According to
-    CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1
-    is "not incompatible" with the GPL.
-
-Thanks to the many outside volunteers who have worked under Guido's
-direction to make these releases possible.
-
-
-B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
-===============================================================
-
-PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
---------------------------------------------
-
-1. This LICENSE AGREEMENT is between the Python Software Foundation
-("PSF"), and the Individual or Organization ("Licensee") accessing and
-otherwise using this software ("Python") in source or binary form and
-its associated documentation.
-
-2. Subject to the terms and conditions of this License Agreement, PSF hereby
-grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
-analyze, test, perform and/or display publicly, prepare derivative works,
-distribute, and otherwise use Python alone or in any derivative version,
-provided, however, that PSF's License Agreement and PSF's notice of copyright,
-i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-2011, 2012 Python Software Foundation; All Rights Reserved" are retained in Python
-alone or in any derivative version prepared by Licensee.
-
-3. In the event Licensee prepares a derivative work that is based on
-or incorporates Python or any part thereof, and wants to make
-the derivative work available to others as provided herein, then
-Licensee hereby agrees to include in any such work a brief summary of
-the changes made to Python.
-
-4. PSF is making Python available to Licensee on an "AS IS"
-basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
-IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
-DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
-FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
-INFRINGE ANY THIRD PARTY RIGHTS.
-
-5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
-FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
-A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
-OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
-
-6. This License Agreement will automatically terminate upon a material
-breach of its terms and conditions.
-
-7. Nothing in this License Agreement shall be deemed to create any
-relationship of agency, partnership, or joint venture between PSF and
-Licensee.  This License Agreement does not grant permission to use PSF
-trademarks or trade name in a trademark sense to endorse or promote
-products or services of Licensee, or any third party.
-
-8. By copying, installing or otherwise using Python, Licensee
-agrees to be bound by the terms and conditions of this License
-Agreement.
-
-
-BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0
--------------------------------------------
-
-BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1
-
-1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an
-office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the
-Individual or Organization ("Licensee") accessing and otherwise using
-this software in source or binary form and its associated
-documentation ("the Software").
-
-2. Subject to the terms and conditions of this BeOpen Python License
-Agreement, BeOpen hereby grants Licensee a non-exclusive,
-royalty-free, world-wide license to reproduce, analyze, test, perform
-and/or display publicly, prepare derivative works, distribute, and
-otherwise use the Software alone or in any derivative version,
-provided, however, that the BeOpen Python License is retained in the
-Software, alone or in any derivative version prepared by Licensee.
-
-3. BeOpen is making the Software available to Licensee on an "AS IS"
-basis.  BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
-IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND
-DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
-FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT
-INFRINGE ANY THIRD PARTY RIGHTS.
-
-4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE
-SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS
-AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY
-DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
-
-5. This License Agreement will automatically terminate upon a material
-breach of its terms and conditions.
-
-6. This License Agreement shall be governed by and interpreted in all
-respects by the law of the State of California, excluding conflict of
-law provisions.  Nothing in this License Agreement shall be deemed to
-create any relationship of agency, partnership, or joint venture
-between BeOpen and Licensee.  This License Agreement does not grant
-permission to use BeOpen trademarks or trade names in a trademark
-sense to endorse or promote products or services of Licensee, or any
-third party.  As an exception, the "BeOpen Python" logos available at
-http://www.pythonlabs.com/logos.html may be used according to the
-permissions granted on that web page.
-
-7. By copying, installing or otherwise using the software, Licensee
-agrees to be bound by the terms and conditions of this License
-Agreement.
-
-
-CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1
----------------------------------------
-
-1. This LICENSE AGREEMENT is between the Corporation for National
-Research Initiatives, having an office at 1895 Preston White Drive,
-Reston, VA 20191 ("CNRI"), and the Individual or Organization
-("Licensee") accessing and otherwise using Python 1.6.1 software in
-source or binary form and its associated documentation.
-
-2. Subject to the terms and conditions of this License Agreement, CNRI
-hereby grants Licensee a nonexclusive, royalty-free, world-wide
-license to reproduce, analyze, test, perform and/or display publicly,
-prepare derivative works, distribute, and otherwise use Python 1.6.1
-alone or in any derivative version, provided, however, that CNRI's
-License Agreement and CNRI's notice of copyright, i.e., "Copyright (c)
-1995-2001 Corporation for National Research Initiatives; All Rights
-Reserved" are retained in Python 1.6.1 alone or in any derivative
-version prepared by Licensee.  Alternately, in lieu of CNRI's License
-Agreement, Licensee may substitute the following text (omitting the
-quotes): "Python 1.6.1 is made available subject to the terms and
-conditions in CNRI's License Agreement.  This Agreement together with
-Python 1.6.1 may be located on the Internet using the following
-unique, persistent identifier (known as a handle): 1895.22/1013.  This
-Agreement may also be obtained from a proxy server on the Internet
-using the following URL: http://hdl.handle.net/1895.22/1013".
-
-3. In the event Licensee prepares a derivative work that is based on
-or incorporates Python 1.6.1 or any part thereof, and wants to make
-the derivative work available to others as provided herein, then
-Licensee hereby agrees to include in any such work a brief summary of
-the changes made to Python 1.6.1.
-
-4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS"
-basis.  CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
-IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND
-DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
-FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT
-INFRINGE ANY THIRD PARTY RIGHTS.
-
-5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
-1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
-A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1,
-OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
-
-6. This License Agreement will automatically terminate upon a material
-breach of its terms and conditions.
-
-7. This License Agreement shall be governed by the federal
-intellectual property law of the United States, including without
-limitation the federal copyright law, and, to the extent such
-U.S. federal law does not apply, by the law of the Commonwealth of
-Virginia, excluding Virginia's conflict of law provisions.
-Notwithstanding the foregoing, with regard to derivative works based
-on Python 1.6.1 that incorporate non-separable material that was
-previously distributed under the GNU General Public License (GPL), the
-law of the Commonwealth of Virginia shall govern this License
-Agreement only as to issues arising under or with respect to
-Paragraphs 4, 5, and 7 of this License Agreement.  Nothing in this
-License Agreement shall be deemed to create any relationship of
-agency, partnership, or joint venture between CNRI and Licensee.  This
-License Agreement does not grant permission to use CNRI trademarks or
-trade name in a trademark sense to endorse or promote products or
-services of Licensee, or any third party.
-
-8. By clicking on the "ACCEPT" button where indicated, or by copying,
-installing or otherwise using Python 1.6.1, Licensee agrees to be
-bound by the terms and conditions of this License Agreement.
-
-        ACCEPT
-
-
-CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2
---------------------------------------------------
-
-Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
-The Netherlands.  All rights reserved.
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Stichting Mathematisch
-Centrum or CWI not be used in advertising or publicity pertaining to
-distribution of the software without specific, written prior
-permission.
-
-STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
-THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
-FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/third_party/fmt-9.1.0/doc/syntax.rst b/third_party/fmt-9.1.0/doc/syntax.rst
deleted file mode 100644
index 1ec5c26f..00000000
--- a/third_party/fmt-9.1.0/doc/syntax.rst
+++ /dev/null
@@ -1,514 +0,0 @@
-.. _syntax:
-
-********************
-Format String Syntax
-********************
-
-Formatting functions such as :ref:`fmt::format() <format>` and
-:ref:`fmt::print() <print>` use the same format string syntax described in this
-section.
-
-Format strings contain "replacement fields" surrounded by curly braces ``{}``.
-Anything that is not contained in braces is considered literal text, which is
-copied unchanged to the output.  If you need to include a brace character in the
-literal text, it can be escaped by doubling: ``{{`` and ``}}``.
-
-The grammar for a replacement field is as follows:
-
-.. productionlist:: sf
-   replacement_field: "{" [`arg_id`] [":" (`format_spec` | `chrono_format_spec`)] "}"
-   arg_id: `integer` | `identifier`
-   integer: `digit`+
-   digit: "0"..."9"
-   identifier: `id_start` `id_continue`*
-   id_start: "a"..."z" | "A"..."Z" | "_"
-   id_continue: `id_start` | `digit`
-
-In less formal terms, the replacement field can start with an *arg_id*
-that specifies the argument whose value is to be formatted and inserted into
-the output instead of the replacement field.
-The *arg_id* is optionally followed by a *format_spec*, which is preceded by a
-colon ``':'``.  These specify a non-default format for the replacement value.
-
-See also the :ref:`formatspec` section.
-
-If the numerical arg_ids in a format string are 0, 1, 2, ... in sequence,
-they can all be omitted (not just some) and the numbers 0, 1, 2, ... will be
-automatically inserted in that order.
-
-Named arguments can be referred to by their names or indices.
-
-Some simple format string examples::
-
-   "First, thou shalt count to {0}" // References the first argument
-   "Bring me a {}"                  // Implicitly references the first argument
-   "From {} to {}"                  // Same as "From {0} to {1}"
-
-The *format_spec* field contains a specification of how the value should be
-presented, including such details as field width, alignment, padding, decimal
-precision and so on.  Each value type can define its own "formatting
-mini-language" or interpretation of the *format_spec*.
-
-Most built-in types support a common formatting mini-language, which is
-described in the next section.
-
-A *format_spec* field can also include nested replacement fields in certain
-positions within it. These nested replacement fields can contain only an
-argument id; format specifications are not allowed. This allows the formatting
-of a value to be dynamically specified.
-
-See the :ref:`formatexamples` section for some examples.
-
-.. _formatspec:
-
-Format Specification Mini-Language
-==================================
-
-"Format specifications" are used within replacement fields contained within a
-format string to define how individual values are presented (see
-:ref:`syntax`).  Each formattable type may define how the format
-specification is to be interpreted.
-
-Most built-in types implement the following options for format specifications,
-although some of the formatting options are only supported by the numeric types.
-
-The general form of a *standard format specifier* is:
-
-.. productionlist:: sf
-   format_spec: [[`fill`]`align`][`sign`]["#"]["0"][`width`]["." `precision`]["L"][`type`]
-   fill: <a character other than '{' or '}'>
-   align: "<" | ">" | "^"
-   sign: "+" | "-" | " "
-   width: `integer` | "{" [`arg_id`] "}"
-   precision: `integer` | "{" [`arg_id`] "}"
-   type: "a" | "A" | "b" | "B" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" |
-       : "o" | "p" | "s" | "x" | "X"
-
-The *fill* character can be any Unicode code point other than ``'{'`` or
-``'}'``. The presence of a fill character is signaled by the character following
-it, which must be one of the alignment options. If the second character of
-*format_spec* is not a valid alignment option, then it is assumed that both the
-fill character and the alignment option are absent.
-
-The meaning of the various alignment options is as follows:
-
-+---------+----------------------------------------------------------+
-| Option  | Meaning                                                  |
-+=========+==========================================================+
-| ``'<'`` | Forces the field to be left-aligned within the available |
-|         | space (this is the default for most objects).            |
-+---------+----------------------------------------------------------+
-| ``'>'`` | Forces the field to be right-aligned within the          |
-|         | available space (this is the default for numbers).       |
-+---------+----------------------------------------------------------+
-| ``'^'`` | Forces the field to be centered within the available     |
-|         | space.                                                   |
-+---------+----------------------------------------------------------+
-
-Note that unless a minimum field width is defined, the field width will always
-be the same size as the data to fill it, so that the alignment option has no
-meaning in this case.
-
-The *sign* option is only valid for number types, and can be one of the
-following:
-
-+---------+------------------------------------------------------------+
-| Option  | Meaning                                                    |
-+=========+============================================================+
-| ``'+'`` | indicates that a sign should be used for both              |
-|         | nonnegative as well as negative numbers.                   |
-+---------+------------------------------------------------------------+
-| ``'-'`` | indicates that a sign should be used only for negative     |
-|         | numbers (this is the default behavior).                    |
-+---------+------------------------------------------------------------+
-| space   | indicates that a leading space should be used on           |
-|         | nonnegative numbers, and a minus sign on negative numbers. |
-+---------+------------------------------------------------------------+
-
-The ``'#'`` option causes the "alternate form" to be used for the
-conversion.  The alternate form is defined differently for different
-types.  This option is only valid for integer and floating-point types.
-For integers, when binary, octal, or hexadecimal output is used, this
-option adds the prefix respective ``"0b"`` (``"0B"``), ``"0"``, or
-``"0x"`` (``"0X"``) to the output value.  Whether the prefix is
-lower-case or upper-case is determined by the case of the type
-specifier, for example, the prefix ``"0x"`` is used for the type ``'x'``
-and ``"0X"`` is used for ``'X'``.  For floating-point numbers the
-alternate form causes the result of the conversion to always contain a
-decimal-point character, even if no digits follow it. Normally, a
-decimal-point character appears in the result of these conversions
-only if a digit follows it. In addition, for ``'g'`` and ``'G'``
-conversions, trailing zeros are not removed from the result.
-
-.. ifconfig:: False
-
-   The ``','`` option signals the use of a comma for a thousands separator.
-   For a locale aware separator, use the ``'L'`` integer presentation type
-   instead.
-
-*width* is a decimal integer defining the minimum field width.  If not
-specified, then the field width will be determined by the content.
-
-Preceding the *width* field by a zero (``'0'``) character enables sign-aware
-zero-padding for numeric types. It forces the padding to be placed after the
-sign or base (if any) but before the digits. This is used for printing fields in
-the form '+000000120'. This option is only valid for numeric types and it has no
-effect on formatting of infinity and NaN.
-
-The *precision* is a decimal number indicating how many digits should be
-displayed after the decimal point for a floating-point value formatted with
-``'f'`` and ``'F'``, or before and after the decimal point for a floating-point
-value formatted with ``'g'`` or ``'G'``.  For non-number types the field
-indicates the maximum field size - in other words, how many characters will be
-used from the field content. The *precision* is not allowed for integer,
-character, Boolean, and pointer values. Note that a C string must be
-null-terminated even if precision is specified.
-
-The ``'L'`` option uses the current locale setting to insert the appropriate
-number separator characters. This option is only valid for numeric types.
-
-Finally, the *type* determines how the data should be presented.
-
-The available string presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'s'`` | String format. This is the default type for strings and  |
-|         | may be omitted.                                          |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'s'``.                                     |
-+---------+----------------------------------------------------------+
-
-The available character presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'c'`` | Character format. This is the default type for           |
-|         | characters and may be omitted.                           |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'c'``.                                     |
-+---------+----------------------------------------------------------+
-
-The available integer presentation types are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'b'`` | Binary format. Outputs the number in base 2. Using the   |
-|         | ``'#'`` option with this type adds the prefix ``"0b"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'B'`` | Binary format. Outputs the number in base 2. Using the   |
-|         | ``'#'`` option with this type adds the prefix ``"0B"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'c'`` | Character format. Outputs the number as a character.     |
-+---------+----------------------------------------------------------+
-| ``'d'`` | Decimal integer. Outputs the number in base 10.          |
-+---------+----------------------------------------------------------+
-| ``'o'`` | Octal format. Outputs the number in base 8.              |
-+---------+----------------------------------------------------------+
-| ``'x'`` | Hex format. Outputs the number in base 16, using         |
-|         | lower-case letters for the digits above 9. Using the     |
-|         | ``'#'`` option with this type adds the prefix ``"0x"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| ``'X'`` | Hex format. Outputs the number in base 16, using         |
-|         | upper-case letters for the digits above 9. Using the     |
-|         | ``'#'`` option with this type adds the prefix ``"0X"``   |
-|         | to the output value.                                     |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'d'``.                                     |
-+---------+----------------------------------------------------------+
-
-Integer presentation types can also be used with character and Boolean values.
-Boolean values are formatted using textual representation, either ``true`` or
-``false``, if the presentation type is not specified.
-
-The available presentation types for floating-point values are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'a'`` | Hexadecimal floating point format. Prints the number in  |
-|         | base 16 with prefix ``"0x"`` and lower-case letters for  |
-|         | digits above 9. Uses ``'p'`` to indicate the exponent.   |
-+---------+----------------------------------------------------------+
-| ``'A'`` | Same as ``'a'`` except it uses upper-case letters for    |
-|         | the prefix, digits above 9 and to indicate the exponent. |
-+---------+----------------------------------------------------------+
-| ``'e'`` | Exponent notation. Prints the number in scientific       |
-|         | notation using the letter 'e' to indicate the exponent.  |
-+---------+----------------------------------------------------------+
-| ``'E'`` | Exponent notation. Same as ``'e'`` except it uses an     |
-|         | upper-case ``'E'`` as the separator character.           |
-+---------+----------------------------------------------------------+
-| ``'f'`` | Fixed point. Displays the number as a fixed-point        |
-|         | number.                                                  |
-+---------+----------------------------------------------------------+
-| ``'F'`` | Fixed point. Same as ``'f'``, but converts ``nan`` to    |
-|         | ``NAN`` and ``inf`` to ``INF``.                          |
-+---------+----------------------------------------------------------+
-| ``'g'`` | General format.  For a given precision ``p >= 1``,       |
-|         | this rounds the number to ``p`` significant digits and   |
-|         | then formats the result in either fixed-point format     |
-|         | or in scientific notation, depending on its magnitude.   |
-|         |                                                          |
-|         | A precision of ``0`` is treated as equivalent to a       |
-|         | precision of ``1``.                                      |
-+---------+----------------------------------------------------------+
-| ``'G'`` | General format. Same as ``'g'`` except switches to       |
-|         | ``'E'`` if the number gets too large. The                |
-|         | representations of infinity and NaN are uppercased, too. |
-+---------+----------------------------------------------------------+
-| none    | Similar to ``'g'``, except that the default precision is |
-|         | as high as needed to represent the particular value.     |
-+---------+----------------------------------------------------------+
-
-.. ifconfig:: False
-
-   +---------+----------------------------------------------------------+
-   |         | The precise rules are as follows: suppose that the       |
-   |         | result formatted with presentation type ``'e'`` and      |
-   |         | precision ``p-1`` would have exponent ``exp``.  Then     |
-   |         | if ``-4 <= exp < p``, the number is formatted            |
-   |         | with presentation type ``'f'`` and precision             |
-   |         | ``p-1-exp``.  Otherwise, the number is formatted         |
-   |         | with presentation type ``'e'`` and precision ``p-1``.    |
-   |         | In both cases insignificant trailing zeros are removed   |
-   |         | from the significand, and the decimal point is also      |
-   |         | removed if there are no remaining digits following it.   |
-   |         |                                                          |
-   |         | Positive and negative infinity, positive and negative    |
-   |         | zero, and nans, are formatted as ``inf``, ``-inf``,      |
-   |         | ``0``, ``-0`` and ``nan`` respectively, regardless of    |
-   |         | the precision.                                           |
-   |         |                                                          |
-   +---------+----------------------------------------------------------+
-
-The available presentation types for pointers are:
-
-+---------+----------------------------------------------------------+
-| Type    | Meaning                                                  |
-+=========+==========================================================+
-| ``'p'`` | Pointer format. This is the default type for             |
-|         | pointers and may be omitted.                             |
-+---------+----------------------------------------------------------+
-| none    | The same as ``'p'``.                                     |
-+---------+----------------------------------------------------------+
-
-.. _chrono-specs:
-
-Chrono Format Specifications
-============================
-
-Format specifications for chrono types and ``std::tm`` have the following
-syntax:
-
-.. productionlist:: sf
-   chrono_format_spec: [[`fill`]`align`][`width`]["." `precision`][`chrono_specs`]
-   chrono_specs: [`chrono_specs`] `conversion_spec` | `chrono_specs` `literal_char`
-   conversion_spec: "%" [`modifier`] `chrono_type`
-   literal_char: <a character other than '{', '}' or '%'>
-   modifier: "E" | "O"
-   chrono_type: "a" | "A" | "b" | "B" | "c" | "C" | "d" | "D" | "e" | "F" |
-              : "g" | "G" | "h" | "H" | "I" | "j" | "m" | "M" | "n" | "p" |
-              : "q" | "Q" | "r" | "R" | "S" | "t" | "T" | "u" | "U" | "V" |
-              : "w" | "W" | "x" | "X" | "y" | "Y" | "z" | "Z" | "%"
-
-Literal chars are copied unchanged to the output. Precision is valid only for
-``std::chrono::duration`` types with a floating-point representation type.
-
-The available presentation types (*chrono_type*) for chrono durations and time
-points are:
-
-+---------+--------------------------------------------------------------------+
-| Type    | Meaning                                                            |
-+=========+====================================================================+
-| ``'H'`` | The hour (24-hour clock) as a decimal number. If the result is a   |
-|         | single digit, it is prefixed with 0. The modified command ``%OH``  |
-|         | produces the locale's alternative representation.                  |
-+---------+--------------------------------------------------------------------+
-| ``'M'`` | The minute as a decimal number. If the result is a single digit,   |
-|         | it is prefixed with 0. The modified command ``%OM`` produces the   |
-|         | locale's alternative representation.                               |
-+---------+--------------------------------------------------------------------+
-| ``'S'`` | Seconds as a decimal number. If the number of seconds is less than |
-|         | 10, the result is prefixed with 0. If the precision of the input   |
-|         | cannot be exactly represented with seconds, then the format is a   |
-|         | decimal floating-point number with a fixed format and a precision  |
-|         | matching that of the precision of the input (or to a microseconds  |
-|         | precision if the conversion to floating-point decimal seconds      |
-|         | cannot be made within 18 fractional digits). The character for the |
-|         | decimal point is localized according to the locale. The modified   |
-|         | command ``%OS`` produces the locale's alternative representation.  |
-+---------+--------------------------------------------------------------------+
-
-Specifiers that have a calendaric component such as ``'d'`` (the day of month)
-are valid only for ``std::tm`` and not durations or time points.
-
-.. range-specs:
-
-Range Format Specifications
-===========================
-
-Format specifications for range types have the following syntax:
-
-.. productionlist:: sf
-   range_format_spec: [":" [`underlying_spec`]]
-
-The `underlying_spec` is parsed based on the formatter of the range's
-reference type.
-
-By default, a range of characters or strings is printed escaped and quoted. But
-if any `underlying_spec` is provided (even if it is empty), then the characters
-or strings are printed according to the provided specification.
-
-Examples::
-
-  fmt::format("{}", std::vector{10, 20, 30});
-  // Result: [10, 20, 30]
-  fmt::format("{::#x}", std::vector{10, 20, 30});
-  // Result: [0xa, 0x14, 0x13]
-  fmt::format("{}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: ['h', 'e', 'l', 'l', 'o']
-  fmt::format("{::}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: [h, e, l, l, o]
-  fmt::format("{::d}", vector{'h', 'e', 'l', 'l', 'o'});
-  // Result: [104, 101, 108, 108, 111]
-
-.. _formatexamples:
-
-Format Examples
-===============
-
-This section contains examples of the format syntax and comparison with
-the printf formatting.
-
-In most of the cases the syntax is similar to the printf formatting, with the
-addition of the ``{}`` and with ``:`` used instead of ``%``.
-For example, ``"%03.2f"`` can be translated to ``"{:03.2f}"``.
-
-The new format syntax also supports new and different options, shown in the
-following examples.
-
-Accessing arguments by position::
-
-   fmt::format("{0}, {1}, {2}", 'a', 'b', 'c');
-   // Result: "a, b, c"
-   fmt::format("{}, {}, {}", 'a', 'b', 'c');
-   // Result: "a, b, c"
-   fmt::format("{2}, {1}, {0}", 'a', 'b', 'c');
-   // Result: "c, b, a"
-   fmt::format("{0}{1}{0}", "abra", "cad");  // arguments' indices can be repeated
-   // Result: "abracadabra"
-
-Aligning the text and specifying a width::
-
-   fmt::format("{:<30}", "left aligned");
-   // Result: "left aligned                  "
-   fmt::format("{:>30}", "right aligned");
-   // Result: "                 right aligned"
-   fmt::format("{:^30}", "centered");
-   // Result: "           centered           "
-   fmt::format("{:*^30}", "centered");  // use '*' as a fill char
-   // Result: "***********centered***********"
-
-Dynamic width::
-
-   fmt::format("{:<{}}", "left aligned", 30);
-   // Result: "left aligned                  "
-
-Dynamic precision::
-
-   fmt::format("{:.{}f}", 3.14, 1);
-   // Result: "3.1"
-
-Replacing ``%+f``, ``%-f``, and ``% f`` and specifying a sign::
-
-   fmt::format("{:+f}; {:+f}", 3.14, -3.14);  // show it always
-   // Result: "+3.140000; -3.140000"
-   fmt::format("{: f}; {: f}", 3.14, -3.14);  // show a space for positive numbers
-   // Result: " 3.140000; -3.140000"
-   fmt::format("{:-f}; {:-f}", 3.14, -3.14);  // show only the minus -- same as '{:f}; {:f}'
-   // Result: "3.140000; -3.140000"
-
-Replacing ``%x`` and ``%o`` and converting the value to different bases::
-
-   fmt::format("int: {0:d};  hex: {0:x};  oct: {0:o}; bin: {0:b}", 42);
-   // Result: "int: 42;  hex: 2a;  oct: 52; bin: 101010"
-   // with 0x or 0 or 0b as prefix:
-   fmt::format("int: {0:d};  hex: {0:#x};  oct: {0:#o};  bin: {0:#b}", 42);
-   // Result: "int: 42;  hex: 0x2a;  oct: 052;  bin: 0b101010"
-
-Padded hex byte with prefix and always prints both hex characters::
-
-   fmt::format("{:#04x}", 0);
-   // Result: "0x00"
-
-Box drawing using Unicode fill::
-
-   fmt::print(
-     "┌{0:─^{2}}┐\n"
-     "│{1: ^{2}}│\n"
-     "└{0:─^{2}}┘\n", "", "Hello, world!", 20);
-
-prints::
-
-   ┌────────────────────┐
-   │   Hello, world!    │
-   └────────────────────┘
-
-Using type-specific formatting::
-
-   #include <fmt/chrono.h>
-
-   auto t = tm();
-   t.tm_year = 2010 - 1900;
-   t.tm_mon = 7;
-   t.tm_mday = 4;
-   t.tm_hour = 12;
-   t.tm_min = 15;
-   t.tm_sec = 58;
-   fmt::print("{:%Y-%m-%d %H:%M:%S}", t);
-   // Prints: 2010-08-04 12:15:58
-
-Using the comma as a thousands separator::
-
-   #include <fmt/format.h>
-
-   auto s = fmt::format(std::locale("en_US.UTF-8"), "{:L}", 1234567890);
-   // s == "1,234,567,890"
-
-.. ifconfig:: False
-
-   Nesting arguments and more complex examples::
-
-      >>> for align, text in zip('<^>', ['left', 'center', 'right']):
-      ...     '{0:{fill}{align}16}") << text, fill=align, align=align)
-      ...
-      'left<<<<<<<<<<<<'
-      '^^^^^center^^^^^'
-      '>>>>>>>>>>>right'
-      >>>
-      >>> octets = [192, 168, 0, 1]
-      Format("{:02X}{:02X}{:02X}{:02X}") << *octets)
-      'C0A80001'
-      >>> int(_, 16)
-      3232235521
-      >>>
-      >>> width = 5
-      >>> for num in range(5,12):
-      ...     for base in 'dXob':
-      ...         print('{0:{width}{base}}") << num, base=base, width=width), end=' ')
-      ...     print()
-      ...
-          5     5     5   101
-          6     6     6   110
-          7     7     7   111
-          8     8    10  1000
-          9     9    11  1001
-         10     A    12  1010
-         11     B    13  1011
diff --git a/third_party/fmt-9.1.0/doc/usage.rst b/third_party/fmt-9.1.0/doc/usage.rst
deleted file mode 100644
index f9f81858..00000000
--- a/third_party/fmt-9.1.0/doc/usage.rst
+++ /dev/null
@@ -1,212 +0,0 @@
-*****
-Usage
-*****
-
-To use the {fmt} library, add :file:`fmt/core.h`, :file:`fmt/format.h`,
-:file:`fmt/format-inl.h`, :file:`src/format.cc` and optionally other headers
-from a `release archive <https://github.com/fmtlib/fmt/releases/latest>`_ or
-the `Git repository <https://github.com/fmtlib/fmt>`_ to your project.
-Alternatively, you can :ref:`build the library with CMake <building>`.
-
-.. _building:
-
-Building the Library
-====================
-
-The included `CMake build script`__ can be used to build the fmt
-library on a wide range of platforms. CMake is freely available for
-download from https://www.cmake.org/download/.
-
-__ https://github.com/fmtlib/fmt/blob/master/CMakeLists.txt
-
-CMake works by generating native makefiles or project files that can
-be used in the compiler environment of your choice. The typical
-workflow starts with::
-
-  mkdir build          # Create a directory to hold the build output.
-  cd build
-  cmake ..  # Generate native build scripts.
-
-where :file:`{<path/to/fmt>}` is a path to the ``fmt`` repository.
-
-If you are on a \*nix system, you should now see a Makefile in the
-current directory. Now you can build the library by running :command:`make`.
-
-Once the library has been built you can invoke :command:`make test` to run
-the tests.
-
-You can control generation of the make ``test`` target with the ``FMT_TEST``
-CMake option. This can be useful if you include fmt as a subdirectory in
-your project but don't want to add fmt's tests to your ``test`` target.
-
-If you use Windows and have Visual Studio installed, a :file:`FMT.sln`
-file and several :file:`.vcproj` files will be created. You can then build them
-using Visual Studio or msbuild.
-
-On Mac OS X with Xcode installed, an :file:`.xcodeproj` file will be generated.
-
-To build a `shared library`__ set the ``BUILD_SHARED_LIBS`` CMake variable to
-``TRUE``::
-
-  cmake -DBUILD_SHARED_LIBS=TRUE ...
-
-__ https://en.wikipedia.org/wiki/Library_%28computing%29#Shared_libraries
-
-
-To build a `static library` with position independent code (required if the main
-consumer of the fmt library is a shared library i.e. a Python extension) set the
-``CMAKE_POSITION_INDEPENDENT_CODE`` CMake variable to ``TRUE``::
-
-  cmake -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE ...
-
-
-Installing the Library
-======================
-
-After building the library you can install it on a Unix-like system by running
-:command:`sudo make install`.
-
-Usage with CMake
-================
-
-You can add the ``fmt`` library directory into your project and include it in
-your ``CMakeLists.txt`` file::
-
-   add_subdirectory(fmt)
-
-or
-
-::
-
-   add_subdirectory(fmt EXCLUDE_FROM_ALL)
-
-to exclude it from ``make``, ``make all``, or ``cmake --build .``.
-
-You can detect and use an installed version of {fmt} as follows::
-
-   find_package(fmt)
-   target_link_libraries(<your-target> fmt::fmt)
-
-Setting up your target to use a header-only version of ``fmt`` is equally easy::
-
-   target_link_libraries(<your-target> PRIVATE fmt::fmt-header-only)
-
-Usage with build2
-=================
-
-You can use `build2 <https://build2.org>`_, a dependency manager and a
-build-system combined, to use ``fmt``.
-
-Currently this package is available in these package repositories:
-
-- **https://cppget.org/fmt/** for released and published versions.
-- `The git repository with the sources of the build2 package of fmt <https://github.com/build2-packaging/fmt.git>`_
-  for unreleased or custom revisions of ``fmt``.
-
-**Usage:**
-
-- ``build2`` package name: ``fmt``
-- Library target name : ``lib{fmt}``
-
-For example, to make your ``build2`` project depend on ``fmt``:
-
-- Add one of the repositories to your configurations, or in your
-  ``repositories.manifest``, if not already there::
-
-    :
-    role: prerequisite
-    location: https://pkg.cppget.org/1/stable
-
-- Add this package as a dependency to your ``./manifest`` file
-  (example for ``v7.0.x``)::
-
-    depends: fmt ~7.0.0
-
-- Import the target and use it as a prerequisite to your own target
-  using `fmt` in the appropriate ``buildfile``::
-
-    import fmt = fmt%lib{fmt}
-    lib{mylib} : cxx{**} ... $fmt
-
-Then build your project as usual with `b` or `bdep update`.
-
-For ``build2`` newcomers or to get more details and use cases, you can read the
-``build2``
-`toolchain introduction <https://build2.org/build2-toolchain/doc/build2-toolchain-intro.xhtml>`_.
-
-Building the Documentation
-==========================
-
-To build the documentation you need the following software installed on your
-system:
-
-* `Python <https://www.python.org/>`_ with pip and virtualenv
-* `Doxygen <http://www.stack.nl/~dimitri/doxygen/>`_
-* `Less <http://lesscss.org/>`_ with ``less-plugin-clean-css``.
-  Ubuntu doesn't package the ``clean-css`` plugin so you should use ``npm``
-  instead of ``apt`` to install both ``less`` and the plugin::
-
-    sudo npm install -g less less-plugin-clean-css.
-
-First generate makefiles or project files using CMake as described in
-the previous section. Then compile the ``doc`` target/project, for example::
-
-  make doc
-
-This will generate the HTML documentation in ``doc/html``.
-
-Conda
-=====
-
-fmt can be installed on Linux, macOS and Windows with
-`Conda <https://docs.conda.io/en/latest/>`__, using its
-`conda-forge <https://conda-forge.org>`__
-`package <https://github.com/conda-forge/fmt-feedstock>`__, as follows::
-
-  conda install -c conda-forge fmt
-
-Vcpkg
-=====
-
-You can download and install fmt using the `vcpkg
-<https://github.com/Microsoft/vcpkg>`__ dependency manager::
-
-  git clone https://github.com/Microsoft/vcpkg.git
-  cd vcpkg
-  ./bootstrap-vcpkg.sh
-  ./vcpkg integrate install
-  ./vcpkg install fmt
-
-The fmt port in vcpkg is kept up to date by Microsoft team members and community
-contributors. If the version is out of date, please `create an issue or pull
-request <https://github.com/Microsoft/vcpkg>`__ on the vcpkg repository.
-
-LHelper
-=======
-
-You can download and install fmt using
-`lhelper <https://github.com/franko/lhelper>`__ dependency manager::
-
-  lhelper activate <some-environment>
-  lhelper install fmt
-
-All the recipes for lhelper are kept in the
-`lhelper's recipe <https://github.com/franko/lhelper-recipes>`__ repository.
-
-Android NDK
-===========
-
-fmt provides `Android.mk file`__ that can be used to build the library
-with `Android NDK <https://developer.android.com/tools/sdk/ndk/index.html>`_.
-For an example of using fmt with Android NDK, see the
-`android-ndk-example <https://github.com/fmtlib/android-ndk-example>`_
-repository.
-
-__ https://github.com/fmtlib/fmt/blob/master/support/Android.mk
-
-Homebrew
-========
-
-fmt can be installed on OS X using `Homebrew <https://brew.sh/>`_::
-
-  brew install fmt
diff --git a/third_party/fmt-9.1.0/include/fmt/std.h b/third_party/fmt-9.1.0/include/fmt/std.h
deleted file mode 100644
index 41d2b283..00000000
--- a/third_party/fmt-9.1.0/include/fmt/std.h
+++ /dev/null
@@ -1,171 +0,0 @@
-// Formatting library for C++ - formatters for standard library types
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_STD_H_
-#define FMT_STD_H_
-
-#include <thread>
-#include <type_traits>
-#include <utility>
-
-#include "ostream.h"
-
-#if FMT_HAS_INCLUDE(<version>)
-#  include <version>
-#endif
-// Checking FMT_CPLUSPLUS for warning suppression in MSVC.
-#if FMT_CPLUSPLUS >= 201703L
-#  if FMT_HAS_INCLUDE(<filesystem>)
-#    include <filesystem>
-#  endif
-#  if FMT_HAS_INCLUDE(<variant>)
-#    include <variant>
-#  endif
-#endif
-
-#ifdef __cpp_lib_filesystem
-FMT_BEGIN_NAMESPACE
-
-namespace detail {
-
-template <typename Char>
-void write_escaped_path(basic_memory_buffer<Char>& quoted,
-                        const std::filesystem::path& p) {
-  write_escaped_string<Char>(std::back_inserter(quoted), p.string<Char>());
-}
-#  ifdef _WIN32
-template <>
-inline void write_escaped_path<char>(basic_memory_buffer<char>& quoted,
-                                     const std::filesystem::path& p) {
-  auto s = p.u8string();
-  write_escaped_string<char>(
-      std::back_inserter(quoted),
-      string_view(reinterpret_cast<const char*>(s.c_str()), s.size()));
-}
-#  endif
-template <>
-inline void write_escaped_path<std::filesystem::path::value_type>(
-    basic_memory_buffer<std::filesystem::path::value_type>& quoted,
-    const std::filesystem::path& p) {
-  write_escaped_string<std::filesystem::path::value_type>(
-      std::back_inserter(quoted), p.native());
-}
-
-}  // namespace detail
-
-template <typename Char>
-struct formatter<std::filesystem::path, Char>
-    : formatter<basic_string_view<Char>> {
-  template <typename FormatContext>
-  auto format(const std::filesystem::path& p, FormatContext& ctx) const ->
-      typename FormatContext::iterator {
-    basic_memory_buffer<Char> quoted;
-    detail::write_escaped_path(quoted, p);
-    return formatter<basic_string_view<Char>>::format(
-        basic_string_view<Char>(quoted.data(), quoted.size()), ctx);
-  }
-};
-FMT_END_NAMESPACE
-#endif
-
-FMT_BEGIN_NAMESPACE
-template <typename Char>
-struct formatter<std::thread::id, Char> : basic_ostream_formatter<Char> {};
-FMT_END_NAMESPACE
-
-#ifdef __cpp_lib_variant
-FMT_BEGIN_NAMESPACE
-template <typename Char> struct formatter<std::monostate, Char> {
-  template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename FormatContext>
-  auto format(const std::monostate&, FormatContext& ctx) const
-      -> decltype(ctx.out()) {
-    auto out = ctx.out();
-    out = detail::write<Char>(out, "monostate");
-    return out;
-  }
-};
-
-namespace detail {
-
-template <typename T>
-using variant_index_sequence =
-    std::make_index_sequence<std::variant_size<T>::value>;
-
-// variant_size and variant_alternative check.
-template <typename T, typename U = void>
-struct is_variant_like_ : std::false_type {};
-template <typename T>
-struct is_variant_like_<T, std::void_t<decltype(std::variant_size<T>::value)>>
-    : std::true_type {};
-
-// formattable element check
-template <typename T, typename C> class is_variant_formattable_ {
-  template <std::size_t... I>
-  static std::conjunction<
-      is_formattable<std::variant_alternative_t<I, T>, C>...>
-      check(std::index_sequence<I...>);
-
- public:
-  static constexpr const bool value =
-      decltype(check(variant_index_sequence<T>{}))::value;
-};
-
-template <typename Char, typename OutputIt, typename T>
-auto write_variant_alternative(OutputIt out, const T& v) -> OutputIt {
-  if constexpr (is_string<T>::value)
-    return write_escaped_string<Char>(out, detail::to_string_view(v));
-  else if constexpr (std::is_same_v<T, Char>)
-    return write_escaped_char(out, v);
-  else
-    return write<Char>(out, v);
-}
-
-}  // namespace detail
-
-template <typename T> struct is_variant_like {
-  static constexpr const bool value = detail::is_variant_like_<T>::value;
-};
-
-template <typename T, typename C> struct is_variant_formattable {
-  static constexpr const bool value =
-      detail::is_variant_formattable_<T, C>::value;
-};
-
-template <typename Variant, typename Char>
-struct formatter<
-    Variant, Char,
-    std::enable_if_t<std::conjunction_v<
-        is_variant_like<Variant>, is_variant_formattable<Variant, Char>>>> {
-  template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename FormatContext>
-  auto format(const Variant& value, FormatContext& ctx) const
-      -> decltype(ctx.out()) {
-    auto out = ctx.out();
-
-    out = detail::write<Char>(out, "variant(");
-    std::visit(
-        [&](const auto& v) {
-          out = detail::write_variant_alternative<Char>(out, v);
-        },
-        value);
-    *out++ = ')';
-    return out;
-  }
-};
-FMT_END_NAMESPACE
-#endif
-
-#endif  // FMT_STD_H_
diff --git a/third_party/fmt-9.1.0/support/bazel/.bazelrc b/third_party/fmt-9.1.0/support/bazel/.bazelrc
deleted file mode 100644
index 583cbbd2..00000000
--- a/third_party/fmt-9.1.0/support/bazel/.bazelrc
+++ /dev/null
@@ -1 +0,0 @@
-build --symlink_prefix=/ # Out of source build
diff --git a/third_party/fmt-9.1.0/support/bazel/.bazelversion b/third_party/fmt-9.1.0/support/bazel/.bazelversion
deleted file mode 100644
index ac14c3df..00000000
--- a/third_party/fmt-9.1.0/support/bazel/.bazelversion
+++ /dev/null
@@ -1 +0,0 @@
-5.1.1
diff --git a/third_party/fmt-9.1.0/support/cmake/cxx14.cmake b/third_party/fmt-9.1.0/support/cmake/cxx14.cmake
deleted file mode 100644
index deb1e26f..00000000
--- a/third_party/fmt-9.1.0/support/cmake/cxx14.cmake
+++ /dev/null
@@ -1,54 +0,0 @@
-# C++14 feature support detection
-
-include(CheckCXXCompilerFlag)
-function (fmt_check_cxx_compiler_flag flag result)
-  if (NOT MSVC)
-    check_cxx_compiler_flag("${flag}" ${result})
-  endif ()
-endfunction ()
-
-if (NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 11)
-endif()
-message(STATUS "CXX_STANDARD: ${CMAKE_CXX_STANDARD}")
-
-if (CMAKE_CXX_STANDARD EQUAL 20)
-  fmt_check_cxx_compiler_flag(-std=c++20 has_std_20_flag)
-  fmt_check_cxx_compiler_flag(-std=c++2a has_std_2a_flag)
-
-  if (has_std_20_flag)
-    set(CXX_STANDARD_FLAG -std=c++20)
-  elseif (has_std_2a_flag)
-    set(CXX_STANDARD_FLAG -std=c++2a)
-  endif ()
-
-elseif (CMAKE_CXX_STANDARD EQUAL 17)
-  fmt_check_cxx_compiler_flag(-std=c++17 has_std_17_flag)
-  fmt_check_cxx_compiler_flag(-std=c++1z has_std_1z_flag)
-
-  if (has_std_17_flag)
-    set(CXX_STANDARD_FLAG -std=c++17)
-  elseif (has_std_1z_flag)
-    set(CXX_STANDARD_FLAG -std=c++1z)
-  endif ()
-
-elseif (CMAKE_CXX_STANDARD EQUAL 14)
-  fmt_check_cxx_compiler_flag(-std=c++14 has_std_14_flag)
-  fmt_check_cxx_compiler_flag(-std=c++1y has_std_1y_flag)
-
-  if (has_std_14_flag)
-    set(CXX_STANDARD_FLAG -std=c++14)
-  elseif (has_std_1y_flag)
-    set(CXX_STANDARD_FLAG -std=c++1y)
-  endif ()
-
-elseif (CMAKE_CXX_STANDARD EQUAL 11)
-  fmt_check_cxx_compiler_flag(-std=c++11 has_std_11_flag)
-  fmt_check_cxx_compiler_flag(-std=c++0x has_std_0x_flag)
-
-  if (has_std_11_flag)
-    set(CXX_STANDARD_FLAG -std=c++11)
-  elseif (has_std_0x_flag)
-    set(CXX_STANDARD_FLAG -std=c++0x)
-  endif ()
-endif ()
diff --git a/third_party/fmt-9.1.0/support/rtd/theme/theme.conf b/third_party/fmt-9.1.0/support/rtd/theme/theme.conf
deleted file mode 100644
index 89e03bbd..00000000
--- a/third_party/fmt-9.1.0/support/rtd/theme/theme.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-[theme]
-inherit = basic
diff --git a/third_party/fmt-9.1.0/test/CMakeLists.txt b/third_party/fmt-9.1.0/test/CMakeLists.txt
deleted file mode 100644
index 97163785..00000000
--- a/third_party/fmt-9.1.0/test/CMakeLists.txt
+++ /dev/null
@@ -1,245 +0,0 @@
-add_subdirectory(gtest)
-
-set(TEST_MAIN_SRC test-main.cc gtest-extra.cc gtest-extra.h util.cc)
-add_library(test-main STATIC ${TEST_MAIN_SRC})
-target_include_directories(test-main PUBLIC
-  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
-target_link_libraries(test-main gtest fmt)
-
-function(add_fmt_executable name)
-  add_executable(${name} ${ARGN})
-  # (Wstringop-overflow) - [meta-bug] bogus/missing -Wstringop-overflow warnings
-  #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
-  # Bogus -Wstringop-overflow warning
-  #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100395
-  # [10 Regression] spurious -Wstringop-overflow writing to a trailing array plus offset
-  #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95353
-  if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
-      NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
-    target_compile_options(${name} PRIVATE -Wno-stringop-overflow)
-    # The linker flag is needed for LTO.
-    target_link_libraries(${name} -Wno-stringop-overflow)
-  endif ()
-endfunction()
-
-# Adds a test.
-# Usage: add_fmt_test(name srcs...)
-function(add_fmt_test name)
-  cmake_parse_arguments(ADD_FMT_TEST "HEADER_ONLY;MODULE" "" "" ${ARGN})
-
-  set(sources ${name}.cc ${ADD_FMT_TEST_UNPARSED_ARGUMENTS})
-  if (ADD_FMT_TEST_HEADER_ONLY)
-    set(sources ${sources} ${TEST_MAIN_SRC} ../src/os.cc)
-    set(libs gtest fmt-header-only)
-    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-      set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wno-weak-vtables)
-    endif ()
-  elseif (ADD_FMT_TEST_MODULE)
-    set(libs gtest test-module)
-    set_source_files_properties(${name}.cc PROPERTIES OBJECT_DEPENDS test-module)
-  else ()
-    set(libs test-main fmt)
-  endif ()
-  add_fmt_executable(${name} ${sources})
-  target_link_libraries(${name} ${libs})
-
-  # Define if certain C++ features can be used.
-  if (FMT_PEDANTIC)
-    target_compile_options(${name} PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-  endif ()
-  if (FMT_WERROR)
-    target_compile_options(${name} PRIVATE ${WERROR_FLAG})
-  endif ()
-  add_test(NAME ${name} COMMAND ${name})
-endfunction()
-
-add_fmt_test(args-test)
-add_fmt_test(assert-test)
-add_fmt_test(chrono-test)
-add_fmt_test(color-test)
-add_fmt_test(core-test)
-add_fmt_test(gtest-extra-test)
-add_fmt_test(format-test mock-allocator.h)
-if (MSVC)
-  target_compile_options(format-test PRIVATE /bigobj)
-endif ()
-if (NOT (MSVC AND BUILD_SHARED_LIBS))
-  add_fmt_test(format-impl-test HEADER_ONLY header-only-test.cc)
-endif ()
-add_fmt_test(ostream-test)
-add_fmt_test(compile-test)
-add_fmt_test(compile-fp-test HEADER_ONLY)
-if (MSVC)
-  # Without this option, MSVC returns 199711L for the __cplusplus macro.
-  target_compile_options(compile-fp-test PRIVATE /Zc:__cplusplus)
-endif()
-add_fmt_test(printf-test)
-add_fmt_test(ranges-test ranges-odr-test.cc)
-add_fmt_test(scan-test)
-add_fmt_test(std-test)
-try_compile(compile_result_unused
-            ${CMAKE_CURRENT_BINARY_DIR}
-            SOURCES ${CMAKE_CURRENT_LIST_DIR}/detect-stdfs.cc
-            OUTPUT_VARIABLE RAWOUTPUT)
-string(REGEX REPLACE ".*libfound \"([^\"]*)\".*" "\\1" STDLIBFS "${RAWOUTPUT}")
-if (STDLIBFS)
-  target_link_libraries(std-test ${STDLIBFS})
-endif ()
-add_fmt_test(unicode-test HEADER_ONLY)
-if (MSVC)
-  target_compile_options(unicode-test PRIVATE /utf-8)
-endif ()
-add_fmt_test(xchar-test)
-add_fmt_test(enforce-checks-test)
-target_compile_definitions(enforce-checks-test PRIVATE
-                           -DFMT_ENFORCE_COMPILE_STRING)
-
-if (FMT_CAN_MODULE)
-  # The tests need {fmt} to be compiled as traditional library
-  # because of visibility of implementation details.
-  # If module support is present the module tests require a
-  # test-only module to be built from {fmt}
-  add_library(test-module OBJECT ${CMAKE_SOURCE_DIR}/src/fmt.cc)
-  target_compile_features(test-module PUBLIC ${FMT_REQUIRED_FEATURES})
-  target_include_directories(test-module PUBLIC
-    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
-  enable_module(test-module)
-
-  add_fmt_test(module-test MODULE test-main.cc)
-  if (MSVC)
-    target_compile_options(test-module PRIVATE /utf-8 /Zc:__cplusplus
-                           /Zc:externConstexpr /Zc:inline)
-    target_compile_options(module-test PRIVATE /utf-8 /Zc:__cplusplus
-                           /Zc:externConstexpr /Zc:inline)
-  endif ()
-endif ()
-
-if (NOT DEFINED MSVC_STATIC_RUNTIME AND MSVC)
-  foreach (flag_var
-			 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
-			 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
-	if (${flag_var} MATCHES "^(/|-)(MT|MTd)")
-	  set(MSVC_STATIC_RUNTIME ON)
-	  break()
-	endif()
-  endforeach()
-endif()
-
-if (NOT MSVC_STATIC_RUNTIME)
-  add_fmt_executable(posix-mock-test
-    posix-mock-test.cc ../src/format.cc ${TEST_MAIN_SRC})
-  target_include_directories(
-    posix-mock-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
-  target_link_libraries(posix-mock-test gtest)
-  if (FMT_PEDANTIC)
-    target_compile_options(posix-mock-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-  endif ()
-  add_test(NAME posix-mock-test COMMAND posix-mock-test)
-  add_fmt_test(os-test)
-endif ()
-
-message(STATUS "FMT_PEDANTIC: ${FMT_PEDANTIC}")
-
-if (FMT_PEDANTIC)
-  # Test that the library can be compiled with exceptions disabled.
-  # -fno-exception is broken in icc: https://github.com/fmtlib/fmt/issues/822.
-  if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
-    check_cxx_compiler_flag(-fno-exceptions HAVE_FNO_EXCEPTIONS_FLAG)
-  endif ()
-  if (HAVE_FNO_EXCEPTIONS_FLAG)
-    add_library(noexception-test ../src/format.cc noexception-test.cc)
-    target_include_directories(
-      noexception-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
-    target_compile_options(noexception-test PRIVATE -fno-exceptions)
-    target_compile_options(noexception-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-  endif ()
-
-  # Test that the library compiles without locale.
-  add_library(nolocale-test ../src/format.cc)
-  target_include_directories(
-    nolocale-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
-  target_compile_definitions(
-    nolocale-test PRIVATE FMT_STATIC_THOUSANDS_SEPARATOR=1)
-endif ()
-
-# These tests are disabled on Windows because they take too long.
-if (FMT_PEDANTIC AND NOT WIN32)
-  # Test if incorrect API usages produce compilation error.
-  add_test(compile-error-test ${CMAKE_CTEST_COMMAND}
-    --build-and-test
-    "${CMAKE_CURRENT_SOURCE_DIR}/compile-error-test"
-    "${CMAKE_CURRENT_BINARY_DIR}/compile-error-test"
-    --build-generator ${CMAKE_GENERATOR}
-    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
-    --build-options
-    "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-    "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
-    "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-    "-DCXX_STANDARD_FLAG=${CXX_STANDARD_FLAG}"
-    "-DFMT_DIR=${CMAKE_SOURCE_DIR}")
-
-  # Test if the targets are found from the build directory.
-  add_test(find-package-test ${CMAKE_CTEST_COMMAND}
-    -C ${CMAKE_BUILD_TYPE}
-    --build-and-test
-    "${CMAKE_CURRENT_SOURCE_DIR}/find-package-test"
-    "${CMAKE_CURRENT_BINARY_DIR}/find-package-test"
-    --build-generator ${CMAKE_GENERATOR}
-    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
-    --build-options
-    "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-    "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
-    "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-    "-DFMT_DIR=${PROJECT_BINARY_DIR}"
-    "-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
-    "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
-
-  # Test if the targets are found when add_subdirectory is used.
-  add_test(add-subdirectory-test ${CMAKE_CTEST_COMMAND}
-    -C ${CMAKE_BUILD_TYPE}
-    --build-and-test
-    "${CMAKE_CURRENT_SOURCE_DIR}/add-subdirectory-test"
-    "${CMAKE_CURRENT_BINARY_DIR}/add-subdirectory-test"
-    --build-generator ${CMAKE_GENERATOR}
-    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
-    --build-options
-    "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-    "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-    "-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
-    "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
-endif ()
-
-# This test are disabled on Windows because it is only *NIX issue.
-if (FMT_PEDANTIC AND NOT WIN32)
-  add_test(static-export-test ${CMAKE_CTEST_COMMAND}
-    -C ${CMAKE_BUILD_TYPE}
-    --build-and-test
-    "${CMAKE_CURRENT_SOURCE_DIR}/static-export-test"
-    "${CMAKE_CURRENT_BINARY_DIR}/static-export-test"
-    --build-generator ${CMAKE_GENERATOR}
-    --build-makeprogram ${CMAKE_MAKE_PROGRAM}
-    --build-options
-    "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-    "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-    "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
-endif ()
-
-# Activate optional CUDA tests if CUDA is found. For version selection see
-# https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#cpp14-language-features
-if (FMT_CUDA_TEST)
-  if (${CMAKE_VERSION} VERSION_LESS 3.15)
-    find_package(CUDA 9.0)
-  else ()
-    include(CheckLanguage)
-    check_language(CUDA)
-    if (CMAKE_CUDA_COMPILER)
-      enable_language(CUDA OPTIONAL)
-      set(CUDA_FOUND TRUE)
-    endif ()
-  endif ()
-
-  if (CUDA_FOUND)
-    add_subdirectory(cuda-test)
-    add_test(NAME cuda-test COMMAND fmt-in-cuda-test)
-  endif ()
-endif ()
diff --git a/third_party/fmt-9.1.0/test/add-subdirectory-test/CMakeLists.txt b/third_party/fmt-9.1.0/test/add-subdirectory-test/CMakeLists.txt
deleted file mode 100644
index e08d0cf7..00000000
--- a/third_party/fmt-9.1.0/test/add-subdirectory-test/CMakeLists.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-cmake_minimum_required(VERSION 3.1...3.18)
-
-project(fmt-test CXX)
-
-add_subdirectory(../.. fmt)
-
-add_executable(library-test main.cc)
-target_include_directories(library-test PUBLIC SYSTEM .)
-target_compile_options(library-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-target_link_libraries(library-test fmt::fmt)
-
-if (TARGET fmt::fmt-header-only)
-  add_executable(header-only-test main.cc)
-  target_include_directories(header-only-test PUBLIC SYSTEM .)
-  target_compile_options(header-only-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-  target_link_libraries(header-only-test fmt::fmt-header-only)
-endif ()
diff --git a/third_party/fmt-9.1.0/test/add-subdirectory-test/main.cc b/third_party/fmt-9.1.0/test/add-subdirectory-test/main.cc
deleted file mode 100644
index fcdf232e..00000000
--- a/third_party/fmt-9.1.0/test/add-subdirectory-test/main.cc
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "fmt/core.h"
-
-int main(int argc, char** argv) {
-  for (int i = 0; i < argc; ++i) fmt::print("{}: {}\n", i, argv[i]);
-}
diff --git a/third_party/fmt-9.1.0/test/args-test.cc b/third_party/fmt-9.1.0/test/args-test.cc
deleted file mode 100644
index aa01fa4e..00000000
--- a/third_party/fmt-9.1.0/test/args-test.cc
+++ /dev/null
@@ -1,186 +0,0 @@
-// Formatting library for C++ - dynamic argument store tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/args.h"
-
-#include <memory>
-
-#include "gtest/gtest.h"
-
-TEST(args_test, basic) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  store.push_back(42);
-  store.push_back("abc1");
-  store.push_back(1.5f);
-  EXPECT_EQ("42 and abc1 and 1.5", fmt::vformat("{} and {} and {}", store));
-}
-
-TEST(args_test, strings_and_refs) {
-  // Unfortunately the tests are compiled with old ABI so strings use COW.
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  char str[] = "1234567890";
-  store.push_back(str);
-  store.push_back(std::cref(str));
-  store.push_back(fmt::string_view{str});
-  str[0] = 'X';
-
-  auto result = fmt::vformat("{} and {} and {}", store);
-  EXPECT_EQ("1234567890 and X234567890 and X234567890", result);
-}
-
-struct custom_type {
-  int i = 0;
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<custom_type> {
-  auto parse(format_parse_context& ctx) const -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename FormatContext>
-  auto format(const custom_type& p, FormatContext& ctx) -> decltype(ctx.out()) {
-    return format_to(ctx.out(), "cust={}", p.i);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(args_test, custom_format) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  auto c = custom_type();
-  store.push_back(c);
-  ++c.i;
-  store.push_back(c);
-  ++c.i;
-  store.push_back(std::cref(c));
-  ++c.i;
-  auto result = fmt::vformat("{} and {} and {}", store);
-  EXPECT_EQ("cust=0 and cust=1 and cust=3", result);
-}
-
-struct to_stringable {
-  friend fmt::string_view to_string_view(to_stringable) { return {}; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<to_stringable> {
-  auto parse(format_parse_context& ctx) const -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(to_stringable, format_context& ctx) -> decltype(ctx.out()) {
-    return ctx.out();
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(args_test, to_string_and_formatter) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  auto s = to_stringable();
-  store.push_back(s);
-  store.push_back(std::cref(s));
-  fmt::vformat("", store);
-}
-
-TEST(args_test, named_int) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  store.push_back(fmt::arg("a1", 42));
-  EXPECT_EQ("42", fmt::vformat("{a1}", store));
-}
-
-TEST(args_test, named_strings) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  char str[] = "1234567890";
-  store.push_back(fmt::arg("a1", str));
-  store.push_back(fmt::arg("a2", std::cref(str)));
-  str[0] = 'X';
-  EXPECT_EQ("1234567890 and X234567890", fmt::vformat("{a1} and {a2}", store));
-}
-
-TEST(args_test, named_arg_by_ref) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  char band[] = "Rolling Stones";
-  store.push_back(fmt::arg("band", std::cref(band)));
-  band[9] = 'c';  // Changing band affects the output.
-  EXPECT_EQ(fmt::vformat("{band}", store), "Rolling Scones");
-}
-
-TEST(args_test, named_custom_format) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  auto c = custom_type();
-  store.push_back(fmt::arg("c1", c));
-  ++c.i;
-  store.push_back(fmt::arg("c2", c));
-  ++c.i;
-  store.push_back(fmt::arg("c_ref", std::cref(c)));
-  ++c.i;
-  auto result = fmt::vformat("{c1} and {c2} and {c_ref}", store);
-  EXPECT_EQ("cust=0 and cust=1 and cust=3", result);
-}
-
-TEST(args_test, clear) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  store.push_back(42);
-
-  auto result = fmt::vformat("{}", store);
-  EXPECT_EQ("42", result);
-
-  store.push_back(43);
-  result = fmt::vformat("{} and {}", store);
-  EXPECT_EQ("42 and 43", result);
-
-  store.clear();
-  store.push_back(44);
-  result = fmt::vformat("{}", store);
-  EXPECT_EQ("44", result);
-}
-
-TEST(args_test, reserve) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  store.reserve(2, 1);
-  store.push_back(1.5f);
-  store.push_back(fmt::arg("a1", 42));
-  auto result = fmt::vformat("{a1} and {}", store);
-  EXPECT_EQ("42 and 1.5", result);
-}
-
-struct copy_throwable {
-  copy_throwable() {}
-  copy_throwable(const copy_throwable&) { throw "deal with it"; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<copy_throwable> {
-  auto parse(format_parse_context& ctx) const -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-  auto format(copy_throwable, format_context& ctx) -> decltype(ctx.out()) {
-    return ctx.out();
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(args_test, throw_on_copy) {
-  fmt::dynamic_format_arg_store<fmt::format_context> store;
-  store.push_back(std::string("foo"));
-  try {
-    store.push_back(copy_throwable());
-  } catch (...) {
-  }
-  EXPECT_EQ(fmt::vformat("{}", store), "foo");
-}
-
-TEST(args_test, move_constructor) {
-  using store_type = fmt::dynamic_format_arg_store<fmt::format_context>;
-  auto store = std::unique_ptr<store_type>(new store_type());
-  store->push_back(42);
-  store->push_back(std::string("foo"));
-  store->push_back(fmt::arg("a1", "foo"));
-  auto moved_store = std::move(*store);
-  store.reset();
-  EXPECT_EQ(fmt::vformat("{} {} {a1}", moved_store), "42 foo foo");
-}
diff --git a/third_party/fmt-9.1.0/test/assert-test.cc b/third_party/fmt-9.1.0/test/assert-test.cc
deleted file mode 100644
index c74e617e..00000000
--- a/third_party/fmt-9.1.0/test/assert-test.cc
+++ /dev/null
@@ -1,31 +0,0 @@
-// Formatting library for C++ - FMT_ASSERT test
-//
-// It is a separate test to minimize the number of EXPECT_DEBUG_DEATH checks
-// which are slow on some platforms. In other tests FMT_ASSERT is made to throw
-// an exception which is much faster and easier to check.
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/core.h"
-#include "gtest/gtest.h"
-
-TEST(assert_test, fail) {
-#if GTEST_HAS_DEATH_TEST
-  EXPECT_DEBUG_DEATH(FMT_ASSERT(false, "don't panic!"), "don't panic!");
-#else
-  fmt::print("warning: death tests are not supported\n");
-#endif
-}
-
-TEST(assert_test, dangling_else) {
-  bool test_condition = false;
-  bool executed_else = false;
-  if (test_condition)
-    FMT_ASSERT(true, "");
-  else
-    executed_else = true;
-  EXPECT_TRUE(executed_else);
-}
diff --git a/third_party/fmt-9.1.0/test/chrono-test.cc b/third_party/fmt-9.1.0/test/chrono-test.cc
deleted file mode 100644
index 0f2a2498..00000000
--- a/third_party/fmt-9.1.0/test/chrono-test.cc
+++ /dev/null
@@ -1,643 +0,0 @@
-// Formatting library for C++ - time formatting tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/chrono.h"
-
-#include <ctime>
-#include <vector>
-
-#include "gtest-extra.h"  // EXPECT_THROW_MSG
-#include "util.h"         // get_locale
-
-using fmt::runtime;
-
-using testing::Contains;
-
-auto make_tm() -> std::tm {
-  auto time = std::tm();
-  time.tm_mday = 1;
-  return time;
-}
-
-auto make_hour(int h) -> std::tm {
-  auto time = make_tm();
-  time.tm_hour = h;
-  return time;
-}
-
-auto make_minute(int m) -> std::tm {
-  auto time = make_tm();
-  time.tm_min = m;
-  return time;
-}
-
-auto make_second(int s) -> std::tm {
-  auto time = make_tm();
-  time.tm_sec = s;
-  return time;
-}
-
-std::string system_strftime(const std::string& format, const std::tm* timeptr,
-                            std::locale* locptr = nullptr) {
-  auto loc = locptr ? *locptr : std::locale::classic();
-  auto& facet = std::use_facet<std::time_put<char>>(loc);
-  std::ostringstream os;
-  os.imbue(loc);
-  facet.put(os, os, ' ', timeptr, format.c_str(),
-            format.c_str() + format.size());
-#ifdef _WIN32
-  // Workaround a bug in older versions of Universal CRT.
-  auto str = os.str();
-  if (str == "-0000") str = "+0000";
-  return str;
-#else
-  return os.str();
-#endif
-}
-
-FMT_CONSTEXPR std::tm make_tm(int year, int mon, int mday, int hour, int min,
-                              int sec) {
-  auto tm = std::tm();
-  tm.tm_sec = sec;
-  tm.tm_min = min;
-  tm.tm_hour = hour;
-  tm.tm_mday = mday;
-  tm.tm_mon = mon - 1;
-  tm.tm_year = year - 1900;
-  return tm;
-}
-
-TEST(chrono_test, format_tm) {
-  auto tm = std::tm();
-  tm.tm_year = 116;
-  tm.tm_mon = 3;
-  tm.tm_mday = 25;
-  tm.tm_hour = 11;
-  tm.tm_min = 22;
-  tm.tm_sec = 33;
-  EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
-            "The date is 2016-04-25 11:22:33.");
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "2016");
-  EXPECT_EQ(fmt::format("{:%C}", tm), "20");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm));
-  EXPECT_EQ(fmt::format("{:%e}", tm), "25");
-  EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/16");
-  EXPECT_EQ(fmt::format("{:%F}", tm), "2016-04-25");
-  EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
-
-  // Short year
-  tm.tm_year = 999 - 1900;
-  tm.tm_mon = 0;   // for %G
-  tm.tm_mday = 2;  // for %G
-  tm.tm_wday = 3;  // for %G
-  tm.tm_yday = 1;  // for %G
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "0999");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), "0999");
-  EXPECT_EQ(fmt::format("{:%G}", tm), "0999");
-
-  tm.tm_year = 27 - 1900;
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "0027");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), "0027");
-
-  // Overflow year
-  tm.tm_year = 2147483647;
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "2147485547");
-
-  tm.tm_year = -2147483648;
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "-2147481748");
-
-  // for week on the year
-  // https://www.cl.cam.ac.uk/~mgk25/iso-time.html
-  std::vector<std::tm> tm_list = {
-      make_tm(1975, 12, 29, 12, 14, 16),  // W01
-      make_tm(1977, 1, 2, 12, 14, 16),    // W53
-      make_tm(1999, 12, 27, 12, 14, 16),  // W52
-      make_tm(1999, 12, 31, 12, 14, 16),  // W52
-      make_tm(2000, 1, 1, 12, 14, 16),    // W52
-      make_tm(2000, 1, 2, 12, 14, 16),    // W52
-      make_tm(2000, 1, 3, 12, 14, 16)     // W1
-  };
-
-#if defined(__MINGW32__) && !defined(_UCRT)
-  GTEST_SKIP() << "Skip the rest of this test because it relies on strftime() "
-                  "conforming to C99, but on this platform, MINGW + MSVCRT, "
-                  "the function conforms only to C89.";
-#endif
-
-  const std::string iso_week_spec = "%Y-%m-%d: %G %g %V";
-  for (auto ctm : tm_list) {
-    // Calculate tm_yday, tm_wday, etc.
-    std::time_t t = std::mktime(&ctm);
-    tm = *std::localtime(&t);
-
-    auto fmt_spec = fmt::format("{{:{}}}", iso_week_spec);
-    EXPECT_EQ(system_strftime(iso_week_spec, &tm),
-              fmt::format(fmt::runtime(fmt_spec), tm));
-  }
-
-  // Every day from 1970-01-01
-  std::time_t time_now = std::time(nullptr);
-  for (std::time_t t = 6 * 3600; t < time_now; t += 86400) {
-    tm = *std::localtime(&t);
-
-    auto fmt_spec = fmt::format("{{:{}}}", iso_week_spec);
-    EXPECT_EQ(system_strftime(iso_week_spec, &tm),
-              fmt::format(fmt::runtime(fmt_spec), tm));
-  }
-}
-
-// MSVC:
-//  minkernel\crts\ucrt\src\appcrt\time\wcsftime.cpp(971) : Assertion failed:
-//  timeptr->tm_year >= -1900 && timeptr->tm_year <= 8099
-#ifndef _WIN32
-TEST(chrono_test, format_tm_future) {
-  auto tm = std::tm();
-  tm.tm_year = 10445;  // 10000+ years
-  tm.tm_mon = 3;
-  tm.tm_mday = 25;
-  tm.tm_hour = 11;
-  tm.tm_min = 22;
-  tm.tm_sec = 33;
-  EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
-            "The date is 12345-04-25 11:22:33.");
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "12345");
-  EXPECT_EQ(fmt::format("{:%C}", tm), "123");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm));
-  EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/45");
-  EXPECT_EQ(fmt::format("{:%F}", tm), "12345-04-25");
-  EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
-}
-
-TEST(chrono_test, format_tm_past) {
-  auto tm = std::tm();
-  tm.tm_year = -2001;
-  tm.tm_mon = 3;
-  tm.tm_mday = 25;
-  tm.tm_hour = 11;
-  tm.tm_min = 22;
-  tm.tm_sec = 33;
-  EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
-            "The date is -101-04-25 11:22:33.");
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "-101");
-
-  // macOS  %C - "-1"
-  // Linux  %C - "-2"
-  // fmt    %C - "-1"
-  EXPECT_EQ(fmt::format("{:%C}", tm), "-1");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm));
-
-  // macOS  %D - "04/25/01" (%y)
-  // Linux  %D - "04/25/99" (%y)
-  // fmt    %D - "04/25/01" (%y)
-  EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/01");
-
-  EXPECT_EQ(fmt::format("{:%F}", tm), "-101-04-25");
-  EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
-
-  tm.tm_year = -1901;  // -1
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "-001");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm));
-
-  tm.tm_year = -1911;  // -11
-  EXPECT_EQ(fmt::format("{:%Y}", tm), "-011");
-  EXPECT_EQ(fmt::format("{:%C%y}", tm), fmt::format("{:%Y}", tm));
-}
-#endif
-
-TEST(chrono_test, grow_buffer) {
-  auto s = std::string("{:");
-  for (int i = 0; i < 30; ++i) s += "%c";
-  s += "}\n";
-  auto t = std::time(nullptr);
-  (void)fmt::format(fmt::runtime(s), *std::localtime(&t));
-}
-
-TEST(chrono_test, format_to_empty_container) {
-  auto time = std::tm();
-  time.tm_sec = 42;
-  auto s = std::string();
-  fmt::format_to(std::back_inserter(s), "{:%S}", time);
-  EXPECT_EQ(s, "42");
-}
-
-TEST(chrono_test, empty_result) { EXPECT_EQ(fmt::format("{}", std::tm()), ""); }
-
-auto equal(const std::tm& lhs, const std::tm& rhs) -> bool {
-  return lhs.tm_sec == rhs.tm_sec && lhs.tm_min == rhs.tm_min &&
-         lhs.tm_hour == rhs.tm_hour && lhs.tm_mday == rhs.tm_mday &&
-         lhs.tm_mon == rhs.tm_mon && lhs.tm_year == rhs.tm_year &&
-         lhs.tm_wday == rhs.tm_wday && lhs.tm_yday == rhs.tm_yday &&
-         lhs.tm_isdst == rhs.tm_isdst;
-}
-
-TEST(chrono_test, localtime) {
-  auto t = std::time(nullptr);
-  auto tm = *std::localtime(&t);
-  EXPECT_TRUE(equal(tm, fmt::localtime(t)));
-}
-
-TEST(chrono_test, gmtime) {
-  auto t = std::time(nullptr);
-  auto tm = *std::gmtime(&t);
-  EXPECT_TRUE(equal(tm, fmt::gmtime(t)));
-}
-
-template <typename TimePoint> auto strftime_full(TimePoint tp) -> std::string {
-  auto t = std::chrono::system_clock::to_time_t(tp);
-  auto tm = *std::localtime(&t);
-  return system_strftime("%Y-%m-%d %H:%M:%S", &tm);
-}
-
-TEST(chrono_test, time_point) {
-  auto t1 = std::chrono::system_clock::now();
-  EXPECT_EQ(strftime_full(t1), fmt::format("{:%Y-%m-%d %H:%M:%S}", t1));
-  EXPECT_EQ(strftime_full(t1), fmt::format("{}", t1));
-  using time_point =
-      std::chrono::time_point<std::chrono::system_clock, std::chrono::seconds>;
-  auto t2 = time_point(std::chrono::seconds(42));
-  EXPECT_EQ(strftime_full(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2));
-
-  std::vector<std::string> spec_list = {
-      "%%",  "%n",  "%t",  "%Y",  "%EY", "%y",  "%Oy", "%Ey", "%C",
-      "%EC", "%G",  "%g",  "%b",  "%h",  "%B",  "%m",  "%Om", "%U",
-      "%OU", "%W",  "%OW", "%V",  "%OV", "%j",  "%d",  "%Od", "%e",
-      "%Oe", "%a",  "%A",  "%w",  "%Ow", "%u",  "%Ou", "%H",  "%OH",
-      "%I",  "%OI", "%M",  "%OM", "%S",  "%OS", "%x",  "%Ex", "%X",
-      "%EX", "%D",  "%F",  "%R",  "%T",  "%p",  "%z",  "%Z"};
-#ifndef _WIN32
-  // Disabled on Windows because these formats are not consistent among
-  // platforms.
-  spec_list.insert(spec_list.end(), {"%c", "%Ec", "%r"});
-#elif defined(__MINGW32__) && !defined(_UCRT)
-  // Only C89 conversion specifiers when using MSVCRT instead of UCRT
-  spec_list = {"%%", "%Y", "%y", "%b", "%B", "%m", "%U", "%W", "%j", "%d", "%a",
-               "%A", "%w", "%H", "%I", "%M", "%S", "%x", "%X", "%p", "%Z"};
-#endif
-  spec_list.push_back("%Y-%m-%d %H:%M:%S");
-
-  for (const auto& spec : spec_list) {
-    auto t = std::chrono::system_clock::to_time_t(t1);
-    auto tm = *std::localtime(&t);
-
-    auto sys_output = system_strftime(spec, &tm);
-
-    auto fmt_spec = fmt::format("{{:{}}}", spec);
-    EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t1));
-    EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm));
-  }
-}
-
-#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
-
-TEST(chrono_test, format_default) {
-  EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42)));
-  EXPECT_EQ("42as",
-            fmt::format("{}", std::chrono::duration<int, std::atto>(42)));
-  EXPECT_EQ("42fs",
-            fmt::format("{}", std::chrono::duration<int, std::femto>(42)));
-  EXPECT_EQ("42ps",
-            fmt::format("{}", std::chrono::duration<int, std::pico>(42)));
-  EXPECT_EQ("42ns", fmt::format("{}", std::chrono::nanoseconds(42)));
-  EXPECT_EQ("42µs", fmt::format("{}", std::chrono::microseconds(42)));
-  EXPECT_EQ("42ms", fmt::format("{}", std::chrono::milliseconds(42)));
-  EXPECT_EQ("42cs",
-            fmt::format("{}", std::chrono::duration<int, std::centi>(42)));
-  EXPECT_EQ("42ds",
-            fmt::format("{}", std::chrono::duration<int, std::deci>(42)));
-  EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds(42)));
-  EXPECT_EQ("42das",
-            fmt::format("{}", std::chrono::duration<int, std::deca>(42)));
-  EXPECT_EQ("42hs",
-            fmt::format("{}", std::chrono::duration<int, std::hecto>(42)));
-  EXPECT_EQ("42ks",
-            fmt::format("{}", std::chrono::duration<int, std::kilo>(42)));
-  EXPECT_EQ("42Ms",
-            fmt::format("{}", std::chrono::duration<int, std::mega>(42)));
-  EXPECT_EQ("42Gs",
-            fmt::format("{}", std::chrono::duration<int, std::giga>(42)));
-  EXPECT_EQ("42Ts",
-            fmt::format("{}", std::chrono::duration<int, std::tera>(42)));
-  EXPECT_EQ("42Ps",
-            fmt::format("{}", std::chrono::duration<int, std::peta>(42)));
-  EXPECT_EQ("42Es",
-            fmt::format("{}", std::chrono::duration<int, std::exa>(42)));
-  EXPECT_EQ("42m", fmt::format("{}", std::chrono::minutes(42)));
-  EXPECT_EQ("42h", fmt::format("{}", std::chrono::hours(42)));
-  EXPECT_EQ(
-      "42[15]s",
-      fmt::format("{}", std::chrono::duration<int, std::ratio<15, 1>>(42)));
-  EXPECT_EQ(
-      "42[15/4]s",
-      fmt::format("{}", std::chrono::duration<int, std::ratio<15, 4>>(42)));
-}
-
-TEST(chrono_test, align) {
-  auto s = std::chrono::seconds(42);
-  EXPECT_EQ("42s  ", fmt::format("{:5}", s));
-  EXPECT_EQ("42s  ", fmt::format("{:{}}", s, 5));
-  EXPECT_EQ("  42s", fmt::format("{:>5}", s));
-  EXPECT_EQ("**42s**", fmt::format("{:*^7}", s));
-  EXPECT_EQ("03:25:45    ",
-            fmt::format("{:12%H:%M:%S}", std::chrono::seconds(12345)));
-  EXPECT_EQ("    03:25:45",
-            fmt::format("{:>12%H:%M:%S}", std::chrono::seconds(12345)));
-  EXPECT_EQ("~~03:25:45~~",
-            fmt::format("{:~^12%H:%M:%S}", std::chrono::seconds(12345)));
-  EXPECT_EQ("03:25:45    ",
-            fmt::format("{:{}%H:%M:%S}", std::chrono::seconds(12345), 12));
-}
-
-TEST(chrono_test, format_specs) {
-  EXPECT_EQ("%", fmt::format("{:%%}", std::chrono::seconds(0)));
-  EXPECT_EQ("\n", fmt::format("{:%n}", std::chrono::seconds(0)));
-  EXPECT_EQ("\t", fmt::format("{:%t}", std::chrono::seconds(0)));
-  EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(0)));
-  EXPECT_EQ("00", fmt::format("{:%S}", std::chrono::seconds(60)));
-  EXPECT_EQ("42", fmt::format("{:%S}", std::chrono::seconds(42)));
-  EXPECT_EQ("01.234", fmt::format("{:%S}", std::chrono::milliseconds(1234)));
-  EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(0)));
-  EXPECT_EQ("00", fmt::format("{:%M}", std::chrono::minutes(60)));
-  EXPECT_EQ("42", fmt::format("{:%M}", std::chrono::minutes(42)));
-  EXPECT_EQ("01", fmt::format("{:%M}", std::chrono::seconds(61)));
-  EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(0)));
-  EXPECT_EQ("00", fmt::format("{:%H}", std::chrono::hours(24)));
-  EXPECT_EQ("14", fmt::format("{:%H}", std::chrono::hours(14)));
-  EXPECT_EQ("01", fmt::format("{:%H}", std::chrono::minutes(61)));
-  EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(0)));
-  EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(12)));
-  EXPECT_EQ("12", fmt::format("{:%I}", std::chrono::hours(24)));
-  EXPECT_EQ("04", fmt::format("{:%I}", std::chrono::hours(4)));
-  EXPECT_EQ("02", fmt::format("{:%I}", std::chrono::hours(14)));
-  EXPECT_EQ("03:25:45",
-            fmt::format("{:%H:%M:%S}", std::chrono::seconds(12345)));
-  EXPECT_EQ("03:25", fmt::format("{:%R}", std::chrono::seconds(12345)));
-  EXPECT_EQ("03:25:45", fmt::format("{:%T}", std::chrono::seconds(12345)));
-  EXPECT_EQ("12345", fmt::format("{:%Q}", std::chrono::seconds(12345)));
-  EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(12345)));
-}
-
-TEST(chrono_test, invalid_specs) {
-  auto sec = std::chrono::seconds(0);
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%a}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%A}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%c}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%x}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Ex}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%X}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%EX}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%D}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%F}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Ec}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%w}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%u}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%b}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%B}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%z}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Z}"), sec), fmt::format_error,
-                   "no date");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Eq}"), sec), fmt::format_error,
-                   "invalid format");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:%Oq}"), sec), fmt::format_error,
-                   "invalid format");
-}
-
-auto format_tm(const std::tm& time, fmt::string_view spec,
-               const std::locale& loc) -> std::string {
-  auto& facet = std::use_facet<std::time_put<char>>(loc);
-  std::ostringstream os;
-  os.imbue(loc);
-  facet.put(os, os, ' ', &time, spec.begin(), spec.end());
-  return os.str();
-}
-
-TEST(chrono_test, locale) {
-  auto loc = get_locale("ja_JP.utf8");
-  if (loc == std::locale::classic()) return;
-#  define EXPECT_TIME(spec, time, duration)                     \
-    {                                                           \
-      auto jp_loc = std::locale("ja_JP.utf8");                  \
-      EXPECT_EQ(format_tm(time, spec, jp_loc),                  \
-                fmt::format(jp_loc, "{:L" spec "}", duration)); \
-    }
-  EXPECT_TIME("%OH", make_hour(14), std::chrono::hours(14));
-  EXPECT_TIME("%OI", make_hour(14), std::chrono::hours(14));
-  EXPECT_TIME("%OM", make_minute(42), std::chrono::minutes(42));
-  EXPECT_TIME("%OS", make_second(42), std::chrono::seconds(42));
-  auto time = make_tm();
-  time.tm_hour = 3;
-  time.tm_min = 25;
-  time.tm_sec = 45;
-  auto sec = std::chrono::seconds(12345);
-  EXPECT_TIME("%r", time, sec);
-  EXPECT_TIME("%p", time, sec);
-}
-
-using dms = std::chrono::duration<double, std::milli>;
-
-TEST(chrono_test, format_default_fp) {
-  typedef std::chrono::duration<float> fs;
-  EXPECT_EQ("1.234s", fmt::format("{}", fs(1.234)));
-  typedef std::chrono::duration<float, std::milli> fms;
-  EXPECT_EQ("1.234ms", fmt::format("{}", fms(1.234)));
-  typedef std::chrono::duration<double> ds;
-  EXPECT_EQ("1.234s", fmt::format("{}", ds(1.234)));
-  EXPECT_EQ("1.234ms", fmt::format("{}", dms(1.234)));
-}
-
-TEST(chrono_test, format_precision) {
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{:.2}"), std::chrono::seconds(42)),
-      fmt::format_error, "precision not allowed for this argument type");
-  EXPECT_EQ("1ms", fmt::format("{:.0}", dms(1.234)));
-  EXPECT_EQ("1.2ms", fmt::format("{:.1}", dms(1.234)));
-  EXPECT_EQ("1.23ms", fmt::format("{:.{}}", dms(1.234), 2));
-
-  EXPECT_EQ("13ms", fmt::format("{:.0}", dms(12.56)));
-  EXPECT_EQ("12.6ms", fmt::format("{:.1}", dms(12.56)));
-  EXPECT_EQ("12.56ms", fmt::format("{:.2}", dms(12.56)));
-}
-
-TEST(chrono_test, format_full_specs) {
-  EXPECT_EQ("1ms   ", fmt::format("{:6.0}", dms(1.234)));
-  EXPECT_EQ("1.2ms ", fmt::format("{:6.1}", dms(1.234)));
-  EXPECT_EQ("  1.23ms", fmt::format("{:>8.{}}", dms(1.234), 2));
-  EXPECT_EQ(" 1.2ms ", fmt::format("{:^{}.{}}", dms(1.234), 7, 1));
-  EXPECT_EQ(" 1.23ms ", fmt::format("{0:^{2}.{1}}", dms(1.234), 2, 8));
-  EXPECT_EQ("=1.234ms=", fmt::format("{:=^{}.{}}", dms(1.234), 9, 3));
-  EXPECT_EQ("*1.2340ms*", fmt::format("{:*^10.4}", dms(1.234)));
-
-  EXPECT_EQ("13ms  ", fmt::format("{:6.0}", dms(12.56)));
-  EXPECT_EQ("    13ms", fmt::format("{:>8.{}}", dms(12.56), 0));
-  EXPECT_EQ(" 13ms ", fmt::format("{:^{}.{}}", dms(12.56), 6, 0));
-  EXPECT_EQ("  13ms  ", fmt::format("{0:^{2}.{1}}", dms(12.56), 0, 8));
-  EXPECT_EQ("==13ms===", fmt::format("{:=^{}.{}}", dms(12.56), 9, 0));
-  EXPECT_EQ("***13ms***", fmt::format("{:*^10.0}", dms(12.56)));
-}
-
-TEST(chrono_test, format_simple_q) {
-  typedef std::chrono::duration<float> fs;
-  EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", fs(1.234)));
-  typedef std::chrono::duration<float, std::milli> fms;
-  EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", fms(1.234)));
-  typedef std::chrono::duration<double> ds;
-  EXPECT_EQ("1.234 s", fmt::format("{:%Q %q}", ds(1.234)));
-  EXPECT_EQ("1.234 ms", fmt::format("{:%Q %q}", dms(1.234)));
-}
-
-TEST(chrono_test, format_precision_q) {
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{:.2%Q %q}"), std::chrono::seconds(42)),
-      fmt::format_error, "precision not allowed for this argument type");
-  EXPECT_EQ("1.2 ms", fmt::format("{:.1%Q %q}", dms(1.234)));
-  EXPECT_EQ("1.23 ms", fmt::format("{:.{}%Q %q}", dms(1.234), 2));
-}
-
-TEST(chrono_test, format_full_specs_q) {
-  EXPECT_EQ("1 ms   ", fmt::format("{:7.0%Q %q}", dms(1.234)));
-  EXPECT_EQ("1.2 ms ", fmt::format("{:7.1%Q %q}", dms(1.234)));
-  EXPECT_EQ(" 1.23 ms", fmt::format("{:>8.{}%Q %q}", dms(1.234), 2));
-  EXPECT_EQ(" 1.2 ms ", fmt::format("{:^{}.{}%Q %q}", dms(1.234), 8, 1));
-  EXPECT_EQ(" 1.23 ms ", fmt::format("{0:^{2}.{1}%Q %q}", dms(1.234), 2, 9));
-  EXPECT_EQ("=1.234 ms=", fmt::format("{:=^{}.{}%Q %q}", dms(1.234), 10, 3));
-  EXPECT_EQ("*1.2340 ms*", fmt::format("{:*^11.4%Q %q}", dms(1.234)));
-
-  EXPECT_EQ("13 ms  ", fmt::format("{:7.0%Q %q}", dms(12.56)));
-  EXPECT_EQ("   13 ms", fmt::format("{:>8.{}%Q %q}", dms(12.56), 0));
-  EXPECT_EQ(" 13 ms  ", fmt::format("{:^{}.{}%Q %q}", dms(12.56), 8, 0));
-  EXPECT_EQ("  13 ms  ", fmt::format("{0:^{2}.{1}%Q %q}", dms(12.56), 0, 9));
-  EXPECT_EQ("==13 ms==", fmt::format("{:=^{}.{}%Q %q}", dms(12.56), 9, 0));
-  EXPECT_EQ("***13 ms***", fmt::format("{:*^11.0%Q %q}", dms(12.56)));
-}
-
-TEST(chrono_test, invalid_width_id) {
-  EXPECT_THROW((void)fmt::format(runtime("{:{o}"), std::chrono::seconds(0)),
-               fmt::format_error);
-}
-
-TEST(chrono_test, invalid_colons) {
-  EXPECT_THROW((void)fmt::format(runtime("{0}=:{0::"), std::chrono::seconds(0)),
-               fmt::format_error);
-}
-
-TEST(chrono_test, negative_durations) {
-  EXPECT_EQ("-12345", fmt::format("{:%Q}", std::chrono::seconds(-12345)));
-  EXPECT_EQ("-03:25:45",
-            fmt::format("{:%H:%M:%S}", std::chrono::seconds(-12345)));
-  EXPECT_EQ("-00:01",
-            fmt::format("{:%M:%S}", std::chrono::duration<double>(-1)));
-  EXPECT_EQ("s", fmt::format("{:%q}", std::chrono::seconds(-12345)));
-  EXPECT_EQ("-00.127",
-            fmt::format("{:%S}",
-                        std::chrono::duration<signed char, std::milli>{-127}));
-  auto min = std::numeric_limits<int>::min();
-  EXPECT_EQ(fmt::format("{}", min),
-            fmt::format("{:%Q}", std::chrono::duration<int>(min)));
-}
-
-TEST(chrono_test, special_durations) {
-  auto value = fmt::format("{:%S}", std::chrono::duration<double>(1e20));
-  EXPECT_EQ(value, "40");
-  auto nan = std::numeric_limits<double>::quiet_NaN();
-  EXPECT_EQ(
-      "nan nan nan nan nan:nan nan",
-      fmt::format("{:%I %H %M %S %R %r}", std::chrono::duration<double>(nan)));
-  EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::exa>(1)),
-            "1Es");
-  EXPECT_EQ(fmt::format("{}", std::chrono::duration<float, std::atto>(1)),
-            "1as");
-  EXPECT_EQ(fmt::format("{:%R}", std::chrono::duration<char, std::mega>{2}),
-            "03:33");
-  EXPECT_EQ(fmt::format("{:%T}", std::chrono::duration<char, std::mega>{2}),
-            "03:33:20");
-  EXPECT_EQ("44.000000000000",
-            fmt::format("{:%S}", std::chrono::duration<float, std::pico>(
-                                     1.54213895E+26)));
-}
-
-TEST(chrono_test, unsigned_duration) {
-  EXPECT_EQ("42s", fmt::format("{}", std::chrono::duration<unsigned>(42)));
-}
-
-TEST(chrono_test, weekday) {
-  auto loc = get_locale("ru_RU.UTF-8");
-  std::locale::global(loc);
-  auto mon = fmt::weekday(1);
-
-  auto tm = std::tm();
-  tm.tm_wday = static_cast<int>(mon.c_encoding());
-
-  EXPECT_EQ(fmt::format("{}", mon), "Mon");
-  EXPECT_EQ(fmt::format("{:%a}", tm), "Mon");
-
-  if (loc != std::locale::classic()) {
-    EXPECT_THAT((std::vector<std::string>{"пн", "Пн", "пнд", "Пнд"}),
-                Contains(fmt::format(loc, "{:L}", mon)));
-    EXPECT_THAT((std::vector<std::string>{"пн", "Пн", "пнд", "Пнд"}),
-                Contains(fmt::format(loc, "{:%a}", tm)));
-  }
-}
-
-TEST(chrono_test, cpp20_duration_subsecond_support) {
-  using attoseconds = std::chrono::duration<long long, std::atto>;
-  // Check that 18 digits of subsecond precision are supported.
-  EXPECT_EQ(fmt::format("{:%S}", attoseconds{999999999999999999}),
-            "00.999999999999999999");
-  EXPECT_EQ(fmt::format("{:%S}", attoseconds{673231113420148734}),
-            "00.673231113420148734");
-  EXPECT_EQ(fmt::format("{:%S}", attoseconds{-673231113420148734}),
-            "-00.673231113420148734");
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::nanoseconds{13420148734}),
-            "13.420148734");
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::nanoseconds{-13420148734}),
-            "-13.420148734");
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::milliseconds{1234}), "01.234");
-  {
-    // Check that {:%H:%M:%S} is equivalent to {:%T}.
-    auto dur = std::chrono::milliseconds{3601234};
-    auto formatted_dur = fmt::format("{:%T}", dur);
-    EXPECT_EQ(formatted_dur, "01:00:01.234");
-    EXPECT_EQ(fmt::format("{:%H:%M:%S}", dur), formatted_dur);
-  }
-  using nanoseconds_dbl = std::chrono::duration<double, std::nano>;
-  EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{-123456789}), "-00.123456789");
-  EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{9123456789}), "09.123456789");
-  // Verify that only the seconds part is extracted and printed.
-  EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{99123456789}), "39.123456789");
-  EXPECT_EQ(fmt::format("{:%S}", nanoseconds_dbl{99123000000}), "39.123000000");
-  {
-    // Now the hour is printed, and we also test if negative doubles work.
-    auto dur = nanoseconds_dbl{-99123456789};
-    auto formatted_dur = fmt::format("{:%T}", dur);
-    EXPECT_EQ(formatted_dur, "-00:01:39.123456789");
-    EXPECT_EQ(fmt::format("{:%H:%M:%S}", dur), formatted_dur);
-  }
-  // Check that durations with precision greater than std::chrono::seconds have
-  // fixed precision, and print zeros even if there is no fractional part.
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::microseconds{7000000}),
-            "07.000000");
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::duration<long long, std::ratio<1, 3>>(1)),
-            "00.333333");
-  EXPECT_EQ(fmt::format("{:%S}", std::chrono::duration<long long, std::ratio<1, 7>>(1)),
-            "00.142857");
-}
-
-#endif  // FMT_STATIC_THOUSANDS_SEPARATOR
diff --git a/third_party/fmt-9.1.0/test/color-test.cc b/third_party/fmt-9.1.0/test/color-test.cc
deleted file mode 100644
index c2ba13a9..00000000
--- a/third_party/fmt-9.1.0/test/color-test.cc
+++ /dev/null
@@ -1,72 +0,0 @@
-// Formatting library for C++ - color tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/color.h"
-
-#include <iterator>  // std::back_inserter
-
-#include "gtest-extra.h"  // EXPECT_WRITE
-
-TEST(color_test, format) {
-  EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
-            "\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
-  EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue"),
-            "\x1b[38;2;000;000;255mblue\x1b[0m");
-  EXPECT_EQ(
-      fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), "two color"),
-      "\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold"), "\x1b[1mbold\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::faint, "faint"), "\x1b[2mfaint\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::italic, "italic"),
-            "\x1b[3mitalic\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::underline, "underline"),
-            "\x1b[4munderline\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::blink, "blink"), "\x1b[5mblink\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::reverse, "reverse"),
-            "\x1b[7mreverse\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::conceal, "conceal"),
-            "\x1b[8mconceal\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::strikethrough, "strikethrough"),
-            "\x1b[9mstrikethrough\x1b[0m");
-  EXPECT_EQ(
-      fmt::format(fg(fmt::color::blue) | fmt::emphasis::bold, "blue/bold"),
-      "\x1b[1m\x1b[38;2;000;000;255mblue/bold\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold error"),
-            "\x1b[1mbold error\x1b[0m");
-  EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue log"),
-            "\x1b[38;2;000;000;255mblue log\x1b[0m");
-  EXPECT_EQ(fmt::format(fmt::text_style(), "hi"), "hi");
-  EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "tred"),
-            "\x1b[31mtred\x1b[0m");
-  EXPECT_EQ(fmt::format(bg(fmt::terminal_color::cyan), "tcyan"),
-            "\x1b[46mtcyan\x1b[0m");
-  EXPECT_EQ(fmt::format(fg(fmt::terminal_color::bright_green), "tbgreen"),
-            "\x1b[92mtbgreen\x1b[0m");
-  EXPECT_EQ(fmt::format(bg(fmt::terminal_color::bright_magenta), "tbmagenta"),
-            "\x1b[105mtbmagenta\x1b[0m");
-  EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "{}", "foo"),
-            "\x1b[31mfoo\x1b[0m");
-  EXPECT_EQ(fmt::format("{}{}", fmt::styled("red", fg(fmt::color::red)),
-                        fmt::styled("bold", fmt::emphasis::bold)),
-            "\x1b[38;2;255;000;000mred\x1b[0m\x1b[1mbold\x1b[0m");
-  EXPECT_EQ(fmt::format("{}", fmt::styled("bar", fg(fmt::color::blue) |
-                                                     fmt::emphasis::underline)),
-            "\x1b[4m\x1b[38;2;000;000;255mbar\x1b[0m");
-}
-
-TEST(color_test, format_to) {
-  auto out = std::string();
-  fmt::format_to(std::back_inserter(out), fg(fmt::rgb(255, 20, 30)),
-                 "rgb(255,20,30){}{}{}", 1, 2, 3);
-  EXPECT_EQ(fmt::to_string(out),
-            "\x1b[38;2;255;020;030mrgb(255,20,30)123\x1b[0m");
-}
-
-TEST(color_test, print) {
-  EXPECT_WRITE(stdout, fmt::print(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
-               "\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
-}
diff --git a/third_party/fmt-9.1.0/test/compile-error-test/CMakeLists.txt b/third_party/fmt-9.1.0/test/compile-error-test/CMakeLists.txt
deleted file mode 100644
index 9c65dfdc..00000000
--- a/third_party/fmt-9.1.0/test/compile-error-test/CMakeLists.txt
+++ /dev/null
@@ -1,241 +0,0 @@
-# Test if compile errors are produced where necessary.
-
-cmake_minimum_required(VERSION 3.1...3.18)
-project(compile-error-test CXX)
-
-set(fmt_headers "
-  #include <fmt/format.h>
-  #include <fmt/xchar.h>
-  #include <fmt/ostream.h>
-  #include <iostream>
-")
-
-set(error_test_names "")
-set(non_error_test_content "")
-
-# For error tests (we expect them to produce compilation error):
-#  * adds a name of test into `error_test_names` list
-#  * generates a single source file (with the same name) for each test
-# For non-error tests (we expect them to compile successfully):
-#  * adds a code segment as separate function to `non_error_test_content`
-function (expect_compile name code_fragment)
-  cmake_parse_arguments(EXPECT_COMPILE "ERROR" "" "" ${ARGN})
-  string(MAKE_C_IDENTIFIER "${name}" test_name)
-
-  if (EXPECT_COMPILE_ERROR)
-    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/${test_name}.cc" "
-      ${fmt_headers}
-      void ${test_name}() {
-        ${code_fragment}
-      }
-    ")
-    set(error_test_names_copy "${error_test_names}")
-    list(APPEND error_test_names_copy "${test_name}")
-    set(error_test_names "${error_test_names_copy}" PARENT_SCOPE)
-  else()
-    set(non_error_test_content "
-      ${non_error_test_content}
-      void ${test_name}() {
-        ${code_fragment}
-      }" PARENT_SCOPE)
-  endif()
-endfunction ()
-
-# Generates a source file for non-error test with `non_error_test_content` and
-# CMake project file with all error and single non-error test targets.
-function (run_tests)
-  set(cmake_targets "")
-  foreach(test_name IN LISTS error_test_names)
-    set(cmake_targets "
-      ${cmake_targets}
-      add_library(test-${test_name} ${test_name}.cc)
-      target_link_libraries(test-${test_name} PRIVATE fmt::fmt)
-    ")
-  endforeach()
-
-  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/non_error_test.cc" "
-    ${fmt_headers}
-    ${non_error_test_content}
-  ")
-  set(cmake_targets "
-    ${cmake_targets}
-    add_library(non-error-test non_error_test.cc)
-    target_link_libraries(non-error-test PRIVATE fmt::fmt)
-  ")
-
-  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/CMakeLists.txt" "
-    cmake_minimum_required(VERSION 3.1...3.18)
-    project(tests CXX)
-    add_subdirectory(${FMT_DIR} fmt)
-    ${cmake_targets}
-  ")
-
-  set(build_directory "${CMAKE_CURRENT_BINARY_DIR}/test/build")
-  file(MAKE_DIRECTORY "${build_directory}")
-  execute_process(
-    COMMAND
-      "${CMAKE_COMMAND}"
-      "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-      "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
-      "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-      "-DCMAKE_GENERATOR=${CMAKE_GENERATOR}"
-      "-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}"
-      "-DFMT_DIR=${FMT_DIR}"
-      "${CMAKE_CURRENT_BINARY_DIR}/test"
-    WORKING_DIRECTORY "${build_directory}"
-    RESULT_VARIABLE result_var
-    OUTPUT_VARIABLE output_var
-    ERROR_VARIABLE output_var)
-  if (NOT result_var EQUAL 0)
-    message(FATAL_ERROR "Unable to configure:\n${output_var}")
-  endif()
-
-  foreach(test_name IN LISTS error_test_names)
-    execute_process(
-      COMMAND
-        "${CMAKE_COMMAND}" --build "${build_directory}" --target "test-${test_name}"
-      WORKING_DIRECTORY "${build_directory}"
-      RESULT_VARIABLE result_var
-      OUTPUT_VARIABLE output_var
-      ERROR_QUIET)
-    if (result_var EQUAL 0)
-      message(SEND_ERROR "No compile error for \"${test_name}\":\n${output_var}")
-    endif ()
-  endforeach()
-
-  execute_process(
-    COMMAND
-      "${CMAKE_COMMAND}" --build "${build_directory}" --target "non-error-test"
-    WORKING_DIRECTORY "${build_directory}"
-    RESULT_VARIABLE result_var
-    OUTPUT_VARIABLE output_var
-    ERROR_VARIABLE output_var)
-  if (NOT result_var EQUAL 0)
-    message(SEND_ERROR "Compile error for combined non-error test:\n${output_var}")
-  endif ()
-endfunction ()
-
-
-# check if the source file skeleton compiles
-expect_compile(check "")
-expect_compile(check-error "compilation_error" ERROR)
-
-# Formatting a wide character with a narrow format string is forbidden.
-expect_compile(wide-character-narrow-format-string "fmt::format(L\"{}\", L'a');")
-expect_compile(wide-character-narrow-format-string-error "fmt::format(\"{}\", L'a');" ERROR)
-
-# Formatting a wide string with a narrow format string is forbidden.
-expect_compile(wide-string-narrow-format-string "fmt::format(L\"{}\", L\"foo\");")
-expect_compile(wide-string-narrow-format-string-error "fmt::format(\"{}\", L\"foo\");" ERROR)
-
-# Formatting a narrow string with a wide format string is forbidden because
-# mixing UTF-8 with UTF-16/32 can result in an invalid output.
-expect_compile(narrow-string-wide-format-string "fmt::format(L\"{}\", L\"foo\");")
-expect_compile(narrow-string-wide-format-string-error "fmt::format(L\"{}\", \"foo\");" ERROR)
-
-expect_compile(cast-to-string "
-  struct S {
-    operator std::string() const { return std::string(); }
-  };
-  fmt::format(\"{}\", std::string(S()));
-")
-expect_compile(cast-to-string-error "
-  struct S {
-    operator std::string() const { return std::string(); }
-  };
-  fmt::format(\"{}\", S());
-" ERROR)
-
-# Formatting a function
-expect_compile(format-function "
-  void (*f)();
-  fmt::format(\"{}\", fmt::ptr(f));
-")
-expect_compile(format-function-error "
-  void (*f)();
-  fmt::format(\"{}\", f);
-" ERROR)
-
-# Formatting an unformattable argument should always be a compile time error
-expect_compile(format-lots-of-arguments-with-unformattable "
-  struct E {};
-  fmt::format(\"\", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, E());
-" ERROR)
-expect_compile(format-lots-of-arguments-with-function "
-  void (*f)();
-  fmt::format(\"\", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, f);
-" ERROR)
-
-# Check if user-defined literals are available
-include(CheckCXXSourceCompiles)
-set(CMAKE_REQUIRED_FLAGS ${CXX_STANDARD_FLAG})
-check_cxx_source_compiles("
-  void operator\"\" _udl(long double);
-  int main() {}"
-  SUPPORTS_USER_DEFINED_LITERALS)
-set(CMAKE_REQUIRED_FLAGS )
-if (NOT SUPPORTS_USER_DEFINED_LITERALS)
-  set (SUPPORTS_USER_DEFINED_LITERALS OFF)
-endif ()
-
-# Make sure that compiler features detected in the header
-# match the features detected in CMake.
-if (SUPPORTS_USER_DEFINED_LITERALS)
-  set(supports_udl 1)
-else ()
-  set(supports_udl 0)
-endif ()
-expect_compile(udl-check "
-  #if FMT_USE_USER_DEFINED_LITERALS != ${supports_udl}
-  # error
-  #endif
-")
-
-if (CMAKE_CXX_STANDARD GREATER_EQUAL 20)
-  # Compile-time argument type check
-  expect_compile(format-string-number-spec "
-    #ifdef FMT_HAS_CONSTEVAL
-      fmt::format(\"{:d}\", 42);
-    #endif
-  ")
-  expect_compile(format-string-number-spec-error "
-    #ifdef FMT_HAS_CONSTEVAL
-      fmt::format(\"{:d}\", \"I am not a number\");
-    #else
-      #error
-    #endif
-  " ERROR)
-  expect_compile(print-string-number-spec-error "
-    #ifdef FMT_HAS_CONSTEVAL
-      fmt::print(\"{:d}\", \"I am not a number\");
-    #else
-      #error
-    #endif
-  " ERROR)
-  expect_compile(print-stream-string-number-spec-error "
-  #ifdef FMT_HAS_CONSTEVAL
-    fmt::print(std::cout, \"{:d}\", \"I am not a number\");
-  #else
-    #error
-  #endif
-  " ERROR)
-
-  # Compile-time argument name check
-  expect_compile(format-string-name "
-    #if defined(FMT_HAS_CONSTEVAL) && FMT_USE_NONTYPE_TEMPLATE_ARGS
-      using namespace fmt::literals;
-      fmt::print(\"{foo}\", \"foo\"_a=42);
-    #endif
-  ")
-  expect_compile(format-string-name-error "
-    #if defined(FMT_HAS_CONSTEVAL) && FMT_USE_NONTYPE_TEMPLATE_ARGS
-      using namespace fmt::literals;
-      fmt::print(\"{foo}\", \"bar\"_a=42);
-    #else
-      #error
-    #endif
-  " ERROR)
-endif ()
-
-# Run all tests
-run_tests()
diff --git a/third_party/fmt-9.1.0/test/compile-fp-test.cc b/third_party/fmt-9.1.0/test/compile-fp-test.cc
deleted file mode 100644
index db0cd906..00000000
--- a/third_party/fmt-9.1.0/test/compile-fp-test.cc
+++ /dev/null
@@ -1,62 +0,0 @@
-// Formatting library for C++ - formatting library tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/compile.h"
-#include "gmock/gmock.h"
-
-#if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806 && \
-    defined(__cpp_constexpr) && __cpp_constexpr >= 201907 &&       \
-    defined(__cpp_constexpr_dynamic_alloc) &&                      \
-    __cpp_constexpr_dynamic_alloc >= 201907 && FMT_CPLUSPLUS >= 202002L
-template <size_t max_string_length, typename Char = char> struct test_string {
-  template <typename T> constexpr bool operator==(const T& rhs) const noexcept {
-    return fmt::basic_string_view<Char>(rhs).compare(buffer) == 0;
-  }
-  Char buffer[max_string_length]{};
-};
-
-template <size_t max_string_length, typename Char = char, typename... Args>
-consteval auto test_format(auto format, const Args&... args) {
-  test_string<max_string_length, Char> string{};
-  fmt::format_to(string.buffer, format, args...);
-  return string;
-}
-
-TEST(compile_time_formatting_test, floating_point) {
-  EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{}"), 0.0f));
-  EXPECT_EQ("392.500000", test_format<11>(FMT_COMPILE("{0:f}"), 392.5f));
-
-  EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:}"), 0.0));
-  EXPECT_EQ("0.000000", test_format<9>(FMT_COMPILE("{:f}"), 0.0));
-  EXPECT_EQ("0", test_format<2>(FMT_COMPILE("{:g}"), 0.0));
-  EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:}"), 392.65));
-  EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:g}"), 392.65));
-  EXPECT_EQ("392.65", test_format<7>(FMT_COMPILE("{:G}"), 392.65));
-  EXPECT_EQ("4.9014e+06", test_format<11>(FMT_COMPILE("{:g}"), 4.9014e6));
-  EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:f}"), -392.65));
-  EXPECT_EQ("-392.650000", test_format<12>(FMT_COMPILE("{:F}"), -392.65));
-
-  EXPECT_EQ("3.926500e+02", test_format<13>(FMT_COMPILE("{0:e}"), 392.65));
-  EXPECT_EQ("3.926500E+02", test_format<13>(FMT_COMPILE("{0:E}"), 392.65));
-  EXPECT_EQ("+0000392.6", test_format<11>(FMT_COMPILE("{0:+010.4g}"), 392.65));
-  EXPECT_EQ("9223372036854775808.000000",
-            test_format<27>(FMT_COMPILE("{:f}"), 9223372036854775807.0));
-
-  constexpr double nan = std::numeric_limits<double>::quiet_NaN();
-  EXPECT_EQ("nan", test_format<4>(FMT_COMPILE("{}"), nan));
-  EXPECT_EQ("+nan", test_format<5>(FMT_COMPILE("{:+}"), nan));
-  if (std::signbit(-nan))
-    EXPECT_EQ("-nan", test_format<5>(FMT_COMPILE("{}"), -nan));
-  else
-    fmt::print("Warning: compiler doesn't handle negative NaN correctly");
-
-  constexpr double inf = std::numeric_limits<double>::infinity();
-  EXPECT_EQ("inf", test_format<4>(FMT_COMPILE("{}"), inf));
-  EXPECT_EQ("+inf", test_format<5>(FMT_COMPILE("{:+}"), inf));
-  EXPECT_EQ("-inf", test_format<5>(FMT_COMPILE("{}"), -inf));
-}
-#endif
diff --git a/third_party/fmt-9.1.0/test/compile-test.cc b/third_party/fmt-9.1.0/test/compile-test.cc
deleted file mode 100644
index 005c4993..00000000
--- a/third_party/fmt-9.1.0/test/compile-test.cc
+++ /dev/null
@@ -1,392 +0,0 @@
-// Formatting library for C++ - formatting library tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/compile.h"
-
-#include <type_traits>
-
-#include "fmt/chrono.h"
-#include "gmock/gmock.h"
-#include "gtest-extra.h"
-
-TEST(iterator_test, counting_iterator) {
-  auto it = fmt::detail::counting_iterator();
-  auto prev = it++;
-  EXPECT_EQ(prev.count(), 0);
-  EXPECT_EQ(it.count(), 1);
-  EXPECT_EQ((it + 41).count(), 42);
-}
-
-TEST(iterator_test, truncating_iterator) {
-  char* p = nullptr;
-  auto it = fmt::detail::truncating_iterator<char*>(p, 3);
-  auto prev = it++;
-  EXPECT_EQ(prev.base(), p);
-  EXPECT_EQ(it.base(), p + 1);
-}
-
-TEST(iterator_test, truncating_iterator_default_construct) {
-  auto it = fmt::detail::truncating_iterator<char*>();
-  EXPECT_EQ(nullptr, it.base());
-  EXPECT_EQ(std::size_t{0}, it.count());
-}
-
-#ifdef __cpp_lib_ranges
-TEST(iterator_test, truncating_iterator_is_output_iterator) {
-  static_assert(
-      std::output_iterator<fmt::detail::truncating_iterator<char*>, char>);
-}
-#endif
-
-TEST(iterator_test, truncating_back_inserter) {
-  auto buffer = std::string();
-  auto bi = std::back_inserter(buffer);
-  auto it = fmt::detail::truncating_iterator<decltype(bi)>(bi, 2);
-  *it++ = '4';
-  *it++ = '2';
-  *it++ = '1';
-  EXPECT_EQ(buffer.size(), 2);
-  EXPECT_EQ(buffer, "42");
-}
-
-TEST(compile_test, compile_fallback) {
-  // FMT_COMPILE should fallback on runtime formatting when `if constexpr` is
-  // not available.
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42));
-}
-
-struct type_with_get {
-  template <int> friend void get(type_with_get);
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<type_with_get> : formatter<int> {
-  template <typename FormatContext>
-  auto format(type_with_get, FormatContext& ctx) -> decltype(ctx.out()) {
-    return formatter<int>::format(42, ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(compile_test, compile_type_with_get) {
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), type_with_get()));
-}
-
-#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
-struct test_formattable {};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<test_formattable> : formatter<const char*> {
-  char word_spec = 'f';
-  constexpr auto parse(format_parse_context& ctx) {
-    auto it = ctx.begin(), end = ctx.end();
-    if (it == end || *it == '}') return it;
-    if (it != end && (*it == 'f' || *it == 'b')) word_spec = *it++;
-    if (it != end && *it != '}') throw format_error("invalid format");
-    return it;
-  }
-  template <typename FormatContext>
-  constexpr auto format(test_formattable, FormatContext& ctx) const
-      -> decltype(ctx.out()) {
-    return formatter<const char*>::format(word_spec == 'f' ? "foo" : "bar",
-                                          ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(compile_test, format_default) {
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42));
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42u));
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42ll));
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42ull));
-  EXPECT_EQ("true", fmt::format(FMT_COMPILE("{}"), true));
-  EXPECT_EQ("x", fmt::format(FMT_COMPILE("{}"), 'x'));
-  EXPECT_EQ("4.2", fmt::format(FMT_COMPILE("{}"), 4.2));
-  EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), "foo"));
-  EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), std::string("foo")));
-  EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), test_formattable()));
-  auto t = std::chrono::system_clock::now();
-  EXPECT_EQ(fmt::format("{}", t), fmt::format(FMT_COMPILE("{}"), t));
-#  ifdef __cpp_lib_byte
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), std::byte{42}));
-#  endif
-}
-
-TEST(compile_test, format_wide_string) {
-  EXPECT_EQ(L"42", fmt::format(FMT_COMPILE(L"{}"), 42));
-}
-
-TEST(compile_test, format_specs) {
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{:x}"), 0x42));
-  EXPECT_EQ("1.2 ms ",
-            fmt::format(FMT_COMPILE("{:7.1%Q %q}"),
-                        std::chrono::duration<double, std::milli>(1.234)));
-}
-
-TEST(compile_test, dynamic_format_specs) {
-  EXPECT_EQ("foo  ", fmt::format(FMT_COMPILE("{:{}}"), "foo", 5));
-  EXPECT_EQ("  3.14", fmt::format(FMT_COMPILE("{:{}.{}f}"), 3.141592, 6, 2));
-  EXPECT_EQ(
-      "=1.234ms=",
-      fmt::format(FMT_COMPILE("{:=^{}.{}}"),
-                  std::chrono::duration<double, std::milli>(1.234), 9, 3));
-}
-
-TEST(compile_test, manual_ordering) {
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{0}"), 42));
-  EXPECT_EQ(" -42", fmt::format(FMT_COMPILE("{0:4}"), -42));
-  EXPECT_EQ("41 43", fmt::format(FMT_COMPILE("{0} {1}"), 41, 43));
-  EXPECT_EQ("41 43", fmt::format(FMT_COMPILE("{1} {0}"), 43, 41));
-  EXPECT_EQ("41 43", fmt::format(FMT_COMPILE("{0} {2}"), 41, 42, 43));
-  EXPECT_EQ("  41   43", fmt::format(FMT_COMPILE("{1:{2}} {0:4}"), 43, 41, 4));
-  EXPECT_EQ("42 1.2 ms ",
-            fmt::format(FMT_COMPILE("{0} {1:7.1%Q %q}"), 42,
-                        std::chrono::duration<double, std::milli>(1.234)));
-  EXPECT_EQ(
-      "true 42 42 foo 0x1234 foo",
-      fmt::format(FMT_COMPILE("{0} {1} {2} {3} {4} {5}"), true, 42, 42.0f,
-                  "foo", reinterpret_cast<void*>(0x1234), test_formattable()));
-  EXPECT_EQ(L"42", fmt::format(FMT_COMPILE(L"{0}"), 42));
-}
-
-TEST(compile_test, named) {
-  auto runtime_named_field_compiled =
-      fmt::detail::compile<decltype(fmt::arg("arg", 42))>(FMT_COMPILE("{arg}"));
-  static_assert(std::is_same_v<decltype(runtime_named_field_compiled),
-                               fmt::detail::runtime_named_field<char>>);
-
-  EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), fmt::arg("arg", 42)));
-  EXPECT_EQ("41 43", fmt::format(FMT_COMPILE("{} {}"), fmt::arg("arg", 41),
-                                 fmt::arg("arg", 43)));
-
-  EXPECT_EQ("foobar",
-            fmt::format(FMT_COMPILE("{a0}{a1}"), fmt::arg("a0", "foo"),
-                        fmt::arg("a1", "bar")));
-  EXPECT_EQ("foobar", fmt::format(FMT_COMPILE("{}{a1}"), fmt::arg("a0", "foo"),
-                                  fmt::arg("a1", "bar")));
-  EXPECT_EQ("foofoo", fmt::format(FMT_COMPILE("{a0}{}"), fmt::arg("a0", "foo"),
-                                  fmt::arg("a1", "bar")));
-  EXPECT_EQ("foobar", fmt::format(FMT_COMPILE("{0}{a1}"), fmt::arg("a0", "foo"),
-                                  fmt::arg("a1", "bar")));
-  EXPECT_EQ("foobar", fmt::format(FMT_COMPILE("{a0}{1}"), fmt::arg("a0", "foo"),
-                                  fmt::arg("a1", "bar")));
-
-  EXPECT_EQ("foobar",
-            fmt::format(FMT_COMPILE("{}{a1}"), "foo", fmt::arg("a1", "bar")));
-  EXPECT_EQ("foobar",
-            fmt::format(FMT_COMPILE("{a0}{a1}"), fmt::arg("a1", "bar"),
-                        fmt::arg("a2", "baz"), fmt::arg("a0", "foo")));
-  EXPECT_EQ(" bar foo ",
-            fmt::format(FMT_COMPILE(" {foo} {bar} "), fmt::arg("foo", "bar"),
-                        fmt::arg("bar", "foo")));
-
-  EXPECT_THROW(fmt::format(FMT_COMPILE("{invalid}"), fmt::arg("valid", 42)),
-               fmt::format_error);
-
-#  if FMT_USE_NONTYPE_TEMPLATE_ARGS
-  using namespace fmt::literals;
-  auto statically_named_field_compiled =
-      fmt::detail::compile<decltype("arg"_a = 42)>(FMT_COMPILE("{arg}"));
-  static_assert(std::is_same_v<decltype(statically_named_field_compiled),
-                               fmt::detail::field<char, int, 0>>);
-
-  EXPECT_EQ("41 43",
-            fmt::format(FMT_COMPILE("{a0} {a1}"), "a0"_a = 41, "a1"_a = 43));
-  EXPECT_EQ("41 43",
-            fmt::format(FMT_COMPILE("{a1} {a0}"), "a0"_a = 43, "a1"_a = 41));
-#  endif
-}
-
-TEST(compile_test, join) {
-  unsigned char data[] = {0x1, 0x2, 0xaf};
-  EXPECT_EQ("0102af", fmt::format(FMT_COMPILE("{:02x}"), fmt::join(data, "")));
-}
-
-TEST(compile_test, format_to) {
-  char buf[8];
-  auto end = fmt::format_to(buf, FMT_COMPILE("{}"), 42);
-  *end = '\0';
-  EXPECT_STREQ("42", buf);
-  end = fmt::format_to(buf, FMT_COMPILE("{:x}"), 42);
-  *end = '\0';
-  EXPECT_STREQ("2a", buf);
-}
-
-TEST(compile_test, format_to_n) {
-  constexpr auto buffer_size = 8;
-  char buffer[buffer_size];
-  auto res = fmt::format_to_n(buffer, buffer_size, FMT_COMPILE("{}"), 42);
-  *res.out = '\0';
-  EXPECT_STREQ("42", buffer);
-  res = fmt::format_to_n(buffer, buffer_size, FMT_COMPILE("{:x}"), 42);
-  *res.out = '\0';
-  EXPECT_STREQ("2a", buffer);
-}
-
-#ifdef __cpp_lib_bit_cast
-TEST(compile_test, constexpr_formatted_size) {
-  FMT_CONSTEXPR20 size_t s1 = fmt::formatted_size(FMT_COMPILE("{0}"), 42);
-  EXPECT_EQ(2, s1);
-  FMT_CONSTEXPR20 size_t s2 = fmt::formatted_size(FMT_COMPILE("{0:<4.2f}"), 42.0);
-  EXPECT_EQ(5, s2);
-}
-#endif
-
-TEST(compile_test, text_and_arg) {
-  EXPECT_EQ(">>>42<<<", fmt::format(FMT_COMPILE(">>>{}<<<"), 42));
-  EXPECT_EQ("42!", fmt::format(FMT_COMPILE("{}!"), 42));
-}
-
-TEST(compile_test, unknown_format_fallback) {
-  EXPECT_EQ(" 42 ",
-            fmt::format(FMT_COMPILE("{name:^4}"), fmt::arg("name", 42)));
-
-  std::vector<char> v;
-  fmt::format_to(std::back_inserter(v), FMT_COMPILE("{name:^4}"),
-                 fmt::arg("name", 42));
-  EXPECT_EQ(" 42 ", fmt::string_view(v.data(), v.size()));
-
-  char buffer[4];
-  auto result = fmt::format_to_n(buffer, 4, FMT_COMPILE("{name:^5}"),
-                                 fmt::arg("name", 42));
-  EXPECT_EQ(5u, result.size);
-  EXPECT_EQ(buffer + 4, result.out);
-  EXPECT_EQ(" 42 ", fmt::string_view(buffer, 4));
-}
-
-TEST(compile_test, empty) { EXPECT_EQ("", fmt::format(FMT_COMPILE(""))); }
-
-struct to_stringable {
-  friend fmt::string_view to_string_view(to_stringable) { return {}; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<to_stringable> {
-  auto parse(format_parse_context& ctx) const -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename FormatContext>
-  auto format(const to_stringable&, FormatContext& ctx) -> decltype(ctx.out()) {
-    return ctx.out();
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(compile_test, to_string_and_formatter) {
-  fmt::format(FMT_COMPILE("{}"), to_stringable());
-}
-
-TEST(compile_test, print) {
-  EXPECT_WRITE(stdout, fmt::print(FMT_COMPILE("Don't {}!"), "panic"),
-               "Don't panic!");
-  EXPECT_WRITE(stderr, fmt::print(stderr, FMT_COMPILE("Don't {}!"), "panic"),
-               "Don't panic!");
-}
-#endif
-
-#if FMT_USE_NONTYPE_TEMPLATE_ARGS
-TEST(compile_test, compile_format_string_literal) {
-  using namespace fmt::literals;
-  EXPECT_EQ("", fmt::format(""_cf));
-  EXPECT_EQ("42", fmt::format("{}"_cf, 42));
-  EXPECT_EQ(L"42", fmt::format(L"{}"_cf, 42));
-}
-#endif
-
-// MSVS 2019 19.29.30145.0 - Support C++20 and OK.
-// MSVS 2022 19.32.31332.0 - compile-test.cc(362,3): fatal error C1001: Internal
-// compiler error.
-//  (compiler file
-//  'D:\a\_work\1\s\src\vctools\Compiler\CxxFE\sl\p1\c\constexpr\constexpr.cpp',
-//  line 8635)
-#if ((FMT_CPLUSPLUS >= 202002L) &&                    \
-     (!FMT_MSC_VERSION || FMT_MSC_VERSION < 1930)) || \
-    (FMT_CPLUSPLUS >= 201709L && FMT_GCC_VERSION >= 1002)
-template <size_t max_string_length, typename Char = char> struct test_string {
-  template <typename T> constexpr bool operator==(const T& rhs) const noexcept {
-    return fmt::basic_string_view<Char>(rhs).compare(buffer) == 0;
-  }
-  Char buffer[max_string_length]{};
-};
-
-template <size_t max_string_length, typename Char = char, typename... Args>
-consteval auto test_format(auto format, const Args&... args) {
-  test_string<max_string_length, Char> string{};
-  fmt::format_to(string.buffer, format, args...);
-  return string;
-}
-
-TEST(compile_time_formatting_test, bool) {
-  EXPECT_EQ("true", test_format<5>(FMT_COMPILE("{}"), true));
-  EXPECT_EQ("false", test_format<6>(FMT_COMPILE("{}"), false));
-  EXPECT_EQ("true ", test_format<6>(FMT_COMPILE("{:5}"), true));
-  EXPECT_EQ("1", test_format<2>(FMT_COMPILE("{:d}"), true));
-}
-
-TEST(compile_time_formatting_test, integer) {
-  EXPECT_EQ("42", test_format<3>(FMT_COMPILE("{}"), 42));
-  EXPECT_EQ("420", test_format<4>(FMT_COMPILE("{}"), 420));
-  EXPECT_EQ("42 42", test_format<6>(FMT_COMPILE("{} {}"), 42, 42));
-  EXPECT_EQ("42 42",
-            test_format<6>(FMT_COMPILE("{} {}"), uint32_t{42}, uint64_t{42}));
-
-  EXPECT_EQ("+42", test_format<4>(FMT_COMPILE("{:+}"), 42));
-  EXPECT_EQ("42", test_format<3>(FMT_COMPILE("{:-}"), 42));
-  EXPECT_EQ(" 42", test_format<4>(FMT_COMPILE("{: }"), 42));
-
-  EXPECT_EQ("-0042", test_format<6>(FMT_COMPILE("{:05}"), -42));
-
-  EXPECT_EQ("101010", test_format<7>(FMT_COMPILE("{:b}"), 42));
-  EXPECT_EQ("0b101010", test_format<9>(FMT_COMPILE("{:#b}"), 42));
-  EXPECT_EQ("0B101010", test_format<9>(FMT_COMPILE("{:#B}"), 42));
-  EXPECT_EQ("042", test_format<4>(FMT_COMPILE("{:#o}"), 042));
-  EXPECT_EQ("0x4a", test_format<5>(FMT_COMPILE("{:#x}"), 0x4a));
-  EXPECT_EQ("0X4A", test_format<5>(FMT_COMPILE("{:#X}"), 0x4a));
-
-  EXPECT_EQ("   42", test_format<6>(FMT_COMPILE("{:5}"), 42));
-  EXPECT_EQ("   42", test_format<6>(FMT_COMPILE("{:5}"), 42ll));
-  EXPECT_EQ("   42", test_format<6>(FMT_COMPILE("{:5}"), 42ull));
-
-  EXPECT_EQ("42  ", test_format<5>(FMT_COMPILE("{:<4}"), 42));
-  EXPECT_EQ("  42", test_format<5>(FMT_COMPILE("{:>4}"), 42));
-  EXPECT_EQ(" 42 ", test_format<5>(FMT_COMPILE("{:^4}"), 42));
-  EXPECT_EQ("**-42", test_format<6>(FMT_COMPILE("{:*>5}"), -42));
-}
-
-TEST(compile_time_formatting_test, char) {
-  EXPECT_EQ("c", test_format<2>(FMT_COMPILE("{}"), 'c'));
-
-  EXPECT_EQ("c  ", test_format<4>(FMT_COMPILE("{:3}"), 'c'));
-  EXPECT_EQ("99", test_format<3>(FMT_COMPILE("{:d}"), 'c'));
-}
-
-TEST(compile_time_formatting_test, string) {
-  EXPECT_EQ("42", test_format<3>(FMT_COMPILE("{}"), "42"));
-  EXPECT_EQ("The answer is 42",
-            test_format<17>(FMT_COMPILE("{} is {}"), "The answer", "42"));
-
-  EXPECT_EQ("abc**", test_format<6>(FMT_COMPILE("{:*<5}"), "abc"));
-  EXPECT_EQ("**🤡**", test_format<9>(FMT_COMPILE("{:*^6}"), "🤡"));
-}
-
-TEST(compile_time_formatting_test, combination) {
-  EXPECT_EQ("420, true, answer",
-            test_format<18>(FMT_COMPILE("{}, {}, {}"), 420, true, "answer"));
-
-  EXPECT_EQ(" -42", test_format<5>(FMT_COMPILE("{:{}}"), -42, 4));
-}
-
-TEST(compile_time_formatting_test, custom_type) {
-  EXPECT_EQ("foo", test_format<4>(FMT_COMPILE("{}"), test_formattable()));
-  EXPECT_EQ("bar", test_format<4>(FMT_COMPILE("{:b}"), test_formattable()));
-}
-
-TEST(compile_time_formatting_test, multibyte_fill) {
-  EXPECT_EQ("жж42", test_format<8>(FMT_COMPILE("{:ж>4}"), 42));
-}
-#endif
diff --git a/third_party/fmt-9.1.0/test/core-test.cc b/third_party/fmt-9.1.0/test/core-test.cc
deleted file mode 100644
index c76dc161..00000000
--- a/third_party/fmt-9.1.0/test/core-test.cc
+++ /dev/null
@@ -1,978 +0,0 @@
-// Formatting library for C++ - core tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-// clang-format off
-#include "test-assert.h"
-// clang-format on
-
-#define I 42  // simulate https://en.cppreference.com/w/c/numeric/complex/I
-#include "fmt/core.h"
-#undef I
-
-#include <algorithm>    // std::copy_n
-#include <climits>      // INT_MAX
-#include <cstring>      // std::strlen
-#include <functional>   // std::equal_to
-#include <iterator>     // std::back_insert_iterator
-#include <limits>       // std::numeric_limits
-#include <string>       // std::string
-#include <type_traits>  // std::is_same
-
-#include "gmock/gmock.h"
-
-using fmt::string_view;
-using fmt::detail::buffer;
-
-using testing::_;
-using testing::Invoke;
-using testing::Return;
-
-#ifdef FMT_FORMAT_H_
-#  error core-test includes format.h
-#endif
-
-TEST(string_view_test, value_type) {
-  static_assert(std::is_same<string_view::value_type, char>::value, "");
-}
-
-TEST(string_view_test, ctor) {
-  EXPECT_STREQ("abc", fmt::string_view("abc").data());
-  EXPECT_EQ(3u, fmt::string_view("abc").size());
-
-  EXPECT_STREQ("defg", fmt::string_view(std::string("defg")).data());
-  EXPECT_EQ(4u, fmt::string_view(std::string("defg")).size());
-}
-
-TEST(string_view_test, length) {
-  // Test that string_view::size() returns string length, not buffer size.
-  char str[100] = "some string";
-  EXPECT_EQ(std::strlen(str), string_view(str).size());
-  EXPECT_LT(std::strlen(str), sizeof(str));
-}
-
-// Check string_view's comparison operator.
-template <template <typename> class Op> void check_op() {
-  const char* inputs[] = {"foo", "fop", "fo"};
-  size_t num_inputs = sizeof(inputs) / sizeof(*inputs);
-  for (size_t i = 0; i < num_inputs; ++i) {
-    for (size_t j = 0; j < num_inputs; ++j) {
-      string_view lhs(inputs[i]), rhs(inputs[j]);
-      EXPECT_EQ(Op<int>()(lhs.compare(rhs), 0), Op<string_view>()(lhs, rhs));
-    }
-  }
-}
-
-TEST(string_view_test, compare) {
-  EXPECT_EQ(string_view("foo").compare(string_view("foo")), 0);
-  EXPECT_GT(string_view("fop").compare(string_view("foo")), 0);
-  EXPECT_LT(string_view("foo").compare(string_view("fop")), 0);
-  EXPECT_GT(string_view("foo").compare(string_view("fo")), 0);
-  EXPECT_LT(string_view("fo").compare(string_view("foo")), 0);
-  check_op<std::equal_to>();
-  check_op<std::not_equal_to>();
-  check_op<std::less>();
-  check_op<std::less_equal>();
-  check_op<std::greater>();
-  check_op<std::greater_equal>();
-}
-
-namespace test_ns {
-template <typename Char> class test_string {
- private:
-  std::basic_string<Char> s_;
-
- public:
-  test_string(const Char* s) : s_(s) {}
-  const Char* data() const { return s_.data(); }
-  size_t length() const { return s_.size(); }
-  operator const Char*() const { return s_.c_str(); }
-};
-
-template <typename Char>
-fmt::basic_string_view<Char> to_string_view(const test_string<Char>& s) {
-  return {s.data(), s.length()};
-}
-}  // namespace test_ns
-
-TEST(core_test, is_output_iterator) {
-  EXPECT_TRUE((fmt::detail::is_output_iterator<char*, char>::value));
-  EXPECT_FALSE((fmt::detail::is_output_iterator<const char*, char>::value));
-  EXPECT_FALSE((fmt::detail::is_output_iterator<std::string, char>::value));
-  EXPECT_TRUE(
-      (fmt::detail::is_output_iterator<std::back_insert_iterator<std::string>,
-                                       char>::value));
-  EXPECT_TRUE(
-      (fmt::detail::is_output_iterator<std::string::iterator, char>::value));
-  EXPECT_FALSE((fmt::detail::is_output_iterator<std::string::const_iterator,
-                                                char>::value));
-}
-
-TEST(core_test, buffer_appender) {
-  // back_insert_iterator is not default-constructible before C++20, so
-  // buffer_appender can only be default-constructible when back_insert_iterator
-  // is.
-  static_assert(
-      std::is_default_constructible<
-          std::back_insert_iterator<fmt::detail::buffer<char>>>::value ==
-          std::is_default_constructible<
-              fmt::detail::buffer_appender<char>>::value,
-      "");
-
-#ifdef __cpp_lib_ranges
-  static_assert(std::output_iterator<fmt::detail::buffer_appender<char>, char>);
-#endif
-}
-
-#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 470
-TEST(buffer_test, noncopyable) {
-  EXPECT_FALSE(std::is_copy_constructible<buffer<char>>::value);
-#  if !FMT_MSC_VERSION
-  // std::is_copy_assignable is broken in MSVC2013.
-  EXPECT_FALSE(std::is_copy_assignable<buffer<char>>::value);
-#  endif
-}
-
-TEST(buffer_test, nonmoveable) {
-  EXPECT_FALSE(std::is_move_constructible<buffer<char>>::value);
-#  if !FMT_MSC_VERSION
-  // std::is_move_assignable is broken in MSVC2013.
-  EXPECT_FALSE(std::is_move_assignable<buffer<char>>::value);
-#  endif
-}
-#endif
-
-TEST(buffer_test, indestructible) {
-  static_assert(!std::is_destructible<fmt::detail::buffer<int>>(),
-                "buffer's destructor is protected");
-}
-
-template <typename T> struct mock_buffer final : buffer<T> {
-  MOCK_METHOD1(do_grow, size_t(size_t capacity));
-
-  void grow(size_t capacity) override {
-    this->set(this->data(), do_grow(capacity));
-  }
-
-  mock_buffer(T* data = nullptr, size_t buf_capacity = 0) {
-    this->set(data, buf_capacity);
-    ON_CALL(*this, do_grow(_)).WillByDefault(Invoke([](size_t capacity) {
-      return capacity;
-    }));
-  }
-};
-
-TEST(buffer_test, ctor) {
-  {
-    mock_buffer<int> buffer;
-    EXPECT_EQ(nullptr, buffer.data());
-    EXPECT_EQ(static_cast<size_t>(0), buffer.size());
-    EXPECT_EQ(static_cast<size_t>(0), buffer.capacity());
-  }
-  {
-    int dummy;
-    mock_buffer<int> buffer(&dummy);
-    EXPECT_EQ(&dummy, &buffer[0]);
-    EXPECT_EQ(static_cast<size_t>(0), buffer.size());
-    EXPECT_EQ(static_cast<size_t>(0), buffer.capacity());
-  }
-  {
-    int dummy;
-    size_t capacity = std::numeric_limits<size_t>::max();
-    mock_buffer<int> buffer(&dummy, capacity);
-    EXPECT_EQ(&dummy, &buffer[0]);
-    EXPECT_EQ(static_cast<size_t>(0), buffer.size());
-    EXPECT_EQ(capacity, buffer.capacity());
-  }
-}
-
-TEST(buffer_test, access) {
-  char data[10];
-  mock_buffer<char> buffer(data, sizeof(data));
-  buffer[0] = 11;
-  EXPECT_EQ(11, buffer[0]);
-  buffer[3] = 42;
-  EXPECT_EQ(42, *(&buffer[0] + 3));
-  const fmt::detail::buffer<char>& const_buffer = buffer;
-  EXPECT_EQ(42, const_buffer[3]);
-}
-
-TEST(buffer_test, try_resize) {
-  char data[123];
-  mock_buffer<char> buffer(data, sizeof(data));
-  buffer[10] = 42;
-  EXPECT_EQ(42, buffer[10]);
-  buffer.try_resize(20);
-  EXPECT_EQ(20u, buffer.size());
-  EXPECT_EQ(123u, buffer.capacity());
-  EXPECT_EQ(42, buffer[10]);
-  buffer.try_resize(5);
-  EXPECT_EQ(5u, buffer.size());
-  EXPECT_EQ(123u, buffer.capacity());
-  EXPECT_EQ(42, buffer[10]);
-  // Check if try_resize calls grow.
-  EXPECT_CALL(buffer, do_grow(124));
-  buffer.try_resize(124);
-  EXPECT_CALL(buffer, do_grow(200));
-  buffer.try_resize(200);
-}
-
-TEST(buffer_test, try_resize_partial) {
-  char data[10];
-  mock_buffer<char> buffer(data, sizeof(data));
-  EXPECT_CALL(buffer, do_grow(20)).WillOnce(Return(15));
-  buffer.try_resize(20);
-  EXPECT_EQ(buffer.capacity(), 15);
-  EXPECT_EQ(buffer.size(), 15);
-}
-
-TEST(buffer_test, clear) {
-  mock_buffer<char> buffer;
-  EXPECT_CALL(buffer, do_grow(20));
-  buffer.try_resize(20);
-  buffer.try_resize(0);
-  EXPECT_EQ(static_cast<size_t>(0), buffer.size());
-  EXPECT_EQ(20u, buffer.capacity());
-}
-
-TEST(buffer_test, append) {
-  char data[15];
-  mock_buffer<char> buffer(data, 10);
-  auto test = "test";
-  buffer.append(test, test + 5);
-  EXPECT_STREQ(test, &buffer[0]);
-  EXPECT_EQ(5u, buffer.size());
-  buffer.try_resize(10);
-  EXPECT_CALL(buffer, do_grow(12));
-  buffer.append(test, test + 2);
-  EXPECT_EQ('t', buffer[10]);
-  EXPECT_EQ('e', buffer[11]);
-  EXPECT_EQ(12u, buffer.size());
-}
-
-TEST(buffer_test, append_partial) {
-  char data[10];
-  mock_buffer<char> buffer(data, sizeof(data));
-  testing::InSequence seq;
-  EXPECT_CALL(buffer, do_grow(15)).WillOnce(Return(10));
-  EXPECT_CALL(buffer, do_grow(15)).WillOnce(Invoke([&buffer](size_t) {
-    EXPECT_EQ(fmt::string_view(buffer.data(), buffer.size()), "0123456789");
-    buffer.clear();
-    return 10;
-  }));
-  auto test = "0123456789abcde";
-  buffer.append(test, test + 15);
-}
-
-TEST(buffer_test, append_allocates_enough_storage) {
-  char data[19];
-  mock_buffer<char> buffer(data, 10);
-  auto test = "abcdefgh";
-  buffer.try_resize(10);
-  EXPECT_CALL(buffer, do_grow(19));
-  buffer.append(test, test + 9);
-}
-
-struct custom_context {
-  using char_type = char;
-  using parse_context_type = fmt::format_parse_context;
-
-  bool called = false;
-
-  template <typename T> struct formatter_type {
-    auto parse(fmt::format_parse_context& ctx) -> decltype(ctx.begin()) {
-      return ctx.begin();
-    }
-
-    const char* format(const T&, custom_context& ctx) {
-      ctx.called = true;
-      return nullptr;
-    }
-  };
-
-  void advance_to(const char*) {}
-};
-
-struct test_struct {};
-
-FMT_BEGIN_NAMESPACE
-template <typename Char> struct formatter<test_struct, Char> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(test_struct, format_context& ctx) -> decltype(ctx.out()) {
-    auto test = string_view("test");
-    return std::copy_n(test.data(), test.size(), ctx.out());
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(arg_test, format_args) {
-  auto args = fmt::format_args();
-  EXPECT_FALSE(args.get(1));
-}
-
-TEST(arg_test, make_value_with_custom_context) {
-  auto t = test_struct();
-  fmt::detail::value<custom_context> arg(
-      fmt::detail::arg_mapper<custom_context>().map(t));
-  auto ctx = custom_context();
-  auto parse_ctx = fmt::format_parse_context("");
-  arg.custom.format(&t, parse_ctx, ctx);
-  EXPECT_TRUE(ctx.called);
-}
-
-// Use a unique result type to make sure that there are no undesirable
-// conversions.
-struct test_result {};
-
-template <typename T> struct mock_visitor {
-  template <typename U> struct result { using type = test_result; };
-
-  mock_visitor() {
-    ON_CALL(*this, visit(_)).WillByDefault(Return(test_result()));
-  }
-
-  MOCK_METHOD1_T(visit, test_result(T value));
-  MOCK_METHOD0_T(unexpected, void());
-
-  test_result operator()(T value) { return visit(value); }
-
-  template <typename U> test_result operator()(U) {
-    unexpected();
-    return test_result();
-  }
-};
-
-template <typename T> struct visit_type { using type = T; };
-
-#define VISIT_TYPE(type_, visit_type_) \
-  template <> struct visit_type<type_> { using type = visit_type_; }
-
-VISIT_TYPE(signed char, int);
-VISIT_TYPE(unsigned char, unsigned);
-VISIT_TYPE(short, int);
-VISIT_TYPE(unsigned short, unsigned);
-
-#if LONG_MAX == INT_MAX
-VISIT_TYPE(long, int);
-VISIT_TYPE(unsigned long, unsigned);
-#else
-VISIT_TYPE(long, long long);
-VISIT_TYPE(unsigned long, unsigned long long);
-#endif
-
-#define CHECK_ARG(Char, expected, value)                                  \
-  {                                                                       \
-    testing::StrictMock<mock_visitor<decltype(expected)>> visitor;        \
-    EXPECT_CALL(visitor, visit(expected));                                \
-    using iterator = std::back_insert_iterator<buffer<Char>>;             \
-    fmt::visit_format_arg(                                                \
-        visitor,                                                          \
-        fmt::detail::make_arg<fmt::basic_format_context<iterator, Char>>( \
-            value));                                                      \
-  }
-
-#define CHECK_ARG_SIMPLE(value)                             \
-  {                                                         \
-    using value_type = decltype(value);                     \
-    typename visit_type<value_type>::type expected = value; \
-    CHECK_ARG(char, expected, value)                        \
-    CHECK_ARG(wchar_t, expected, value)                     \
-  }
-
-template <typename T> class numeric_arg_test : public testing::Test {};
-
-using test_types =
-    testing::Types<bool, signed char, unsigned char, short, unsigned short, int,
-                   unsigned, long, unsigned long, long long, unsigned long long,
-                   float, double, long double>;
-TYPED_TEST_SUITE(numeric_arg_test, test_types);
-
-template <typename T, fmt::enable_if_t<std::is_integral<T>::value, int> = 0>
-T test_value() {
-  return static_cast<T>(42);
-}
-
-template <typename T,
-          fmt::enable_if_t<std::is_floating_point<T>::value, int> = 0>
-T test_value() {
-  return static_cast<T>(4.2);
-}
-
-TYPED_TEST(numeric_arg_test, make_and_visit) {
-  CHECK_ARG_SIMPLE(test_value<TypeParam>());
-  CHECK_ARG_SIMPLE(std::numeric_limits<TypeParam>::min());
-  CHECK_ARG_SIMPLE(std::numeric_limits<TypeParam>::max());
-}
-
-TEST(arg_test, char_arg) { CHECK_ARG(char, 'a', 'a'); }
-
-TEST(arg_test, string_arg) {
-  char str_data[] = "test";
-  char* str = str_data;
-  const char* cstr = str;
-  CHECK_ARG(char, cstr, str);
-
-  auto sv = fmt::string_view(str);
-  CHECK_ARG(char, sv, std::string(str));
-}
-
-TEST(arg_test, wstring_arg) {
-  wchar_t str_data[] = L"test";
-  wchar_t* str = str_data;
-  const wchar_t* cstr = str;
-
-  auto sv = fmt::basic_string_view<wchar_t>(str);
-  CHECK_ARG(wchar_t, cstr, str);
-  CHECK_ARG(wchar_t, cstr, cstr);
-  CHECK_ARG(wchar_t, sv, std::wstring(str));
-  CHECK_ARG(wchar_t, sv, fmt::basic_string_view<wchar_t>(str));
-}
-
-TEST(arg_test, pointer_arg) {
-  void* p = nullptr;
-  const void* cp = nullptr;
-  CHECK_ARG(char, cp, p);
-  CHECK_ARG(wchar_t, cp, p);
-  CHECK_ARG_SIMPLE(cp);
-}
-
-struct check_custom {
-  test_result operator()(
-      fmt::basic_format_arg<fmt::format_context>::handle h) const {
-    struct test_buffer final : fmt::detail::buffer<char> {
-      char data[10];
-      test_buffer() : fmt::detail::buffer<char>(data, 0, 10) {}
-      void grow(size_t) override {}
-    } buffer;
-    auto parse_ctx = fmt::format_parse_context("");
-    auto ctx = fmt::format_context(fmt::detail::buffer_appender<char>(buffer),
-                                   fmt::format_args());
-    h.format(parse_ctx, ctx);
-    EXPECT_EQ("test", std::string(buffer.data, buffer.size()));
-    return test_result();
-  }
-};
-
-TEST(arg_test, custom_arg) {
-  auto test = test_struct();
-  using visitor =
-      mock_visitor<fmt::basic_format_arg<fmt::format_context>::handle>;
-  testing::StrictMock<visitor> v;
-  EXPECT_CALL(v, visit(_)).WillOnce(Invoke(check_custom()));
-  fmt::visit_format_arg(v, fmt::detail::make_arg<fmt::format_context>(test));
-}
-
-TEST(arg_test, visit_invalid_arg) {
-  testing::StrictMock<mock_visitor<fmt::monostate>> visitor;
-  EXPECT_CALL(visitor, visit(_));
-  auto arg = fmt::basic_format_arg<fmt::format_context>();
-  fmt::visit_format_arg(visitor, arg);
-}
-
-#if FMT_USE_CONSTEXPR
-
-enum class arg_id_result { none, empty, index, name, error };
-struct test_arg_id_handler {
-  arg_id_result res = arg_id_result::none;
-  int index = 0;
-  string_view name;
-
-  constexpr void operator()() { res = arg_id_result::empty; }
-
-  constexpr void operator()(int i) {
-    res = arg_id_result::index;
-    index = i;
-  }
-
-  constexpr void operator()(string_view n) {
-    res = arg_id_result::name;
-    name = n;
-  }
-
-  constexpr void on_error(const char*) { res = arg_id_result::error; }
-};
-
-template <size_t N>
-constexpr test_arg_id_handler parse_arg_id(const char (&s)[N]) {
-  test_arg_id_handler h;
-  fmt::detail::parse_arg_id(s, s + N, h);
-  return h;
-}
-
-TEST(format_test, constexpr_parse_arg_id) {
-  static_assert(parse_arg_id(":").res == arg_id_result::empty, "");
-  static_assert(parse_arg_id("}").res == arg_id_result::empty, "");
-  static_assert(parse_arg_id("42:").res == arg_id_result::index, "");
-  static_assert(parse_arg_id("42:").index == 42, "");
-  static_assert(parse_arg_id("foo:").res == arg_id_result::name, "");
-  static_assert(parse_arg_id("foo:").name.size() == 3, "");
-  static_assert(parse_arg_id("!").res == arg_id_result::error, "");
-}
-
-struct test_format_specs_handler {
-  enum result { none, hash, zero, loc, error };
-  result res = none;
-
-  fmt::align_t alignment = fmt::align::none;
-  fmt::sign_t sign = fmt::sign::none;
-  char fill = 0;
-  int width = 0;
-  fmt::detail::arg_ref<char> width_ref;
-  int precision = 0;
-  fmt::detail::arg_ref<char> precision_ref;
-  fmt::presentation_type type = fmt::presentation_type::none;
-
-  // Workaround for MSVC2017 bug that results in "expression did not evaluate
-  // to a constant" with compiler-generated copy ctor.
-  constexpr test_format_specs_handler() {}
-  constexpr test_format_specs_handler(const test_format_specs_handler& other) =
-      default;
-
-  constexpr void on_align(fmt::align_t a) { alignment = a; }
-  constexpr void on_fill(fmt::string_view f) { fill = f[0]; }
-  constexpr void on_sign(fmt::sign_t s) { sign = s; }
-  constexpr void on_hash() { res = hash; }
-  constexpr void on_zero() { res = zero; }
-  constexpr void on_localized() { res = loc; }
-
-  constexpr void on_width(int w) { width = w; }
-  constexpr void on_dynamic_width(fmt::detail::auto_id) {}
-  constexpr void on_dynamic_width(int index) { width_ref = index; }
-  constexpr void on_dynamic_width(string_view) {}
-
-  constexpr void on_precision(int p) { precision = p; }
-  constexpr void on_dynamic_precision(fmt::detail::auto_id) {}
-  constexpr void on_dynamic_precision(int index) { precision_ref = index; }
-  constexpr void on_dynamic_precision(string_view) {}
-
-  constexpr void end_precision() {}
-  constexpr void on_type(fmt::presentation_type t) { type = t; }
-  constexpr void on_error(const char*) { res = error; }
-};
-
-template <size_t N>
-constexpr test_format_specs_handler parse_test_specs(const char (&s)[N]) {
-  auto h = test_format_specs_handler();
-  fmt::detail::parse_format_specs(s, s + N - 1, h);
-  return h;
-}
-
-TEST(core_test, constexpr_parse_format_specs) {
-  using handler = test_format_specs_handler;
-  static_assert(parse_test_specs("<").alignment == fmt::align::left, "");
-  static_assert(parse_test_specs("*^").fill == '*', "");
-  static_assert(parse_test_specs("+").sign == fmt::sign::plus, "");
-  static_assert(parse_test_specs("-").sign == fmt::sign::minus, "");
-  static_assert(parse_test_specs(" ").sign == fmt::sign::space, "");
-  static_assert(parse_test_specs("#").res == handler::hash, "");
-  static_assert(parse_test_specs("0").res == handler::zero, "");
-  static_assert(parse_test_specs("L").res == handler::loc, "");
-  static_assert(parse_test_specs("42").width == 42, "");
-  static_assert(parse_test_specs("{42}").width_ref.val.index == 42, "");
-  static_assert(parse_test_specs(".42").precision == 42, "");
-  static_assert(parse_test_specs(".{42}").precision_ref.val.index == 42, "");
-  static_assert(parse_test_specs("d").type == fmt::presentation_type::dec, "");
-  static_assert(parse_test_specs("{<").res == handler::error, "");
-}
-
-struct test_parse_context {
-  using char_type = char;
-
-  constexpr int next_arg_id() { return 11; }
-  template <typename Id> FMT_CONSTEXPR void check_arg_id(Id) {}
-  FMT_CONSTEXPR void check_dynamic_spec(int) {}
-
-  constexpr const char* begin() { return nullptr; }
-  constexpr const char* end() { return nullptr; }
-
-  void on_error(const char*) {}
-};
-
-template <size_t N>
-constexpr fmt::detail::dynamic_format_specs<char> parse_dynamic_specs(
-    const char (&s)[N]) {
-  auto specs = fmt::detail::dynamic_format_specs<char>();
-  auto ctx = test_parse_context();
-  auto h = fmt::detail::dynamic_specs_handler<test_parse_context>(specs, ctx);
-  parse_format_specs(s, s + N - 1, h);
-  return specs;
-}
-
-TEST(format_test, constexpr_dynamic_specs_handler) {
-  static_assert(parse_dynamic_specs("<").align == fmt::align::left, "");
-  static_assert(parse_dynamic_specs("*^").fill[0] == '*', "");
-  static_assert(parse_dynamic_specs("+").sign == fmt::sign::plus, "");
-  static_assert(parse_dynamic_specs("-").sign == fmt::sign::minus, "");
-  static_assert(parse_dynamic_specs(" ").sign == fmt::sign::space, "");
-  static_assert(parse_dynamic_specs("#").alt, "");
-  static_assert(parse_dynamic_specs("0").align == fmt::align::numeric, "");
-  static_assert(parse_dynamic_specs("42").width == 42, "");
-  static_assert(parse_dynamic_specs("{}").width_ref.val.index == 11, "");
-  static_assert(parse_dynamic_specs("{42}").width_ref.val.index == 42, "");
-  static_assert(parse_dynamic_specs(".42").precision == 42, "");
-  static_assert(parse_dynamic_specs(".{}").precision_ref.val.index == 11, "");
-  static_assert(parse_dynamic_specs(".{42}").precision_ref.val.index == 42, "");
-  static_assert(parse_dynamic_specs("d").type == fmt::presentation_type::dec,
-                "");
-}
-
-template <size_t N>
-constexpr test_format_specs_handler check_specs(const char (&s)[N]) {
-  fmt::detail::specs_checker<test_format_specs_handler> checker(
-      test_format_specs_handler(), fmt::detail::type::double_type);
-  parse_format_specs(s, s + N - 1, checker);
-  return checker;
-}
-
-TEST(format_test, constexpr_specs_checker) {
-  using handler = test_format_specs_handler;
-  static_assert(check_specs("<").alignment == fmt::align::left, "");
-  static_assert(check_specs("*^").fill == '*', "");
-  static_assert(check_specs("+").sign == fmt::sign::plus, "");
-  static_assert(check_specs("-").sign == fmt::sign::minus, "");
-  static_assert(check_specs(" ").sign == fmt::sign::space, "");
-  static_assert(check_specs("#").res == handler::hash, "");
-  static_assert(check_specs("0").res == handler::zero, "");
-  static_assert(check_specs("42").width == 42, "");
-  static_assert(check_specs("{42}").width_ref.val.index == 42, "");
-  static_assert(check_specs(".42").precision == 42, "");
-  static_assert(check_specs(".{42}").precision_ref.val.index == 42, "");
-  static_assert(check_specs("d").type == fmt::presentation_type::dec, "");
-  static_assert(check_specs("{<").res == handler::error, "");
-}
-
-struct test_format_string_handler {
-  constexpr void on_text(const char*, const char*) {}
-
-  constexpr int on_arg_id() { return 0; }
-
-  template <typename T> constexpr int on_arg_id(T) { return 0; }
-
-  constexpr void on_replacement_field(int, const char*) {}
-
-  constexpr const char* on_format_specs(int, const char* begin, const char*) {
-    return begin;
-  }
-
-  constexpr void on_error(const char*) { error = true; }
-
-  bool error = false;
-};
-
-template <size_t N> constexpr bool parse_string(const char (&s)[N]) {
-  auto h = test_format_string_handler();
-  fmt::detail::parse_format_string<true>(fmt::string_view(s, N - 1), h);
-  return !h.error;
-}
-
-TEST(format_test, constexpr_parse_format_string) {
-  static_assert(parse_string("foo"), "");
-  static_assert(!parse_string("}"), "");
-  static_assert(parse_string("{}"), "");
-  static_assert(parse_string("{42}"), "");
-  static_assert(parse_string("{foo}"), "");
-  static_assert(parse_string("{:}"), "");
-}
-#endif  // FMT_USE_CONSTEXPR
-
-struct enabled_formatter {};
-struct enabled_ptr_formatter {};
-struct disabled_formatter {};
-struct disabled_formatter_convertible {
-  operator int() const { return 42; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<enabled_formatter> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-  auto format(enabled_formatter, format_context& ctx) -> decltype(ctx.out()) {
-    return ctx.out();
-  }
-};
-
-template <> struct formatter<enabled_ptr_formatter*> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-  auto format(enabled_ptr_formatter*, format_context& ctx)
-      -> decltype(ctx.out()) {
-    return ctx.out();
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(core_test, has_formatter) {
-  using fmt::has_formatter;
-  using context = fmt::format_context;
-  static_assert(has_formatter<enabled_formatter, context>::value, "");
-  static_assert(!has_formatter<disabled_formatter, context>::value, "");
-  static_assert(!has_formatter<disabled_formatter_convertible, context>::value,
-                "");
-}
-
-struct const_formattable {};
-struct nonconst_formattable {};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<const_formattable> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(const const_formattable&, format_context& ctx)
-      -> decltype(ctx.out()) {
-    auto test = string_view("test");
-    return std::copy_n(test.data(), test.size(), ctx.out());
-  }
-};
-
-template <> struct formatter<nonconst_formattable> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(nonconst_formattable&, format_context& ctx)
-      -> decltype(ctx.out()) {
-    auto test = string_view("test");
-    return std::copy_n(test.data(), test.size(), ctx.out());
-  }
-};
-FMT_END_NAMESPACE
-
-struct convertible_to_pointer {
-  operator const int*() const { return nullptr; }
-};
-
-struct convertible_to_pointer_formattable {
-  operator const int*() const { return nullptr; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<convertible_to_pointer_formattable> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(convertible_to_pointer_formattable, format_context& ctx) const
-      -> decltype(ctx.out()) {
-    auto test = string_view("test");
-    return std::copy_n(test.data(), test.size(), ctx.out());
-  }
-};
-FMT_END_NAMESPACE
-
-enum class unformattable_scoped_enum {};
-
-namespace test {
-enum class formattable_scoped_enum {};
-auto format_as(formattable_scoped_enum) -> int { return 42; }
-
-struct convertible_to_enum {
-  operator formattable_scoped_enum() const { return {}; }
-};
-}  // namespace test
-
-TEST(core_test, is_formattable) {
-#if 0
-  // This should be enabled once corresponding map overloads are gone.
-  static_assert(fmt::is_formattable<signed char*>::value, "");
-  static_assert(fmt::is_formattable<unsigned char*>::value, "");
-  static_assert(fmt::is_formattable<const signed char*>::value, "");
-  static_assert(fmt::is_formattable<const unsigned char*>::value, "");
-#endif
-  static_assert(!fmt::is_formattable<wchar_t>::value, "");
-#ifdef __cpp_char8_t
-  static_assert(!fmt::is_formattable<char8_t>::value, "");
-#endif
-  static_assert(!fmt::is_formattable<char16_t>::value, "");
-  static_assert(!fmt::is_formattable<char32_t>::value, "");
-  static_assert(!fmt::is_formattable<const wchar_t*>::value, "");
-  static_assert(!fmt::is_formattable<const wchar_t[3]>::value, "");
-  static_assert(!fmt::is_formattable<fmt::basic_string_view<wchar_t>>::value,
-                "");
-  static_assert(fmt::is_formattable<enabled_formatter>::value, "");
-  static_assert(!fmt::is_formattable<enabled_ptr_formatter*>::value, "");
-  static_assert(!fmt::is_formattable<disabled_formatter>::value, "");
-  static_assert(fmt::is_formattable<disabled_formatter_convertible>::value, "");
-
-  static_assert(fmt::is_formattable<const_formattable&>::value, "");
-  static_assert(fmt::is_formattable<const const_formattable&>::value, "");
-
-  static_assert(fmt::is_formattable<nonconst_formattable&>::value, "");
-#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1910
-  static_assert(!fmt::is_formattable<const nonconst_formattable&>::value, "");
-#endif
-
-  static_assert(!fmt::is_formattable<convertible_to_pointer>::value, "");
-  const auto f = convertible_to_pointer_formattable();
-  EXPECT_EQ(fmt::format("{}", f), "test");
-
-  static_assert(!fmt::is_formattable<void (*)()>::value, "");
-
-  struct s;
-  static_assert(!fmt::is_formattable<int(s::*)>::value, "");
-  static_assert(!fmt::is_formattable<int (s::*)()>::value, "");
-  static_assert(!fmt::is_formattable<unformattable_scoped_enum>::value, "");
-  static_assert(fmt::is_formattable<test::formattable_scoped_enum>::value, "");
-  static_assert(!fmt::is_formattable<test::convertible_to_enum>::value, "");
-}
-
-TEST(core_test, format) { EXPECT_EQ(fmt::format("{}", 42), "42"); }
-
-TEST(core_test, format_to) {
-  std::string s;
-  fmt::format_to(std::back_inserter(s), "{}", 42);
-  EXPECT_EQ(s, "42");
-}
-
-TEST(core_test, format_as) {
-  EXPECT_EQ(fmt::format("{}", test::formattable_scoped_enum()), "42");
-}
-
-struct convertible_to_int {
-  operator int() const { return 42; }
-};
-
-struct convertible_to_c_string {
-  operator const char*() const { return "foo"; }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<convertible_to_int> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-  auto format(convertible_to_int, format_context& ctx) -> decltype(ctx.out()) {
-    return std::copy_n("foo", 3, ctx.out());
-  }
-};
-
-template <> struct formatter<convertible_to_c_string> {
-  FMT_CONSTEXPR auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-  auto format(convertible_to_c_string, format_context& ctx)
-      -> decltype(ctx.out()) {
-    return std::copy_n("bar", 3, ctx.out());
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(core_test, formatter_overrides_implicit_conversion) {
-  EXPECT_EQ(fmt::format("{}", convertible_to_int()), "foo");
-  EXPECT_EQ(fmt::format("{}", convertible_to_c_string()), "bar");
-}
-
-// Test that check is not found by ADL.
-template <typename T> void check(T);
-TEST(core_test, adl_check) {
-  EXPECT_EQ(fmt::format("{}", test_struct()), "test");
-}
-
-TEST(core_test, to_string_view_foreign_strings) {
-  using namespace test_ns;
-  EXPECT_EQ(to_string_view(test_string<char>("42")), "42");
-  fmt::detail::type type =
-      fmt::detail::mapped_type_constant<test_string<char>,
-                                        fmt::format_context>::value;
-  EXPECT_EQ(type, fmt::detail::type::string_type);
-}
-
-struct implicitly_convertible_to_string {
-  operator std::string() const { return "foo"; }
-};
-
-struct implicitly_convertible_to_string_view {
-  operator fmt::string_view() const { return "foo"; }
-};
-
-TEST(core_test, format_implicitly_convertible_to_string_view) {
-  EXPECT_EQ("foo", fmt::format("{}", implicitly_convertible_to_string_view()));
-}
-
-// std::is_constructible is broken in MSVC until version 2015.
-#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1900
-struct explicitly_convertible_to_string_view {
-  explicit operator fmt::string_view() const { return "foo"; }
-};
-
-TEST(core_test, format_explicitly_convertible_to_string_view) {
-  // Types explicitly convertible to string_view are not formattable by
-  // default because it may introduce ODR violations.
-  static_assert(
-      !fmt::is_formattable<explicitly_convertible_to_string_view>::value, "");
-}
-
-#  ifdef FMT_USE_STRING_VIEW
-struct explicitly_convertible_to_std_string_view {
-  explicit operator std::string_view() const { return "foo"; }
-};
-
-TEST(core_test, format_explicitly_convertible_to_std_string_view) {
-  // Types explicitly convertible to string_view are not formattable by
-  // default because it may introduce ODR violations.
-  static_assert(
-      !fmt::is_formattable<explicitly_convertible_to_std_string_view>::value,
-      "");
-}
-#  endif
-#endif
-
-struct convertible_to_long_long {
-  operator long long() const { return 1LL << 32; }
-};
-
-TEST(format_test, format_convertible_to_long_long) {
-  EXPECT_EQ("100000000", fmt::format("{:x}", convertible_to_long_long()));
-}
-
-struct disabled_rvalue_conversion {
-  operator const char*() const& { return "foo"; }
-  operator const char*() & { return "foo"; }
-  operator const char*() const&& = delete;
-  operator const char*() && = delete;
-};
-
-TEST(core_test, disabled_rvalue_conversion) {
-  EXPECT_EQ("foo", fmt::format("{}", disabled_rvalue_conversion()));
-}
-
-namespace adl_test {
-template <typename... T> void make_format_args(const T&...) = delete;
-
-struct string : std::string {};
-}  // namespace adl_test
-
-// Test that formatting functions compile when make_format_args is found by ADL.
-TEST(core_test, adl) {
-  // Only check compilation and don't run the code to avoid polluting the output
-  // and since the output is tested elsewhere.
-  if (fmt::detail::const_check(true)) return;
-  auto s = adl_test::string();
-  char buf[10];
-  (void)fmt::format("{}", s);
-  fmt::format_to(buf, "{}", s);
-  fmt::format_to_n(buf, 10, "{}", s);
-  (void)fmt::formatted_size("{}", s);
-  fmt::print("{}", s);
-  fmt::print(stdout, "{}", s);
-}
-
-TEST(core_test, has_const_formatter) {
-  EXPECT_TRUE((fmt::detail::has_const_formatter<const_formattable,
-                                                fmt::format_context>()));
-  EXPECT_FALSE((fmt::detail::has_const_formatter<nonconst_formattable,
-                                                 fmt::format_context>()));
-}
-
-TEST(core_test, format_nonconst) {
-  EXPECT_EQ(fmt::format("{}", nonconst_formattable()), "test");
-}
diff --git a/third_party/fmt-9.1.0/test/cuda-test/CMakeLists.txt b/third_party/fmt-9.1.0/test/cuda-test/CMakeLists.txt
deleted file mode 100644
index be8685b8..00000000
--- a/third_party/fmt-9.1.0/test/cuda-test/CMakeLists.txt
+++ /dev/null
@@ -1,73 +0,0 @@
-# We can find some usecases which follow the guide of CMake which uses
-# `enable_language(CUDA)` instead of `find_package(CUDA)` and let the CMake
-# built-in functions use NVCC.
-
-# See: https://cmake.org/cmake/help/latest/module/FindCUDA.html#replacement
-#
-# However, this requires CMake version 3.10 or higher and we can't be sure most
-# of the CUDA projects are using those.
-#
-# This test relies on `find_package(CUDA)` in the parent CMake config.
-
-# These can be updated when NVCC becomes ready for C++ 17 features
-# https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#cpp14-language-features
-set(CMAKE_CUDA_STANDARD 14)
-set(CMAKE_CUDA_STANDARD_REQUIRED 14)
-
-# In this test, we assume that the user is going to compile CUDA source code
-# with some libraries (fmt in this case).
-#
-# In addition to that, this test invokes both the C++ host compiler and NVCC
-# by providing another (non-CUDA) C++ source code.
-if (${CMAKE_VERSION} VERSION_LESS 3.15)
-  # https://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html
-  list(APPEND CUDA_NVCC_FLAGS "-std=c++14")
-  if (MSVC)
-    # This is the solution of pytorch:
-    # https://github.com/pytorch/pytorch/pull/7118
-    list(APPEND CUDA_NVCC_FLAGS "-Xcompiler" "/std:c++14")
-    list(APPEND CUDA_NVCC_FLAGS "-Xcompiler" "/Zc:__cplusplus")
-    # for the reason of this -Xcompiler options, see below.
-  endif ()
-  cuda_add_executable(fmt-in-cuda-test cuda-cpp14.cu cpp14.cc)
-  target_compile_features(fmt-in-cuda-test PRIVATE cxx_std_14)
-  if (MSVC)
-    # This part is for (non-CUDA) C++ code. MSVC can define incorrect
-    # `__cplusplus` macro. Fix for the issue is to use additional compiler flag. 
-    #
-    # See Also:
-    # https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/
-    # https://github.com/Microsoft/vscode-cpptools/issues/2595
-    target_compile_options(fmt-in-cuda-test PRIVATE /Zc:__cplusplus /permissive-)
-  endif ()
-else()
-  # now using a "new" way of handling CUDA
-  add_executable(fmt-in-cuda-test cuda-cpp14.cu cpp14.cc)
-  set_target_properties(fmt-in-cuda-test PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
-  target_compile_features(fmt-in-cuda-test PRIVATE cxx_std_14)
-  if (MSVC)
-    # with MSVC, 'cxx_std_14' will only propagate to the host code (MSVC), but will
-    # not set __cplusplus correctly anyway, while nvcc will ignore it.
-    # If specified for nvcc on the command line as '-std=c++14' nvcc will emit this
-    # message instead:
-    # nvcc warning : The -std=c++14 flag is not supported with the configured host
-    #                compiler. Flag will be ignored.
-    set_property(SOURCE cuda-cpp14.cu APPEND PROPERTY
-      COMPILE_OPTIONS -Xcompiler /std:c++14 -Xcompiler /Zc:__cplusplus)
-    set_property(SOURCE cpp14.cc APPEND PROPERTY
-      COMPILE_OPTIONS /std:c++14 /Zc:__cplusplus)
-  endif()
-endif()
-
-get_target_property(IN_USE_CUDA_STANDARD fmt-in-cuda-test CUDA_STANDARD)
-message(STATUS "cuda_standard:          ${IN_USE_CUDA_STANDARD}")
-
-get_target_property(IN_USE_CUDA_STANDARD_REQUIRED
-    fmt-in-cuda-test CUDA_STANDARD_REQUIRED)
-message(STATUS "cuda_standard_required: ${IN_USE_CUDA_STANDARD_REQUIRED}")
-
-# We don't use PUBLIC or other keyword for reasons explained in the
-# CUDA_LINK_LIBRARIES_KEYWORD section in
-# https://cmake.org/cmake/help/latest/module/FindCUDA.html
-target_link_libraries(fmt-in-cuda-test fmt::fmt)
-
diff --git a/third_party/fmt-9.1.0/test/cuda-test/cpp14.cc b/third_party/fmt-9.1.0/test/cuda-test/cpp14.cc
deleted file mode 100644
index ad846396..00000000
--- a/third_party/fmt-9.1.0/test/cuda-test/cpp14.cc
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <fmt/core.h>
-
-// The purpose of this part is to ensure NVCC's host compiler also supports
-// the standard version. See 'cuda-cpp14.cu'.
-//
-// https://en.cppreference.com/w/cpp/preprocessor/replace#Predefined_macros
-static_assert(__cplusplus >= 201402L, "expect C++ 2014 for host compiler");
-
-auto make_message_cpp() -> std::string {
-  return fmt::format("host compiler \t: __cplusplus == {}", __cplusplus);
-}
diff --git a/third_party/fmt-9.1.0/test/cuda-test/cuda-cpp14.cu b/third_party/fmt-9.1.0/test/cuda-test/cuda-cpp14.cu
deleted file mode 100644
index 76a9d088..00000000
--- a/third_party/fmt-9.1.0/test/cuda-test/cuda-cpp14.cu
+++ /dev/null
@@ -1,28 +0,0 @@
-//  Direct NVCC command line example:
-//
-//  nvcc ./cuda-cpp14.cu -x cu -I"../include" -l"fmtd" -L"../build/Debug" \
-//       -std=c++14 -Xcompiler /std:c++14 -Xcompiler /Zc:__cplusplus
-
-// Ensure that we are using the latest C++ standard for NVCC
-// The version is C++14
-//
-// https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#c-cplusplus-language-support
-// https://en.cppreference.com/w/cpp/preprocessor/replace#Predefined_macros
-static_assert(__cplusplus >= 201402L, "expect C++ 2014 for nvcc");
-
-#include <fmt/core.h>
-
-#include <cuda.h>
-#include <iostream>
-
-extern auto make_message_cpp() -> std::string;
-extern auto make_message_cuda() -> std::string;
-
-int main() {
-  std::cout << make_message_cuda() << std::endl;
-  std::cout << make_message_cpp() << std::endl;
-}
-
-auto make_message_cuda() -> std::string {
-  return fmt::format("nvcc compiler \t: __cplusplus == {}", __cplusplus);
-}
diff --git a/third_party/fmt-9.1.0/test/detect-stdfs.cc b/third_party/fmt-9.1.0/test/detect-stdfs.cc
deleted file mode 100644
index 2dc66538..00000000
--- a/third_party/fmt-9.1.0/test/detect-stdfs.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Formatting library for C++ - tests of formatters for standard library types
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <exception>  // _GLIBCXX_RELEASE & _LIBCPP_VERSION
-
-#if defined(_GLIBCXX_RELEASE) && _GLIBCXX_RELEASE == 8
-#  error libfound "stdc++fs"
-#elif !defined(__apple_build_version__) && defined(_LIBCPP_VERSION) && \
-    _LIBCPP_VERSION >= 7000 && _LIBCPP_VERSION < 9000
-#  error libfound "c++fs"
-#else
-// none if std::filesystem does not require additional libraries
-#  error libfound ""
-#endif
diff --git a/third_party/fmt-9.1.0/test/enforce-checks-test.cc b/third_party/fmt-9.1.0/test/enforce-checks-test.cc
deleted file mode 100644
index c77cb142..00000000
--- a/third_party/fmt-9.1.0/test/enforce-checks-test.cc
+++ /dev/null
@@ -1,63 +0,0 @@
-// Formatting library for C++ - formatting library tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <iterator>
-#include <vector>
-
-#include "fmt/chrono.h"
-#include "fmt/color.h"
-#include "fmt/format.h"
-#include "fmt/ostream.h"
-#include "fmt/ranges.h"
-#include "fmt/xchar.h"
-
-// Exercise the API to verify that everything we expect to can compile.
-void test_format_api() {
-  (void)fmt::format(FMT_STRING("{}"), 42);
-  (void)fmt::format(FMT_STRING(L"{}"), 42);
-  (void)fmt::format(FMT_STRING("noop"));
-
-  (void)fmt::to_string(42);
-  (void)fmt::to_wstring(42);
-
-  std::vector<char> out;
-  fmt::format_to(std::back_inserter(out), FMT_STRING("{}"), 42);
-
-  char buffer[4];
-  fmt::format_to_n(buffer, 3, FMT_STRING("{}"), 12345);
-
-  wchar_t wbuffer[4];
-  fmt::format_to_n(wbuffer, 3, FMT_STRING(L"{}"), 12345);
-}
-
-void test_chrono() {
-  (void)fmt::format(FMT_STRING("{}"), std::chrono::seconds(42));
-  (void)fmt::format(FMT_STRING(L"{}"), std::chrono::seconds(42));
-}
-
-void test_text_style() {
-  fmt::print(fg(fmt::rgb(255, 20, 30)), FMT_STRING("{}"), "rgb(255,20,30)");
-  (void)fmt::format(fg(fmt::rgb(255, 20, 30)), FMT_STRING("{}"),
-                    "rgb(255,20,30)");
-
-  fmt::text_style ts = fg(fmt::rgb(255, 20, 30));
-  std::string out;
-  fmt::format_to(std::back_inserter(out), ts,
-                 FMT_STRING("rgb(255,20,30){}{}{}"), 1, 2, 3);
-}
-
-void test_range() {
-  std::vector<char> hello = {'h', 'e', 'l', 'l', 'o'};
-  (void)fmt::format(FMT_STRING("{}"), hello);
-}
-
-int main() {
-  test_format_api();
-  test_chrono();
-  test_text_style();
-  test_range();
-}
diff --git a/third_party/fmt-9.1.0/test/find-package-test/CMakeLists.txt b/third_party/fmt-9.1.0/test/find-package-test/CMakeLists.txt
deleted file mode 100644
index 93d686e6..00000000
--- a/third_party/fmt-9.1.0/test/find-package-test/CMakeLists.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-cmake_minimum_required(VERSION 3.1...3.18)
-
-project(fmt-test)
-
-find_package(FMT REQUIRED)
-
-add_executable(library-test main.cc)
-target_link_libraries(library-test fmt::fmt)
-target_compile_options(library-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-target_include_directories(library-test PUBLIC SYSTEM .)
-
-if (TARGET fmt::fmt-header-only)
-  add_executable(header-only-test main.cc)
-  target_link_libraries(header-only-test fmt::fmt-header-only)
-  target_compile_options(header-only-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
-  target_include_directories(header-only-test PUBLIC SYSTEM .)
-endif ()
diff --git a/third_party/fmt-9.1.0/test/find-package-test/main.cc b/third_party/fmt-9.1.0/test/find-package-test/main.cc
deleted file mode 100644
index 911e0e8d..00000000
--- a/third_party/fmt-9.1.0/test/find-package-test/main.cc
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "fmt/format.h"
-
-int main(int argc, char** argv) {
-  for (int i = 0; i < argc; ++i) fmt::print("{}: {}\n", i, argv[i]);
-}
diff --git a/third_party/fmt-9.1.0/test/format-impl-test.cc b/third_party/fmt-9.1.0/test/format-impl-test.cc
deleted file mode 100644
index 46486a6f..00000000
--- a/third_party/fmt-9.1.0/test/format-impl-test.cc
+++ /dev/null
@@ -1,547 +0,0 @@
-// Formatting library for C++ - formatting library implementation tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <algorithm>
-#include <cstring>
-
-// clang-format off
-#include "test-assert.h"
-// clang-format on
-
-#include "fmt/format.h"
-#include "gmock/gmock.h"
-#include "util.h"
-
-using fmt::detail::bigint;
-using fmt::detail::fp;
-using fmt::detail::max_value;
-
-static_assert(!std::is_copy_constructible<bigint>::value, "");
-static_assert(!std::is_copy_assignable<bigint>::value, "");
-
-TEST(bigint_test, construct) {
-  EXPECT_EQ(fmt::to_string(bigint()), "");
-  EXPECT_EQ(fmt::to_string(bigint(0x42)), "42");
-  EXPECT_EQ(fmt::to_string(bigint(0x123456789abcedf0)), "123456789abcedf0");
-}
-
-TEST(bigint_test, compare) {
-  bigint n1(42);
-  bigint n2(42);
-  EXPECT_EQ(compare(n1, n2), 0);
-  n2 <<= 32;
-  EXPECT_LT(compare(n1, n2), 0);
-  bigint n3(43);
-  EXPECT_LT(compare(n1, n3), 0);
-  EXPECT_GT(compare(n3, n1), 0);
-  bigint n4(42 * 0x100000001);
-  EXPECT_LT(compare(n2, n4), 0);
-  EXPECT_GT(compare(n4, n2), 0);
-}
-
-TEST(bigint_test, add_compare) {
-  EXPECT_LT(
-      add_compare(bigint(0xffffffff), bigint(0xffffffff), bigint(1) <<= 64), 0);
-  EXPECT_LT(add_compare(bigint(1) <<= 32, bigint(1), bigint(1) <<= 96), 0);
-  EXPECT_GT(add_compare(bigint(1) <<= 32, bigint(0), bigint(0xffffffff)), 0);
-  EXPECT_GT(add_compare(bigint(0), bigint(1) <<= 32, bigint(0xffffffff)), 0);
-  EXPECT_GT(add_compare(bigint(42), bigint(1), bigint(42)), 0);
-  EXPECT_GT(add_compare(bigint(0xffffffff), bigint(1), bigint(0xffffffff)), 0);
-  EXPECT_LT(add_compare(bigint(10), bigint(10), bigint(22)), 0);
-  EXPECT_LT(add_compare(bigint(0x100000010), bigint(0x100000010),
-                        bigint(0x300000010)),
-            0);
-  EXPECT_GT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
-                        bigint(0x300000000)),
-            0);
-  EXPECT_EQ(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
-                        bigint(0x300000001)),
-            0);
-  EXPECT_LT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
-                        bigint(0x300000002)),
-            0);
-  EXPECT_LT(add_compare(bigint(0x1ffffffff), bigint(0x100000002),
-                        bigint(0x300000003)),
-            0);
-}
-
-TEST(bigint_test, shift_left) {
-  bigint n(0x42);
-  n <<= 0;
-  EXPECT_EQ(fmt::to_string(n), "42");
-  n <<= 1;
-  EXPECT_EQ(fmt::to_string(n), "84");
-  n <<= 25;
-  EXPECT_EQ(fmt::to_string(n), "108000000");
-}
-
-TEST(bigint_test, multiply) {
-  bigint n(0x42);
-  EXPECT_THROW(n *= 0, assertion_failure);
-  n *= 1;
-  EXPECT_EQ(fmt::to_string(n), "42");
-
-  n *= 2;
-  EXPECT_EQ(fmt::to_string(n), "84");
-  n *= 0x12345678;
-  EXPECT_EQ(fmt::to_string(n), "962fc95e0");
-
-  bigint bigmax(max_value<uint32_t>());
-  bigmax *= max_value<uint32_t>();
-  EXPECT_EQ(fmt::to_string(bigmax), "fffffffe00000001");
-
-  const auto max64 = max_value<uint64_t>();
-  bigmax = max64;
-  bigmax *= max64;
-  EXPECT_EQ(fmt::to_string(bigmax), "fffffffffffffffe0000000000000001");
-
-  const auto max128 = (fmt::detail::uint128_t(max64) << 64) | max64;
-  bigmax = max128;
-  bigmax *= max128;
-  EXPECT_EQ(fmt::to_string(bigmax),
-            "fffffffffffffffffffffffffffffffe00000000000000000000000000000001");
-}
-
-TEST(bigint_test, square) {
-  bigint n0(0);
-  n0.square();
-  EXPECT_EQ(fmt::to_string(n0), "0");
-  bigint n1(0x100);
-  n1.square();
-  EXPECT_EQ(fmt::to_string(n1), "10000");
-  bigint n2(0xfffffffff);
-  n2.square();
-  EXPECT_EQ(fmt::to_string(n2), "ffffffffe000000001");
-  bigint n3(max_value<uint64_t>());
-  n3.square();
-  EXPECT_EQ(fmt::to_string(n3), "fffffffffffffffe0000000000000001");
-  bigint n4;
-  n4.assign_pow10(10);
-  EXPECT_EQ(fmt::to_string(n4), "2540be400");
-}
-
-TEST(bigint_test, divmod_assign_zero_divisor) {
-  bigint zero(0);
-  EXPECT_THROW(bigint(0).divmod_assign(zero), assertion_failure);
-  EXPECT_THROW(bigint(42).divmod_assign(zero), assertion_failure);
-}
-
-TEST(bigint_test, divmod_assign_self) {
-  bigint n(100);
-  EXPECT_THROW(n.divmod_assign(n), assertion_failure);
-}
-
-TEST(bigint_test, divmod_assign_unaligned) {
-  // (42 << 340) / pow(10, 100):
-  bigint n1(42);
-  n1 <<= 340;
-  bigint n2;
-  n2.assign_pow10(100);
-  int result = n1.divmod_assign(n2);
-  EXPECT_EQ(result, 9406);
-  EXPECT_EQ(fmt::to_string(n1),
-            "10f8353019583bfc29ffc8f564e1b9f9d819dbb4cf783e4507eca1539220p96");
-}
-
-TEST(bigint_test, divmod_assign) {
-  // 100 / 10:
-  bigint n1(100);
-  int result = n1.divmod_assign(bigint(10));
-  EXPECT_EQ(result, 10);
-  EXPECT_EQ(fmt::to_string(n1), "0");
-  // pow(10, 100) / (42 << 320):
-  n1.assign_pow10(100);
-  result = n1.divmod_assign(bigint(42) <<= 320);
-  EXPECT_EQ(result, 111);
-  EXPECT_EQ(fmt::to_string(n1),
-            "13ad2594c37ceb0b2784c4ce0bf38ace408e211a7caab24308a82e8f10p96");
-  // 42 / 100:
-  bigint n2(42);
-  n1.assign_pow10(2);
-  result = n2.divmod_assign(n1);
-  EXPECT_EQ(result, 0);
-  EXPECT_EQ(fmt::to_string(n2), "2a");
-}
-
-template <bool is_iec559> void run_double_tests() {
-  fmt::print("warning: double is not IEC559, skipping FP tests\n");
-}
-
-template <> void run_double_tests<true>() {
-  // Construct from double.
-  EXPECT_EQ(fp(1.23), fp(0x13ae147ae147aeu, -52));
-}
-
-TEST(fp_test, double_tests) {
-  run_double_tests<std::numeric_limits<double>::is_iec559>();
-}
-
-TEST(fp_test, normalize) {
-  const auto v = fp(0xbeef, 42);
-  auto normalized = normalize(v);
-  EXPECT_EQ(normalized.f, 0xbeef000000000000);
-  EXPECT_EQ(normalized.e, -6);
-}
-
-TEST(fp_test, multiply) {
-  auto v = fp(123ULL << 32, 4) * fp(56ULL << 32, 7);
-  EXPECT_EQ(v.f, 123u * 56u);
-  EXPECT_EQ(v.e, 4 + 7 + 64);
-  v = fp(123ULL << 32, 4) * fp(567ULL << 31, 8);
-  EXPECT_EQ(v.f, (123 * 567 + 1u) / 2);
-  EXPECT_EQ(v.e, 4 + 8 + 64);
-}
-
-TEST(fp_test, get_cached_power) {
-  using limits = std::numeric_limits<double>;
-  for (auto exp = limits::min_exponent; exp <= limits::max_exponent; ++exp) {
-    int dec_exp = 0;
-    auto power = fmt::detail::get_cached_power(exp, dec_exp);
-    bigint exact, cache(power.f);
-    if (dec_exp >= 0) {
-      exact.assign_pow10(dec_exp);
-      if (power.e <= 0)
-        exact <<= -power.e;
-      else
-        cache <<= power.e;
-      exact.align(cache);
-      cache.align(exact);
-      auto exact_str = fmt::to_string(exact);
-      auto cache_str = fmt::to_string(cache);
-      EXPECT_EQ(exact_str.size(), cache_str.size());
-      EXPECT_EQ(exact_str.substr(0, 15), cache_str.substr(0, 15));
-      int diff = cache_str[15] - exact_str[15];
-      if (diff == 1)
-        EXPECT_GT(exact_str[16], '8');
-      else
-        EXPECT_EQ(diff, 0);
-    } else {
-      cache.assign_pow10(-dec_exp);
-      cache *= power.f + 1;  // Inexact check.
-      exact = 1;
-      exact <<= -power.e;
-      exact.align(cache);
-      auto exact_str = fmt::to_string(exact);
-      auto cache_str = fmt::to_string(cache);
-      EXPECT_EQ(exact_str.size(), cache_str.size());
-      EXPECT_EQ(exact_str.substr(0, 16), cache_str.substr(0, 16));
-    }
-  }
-}
-
-TEST(fp_test, dragonbox_max_k) {
-  using fmt::detail::dragonbox::floor_log10_pow2;
-  using float_info = fmt::detail::dragonbox::float_info<float>;
-  EXPECT_EQ(
-      fmt::detail::const_check(float_info::max_k),
-      float_info::kappa -
-          floor_log10_pow2(std::numeric_limits<float>::min_exponent -
-                           fmt::detail::num_significand_bits<float>() - 1));
-  using double_info = fmt::detail::dragonbox::float_info<double>;
-  EXPECT_EQ(
-      fmt::detail::const_check(double_info::max_k),
-      double_info::kappa -
-          floor_log10_pow2(std::numeric_limits<double>::min_exponent -
-                           fmt::detail::num_significand_bits<double>() - 1));
-}
-
-TEST(fp_test, get_round_direction) {
-  using fmt::detail::get_round_direction;
-  using fmt::detail::round_direction;
-  EXPECT_EQ(get_round_direction(100, 50, 0), round_direction::down);
-  EXPECT_EQ(get_round_direction(100, 51, 0), round_direction::up);
-  EXPECT_EQ(get_round_direction(100, 40, 10), round_direction::down);
-  EXPECT_EQ(get_round_direction(100, 60, 10), round_direction::up);
-  for (size_t i = 41; i < 60; ++i)
-    EXPECT_EQ(get_round_direction(100, i, 10), round_direction::unknown);
-  uint64_t max = max_value<uint64_t>();
-  EXPECT_THROW(get_round_direction(100, 100, 0), assertion_failure);
-  EXPECT_THROW(get_round_direction(100, 0, 100), assertion_failure);
-  EXPECT_THROW(get_round_direction(100, 0, 50), assertion_failure);
-  // Check that remainder + error doesn't overflow.
-  EXPECT_EQ(get_round_direction(max, max - 1, 2), round_direction::up);
-  // Check that 2 * (remainder + error) doesn't overflow.
-  EXPECT_EQ(get_round_direction(max, max / 2 + 1, max / 2),
-            round_direction::unknown);
-  // Check that remainder - error doesn't overflow.
-  EXPECT_EQ(get_round_direction(100, 40, 41), round_direction::unknown);
-  // Check that 2 * (remainder - error) doesn't overflow.
-  EXPECT_EQ(get_round_direction(max, max - 1, 1), round_direction::up);
-}
-
-TEST(fp_test, fixed_handler) {
-  struct handler : fmt::detail::gen_digits_handler {
-    char buffer[10];
-    handler(int prec = 0) : fmt::detail::gen_digits_handler() {
-      buf = buffer;
-      precision = prec;
-    }
-  };
-  handler().on_digit('0', 100, 99, 0, false);
-  EXPECT_THROW(handler().on_digit('0', 100, 100, 0, false), assertion_failure);
-  namespace digits = fmt::detail::digits;
-  EXPECT_EQ(handler(1).on_digit('0', 100, 10, 10, false), digits::error);
-  // Check that divisor - error doesn't overflow.
-  EXPECT_EQ(handler(1).on_digit('0', 100, 10, 101, false), digits::error);
-  // Check that 2 * error doesn't overflow.
-  uint64_t max = max_value<uint64_t>();
-  EXPECT_EQ(handler(1).on_digit('0', max, 10, max - 1, false), digits::error);
-}
-
-TEST(fp_test, grisu_format_compiles_with_on_ieee_double) {
-  auto buf = fmt::memory_buffer();
-  format_float(0.42, -1, fmt::detail::float_specs(), buf);
-}
-
-TEST(format_impl_test, format_error_code) {
-  std::string msg = "error 42", sep = ": ";
-  {
-    auto buffer = fmt::memory_buffer();
-    format_to(fmt::appender(buffer), "garbage");
-    fmt::detail::format_error_code(buffer, 42, "test");
-    EXPECT_EQ(to_string(buffer), "test: " + msg);
-  }
-  {
-    auto buffer = fmt::memory_buffer();
-    auto prefix =
-        std::string(fmt::inline_buffer_size - msg.size() - sep.size() + 1, 'x');
-    fmt::detail::format_error_code(buffer, 42, prefix);
-    EXPECT_EQ(msg, to_string(buffer));
-  }
-  int codes[] = {42, -1};
-  for (size_t i = 0, n = sizeof(codes) / sizeof(*codes); i < n; ++i) {
-    // Test maximum buffer size.
-    msg = fmt::format("error {}", codes[i]);
-    fmt::memory_buffer buffer;
-    auto prefix =
-        std::string(fmt::inline_buffer_size - msg.size() - sep.size(), 'x');
-    fmt::detail::format_error_code(buffer, codes[i], prefix);
-    EXPECT_EQ(prefix + sep + msg, to_string(buffer));
-    size_t size = fmt::inline_buffer_size;
-    EXPECT_EQ(size, buffer.size());
-    buffer.resize(0);
-    // Test with a message that doesn't fit into the buffer.
-    prefix += 'x';
-    fmt::detail::format_error_code(buffer, codes[i], prefix);
-    EXPECT_EQ(to_string(buffer), msg);
-  }
-}
-
-TEST(format_impl_test, compute_width) {
-  EXPECT_EQ(4,
-            fmt::detail::compute_width(
-                fmt::basic_string_view<fmt::detail::char8_type>(
-                    reinterpret_cast<const fmt::detail::char8_type*>("ёжик"))));
-}
-
-// Tests fmt::detail::count_digits for integer type Int.
-template <typename Int> void test_count_digits() {
-  for (Int i = 0; i < 10; ++i) EXPECT_EQ(1u, fmt::detail::count_digits(i));
-  for (Int i = 1, n = 1, end = max_value<Int>() / 10; n <= end; ++i) {
-    n *= 10;
-    EXPECT_EQ(fmt::detail::count_digits(n - 1), i);
-    EXPECT_EQ(fmt::detail::count_digits(n), i + 1);
-  }
-}
-
-TEST(format_impl_test, count_digits) {
-  test_count_digits<uint32_t>();
-  test_count_digits<uint64_t>();
-}
-
-#if FMT_USE_FLOAT128
-TEST(format_impl_test, write_float128) {
-  auto s = std::string();
-  fmt::detail::write<char>(std::back_inserter(s), __float128(42));
-  EXPECT_EQ(s, "42");
-}
-#endif
-
-struct double_double {
-  double a;
-  double b;
-
-  explicit constexpr double_double(double a_val = 0, double b_val = 0)
-      : a(a_val), b(b_val) {}
-
-  operator double() const { return a + b; }
-  auto operator-() const -> double_double { return double_double(-a, -b); }
-};
-
-bool operator>=(const double_double& lhs, const double_double& rhs) {
-  return lhs.a + lhs.b >= rhs.a + rhs.b;
-}
-
-struct slow_float {
-  float value;
-
-  explicit constexpr slow_float(float val = 0) : value(val) {}
-  operator float() const { return value; }
-  auto operator-() const -> slow_float { return slow_float(-value); }
-};
-
-namespace std {
-template <> struct is_floating_point<double_double> : std::true_type {};
-template <> struct numeric_limits<double_double> {
-  // is_iec559 is true for double-double in libstdc++.
-  static constexpr bool is_iec559 = true;
-  static constexpr int digits = 106;
-};
-
-template <> struct is_floating_point<slow_float> : std::true_type {};
-template <> struct numeric_limits<slow_float> : numeric_limits<float> {};
-}  // namespace std
-
-FMT_BEGIN_NAMESPACE
-namespace detail {
-template <> struct is_fast_float<slow_float> : std::false_type {};
-namespace dragonbox {
-template <> struct float_info<slow_float> {
-  using carrier_uint = uint32_t;
-  static const int exponent_bits = 8;
-};
-}  // namespace dragonbox
-}  // namespace detail
-FMT_END_NAMESPACE
-
-TEST(format_impl_test, write_double_double) {
-  auto s = std::string();
-  fmt::detail::write<char>(std::back_inserter(s), double_double(42), {});
-  // Specializing is_floating_point is broken in MSVC.
-  if (!FMT_MSC_VERSION) EXPECT_EQ(s, "42");
-}
-
-TEST(format_impl_test, write_dragon_even) {
-  auto s = std::string();
-  fmt::detail::write<char>(std::back_inserter(s), slow_float(33554450.0f), {});
-  // Specializing is_floating_point is broken in MSVC.
-  if (!FMT_MSC_VERSION) EXPECT_EQ(s, "33554450");
-}
-
-#ifdef _WIN32
-#  include <windows.h>
-
-TEST(format_impl_test, write_console_signature) {
-  decltype(::WriteConsoleW)* p = fmt::detail::WriteConsoleW;
-  (void)p;
-}
-#endif
-
-// A public domain branchless UTF-8 decoder by Christopher Wellons:
-// https://github.com/skeeto/branchless-utf8
-constexpr bool unicode_is_surrogate(uint32_t c) {
-  return c >= 0xD800U && c <= 0xDFFFU;
-}
-
-FMT_CONSTEXPR char* utf8_encode(char* s, uint32_t c) {
-  if (c >= (1UL << 16)) {
-    s[0] = static_cast<char>(0xf0 | (c >> 18));
-    s[1] = static_cast<char>(0x80 | ((c >> 12) & 0x3f));
-    s[2] = static_cast<char>(0x80 | ((c >> 6) & 0x3f));
-    s[3] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
-    return s + 4;
-  } else if (c >= (1UL << 11)) {
-    s[0] = static_cast<char>(0xe0 | (c >> 12));
-    s[1] = static_cast<char>(0x80 | ((c >> 6) & 0x3f));
-    s[2] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
-    return s + 3;
-  } else if (c >= (1UL << 7)) {
-    s[0] = static_cast<char>(0xc0 | (c >> 6));
-    s[1] = static_cast<char>(0x80 | ((c >> 0) & 0x3f));
-    return s + 2;
-  } else {
-    s[0] = static_cast<char>(c);
-    return s + 1;
-  }
-}
-
-// Make sure it can decode every character
-TEST(format_impl_test, utf8_decode_decode_all) {
-  for (uint32_t i = 0; i < 0x10ffff; i++) {
-    if (!unicode_is_surrogate(i)) {
-      int e;
-      uint32_t c;
-      char buf[8] = {0};
-      char* end = utf8_encode(buf, i);
-      const char* res = fmt::detail::utf8_decode(buf, &c, &e);
-      EXPECT_EQ(end, res);
-      EXPECT_EQ(c, i);
-      EXPECT_EQ(e, 0);
-    }
-  }
-}
-
-// Reject everything outside of U+0000..U+10FFFF
-TEST(format_impl_test, utf8_decode_out_of_range) {
-  for (uint32_t i = 0x110000; i < 0x1fffff; i++) {
-    int e;
-    uint32_t c;
-    char buf[8] = {0};
-    utf8_encode(buf, i);
-    const char* end = fmt::detail::utf8_decode(buf, &c, &e);
-    EXPECT_NE(e, 0);
-    EXPECT_EQ(end - buf, 4);
-  }
-}
-
-// Does it reject all surrogate halves?
-TEST(format_impl_test, utf8_decode_surrogate_halves) {
-  for (uint32_t i = 0xd800; i <= 0xdfff; i++) {
-    int e;
-    uint32_t c;
-    char buf[8] = {0};
-    utf8_encode(buf, i);
-    fmt::detail::utf8_decode(buf, &c, &e);
-    EXPECT_NE(e, 0);
-  }
-}
-
-// How about non-canonical encodings?
-TEST(format_impl_test, utf8_decode_non_canonical_encodings) {
-  int e;
-  uint32_t c;
-  const char* end;
-
-  char buf2[8] = {char(0xc0), char(0xA4)};
-  end = fmt::detail::utf8_decode(buf2, &c, &e);
-  EXPECT_NE(e, 0);           // non-canonical len 2
-  EXPECT_EQ(end, buf2 + 2);  // non-canonical recover 2
-
-  char buf3[8] = {char(0xe0), char(0x80), char(0xA4)};
-  end = fmt::detail::utf8_decode(buf3, &c, &e);
-  EXPECT_NE(e, 0);           // non-canonical len 3
-  EXPECT_EQ(end, buf3 + 3);  // non-canonical recover 3
-
-  char buf4[8] = {char(0xf0), char(0x80), char(0x80), char(0xA4)};
-  end = fmt::detail::utf8_decode(buf4, &c, &e);
-  EXPECT_NE(e, 0);           // non-canonical encoding len 4
-  EXPECT_EQ(end, buf4 + 4);  // non-canonical recover 4
-}
-
-// Let's try some bogus byte sequences
-TEST(format_impl_test, utf8_decode_bogus_byte_sequences) {
-  int e;
-  uint32_t c;
-
-  // Invalid first byte
-  char buf0[4] = {char(0xff)};
-  auto len = fmt::detail::utf8_decode(buf0, &c, &e) - buf0;
-  EXPECT_NE(e, 0);    // "bogus [ff] 0x%02x U+%04lx", e, (unsigned long)c);
-  EXPECT_EQ(len, 1);  // "bogus [ff] recovery %d", len);
-
-  // Invalid first byte
-  char buf1[4] = {char(0x80)};
-  len = fmt::detail::utf8_decode(buf1, &c, &e) - buf1;
-  EXPECT_NE(e, 0);    // "bogus [80] 0x%02x U+%04lx", e, (unsigned long)c);
-  EXPECT_EQ(len, 1);  // "bogus [80] recovery %d", len);
-
-  // Looks like a two-byte sequence but second byte is wrong
-  char buf2[4] = {char(0xc0), char(0x0a)};
-  len = fmt::detail::utf8_decode(buf2, &c, &e) - buf2;
-  EXPECT_NE(e, 0);    // "bogus [c0 0a] 0x%02x U+%04lx", e, (unsigned long)c
-  EXPECT_EQ(len, 2);  // "bogus [c0 0a] recovery %d", len);
-}
diff --git a/third_party/fmt-9.1.0/test/format-test.cc b/third_party/fmt-9.1.0/test/format-test.cc
deleted file mode 100644
index f3bdb464..00000000
--- a/third_party/fmt-9.1.0/test/format-test.cc
+++ /dev/null
@@ -1,2311 +0,0 @@
-// Formatting library for C++ - formatting library tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-// Check if fmt/format.h compiles with windows.h included before it.
-#ifdef _WIN32
-#  include <windows.h>
-#endif
-// clang-format off
-#include "fmt/format.h"
-// clang-format on
-
-#include <stdint.h>  // uint32_t
-
-#include <climits>      // INT_MAX
-#include <cmath>        // std::signbit
-#include <cstring>      // std::strlen
-#include <iterator>     // std::back_inserter
-#include <list>         // std::list
-#include <memory>       // std::unique_ptr
-#include <type_traits>  // std::is_default_constructible
-
-#include "gtest-extra.h"
-#include "mock-allocator.h"
-#include "util.h"
-
-using fmt::basic_memory_buffer;
-using fmt::format_error;
-using fmt::memory_buffer;
-using fmt::runtime;
-using fmt::string_view;
-using fmt::detail::max_value;
-using fmt::detail::uint128_fallback;
-
-using testing::Return;
-using testing::StrictMock;
-
-enum { buffer_size = 256 };
-
-TEST(uint128_test, ctor) {
-  auto n = uint128_fallback();
-  EXPECT_EQ(n, 0);
-  n = uint128_fallback(42);
-  EXPECT_EQ(n, 42);
-  EXPECT_EQ(static_cast<uint64_t>(n), 42);
-}
-
-TEST(uint128_test, shift) {
-  auto n = uint128_fallback(42);
-  n = n << 64;
-  EXPECT_EQ(static_cast<uint64_t>(n), 0);
-  n = n >> 64;
-  EXPECT_EQ(static_cast<uint64_t>(n), 42);
-  n = n << 62;
-  EXPECT_EQ(static_cast<uint64_t>(n >> 64), 0xa);
-  EXPECT_EQ(static_cast<uint64_t>(n), 0x8000000000000000);
-  n = n >> 62;
-  EXPECT_EQ(static_cast<uint64_t>(n), 42);
-  EXPECT_EQ(uint128_fallback(1) << 112, uint128_fallback(0x1000000000000, 0));
-  EXPECT_EQ(uint128_fallback(0x1000000000000, 0) >> 112, uint128_fallback(1));
-}
-
-TEST(uint128_test, minus) {
-  auto n = uint128_fallback(42);
-  EXPECT_EQ(n - 2, 40);
-}
-
-TEST(uint128_test, plus_assign) {
-  auto n = uint128_fallback(32);
-  n += uint128_fallback(10);
-  EXPECT_EQ(n, 42);
-  n = uint128_fallback(max_value<uint64_t>());
-  n += uint128_fallback(1);
-  EXPECT_EQ(n, uint128_fallback(1) << 64);
-}
-
-TEST(uint128_test, multiply) {
-  auto n = uint128_fallback(2251799813685247);
-  n = n * 3611864890;
-  EXPECT_EQ(static_cast<uint64_t>(n >> 64), 440901);
-}
-
-template <typename Float> void check_isfinite() {
-  using fmt::detail::isfinite;
-  EXPECT_TRUE(isfinite(Float(0.0)));
-  EXPECT_TRUE(isfinite(Float(42.0)));
-  EXPECT_TRUE(isfinite(Float(-42.0)));
-  EXPECT_TRUE(isfinite(Float(fmt::detail::max_value<double>())));
-  // Use double because std::numeric_limits is broken for __float128.
-  using limits = std::numeric_limits<double>;
-  FMT_CONSTEXPR20 auto result = isfinite(Float(limits::infinity()));
-  EXPECT_FALSE(result);
-  EXPECT_FALSE(isfinite(Float(limits::infinity())));
-  EXPECT_FALSE(isfinite(Float(-limits::infinity())));
-  EXPECT_FALSE(isfinite(Float(limits::quiet_NaN())));
-  EXPECT_FALSE(isfinite(Float(-limits::quiet_NaN())));
-}
-
-TEST(float_test, isfinite) {
-  check_isfinite<double>();
-#if FMT_USE_FLOAT128
-  check_isfinite<fmt::detail::float128>();
-#endif
-}
-
-template <typename Float> void check_isnan() {
-  using fmt::detail::isnan;
-  EXPECT_FALSE(isnan(Float(0.0)));
-  EXPECT_FALSE(isnan(Float(42.0)));
-  EXPECT_FALSE(isnan(Float(-42.0)));
-  EXPECT_FALSE(isnan(Float(fmt::detail::max_value<double>())));
-  // Use double because std::numeric_limits is broken for __float128.
-  using limits = std::numeric_limits<double>;
-  EXPECT_FALSE(isnan(Float(limits::infinity())));
-  EXPECT_FALSE(isnan(Float(-limits::infinity())));
-  EXPECT_TRUE(isnan(Float(limits::quiet_NaN())));
-  EXPECT_TRUE(isnan(Float(-limits::quiet_NaN())));
-}
-
-TEST(float_test, isnan) {
-  check_isnan<double>();
-#if FMT_USE_FLOAT128
-  check_isnan<fmt::detail::float128>();
-#endif
-}
-
-struct uint32_pair {
-  uint32_t u[2];
-};
-
-TEST(util_test, bit_cast) {
-  auto s = fmt::detail::bit_cast<uint32_pair>(uint64_t{42});
-  EXPECT_EQ(fmt::detail::bit_cast<uint64_t>(s), 42ull);
-  s = fmt::detail::bit_cast<uint32_pair>(~uint64_t{0});
-  EXPECT_EQ(fmt::detail::bit_cast<uint64_t>(s), ~0ull);
-}
-
-// Increment a number in a string.
-void increment(char* s) {
-  for (int i = static_cast<int>(std::strlen(s)) - 1; i >= 0; --i) {
-    if (s[i] != '9') {
-      ++s[i];
-      break;
-    }
-    s[i] = '0';
-  }
-}
-
-TEST(util_test, increment) {
-  char s[10] = "123";
-  increment(s);
-  EXPECT_STREQ("124", s);
-  s[2] = '8';
-  increment(s);
-  EXPECT_STREQ("129", s);
-  increment(s);
-  EXPECT_STREQ("130", s);
-  s[1] = s[2] = '9';
-  increment(s);
-  EXPECT_STREQ("200", s);
-}
-
-TEST(util_test, parse_nonnegative_int) {
-  auto s = fmt::string_view("10000000000");
-  auto begin = s.begin(), end = s.end();
-  EXPECT_EQ(fmt::detail::parse_nonnegative_int(begin, end, -1), -1);
-  s = "2147483649";
-  begin = s.begin();
-  end = s.end();
-  EXPECT_EQ(fmt::detail::parse_nonnegative_int(begin, end, -1), -1);
-}
-
-TEST(util_test, utf8_to_utf16) {
-  auto u = fmt::detail::utf8_to_utf16("лошадка");
-  EXPECT_EQ(L"\x043B\x043E\x0448\x0430\x0434\x043A\x0430", u.str());
-  EXPECT_EQ(7, u.size());
-  // U+10437 { DESERET SMALL LETTER YEE }
-  EXPECT_EQ(L"\xD801\xDC37", fmt::detail::utf8_to_utf16("𐐷").str());
-  EXPECT_THROW_MSG(fmt::detail::utf8_to_utf16("\xc3\x28"), std::runtime_error,
-                   "invalid utf8");
-  EXPECT_THROW_MSG(fmt::detail::utf8_to_utf16(fmt::string_view("л", 1)),
-                   std::runtime_error, "invalid utf8");
-  EXPECT_EQ(L"123456", fmt::detail::utf8_to_utf16("123456").str());
-}
-
-TEST(util_test, utf8_to_utf16_empty_string) {
-  auto s = std::string();
-  auto u = fmt::detail::utf8_to_utf16(s.c_str());
-  EXPECT_EQ(L"", u.str());
-  EXPECT_EQ(s.size(), u.size());
-}
-
-TEST(util_test, allocator_ref) {
-  using test_allocator_ref = allocator_ref<mock_allocator<int>>;
-  auto check_forwarding = [](mock_allocator<int>& alloc,
-                             test_allocator_ref& ref) {
-    int mem;
-    // Check if value_type is properly defined.
-    allocator_ref<mock_allocator<int>>::value_type* ptr = &mem;
-    // Check forwarding.
-    EXPECT_CALL(alloc, allocate(42)).WillOnce(Return(ptr));
-    ref.allocate(42);
-    EXPECT_CALL(alloc, deallocate(ptr, 42));
-    ref.deallocate(ptr, 42);
-  };
-
-  StrictMock<mock_allocator<int>> alloc;
-  auto ref = test_allocator_ref(&alloc);
-  // Check if allocator_ref forwards to the underlying allocator.
-  check_forwarding(alloc, ref);
-  test_allocator_ref ref2(ref);
-  check_forwarding(alloc, ref2);
-  test_allocator_ref ref3;
-  EXPECT_EQ(nullptr, ref3.get());
-  ref3 = ref;
-  check_forwarding(alloc, ref3);
-}
-
-TEST(util_test, format_system_error) {
-  fmt::memory_buffer message;
-  fmt::format_system_error(message, EDOM, "test");
-  auto ec = std::error_code(EDOM, std::generic_category());
-  EXPECT_EQ(to_string(message), std::system_error(ec, "test").what());
-  message = fmt::memory_buffer();
-
-  // Check if std::allocator throws on allocating max size_t / 2 chars.
-  size_t max_size = max_value<size_t>() / 2;
-  bool throws_on_alloc = false;
-  try {
-    auto alloc = std::allocator<char>();
-    alloc.deallocate(alloc.allocate(max_size), max_size);
-  } catch (const std::bad_alloc&) {
-    throws_on_alloc = true;
-  }
-  if (!throws_on_alloc) {
-    fmt::print("warning: std::allocator allocates {} chars\n", max_size);
-    return;
-  }
-}
-
-TEST(util_test, system_error) {
-  auto test_error = fmt::system_error(EDOM, "test");
-  auto ec = std::error_code(EDOM, std::generic_category());
-  EXPECT_STREQ(test_error.what(), std::system_error(ec, "test").what());
-  EXPECT_EQ(test_error.code(), ec);
-
-  auto error = std::system_error(std::error_code());
-  try {
-    throw fmt::system_error(EDOM, "test {}", "error");
-  } catch (const std::system_error& e) {
-    error = e;
-  }
-  fmt::memory_buffer message;
-  fmt::format_system_error(message, EDOM, "test error");
-  EXPECT_EQ(error.what(), to_string(message));
-  EXPECT_EQ(error.code(), std::error_code(EDOM, std::generic_category()));
-}
-
-TEST(util_test, report_system_error) {
-  fmt::memory_buffer out;
-  fmt::format_system_error(out, EDOM, "test error");
-  out.push_back('\n');
-  EXPECT_WRITE(stderr, fmt::report_system_error(EDOM, "test error"),
-               to_string(out));
-}
-
-TEST(memory_buffer_test, ctor) {
-  basic_memory_buffer<char, 123> buffer;
-  EXPECT_EQ(static_cast<size_t>(0), buffer.size());
-  EXPECT_EQ(123u, buffer.capacity());
-}
-
-using std_allocator = allocator_ref<std::allocator<char>>;
-
-TEST(memory_buffer_test, move_ctor_inline_buffer) {
-  auto check_move_buffer =
-      [](const char* str, basic_memory_buffer<char, 5, std_allocator>& buffer) {
-        std::allocator<char>* alloc = buffer.get_allocator().get();
-        basic_memory_buffer<char, 5, std_allocator> buffer2(std::move(buffer));
-        // Move shouldn't destroy the inline content of the first buffer.
-        EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
-        EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
-        EXPECT_EQ(5u, buffer2.capacity());
-        // Move should transfer allocator.
-        EXPECT_EQ(nullptr, buffer.get_allocator().get());
-        EXPECT_EQ(alloc, buffer2.get_allocator().get());
-      };
-
-  auto alloc = std::allocator<char>();
-  basic_memory_buffer<char, 5, std_allocator> buffer((std_allocator(&alloc)));
-  const char test[] = "test";
-  buffer.append(string_view(test, 4));
-  check_move_buffer("test", buffer);
-  // Adding one more character fills the inline buffer, but doesn't cause
-  // dynamic allocation.
-  buffer.push_back('a');
-  check_move_buffer("testa", buffer);
-}
-
-TEST(memory_buffer_test, move_ctor_dynamic_buffer) {
-  auto alloc = std::allocator<char>();
-  basic_memory_buffer<char, 4, std_allocator> buffer((std_allocator(&alloc)));
-  const char test[] = "test";
-  buffer.append(test, test + 4);
-  const char* inline_buffer_ptr = &buffer[0];
-  // Adding one more character causes the content to move from the inline to
-  // a dynamically allocated buffer.
-  buffer.push_back('a');
-  basic_memory_buffer<char, 4, std_allocator> buffer2(std::move(buffer));
-  // Move should rip the guts of the first buffer.
-  EXPECT_EQ(&buffer[0], inline_buffer_ptr);
-  EXPECT_EQ(buffer.size(), 0);
-  EXPECT_EQ(std::string(&buffer2[0], buffer2.size()), "testa");
-  EXPECT_GT(buffer2.capacity(), 4u);
-}
-
-void check_move_assign_buffer(const char* str,
-                              basic_memory_buffer<char, 5>& buffer) {
-  basic_memory_buffer<char, 5> buffer2;
-  buffer2 = std::move(buffer);
-  // Move shouldn't destroy the inline content of the first buffer.
-  EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
-  EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
-  EXPECT_EQ(5u, buffer2.capacity());
-}
-
-TEST(memory_buffer_test, move_assignment) {
-  basic_memory_buffer<char, 5> buffer;
-  const char test[] = "test";
-  buffer.append(test, test + 4);
-  check_move_assign_buffer("test", buffer);
-  // Adding one more character fills the inline buffer, but doesn't cause
-  // dynamic allocation.
-  buffer.push_back('a');
-  check_move_assign_buffer("testa", buffer);
-  const char* inline_buffer_ptr = &buffer[0];
-  // Adding one more character causes the content to move from the inline to
-  // a dynamically allocated buffer.
-  buffer.push_back('b');
-  basic_memory_buffer<char, 5> buffer2;
-  buffer2 = std::move(buffer);
-  // Move should rip the guts of the first buffer.
-  EXPECT_EQ(inline_buffer_ptr, &buffer[0]);
-  EXPECT_EQ("testab", std::string(&buffer2[0], buffer2.size()));
-  EXPECT_GT(buffer2.capacity(), 5u);
-}
-
-TEST(memory_buffer_test, grow) {
-  typedef allocator_ref<mock_allocator<int>> Allocator;
-  mock_allocator<int> alloc;
-  basic_memory_buffer<int, 10, Allocator> buffer((Allocator(&alloc)));
-  buffer.resize(7);
-  using fmt::detail::to_unsigned;
-  for (int i = 0; i < 7; ++i) buffer[to_unsigned(i)] = i * i;
-  EXPECT_EQ(10u, buffer.capacity());
-  int mem[20];
-  mem[7] = 0xdead;
-  EXPECT_CALL(alloc, allocate(20)).WillOnce(Return(mem));
-  buffer.try_reserve(20);
-  EXPECT_EQ(20u, buffer.capacity());
-  // Check if size elements have been copied
-  for (int i = 0; i < 7; ++i) EXPECT_EQ(i * i, buffer[to_unsigned(i)]);
-  // and no more than that.
-  EXPECT_EQ(0xdead, buffer[7]);
-  EXPECT_CALL(alloc, deallocate(mem, 20));
-}
-
-TEST(memory_buffer_test, allocator) {
-  using test_allocator = allocator_ref<mock_allocator<char>>;
-  basic_memory_buffer<char, 10, test_allocator> buffer;
-  EXPECT_EQ(nullptr, buffer.get_allocator().get());
-  StrictMock<mock_allocator<char>> alloc;
-  char mem;
-  {
-    basic_memory_buffer<char, 10, test_allocator> buffer2(
-        (test_allocator(&alloc)));
-    EXPECT_EQ(&alloc, buffer2.get_allocator().get());
-    size_t size = 2 * fmt::inline_buffer_size;
-    EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem));
-    buffer2.reserve(size);
-    EXPECT_CALL(alloc, deallocate(&mem, size));
-  }
-}
-
-TEST(memory_buffer_test, exception_in_deallocate) {
-  using test_allocator = allocator_ref<mock_allocator<char>>;
-  StrictMock<mock_allocator<char>> alloc;
-  basic_memory_buffer<char, 10, test_allocator> buffer(
-      (test_allocator(&alloc)));
-  size_t size = 2 * fmt::inline_buffer_size;
-  auto mem = std::vector<char>(size);
-  {
-    EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem[0]));
-    buffer.resize(size);
-    std::fill(&buffer[0], &buffer[0] + size, 'x');
-  }
-  auto mem2 = std::vector<char>(2 * size);
-  {
-    EXPECT_CALL(alloc, allocate(2 * size)).WillOnce(Return(&mem2[0]));
-    auto e = std::exception();
-    EXPECT_CALL(alloc, deallocate(&mem[0], size)).WillOnce(testing::Throw(e));
-    EXPECT_THROW(buffer.reserve(2 * size), std::exception);
-    EXPECT_EQ(&mem2[0], &buffer[0]);
-    // Check that the data has been copied.
-    for (size_t i = 0; i < size; ++i) EXPECT_EQ('x', buffer[i]);
-  }
-  EXPECT_CALL(alloc, deallocate(&mem2[0], 2 * size));
-}
-
-template <typename Allocator, size_t MaxSize>
-class max_size_allocator : public Allocator {
- public:
-  using typename Allocator::value_type;
-  size_t max_size() const noexcept { return MaxSize; }
-  value_type* allocate(size_t n) {
-    if (n > max_size()) {
-      throw std::length_error("size > max_size");
-    }
-    return std::allocator_traits<Allocator>::allocate(
-        *static_cast<Allocator*>(this), n);
-  }
-  void deallocate(value_type* p, size_t n) {
-    std::allocator_traits<Allocator>::deallocate(*static_cast<Allocator*>(this),
-                                                 p, n);
-  }
-};
-
-TEST(memory_buffer_test, max_size_allocator) {
-  // 160 = 128 + 32
-  using test_allocator = max_size_allocator<std::allocator<char>, 160>;
-  basic_memory_buffer<char, 10, test_allocator> buffer;
-  buffer.resize(128);
-  // new_capacity = 128 + 128/2 = 192 > 160
-  buffer.resize(160);  // Shouldn't throw.
-}
-
-TEST(memory_buffer_test, max_size_allocator_overflow) {
-  using test_allocator = max_size_allocator<std::allocator<char>, 160>;
-  basic_memory_buffer<char, 10, test_allocator> buffer;
-  EXPECT_THROW(buffer.resize(161), std::exception);
-}
-
-TEST(format_test, escape) {
-  EXPECT_EQ("{", fmt::format("{{"));
-  EXPECT_EQ("before {", fmt::format("before {{"));
-  EXPECT_EQ("{ after", fmt::format("{{ after"));
-  EXPECT_EQ("before { after", fmt::format("before {{ after"));
-
-  EXPECT_EQ("}", fmt::format("}}"));
-  EXPECT_EQ("before }", fmt::format("before }}"));
-  EXPECT_EQ("} after", fmt::format("}} after"));
-  EXPECT_EQ("before } after", fmt::format("before }} after"));
-
-  EXPECT_EQ("{}", fmt::format("{{}}"));
-  EXPECT_EQ("{42}", fmt::format("{{{0}}}", 42));
-}
-
-TEST(format_test, unmatched_braces) {
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{")), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("}")), format_error,
-                   "unmatched '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0{}")), format_error,
-                   "invalid format string");
-}
-
-TEST(format_test, no_args) { EXPECT_EQ("test", fmt::format("test")); }
-
-TEST(format_test, args_in_different_positions) {
-  EXPECT_EQ("42", fmt::format("{0}", 42));
-  EXPECT_EQ("before 42", fmt::format("before {0}", 42));
-  EXPECT_EQ("42 after", fmt::format("{0} after", 42));
-  EXPECT_EQ("before 42 after", fmt::format("before {0} after", 42));
-  EXPECT_EQ("answer = 42", fmt::format("{0} = {1}", "answer", 42));
-  EXPECT_EQ("42 is the answer", fmt::format("{1} is the {0}", "answer", 42));
-  EXPECT_EQ("abracadabra", fmt::format("{0}{1}{0}", "abra", "cad"));
-}
-
-TEST(format_test, arg_errors) {
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{")), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{?}")), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0")), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0}")), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{00}"), 42), format_error,
-                   "invalid format string");
-
-  char format_str[buffer_size];
-  safe_sprintf(format_str, "{%u", INT_MAX);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str)), format_error,
-                   "invalid format string");
-  safe_sprintf(format_str, "{%u}", INT_MAX);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str)), format_error,
-                   "argument not found");
-
-  safe_sprintf(format_str, "{%u", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str)), format_error,
-                   "invalid format string");
-  safe_sprintf(format_str, "{%u}", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str)), format_error,
-                   "argument not found");
-}
-
-template <int N> struct test_format {
-  template <typename... T>
-  static std::string format(fmt::string_view fmt, const T&... args) {
-    return test_format<N - 1>::format(fmt, N - 1, args...);
-  }
-};
-
-template <> struct test_format<0> {
-  template <typename... T>
-  static std::string format(fmt::string_view fmt, const T&... args) {
-    return fmt::format(runtime(fmt), args...);
-  }
-};
-
-TEST(format_test, many_args) {
-  EXPECT_EQ("19", test_format<20>::format("{19}"));
-  EXPECT_THROW_MSG(test_format<20>::format("{20}"), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG(test_format<21>::format("{21}"), format_error,
-                   "argument not found");
-  using fmt::detail::max_packed_args;
-  std::string format_str = fmt::format("{{{}}}", max_packed_args + 1);
-  EXPECT_THROW_MSG(test_format<max_packed_args>::format(format_str),
-                   format_error, "argument not found");
-}
-
-TEST(format_test, named_arg) {
-  EXPECT_EQ("1/a/A", fmt::format("{_1}/{a_}/{A_}", fmt::arg("a_", 'a'),
-                                 fmt::arg("A_", "A"), fmt::arg("_1", 1)));
-  EXPECT_EQ(" -42", fmt::format("{0:{width}}", -42, fmt::arg("width", 4)));
-  EXPECT_EQ("st",
-            fmt::format("{0:.{precision}}", "str", fmt::arg("precision", 2)));
-  EXPECT_EQ("1 2", fmt::format("{} {two}", 1, fmt::arg("two", 2)));
-  EXPECT_EQ("42",
-            fmt::format("{c}", fmt::arg("a", 0), fmt::arg("b", 0),
-                        fmt::arg("c", 42), fmt::arg("d", 0), fmt::arg("e", 0),
-                        fmt::arg("f", 0), fmt::arg("g", 0), fmt::arg("h", 0),
-                        fmt::arg("i", 0), fmt::arg("j", 0), fmt::arg("k", 0),
-                        fmt::arg("l", 0), fmt::arg("m", 0), fmt::arg("n", 0),
-                        fmt::arg("o", 0), fmt::arg("p", 0)));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{a}")), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{a}"), 42), format_error,
-                   "argument not found");
-}
-
-TEST(format_test, auto_arg_index) {
-  EXPECT_EQ("abc", fmt::format("{}{}{}", 'a', 'b', 'c'));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0}{}"), 'a', 'b'), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{}{0}"), 'a', 'b'), format_error,
-                   "cannot switch from automatic to manual argument indexing");
-  EXPECT_EQ("1.2", fmt::format("{:.{}}", 1.2345, 2));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0}:.{}"), 1.2345, 2),
-                   format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:.{0}}"), 1.2345, 2),
-                   format_error,
-                   "cannot switch from automatic to manual argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{}")), format_error,
-                   "argument not found");
-}
-
-TEST(format_test, empty_specs) { EXPECT_EQ("42", fmt::format("{0:}", 42)); }
-
-TEST(format_test, left_align) {
-  EXPECT_EQ("42  ", fmt::format("{0:<4}", 42));
-  EXPECT_EQ("42  ", fmt::format("{0:<4o}", 042));
-  EXPECT_EQ("42  ", fmt::format("{0:<4x}", 0x42));
-  EXPECT_EQ("-42  ", fmt::format("{0:<5}", -42));
-  EXPECT_EQ("42   ", fmt::format("{0:<5}", 42u));
-  EXPECT_EQ("-42  ", fmt::format("{0:<5}", -42l));
-  EXPECT_EQ("42   ", fmt::format("{0:<5}", 42ul));
-  EXPECT_EQ("-42  ", fmt::format("{0:<5}", -42ll));
-  EXPECT_EQ("42   ", fmt::format("{0:<5}", 42ull));
-  EXPECT_EQ("-42  ", fmt::format("{0:<5}", -42.0));
-  EXPECT_EQ("-42  ", fmt::format("{0:<5}", -42.0l));
-  EXPECT_EQ("c    ", fmt::format("{0:<5}", 'c'));
-  EXPECT_EQ("abc  ", fmt::format("{0:<5}", "abc"));
-  EXPECT_EQ("0xface  ", fmt::format("{0:<8}", reinterpret_cast<void*>(0xface)));
-}
-
-TEST(format_test, right_align) {
-  EXPECT_EQ("  42", fmt::format("{0:>4}", 42));
-  EXPECT_EQ("  42", fmt::format("{0:>4o}", 042));
-  EXPECT_EQ("  42", fmt::format("{0:>4x}", 0x42));
-  EXPECT_EQ("  -42", fmt::format("{0:>5}", -42));
-  EXPECT_EQ("   42", fmt::format("{0:>5}", 42u));
-  EXPECT_EQ("  -42", fmt::format("{0:>5}", -42l));
-  EXPECT_EQ("   42", fmt::format("{0:>5}", 42ul));
-  EXPECT_EQ("  -42", fmt::format("{0:>5}", -42ll));
-  EXPECT_EQ("   42", fmt::format("{0:>5}", 42ull));
-  EXPECT_EQ("  -42", fmt::format("{0:>5}", -42.0));
-  EXPECT_EQ("  -42", fmt::format("{0:>5}", -42.0l));
-  EXPECT_EQ("    c", fmt::format("{0:>5}", 'c'));
-  EXPECT_EQ("  abc", fmt::format("{0:>5}", "abc"));
-  EXPECT_EQ("  0xface", fmt::format("{0:>8}", reinterpret_cast<void*>(0xface)));
-}
-
-TEST(format_test, center_align) {
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5}", 42));
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5o}", 042));
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5x}", 0x42));
-  EXPECT_EQ(" -42 ", fmt::format("{0:^5}", -42));
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5}", 42u));
-  EXPECT_EQ(" -42 ", fmt::format("{0:^5}", -42l));
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5}", 42ul));
-  EXPECT_EQ(" -42 ", fmt::format("{0:^5}", -42ll));
-  EXPECT_EQ(" 42  ", fmt::format("{0:^5}", 42ull));
-  EXPECT_EQ(" -42 ", fmt::format("{0:^5}", -42.0));
-  EXPECT_EQ(" -42 ", fmt::format("{0:^5}", -42.0l));
-  EXPECT_EQ("  c  ", fmt::format("{0:^5}", 'c'));
-  EXPECT_EQ(" abc  ", fmt::format("{0:^6}", "abc"));
-  EXPECT_EQ(" 0xface ", fmt::format("{0:^8}", reinterpret_cast<void*>(0xface)));
-}
-
-TEST(format_test, fill) {
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{<5}"), 'c'), format_error,
-                   "invalid fill character '{'");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{<5}}"), 'c'), format_error,
-                   "invalid fill character '{'");
-  EXPECT_EQ("**42", fmt::format("{0:*>4}", 42));
-  EXPECT_EQ("**-42", fmt::format("{0:*>5}", -42));
-  EXPECT_EQ("***42", fmt::format("{0:*>5}", 42u));
-  EXPECT_EQ("**-42", fmt::format("{0:*>5}", -42l));
-  EXPECT_EQ("***42", fmt::format("{0:*>5}", 42ul));
-  EXPECT_EQ("**-42", fmt::format("{0:*>5}", -42ll));
-  EXPECT_EQ("***42", fmt::format("{0:*>5}", 42ull));
-  EXPECT_EQ("**-42", fmt::format("{0:*>5}", -42.0));
-  EXPECT_EQ("**-42", fmt::format("{0:*>5}", -42.0l));
-  EXPECT_EQ("c****", fmt::format("{0:*<5}", 'c'));
-  EXPECT_EQ("abc**", fmt::format("{0:*<5}", "abc"));
-  EXPECT_EQ("**0xface",
-            fmt::format("{0:*>8}", reinterpret_cast<void*>(0xface)));
-  EXPECT_EQ("foo=", fmt::format("{:}=", "foo"));
-  EXPECT_EQ(std::string("\0\0\0*", 4),
-            fmt::format(string_view("{:\0>4}", 6), '*'));
-  EXPECT_EQ("жж42", fmt::format("{0:ж>4}", 42));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:\x80\x80\x80\x80\x80>}"), 0),
-                   format_error, "invalid type specifier");
-}
-
-TEST(format_test, plus_sign) {
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42));
-  EXPECT_EQ("-42", fmt::format("{0:+}", -42));
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), 42u), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), 42ul), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42ll));
-#if FMT_USE_INT128
-  EXPECT_EQ("+42", fmt::format("{0:+}", __int128_t(42)));
-#endif
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), 42ull), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42.0));
-  EXPECT_EQ("+42", fmt::format("{0:+}", 42.0l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+"), 'c'), format_error,
-                   "missing '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), 'c'), format_error,
-                   "invalid format specifier for char");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), "abc"), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:+}"), reinterpret_cast<void*>(0x42)),
-      format_error, "format specifier requires numeric argument");
-}
-
-TEST(format_test, minus_sign) {
-  EXPECT_EQ("42", fmt::format("{0:-}", 42));
-  EXPECT_EQ("-42", fmt::format("{0:-}", -42));
-  EXPECT_EQ("42", fmt::format("{0:-}", 42));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), 42u), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("42", fmt::format("{0:-}", 42l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), 42ul), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("42", fmt::format("{0:-}", 42ll));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), 42ull), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ("42", fmt::format("{0:-}", 42.0));
-  EXPECT_EQ("42", fmt::format("{0:-}", 42.0l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-"), 'c'), format_error,
-                   "missing '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), 'c'), format_error,
-                   "invalid format specifier for char");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), "abc"), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:-}"), reinterpret_cast<void*>(0x42)),
-      format_error, "format specifier requires numeric argument");
-}
-
-TEST(format_test, space_sign) {
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42));
-  EXPECT_EQ("-42", fmt::format("{0: }", -42));
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), 42u), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), 42ul), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42ll));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), 42ull), format_error,
-                   "format specifier requires signed argument");
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42.0));
-  EXPECT_EQ(" 42", fmt::format("{0: }", 42.0l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: "), 'c'), format_error,
-                   "missing '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), 'c'), format_error,
-                   "invalid format specifier for char");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), "abc"), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0: }"), reinterpret_cast<void*>(0x42)),
-      format_error, "format specifier requires numeric argument");
-}
-
-TEST(format_test, hash_flag) {
-  EXPECT_EQ("42", fmt::format("{0:#}", 42));
-  EXPECT_EQ("-42", fmt::format("{0:#}", -42));
-  EXPECT_EQ("0b101010", fmt::format("{0:#b}", 42));
-  EXPECT_EQ("0B101010", fmt::format("{0:#B}", 42));
-  EXPECT_EQ("-0b101010", fmt::format("{0:#b}", -42));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42));
-  EXPECT_EQ("0X42", fmt::format("{0:#X}", 0x42));
-  EXPECT_EQ("-0x42", fmt::format("{0:#x}", -0x42));
-  EXPECT_EQ("0", fmt::format("{0:#o}", 0));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042));
-  EXPECT_EQ("-042", fmt::format("{0:#o}", -042));
-  EXPECT_EQ("42", fmt::format("{0:#}", 42u));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42u));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042u));
-
-  EXPECT_EQ("-42", fmt::format("{0:#}", -42l));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42l));
-  EXPECT_EQ("-0x42", fmt::format("{0:#x}", -0x42l));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042l));
-  EXPECT_EQ("-042", fmt::format("{0:#o}", -042l));
-  EXPECT_EQ("42", fmt::format("{0:#}", 42ul));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42ul));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042ul));
-
-  EXPECT_EQ("-42", fmt::format("{0:#}", -42ll));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42ll));
-  EXPECT_EQ("-0x42", fmt::format("{0:#x}", -0x42ll));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042ll));
-  EXPECT_EQ("-042", fmt::format("{0:#o}", -042ll));
-  EXPECT_EQ("42", fmt::format("{0:#}", 42ull));
-  EXPECT_EQ("0x42", fmt::format("{0:#x}", 0x42ull));
-  EXPECT_EQ("042", fmt::format("{0:#o}", 042ull));
-
-  EXPECT_EQ("-42.0", fmt::format("{0:#}", -42.0));
-  EXPECT_EQ("-42.0", fmt::format("{0:#}", -42.0l));
-  EXPECT_EQ("4.e+01", fmt::format("{:#.0e}", 42.0));
-  EXPECT_EQ("0.", fmt::format("{:#.0f}", 0.01));
-  EXPECT_EQ("0.50", fmt::format("{:#.2g}", 0.5));
-  EXPECT_EQ("0.", fmt::format("{:#.0f}", 0.5));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:#"), 'c'), format_error,
-                   "missing '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:#}"), 'c'), format_error,
-                   "invalid format specifier for char");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:#}"), "abc"), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:#}"), reinterpret_cast<void*>(0x42)),
-      format_error, "format specifier requires numeric argument");
-}
-
-TEST(format_test, zero_flag) {
-  EXPECT_EQ("42", fmt::format("{0:0}", 42));
-  EXPECT_EQ("-0042", fmt::format("{0:05}", -42));
-  EXPECT_EQ("00042", fmt::format("{0:05}", 42u));
-  EXPECT_EQ("-0042", fmt::format("{0:05}", -42l));
-  EXPECT_EQ("00042", fmt::format("{0:05}", 42ul));
-  EXPECT_EQ("-0042", fmt::format("{0:05}", -42ll));
-  EXPECT_EQ("00042", fmt::format("{0:05}", 42ull));
-  EXPECT_EQ("-000042", fmt::format("{0:07}", -42.0));
-  EXPECT_EQ("-000042", fmt::format("{0:07}", -42.0l));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:0"), 'c'), format_error,
-                   "missing '}' in format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:05}"), 'c'), format_error,
-                   "invalid format specifier for char");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:05}"), "abc"), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:05}"), reinterpret_cast<void*>(0x42)),
-      format_error, "format specifier requires numeric argument");
-}
-
-TEST(format_test, width) {
-  char format_str[buffer_size];
-  safe_sprintf(format_str, "{0:%u", UINT_MAX);
-  increment(format_str + 3);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-  size_t size = std::strlen(format_str);
-  format_str[size] = '}';
-  format_str[size + 1] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-
-  safe_sprintf(format_str, "{0:%u", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-  safe_sprintf(format_str, "{0:%u}", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-  EXPECT_EQ(" -42", fmt::format("{0:4}", -42));
-  EXPECT_EQ("   42", fmt::format("{0:5}", 42u));
-  EXPECT_EQ("   -42", fmt::format("{0:6}", -42l));
-  EXPECT_EQ("     42", fmt::format("{0:7}", 42ul));
-  EXPECT_EQ("   -42", fmt::format("{0:6}", -42ll));
-  EXPECT_EQ("     42", fmt::format("{0:7}", 42ull));
-  EXPECT_EQ("   -1.23", fmt::format("{0:8}", -1.23));
-  EXPECT_EQ("    -1.23", fmt::format("{0:9}", -1.23l));
-  EXPECT_EQ("    0xcafe",
-            fmt::format("{0:10}", reinterpret_cast<void*>(0xcafe)));
-  EXPECT_EQ("x          ", fmt::format("{0:11}", 'x'));
-  EXPECT_EQ("str         ", fmt::format("{0:12}", "str"));
-  EXPECT_EQ(fmt::format("{:*^6}", "🤡"), "**🤡**");
-  EXPECT_EQ(fmt::format("{:*^8}", "你好"), "**你好**");
-  EXPECT_EQ(fmt::format("{:#6}", 42.0), "  42.0");
-  EXPECT_EQ(fmt::format("{:6c}", static_cast<int>('x')), "x     ");
-  EXPECT_EQ(fmt::format("{:>06.0f}", 0.00884311), "000000");
-}
-
-TEST(format_test, runtime_width) {
-  char format_str[buffer_size];
-  safe_sprintf(format_str, "{0:{%u", UINT_MAX);
-  increment(format_str + 4);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "invalid format string");
-  size_t size = std::strlen(format_str);
-  format_str[size] = '}';
-  format_str[size + 1] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "argument not found");
-  format_str[size + 1] = '}';
-  format_str[size + 2] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "argument not found");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{"), 0), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{}"), 0), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{?}}"), 0), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0), format_error,
-                   "argument not found");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{0:}}"), 0), format_error,
-                   "invalid format string");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, -1), format_error,
-                   "negative width");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, (INT_MAX + 1u)),
-                   format_error, "number is too big");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, -1l), format_error,
-                   "negative width");
-  if (fmt::detail::const_check(sizeof(long) > sizeof(int))) {
-    long value = INT_MAX;
-    EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, (value + 1)),
-                     format_error, "number is too big");
-  }
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, (INT_MAX + 1ul)),
-                   format_error, "number is too big");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, '0'), format_error,
-                   "width is not integer");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{1}}"), 0, 0.0), format_error,
-                   "width is not integer");
-
-  EXPECT_EQ(" -42", fmt::format("{0:{1}}", -42, 4));
-  EXPECT_EQ("   42", fmt::format("{0:{1}}", 42u, 5));
-  EXPECT_EQ("   -42", fmt::format("{0:{1}}", -42l, 6));
-  EXPECT_EQ("     42", fmt::format("{0:{1}}", 42ul, 7));
-  EXPECT_EQ("   -42", fmt::format("{0:{1}}", -42ll, 6));
-  EXPECT_EQ("     42", fmt::format("{0:{1}}", 42ull, 7));
-  EXPECT_EQ("   -1.23", fmt::format("{0:{1}}", -1.23, 8));
-  EXPECT_EQ("    -1.23", fmt::format("{0:{1}}", -1.23l, 9));
-  EXPECT_EQ("    0xcafe",
-            fmt::format("{0:{1}}", reinterpret_cast<void*>(0xcafe), 10));
-  EXPECT_EQ("x          ", fmt::format("{0:{1}}", 'x', 11));
-  EXPECT_EQ("str         ", fmt::format("{0:{1}}", "str", 12));
-  EXPECT_EQ(fmt::format("{:{}}", 42, short(4)), "  42");
-}
-
-TEST(format_test, precision) {
-  char format_str[buffer_size];
-  safe_sprintf(format_str, "{0:.%u", UINT_MAX);
-  increment(format_str + 4);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-  size_t size = std::strlen(format_str);
-  format_str[size] = '}';
-  format_str[size + 1] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-
-  safe_sprintf(format_str, "{0:.%u", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-  safe_sprintf(format_str, "{0:.%u}", INT_MAX + 1u);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "number is too big");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:."), 0), format_error,
-                   "missing precision specifier");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.}"), 0), format_error,
-                   "missing precision specifier");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2"), 0), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42u), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42u), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42l), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42l), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42ul), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42ul), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42ll), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42ll), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2}"), 42ull), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.2f}"), 42ull), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:3.0}"), 'x'), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_EQ("1.2", fmt::format("{0:.2}", 1.2345));
-  EXPECT_EQ("1.2", fmt::format("{0:.2}", 1.2345l));
-  EXPECT_EQ("1.2e+56", fmt::format("{:.2}", 1.234e56));
-  EXPECT_EQ("1.1", fmt::format("{0:.3}", 1.1));
-  EXPECT_EQ("1e+00", fmt::format("{:.0e}", 1.0L));
-  EXPECT_EQ("  0.0e+00", fmt::format("{:9.1e}", 0.0));
-  EXPECT_EQ(
-      fmt::format("{:.494}", 4.9406564584124654E-324),
-      "4.9406564584124654417656879286822137236505980261432476442558568250067550"
-      "727020875186529983636163599237979656469544571773092665671035593979639877"
-      "479601078187812630071319031140452784581716784898210368871863605699873072"
-      "305000638740915356498438731247339727316961514003171538539807412623856559"
-      "117102665855668676818703956031062493194527159149245532930545654440112748"
-      "012970999954193198940908041656332452475714786901472678015935523861155013"
-      "480352649347201937902681071074917033322268447533357208324319361e-324");
-  EXPECT_EQ(
-      fmt::format("{:.1074f}", 1.1125369292536e-308),
-      "0.0000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000111253692925360019747947051741965785554081512200979"
-      "355021686109411883779182127659725163430929750364498219730822952552570601"
-      "152163505899912777129583674906301179059298598412303893909188340988729019"
-      "014361467448914817838555156840459458527907308695109202499990850735085304"
-      "478476991912072201449236975063640913461919914396877093174125167509869762"
-      "482369631100360266123742648159508919592746619553246586039571522788247697"
-      "156360766271842991667238355464496455107749716934387136380536472531224398"
-      "559833794807213172371254492216255558078524900147957309382830827524104234"
-      "530961756787819847850302379672357738807808384667004752163416921762619527"
-      "462847642037420991432005657440259928195996762610375541867198059294212446"
-      "81962777939941034720757232455434770912461317493580281734466552734375");
-
-  std::string outputs[] = {
-      "-0X1.41FE3FFE71C9E000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000P+127",
-      "-0XA.0FF1FFF38E4F0000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000000000000000000000000"
-      "000000000000000000000000000000000000000000000000000P+124"};
-  EXPECT_THAT(outputs,
-              testing::Contains(fmt::format("{:.838A}", -2.14001164E+38)));
-
-  if (std::numeric_limits<long double>::digits == 64) {
-    auto ld = (std::numeric_limits<long double>::min)();
-    EXPECT_EQ(fmt::format("{:.0}", ld), "3e-4932");
-    EXPECT_EQ(
-        fmt::format("{:0g}", std::numeric_limits<long double>::denorm_min()),
-        "3.6452e-4951");
-  }
-
-  EXPECT_EQ("123.", fmt::format("{:#.0f}", 123.0));
-  EXPECT_EQ("1.23", fmt::format("{:.02f}", 1.234));
-  EXPECT_EQ("0.001", fmt::format("{:.1g}", 0.001));
-  EXPECT_EQ("1019666400", fmt::format("{}", 1019666432.0f));
-  EXPECT_EQ("1e+01", fmt::format("{:.0e}", 9.5));
-  EXPECT_EQ("1.0e-34", fmt::format("{:.1e}", 1e-34));
-
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:.2}"), reinterpret_cast<void*>(0xcafe)),
-      format_error, "precision not allowed for this argument type");
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0:.2f}"), reinterpret_cast<void*>(0xcafe)),
-      format_error, "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:.{}e}"), 42.0,
-                                     fmt::detail::max_value<int>()),
-                   format_error, "number is too big");
-  EXPECT_THROW_MSG(
-      (void)fmt::format("{:.2147483646f}", -2.2121295195081227E+304),
-      format_error, "number is too big");
-
-  EXPECT_EQ("st", fmt::format("{0:.2}", "str"));
-  EXPECT_EQ("вожык", fmt::format("{0:.5}", "вожыкі"));
-}
-
-TEST(format_test, runtime_precision) {
-  char format_str[buffer_size];
-  safe_sprintf(format_str, "{0:.{%u", UINT_MAX);
-  increment(format_str + 5);
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "invalid format string");
-  size_t size = std::strlen(format_str);
-  format_str[size] = '}';
-  format_str[size + 1] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "argument not found");
-  format_str[size + 1] = '}';
-  format_str[size + 2] = 0;
-  EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), 0), format_error,
-                   "argument not found");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{"), 0), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{}"), 0), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{?}}"), 0), format_error,
-                   "invalid format string");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}"), 0, 0), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0), format_error,
-                   "argument not found");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{0:}}"), 0), format_error,
-                   "invalid format string");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, -1), format_error,
-                   "negative precision");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, (INT_MAX + 1u)),
-                   format_error, "number is too big");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, -1l), format_error,
-                   "negative precision");
-  if (fmt::detail::const_check(sizeof(long) > sizeof(int))) {
-    long value = INT_MAX;
-    EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, (value + 1)),
-                     format_error, "number is too big");
-  }
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, (INT_MAX + 1ul)),
-                   format_error, "number is too big");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, '0'), format_error,
-                   "precision is not integer");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 0, 0.0), format_error,
-                   "precision is not integer");
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42, 2), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42, 2), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42u, 2), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42u, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42l, 2), format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42l, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42ul, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42ul, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42ll, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42ll, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"), 42ull, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"), 42ull, 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:3.{1}}"), 'x', 0),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_EQ("1.2", fmt::format("{0:.{1}}", 1.2345, 2));
-  EXPECT_EQ("1.2", fmt::format("{1:.{0}}", 2, 1.2345l));
-
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}}"),
-                                     reinterpret_cast<void*>(0xcafe), 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:.{1}f}"),
-                                     reinterpret_cast<void*>(0xcafe), 2),
-                   format_error,
-                   "precision not allowed for this argument type");
-
-  EXPECT_EQ("st", fmt::format("{0:.{1}}", "str", 2));
-}
-
-TEST(format_test, format_bool) {
-  EXPECT_EQ("true", fmt::format("{}", true));
-  EXPECT_EQ("false", fmt::format("{}", false));
-  EXPECT_EQ("1", fmt::format("{:d}", true));
-  EXPECT_EQ("true ", fmt::format("{:5}", true));
-  EXPECT_EQ("true", fmt::format("{:s}", true));
-  EXPECT_EQ("false", fmt::format("{:s}", false));
-  EXPECT_EQ("false ", fmt::format("{:6s}", false));
-}
-
-TEST(format_test, format_short) {
-  short s = 42;
-  EXPECT_EQ("42", fmt::format("{0:d}", s));
-  unsigned short us = 42;
-  EXPECT_EQ("42", fmt::format("{0:d}", us));
-}
-
-template <typename T>
-void check_unknown_types(const T& value, const char* types, const char*) {
-  char format_str[buffer_size];
-  const char* special = ".0123456789L?}";
-  for (int i = CHAR_MIN; i <= CHAR_MAX; ++i) {
-    char c = static_cast<char>(i);
-    if (std::strchr(types, c) || std::strchr(special, c) || !c) continue;
-    safe_sprintf(format_str, "{0:10%c}", c);
-    const char* message = "invalid type specifier";
-    EXPECT_THROW_MSG((void)fmt::format(runtime(format_str), value),
-                     format_error, message)
-        << format_str << " " << message;
-  }
-}
-
-TEST(format_test, format_int) {
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:v"), 42), format_error,
-                   "invalid type specifier");
-  check_unknown_types(42, "bBdoxXnLc", "integer");
-  EXPECT_EQ("x", fmt::format("{:c}", static_cast<int>('x')));
-}
-
-TEST(format_test, format_bin) {
-  EXPECT_EQ("0", fmt::format("{0:b}", 0));
-  EXPECT_EQ("101010", fmt::format("{0:b}", 42));
-  EXPECT_EQ("101010", fmt::format("{0:b}", 42u));
-  EXPECT_EQ("-101010", fmt::format("{0:b}", -42));
-  EXPECT_EQ("11000000111001", fmt::format("{0:b}", 12345));
-  EXPECT_EQ("10010001101000101011001111000", fmt::format("{0:b}", 0x12345678));
-  EXPECT_EQ("10010000101010111100110111101111",
-            fmt::format("{0:b}", 0x90ABCDEF));
-  EXPECT_EQ("11111111111111111111111111111111",
-            fmt::format("{0:b}", max_value<uint32_t>()));
-}
-
-#if FMT_USE_INT128
-constexpr auto int128_max = static_cast<__int128_t>(
-    (static_cast<__uint128_t>(1) << ((__SIZEOF_INT128__ * CHAR_BIT) - 1)) - 1);
-constexpr auto int128_min = -int128_max - 1;
-
-constexpr auto uint128_max = ~static_cast<__uint128_t>(0);
-#endif
-
-TEST(format_test, format_dec) {
-  EXPECT_EQ("0", fmt::format("{0}", 0));
-  EXPECT_EQ("42", fmt::format("{0}", 42));
-  EXPECT_EQ("42", fmt::format("{0:d}", 42));
-  EXPECT_EQ("42", fmt::format("{0}", 42u));
-  EXPECT_EQ("-42", fmt::format("{0}", -42));
-  EXPECT_EQ("12345", fmt::format("{0}", 12345));
-  EXPECT_EQ("67890", fmt::format("{0}", 67890));
-#if FMT_USE_INT128
-  EXPECT_EQ("0", fmt::format("{0}", static_cast<__int128_t>(0)));
-  EXPECT_EQ("0", fmt::format("{0}", static_cast<__uint128_t>(0)));
-  EXPECT_EQ("9223372036854775808",
-            fmt::format("{0}", static_cast<__int128_t>(INT64_MAX) + 1));
-  EXPECT_EQ("-9223372036854775809",
-            fmt::format("{0}", static_cast<__int128_t>(INT64_MIN) - 1));
-  EXPECT_EQ("18446744073709551616",
-            fmt::format("{0}", static_cast<__int128_t>(UINT64_MAX) + 1));
-  EXPECT_EQ("170141183460469231731687303715884105727",
-            fmt::format("{0}", int128_max));
-  EXPECT_EQ("-170141183460469231731687303715884105728",
-            fmt::format("{0}", int128_min));
-  EXPECT_EQ("340282366920938463463374607431768211455",
-            fmt::format("{0}", uint128_max));
-#endif
-
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "%d", INT_MIN);
-  EXPECT_EQ(buffer, fmt::format("{0}", INT_MIN));
-  safe_sprintf(buffer, "%d", INT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0}", INT_MAX));
-  safe_sprintf(buffer, "%u", UINT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0}", UINT_MAX));
-  safe_sprintf(buffer, "%ld", 0 - static_cast<unsigned long>(LONG_MIN));
-  EXPECT_EQ(buffer, fmt::format("{0}", LONG_MIN));
-  safe_sprintf(buffer, "%ld", LONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0}", LONG_MAX));
-  safe_sprintf(buffer, "%lu", ULONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0}", ULONG_MAX));
-}
-
-TEST(format_test, format_hex) {
-  EXPECT_EQ("0", fmt::format("{0:x}", 0));
-  EXPECT_EQ("42", fmt::format("{0:x}", 0x42));
-  EXPECT_EQ("42", fmt::format("{0:x}", 0x42u));
-  EXPECT_EQ("-42", fmt::format("{0:x}", -0x42));
-  EXPECT_EQ("12345678", fmt::format("{0:x}", 0x12345678));
-  EXPECT_EQ("90abcdef", fmt::format("{0:x}", 0x90abcdef));
-  EXPECT_EQ("12345678", fmt::format("{0:X}", 0x12345678));
-  EXPECT_EQ("90ABCDEF", fmt::format("{0:X}", 0x90ABCDEF));
-#if FMT_USE_INT128
-  EXPECT_EQ("0", fmt::format("{0:x}", static_cast<__int128_t>(0)));
-  EXPECT_EQ("0", fmt::format("{0:x}", static_cast<__uint128_t>(0)));
-  EXPECT_EQ("8000000000000000",
-            fmt::format("{0:x}", static_cast<__int128_t>(INT64_MAX) + 1));
-  EXPECT_EQ("-8000000000000001",
-            fmt::format("{0:x}", static_cast<__int128_t>(INT64_MIN) - 1));
-  EXPECT_EQ("10000000000000000",
-            fmt::format("{0:x}", static_cast<__int128_t>(UINT64_MAX) + 1));
-  EXPECT_EQ("7fffffffffffffffffffffffffffffff",
-            fmt::format("{0:x}", int128_max));
-  EXPECT_EQ("-80000000000000000000000000000000",
-            fmt::format("{0:x}", int128_min));
-  EXPECT_EQ("ffffffffffffffffffffffffffffffff",
-            fmt::format("{0:x}", uint128_max));
-#endif
-
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "-%x", 0 - static_cast<unsigned>(INT_MIN));
-  EXPECT_EQ(buffer, fmt::format("{0:x}", INT_MIN));
-  safe_sprintf(buffer, "%x", INT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:x}", INT_MAX));
-  safe_sprintf(buffer, "%x", UINT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:x}", UINT_MAX));
-  safe_sprintf(buffer, "-%lx", 0 - static_cast<unsigned long>(LONG_MIN));
-  EXPECT_EQ(buffer, fmt::format("{0:x}", LONG_MIN));
-  safe_sprintf(buffer, "%lx", LONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:x}", LONG_MAX));
-  safe_sprintf(buffer, "%lx", ULONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:x}", ULONG_MAX));
-}
-
-TEST(format_test, format_oct) {
-  EXPECT_EQ("0", fmt::format("{0:o}", 0));
-  EXPECT_EQ("42", fmt::format("{0:o}", 042));
-  EXPECT_EQ("42", fmt::format("{0:o}", 042u));
-  EXPECT_EQ("-42", fmt::format("{0:o}", -042));
-  EXPECT_EQ("12345670", fmt::format("{0:o}", 012345670));
-#if FMT_USE_INT128
-  EXPECT_EQ("0", fmt::format("{0:o}", static_cast<__int128_t>(0)));
-  EXPECT_EQ("0", fmt::format("{0:o}", static_cast<__uint128_t>(0)));
-  EXPECT_EQ("1000000000000000000000",
-            fmt::format("{0:o}", static_cast<__int128_t>(INT64_MAX) + 1));
-  EXPECT_EQ("-1000000000000000000001",
-            fmt::format("{0:o}", static_cast<__int128_t>(INT64_MIN) - 1));
-  EXPECT_EQ("2000000000000000000000",
-            fmt::format("{0:o}", static_cast<__int128_t>(UINT64_MAX) + 1));
-  EXPECT_EQ("1777777777777777777777777777777777777777777",
-            fmt::format("{0:o}", int128_max));
-  EXPECT_EQ("-2000000000000000000000000000000000000000000",
-            fmt::format("{0:o}", int128_min));
-  EXPECT_EQ("3777777777777777777777777777777777777777777",
-            fmt::format("{0:o}", uint128_max));
-#endif
-
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "-%o", 0 - static_cast<unsigned>(INT_MIN));
-  EXPECT_EQ(buffer, fmt::format("{0:o}", INT_MIN));
-  safe_sprintf(buffer, "%o", INT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:o}", INT_MAX));
-  safe_sprintf(buffer, "%o", UINT_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:o}", UINT_MAX));
-  safe_sprintf(buffer, "-%lo", 0 - static_cast<unsigned long>(LONG_MIN));
-  EXPECT_EQ(buffer, fmt::format("{0:o}", LONG_MIN));
-  safe_sprintf(buffer, "%lo", LONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:o}", LONG_MAX));
-  safe_sprintf(buffer, "%lo", ULONG_MAX);
-  EXPECT_EQ(buffer, fmt::format("{0:o}", ULONG_MAX));
-}
-
-TEST(format_test, format_int_locale) {
-  EXPECT_EQ("1234", fmt::format("{:L}", 1234));
-}
-
-TEST(format_test, format_float) {
-  EXPECT_EQ("0", fmt::format("{}", 0.0f));
-  EXPECT_EQ("392.500000", fmt::format("{0:f}", 392.5f));
-}
-
-TEST(format_test, format_double) {
-  EXPECT_EQ(fmt::format("{}", 0.0), "0");
-  check_unknown_types(1.2, "eEfFgGaAnL%", "double");
-  EXPECT_EQ(fmt::format("{:}", 0.0), "0");
-  EXPECT_EQ(fmt::format("{:f}", 0.0), "0.000000");
-  EXPECT_EQ(fmt::format("{:g}", 0.0), "0");
-  EXPECT_EQ(fmt::format("{:}", 392.65), "392.65");
-  EXPECT_EQ(fmt::format("{:g}", 392.65), "392.65");
-  EXPECT_EQ(fmt::format("{:G}", 392.65), "392.65");
-  EXPECT_EQ(fmt::format("{:g}", 4.9014e6), "4.9014e+06");
-  EXPECT_EQ(fmt::format("{:f}", 392.65), "392.650000");
-  EXPECT_EQ(fmt::format("{:F}", 392.65), "392.650000");
-  EXPECT_EQ(fmt::format("{:L}", 42.0), "42");
-  EXPECT_EQ(fmt::format("{:24a}", 4.2), "    0x1.0cccccccccccdp+2");
-  EXPECT_EQ(fmt::format("{:<24a}", 4.2), "0x1.0cccccccccccdp+2    ");
-  EXPECT_EQ(fmt::format("{0:e}", 392.65), "3.926500e+02");
-  EXPECT_EQ(fmt::format("{0:E}", 392.65), "3.926500E+02");
-  EXPECT_EQ(fmt::format("{0:+010.4g}", 392.65), "+0000392.6");
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "%a", -42.0);
-  EXPECT_EQ(fmt::format("{:a}", -42.0), buffer);
-  safe_sprintf(buffer, "%A", -42.0);
-  EXPECT_EQ(fmt::format("{:A}", -42.0), buffer);
-  EXPECT_EQ(fmt::format("{:f}", 9223372036854775807.0),
-            "9223372036854775808.000000");
-}
-
-TEST(format_test, precision_rounding) {
-  EXPECT_EQ("0", fmt::format("{:.0f}", 0.0));
-  EXPECT_EQ("0", fmt::format("{:.0f}", 0.01));
-  EXPECT_EQ("0", fmt::format("{:.0f}", 0.1));
-  EXPECT_EQ("0.000", fmt::format("{:.3f}", 0.00049));
-  EXPECT_EQ("0.001", fmt::format("{:.3f}", 0.0005));
-  EXPECT_EQ("0.001", fmt::format("{:.3f}", 0.00149));
-  EXPECT_EQ("0.002", fmt::format("{:.3f}", 0.0015));
-  EXPECT_EQ("1.000", fmt::format("{:.3f}", 0.9999));
-  EXPECT_EQ("0.00123", fmt::format("{:.3}", 0.00123));
-  EXPECT_EQ("0.1", fmt::format("{:.16g}", 0.1));
-  EXPECT_EQ("1", fmt::format("{:.0}", 1.0));
-  EXPECT_EQ("225.51575035152063720",
-            fmt::format("{:.17f}", 225.51575035152064));
-  EXPECT_EQ("-761519619559038.2", fmt::format("{:.1f}", -761519619559038.2));
-  EXPECT_EQ("1.9156918820264798e-56",
-            fmt::format("{}", 1.9156918820264798e-56));
-  EXPECT_EQ("0.0000", fmt::format("{:.4f}", 7.2809479766055470e-15));
-
-  // Trigger a rounding error in Grisu by a specially chosen number.
-  EXPECT_EQ("3788512123356.985352", fmt::format("{:f}", 3788512123356.985352));
-}
-
-TEST(format_test, prettify_float) {
-  EXPECT_EQ("0.0001", fmt::format("{}", 1e-4));
-  EXPECT_EQ("1e-05", fmt::format("{}", 1e-5));
-  EXPECT_EQ("1000000000000000", fmt::format("{}", 1e15));
-  EXPECT_EQ("1e+16", fmt::format("{}", 1e16));
-  EXPECT_EQ("9.999e-05", fmt::format("{}", 9.999e-5));
-  EXPECT_EQ("10000000000", fmt::format("{}", 1e10));
-  EXPECT_EQ("100000000000", fmt::format("{}", 1e11));
-  EXPECT_EQ("12340000000", fmt::format("{}", 1234e7));
-  EXPECT_EQ("12.34", fmt::format("{}", 1234e-2));
-  EXPECT_EQ("0.001234", fmt::format("{}", 1234e-6));
-  EXPECT_EQ("0.1", fmt::format("{}", 0.1f));
-  EXPECT_EQ("0.10000000149011612", fmt::format("{}", double(0.1f)));
-  EXPECT_EQ("1.3563156e-19", fmt::format("{}", 1.35631564e-19f));
-}
-
-TEST(format_test, format_nan) {
-  double nan = std::numeric_limits<double>::quiet_NaN();
-  EXPECT_EQ("nan", fmt::format("{}", nan));
-  EXPECT_EQ("+nan", fmt::format("{:+}", nan));
-  EXPECT_EQ("  +nan", fmt::format("{:+06}", nan));
-  EXPECT_EQ("+nan  ", fmt::format("{:<+06}", nan));
-  EXPECT_EQ(" +nan ", fmt::format("{:^+06}", nan));
-  EXPECT_EQ("  +nan", fmt::format("{:>+06}", nan));
-  if (std::signbit(-nan)) {
-    EXPECT_EQ("-nan", fmt::format("{}", -nan));
-    EXPECT_EQ("  -nan", fmt::format("{:+06}", -nan));
-  } else {
-    fmt::print("Warning: compiler doesn't handle negative NaN correctly");
-  }
-  EXPECT_EQ(" nan", fmt::format("{: }", nan));
-  EXPECT_EQ("NAN", fmt::format("{:F}", nan));
-  EXPECT_EQ("nan    ", fmt::format("{:<7}", nan));
-  EXPECT_EQ("  nan  ", fmt::format("{:^7}", nan));
-  EXPECT_EQ("    nan", fmt::format("{:>7}", nan));
-}
-
-TEST(format_test, format_infinity) {
-  double inf = std::numeric_limits<double>::infinity();
-  EXPECT_EQ("inf", fmt::format("{}", inf));
-  EXPECT_EQ("+inf", fmt::format("{:+}", inf));
-  EXPECT_EQ("-inf", fmt::format("{}", -inf));
-  EXPECT_EQ("  +inf", fmt::format("{:+06}", inf));
-  EXPECT_EQ("  -inf", fmt::format("{:+06}", -inf));
-  EXPECT_EQ("+inf  ", fmt::format("{:<+06}", inf));
-  EXPECT_EQ(" +inf ", fmt::format("{:^+06}", inf));
-  EXPECT_EQ("  +inf", fmt::format("{:>+06}", inf));
-  EXPECT_EQ(" inf", fmt::format("{: }", inf));
-  EXPECT_EQ("INF", fmt::format("{:F}", inf));
-  EXPECT_EQ("inf    ", fmt::format("{:<7}", inf));
-  EXPECT_EQ("  inf  ", fmt::format("{:^7}", inf));
-  EXPECT_EQ("    inf", fmt::format("{:>7}", inf));
-}
-
-TEST(format_test, format_long_double) {
-  EXPECT_EQ("0", fmt::format("{0:}", 0.0l));
-  EXPECT_EQ("0.000000", fmt::format("{0:f}", 0.0l));
-  EXPECT_EQ("392.65", fmt::format("{0:}", 392.65l));
-  EXPECT_EQ("392.65", fmt::format("{0:g}", 392.65l));
-  EXPECT_EQ("392.65", fmt::format("{0:G}", 392.65l));
-  EXPECT_EQ("392.650000", fmt::format("{0:f}", 392.65l));
-  EXPECT_EQ("392.650000", fmt::format("{0:F}", 392.65l));
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "%Le", 392.65l);
-  EXPECT_EQ(buffer, fmt::format("{0:e}", 392.65l));
-  EXPECT_EQ("+0000392.6", fmt::format("{0:+010.4g}", 392.64l));
-  safe_sprintf(buffer, "%La", 3.31l);
-  EXPECT_EQ(buffer, fmt::format("{:a}", 3.31l));
-}
-
-TEST(format_test, format_char) {
-  const char types[] = "cbBdoxX";
-  check_unknown_types('a', types, "char");
-  EXPECT_EQ("a", fmt::format("{0}", 'a'));
-  EXPECT_EQ("z", fmt::format("{0:c}", 'z'));
-  int n = 'x';
-  for (const char* type = types + 1; *type; ++type) {
-    std::string format_str = fmt::format("{{:{}}}", *type);
-    EXPECT_EQ(fmt::format(runtime(format_str), n),
-              fmt::format(runtime(format_str), 'x'))
-        << format_str;
-  }
-  EXPECT_EQ(fmt::format("{:02X}", n), fmt::format("{:02X}", 'x'));
-
-  EXPECT_EQ("\n", fmt::format("{}", '\n'));
-  EXPECT_EQ("'\\n'", fmt::format("{:?}", '\n'));
-}
-
-TEST(format_test, format_volatile_char) {
-  volatile char c = 'x';
-  EXPECT_EQ("x", fmt::format("{}", c));
-}
-
-TEST(format_test, format_unsigned_char) {
-  EXPECT_EQ("42", fmt::format("{}", static_cast<unsigned char>(42)));
-  EXPECT_EQ("42", fmt::format("{}", static_cast<uint8_t>(42)));
-}
-
-TEST(format_test, format_cstring) {
-  check_unknown_types("test", "sp", "string");
-  EXPECT_EQ("test", fmt::format("{0}", "test"));
-  EXPECT_EQ("test", fmt::format("{0:s}", "test"));
-  char nonconst[] = "nonconst";
-  EXPECT_EQ("nonconst", fmt::format("{0}", nonconst));
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("{0}"), static_cast<const char*>(nullptr)),
-      format_error, "string pointer is null");
-}
-
-void function_pointer_test(int, double, std::string) {}
-
-TEST(format_test, format_pointer) {
-  check_unknown_types(reinterpret_cast<void*>(0x1234), "p", "pointer");
-  EXPECT_EQ("0x0", fmt::format("{0}", static_cast<void*>(nullptr)));
-  EXPECT_EQ("0x1234", fmt::format("{0}", reinterpret_cast<void*>(0x1234)));
-  EXPECT_EQ("0x1234", fmt::format("{0:p}", reinterpret_cast<void*>(0x1234)));
-  // On CHERI (or other fat-pointer) systems, the size of a pointer is greater
-  // than the size an integer that can hold a virtual address.  There is no
-  // portable address-as-an-integer type (yet) in C++, so we use `size_t` as
-  // the closest equivalent for now.
-  EXPECT_EQ("0x" + std::string(sizeof(size_t) * CHAR_BIT / 4, 'f'),
-            fmt::format("{0}", reinterpret_cast<void*>(~uintptr_t())));
-  EXPECT_EQ("0x1234",
-            fmt::format("{}", fmt::ptr(reinterpret_cast<int*>(0x1234))));
-  std::unique_ptr<int> up(new int(1));
-  EXPECT_EQ(fmt::format("{}", fmt::ptr(up.get())),
-            fmt::format("{}", fmt::ptr(up)));
-  std::shared_ptr<int> sp(new int(1));
-  EXPECT_EQ(fmt::format("{}", fmt::ptr(sp.get())),
-            fmt::format("{}", fmt::ptr(sp)));
-  EXPECT_EQ(fmt::format("{}", fmt::detail::bit_cast<const void*>(
-                                  &function_pointer_test)),
-            fmt::format("{}", fmt::ptr(function_pointer_test)));
-  EXPECT_EQ("0x0", fmt::format("{}", nullptr));
-}
-
-TEST(format_test, write_uintptr_fallback) {
-  // Test that formatting a pointer by converting it to uint128_fallback works.
-  // This is needed to support systems without uintptr_t.
-  auto s = std::string();
-  fmt::detail::write_ptr<char>(
-      std::back_inserter(s),
-      fmt::detail::bit_cast<fmt::detail::uint128_fallback>(
-          reinterpret_cast<void*>(0xface)),
-      nullptr);
-  EXPECT_EQ(s, "0xface");
-}
-
-enum class color { red, green, blue };
-
-namespace test_ns {
-enum class color { red, green, blue };
-using fmt::enums::format_as;
-}  // namespace test_ns
-
-TEST(format_test, format_enum_class) {
-  EXPECT_EQ(fmt::format("{}", fmt::underlying(color::red)), "0");
-  EXPECT_EQ(fmt::format("{}", test_ns::color::red), "0");
-}
-
-TEST(format_test, format_string) {
-  EXPECT_EQ(fmt::format("{0}", std::string("test")), "test");
-  EXPECT_EQ(fmt::format("{0}", std::string("test")), "test");
-  EXPECT_EQ(fmt::format("{:?}", std::string("test")), "\"test\"");
-  EXPECT_EQ(fmt::format("{:*^10?}", std::string("test")), "**\"test\"**");
-  EXPECT_EQ(fmt::format("{:?}", std::string("\test")), "\"\\test\"");
-  EXPECT_THROW((void)fmt::format(fmt::runtime("{:x}"), std::string("test")),
-               fmt::format_error);
-}
-
-TEST(format_test, format_string_view) {
-  EXPECT_EQ("test", fmt::format("{}", string_view("test")));
-  EXPECT_EQ("\"t\\nst\"", fmt::format("{:?}", string_view("t\nst")));
-  EXPECT_EQ("", fmt::format("{}", string_view()));
-}
-
-#ifdef FMT_USE_STRING_VIEW
-struct string_viewable {};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<string_viewable> : formatter<std::string_view> {
-  auto format(string_viewable, format_context& ctx) -> decltype(ctx.out()) {
-    return formatter<std::string_view>::format("foo", ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(format_test, format_std_string_view) {
-  EXPECT_EQ("test", fmt::format("{}", std::string_view("test")));
-  EXPECT_EQ("foo", fmt::format("{}", string_viewable()));
-}
-
-struct explicitly_convertible_to_std_string_view {
-  explicit operator std::string_view() const { return "foo"; }
-};
-
-template <>
-struct fmt::formatter<explicitly_convertible_to_std_string_view>
-    : formatter<std::string_view> {
-  auto format(explicitly_convertible_to_std_string_view v, format_context& ctx)
-      -> decltype(ctx.out()) {
-    return format_to(ctx.out(), "'{}'", std::string_view(v));
-  }
-};
-
-TEST(format_test, format_explicitly_convertible_to_std_string_view) {
-  EXPECT_EQ("'foo'",
-            fmt::format("{}", explicitly_convertible_to_std_string_view()));
-}
-#endif
-
-struct converible_to_anything {
-  template <typename T> operator T() const { return T(); }
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<converible_to_anything> {
-  FMT_CONSTEXPR auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  auto format(converible_to_anything, format_context& ctx)
-      -> decltype(ctx.out()) {
-    return format_to(ctx.out(), "foo");
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(format_test, format_convertible_to_anything) {
-  EXPECT_EQ("foo", fmt::format("{}", converible_to_anything()));
-}
-
-class Answer {};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<date> {
-  template <typename ParseContext>
-  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    auto it = ctx.begin();
-    if (it != ctx.end() && *it == 'd') ++it;
-    return it;
-  }
-
-  auto format(const date& d, format_context& ctx) -> decltype(ctx.out()) {
-    format_to(ctx.out(), "{}-{}-{}", d.year(), d.month(), d.day());
-    return ctx.out();
-  }
-};
-
-template <> struct formatter<Answer> : formatter<int> {
-  template <typename FormatContext>
-  auto format(Answer, FormatContext& ctx) -> decltype(ctx.out()) {
-    return formatter<int>::format(42, ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(format_test, format_custom) {
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:s}"), date(2012, 12, 9)),
-                   format_error, "unknown format specifier");
-  EXPECT_EQ("42", fmt::format("{0}", Answer()));
-  EXPECT_EQ("0042", fmt::format("{:04}", Answer()));
-}
-
-TEST(format_test, format_to_custom) {
-  char buf[10] = {};
-  auto end =
-      &*fmt::format_to(fmt::detail::make_checked(buf, 10), "{}", Answer());
-  EXPECT_EQ(end, buf + 2);
-  EXPECT_STREQ(buf, "42");
-}
-
-TEST(format_test, format_string_from_speed_test) {
-  EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
-            fmt::format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%", 1.234, 42,
-                        3.13, "str", reinterpret_cast<void*>(1000), 'X'));
-}
-
-TEST(format_test, format_examples) {
-  std::string message = fmt::format("The answer is {}", 42);
-  EXPECT_EQ("The answer is 42", message);
-
-  EXPECT_EQ("42", fmt::format("{}", 42));
-
-  memory_buffer out;
-  format_to(std::back_inserter(out), "The answer is {}.", 42);
-  EXPECT_EQ("The answer is 42.", to_string(out));
-
-  const char* filename = "nonexistent";
-  FILE* ftest = safe_fopen(filename, "r");
-  if (ftest) fclose(ftest);
-  int error_code = errno;
-  EXPECT_TRUE(ftest == nullptr);
-  EXPECT_SYSTEM_ERROR(
-      {
-        FILE* f = safe_fopen(filename, "r");
-        if (!f)
-          throw fmt::system_error(errno, "Cannot open file '{}'", filename);
-        fclose(f);
-      },
-      error_code, "Cannot open file 'nonexistent'");
-
-  EXPECT_EQ("First, thou shalt count to three",
-            fmt::format("First, thou shalt count to {0}", "three"));
-  EXPECT_EQ("Bring me a shrubbery", fmt::format("Bring me a {}", "shrubbery"));
-  EXPECT_EQ("From 1 to 3", fmt::format("From {} to {}", 1, 3));
-
-  char buffer[buffer_size];
-  safe_sprintf(buffer, "%03.2f", -1.2);
-  EXPECT_EQ(buffer, fmt::format("{:03.2f}", -1.2));
-
-  EXPECT_EQ("a, b, c", fmt::format("{0}, {1}, {2}", 'a', 'b', 'c'));
-  EXPECT_EQ("a, b, c", fmt::format("{}, {}, {}", 'a', 'b', 'c'));
-  EXPECT_EQ("c, b, a", fmt::format("{2}, {1}, {0}", 'a', 'b', 'c'));
-  EXPECT_EQ("abracadabra", fmt::format("{0}{1}{0}", "abra", "cad"));
-
-  EXPECT_EQ("left aligned                  ",
-            fmt::format("{:<30}", "left aligned"));
-  EXPECT_EQ("                 right aligned",
-            fmt::format("{:>30}", "right aligned"));
-  EXPECT_EQ("           centered           ",
-            fmt::format("{:^30}", "centered"));
-  EXPECT_EQ("***********centered***********",
-            fmt::format("{:*^30}", "centered"));
-
-  EXPECT_EQ("+3.140000; -3.140000", fmt::format("{:+f}; {:+f}", 3.14, -3.14));
-  EXPECT_EQ(" 3.140000; -3.140000", fmt::format("{: f}; {: f}", 3.14, -3.14));
-  EXPECT_EQ("3.140000; -3.140000", fmt::format("{:-f}; {:-f}", 3.14, -3.14));
-
-  EXPECT_EQ("int: 42;  hex: 2a;  oct: 52",
-            fmt::format("int: {0:d};  hex: {0:x};  oct: {0:o}", 42));
-  EXPECT_EQ("int: 42;  hex: 0x2a;  oct: 052",
-            fmt::format("int: {0:d};  hex: {0:#x};  oct: {0:#o}", 42));
-
-  EXPECT_EQ("The answer is 42", fmt::format("The answer is {}", 42));
-  EXPECT_THROW_MSG(
-      (void)fmt::format(runtime("The answer is {:d}"), "forty-two"),
-      format_error, "invalid type specifier");
-
-  EXPECT_WRITE(
-      stdout, fmt::print("{}", std::numeric_limits<double>::infinity()), "inf");
-}
-
-TEST(format_test, print) {
-  EXPECT_WRITE(stdout, fmt::print("Don't {}!", "panic"), "Don't panic!");
-  EXPECT_WRITE(stderr, fmt::print(stderr, "Don't {}!", "panic"),
-               "Don't panic!");
-}
-
-TEST(format_test, variadic) {
-  EXPECT_EQ("abc1", fmt::format("{}c{}", "ab", 1));
-}
-
-TEST(format_test, dynamic) {
-  using ctx = fmt::format_context;
-  auto args = std::vector<fmt::basic_format_arg<ctx>>();
-  args.emplace_back(fmt::detail::make_arg<ctx>(42));
-  args.emplace_back(fmt::detail::make_arg<ctx>("abc1"));
-  args.emplace_back(fmt::detail::make_arg<ctx>(1.5f));
-
-  std::string result = fmt::vformat(
-      "{} and {} and {}",
-      fmt::format_args(args.data(), static_cast<int>(args.size())));
-
-  EXPECT_EQ("42 and abc1 and 1.5", result);
-}
-
-TEST(format_test, bytes) {
-  auto s = fmt::format("{:10}", fmt::bytes("ёжик"));
-  EXPECT_EQ("ёжик  ", s);
-  EXPECT_EQ(10, s.size());
-}
-
-TEST(format_test, group_digits_view) {
-  EXPECT_EQ(fmt::format("{}", fmt::group_digits(10000000)), "10,000,000");
-  EXPECT_EQ(fmt::format("{:8}", fmt::group_digits(1000)), "   1,000");
-}
-
-enum test_enum { foo, bar };
-auto format_as(test_enum e) -> int { return e; }
-
-TEST(format_test, join) {
-  using fmt::join;
-  int v1[3] = {1, 2, 3};
-  auto v2 = std::vector<float>();
-  v2.push_back(1.2f);
-  v2.push_back(3.4f);
-  void* v3[2] = {&v1[0], &v1[1]};
-
-  EXPECT_EQ("(1, 2, 3)", fmt::format("({})", join(v1, v1 + 3, ", ")));
-  EXPECT_EQ("(1)", fmt::format("({})", join(v1, v1 + 1, ", ")));
-  EXPECT_EQ("()", fmt::format("({})", join(v1, v1, ", ")));
-  EXPECT_EQ("(001, 002, 003)", fmt::format("({:03})", join(v1, v1 + 3, ", ")));
-  EXPECT_EQ("(+01.20, +03.40)",
-            fmt::format("({:+06.2f})", join(v2.begin(), v2.end(), ", ")));
-
-  EXPECT_EQ("1, 2, 3", fmt::format("{0:{1}}", join(v1, v1 + 3, ", "), 1));
-
-  EXPECT_EQ(fmt::format("{}, {}", v3[0], v3[1]),
-            fmt::format("{}", join(v3, v3 + 2, ", ")));
-
-  EXPECT_EQ("(1, 2, 3)", fmt::format("({})", join(v1, ", ")));
-  EXPECT_EQ("(+01.20, +03.40)", fmt::format("({:+06.2f})", join(v2, ", ")));
-
-  auto v4 = std::vector<test_enum>{foo, bar, foo};
-  EXPECT_EQ("0 1 0", fmt::format("{}", join(v4, " ")));
-}
-
-#ifdef __cpp_lib_byte
-TEST(format_test, format_byte) {
-  using arg_mapper = fmt::detail::arg_mapper<fmt::format_context>;
-  EXPECT_EQ(arg_mapper().map(std::byte(42)), 42);
-  EXPECT_EQ(fmt::format("{}", std::byte(42)), "42");
-}
-
-TEST(format_test, join_bytes) {
-  auto v = std::vector<std::byte>{std::byte(1), std::byte(2), std::byte(3)};
-  EXPECT_EQ(fmt::format("{}", fmt::join(v, ", ")), "1, 2, 3");
-}
-#endif
-
-std::string vformat_message(int id, const char* format, fmt::format_args args) {
-  auto buffer = fmt::memory_buffer();
-  format_to(fmt::appender(buffer), "[{}] ", id);
-  vformat_to(fmt::appender(buffer), format, args);
-  return to_string(buffer);
-}
-
-template <typename... Args>
-std::string format_message(int id, const char* format, const Args&... args) {
-  auto va = fmt::make_format_args(args...);
-  return vformat_message(id, format, va);
-}
-
-TEST(format_test, format_message_example) {
-  EXPECT_EQ("[42] something happened",
-            format_message(42, "{} happened", "something"));
-}
-
-template <typename... Args>
-void print_error(const char* file, int line, const char* format,
-                 const Args&... args) {
-  fmt::print("{}: {}: ", file, line);
-  fmt::print(format, args...);
-}
-
-TEST(format_test, unpacked_args) {
-  EXPECT_EQ("0123456789abcdefg",
-            fmt::format("{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}", 0, 1, 2, 3, 4, 5,
-                        6, 7, 8, 9, 'a', 'b', 'c', 'd', 'e', 'f', 'g'));
-}
-
-struct string_like {};
-fmt::string_view to_string_view(string_like) { return "foo"; }
-
-constexpr char with_null[3] = {'{', '}', '\0'};
-constexpr char no_null[2] = {'{', '}'};
-static constexpr const char static_with_null[3] = {'{', '}', '\0'};
-static constexpr const char static_no_null[2] = {'{', '}'};
-
-TEST(format_test, compile_time_string) {
-  EXPECT_EQ("foo", fmt::format(FMT_STRING("foo")));
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), 42));
-  EXPECT_EQ("foo", fmt::format(FMT_STRING("{}"), string_like()));
-
-#if FMT_USE_NONTYPE_TEMPLATE_ARGS
-  using namespace fmt::literals;
-  EXPECT_EQ("foobar", fmt::format(FMT_STRING("{foo}{bar}"), "bar"_a = "bar",
-                                  "foo"_a = "foo"));
-  EXPECT_EQ("", fmt::format(FMT_STRING("")));
-  EXPECT_EQ("", fmt::format(FMT_STRING(""), "arg"_a = 42));
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{answer}"), "answer"_a = Answer()));
-#endif
-
-  (void)static_with_null;
-  (void)static_no_null;
-#ifndef _MSC_VER
-  EXPECT_EQ("42", fmt::format(FMT_STRING(static_with_null), 42));
-  EXPECT_EQ("42", fmt::format(FMT_STRING(static_no_null), 42));
-#endif
-
-  (void)with_null;
-  (void)no_null;
-#if FMT_CPLUSPLUS >= 201703L
-  EXPECT_EQ("42", fmt::format(FMT_STRING(with_null), 42));
-  EXPECT_EQ("42", fmt::format(FMT_STRING(no_null), 42));
-#endif
-#if defined(FMT_USE_STRING_VIEW) && FMT_CPLUSPLUS >= 201703L
-  EXPECT_EQ("42", fmt::format(FMT_STRING(std::string_view("{}")), 42));
-#endif
-}
-
-TEST(format_test, custom_format_compile_time_string) {
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), Answer()));
-  auto answer = Answer();
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), answer));
-  char buf[10] = {};
-  fmt::format_to(buf, FMT_STRING("{}"), answer);
-  const Answer const_answer = Answer();
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), const_answer));
-}
-
-#if FMT_USE_USER_DEFINED_LITERALS
-TEST(format_test, named_arg_udl) {
-  using namespace fmt::literals;
-  auto udl_a = fmt::format("{first}{second}{first}{third}", "first"_a = "abra",
-                           "second"_a = "cad", "third"_a = 99);
-  EXPECT_EQ(
-      fmt::format("{first}{second}{first}{third}", fmt::arg("first", "abra"),
-                  fmt::arg("second", "cad"), fmt::arg("third", 99)),
-      udl_a);
-
-  EXPECT_EQ("42", fmt::format("{answer}", "answer"_a = Answer()));
-}
-#endif  // FMT_USE_USER_DEFINED_LITERALS
-
-TEST(format_test, enum) { EXPECT_EQ("0", fmt::format("{}", foo)); }
-
-TEST(format_test, formatter_not_specialized) {
-  static_assert(!fmt::has_formatter<fmt::formatter<test_enum>,
-                                    fmt::format_context>::value,
-                "");
-}
-
-#if FMT_HAS_FEATURE(cxx_strong_enums)
-enum big_enum : unsigned long long { big_enum_value = 5000000000ULL };
-auto format_as(big_enum e) -> unsigned long long { return e; }
-
-TEST(format_test, strong_enum) {
-  EXPECT_EQ("5000000000", fmt::format("{}", big_enum_value));
-}
-#endif
-
-TEST(format_test, non_null_terminated_format_string) {
-  EXPECT_EQ("42", fmt::format(string_view("{}foo", 2), 42));
-}
-
-struct variant {
-  enum { int_type, string_type } type;
-  explicit variant(int) : type(int_type) {}
-  explicit variant(const char*) : type(string_type) {}
-};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<variant> : dynamic_formatter<> {
-  auto format(variant value, format_context& ctx) -> decltype(ctx.out()) {
-    if (value.type == variant::int_type)
-      return dynamic_formatter<>::format(42, ctx);
-    return dynamic_formatter<>::format("foo", ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(format_test, dynamic_formatter) {
-  auto num = variant(42);
-  auto str = variant("foo");
-  EXPECT_EQ("42", fmt::format("{:d}", num));
-  EXPECT_EQ("foo", fmt::format("{:s}", str));
-  EXPECT_EQ(" 42 foo ", fmt::format("{:{}} {:{}}", num, 3, str, 4));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:{}}"), num), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:{0}}"), num), format_error,
-                   "cannot switch from automatic to manual argument indexing");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:+}"), str), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:-}"), str), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{: }"), str), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:#}"), str), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:0}"), str), format_error,
-                   "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{:.2}"), num), format_error,
-                   "precision not allowed for this argument type");
-}
-
-namespace adl_test {
-namespace fmt {
-namespace detail {
-struct foo {};
-template <typename, typename OutputIt> void write(OutputIt, foo) = delete;
-}  // namespace detail
-}  // namespace fmt
-}  // namespace adl_test
-
-FMT_BEGIN_NAMESPACE
-template <>
-struct formatter<adl_test::fmt::detail::foo> : formatter<std::string> {
-  template <typename FormatContext>
-  auto format(adl_test::fmt::detail::foo, FormatContext& ctx)
-      -> decltype(ctx.out()) {
-    return formatter<std::string>::format("foo", ctx);
-  }
-};
-FMT_END_NAMESPACE
-
-struct convertible_to_int {
-  operator int() const { return value; }
-
-  int value = 42;
-};
-
-TEST(format_test, to_string) {
-  EXPECT_EQ(fmt::to_string(42), "42");
-  EXPECT_EQ(fmt::to_string(reinterpret_cast<void*>(0x1234)), "0x1234");
-  EXPECT_EQ(fmt::to_string(adl_test::fmt::detail::foo()), "foo");
-  EXPECT_EQ(fmt::to_string(convertible_to_int()), "42");
-  EXPECT_EQ(fmt::to_string(foo), "0");
-
-#if FMT_USE_FLOAT128
-  EXPECT_EQ(fmt::to_string(__float128(0.5)), "0.5");
-#endif
-}
-
-TEST(format_test, output_iterators) {
-  std::list<char> out;
-  fmt::format_to(std::back_inserter(out), "{}", 42);
-  EXPECT_EQ("42", std::string(out.begin(), out.end()));
-  std::stringstream s;
-  fmt::format_to(std::ostream_iterator<char>(s), "{}", 42);
-  EXPECT_EQ("42", s.str());
-}
-
-TEST(format_test, formatted_size) {
-  EXPECT_EQ(2u, fmt::formatted_size("{}", 42));
-}
-
-TEST(format_test, format_to_no_args) {
-  std::string s;
-  fmt::format_to(std::back_inserter(s), "test");
-  EXPECT_EQ("test", s);
-}
-
-TEST(format_test, format_to) {
-  std::string s;
-  fmt::format_to(std::back_inserter(s), "part{0}", 1);
-  EXPECT_EQ("part1", s);
-  fmt::format_to(std::back_inserter(s), "part{0}", 2);
-  EXPECT_EQ("part1part2", s);
-}
-
-TEST(format_test, format_to_memory_buffer) {
-  auto buf = fmt::basic_memory_buffer<char, 100>();
-  fmt::format_to(fmt::appender(buf), "{}", "foo");
-  EXPECT_EQ("foo", to_string(buf));
-}
-
-TEST(format_test, format_to_vector) {
-  std::vector<char> v;
-  fmt::format_to(std::back_inserter(v), "{}", "foo");
-  EXPECT_EQ(string_view(v.data(), v.size()), "foo");
-}
-
-struct nongrowing_container {
-  using value_type = char;
-  void push_back(char) { throw std::runtime_error("can't take it any more"); }
-};
-
-TEST(format_test, format_to_propagates_exceptions) {
-  auto c = nongrowing_container();
-  EXPECT_THROW(fmt::format_to(std::back_inserter(c), "{}", 42),
-               std::runtime_error);
-}
-
-TEST(format_test, format_to_n) {
-  char buffer[4];
-  buffer[3] = 'x';
-  auto result = fmt::format_to_n(buffer, 3, "{}", 12345);
-  EXPECT_EQ(5u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ("123x", fmt::string_view(buffer, 4));
-
-  result = fmt::format_to_n(buffer, 3, "{:s}", "foobar");
-  EXPECT_EQ(6u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ("foox", fmt::string_view(buffer, 4));
-
-  buffer[0] = 'x';
-  buffer[1] = 'x';
-  buffer[2] = 'x';
-  result = fmt::format_to_n(buffer, 3, "{}", 'A');
-  EXPECT_EQ(1u, result.size);
-  EXPECT_EQ(buffer + 1, result.out);
-  EXPECT_EQ("Axxx", fmt::string_view(buffer, 4));
-
-  result = fmt::format_to_n(buffer, 3, "{}{} ", 'B', 'C');
-  EXPECT_EQ(3u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ("BC x", fmt::string_view(buffer, 4));
-
-  result = fmt::format_to_n(buffer, 4, "{}", "ABCDE");
-  EXPECT_EQ(5u, result.size);
-  EXPECT_EQ("ABCD", fmt::string_view(buffer, 4));
-
-  buffer[3] = 'x';
-  result = fmt::format_to_n(buffer, 3, "{}", std::string(1000, '*'));
-  EXPECT_EQ(1000u, result.size);
-  EXPECT_EQ("***x", fmt::string_view(buffer, 4));
-}
-
-struct test_output_iterator {
-  char* data;
-
-  using iterator_category = std::output_iterator_tag;
-  using value_type = void;
-  using difference_type = void;
-  using pointer = void;
-  using reference = void;
-
-  test_output_iterator& operator++() {
-    ++data;
-    return *this;
-  }
-  test_output_iterator operator++(int) {
-    auto tmp = *this;
-    ++data;
-    return tmp;
-  }
-  char& operator*() { return *data; }
-};
-
-TEST(format_test, format_to_n_output_iterator) {
-  char buf[10] = {};
-  fmt::format_to_n(test_output_iterator{buf}, 10, "{}", 42);
-  EXPECT_STREQ(buf, "42");
-}
-
-#if FMT_USE_CONSTEXPR
-struct test_error_handler {
-  const char*& error;
-
-  FMT_CONSTEXPR test_error_handler(const char*& err) : error(err) {}
-
-  FMT_CONSTEXPR test_error_handler(const test_error_handler& other)
-      : error(other.error) {}
-
-  FMT_CONSTEXPR void on_error(const char* message) {
-    if (!error) error = message;
-  }
-};
-
-FMT_CONSTEXPR size_t len(const char* s) {
-  size_t len = 0;
-  while (*s++) ++len;
-  return len;
-}
-
-FMT_CONSTEXPR bool equal(const char* s1, const char* s2) {
-  if (!s1 || !s2) return s1 == s2;
-  while (*s1 && *s1 == *s2) {
-    ++s1;
-    ++s2;
-  }
-  return *s1 == *s2;
-}
-
-template <typename... Args>
-FMT_CONSTEXPR bool test_error(const char* fmt, const char* expected_error) {
-  const char* actual_error = nullptr;
-  auto s = string_view(fmt, len(fmt));
-  auto checker =
-      fmt::detail::format_string_checker<char, test_error_handler, Args...>(
-          s, test_error_handler(actual_error));
-  fmt::detail::parse_format_string<true>(s, checker);
-  return equal(actual_error, expected_error);
-}
-
-#  define EXPECT_ERROR_NOARGS(fmt, error) \
-    static_assert(test_error(fmt, error), "")
-#  define EXPECT_ERROR(fmt, error, ...) \
-    static_assert(test_error<__VA_ARGS__>(fmt, error), "")
-
-TEST(format_test, format_string_errors) {
-  EXPECT_ERROR_NOARGS("foo", nullptr);
-  EXPECT_ERROR_NOARGS("}", "unmatched '}' in format string");
-  EXPECT_ERROR("{0:s", "unknown format specifier", date);
-#  if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1916
-  // This causes an detail compiler error in MSVC2017.
-  EXPECT_ERROR("{:{<}", "invalid fill character '{'", int);
-  EXPECT_ERROR("{:10000000000}", "number is too big", int);
-  EXPECT_ERROR("{:.10000000000}", "number is too big", int);
-  EXPECT_ERROR_NOARGS("{:x}", "argument not found");
-  EXPECT_ERROR("{:+}", "format specifier requires numeric argument",
-               const char*);
-  EXPECT_ERROR("{:-}", "format specifier requires numeric argument",
-               const char*);
-  EXPECT_ERROR("{:#}", "format specifier requires numeric argument",
-               const char*);
-  EXPECT_ERROR("{: }", "format specifier requires numeric argument",
-               const char*);
-  EXPECT_ERROR("{:0}", "format specifier requires numeric argument",
-               const char*);
-  EXPECT_ERROR("{:+}", "format specifier requires signed argument", unsigned);
-  EXPECT_ERROR("{:-}", "format specifier requires signed argument", unsigned);
-  EXPECT_ERROR("{: }", "format specifier requires signed argument", unsigned);
-  EXPECT_ERROR("{:{}}", "argument not found", int);
-  EXPECT_ERROR("{:.{}}", "argument not found", double);
-  EXPECT_ERROR("{:{}}", "width/precision is not integer", int, double);
-  EXPECT_ERROR("{:.2}", "precision not allowed for this argument type", int);
-  EXPECT_ERROR("{:s}", "invalid type specifier", int);
-  EXPECT_ERROR("{:s}", "invalid type specifier", char);
-  EXPECT_ERROR("{:+}", "invalid format specifier for char", char);
-  EXPECT_ERROR("{:s}", "invalid type specifier", double);
-  EXPECT_ERROR("{:d}", "invalid type specifier", const char*);
-  EXPECT_ERROR("{:d}", "invalid type specifier", std::string);
-  EXPECT_ERROR("{:s}", "invalid type specifier", void*);
-#  else
-  fmt::print("warning: constexpr is broken in this version of MSVC\n");
-#  endif
-#  if FMT_USE_NONTYPE_TEMPLATE_ARGS
-  using namespace fmt::literals;
-  EXPECT_ERROR("{foo}", "named argument is not found", decltype("bar"_a = 42));
-  EXPECT_ERROR("{foo}", "named argument is not found",
-               decltype(fmt::arg("foo", 42)));
-#  else
-  EXPECT_ERROR("{foo}",
-               "compile-time checks for named arguments require C++20 support",
-               int);
-#  endif
-  EXPECT_ERROR_NOARGS("{10000000000}", "argument not found");
-  EXPECT_ERROR_NOARGS("{0x}", "invalid format string");
-  EXPECT_ERROR_NOARGS("{-}", "invalid format string");
-  EXPECT_ERROR("{:{0x}}", "invalid format string", int);
-  EXPECT_ERROR("{:{-}}", "invalid format string", int);
-  EXPECT_ERROR("{:.{0x}}", "invalid format string", int);
-  EXPECT_ERROR("{:.{-}}", "invalid format string", int);
-  EXPECT_ERROR("{:.x}", "missing precision specifier", int);
-  EXPECT_ERROR_NOARGS("{}", "argument not found");
-  EXPECT_ERROR("{1}", "argument not found", int);
-  EXPECT_ERROR("{1}{}",
-               "cannot switch from manual to automatic argument indexing", int,
-               int);
-  EXPECT_ERROR("{}{1}",
-               "cannot switch from automatic to manual argument indexing", int,
-               int);
-}
-
-TEST(format_test, vformat_to) {
-  using context = fmt::format_context;
-  fmt::basic_format_arg<context> arg = fmt::detail::make_arg<context>(42);
-  auto args = fmt::basic_format_args<context>(&arg, 1);
-  auto s = std::string();
-  fmt::vformat_to(std::back_inserter(s), "{}", args);
-  EXPECT_EQ("42", s);
-  s.clear();
-  fmt::vformat_to(std::back_inserter(s), FMT_STRING("{}"), args);
-  EXPECT_EQ("42", s);
-}
-
-#endif  // FMT_USE_CONSTEXPR
-
-TEST(format_test, char_traits_is_not_ambiguous) {
-  // Test that we don't inject detail names into the std namespace.
-  using namespace std;
-  auto c = char_traits<char>::char_type();
-  (void)c;
-#if FMT_CPLUSPLUS >= 201103L
-  auto s = std::string();
-  auto lval = begin(s);
-  (void)lval;
-#endif
-}
-
-struct check_back_appender {};
-
-FMT_BEGIN_NAMESPACE
-template <> struct formatter<check_back_appender> {
-  auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
-    return ctx.begin();
-  }
-
-  template <typename Context>
-  auto format(check_back_appender, Context& ctx) -> decltype(ctx.out()) {
-    auto out = ctx.out();
-    static_assert(std::is_same<decltype(++out), decltype(out)&>::value,
-                  "needs to satisfy weakly_incrementable");
-    *out = 'y';
-    return ++out;
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(format_test, back_insert_slicing) {
-  EXPECT_EQ(fmt::format("{}", check_back_appender{}), "y");
-}
-
-template <typename Char, typename T> bool check_enabled_formatter() {
-  static_assert(std::is_default_constructible<fmt::formatter<T, Char>>::value,
-                "");
-  return true;
-}
-
-template <typename Char, typename... T> void check_enabled_formatters() {
-  auto dummy = {check_enabled_formatter<Char, T>()...};
-  (void)dummy;
-}
-
-TEST(format_test, test_formatters_enabled) {
-  check_enabled_formatters<char, bool, char, signed char, unsigned char, short,
-                           unsigned short, int, unsigned, long, unsigned long,
-                           long long, unsigned long long, float, double,
-                           long double, void*, const void*, char*, const char*,
-                           std::string, std::nullptr_t>();
-  check_enabled_formatters<wchar_t, bool, wchar_t, signed char, unsigned char,
-                           short, unsigned short, int, unsigned, long,
-                           unsigned long, long long, unsigned long long, float,
-                           double, long double, void*, const void*, wchar_t*,
-                           const wchar_t*, std::wstring, std::nullptr_t>();
-}
-
-TEST(format_int_test, data) {
-  fmt::format_int format_int(42);
-  EXPECT_EQ("42", std::string(format_int.data(), format_int.size()));
-}
-
-TEST(format_int_test, format_int) {
-  EXPECT_EQ("42", fmt::format_int(42).str());
-  EXPECT_EQ(2u, fmt::format_int(42).size());
-  EXPECT_EQ("-42", fmt::format_int(-42).str());
-  EXPECT_EQ(3u, fmt::format_int(-42).size());
-  EXPECT_EQ("42", fmt::format_int(42ul).str());
-  EXPECT_EQ("-42", fmt::format_int(-42l).str());
-  EXPECT_EQ("42", fmt::format_int(42ull).str());
-  EXPECT_EQ("-42", fmt::format_int(-42ll).str());
-  std::ostringstream os;
-  os << max_value<int64_t>();
-  EXPECT_EQ(os.str(), fmt::format_int(max_value<int64_t>()).str());
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/CMakeLists.txt b/third_party/fmt-9.1.0/test/fuzzing/CMakeLists.txt
deleted file mode 100644
index 0280c5cd..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/CMakeLists.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright (c) 2019, Paul Dreik
-# License: see LICENSE.rst in the fmt root directory
-
-# Link in the main function. Useful for reproducing, kcov, gdb, afl, valgrind.
-# (Note that libFuzzer can also reproduce, just pass it the files.)
-option(FMT_FUZZ_LINKMAIN "Enables the reproduce mode, instead of libFuzzer" On)
-
-# For oss-fuzz - insert $LIB_FUZZING_ENGINE into the link flags, but only for
-# the fuzz targets, otherwise the CMake configuration step fails.
-set(FMT_FUZZ_LDFLAGS "" CACHE STRING "LDFLAGS for the fuzz targets")
-
-# Adds a binary for reproducing, i.e. no fuzzing, just enables replaying data
-# through the fuzzers.
-function(add_fuzzer source)
-  get_filename_component(basename ${source} NAME_WE)
-  set(name ${basename}-fuzzer)
-  add_executable(${name} ${source} fuzzer-common.h)
-  if (FMT_FUZZ_LINKMAIN)
-    target_sources(${name} PRIVATE main.cc)
-  endif ()
-  target_link_libraries(${name} PRIVATE fmt)
-  if (FMT_FUZZ_LDFLAGS)
-    target_link_libraries(${name} PRIVATE ${FMT_FUZZ_LDFLAGS})
-  endif ()
-  target_compile_features(${name} PRIVATE cxx_generic_lambdas)
-endfunction()
-
-foreach (source chrono-duration.cc chrono-timepoint.cc float.cc named-arg.cc one-arg.cc two-args.cc)
-  add_fuzzer(${source})
-endforeach ()
diff --git a/third_party/fmt-9.1.0/test/fuzzing/README.md b/third_party/fmt-9.1.0/test/fuzzing/README.md
deleted file mode 100644
index bb3d0e04..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/README.md
+++ /dev/null
@@ -1,25 +0,0 @@
-# Running the fuzzers locally
-
-There is a [helper script](build.sh) to build the fuzzers, which has only been
-tested on Debian and Ubuntu linux so far. There should be no problems fuzzing on
-Windows (using clang>=8) or on Mac, but the script will probably not work out of
-the box.
-
-Something along
-```sh
-mkdir build
-cd build
-export CXX=clang++
-export CXXFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g"
-cmake .. -DFMT_SAFE_DURATION_CAST=On -DFMT_FUZZ=On -DFMT_FUZZ_LINKMAIN=Off -DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"
-cmake --build .
-```
-should work to build the fuzzers for all platforms which clang supports.
-
-Execute a fuzzer with for instance
-```sh
-cd build
-export UBSAN_OPTIONS=halt_on_error=1
-mkdir out_chrono
-bin/fuzzer_chrono_duration out_chrono
-```
diff --git a/third_party/fmt-9.1.0/test/fuzzing/build.sh b/third_party/fmt-9.1.0/test/fuzzing/build.sh
deleted file mode 100644
index 4497b62c..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/build.sh
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/bin/sh
-#
-# Creates fuzzer builds of various kinds
-# - oss-fuzz emulated mode (makes sure a simulated invocation by oss-fuzz works)
-# - libFuzzer build (you will need clang)
-# - afl build (you will need afl)
-#
-#
-# Copyright (c) 2019 Paul Dreik
-#
-# For the license information refer to format.h.
-
-set -e
-me=$(basename $0)
-root=$(readlink -f "$(dirname "$0")/../..")
-
-
-echo $me: root=$root
-
-here=$(pwd)
-
-CXXFLAGSALL="-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g"
-CMAKEFLAGSALL="$root -GNinja -DCMAKE_BUILD_TYPE=Debug -DFMT_DOC=Off -DFMT_TEST=Off -DFMT_FUZZ=On -DCMAKE_CXX_STANDARD=17"
-
-CLANG=clang++-11
-
-# For performance analysis of the fuzzers.
-builddir=$here/build-fuzzers-perfanalysis
-mkdir -p $builddir
-cd $builddir
-CXX="ccache g++" CXXFLAGS="$CXXFLAGSALL -g" cmake \
-$CMAKEFLAGSALL \
--DFMT_FUZZ_LINKMAIN=On \
--DCMAKE_BUILD_TYPE=Release
-
-cmake --build $builddir
-
-# Builds the fuzzers as oss-fuzz does.
-builddir=$here/build-fuzzers-ossfuzz
-mkdir -p $builddir
-cd $builddir
-CXX=$CLANG \
-CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link" cmake \
-cmake $CMAKEFLAGSALL \
--DFMT_FUZZ_LINKMAIN=Off \
--DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"
-
-cmake --build $builddir
-
-
-# Builds fuzzers for local fuzzing with libfuzzer with asan+usan.
-builddir=$here/build-fuzzers-libfuzzer
-mkdir -p $builddir
-cd $builddir
-CXX=$CLANG \
-CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link,address,undefined" cmake \
-cmake $CMAKEFLAGSALL \
--DFMT_FUZZ_LINKMAIN=Off \
--DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"
-
-cmake --build $builddir
-
-# Builds a fast fuzzer for making coverage fast.
-builddir=$here/build-fuzzers-fast
-mkdir -p $builddir
-cd $builddir
-CXX=$CLANG \
-CXXFLAGS="$CXXFLAGSALL -fsanitize=fuzzer-no-link -O3" cmake \
-cmake $CMAKEFLAGSALL \
--DFMT_FUZZ_LINKMAIN=Off \
--DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer" \
- -DCMAKE_BUILD_TYPE=Release
-
-cmake --build $builddir
-
-
-# Builds fuzzers for local fuzzing with afl.
-builddir=$here/build-fuzzers-afl
-mkdir -p $builddir
-cd $builddir
-CXX="afl-g++" \
-CXXFLAGS="$CXXFLAGSALL -fsanitize=address,undefined" \
-cmake $CMAKEFLAGSALL \
--DFMT_FUZZ_LINKMAIN=On
-
-cmake --build $builddir
-
-
-echo $me: all good
-
diff --git a/third_party/fmt-9.1.0/test/fuzzing/chrono-duration.cc b/third_party/fmt-9.1.0/test/fuzzing/chrono-duration.cc
deleted file mode 100644
index d66068d9..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/chrono-duration.cc
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright (c) 2019, Paul Dreik
-// For the license information refer to format.h.
-
-#include <fmt/chrono.h>
-
-#include <cstdint>
-
-#include "fuzzer-common.h"
-
-template <typename Period, typename Rep>
-void invoke_inner(fmt::string_view format_str, Rep rep) {
-  auto value = std::chrono::duration<Rep, Period>(rep);
-  try {
-#if FMT_FUZZ_FORMAT_TO_STRING
-    std::string message = fmt::format(format_str, value);
-#else
-    auto buf = fmt::memory_buffer();
-    fmt::format_to(std::back_inserter(buf), format_str, value);
-#endif
-  } catch (std::exception&) {
-  }
-}
-
-// Rep is a duration's representation type.
-template <typename Rep>
-void invoke_outer(const uint8_t* data, size_t size, int period) {
-  // Always use a fixed location of the data.
-  static_assert(sizeof(Rep) <= fixed_size, "fixed size is too small");
-  if (size <= fixed_size + 1) return;
-
-  const Rep rep = assign_from_buf<Rep>(data);
-  data += fixed_size;
-  size -= fixed_size;
-
-  // data is already allocated separately in libFuzzer so reading past the end
-  // will most likely be detected anyway.
-  const auto format_str = fmt::string_view(as_chars(data), size);
-
-  // yocto, zepto, zetta and yotta are not handled.
-  switch (period) {
-  case 1:
-    invoke_inner<std::atto>(format_str, rep);
-    break;
-  case 2:
-    invoke_inner<std::femto>(format_str, rep);
-    break;
-  case 3:
-    invoke_inner<std::pico>(format_str, rep);
-    break;
-  case 4:
-    invoke_inner<std::nano>(format_str, rep);
-    break;
-  case 5:
-    invoke_inner<std::micro>(format_str, rep);
-    break;
-  case 6:
-    invoke_inner<std::milli>(format_str, rep);
-    break;
-  case 7:
-    invoke_inner<std::centi>(format_str, rep);
-    break;
-  case 8:
-    invoke_inner<std::deci>(format_str, rep);
-    break;
-  case 9:
-    invoke_inner<std::deca>(format_str, rep);
-    break;
-  case 10:
-    invoke_inner<std::kilo>(format_str, rep);
-    break;
-  case 11:
-    invoke_inner<std::mega>(format_str, rep);
-    break;
-  case 12:
-    invoke_inner<std::giga>(format_str, rep);
-    break;
-  case 13:
-    invoke_inner<std::tera>(format_str, rep);
-    break;
-  case 14:
-    invoke_inner<std::peta>(format_str, rep);
-    break;
-  case 15:
-    invoke_inner<std::exa>(format_str, rep);
-    break;
-  }
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  if (size <= 4) return 0;
-
-  const auto representation = data[0];
-  const auto period = data[1];
-  data += 2;
-  size -= 2;
-
-  switch (representation) {
-  case 1:
-    invoke_outer<char>(data, size, period);
-    break;
-  case 2:
-    invoke_outer<signed char>(data, size, period);
-    break;
-  case 3:
-    invoke_outer<unsigned char>(data, size, period);
-    break;
-  case 4:
-    invoke_outer<short>(data, size, period);
-    break;
-  case 5:
-    invoke_outer<unsigned short>(data, size, period);
-    break;
-  case 6:
-    invoke_outer<int>(data, size, period);
-    break;
-  case 7:
-    invoke_outer<unsigned int>(data, size, period);
-    break;
-  case 8:
-    invoke_outer<long>(data, size, period);
-    break;
-  case 9:
-    invoke_outer<unsigned long>(data, size, period);
-    break;
-  case 10:
-    invoke_outer<float>(data, size, period);
-    break;
-  case 11:
-    invoke_outer<double>(data, size, period);
-    break;
-  case 12:
-    invoke_outer<long double>(data, size, period);
-    break;
-  }
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/chrono-timepoint.cc b/third_party/fmt-9.1.0/test/fuzzing/chrono-timepoint.cc
deleted file mode 100644
index 8a1b24d2..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/chrono-timepoint.cc
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2021, Paul Dreik
-// For license information refer to format.h.
-#include <fmt/chrono.h>
-
-#include "fuzzer-common.h"
-
-/*
- * a fuzzer for the chrono timepoints formatters
- * C is a clock (std::chrono::system_clock etc)
- */
-template <typename C> void doit(const uint8_t* data, size_t size) {
-  using Rep = typename C::time_point::rep;
-  constexpr auto N = sizeof(Rep);
-  if (size < N) return;
-
-  const auto x = assign_from_buf<Rep>(data);
-  typename C::duration dur{x};
-  typename C::time_point timepoint{dur};
-  data += N;
-  size -= N;
-  data_to_string format_str(data, size);
-
-  std::string message = fmt::format(format_str.get(), timepoint);
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  try {
-    doit<std::chrono::system_clock>(data, size);
-  } catch (...) {
-  }
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/float.cc b/third_party/fmt-9.1.0/test/fuzzing/float.cc
deleted file mode 100644
index d4c9e4f5..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/float.cc
+++ /dev/null
@@ -1,39 +0,0 @@
-// A fuzzer for floating-point formatter.
-// For the license information refer to format.h.
-
-#include <fmt/format.h>
-
-#include <cstdint>
-#include <cstdlib>
-#include <limits>
-#include <stdexcept>
-
-#include "fuzzer-common.h"
-
-void check_round_trip(fmt::string_view format_str, double value) {
-  auto buffer = fmt::memory_buffer();
-  fmt::format_to(std::back_inserter(buffer), format_str, value);
-
-  if (std::isnan(value)) {
-    auto nan = std::signbit(value) ? "-nan" : "nan";
-    if (fmt::string_view(buffer.data(), buffer.size()) != nan)
-      throw std::runtime_error("round trip failure");
-    return;
-  }
-
-  buffer.push_back('\0');
-  char* ptr = nullptr;
-  if (std::strtod(buffer.data(), &ptr) != value)
-    throw std::runtime_error("round trip failure");
-  if (ptr + 1 != buffer.end()) throw std::runtime_error("unparsed output");
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  if (size <= sizeof(double) || !std::numeric_limits<double>::is_iec559)
-    return 0;
-  check_round_trip("{}", assign_from_buf<double>(data));
-  // A larger than necessary precision is used to trigger the fallback
-  // formatter.
-  check_round_trip("{:.50g}", assign_from_buf<double>(data));
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/fuzzer-common.h b/third_party/fmt-9.1.0/test/fuzzing/fuzzer-common.h
deleted file mode 100644
index c0a24672..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/fuzzer-common.h
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright (c) 2019, Paul Dreik
-// For the license information refer to format.h.
-
-#ifndef FUZZER_COMMON_H
-#define FUZZER_COMMON_H
-
-#include <fmt/core.h>
-
-#include <cstdint>  // std::uint8_t
-#include <cstring>  // memcpy
-#include <vector>
-
-// One can format to either a string, or a buffer. The latter is faster, but
-// one may be interested in formatting to a string instead to verify it works
-// as intended. To avoid a combinatoric explosion, select this at compile time
-// instead of dynamically from the fuzz data.
-#define FMT_FUZZ_FORMAT_TO_STRING 0
-
-// If {fmt} is given a buffer that is separately allocated, chances that address
-// sanitizer detects out of bound reads is much higher. However, it slows down
-// the fuzzing.
-#define FMT_FUZZ_SEPARATE_ALLOCATION 1
-
-// The size of the largest possible type in use.
-// To let the the fuzzer mutation be efficient at cross pollinating between
-// different types, use a fixed size format. The same bit pattern, interpreted
-// as another type, is likely interesting.
-constexpr auto fixed_size = 16;
-
-// Casts data to a char pointer.
-template <typename T> inline const char* as_chars(const T* data) {
-  return reinterpret_cast<const char*>(data);
-}
-
-// Casts data to a byte pointer.
-template <typename T> inline const std::uint8_t* as_bytes(const T* data) {
-  return reinterpret_cast<const std::uint8_t*>(data);
-}
-
-// Blits bytes from data to form an (assumed trivially constructible) object
-// of type Item.
-template <class Item> inline Item assign_from_buf(const std::uint8_t* data) {
-  auto item = Item();
-  std::memcpy(&item, data, sizeof(Item));
-  return item;
-}
-
-// Reads a boolean value by looking at the first byte from data.
-template <> inline bool assign_from_buf<bool>(const std::uint8_t* data) {
-  return *data != 0;
-}
-
-struct data_to_string {
-#if FMT_FUZZ_SEPARATE_ALLOCATION
-  std::vector<char> buffer;
-
-  data_to_string(const uint8_t* data, size_t size, bool add_terminator = false)
-      : buffer(size + (add_terminator ? 1 : 0)) {
-    if (size) {
-      std::memcpy(buffer.data(), data, size);
-    }
-  }
-
-  fmt::string_view get() const { return {buffer.data(), buffer.size()}; }
-#else
-  fmt::string_view sv;
-
-  data_to_string(const uint8_t* data, size_t size, bool = false)
-      : str(as_chars(data), size) {}
-
-  fmt::string_view get() const { return sv; }
-#endif
-
-  const char* data() const { return get().data(); }
-};
-
-#endif  // FUZZER_COMMON_H
diff --git a/third_party/fmt-9.1.0/test/fuzzing/main.cc b/third_party/fmt-9.1.0/test/fuzzing/main.cc
deleted file mode 100644
index 8f8c719b..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/main.cc
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <cassert>
-#include <fstream>
-#include <vector>
-
-#include "fuzzer-common.h"
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
-
-int main(int argc, char** argv) {
-  for (int i = 1; i < argc; ++i) {
-    std::ifstream in(argv[i]);
-    assert(in);
-    in.seekg(0, std::ios_base::end);
-    const auto size = in.tellg();
-    assert(size >= 0);
-    in.seekg(0, std::ios_base::beg);
-    std::vector<char> buf(static_cast<size_t>(size));
-    in.read(buf.data(), size);
-    assert(in.gcount() == size);
-    LLVMFuzzerTestOneInput(as_bytes(buf.data()), buf.size());
-  }
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/named-arg.cc b/third_party/fmt-9.1.0/test/fuzzing/named-arg.cc
deleted file mode 100644
index 3bee1ae3..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/named-arg.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright (c) 2019, Paul Dreik
-// For the license information refer to format.h.
-
-#include <fmt/chrono.h>
-
-#include <cstdint>
-#include <type_traits>
-#include <vector>
-
-#include "fuzzer-common.h"
-
-template <typename T>
-void invoke_fmt(const uint8_t* data, size_t size, unsigned arg_name_size) {
-  static_assert(sizeof(T) <= fixed_size, "fixed_size too small");
-  if (size <= fixed_size) return;
-  const T value = assign_from_buf<T>(data);
-  data += fixed_size;
-  size -= fixed_size;
-
-  if (arg_name_size <= 0 || arg_name_size >= size) return;
-  data_to_string arg_name(data, arg_name_size, true);
-  data += arg_name_size;
-  size -= arg_name_size;
-
-  data_to_string format_str(data, size);
-  try {
-#if FMT_FUZZ_FORMAT_TO_STRING
-    std::string message =
-        fmt::format(format_str.get(), fmt::arg(arg_name.data(), value));
-#else
-    fmt::memory_buffer out;
-    fmt::format_to(std::back_inserter(out), format_str.get(),
-                   fmt::arg(arg_name.data(), value));
-#endif
-  } catch (std::exception&) {
-  }
-}
-
-// For dynamic dispatching to an explicit instantiation.
-template <typename Callback> void invoke(int type, Callback callback) {
-  switch (type) {
-  case 0:
-    callback(bool());
-    break;
-  case 1:
-    callback(char());
-    break;
-  case 2:
-    using sc = signed char;
-    callback(sc());
-    break;
-  case 3:
-    using uc = unsigned char;
-    callback(uc());
-    break;
-  case 4:
-    callback(short());
-    break;
-  case 5:
-    using us = unsigned short;
-    callback(us());
-    break;
-  case 6:
-    callback(int());
-    break;
-  case 7:
-    callback(unsigned());
-    break;
-  case 8:
-    callback(long());
-    break;
-  case 9:
-    using ul = unsigned long;
-    callback(ul());
-    break;
-  case 10:
-    callback(float());
-    break;
-  case 11:
-    callback(double());
-    break;
-  case 12:
-    using LD = long double;
-    callback(LD());
-    break;
-  }
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  if (size <= 3) return 0;
-
-  // Switch types depending on the first byte of the input.
-  const auto type = data[0] & 0x0F;
-  const unsigned arg_name_size = (data[0] & 0xF0) >> 4;
-  data++;
-  size--;
-
-  invoke(type, [=](auto arg) {
-    invoke_fmt<decltype(arg)>(data, size, arg_name_size);
-  });
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/one-arg.cc b/third_party/fmt-9.1.0/test/fuzzing/one-arg.cc
deleted file mode 100644
index af9787f8..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/one-arg.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright (c) 2019, Paul Dreik
-// For the license information refer to format.h.
-
-#include <fmt/chrono.h>
-
-#include <cstdint>
-#include <exception>
-
-#include "fuzzer-common.h"
-
-template <typename T, typename Repr> const T* from_repr(const Repr& r) {
-  return &r;
-}
-
-template <> const std::tm* from_repr<std::tm>(const std::time_t& t) {
-  return std::localtime(&t);
-}
-
-template <typename T, typename Repr = T>
-void invoke_fmt(const uint8_t* data, size_t size) {
-  static_assert(sizeof(Repr) <= fixed_size, "Nfixed is too small");
-  if (size <= fixed_size) return;
-  auto repr = assign_from_buf<Repr>(data);
-  const T* value = from_repr<T>(repr);
-  if (!value) return;
-  data += fixed_size;
-  size -= fixed_size;
-  data_to_string format_str(data, size);
-  try {
-#if FMT_FUZZ_FORMAT_TO_STRING
-    std::string message = fmt::format(format_str.get(), *value);
-#else
-    auto buf = fmt::memory_buffer();
-    fmt::format_to(std::back_inserter(buf), format_str.get(), *value);
-#endif
-  } catch (std::exception&) {
-  }
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  if (size <= 3) return 0;
-
-  const auto first = data[0];
-  data++;
-  size--;
-
-  switch (first) {
-  case 0:
-    invoke_fmt<bool>(data, size);
-    break;
-  case 1:
-    invoke_fmt<char>(data, size);
-    break;
-  case 2:
-    invoke_fmt<unsigned char>(data, size);
-    break;
-  case 3:
-    invoke_fmt<signed char>(data, size);
-    break;
-  case 4:
-    invoke_fmt<short>(data, size);
-    break;
-  case 5:
-    invoke_fmt<unsigned short>(data, size);
-    break;
-  case 6:
-    invoke_fmt<int>(data, size);
-    break;
-  case 7:
-    invoke_fmt<unsigned int>(data, size);
-    break;
-  case 8:
-    invoke_fmt<long>(data, size);
-    break;
-  case 9:
-    invoke_fmt<unsigned long>(data, size);
-    break;
-  case 10:
-    invoke_fmt<float>(data, size);
-    break;
-  case 11:
-    invoke_fmt<double>(data, size);
-    break;
-  case 12:
-    invoke_fmt<long double>(data, size);
-    break;
-  case 13:
-    invoke_fmt<std::tm, std::time_t>(data, size);
-    break;
-  }
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/fuzzing/two-args.cc b/third_party/fmt-9.1.0/test/fuzzing/two-args.cc
deleted file mode 100644
index 931c6465..00000000
--- a/third_party/fmt-9.1.0/test/fuzzing/two-args.cc
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright (c) 2019, Paul Dreik
-// For the license information refer to format.h.
-
-#include <fmt/format.h>
-
-#include <cstdint>
-#include <exception>
-#include <string>
-
-#include "fuzzer-common.h"
-
-template <typename Item1, typename Item2>
-void invoke_fmt(const uint8_t* data, size_t size) {
-  static_assert(sizeof(Item1) <= fixed_size, "size1 exceeded");
-  static_assert(sizeof(Item2) <= fixed_size, "size2 exceeded");
-  if (size <= fixed_size + fixed_size) return;
-
-  const Item1 item1 = assign_from_buf<Item1>(data);
-  data += fixed_size;
-  size -= fixed_size;
-
-  const Item2 item2 = assign_from_buf<Item2>(data);
-  data += fixed_size;
-  size -= fixed_size;
-
-  auto format_str = fmt::string_view(as_chars(data), size);
-#if FMT_FUZZ_FORMAT_TO_STRING
-  std::string message = fmt::format(format_str, item1, item2);
-#else
-  auto buf = fmt::memory_buffer();
-  fmt::format_to(std::back_inserter(buf), format_str, item1, item2);
-#endif
-}
-
-// For dynamic dispatching to an explicit instantiation.
-template <typename Callback> void invoke(int index, Callback callback) {
-  switch (index) {
-  case 0:
-    callback(bool());
-    break;
-  case 1:
-    callback(char());
-    break;
-  case 2:
-    using sc = signed char;
-    callback(sc());
-    break;
-  case 3:
-    using uc = unsigned char;
-    callback(uc());
-    break;
-  case 4:
-    callback(short());
-    break;
-  case 5:
-    using us = unsigned short;
-    callback(us());
-    break;
-  case 6:
-    callback(int());
-    break;
-  case 7:
-    callback(unsigned());
-    break;
-  case 8:
-    callback(long());
-    break;
-  case 9:
-    using ul = unsigned long;
-    callback(ul());
-    break;
-  case 10:
-    callback(float());
-    break;
-  case 11:
-    callback(double());
-    break;
-  case 12:
-    using LD = long double;
-    callback(LD());
-    break;
-  case 13:
-    using ptr = void*;
-    callback(ptr());
-    break;
-  }
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  if (size <= 3) return 0;
-
-  // Switch types depending on the first byte of the input.
-  const auto type1 = data[0] & 0x0F;
-  const auto type2 = (data[0] & 0xF0) >> 4;
-  data++;
-  size--;
-  try {
-    invoke(type1, [=](auto param1) {
-      invoke(type2, [=](auto param2) {
-        invoke_fmt<decltype(param1), decltype(param2)>(data, size);
-      });
-    });
-  } catch (std::exception&) {
-  }
-  return 0;
-}
diff --git a/third_party/fmt-9.1.0/test/gtest-extra-test.cc b/third_party/fmt-9.1.0/test/gtest-extra-test.cc
deleted file mode 100644
index 69e42bc6..00000000
--- a/third_party/fmt-9.1.0/test/gtest-extra-test.cc
+++ /dev/null
@@ -1,413 +0,0 @@
-// Formatting library for C++ - tests of custom Google Test assertions
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "gtest-extra.h"
-
-#include <gtest/gtest-spi.h>
-
-#include <cstring>
-#include <memory>
-#include <stdexcept>
-
-#include "fmt/os.h"
-#include "util.h"
-
-// Tests that assertion macros evaluate their arguments exactly once.
-namespace {
-class single_evaluation_test : public ::testing::Test {
- protected:
-  single_evaluation_test() {
-    p_ = s_;
-    a_ = 0;
-    b_ = 0;
-  }
-
-  static const char* const s_;
-  static const char* p_;
-
-  static int a_;
-  static int b_;
-};
-}  // namespace
-
-const char* const single_evaluation_test::s_ = "01234";
-const char* single_evaluation_test::p_;
-int single_evaluation_test::a_;
-int single_evaluation_test::b_;
-
-void do_nothing() {}
-
-FMT_NORETURN void throw_exception() { throw std::runtime_error("test"); }
-
-FMT_NORETURN void throw_system_error() {
-  throw fmt::system_error(EDOM, "test");
-}
-
-// Tests that when EXPECT_THROW_MSG fails, it evaluates its message argument
-// exactly once.
-TEST_F(single_evaluation_test, failed_expect_throw_msg) {
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(throw_exception(), std::exception, p_++), "01234");
-  EXPECT_EQ(s_ + 1, p_);
-}
-
-// Tests that when EXPECT_SYSTEM_ERROR fails, it evaluates its message argument
-// exactly once.
-TEST_F(single_evaluation_test, failed_expect_system_error) {
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, p_++),
-                          "01234");
-  EXPECT_EQ(s_ + 1, p_);
-}
-
-// Tests that assertion arguments are evaluated exactly once.
-TEST_F(single_evaluation_test, exception_tests) {
-  // successful EXPECT_THROW_MSG
-  EXPECT_THROW_MSG(
-      {  // NOLINT
-        a_++;
-        throw_exception();
-      },
-      std::exception, (b_++, "test"));
-  EXPECT_EQ(1, a_);
-  EXPECT_EQ(1, b_);
-
-  // failed EXPECT_THROW_MSG, throws different type
-  EXPECT_NONFATAL_FAILURE(EXPECT_THROW_MSG(
-                              {  // NOLINT
-                                a_++;
-                                throw_exception();
-                              },
-                              std::logic_error, (b_++, "test")),
-                          "throws a different type");
-  EXPECT_EQ(2, a_);
-  EXPECT_EQ(2, b_);
-
-  // failed EXPECT_THROW_MSG, throws an exception with different message
-  EXPECT_NONFATAL_FAILURE(EXPECT_THROW_MSG(
-                              {  // NOLINT
-                                a_++;
-                                throw_exception();
-                              },
-                              std::exception, (b_++, "other")),
-                          "throws an exception with a different message");
-  EXPECT_EQ(3, a_);
-  EXPECT_EQ(3, b_);
-
-  // failed EXPECT_THROW_MSG, throws nothing
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(a_++, std::exception, (b_++, "test")), "throws nothing");
-  EXPECT_EQ(4, a_);
-  EXPECT_EQ(4, b_);
-}
-
-TEST_F(single_evaluation_test, system_error_tests) {
-  // successful EXPECT_SYSTEM_ERROR
-  EXPECT_SYSTEM_ERROR(
-      {  // NOLINT
-        a_++;
-        throw_system_error();
-      },
-      EDOM, (b_++, "test"));
-  EXPECT_EQ(1, a_);
-  EXPECT_EQ(1, b_);
-
-  // failed EXPECT_SYSTEM_ERROR, throws different type
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(
-                              {  // NOLINT
-                                a_++;
-                                throw_exception();
-                              },
-                              EDOM, (b_++, "test")),
-                          "throws a different type");
-  EXPECT_EQ(2, a_);
-  EXPECT_EQ(2, b_);
-
-  // failed EXPECT_SYSTEM_ERROR, throws an exception with different message
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(
-                              {  // NOLINT
-                                a_++;
-                                throw_system_error();
-                              },
-                              EDOM, (b_++, "other")),
-                          "throws an exception with a different message");
-  EXPECT_EQ(3, a_);
-  EXPECT_EQ(3, b_);
-
-  // failed EXPECT_SYSTEM_ERROR, throws nothing
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(a_++, EDOM, (b_++, "test")),
-                          "throws nothing");
-  EXPECT_EQ(4, a_);
-  EXPECT_EQ(4, b_);
-}
-
-#if FMT_USE_FCNTL
-// Tests that when EXPECT_WRITE fails, it evaluates its message argument
-// exactly once.
-TEST_F(single_evaluation_test, failed_expect_write) {
-  EXPECT_NONFATAL_FAILURE(EXPECT_WRITE(stdout, std::printf("test"), p_++),
-                          "01234");
-  EXPECT_EQ(s_ + 1, p_);
-}
-
-// Tests that assertion arguments are evaluated exactly once.
-TEST_F(single_evaluation_test, write_tests) {
-  // successful EXPECT_WRITE
-  EXPECT_WRITE(
-      stdout,
-      {  // NOLINT
-        a_++;
-        std::printf("test");
-      },
-      (b_++, "test"));
-  EXPECT_EQ(1, a_);
-  EXPECT_EQ(1, b_);
-
-  // failed EXPECT_WRITE
-  EXPECT_NONFATAL_FAILURE(EXPECT_WRITE(
-                              stdout,
-                              {  // NOLINT
-                                a_++;
-                                std::printf("test");
-                              },
-                              (b_++, "other")),
-                          "Actual: test");
-  EXPECT_EQ(2, a_);
-  EXPECT_EQ(2, b_);
-}
-
-// Tests EXPECT_WRITE.
-TEST(gtest_extra_test, expect_write) {
-  EXPECT_WRITE(stdout, do_nothing(), "");
-  EXPECT_WRITE(stdout, std::printf("test"), "test");
-  EXPECT_WRITE(stderr, std::fprintf(stderr, "test"), "test");
-  EXPECT_NONFATAL_FAILURE(EXPECT_WRITE(stdout, std::printf("that"), "this"),
-                          "Expected: this\n"
-                          "  Actual: that");
-}
-
-TEST(gtest_extra_test, expect_write_streaming) {
-  EXPECT_WRITE(stdout, std::printf("test"), "test") << "unexpected failure";
-  EXPECT_NONFATAL_FAILURE(EXPECT_WRITE(stdout, std::printf("test"), "other")
-                              << "expected failure",
-                          "expected failure");
-}
-#endif  // FMT_USE_FCNTL
-
-// Tests that the compiler will not complain about unreachable code in the
-// EXPECT_THROW_MSG macro.
-TEST(gtest_extra_test, expect_throw_no_unreachable_code_warning) {
-  int n = 0;
-  using std::runtime_error;
-  EXPECT_THROW_MSG(throw runtime_error(""), runtime_error, "");
-  EXPECT_NONFATAL_FAILURE(EXPECT_THROW_MSG(n++, runtime_error, ""), "");
-  EXPECT_NONFATAL_FAILURE(EXPECT_THROW_MSG(throw 1, runtime_error, ""), "");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(throw runtime_error("a"), runtime_error, "b"), "");
-}
-
-// Tests that the compiler will not complain about unreachable code in the
-// EXPECT_SYSTEM_ERROR macro.
-TEST(gtest_extra_test, expect_system_error_no_unreachable_code_warning) {
-  int n = 0;
-  EXPECT_SYSTEM_ERROR(throw fmt::system_error(EDOM, "test"), EDOM, "test");
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(n++, EDOM, ""), "");
-  EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(throw 1, EDOM, ""), "");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_SYSTEM_ERROR(throw fmt::system_error(EDOM, "aaa"), EDOM, "bbb"),
-      "");
-}
-
-TEST(gtest_extra_test, expect_throw_behaves_like_single_statement) {
-  if (::testing::internal::AlwaysFalse())
-    EXPECT_THROW_MSG(do_nothing(), std::exception, "");
-
-  if (::testing::internal::AlwaysTrue())
-    EXPECT_THROW_MSG(throw_exception(), std::exception, "test");
-  else
-    do_nothing();
-}
-
-TEST(gtest_extra_test, expect_system_error_behaves_like_single_statement) {
-  if (::testing::internal::AlwaysFalse())
-    EXPECT_SYSTEM_ERROR(do_nothing(), EDOM, "");
-
-  if (::testing::internal::AlwaysTrue())
-    EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, "test");
-  else
-    do_nothing();
-}
-
-TEST(gtest_extra_test, expect_write_behaves_like_single_statement) {
-  if (::testing::internal::AlwaysFalse())
-    EXPECT_WRITE(stdout, std::printf("x"), "x");
-
-  if (::testing::internal::AlwaysTrue())
-    EXPECT_WRITE(stdout, std::printf("x"), "x");
-  else
-    do_nothing();
-}
-
-// Tests EXPECT_THROW_MSG.
-TEST(gtest_extra_test, expect_throw_msg) {
-  EXPECT_THROW_MSG(throw_exception(), std::exception, "test");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(throw_exception(), std::logic_error, "test"),
-      "Expected: throw_exception() throws an exception of "
-      "type std::logic_error.\n  Actual: it throws a different type.");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(do_nothing(), std::exception, "test"),
-      "Expected: do_nothing() throws an exception of type std::exception.\n"
-      "  Actual: it throws nothing.");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(throw_exception(), std::exception, "other"),
-      "throw_exception() throws an exception with a different message.\n"
-      "Expected: other\n"
-      "  Actual: test");
-}
-
-// Tests EXPECT_SYSTEM_ERROR.
-TEST(gtest_extra_test, expect_system_error) {
-  EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, "test");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_SYSTEM_ERROR(throw_exception(), EDOM, "test"),
-      "Expected: throw_exception() throws an exception of "
-      "type std::system_error.\n  Actual: it throws a different type.");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_SYSTEM_ERROR(do_nothing(), EDOM, "test"),
-      "Expected: do_nothing() throws an exception of type std::system_error.\n"
-      "  Actual: it throws nothing.");
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, "other"),
-      fmt::format(
-          "throw_system_error() throws an exception with a different message.\n"
-          "Expected: {}\n"
-          "  Actual: {}",
-          system_error_message(EDOM, "other"),
-          system_error_message(EDOM, "test")));
-}
-
-TEST(gtest_extra_test, expect_throw_msg_streaming) {
-  EXPECT_THROW_MSG(throw_exception(), std::exception, "test")
-      << "unexpected failure";
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_THROW_MSG(throw_exception(), std::exception, "other")
-          << "expected failure",
-      "expected failure");
-}
-
-TEST(gtest_extra_test, expect_system_error_streaming) {
-  EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, "test")
-      << "unexpected failure";
-  EXPECT_NONFATAL_FAILURE(
-      EXPECT_SYSTEM_ERROR(throw_system_error(), EDOM, "other")
-          << "expected failure",
-      "expected failure");
-}
-
-#if FMT_USE_FCNTL
-
-using fmt::buffered_file;
-using fmt::file;
-
-TEST(output_redirect_test, scoped_redirect) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  {
-    buffered_file file(write_end.fdopen("w"));
-    std::fprintf(file.get(), "[[[");
-    {
-      output_redirect redir(file.get());
-      std::fprintf(file.get(), "censored");
-    }
-    std::fprintf(file.get(), "]]]");
-  }
-  EXPECT_READ(read_end, "[[[]]]");
-}
-
-// Test that output_redirect handles errors in flush correctly.
-TEST(output_redirect_test, flush_error_in_ctor) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  int write_fd = write_end.descriptor();
-  file write_copy = write_end.dup(write_fd);
-  buffered_file f = write_end.fdopen("w");
-  // Put a character in a file buffer.
-  EXPECT_EQ('x', fputc('x', f.get()));
-  FMT_POSIX(close(write_fd));
-  std::unique_ptr<output_redirect> redir{nullptr};
-  EXPECT_SYSTEM_ERROR_NOASSERT(redir.reset(new output_redirect(f.get())), EBADF,
-                               "cannot flush stream");
-  redir.reset(nullptr);
-  write_copy.dup2(write_fd);  // "undo" close or dtor will fail
-}
-
-TEST(output_redirect_test, dup_error_in_ctor) {
-  buffered_file f = open_buffered_file();
-  int fd = (f.descriptor)();
-  file copy = file::dup(fd);
-  FMT_POSIX(close(fd));
-  std::unique_ptr<output_redirect> redir{nullptr};
-  EXPECT_SYSTEM_ERROR_NOASSERT(
-      redir.reset(new output_redirect(f.get())), EBADF,
-      fmt::format("cannot duplicate file descriptor {}", fd));
-  copy.dup2(fd);  // "undo" close or dtor will fail
-}
-
-TEST(output_redirect_test, restore_and_read) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  buffered_file file(write_end.fdopen("w"));
-  std::fprintf(file.get(), "[[[");
-  output_redirect redir(file.get());
-  std::fprintf(file.get(), "censored");
-  EXPECT_EQ("censored", redir.restore_and_read());
-  EXPECT_EQ("", redir.restore_and_read());
-  std::fprintf(file.get(), "]]]");
-  file = buffered_file();
-  EXPECT_READ(read_end, "[[[]]]");
-}
-
-// Test that OutputRedirect handles errors in flush correctly.
-TEST(output_redirect_test, flush_error_in_restore_and_read) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  int write_fd = write_end.descriptor();
-  file write_copy = write_end.dup(write_fd);
-  buffered_file f = write_end.fdopen("w");
-  output_redirect redir(f.get());
-  // Put a character in a file buffer.
-  EXPECT_EQ('x', fputc('x', f.get()));
-  FMT_POSIX(close(write_fd));
-  EXPECT_SYSTEM_ERROR_NOASSERT(redir.restore_and_read(), EBADF,
-                               "cannot flush stream");
-  write_copy.dup2(write_fd);  // "undo" close or dtor will fail
-}
-
-TEST(output_redirect_test, error_in_dtor) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  int write_fd = write_end.descriptor();
-  file write_copy = write_end.dup(write_fd);
-  buffered_file f = write_end.fdopen("w");
-  std::unique_ptr<output_redirect> redir(new output_redirect(f.get()));
-  // Put a character in a file buffer.
-  EXPECT_EQ('x', fputc('x', f.get()));
-  EXPECT_WRITE(
-      stderr,
-      {
-        // The close function must be called inside EXPECT_WRITE,
-        // otherwise the system may recycle closed file descriptor when
-        // redirecting the output in EXPECT_STDERR and the second close
-        // will break output redirection.
-        FMT_POSIX(close(write_fd));
-        SUPPRESS_ASSERT(redir.reset(nullptr));
-      },
-      system_error_message(EBADF, "cannot flush stream"));
-  write_copy.dup2(write_fd);  // "undo" close or dtor of buffered_file will fail
-}
-
-#endif  // FMT_USE_FCNTL
diff --git a/third_party/fmt-9.1.0/test/gtest-extra.cc b/third_party/fmt-9.1.0/test/gtest-extra.cc
deleted file mode 100644
index 542e4b5e..00000000
--- a/third_party/fmt-9.1.0/test/gtest-extra.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-// Formatting library for C++ - custom Google Test assertions
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "gtest-extra.h"
-
-#if FMT_USE_FCNTL
-
-using fmt::file;
-
-output_redirect::output_redirect(FILE* f) : file_(f) {
-  flush();
-  int fd = FMT_POSIX(fileno(f));
-  // Create a file object referring to the original file.
-  original_ = file::dup(fd);
-  // Create a pipe.
-  file write_end;
-  file::pipe(read_end_, write_end);
-  // Connect the passed FILE object to the write end of the pipe.
-  write_end.dup2(fd);
-}
-
-output_redirect::~output_redirect() noexcept {
-  try {
-    restore();
-  } catch (const std::exception& e) {
-    std::fputs(e.what(), stderr);
-  }
-}
-
-void output_redirect::flush() {
-  int result = 0;
-  do {
-    result = fflush(file_);
-  } while (result == EOF && errno == EINTR);
-  if (result != 0) throw fmt::system_error(errno, "cannot flush stream");
-}
-
-void output_redirect::restore() {
-  if (original_.descriptor() == -1) return;  // Already restored.
-  flush();
-  // Restore the original file.
-  original_.dup2(FMT_POSIX(fileno(file_)));
-  original_.close();
-}
-
-std::string output_redirect::restore_and_read() {
-  // Restore output.
-  restore();
-
-  // Read everything from the pipe.
-  std::string content;
-  if (read_end_.descriptor() == -1) return content;  // Already read.
-  enum { BUFFER_SIZE = 4096 };
-  char buffer[BUFFER_SIZE];
-  size_t count = 0;
-  do {
-    count = read_end_.read(buffer, BUFFER_SIZE);
-    content.append(buffer, count);
-  } while (count != 0);
-  read_end_.close();
-  return content;
-}
-
-std::string read(file& f, size_t count) {
-  std::string buffer(count, '\0');
-  size_t n = 0, offset = 0;
-  do {
-    n = f.read(&buffer[offset], count - offset);
-    // We can't read more than size_t bytes since count has type size_t.
-    offset += n;
-  } while (offset < count && n != 0);
-  buffer.resize(offset);
-  return buffer;
-}
-
-#endif  // FMT_USE_FCNTL
diff --git a/third_party/fmt-9.1.0/test/gtest-extra.h b/third_party/fmt-9.1.0/test/gtest-extra.h
deleted file mode 100644
index ef2a04e7..00000000
--- a/third_party/fmt-9.1.0/test/gtest-extra.h
+++ /dev/null
@@ -1,170 +0,0 @@
-// Formatting library for C++ - custom Google Test assertions
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_GTEST_EXTRA_H_
-#define FMT_GTEST_EXTRA_H_
-
-#include <stdlib.h>  // _invalid_parameter_handler
-
-#include <string>
-
-#ifdef FMT_MODULE_TEST
-import fmt;
-#else
-#  include "fmt/os.h"
-#endif  // FMG_MODULE_TEST
-
-#include "gmock/gmock.h"
-
-#define FMT_TEST_THROW_(statement, expected_exception, expected_message, fail) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                                \
-  if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) {   \
-    std::string gtest_expected_message = expected_message;                     \
-    bool gtest_caught_expected = false;                                        \
-    try {                                                                      \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);               \
-    } catch (expected_exception const& e) {                                    \
-      if (gtest_expected_message != e.what()) {                                \
-        gtest_ar << #statement                                                 \
-            " throws an exception with a different message.\n"                 \
-                 << "Expected: " << gtest_expected_message << "\n"             \
-                 << "  Actual: " << e.what();                                  \
-        goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);            \
-      }                                                                        \
-      gtest_caught_expected = true;                                            \
-    } catch (...) {                                                            \
-      gtest_ar << "Expected: " #statement                                      \
-                  " throws an exception of type " #expected_exception          \
-                  ".\n  Actual: it throws a different type.";                  \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);              \
-    }                                                                          \
-    if (!gtest_caught_expected) {                                              \
-      gtest_ar << "Expected: " #statement                                      \
-                  " throws an exception of type " #expected_exception          \
-                  ".\n  Actual: it throws nothing.";                           \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);              \
-    }                                                                          \
-  } else                                                                       \
-    GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__)                      \
-        : fail(gtest_ar.failure_message())
-
-// Tests that the statement throws the expected exception and the exception's
-// what() method returns expected message.
-#define EXPECT_THROW_MSG(statement, expected_exception, expected_message) \
-  FMT_TEST_THROW_(statement, expected_exception, expected_message,        \
-                  GTEST_NONFATAL_FAILURE_)
-
-inline std::string system_error_message(int error_code,
-                                        const std::string& message) {
-  auto ec = std::error_code(error_code, std::generic_category());
-  return std::system_error(ec, message).what();
-}
-
-#define EXPECT_SYSTEM_ERROR(statement, error_code, message) \
-  EXPECT_THROW_MSG(statement, std::system_error,            \
-                   system_error_message(error_code, message))
-
-#if FMT_USE_FCNTL
-
-// Captures file output by redirecting it to a pipe.
-// The output it can handle is limited by the pipe capacity.
-class output_redirect {
- private:
-  FILE* file_;
-  fmt::file original_;  // Original file passed to redirector.
-  fmt::file read_end_;  // Read end of the pipe where the output is redirected.
-
-  void flush();
-  void restore();
-
- public:
-  explicit output_redirect(FILE* file);
-  ~output_redirect() noexcept;
-
-  output_redirect(const output_redirect&) = delete;
-  void operator=(const output_redirect&) = delete;
-
-  // Restores the original file, reads output from the pipe into a string
-  // and returns it.
-  std::string restore_and_read();
-};
-
-#  define FMT_TEST_WRITE_(statement, expected_output, file, fail)              \
-    GTEST_AMBIGUOUS_ELSE_BLOCKER_                                              \
-    if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \
-      std::string gtest_expected_output = expected_output;                     \
-      output_redirect gtest_redir(file);                                       \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);               \
-      std::string gtest_output = gtest_redir.restore_and_read();               \
-      if (gtest_output != gtest_expected_output) {                             \
-        gtest_ar << #statement " produces different output.\n"                 \
-                 << "Expected: " << gtest_expected_output << "\n"              \
-                 << "  Actual: " << gtest_output;                              \
-        goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);            \
-      }                                                                        \
-    } else                                                                     \
-      GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__)                    \
-          : fail(gtest_ar.failure_message())
-
-// Tests that the statement writes the expected output to file.
-#  define EXPECT_WRITE(file, statement, expected_output) \
-    FMT_TEST_WRITE_(statement, expected_output, file, GTEST_NONFATAL_FAILURE_)
-
-#  ifdef _MSC_VER
-
-// Suppresses Windows assertions on invalid file descriptors, making
-// POSIX functions return proper error codes instead of crashing on Windows.
-class suppress_assert {
- private:
-  _invalid_parameter_handler original_handler_;
-  int original_report_mode_;
-
-  static void handle_invalid_parameter(const wchar_t*, const wchar_t*,
-                                       const wchar_t*, unsigned, uintptr_t) {}
-
- public:
-  suppress_assert()
-      : original_handler_(
-            _set_invalid_parameter_handler(handle_invalid_parameter)),
-        original_report_mode_(_CrtSetReportMode(_CRT_ASSERT, 0)) {}
-  ~suppress_assert() {
-    _set_invalid_parameter_handler(original_handler_);
-    _CrtSetReportMode(_CRT_ASSERT, original_report_mode_);
-    (void)original_report_mode_;
-  }
-};
-
-#    define SUPPRESS_ASSERT(statement) \
-      {                                \
-        suppress_assert sa;            \
-        statement;                     \
-      }
-#  else
-#    define SUPPRESS_ASSERT(statement) statement
-#  endif  // _MSC_VER
-
-#  define EXPECT_SYSTEM_ERROR_NOASSERT(statement, error_code, message) \
-    EXPECT_SYSTEM_ERROR(SUPPRESS_ASSERT(statement), error_code, message)
-
-// Attempts to read count characters from a file.
-std::string read(fmt::file& f, size_t count);
-
-#  define EXPECT_READ(file, expected_content) \
-    EXPECT_EQ(expected_content,               \
-              read(file, fmt::string_view(expected_content).size()))
-
-#else
-#  define EXPECT_WRITE(file, statement, expected_output) \
-    do {                                                 \
-      (void)(file);                                      \
-      (void)(statement);                                 \
-      (void)(expected_output);                           \
-      SUCCEED();                                         \
-    } while (false)
-#endif  // FMT_USE_FCNTL
-
-#endif  // FMT_GTEST_EXTRA_H_
diff --git a/third_party/fmt-9.1.0/test/gtest/.clang-format b/third_party/fmt-9.1.0/test/gtest/.clang-format
deleted file mode 100644
index ec09b9b6..00000000
--- a/third_party/fmt-9.1.0/test/gtest/.clang-format
+++ /dev/null
@@ -1,3 +0,0 @@
-# Disable clang-format here
-DisableFormat: true
-SortIncludes: Never
diff --git a/third_party/fmt-9.1.0/test/gtest/CMakeLists.txt b/third_party/fmt-9.1.0/test/gtest/CMakeLists.txt
deleted file mode 100644
index ed0e59d5..00000000
--- a/third_party/fmt-9.1.0/test/gtest/CMakeLists.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-#------------------------------------------------------------------------------
-# Build the google test library
-
-# We compile Google Test ourselves instead of using pre-compiled libraries.
-# See the Google Test FAQ "Why is it not recommended to install a
-# pre-compiled copy of Google Test (for example, into /usr/local)?"
-# at http://code.google.com/p/googletest/wiki/FAQ for more details.
-add_library(gtest STATIC
-  gmock-gtest-all.cc gmock/gmock.h gtest/gtest.h gtest/gtest-spi.h)
-target_compile_definitions(gtest PUBLIC GTEST_HAS_STD_WSTRING=1)
-target_include_directories(gtest SYSTEM PUBLIC .)
-
-find_package(Threads)
-if (Threads_FOUND)
-  target_link_libraries(gtest ${CMAKE_THREAD_LIBS_INIT})
-else ()
-  target_compile_definitions(gtest PUBLIC GTEST_HAS_PTHREAD=0)
-endif ()
-
-# Workaround GTest bug https://github.com/google/googletest/issues/705.
-fmt_check_cxx_compiler_flag(
-  -fno-delete-null-pointer-checks HAVE_FNO_DELETE_NULL_POINTER_CHECKS)
-if (HAVE_FNO_DELETE_NULL_POINTER_CHECKS)
-  target_compile_options(gtest PUBLIC -fno-delete-null-pointer-checks)
-endif ()
-
-if (MSVC)
-  # Disable MSVC warnings of _CRT_INSECURE_DEPRECATE functions.
-  target_compile_definitions(gtest PRIVATE _CRT_SECURE_NO_WARNINGS)
-  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-    # Disable MSVC warnings of POSIX functions.
-    target_compile_options(gtest PUBLIC -Wno-deprecated-declarations)
-  endif ()
-endif ()
-
-# Silence MSVC tr1 deprecation warning in gmock.
-target_compile_definitions(gtest
-  PUBLIC _SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING=1)
diff --git a/third_party/fmt-9.1.0/test/gtest/gmock-gtest-all.cc b/third_party/fmt-9.1.0/test/gtest/gmock-gtest-all.cc
deleted file mode 100644
index 439ebc62..00000000
--- a/third_party/fmt-9.1.0/test/gtest/gmock-gtest-all.cc
+++ /dev/null
@@ -1,14434 +0,0 @@
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Google C++ Testing and Mocking Framework (Google Test)
-//
-// Sometimes it's desirable to build Google Test by compiling a single file.
-// This file serves this purpose.
-
-// This line ensures that gtest.h can be compiled on its own, even
-// when it's fused.
-#include "gtest/gtest.h"
-
-// The following lines pull in the real gtest *.cc files.
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Utilities for testing Google Test itself and code that uses Google Test
-// (e.g. frameworks built on top of Google Test).
-
-// GOOGLETEST_CM0004 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
-
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// This helper class can be used to mock out Google Test failure reporting
-// so that we can test Google Test or code that builds on Google Test.
-//
-// An object of this class appends a TestPartResult object to the
-// TestPartResultArray object given in the constructor whenever a Google Test
-// failure is reported. It can either intercept only failures that are
-// generated in the same thread that created this object or it can intercept
-// all generated failures. The scope of this mock object can be controlled with
-// the second argument to the two arguments constructor.
-class GTEST_API_ ScopedFakeTestPartResultReporter
-    : public TestPartResultReporterInterface {
- public:
-  // The two possible mocking modes of this object.
-  enum InterceptMode {
-    INTERCEPT_ONLY_CURRENT_THREAD,  // Intercepts only thread local failures.
-    INTERCEPT_ALL_THREADS           // Intercepts all failures.
-  };
-
-  // The c'tor sets this object as the test part result reporter used
-  // by Google Test.  The 'result' parameter specifies where to report the
-  // results. This reporter will only catch failures generated in the current
-  // thread. DEPRECATED
-  explicit ScopedFakeTestPartResultReporter(TestPartResultArray* result);
-
-  // Same as above, but you can choose the interception scope of this object.
-  ScopedFakeTestPartResultReporter(InterceptMode intercept_mode,
-                                   TestPartResultArray* result);
-
-  // The d'tor restores the previous test part result reporter.
-  ~ScopedFakeTestPartResultReporter() override;
-
-  // Appends the TestPartResult object to the TestPartResultArray
-  // received in the constructor.
-  //
-  // This method is from the TestPartResultReporterInterface
-  // interface.
-  void ReportTestPartResult(const TestPartResult& result) override;
-
- private:
-  void Init();
-
-  const InterceptMode intercept_mode_;
-  TestPartResultReporterInterface* old_reporter_;
-  TestPartResultArray* const result_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedFakeTestPartResultReporter);
-};
-
-namespace internal {
-
-// A helper class for implementing EXPECT_FATAL_FAILURE() and
-// EXPECT_NONFATAL_FAILURE().  Its destructor verifies that the given
-// TestPartResultArray contains exactly one failure that has the given
-// type and contains the given substring.  If that's not the case, a
-// non-fatal failure will be generated.
-class GTEST_API_ SingleFailureChecker {
- public:
-  // The constructor remembers the arguments.
-  SingleFailureChecker(const TestPartResultArray* results,
-                       TestPartResult::Type type, const std::string& substr);
-  ~SingleFailureChecker();
- private:
-  const TestPartResultArray* const results_;
-  const TestPartResult::Type type_;
-  const std::string substr_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(SingleFailureChecker);
-};
-
-}  // namespace internal
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-// A set of macros for testing Google Test assertions or code that's expected
-// to generate Google Test fatal failures.  It verifies that the given
-// statement will cause exactly one fatal Google Test failure with 'substr'
-// being part of the failure message.
-//
-// There are two different versions of this macro. EXPECT_FATAL_FAILURE only
-// affects and considers failures generated in the current thread and
-// EXPECT_FATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
-//
-// The verification of the assertion is done correctly even when the statement
-// throws an exception or aborts the current function.
-//
-// Known restrictions:
-//   - 'statement' cannot reference local non-static variables or
-//     non-static members of the current object.
-//   - 'statement' cannot return a value.
-//   - You cannot stream a failure message to this macro.
-//
-// Note that even though the implementations of the following two
-// macros are much alike, we cannot refactor them to use a common
-// helper macro, due to some peculiarity in how the preprocessor
-// works.  The AcceptsMacroThatExpandsToUnprotectedComma test in
-// gtest_unittest.cc will fail to compile if we do that.
-#define EXPECT_FATAL_FAILURE(statement, substr) \
-  do { \
-    class GTestExpectFatalFailureHelper {\
-     public:\
-      static void Execute() { statement; }\
-    };\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
-      GTestExpectFatalFailureHelper::Execute();\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#define EXPECT_FATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
-  do { \
-    class GTestExpectFatalFailureHelper {\
-     public:\
-      static void Execute() { statement; }\
-    };\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ALL_THREADS, &gtest_failures);\
-      GTestExpectFatalFailureHelper::Execute();\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-// A macro for testing Google Test assertions or code that's expected to
-// generate Google Test non-fatal failures.  It asserts that the given
-// statement will cause exactly one non-fatal Google Test failure with 'substr'
-// being part of the failure message.
-//
-// There are two different versions of this macro. EXPECT_NONFATAL_FAILURE only
-// affects and considers failures generated in the current thread and
-// EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
-//
-// 'statement' is allowed to reference local variables and members of
-// the current object.
-//
-// The verification of the assertion is done correctly even when the statement
-// throws an exception or aborts the current function.
-//
-// Known restrictions:
-//   - You cannot stream a failure message to this macro.
-//
-// Note that even though the implementations of the following two
-// macros are much alike, we cannot refactor them to use a common
-// helper macro, due to some peculiarity in how the preprocessor
-// works.  If we do that, the code won't compile when the user gives
-// EXPECT_NONFATAL_FAILURE() a statement that contains a macro that
-// expands to code containing an unprotected comma.  The
-// AcceptsMacroThatExpandsToUnprotectedComma test in gtest_unittest.cc
-// catches that.
-//
-// For the same reason, we have to write
-//   if (::testing::internal::AlwaysTrue()) { statement; }
-// instead of
-//   GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement)
-// to avoid an MSVC warning on unreachable code.
-#define EXPECT_NONFATAL_FAILURE(statement, substr) \
-  do {\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
-        (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
-      if (::testing::internal::AlwaysTrue()) { statement; }\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#define EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
-  do {\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
-        (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter::INTERCEPT_ALL_THREADS, \
-          &gtest_failures);\
-      if (::testing::internal::AlwaysTrue()) { statement; }\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
-
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <wchar.h>
-#include <wctype.h>
-
-#include <algorithm>
-#include <chrono>  // NOLINT
-#include <cmath>
-#include <cstdint>
-#include <iomanip>
-#include <limits>
-#include <list>
-#include <map>
-#include <ostream>  // NOLINT
-#include <sstream>
-#include <vector>
-
-#if GTEST_OS_LINUX
-
-# include <fcntl.h>  // NOLINT
-# include <limits.h>  // NOLINT
-# include <sched.h>  // NOLINT
-// Declares vsnprintf().  This header is not available on Windows.
-# include <strings.h>  // NOLINT
-# include <sys/mman.h>  // NOLINT
-# include <sys/time.h>  // NOLINT
-# include <unistd.h>  // NOLINT
-# include <string>
-
-#elif GTEST_OS_ZOS
-# include <sys/time.h>  // NOLINT
-
-// On z/OS we additionally need strings.h for strcasecmp.
-# include <strings.h>  // NOLINT
-
-#elif GTEST_OS_WINDOWS_MOBILE  // We are on Windows CE.
-
-# include <windows.h>  // NOLINT
-# undef min
-
-#elif GTEST_OS_WINDOWS  // We are on Windows proper.
-
-# include <windows.h>  // NOLINT
-# undef min
-
-#ifdef _MSC_VER
-# include <crtdbg.h>  // NOLINT
-#endif
-
-# include <io.h>  // NOLINT
-# include <sys/timeb.h>  // NOLINT
-# include <sys/types.h>  // NOLINT
-# include <sys/stat.h>  // NOLINT
-
-# if GTEST_OS_WINDOWS_MINGW
-#  include <sys/time.h>  // NOLINT
-# endif  // GTEST_OS_WINDOWS_MINGW
-
-#else
-
-// cpplint thinks that the header is already included, so we want to
-// silence it.
-# include <sys/time.h>  // NOLINT
-# include <unistd.h>  // NOLINT
-
-#endif  // GTEST_OS_LINUX
-
-#if GTEST_HAS_EXCEPTIONS
-# include <stdexcept>
-#endif
-
-#if GTEST_CAN_STREAM_RESULTS_
-# include <arpa/inet.h>  // NOLINT
-# include <netdb.h>  // NOLINT
-# include <sys/socket.h>  // NOLINT
-# include <sys/types.h>  // NOLINT
-#endif
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Utility functions and classes used by the Google C++ testing framework.//
-// This file contains purely Google Test's internal implementation.  Please
-// DO NOT #INCLUDE IT IN A USER PROGRAM.
-
-#ifndef GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_
-#define GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_
-
-#ifndef _WIN32_WCE
-# include <errno.h>
-#endif  // !_WIN32_WCE
-#include <stddef.h>
-#include <stdlib.h>  // For strtoll/_strtoul64/malloc/free.
-#include <string.h>  // For memmove.
-
-#include <algorithm>
-#include <cstdint>
-#include <memory>
-#include <string>
-#include <vector>
-
-
-#if GTEST_CAN_STREAM_RESULTS_
-# include <arpa/inet.h>  // NOLINT
-# include <netdb.h>  // NOLINT
-#endif
-
-#if GTEST_OS_WINDOWS
-# include <windows.h>  // NOLINT
-#endif  // GTEST_OS_WINDOWS
-
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// Declares the flags.
-//
-// We don't want the users to modify this flag in the code, but want
-// Google Test's own unit tests to be able to access it. Therefore we
-// declare it here as opposed to in gtest.h.
-GTEST_DECLARE_bool_(death_test_use_fork);
-
-namespace internal {
-
-// The value of GetTestTypeId() as seen from within the Google Test
-// library.  This is solely for testing GetTestTypeId().
-GTEST_API_ extern const TypeId kTestTypeIdInGoogleTest;
-
-// Names of the flags (needed for parsing Google Test flags).
-const char kAlsoRunDisabledTestsFlag[] = "also_run_disabled_tests";
-const char kBreakOnFailureFlag[] = "break_on_failure";
-const char kCatchExceptionsFlag[] = "catch_exceptions";
-const char kColorFlag[] = "color";
-const char kFailFast[] = "fail_fast";
-const char kFilterFlag[] = "filter";
-const char kListTestsFlag[] = "list_tests";
-const char kOutputFlag[] = "output";
-const char kBriefFlag[] = "brief";
-const char kPrintTimeFlag[] = "print_time";
-const char kPrintUTF8Flag[] = "print_utf8";
-const char kRandomSeedFlag[] = "random_seed";
-const char kRepeatFlag[] = "repeat";
-const char kShuffleFlag[] = "shuffle";
-const char kStackTraceDepthFlag[] = "stack_trace_depth";
-const char kStreamResultToFlag[] = "stream_result_to";
-const char kThrowOnFailureFlag[] = "throw_on_failure";
-const char kFlagfileFlag[] = "flagfile";
-
-// A valid random seed must be in [1, kMaxRandomSeed].
-const int kMaxRandomSeed = 99999;
-
-// g_help_flag is true if and only if the --help flag or an equivalent form
-// is specified on the command line.
-GTEST_API_ extern bool g_help_flag;
-
-// Returns the current time in milliseconds.
-GTEST_API_ TimeInMillis GetTimeInMillis();
-
-// Returns true if and only if Google Test should use colors in the output.
-GTEST_API_ bool ShouldUseColor(bool stdout_is_tty);
-
-// Formats the given time in milliseconds as seconds.
-GTEST_API_ std::string FormatTimeInMillisAsSeconds(TimeInMillis ms);
-
-// Converts the given time in milliseconds to a date string in the ISO 8601
-// format, without the timezone information.  N.B.: due to the use the
-// non-reentrant localtime() function, this function is not thread safe.  Do
-// not use it in any code that can be called from multiple threads.
-GTEST_API_ std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms);
-
-// Parses a string for an Int32 flag, in the form of "--flag=value".
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-GTEST_API_ bool ParseInt32Flag(
-    const char* str, const char* flag, int32_t* value);
-
-// Returns a random seed in range [1, kMaxRandomSeed] based on the
-// given --gtest_random_seed flag value.
-inline int GetRandomSeedFromFlag(int32_t random_seed_flag) {
-  const unsigned int raw_seed = (random_seed_flag == 0) ?
-      static_cast<unsigned int>(GetTimeInMillis()) :
-      static_cast<unsigned int>(random_seed_flag);
-
-  // Normalizes the actual seed to range [1, kMaxRandomSeed] such that
-  // it's easy to type.
-  const int normalized_seed =
-      static_cast<int>((raw_seed - 1U) %
-                       static_cast<unsigned int>(kMaxRandomSeed)) + 1;
-  return normalized_seed;
-}
-
-// Returns the first valid random seed after 'seed'.  The behavior is
-// undefined if 'seed' is invalid.  The seed after kMaxRandomSeed is
-// considered to be 1.
-inline int GetNextRandomSeed(int seed) {
-  GTEST_CHECK_(1 <= seed && seed <= kMaxRandomSeed)
-      << "Invalid random seed " << seed << " - must be in [1, "
-      << kMaxRandomSeed << "].";
-  const int next_seed = seed + 1;
-  return (next_seed > kMaxRandomSeed) ? 1 : next_seed;
-}
-
-// This class saves the values of all Google Test flags in its c'tor, and
-// restores them in its d'tor.
-class GTestFlagSaver {
- public:
-  // The c'tor.
-  GTestFlagSaver() {
-    also_run_disabled_tests_ = GTEST_FLAG(also_run_disabled_tests);
-    break_on_failure_ = GTEST_FLAG(break_on_failure);
-    catch_exceptions_ = GTEST_FLAG(catch_exceptions);
-    color_ = GTEST_FLAG(color);
-    death_test_style_ = GTEST_FLAG(death_test_style);
-    death_test_use_fork_ = GTEST_FLAG(death_test_use_fork);
-    fail_fast_ = GTEST_FLAG(fail_fast);
-    filter_ = GTEST_FLAG(filter);
-    internal_run_death_test_ = GTEST_FLAG(internal_run_death_test);
-    list_tests_ = GTEST_FLAG(list_tests);
-    output_ = GTEST_FLAG(output);
-    brief_ = GTEST_FLAG(brief);
-    print_time_ = GTEST_FLAG(print_time);
-    print_utf8_ = GTEST_FLAG(print_utf8);
-    random_seed_ = GTEST_FLAG(random_seed);
-    repeat_ = GTEST_FLAG(repeat);
-    shuffle_ = GTEST_FLAG(shuffle);
-    stack_trace_depth_ = GTEST_FLAG(stack_trace_depth);
-    stream_result_to_ = GTEST_FLAG(stream_result_to);
-    throw_on_failure_ = GTEST_FLAG(throw_on_failure);
-  }
-
-  // The d'tor is not virtual.  DO NOT INHERIT FROM THIS CLASS.
-  ~GTestFlagSaver() {
-    GTEST_FLAG(also_run_disabled_tests) = also_run_disabled_tests_;
-    GTEST_FLAG(break_on_failure) = break_on_failure_;
-    GTEST_FLAG(catch_exceptions) = catch_exceptions_;
-    GTEST_FLAG(color) = color_;
-    GTEST_FLAG(death_test_style) = death_test_style_;
-    GTEST_FLAG(death_test_use_fork) = death_test_use_fork_;
-    GTEST_FLAG(filter) = filter_;
-    GTEST_FLAG(fail_fast) = fail_fast_;
-    GTEST_FLAG(internal_run_death_test) = internal_run_death_test_;
-    GTEST_FLAG(list_tests) = list_tests_;
-    GTEST_FLAG(output) = output_;
-    GTEST_FLAG(brief) = brief_;
-    GTEST_FLAG(print_time) = print_time_;
-    GTEST_FLAG(print_utf8) = print_utf8_;
-    GTEST_FLAG(random_seed) = random_seed_;
-    GTEST_FLAG(repeat) = repeat_;
-    GTEST_FLAG(shuffle) = shuffle_;
-    GTEST_FLAG(stack_trace_depth) = stack_trace_depth_;
-    GTEST_FLAG(stream_result_to) = stream_result_to_;
-    GTEST_FLAG(throw_on_failure) = throw_on_failure_;
-  }
-
- private:
-  // Fields for saving the original values of flags.
-  bool also_run_disabled_tests_;
-  bool break_on_failure_;
-  bool catch_exceptions_;
-  std::string color_;
-  std::string death_test_style_;
-  bool death_test_use_fork_;
-  bool fail_fast_;
-  std::string filter_;
-  std::string internal_run_death_test_;
-  bool list_tests_;
-  std::string output_;
-  bool brief_;
-  bool print_time_;
-  bool print_utf8_;
-  int32_t random_seed_;
-  int32_t repeat_;
-  bool shuffle_;
-  int32_t stack_trace_depth_;
-  std::string stream_result_to_;
-  bool throw_on_failure_;
-} GTEST_ATTRIBUTE_UNUSED_;
-
-// Converts a Unicode code point to a narrow string in UTF-8 encoding.
-// code_point parameter is of type UInt32 because wchar_t may not be
-// wide enough to contain a code point.
-// If the code_point is not a valid Unicode code point
-// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be converted
-// to "(Invalid Unicode 0xXXXXXXXX)".
-GTEST_API_ std::string CodePointToUtf8(uint32_t code_point);
-
-// Converts a wide string to a narrow string in UTF-8 encoding.
-// The wide string is assumed to have the following encoding:
-//   UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin)
-//   UTF-32 if sizeof(wchar_t) == 4 (on Linux)
-// Parameter str points to a null-terminated wide string.
-// Parameter num_chars may additionally limit the number
-// of wchar_t characters processed. -1 is used when the entire string
-// should be processed.
-// If the string contains code points that are not valid Unicode code points
-// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
-// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
-// and contains invalid UTF-16 surrogate pairs, values in those pairs
-// will be encoded as individual Unicode characters from Basic Normal Plane.
-GTEST_API_ std::string WideStringToUtf8(const wchar_t* str, int num_chars);
-
-// Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
-// if the variable is present. If a file already exists at this location, this
-// function will write over it. If the variable is present, but the file cannot
-// be created, prints an error and exits.
-void WriteToShardStatusFileIfNeeded();
-
-// Checks whether sharding is enabled by examining the relevant
-// environment variable values. If the variables are present,
-// but inconsistent (e.g., shard_index >= total_shards), prints
-// an error and exits. If in_subprocess_for_death_test, sharding is
-// disabled because it must only be applied to the original test
-// process. Otherwise, we could filter out death tests we intended to execute.
-GTEST_API_ bool ShouldShard(const char* total_shards_str,
-                            const char* shard_index_str,
-                            bool in_subprocess_for_death_test);
-
-// Parses the environment variable var as a 32-bit integer. If it is unset,
-// returns default_val. If it is not a 32-bit integer, prints an error and
-// and aborts.
-GTEST_API_ int32_t Int32FromEnvOrDie(const char* env_var, int32_t default_val);
-
-// Given the total number of shards, the shard index, and the test id,
-// returns true if and only if the test should be run on this shard. The test id
-// is some arbitrary but unique non-negative integer assigned to each test
-// method. Assumes that 0 <= shard_index < total_shards.
-GTEST_API_ bool ShouldRunTestOnShard(
-    int total_shards, int shard_index, int test_id);
-
-// STL container utilities.
-
-// Returns the number of elements in the given container that satisfy
-// the given predicate.
-template <class Container, typename Predicate>
-inline int CountIf(const Container& c, Predicate predicate) {
-  // Implemented as an explicit loop since std::count_if() in libCstd on
-  // Solaris has a non-standard signature.
-  int count = 0;
-  for (typename Container::const_iterator it = c.begin(); it != c.end(); ++it) {
-    if (predicate(*it))
-      ++count;
-  }
-  return count;
-}
-
-// Applies a function/functor to each element in the container.
-template <class Container, typename Functor>
-void ForEach(const Container& c, Functor functor) {
-  std::for_each(c.begin(), c.end(), functor);
-}
-
-// Returns the i-th element of the vector, or default_value if i is not
-// in range [0, v.size()).
-template <typename E>
-inline E GetElementOr(const std::vector<E>& v, int i, E default_value) {
-  return (i < 0 || i >= static_cast<int>(v.size())) ? default_value
-                                                    : v[static_cast<size_t>(i)];
-}
-
-// Performs an in-place shuffle of a range of the vector's elements.
-// 'begin' and 'end' are element indices as an STL-style range;
-// i.e. [begin, end) are shuffled, where 'end' == size() means to
-// shuffle to the end of the vector.
-template <typename E>
-void ShuffleRange(internal::Random* random, int begin, int end,
-                  std::vector<E>* v) {
-  const int size = static_cast<int>(v->size());
-  GTEST_CHECK_(0 <= begin && begin <= size)
-      << "Invalid shuffle range start " << begin << ": must be in range [0, "
-      << size << "].";
-  GTEST_CHECK_(begin <= end && end <= size)
-      << "Invalid shuffle range finish " << end << ": must be in range ["
-      << begin << ", " << size << "].";
-
-  // Fisher-Yates shuffle, from
-  // http://en.wikipedia.org/wiki/Fisher-Yates_shuffle
-  for (int range_width = end - begin; range_width >= 2; range_width--) {
-    const int last_in_range = begin + range_width - 1;
-    const int selected =
-        begin +
-        static_cast<int>(random->Generate(static_cast<uint32_t>(range_width)));
-    std::swap((*v)[static_cast<size_t>(selected)],
-              (*v)[static_cast<size_t>(last_in_range)]);
-  }
-}
-
-// Performs an in-place shuffle of the vector's elements.
-template <typename E>
-inline void Shuffle(internal::Random* random, std::vector<E>* v) {
-  ShuffleRange(random, 0, static_cast<int>(v->size()), v);
-}
-
-// A function for deleting an object.  Handy for being used as a
-// functor.
-template <typename T>
-static void Delete(T* x) {
-  delete x;
-}
-
-// A predicate that checks the key of a TestProperty against a known key.
-//
-// TestPropertyKeyIs is copyable.
-class TestPropertyKeyIs {
- public:
-  // Constructor.
-  //
-  // TestPropertyKeyIs has NO default constructor.
-  explicit TestPropertyKeyIs(const std::string& key) : key_(key) {}
-
-  // Returns true if and only if the test name of test property matches on key_.
-  bool operator()(const TestProperty& test_property) const {
-    return test_property.key() == key_;
-  }
-
- private:
-  std::string key_;
-};
-
-// Class UnitTestOptions.
-//
-// This class contains functions for processing options the user
-// specifies when running the tests.  It has only static members.
-//
-// In most cases, the user can specify an option using either an
-// environment variable or a command line flag.  E.g. you can set the
-// test filter using either GTEST_FILTER or --gtest_filter.  If both
-// the variable and the flag are present, the latter overrides the
-// former.
-class GTEST_API_ UnitTestOptions {
- public:
-  // Functions for processing the gtest_output flag.
-
-  // Returns the output format, or "" for normal printed output.
-  static std::string GetOutputFormat();
-
-  // Returns the absolute path of the requested output file, or the
-  // default (test_detail.xml in the original working directory) if
-  // none was explicitly specified.
-  static std::string GetAbsolutePathToOutputFile();
-
-  // Functions for processing the gtest_filter flag.
-
-  // Returns true if and only if the user-specified filter matches the test
-  // suite name and the test name.
-  static bool FilterMatchesTest(const std::string& test_suite_name,
-                                const std::string& test_name);
-
-#if GTEST_OS_WINDOWS
-  // Function for supporting the gtest_catch_exception flag.
-
-  // Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
-  // given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
-  // This function is useful as an __except condition.
-  static int GTestShouldProcessSEH(DWORD exception_code);
-#endif  // GTEST_OS_WINDOWS
-
-  // Returns true if "name" matches the ':' separated list of glob-style
-  // filters in "filter".
-  static bool MatchesFilter(const std::string& name, const char* filter);
-};
-
-// Returns the current application's name, removing directory path if that
-// is present.  Used by UnitTestOptions::GetOutputFile.
-GTEST_API_ FilePath GetCurrentExecutableName();
-
-// The role interface for getting the OS stack trace as a string.
-class OsStackTraceGetterInterface {
- public:
-  OsStackTraceGetterInterface() {}
-  virtual ~OsStackTraceGetterInterface() {}
-
-  // Returns the current OS stack trace as an std::string.  Parameters:
-  //
-  //   max_depth  - the maximum number of stack frames to be included
-  //                in the trace.
-  //   skip_count - the number of top frames to be skipped; doesn't count
-  //                against max_depth.
-  virtual std::string CurrentStackTrace(int max_depth, int skip_count) = 0;
-
-  // UponLeavingGTest() should be called immediately before Google Test calls
-  // user code. It saves some information about the current stack that
-  // CurrentStackTrace() will use to find and hide Google Test stack frames.
-  virtual void UponLeavingGTest() = 0;
-
-  // This string is inserted in place of stack frames that are part of
-  // Google Test's implementation.
-  static const char* const kElidedFramesMarker;
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetterInterface);
-};
-
-// A working implementation of the OsStackTraceGetterInterface interface.
-class OsStackTraceGetter : public OsStackTraceGetterInterface {
- public:
-  OsStackTraceGetter() {}
-
-  std::string CurrentStackTrace(int max_depth, int skip_count) override;
-  void UponLeavingGTest() override;
-
- private:
-#if GTEST_HAS_ABSL
-  Mutex mutex_;  // Protects all internal state.
-
-  // We save the stack frame below the frame that calls user code.
-  // We do this because the address of the frame immediately below
-  // the user code changes between the call to UponLeavingGTest()
-  // and any calls to the stack trace code from within the user code.
-  void* caller_frame_ = nullptr;
-#endif  // GTEST_HAS_ABSL
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetter);
-};
-
-// Information about a Google Test trace point.
-struct TraceInfo {
-  const char* file;
-  int line;
-  std::string message;
-};
-
-// This is the default global test part result reporter used in UnitTestImpl.
-// This class should only be used by UnitTestImpl.
-class DefaultGlobalTestPartResultReporter
-  : public TestPartResultReporterInterface {
- public:
-  explicit DefaultGlobalTestPartResultReporter(UnitTestImpl* unit_test);
-  // Implements the TestPartResultReporterInterface. Reports the test part
-  // result in the current test.
-  void ReportTestPartResult(const TestPartResult& result) override;
-
- private:
-  UnitTestImpl* const unit_test_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultGlobalTestPartResultReporter);
-};
-
-// This is the default per thread test part result reporter used in
-// UnitTestImpl. This class should only be used by UnitTestImpl.
-class DefaultPerThreadTestPartResultReporter
-    : public TestPartResultReporterInterface {
- public:
-  explicit DefaultPerThreadTestPartResultReporter(UnitTestImpl* unit_test);
-  // Implements the TestPartResultReporterInterface. The implementation just
-  // delegates to the current global test part result reporter of *unit_test_.
-  void ReportTestPartResult(const TestPartResult& result) override;
-
- private:
-  UnitTestImpl* const unit_test_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultPerThreadTestPartResultReporter);
-};
-
-// The private implementation of the UnitTest class.  We don't protect
-// the methods under a mutex, as this class is not accessible by a
-// user and the UnitTest class that delegates work to this class does
-// proper locking.
-class GTEST_API_ UnitTestImpl {
- public:
-  explicit UnitTestImpl(UnitTest* parent);
-  virtual ~UnitTestImpl();
-
-  // There are two different ways to register your own TestPartResultReporter.
-  // You can register your own repoter to listen either only for test results
-  // from the current thread or for results from all threads.
-  // By default, each per-thread test result repoter just passes a new
-  // TestPartResult to the global test result reporter, which registers the
-  // test part result for the currently running test.
-
-  // Returns the global test part result reporter.
-  TestPartResultReporterInterface* GetGlobalTestPartResultReporter();
-
-  // Sets the global test part result reporter.
-  void SetGlobalTestPartResultReporter(
-      TestPartResultReporterInterface* reporter);
-
-  // Returns the test part result reporter for the current thread.
-  TestPartResultReporterInterface* GetTestPartResultReporterForCurrentThread();
-
-  // Sets the test part result reporter for the current thread.
-  void SetTestPartResultReporterForCurrentThread(
-      TestPartResultReporterInterface* reporter);
-
-  // Gets the number of successful test suites.
-  int successful_test_suite_count() const;
-
-  // Gets the number of failed test suites.
-  int failed_test_suite_count() const;
-
-  // Gets the number of all test suites.
-  int total_test_suite_count() const;
-
-  // Gets the number of all test suites that contain at least one test
-  // that should run.
-  int test_suite_to_run_count() const;
-
-  // Gets the number of successful tests.
-  int successful_test_count() const;
-
-  // Gets the number of skipped tests.
-  int skipped_test_count() const;
-
-  // Gets the number of failed tests.
-  int failed_test_count() const;
-
-  // Gets the number of disabled tests that will be reported in the XML report.
-  int reportable_disabled_test_count() const;
-
-  // Gets the number of disabled tests.
-  int disabled_test_count() const;
-
-  // Gets the number of tests to be printed in the XML report.
-  int reportable_test_count() const;
-
-  // Gets the number of all tests.
-  int total_test_count() const;
-
-  // Gets the number of tests that should run.
-  int test_to_run_count() const;
-
-  // Gets the time of the test program start, in ms from the start of the
-  // UNIX epoch.
-  TimeInMillis start_timestamp() const { return start_timestamp_; }
-
-  // Gets the elapsed time, in milliseconds.
-  TimeInMillis elapsed_time() const { return elapsed_time_; }
-
-  // Returns true if and only if the unit test passed (i.e. all test suites
-  // passed).
-  bool Passed() const { return !Failed(); }
-
-  // Returns true if and only if the unit test failed (i.e. some test suite
-  // failed or something outside of all tests failed).
-  bool Failed() const {
-    return failed_test_suite_count() > 0 || ad_hoc_test_result()->Failed();
-  }
-
-  // Gets the i-th test suite among all the test suites. i can range from 0 to
-  // total_test_suite_count() - 1. If i is not in that range, returns NULL.
-  const TestSuite* GetTestSuite(int i) const {
-    const int index = GetElementOr(test_suite_indices_, i, -1);
-    return index < 0 ? nullptr : test_suites_[static_cast<size_t>(i)];
-  }
-
-  //  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  const TestCase* GetTestCase(int i) const { return GetTestSuite(i); }
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Gets the i-th test suite among all the test suites. i can range from 0 to
-  // total_test_suite_count() - 1. If i is not in that range, returns NULL.
-  TestSuite* GetMutableSuiteCase(int i) {
-    const int index = GetElementOr(test_suite_indices_, i, -1);
-    return index < 0 ? nullptr : test_suites_[static_cast<size_t>(index)];
-  }
-
-  // Provides access to the event listener list.
-  TestEventListeners* listeners() { return &listeners_; }
-
-  // Returns the TestResult for the test that's currently running, or
-  // the TestResult for the ad hoc test if no test is running.
-  TestResult* current_test_result();
-
-  // Returns the TestResult for the ad hoc test.
-  const TestResult* ad_hoc_test_result() const { return &ad_hoc_test_result_; }
-
-  // Sets the OS stack trace getter.
-  //
-  // Does nothing if the input and the current OS stack trace getter
-  // are the same; otherwise, deletes the old getter and makes the
-  // input the current getter.
-  void set_os_stack_trace_getter(OsStackTraceGetterInterface* getter);
-
-  // Returns the current OS stack trace getter if it is not NULL;
-  // otherwise, creates an OsStackTraceGetter, makes it the current
-  // getter, and returns it.
-  OsStackTraceGetterInterface* os_stack_trace_getter();
-
-  // Returns the current OS stack trace as an std::string.
-  //
-  // The maximum number of stack frames to be included is specified by
-  // the gtest_stack_trace_depth flag.  The skip_count parameter
-  // specifies the number of top frames to be skipped, which doesn't
-  // count against the number of frames to be included.
-  //
-  // For example, if Foo() calls Bar(), which in turn calls
-  // CurrentOsStackTraceExceptTop(1), Foo() will be included in the
-  // trace but Bar() and CurrentOsStackTraceExceptTop() won't.
-  std::string CurrentOsStackTraceExceptTop(int skip_count) GTEST_NO_INLINE_;
-
-  // Finds and returns a TestSuite with the given name.  If one doesn't
-  // exist, creates one and returns it.
-  //
-  // Arguments:
-  //
-  //   test_suite_name: name of the test suite
-  //   type_param:      the name of the test's type parameter, or NULL if
-  //                    this is not a typed or a type-parameterized test.
-  //   set_up_tc:       pointer to the function that sets up the test suite
-  //   tear_down_tc:    pointer to the function that tears down the test suite
-  TestSuite* GetTestSuite(const char* test_suite_name, const char* type_param,
-                          internal::SetUpTestSuiteFunc set_up_tc,
-                          internal::TearDownTestSuiteFunc tear_down_tc);
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  TestCase* GetTestCase(const char* test_case_name, const char* type_param,
-                        internal::SetUpTestSuiteFunc set_up_tc,
-                        internal::TearDownTestSuiteFunc tear_down_tc) {
-    return GetTestSuite(test_case_name, type_param, set_up_tc, tear_down_tc);
-  }
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Adds a TestInfo to the unit test.
-  //
-  // Arguments:
-  //
-  //   set_up_tc:    pointer to the function that sets up the test suite
-  //   tear_down_tc: pointer to the function that tears down the test suite
-  //   test_info:    the TestInfo object
-  void AddTestInfo(internal::SetUpTestSuiteFunc set_up_tc,
-                   internal::TearDownTestSuiteFunc tear_down_tc,
-                   TestInfo* test_info) {
-#if GTEST_HAS_DEATH_TEST
-    // In order to support thread-safe death tests, we need to
-    // remember the original working directory when the test program
-    // was first invoked.  We cannot do this in RUN_ALL_TESTS(), as
-    // the user may have changed the current directory before calling
-    // RUN_ALL_TESTS().  Therefore we capture the current directory in
-    // AddTestInfo(), which is called to register a TEST or TEST_F
-    // before main() is reached.
-    if (original_working_dir_.IsEmpty()) {
-      original_working_dir_.Set(FilePath::GetCurrentDir());
-      GTEST_CHECK_(!original_working_dir_.IsEmpty())
-          << "Failed to get the current working directory.";
-    }
-#endif  // GTEST_HAS_DEATH_TEST
-
-    GetTestSuite(test_info->test_suite_name(), test_info->type_param(),
-                 set_up_tc, tear_down_tc)
-        ->AddTestInfo(test_info);
-  }
-
-  // Returns ParameterizedTestSuiteRegistry object used to keep track of
-  // value-parameterized tests and instantiate and register them.
-  internal::ParameterizedTestSuiteRegistry& parameterized_test_registry() {
-    return parameterized_test_registry_;
-  }
-
-  std::set<std::string>* ignored_parameterized_test_suites() {
-    return &ignored_parameterized_test_suites_;
-  }
-
-  // Returns TypeParameterizedTestSuiteRegistry object used to keep track of
-  // type-parameterized tests and instantiations of them.
-  internal::TypeParameterizedTestSuiteRegistry&
-  type_parameterized_test_registry() {
-    return type_parameterized_test_registry_;
-  }
-
-  // Sets the TestSuite object for the test that's currently running.
-  void set_current_test_suite(TestSuite* a_current_test_suite) {
-    current_test_suite_ = a_current_test_suite;
-  }
-
-  // Sets the TestInfo object for the test that's currently running.  If
-  // current_test_info is NULL, the assertion results will be stored in
-  // ad_hoc_test_result_.
-  void set_current_test_info(TestInfo* a_current_test_info) {
-    current_test_info_ = a_current_test_info;
-  }
-
-  // Registers all parameterized tests defined using TEST_P and
-  // INSTANTIATE_TEST_SUITE_P, creating regular tests for each test/parameter
-  // combination. This method can be called more then once; it has guards
-  // protecting from registering the tests more then once.  If
-  // value-parameterized tests are disabled, RegisterParameterizedTests is
-  // present but does nothing.
-  void RegisterParameterizedTests();
-
-  // Runs all tests in this UnitTest object, prints the result, and
-  // returns true if all tests are successful.  If any exception is
-  // thrown during a test, this test is considered to be failed, but
-  // the rest of the tests will still be run.
-  bool RunAllTests();
-
-  // Clears the results of all tests, except the ad hoc tests.
-  void ClearNonAdHocTestResult() {
-    ForEach(test_suites_, TestSuite::ClearTestSuiteResult);
-  }
-
-  // Clears the results of ad-hoc test assertions.
-  void ClearAdHocTestResult() {
-    ad_hoc_test_result_.Clear();
-  }
-
-  // Adds a TestProperty to the current TestResult object when invoked in a
-  // context of a test or a test suite, or to the global property set. If the
-  // result already contains a property with the same key, the value will be
-  // updated.
-  void RecordProperty(const TestProperty& test_property);
-
-  enum ReactionToSharding {
-    HONOR_SHARDING_PROTOCOL,
-    IGNORE_SHARDING_PROTOCOL
-  };
-
-  // Matches the full name of each test against the user-specified
-  // filter to decide whether the test should run, then records the
-  // result in each TestSuite and TestInfo object.
-  // If shard_tests == HONOR_SHARDING_PROTOCOL, further filters tests
-  // based on sharding variables in the environment.
-  // Returns the number of tests that should run.
-  int FilterTests(ReactionToSharding shard_tests);
-
-  // Prints the names of the tests matching the user-specified filter flag.
-  void ListTestsMatchingFilter();
-
-  const TestSuite* current_test_suite() const { return current_test_suite_; }
-  TestInfo* current_test_info() { return current_test_info_; }
-  const TestInfo* current_test_info() const { return current_test_info_; }
-
-  // Returns the vector of environments that need to be set-up/torn-down
-  // before/after the tests are run.
-  std::vector<Environment*>& environments() { return environments_; }
-
-  // Getters for the per-thread Google Test trace stack.
-  std::vector<TraceInfo>& gtest_trace_stack() {
-    return *(gtest_trace_stack_.pointer());
-  }
-  const std::vector<TraceInfo>& gtest_trace_stack() const {
-    return gtest_trace_stack_.get();
-  }
-
-#if GTEST_HAS_DEATH_TEST
-  void InitDeathTestSubprocessControlInfo() {
-    internal_run_death_test_flag_.reset(ParseInternalRunDeathTestFlag());
-  }
-  // Returns a pointer to the parsed --gtest_internal_run_death_test
-  // flag, or NULL if that flag was not specified.
-  // This information is useful only in a death test child process.
-  // Must not be called before a call to InitGoogleTest.
-  const InternalRunDeathTestFlag* internal_run_death_test_flag() const {
-    return internal_run_death_test_flag_.get();
-  }
-
-  // Returns a pointer to the current death test factory.
-  internal::DeathTestFactory* death_test_factory() {
-    return death_test_factory_.get();
-  }
-
-  void SuppressTestEventsIfInSubprocess();
-
-  friend class ReplaceDeathTestFactory;
-#endif  // GTEST_HAS_DEATH_TEST
-
-  // Initializes the event listener performing XML output as specified by
-  // UnitTestOptions. Must not be called before InitGoogleTest.
-  void ConfigureXmlOutput();
-
-#if GTEST_CAN_STREAM_RESULTS_
-  // Initializes the event listener for streaming test results to a socket.
-  // Must not be called before InitGoogleTest.
-  void ConfigureStreamingOutput();
-#endif
-
-  // Performs initialization dependent upon flag values obtained in
-  // ParseGoogleTestFlagsOnly.  Is called from InitGoogleTest after the call to
-  // ParseGoogleTestFlagsOnly.  In case a user neglects to call InitGoogleTest
-  // this function is also called from RunAllTests.  Since this function can be
-  // called more than once, it has to be idempotent.
-  void PostFlagParsingInit();
-
-  // Gets the random seed used at the start of the current test iteration.
-  int random_seed() const { return random_seed_; }
-
-  // Gets the random number generator.
-  internal::Random* random() { return &random_; }
-
-  // Shuffles all test suites, and the tests within each test suite,
-  // making sure that death tests are still run first.
-  void ShuffleTests();
-
-  // Restores the test suites and tests to their order before the first shuffle.
-  void UnshuffleTests();
-
-  // Returns the value of GTEST_FLAG(catch_exceptions) at the moment
-  // UnitTest::Run() starts.
-  bool catch_exceptions() const { return catch_exceptions_; }
-
- private:
-  friend class ::testing::UnitTest;
-
-  // Used by UnitTest::Run() to capture the state of
-  // GTEST_FLAG(catch_exceptions) at the moment it starts.
-  void set_catch_exceptions(bool value) { catch_exceptions_ = value; }
-
-  // The UnitTest object that owns this implementation object.
-  UnitTest* const parent_;
-
-  // The working directory when the first TEST() or TEST_F() was
-  // executed.
-  internal::FilePath original_working_dir_;
-
-  // The default test part result reporters.
-  DefaultGlobalTestPartResultReporter default_global_test_part_result_reporter_;
-  DefaultPerThreadTestPartResultReporter
-      default_per_thread_test_part_result_reporter_;
-
-  // Points to (but doesn't own) the global test part result reporter.
-  TestPartResultReporterInterface* global_test_part_result_repoter_;
-
-  // Protects read and write access to global_test_part_result_reporter_.
-  internal::Mutex global_test_part_result_reporter_mutex_;
-
-  // Points to (but doesn't own) the per-thread test part result reporter.
-  internal::ThreadLocal<TestPartResultReporterInterface*>
-      per_thread_test_part_result_reporter_;
-
-  // The vector of environments that need to be set-up/torn-down
-  // before/after the tests are run.
-  std::vector<Environment*> environments_;
-
-  // The vector of TestSuites in their original order.  It owns the
-  // elements in the vector.
-  std::vector<TestSuite*> test_suites_;
-
-  // Provides a level of indirection for the test suite list to allow
-  // easy shuffling and restoring the test suite order.  The i-th
-  // element of this vector is the index of the i-th test suite in the
-  // shuffled order.
-  std::vector<int> test_suite_indices_;
-
-  // ParameterizedTestRegistry object used to register value-parameterized
-  // tests.
-  internal::ParameterizedTestSuiteRegistry parameterized_test_registry_;
-  internal::TypeParameterizedTestSuiteRegistry
-      type_parameterized_test_registry_;
-
-  // The set holding the name of parameterized
-  // test suites that may go uninstantiated.
-  std::set<std::string> ignored_parameterized_test_suites_;
-
-  // Indicates whether RegisterParameterizedTests() has been called already.
-  bool parameterized_tests_registered_;
-
-  // Index of the last death test suite registered.  Initially -1.
-  int last_death_test_suite_;
-
-  // This points to the TestSuite for the currently running test.  It
-  // changes as Google Test goes through one test suite after another.
-  // When no test is running, this is set to NULL and Google Test
-  // stores assertion results in ad_hoc_test_result_.  Initially NULL.
-  TestSuite* current_test_suite_;
-
-  // This points to the TestInfo for the currently running test.  It
-  // changes as Google Test goes through one test after another.  When
-  // no test is running, this is set to NULL and Google Test stores
-  // assertion results in ad_hoc_test_result_.  Initially NULL.
-  TestInfo* current_test_info_;
-
-  // Normally, a user only writes assertions inside a TEST or TEST_F,
-  // or inside a function called by a TEST or TEST_F.  Since Google
-  // Test keeps track of which test is current running, it can
-  // associate such an assertion with the test it belongs to.
-  //
-  // If an assertion is encountered when no TEST or TEST_F is running,
-  // Google Test attributes the assertion result to an imaginary "ad hoc"
-  // test, and records the result in ad_hoc_test_result_.
-  TestResult ad_hoc_test_result_;
-
-  // The list of event listeners that can be used to track events inside
-  // Google Test.
-  TestEventListeners listeners_;
-
-  // The OS stack trace getter.  Will be deleted when the UnitTest
-  // object is destructed.  By default, an OsStackTraceGetter is used,
-  // but the user can set this field to use a custom getter if that is
-  // desired.
-  OsStackTraceGetterInterface* os_stack_trace_getter_;
-
-  // True if and only if PostFlagParsingInit() has been called.
-  bool post_flag_parse_init_performed_;
-
-  // The random number seed used at the beginning of the test run.
-  int random_seed_;
-
-  // Our random number generator.
-  internal::Random random_;
-
-  // The time of the test program start, in ms from the start of the
-  // UNIX epoch.
-  TimeInMillis start_timestamp_;
-
-  // How long the test took to run, in milliseconds.
-  TimeInMillis elapsed_time_;
-
-#if GTEST_HAS_DEATH_TEST
-  // The decomposed components of the gtest_internal_run_death_test flag,
-  // parsed when RUN_ALL_TESTS is called.
-  std::unique_ptr<InternalRunDeathTestFlag> internal_run_death_test_flag_;
-  std::unique_ptr<internal::DeathTestFactory> death_test_factory_;
-#endif  // GTEST_HAS_DEATH_TEST
-
-  // A per-thread stack of traces created by the SCOPED_TRACE() macro.
-  internal::ThreadLocal<std::vector<TraceInfo> > gtest_trace_stack_;
-
-  // The value of GTEST_FLAG(catch_exceptions) at the moment RunAllTests()
-  // starts.
-  bool catch_exceptions_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(UnitTestImpl);
-};  // class UnitTestImpl
-
-// Convenience function for accessing the global UnitTest
-// implementation object.
-inline UnitTestImpl* GetUnitTestImpl() {
-  return UnitTest::GetInstance()->impl();
-}
-
-#if GTEST_USES_SIMPLE_RE
-
-// Internal helper functions for implementing the simple regular
-// expression matcher.
-GTEST_API_ bool IsInSet(char ch, const char* str);
-GTEST_API_ bool IsAsciiDigit(char ch);
-GTEST_API_ bool IsAsciiPunct(char ch);
-GTEST_API_ bool IsRepeat(char ch);
-GTEST_API_ bool IsAsciiWhiteSpace(char ch);
-GTEST_API_ bool IsAsciiWordChar(char ch);
-GTEST_API_ bool IsValidEscape(char ch);
-GTEST_API_ bool AtomMatchesChar(bool escaped, char pattern, char ch);
-GTEST_API_ bool ValidateRegex(const char* regex);
-GTEST_API_ bool MatchRegexAtHead(const char* regex, const char* str);
-GTEST_API_ bool MatchRepetitionAndRegexAtHead(
-    bool escaped, char ch, char repeat, const char* regex, const char* str);
-GTEST_API_ bool MatchRegexAnywhere(const char* regex, const char* str);
-
-#endif  // GTEST_USES_SIMPLE_RE
-
-// Parses the command line for Google Test flags, without initializing
-// other parts of Google Test.
-GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, char** argv);
-GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv);
-
-#if GTEST_HAS_DEATH_TEST
-
-// Returns the message describing the last system error, regardless of the
-// platform.
-GTEST_API_ std::string GetLastErrnoDescription();
-
-// Attempts to parse a string into a positive integer pointed to by the
-// number parameter.  Returns true if that is possible.
-// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can use
-// it here.
-template <typename Integer>
-bool ParseNaturalNumber(const ::std::string& str, Integer* number) {
-  // Fail fast if the given string does not begin with a digit;
-  // this bypasses strtoXXX's "optional leading whitespace and plus
-  // or minus sign" semantics, which are undesirable here.
-  if (str.empty() || !IsDigit(str[0])) {
-    return false;
-  }
-  errno = 0;
-
-  char* end;
-  // BiggestConvertible is the largest integer type that system-provided
-  // string-to-number conversion routines can return.
-  using BiggestConvertible = unsigned long long;  // NOLINT
-
-  const BiggestConvertible parsed = strtoull(str.c_str(), &end, 10);  // NOLINT
-  const bool parse_success = *end == '\0' && errno == 0;
-
-  GTEST_CHECK_(sizeof(Integer) <= sizeof(parsed));
-
-  const Integer result = static_cast<Integer>(parsed);
-  if (parse_success && static_cast<BiggestConvertible>(result) == parsed) {
-    *number = result;
-    return true;
-  }
-  return false;
-}
-#endif  // GTEST_HAS_DEATH_TEST
-
-// TestResult contains some private methods that should be hidden from
-// Google Test user but are required for testing. This class allow our tests
-// to access them.
-//
-// This class is supplied only for the purpose of testing Google Test's own
-// constructs. Do not use it in user tests, either directly or indirectly.
-class TestResultAccessor {
- public:
-  static void RecordProperty(TestResult* test_result,
-                             const std::string& xml_element,
-                             const TestProperty& property) {
-    test_result->RecordProperty(xml_element, property);
-  }
-
-  static void ClearTestPartResults(TestResult* test_result) {
-    test_result->ClearTestPartResults();
-  }
-
-  static const std::vector<testing::TestPartResult>& test_part_results(
-      const TestResult& test_result) {
-    return test_result.test_part_results();
-  }
-};
-
-#if GTEST_CAN_STREAM_RESULTS_
-
-// Streams test results to the given port on the given host machine.
-class StreamingListener : public EmptyTestEventListener {
- public:
-  // Abstract base class for writing strings to a socket.
-  class AbstractSocketWriter {
-   public:
-    virtual ~AbstractSocketWriter() {}
-
-    // Sends a string to the socket.
-    virtual void Send(const std::string& message) = 0;
-
-    // Closes the socket.
-    virtual void CloseConnection() {}
-
-    // Sends a string and a newline to the socket.
-    void SendLn(const std::string& message) { Send(message + "\n"); }
-  };
-
-  // Concrete class for actually writing strings to a socket.
-  class SocketWriter : public AbstractSocketWriter {
-   public:
-    SocketWriter(const std::string& host, const std::string& port)
-        : sockfd_(-1), host_name_(host), port_num_(port) {
-      MakeConnection();
-    }
-
-    ~SocketWriter() override {
-      if (sockfd_ != -1)
-        CloseConnection();
-    }
-
-    // Sends a string to the socket.
-    void Send(const std::string& message) override {
-      GTEST_CHECK_(sockfd_ != -1)
-          << "Send() can be called only when there is a connection.";
-
-      const auto len = static_cast<size_t>(message.length());
-      if (write(sockfd_, message.c_str(), len) != static_cast<ssize_t>(len)) {
-        GTEST_LOG_(WARNING)
-            << "stream_result_to: failed to stream to "
-            << host_name_ << ":" << port_num_;
-      }
-    }
-
-   private:
-    // Creates a client socket and connects to the server.
-    void MakeConnection();
-
-    // Closes the socket.
-    void CloseConnection() override {
-      GTEST_CHECK_(sockfd_ != -1)
-          << "CloseConnection() can be called only when there is a connection.";
-
-      close(sockfd_);
-      sockfd_ = -1;
-    }
-
-    int sockfd_;  // socket file descriptor
-    const std::string host_name_;
-    const std::string port_num_;
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(SocketWriter);
-  };  // class SocketWriter
-
-  // Escapes '=', '&', '%', and '\n' characters in str as "%xx".
-  static std::string UrlEncode(const char* str);
-
-  StreamingListener(const std::string& host, const std::string& port)
-      : socket_writer_(new SocketWriter(host, port)) {
-    Start();
-  }
-
-  explicit StreamingListener(AbstractSocketWriter* socket_writer)
-      : socket_writer_(socket_writer) { Start(); }
-
-  void OnTestProgramStart(const UnitTest& /* unit_test */) override {
-    SendLn("event=TestProgramStart");
-  }
-
-  void OnTestProgramEnd(const UnitTest& unit_test) override {
-    // Note that Google Test current only report elapsed time for each
-    // test iteration, not for the entire test program.
-    SendLn("event=TestProgramEnd&passed=" + FormatBool(unit_test.Passed()));
-
-    // Notify the streaming server to stop.
-    socket_writer_->CloseConnection();
-  }
-
-  void OnTestIterationStart(const UnitTest& /* unit_test */,
-                            int iteration) override {
-    SendLn("event=TestIterationStart&iteration=" +
-           StreamableToString(iteration));
-  }
-
-  void OnTestIterationEnd(const UnitTest& unit_test,
-                          int /* iteration */) override {
-    SendLn("event=TestIterationEnd&passed=" +
-           FormatBool(unit_test.Passed()) + "&elapsed_time=" +
-           StreamableToString(unit_test.elapsed_time()) + "ms");
-  }
-
-  // Note that "event=TestCaseStart" is a wire format and has to remain
-  // "case" for compatibility
-  void OnTestCaseStart(const TestCase& test_case) override {
-    SendLn(std::string("event=TestCaseStart&name=") + test_case.name());
-  }
-
-  // Note that "event=TestCaseEnd" is a wire format and has to remain
-  // "case" for compatibility
-  void OnTestCaseEnd(const TestCase& test_case) override {
-    SendLn("event=TestCaseEnd&passed=" + FormatBool(test_case.Passed()) +
-           "&elapsed_time=" + StreamableToString(test_case.elapsed_time()) +
-           "ms");
-  }
-
-  void OnTestStart(const TestInfo& test_info) override {
-    SendLn(std::string("event=TestStart&name=") + test_info.name());
-  }
-
-  void OnTestEnd(const TestInfo& test_info) override {
-    SendLn("event=TestEnd&passed=" +
-           FormatBool((test_info.result())->Passed()) +
-           "&elapsed_time=" +
-           StreamableToString((test_info.result())->elapsed_time()) + "ms");
-  }
-
-  void OnTestPartResult(const TestPartResult& test_part_result) override {
-    const char* file_name = test_part_result.file_name();
-    if (file_name == nullptr) file_name = "";
-    SendLn("event=TestPartResult&file=" + UrlEncode(file_name) +
-           "&line=" + StreamableToString(test_part_result.line_number()) +
-           "&message=" + UrlEncode(test_part_result.message()));
-  }
-
- private:
-  // Sends the given message and a newline to the socket.
-  void SendLn(const std::string& message) { socket_writer_->SendLn(message); }
-
-  // Called at the start of streaming to notify the receiver what
-  // protocol we are using.
-  void Start() { SendLn("gtest_streaming_protocol_version=1.0"); }
-
-  std::string FormatBool(bool value) { return value ? "1" : "0"; }
-
-  const std::unique_ptr<AbstractSocketWriter> socket_writer_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamingListener);
-};  // class StreamingListener
-
-#endif  // GTEST_CAN_STREAM_RESULTS_
-
-}  // namespace internal
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLETEST_SRC_GTEST_INTERNAL_INL_H_
-
-#if GTEST_OS_WINDOWS
-# define vsnprintf _vsnprintf
-#endif  // GTEST_OS_WINDOWS
-
-#if GTEST_OS_MAC
-#ifndef GTEST_OS_IOS
-#include <crt_externs.h>
-#endif
-#endif
-
-#if GTEST_HAS_ABSL
-#include "absl/debugging/failure_signal_handler.h"
-#include "absl/debugging/stacktrace.h"
-#include "absl/debugging/symbolize.h"
-#include "absl/strings/str_cat.h"
-#endif  // GTEST_HAS_ABSL
-
-namespace testing {
-
-using internal::CountIf;
-using internal::ForEach;
-using internal::GetElementOr;
-using internal::Shuffle;
-
-// Constants.
-
-// A test whose test suite name or test name matches this filter is
-// disabled and not run.
-static const char kDisableTestFilter[] = "DISABLED_*:*/DISABLED_*";
-
-// A test suite whose name matches this filter is considered a death
-// test suite and will be run before test suites whose name doesn't
-// match this filter.
-static const char kDeathTestSuiteFilter[] = "*DeathTest:*DeathTest/*";
-
-// A test filter that matches everything.
-static const char kUniversalFilter[] = "*";
-
-// The default output format.
-static const char kDefaultOutputFormat[] = "xml";
-// The default output file.
-static const char kDefaultOutputFile[] = "test_detail";
-
-// The environment variable name for the test shard index.
-static const char kTestShardIndex[] = "GTEST_SHARD_INDEX";
-// The environment variable name for the total number of test shards.
-static const char kTestTotalShards[] = "GTEST_TOTAL_SHARDS";
-// The environment variable name for the test shard status file.
-static const char kTestShardStatusFile[] = "GTEST_SHARD_STATUS_FILE";
-
-namespace internal {
-
-// The text used in failure messages to indicate the start of the
-// stack trace.
-const char kStackTraceMarker[] = "\nStack trace:\n";
-
-// g_help_flag is true if and only if the --help flag or an equivalent form
-// is specified on the command line.
-bool g_help_flag = false;
-
-// Utilty function to Open File for Writing
-static FILE* OpenFileForWriting(const std::string& output_file) {
-  FILE* fileout = nullptr;
-  FilePath output_file_path(output_file);
-  FilePath output_dir(output_file_path.RemoveFileName());
-
-  if (output_dir.CreateDirectoriesRecursively()) {
-    fileout = posix::FOpen(output_file.c_str(), "w");
-  }
-  if (fileout == nullptr) {
-    GTEST_LOG_(FATAL) << "Unable to open file \"" << output_file << "\"";
-  }
-  return fileout;
-}
-
-}  // namespace internal
-
-// Bazel passes in the argument to '--test_filter' via the TESTBRIDGE_TEST_ONLY
-// environment variable.
-static const char* GetDefaultFilter() {
-  const char* const testbridge_test_only =
-      internal::posix::GetEnv("TESTBRIDGE_TEST_ONLY");
-  if (testbridge_test_only != nullptr) {
-    return testbridge_test_only;
-  }
-  return kUniversalFilter;
-}
-
-// Bazel passes in the argument to '--test_runner_fail_fast' via the
-// TESTBRIDGE_TEST_RUNNER_FAIL_FAST environment variable.
-static bool GetDefaultFailFast() {
-  const char* const testbridge_test_runner_fail_fast =
-      internal::posix::GetEnv("TESTBRIDGE_TEST_RUNNER_FAIL_FAST");
-  if (testbridge_test_runner_fail_fast != nullptr) {
-    return strcmp(testbridge_test_runner_fail_fast, "1") == 0;
-  }
-  return false;
-}
-
-GTEST_DEFINE_bool_(
-    fail_fast, internal::BoolFromGTestEnv("fail_fast", GetDefaultFailFast()),
-    "True if and only if a test failure should stop further test execution.");
-
-GTEST_DEFINE_bool_(
-    also_run_disabled_tests,
-    internal::BoolFromGTestEnv("also_run_disabled_tests", false),
-    "Run disabled tests too, in addition to the tests normally being run.");
-
-GTEST_DEFINE_bool_(
-    break_on_failure, internal::BoolFromGTestEnv("break_on_failure", false),
-    "True if and only if a failed assertion should be a debugger "
-    "break-point.");
-
-GTEST_DEFINE_bool_(catch_exceptions,
-                   internal::BoolFromGTestEnv("catch_exceptions", true),
-                   "True if and only if " GTEST_NAME_
-                   " should catch exceptions and treat them as test failures.");
-
-GTEST_DEFINE_string_(
-    color,
-    internal::StringFromGTestEnv("color", "auto"),
-    "Whether to use colors in the output.  Valid values: yes, no, "
-    "and auto.  'auto' means to use colors if the output is "
-    "being sent to a terminal and the TERM environment variable "
-    "is set to a terminal type that supports colors.");
-
-GTEST_DEFINE_string_(
-    filter,
-    internal::StringFromGTestEnv("filter", GetDefaultFilter()),
-    "A colon-separated list of glob (not regex) patterns "
-    "for filtering the tests to run, optionally followed by a "
-    "'-' and a : separated list of negative patterns (tests to "
-    "exclude).  A test is run if it matches one of the positive "
-    "patterns and does not match any of the negative patterns.");
-
-GTEST_DEFINE_bool_(
-    install_failure_signal_handler,
-    internal::BoolFromGTestEnv("install_failure_signal_handler", false),
-    "If true and supported on the current platform, " GTEST_NAME_ " should "
-    "install a signal handler that dumps debugging information when fatal "
-    "signals are raised.");
-
-GTEST_DEFINE_bool_(list_tests, false,
-                   "List all tests without running them.");
-
-// The net priority order after flag processing is thus:
-//   --gtest_output command line flag
-//   GTEST_OUTPUT environment variable
-//   XML_OUTPUT_FILE environment variable
-//   ''
-GTEST_DEFINE_string_(
-    output,
-    internal::StringFromGTestEnv("output",
-      internal::OutputFlagAlsoCheckEnvVar().c_str()),
-    "A format (defaults to \"xml\" but can be specified to be \"json\"), "
-    "optionally followed by a colon and an output file name or directory. "
-    "A directory is indicated by a trailing pathname separator. "
-    "Examples: \"xml:filename.xml\", \"xml::directoryname/\". "
-    "If a directory is specified, output files will be created "
-    "within that directory, with file-names based on the test "
-    "executable's name and, if necessary, made unique by adding "
-    "digits.");
-
-GTEST_DEFINE_bool_(
-    brief, internal::BoolFromGTestEnv("brief", false),
-    "True if only test failures should be displayed in text output.");
-
-GTEST_DEFINE_bool_(print_time, internal::BoolFromGTestEnv("print_time", true),
-                   "True if and only if " GTEST_NAME_
-                   " should display elapsed time in text output.");
-
-GTEST_DEFINE_bool_(print_utf8, internal::BoolFromGTestEnv("print_utf8", true),
-                   "True if and only if " GTEST_NAME_
-                   " prints UTF8 characters as text.");
-
-GTEST_DEFINE_int32_(
-    random_seed,
-    internal::Int32FromGTestEnv("random_seed", 0),
-    "Random number seed to use when shuffling test orders.  Must be in range "
-    "[1, 99999], or 0 to use a seed based on the current time.");
-
-GTEST_DEFINE_int32_(
-    repeat,
-    internal::Int32FromGTestEnv("repeat", 1),
-    "How many times to repeat each test.  Specify a negative number "
-    "for repeating forever.  Useful for shaking out flaky tests.");
-
-GTEST_DEFINE_bool_(show_internal_stack_frames, false,
-                   "True if and only if " GTEST_NAME_
-                   " should include internal stack frames when "
-                   "printing test failure stack traces.");
-
-GTEST_DEFINE_bool_(shuffle, internal::BoolFromGTestEnv("shuffle", false),
-                   "True if and only if " GTEST_NAME_
-                   " should randomize tests' order on every run.");
-
-GTEST_DEFINE_int32_(
-    stack_trace_depth,
-    internal::Int32FromGTestEnv("stack_trace_depth", kMaxStackTraceDepth),
-    "The maximum number of stack frames to print when an "
-    "assertion fails.  The valid range is 0 through 100, inclusive.");
-
-GTEST_DEFINE_string_(
-    stream_result_to,
-    internal::StringFromGTestEnv("stream_result_to", ""),
-    "This flag specifies the host name and the port number on which to stream "
-    "test results. Example: \"localhost:555\". The flag is effective only on "
-    "Linux.");
-
-GTEST_DEFINE_bool_(
-    throw_on_failure,
-    internal::BoolFromGTestEnv("throw_on_failure", false),
-    "When this flag is specified, a failed assertion will throw an exception "
-    "if exceptions are enabled or exit the program with a non-zero code "
-    "otherwise. For use with an external test framework.");
-
-#if GTEST_USE_OWN_FLAGFILE_FLAG_
-GTEST_DEFINE_string_(
-    flagfile,
-    internal::StringFromGTestEnv("flagfile", ""),
-    "This flag specifies the flagfile to read command-line flags from.");
-#endif  // GTEST_USE_OWN_FLAGFILE_FLAG_
-
-namespace internal {
-
-// Generates a random number from [0, range), using a Linear
-// Congruential Generator (LCG).  Crashes if 'range' is 0 or greater
-// than kMaxRange.
-uint32_t Random::Generate(uint32_t range) {
-  // These constants are the same as are used in glibc's rand(3).
-  // Use wider types than necessary to prevent unsigned overflow diagnostics.
-  state_ = static_cast<uint32_t>(1103515245ULL*state_ + 12345U) % kMaxRange;
-
-  GTEST_CHECK_(range > 0)
-      << "Cannot generate a number in the range [0, 0).";
-  GTEST_CHECK_(range <= kMaxRange)
-      << "Generation of a number in [0, " << range << ") was requested, "
-      << "but this can only generate numbers in [0, " << kMaxRange << ").";
-
-  // Converting via modulus introduces a bit of downward bias, but
-  // it's simple, and a linear congruential generator isn't too good
-  // to begin with.
-  return state_ % range;
-}
-
-// GTestIsInitialized() returns true if and only if the user has initialized
-// Google Test.  Useful for catching the user mistake of not initializing
-// Google Test before calling RUN_ALL_TESTS().
-static bool GTestIsInitialized() { return GetArgvs().size() > 0; }
-
-// Iterates over a vector of TestSuites, keeping a running sum of the
-// results of calling a given int-returning method on each.
-// Returns the sum.
-static int SumOverTestSuiteList(const std::vector<TestSuite*>& case_list,
-                                int (TestSuite::*method)() const) {
-  int sum = 0;
-  for (size_t i = 0; i < case_list.size(); i++) {
-    sum += (case_list[i]->*method)();
-  }
-  return sum;
-}
-
-// Returns true if and only if the test suite passed.
-static bool TestSuitePassed(const TestSuite* test_suite) {
-  return test_suite->should_run() && test_suite->Passed();
-}
-
-// Returns true if and only if the test suite failed.
-static bool TestSuiteFailed(const TestSuite* test_suite) {
-  return test_suite->should_run() && test_suite->Failed();
-}
-
-// Returns true if and only if test_suite contains at least one test that
-// should run.
-static bool ShouldRunTestSuite(const TestSuite* test_suite) {
-  return test_suite->should_run();
-}
-
-// AssertHelper constructor.
-AssertHelper::AssertHelper(TestPartResult::Type type,
-                           const char* file,
-                           int line,
-                           const char* message)
-    : data_(new AssertHelperData(type, file, line, message)) {
-}
-
-AssertHelper::~AssertHelper() {
-  delete data_;
-}
-
-// Message assignment, for assertion streaming support.
-void AssertHelper::operator=(const Message& message) const {
-  UnitTest::GetInstance()->
-    AddTestPartResult(data_->type, data_->file, data_->line,
-                      AppendUserMessage(data_->message, message),
-                      UnitTest::GetInstance()->impl()
-                      ->CurrentOsStackTraceExceptTop(1)
-                      // Skips the stack frame for this function itself.
-                      );  // NOLINT
-}
-
-namespace {
-
-// When TEST_P is found without a matching INSTANTIATE_TEST_SUITE_P
-// to creates test cases for it, a syntetic test case is
-// inserted to report ether an error or a log message.
-//
-// This configuration bit will likely be removed at some point.
-constexpr bool kErrorOnUninstantiatedParameterizedTest = true;
-constexpr bool kErrorOnUninstantiatedTypeParameterizedTest = true;
-
-// A test that fails at a given file/line location with a given message.
-class FailureTest : public Test {
- public:
-  explicit FailureTest(const CodeLocation& loc, std::string error_message,
-                       bool as_error)
-      : loc_(loc),
-        error_message_(std::move(error_message)),
-        as_error_(as_error) {}
-
-  void TestBody() override {
-    if (as_error_) {
-      AssertHelper(TestPartResult::kNonFatalFailure, loc_.file.c_str(),
-                   loc_.line, "") = Message() << error_message_;
-    } else {
-      std::cout << error_message_ << std::endl;
-    }
-  }
-
- private:
-  const CodeLocation loc_;
-  const std::string error_message_;
-  const bool as_error_;
-};
-
-
-}  // namespace
-
-std::set<std::string>* GetIgnoredParameterizedTestSuites() {
-  return UnitTest::GetInstance()->impl()->ignored_parameterized_test_suites();
-}
-
-// Add a given test_suit to the list of them allow to go un-instantiated.
-MarkAsIgnored::MarkAsIgnored(const char* test_suite) {
-  GetIgnoredParameterizedTestSuites()->insert(test_suite);
-}
-
-// If this parameterized test suite has no instantiations (and that
-// has not been marked as okay), emit a test case reporting that.
-void InsertSyntheticTestCase(const std::string& name, CodeLocation location,
-                             bool has_test_p) {
-  const auto& ignored = *GetIgnoredParameterizedTestSuites();
-  if (ignored.find(name) != ignored.end()) return;
-
-  const char kMissingInstantiation[] =  //
-      " is defined via TEST_P, but never instantiated. None of the test cases "
-      "will run. Either no INSTANTIATE_TEST_SUITE_P is provided or the only "
-      "ones provided expand to nothing."
-      "\n\n"
-      "Ideally, TEST_P definitions should only ever be included as part of "
-      "binaries that intend to use them. (As opposed to, for example, being "
-      "placed in a library that may be linked in to get other utilities.)";
-
-  const char kMissingTestCase[] =  //
-      " is instantiated via INSTANTIATE_TEST_SUITE_P, but no tests are "
-      "defined via TEST_P . No test cases will run."
-      "\n\n"
-      "Ideally, INSTANTIATE_TEST_SUITE_P should only ever be invoked from "
-      "code that always depend on code that provides TEST_P. Failing to do "
-      "so is often an indication of dead code, e.g. the last TEST_P was "
-      "removed but the rest got left behind.";
-
-  std::string message =
-      "Parameterized test suite " + name +
-      (has_test_p ? kMissingInstantiation : kMissingTestCase) +
-      "\n\n"
-      "To suppress this error for this test suite, insert the following line "
-      "(in a non-header) in the namespace it is defined in:"
-      "\n\n"
-      "GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(" + name + ");";
-
-  std::string full_name = "UninstantiatedParameterizedTestSuite<" + name + ">";
-  RegisterTest(  //
-      "GoogleTestVerification", full_name.c_str(),
-      nullptr,  // No type parameter.
-      nullptr,  // No value parameter.
-      location.file.c_str(), location.line, [message, location] {
-        return new FailureTest(location, message,
-                               kErrorOnUninstantiatedParameterizedTest);
-      });
-}
-
-void RegisterTypeParameterizedTestSuite(const char* test_suite_name,
-                                        CodeLocation code_location) {
-  GetUnitTestImpl()->type_parameterized_test_registry().RegisterTestSuite(
-      test_suite_name, code_location);
-}
-
-void RegisterTypeParameterizedTestSuiteInstantiation(const char* case_name) {
-  GetUnitTestImpl()
-      ->type_parameterized_test_registry()
-      .RegisterInstantiation(case_name);
-}
-
-void TypeParameterizedTestSuiteRegistry::RegisterTestSuite(
-    const char* test_suite_name, CodeLocation code_location) {
-  suites_.emplace(std::string(test_suite_name),
-                 TypeParameterizedTestSuiteInfo(code_location));
-}
-
-void TypeParameterizedTestSuiteRegistry::RegisterInstantiation(
-        const char* test_suite_name) {
-  auto it = suites_.find(std::string(test_suite_name));
-  if (it != suites_.end()) {
-    it->second.instantiated = true;
-  } else {
-    GTEST_LOG_(ERROR) << "Unknown type parameterized test suit '"
-                      << test_suite_name << "'";
-  }
-}
-
-void TypeParameterizedTestSuiteRegistry::CheckForInstantiations() {
-  const auto& ignored = *GetIgnoredParameterizedTestSuites();
-  for (const auto& testcase : suites_) {
-    if (testcase.second.instantiated) continue;
-    if (ignored.find(testcase.first) != ignored.end()) continue;
-
-    std::string message =
-        "Type parameterized test suite " + testcase.first +
-        " is defined via REGISTER_TYPED_TEST_SUITE_P, but never instantiated "
-        "via INSTANTIATE_TYPED_TEST_SUITE_P. None of the test cases will run."
-        "\n\n"
-        "Ideally, TYPED_TEST_P definitions should only ever be included as "
-        "part of binaries that intend to use them. (As opposed to, for "
-        "example, being placed in a library that may be linked in to get other "
-        "utilities.)"
-        "\n\n"
-        "To suppress this error for this test suite, insert the following line "
-        "(in a non-header) in the namespace it is defined in:"
-        "\n\n"
-        "GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(" +
-        testcase.first + ");";
-
-    std::string full_name =
-        "UninstantiatedTypeParameterizedTestSuite<" + testcase.first + ">";
-    RegisterTest(  //
-        "GoogleTestVerification", full_name.c_str(),
-        nullptr,  // No type parameter.
-        nullptr,  // No value parameter.
-        testcase.second.code_location.file.c_str(),
-        testcase.second.code_location.line, [message, testcase] {
-          return new FailureTest(testcase.second.code_location, message,
-                                 kErrorOnUninstantiatedTypeParameterizedTest);
-        });
-  }
-}
-
-// A copy of all command line arguments.  Set by InitGoogleTest().
-static ::std::vector<std::string> g_argvs;
-
-::std::vector<std::string> GetArgvs() {
-#if defined(GTEST_CUSTOM_GET_ARGVS_)
-  // GTEST_CUSTOM_GET_ARGVS_() may return a container of std::string or
-  // ::string. This code converts it to the appropriate type.
-  const auto& custom = GTEST_CUSTOM_GET_ARGVS_();
-  return ::std::vector<std::string>(custom.begin(), custom.end());
-#else   // defined(GTEST_CUSTOM_GET_ARGVS_)
-  return g_argvs;
-#endif  // defined(GTEST_CUSTOM_GET_ARGVS_)
-}
-
-// Returns the current application's name, removing directory path if that
-// is present.
-FilePath GetCurrentExecutableName() {
-  FilePath result;
-
-#if GTEST_OS_WINDOWS || GTEST_OS_OS2
-  result.Set(FilePath(GetArgvs()[0]).RemoveExtension("exe"));
-#else
-  result.Set(FilePath(GetArgvs()[0]));
-#endif  // GTEST_OS_WINDOWS
-
-  return result.RemoveDirectoryName();
-}
-
-// Functions for processing the gtest_output flag.
-
-// Returns the output format, or "" for normal printed output.
-std::string UnitTestOptions::GetOutputFormat() {
-  const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
-  const char* const colon = strchr(gtest_output_flag, ':');
-  return (colon == nullptr)
-             ? std::string(gtest_output_flag)
-             : std::string(gtest_output_flag,
-                           static_cast<size_t>(colon - gtest_output_flag));
-}
-
-// Returns the name of the requested output file, or the default if none
-// was explicitly specified.
-std::string UnitTestOptions::GetAbsolutePathToOutputFile() {
-  const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
-
-  std::string format = GetOutputFormat();
-  if (format.empty())
-    format = std::string(kDefaultOutputFormat);
-
-  const char* const colon = strchr(gtest_output_flag, ':');
-  if (colon == nullptr)
-    return internal::FilePath::MakeFileName(
-        internal::FilePath(
-            UnitTest::GetInstance()->original_working_dir()),
-        internal::FilePath(kDefaultOutputFile), 0,
-        format.c_str()).string();
-
-  internal::FilePath output_name(colon + 1);
-  if (!output_name.IsAbsolutePath())
-    output_name = internal::FilePath::ConcatPaths(
-        internal::FilePath(UnitTest::GetInstance()->original_working_dir()),
-        internal::FilePath(colon + 1));
-
-  if (!output_name.IsDirectory())
-    return output_name.string();
-
-  internal::FilePath result(internal::FilePath::GenerateUniqueFileName(
-      output_name, internal::GetCurrentExecutableName(),
-      GetOutputFormat().c_str()));
-  return result.string();
-}
-
-// Returns true if and only if the wildcard pattern matches the string. Each
-// pattern consists of regular characters, single-character wildcards (?), and
-// multi-character wildcards (*).
-//
-// This function implements a linear-time string globbing algorithm based on
-// https://research.swtch.com/glob.
-static bool PatternMatchesString(const std::string& name_str,
-                                 const char* pattern, const char* pattern_end) {
-  const char* name = name_str.c_str();
-  const char* const name_begin = name;
-  const char* const name_end = name + name_str.size();
-
-  const char* pattern_next = pattern;
-  const char* name_next = name;
-
-  while (pattern < pattern_end || name < name_end) {
-    if (pattern < pattern_end) {
-      switch (*pattern) {
-        default:  // Match an ordinary character.
-          if (name < name_end && *name == *pattern) {
-            ++pattern;
-            ++name;
-            continue;
-          }
-          break;
-        case '?':  // Match any single character.
-          if (name < name_end) {
-            ++pattern;
-            ++name;
-            continue;
-          }
-          break;
-        case '*':
-          // Match zero or more characters. Start by skipping over the wildcard
-          // and matching zero characters from name. If that fails, restart and
-          // match one more character than the last attempt.
-          pattern_next = pattern;
-          name_next = name + 1;
-          ++pattern;
-          continue;
-      }
-    }
-    // Failed to match a character. Restart if possible.
-    if (name_begin < name_next && name_next <= name_end) {
-      pattern = pattern_next;
-      name = name_next;
-      continue;
-    }
-    return false;
-  }
-  return true;
-}
-
-bool UnitTestOptions::MatchesFilter(const std::string& name_str,
-                                    const char* filter) {
-  // The filter is a list of patterns separated by colons (:).
-  const char* pattern = filter;
-  while (true) {
-    // Find the bounds of this pattern.
-    const char* const next_sep = strchr(pattern, ':');
-    const char* const pattern_end =
-        next_sep != nullptr ? next_sep : pattern + strlen(pattern);
-
-    // Check if this pattern matches name_str.
-    if (PatternMatchesString(name_str, pattern, pattern_end)) {
-      break;
-    }
-
-    // Give up on this pattern. However, if we found a pattern separator (:),
-    // advance to the next pattern (skipping over the separator) and restart.
-    if (next_sep == nullptr) {
-      return false;
-    }
-    pattern = next_sep + 1;
-  }
-  return true;
-}
-
-// Returns true if and only if the user-specified filter matches the test
-// suite name and the test name.
-bool UnitTestOptions::FilterMatchesTest(const std::string& test_suite_name,
-                                        const std::string& test_name) {
-  const std::string& full_name = test_suite_name + "." + test_name.c_str();
-
-  // Split --gtest_filter at '-', if there is one, to separate into
-  // positive filter and negative filter portions
-  const char* const p = GTEST_FLAG(filter).c_str();
-  const char* const dash = strchr(p, '-');
-  std::string positive;
-  std::string negative;
-  if (dash == nullptr) {
-    positive = GTEST_FLAG(filter).c_str();  // Whole string is a positive filter
-    negative = "";
-  } else {
-    positive = std::string(p, dash);   // Everything up to the dash
-    negative = std::string(dash + 1);  // Everything after the dash
-    if (positive.empty()) {
-      // Treat '-test1' as the same as '*-test1'
-      positive = kUniversalFilter;
-    }
-  }
-
-  // A filter is a colon-separated list of patterns.  It matches a
-  // test if any pattern in it matches the test.
-  return (MatchesFilter(full_name, positive.c_str()) &&
-          !MatchesFilter(full_name, negative.c_str()));
-}
-
-#if GTEST_HAS_SEH
-// Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
-// given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
-// This function is useful as an __except condition.
-int UnitTestOptions::GTestShouldProcessSEH(DWORD exception_code) {
-  // Google Test should handle a SEH exception if:
-  //   1. the user wants it to, AND
-  //   2. this is not a breakpoint exception, AND
-  //   3. this is not a C++ exception (VC++ implements them via SEH,
-  //      apparently).
-  //
-  // SEH exception code for C++ exceptions.
-  // (see http://support.microsoft.com/kb/185294 for more information).
-  const DWORD kCxxExceptionCode = 0xe06d7363;
-
-  bool should_handle = true;
-
-  if (!GTEST_FLAG(catch_exceptions))
-    should_handle = false;
-  else if (exception_code == EXCEPTION_BREAKPOINT)
-    should_handle = false;
-  else if (exception_code == kCxxExceptionCode)
-    should_handle = false;
-
-  return should_handle ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
-}
-#endif  // GTEST_HAS_SEH
-
-}  // namespace internal
-
-// The c'tor sets this object as the test part result reporter used by
-// Google Test.  The 'result' parameter specifies where to report the
-// results. Intercepts only failures from the current thread.
-ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
-    TestPartResultArray* result)
-    : intercept_mode_(INTERCEPT_ONLY_CURRENT_THREAD),
-      result_(result) {
-  Init();
-}
-
-// The c'tor sets this object as the test part result reporter used by
-// Google Test.  The 'result' parameter specifies where to report the
-// results.
-ScopedFakeTestPartResultReporter::ScopedFakeTestPartResultReporter(
-    InterceptMode intercept_mode, TestPartResultArray* result)
-    : intercept_mode_(intercept_mode),
-      result_(result) {
-  Init();
-}
-
-void ScopedFakeTestPartResultReporter::Init() {
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
-    old_reporter_ = impl->GetGlobalTestPartResultReporter();
-    impl->SetGlobalTestPartResultReporter(this);
-  } else {
-    old_reporter_ = impl->GetTestPartResultReporterForCurrentThread();
-    impl->SetTestPartResultReporterForCurrentThread(this);
-  }
-}
-
-// The d'tor restores the test part result reporter used by Google Test
-// before.
-ScopedFakeTestPartResultReporter::~ScopedFakeTestPartResultReporter() {
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
-    impl->SetGlobalTestPartResultReporter(old_reporter_);
-  } else {
-    impl->SetTestPartResultReporterForCurrentThread(old_reporter_);
-  }
-}
-
-// Increments the test part result count and remembers the result.
-// This method is from the TestPartResultReporterInterface interface.
-void ScopedFakeTestPartResultReporter::ReportTestPartResult(
-    const TestPartResult& result) {
-  result_->Append(result);
-}
-
-namespace internal {
-
-// Returns the type ID of ::testing::Test.  We should always call this
-// instead of GetTypeId< ::testing::Test>() to get the type ID of
-// testing::Test.  This is to work around a suspected linker bug when
-// using Google Test as a framework on Mac OS X.  The bug causes
-// GetTypeId< ::testing::Test>() to return different values depending
-// on whether the call is from the Google Test framework itself or
-// from user test code.  GetTestTypeId() is guaranteed to always
-// return the same value, as it always calls GetTypeId<>() from the
-// gtest.cc, which is within the Google Test framework.
-TypeId GetTestTypeId() {
-  return GetTypeId<Test>();
-}
-
-// The value of GetTestTypeId() as seen from within the Google Test
-// library.  This is solely for testing GetTestTypeId().
-extern const TypeId kTestTypeIdInGoogleTest = GetTestTypeId();
-
-// This predicate-formatter checks that 'results' contains a test part
-// failure of the given type and that the failure message contains the
-// given substring.
-static AssertionResult HasOneFailure(const char* /* results_expr */,
-                                     const char* /* type_expr */,
-                                     const char* /* substr_expr */,
-                                     const TestPartResultArray& results,
-                                     TestPartResult::Type type,
-                                     const std::string& substr) {
-  const std::string expected(type == TestPartResult::kFatalFailure ?
-                        "1 fatal failure" :
-                        "1 non-fatal failure");
-  Message msg;
-  if (results.size() != 1) {
-    msg << "Expected: " << expected << "\n"
-        << "  Actual: " << results.size() << " failures";
-    for (int i = 0; i < results.size(); i++) {
-      msg << "\n" << results.GetTestPartResult(i);
-    }
-    return AssertionFailure() << msg;
-  }
-
-  const TestPartResult& r = results.GetTestPartResult(0);
-  if (r.type() != type) {
-    return AssertionFailure() << "Expected: " << expected << "\n"
-                              << "  Actual:\n"
-                              << r;
-  }
-
-  if (strstr(r.message(), substr.c_str()) == nullptr) {
-    return AssertionFailure() << "Expected: " << expected << " containing \""
-                              << substr << "\"\n"
-                              << "  Actual:\n"
-                              << r;
-  }
-
-  return AssertionSuccess();
-}
-
-// The constructor of SingleFailureChecker remembers where to look up
-// test part results, what type of failure we expect, and what
-// substring the failure message should contain.
-SingleFailureChecker::SingleFailureChecker(const TestPartResultArray* results,
-                                           TestPartResult::Type type,
-                                           const std::string& substr)
-    : results_(results), type_(type), substr_(substr) {}
-
-// The destructor of SingleFailureChecker verifies that the given
-// TestPartResultArray contains exactly one failure that has the given
-// type and contains the given substring.  If that's not the case, a
-// non-fatal failure will be generated.
-SingleFailureChecker::~SingleFailureChecker() {
-  EXPECT_PRED_FORMAT3(HasOneFailure, *results_, type_, substr_);
-}
-
-DefaultGlobalTestPartResultReporter::DefaultGlobalTestPartResultReporter(
-    UnitTestImpl* unit_test) : unit_test_(unit_test) {}
-
-void DefaultGlobalTestPartResultReporter::ReportTestPartResult(
-    const TestPartResult& result) {
-  unit_test_->current_test_result()->AddTestPartResult(result);
-  unit_test_->listeners()->repeater()->OnTestPartResult(result);
-}
-
-DefaultPerThreadTestPartResultReporter::DefaultPerThreadTestPartResultReporter(
-    UnitTestImpl* unit_test) : unit_test_(unit_test) {}
-
-void DefaultPerThreadTestPartResultReporter::ReportTestPartResult(
-    const TestPartResult& result) {
-  unit_test_->GetGlobalTestPartResultReporter()->ReportTestPartResult(result);
-}
-
-// Returns the global test part result reporter.
-TestPartResultReporterInterface*
-UnitTestImpl::GetGlobalTestPartResultReporter() {
-  internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
-  return global_test_part_result_repoter_;
-}
-
-// Sets the global test part result reporter.
-void UnitTestImpl::SetGlobalTestPartResultReporter(
-    TestPartResultReporterInterface* reporter) {
-  internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
-  global_test_part_result_repoter_ = reporter;
-}
-
-// Returns the test part result reporter for the current thread.
-TestPartResultReporterInterface*
-UnitTestImpl::GetTestPartResultReporterForCurrentThread() {
-  return per_thread_test_part_result_reporter_.get();
-}
-
-// Sets the test part result reporter for the current thread.
-void UnitTestImpl::SetTestPartResultReporterForCurrentThread(
-    TestPartResultReporterInterface* reporter) {
-  per_thread_test_part_result_reporter_.set(reporter);
-}
-
-// Gets the number of successful test suites.
-int UnitTestImpl::successful_test_suite_count() const {
-  return CountIf(test_suites_, TestSuitePassed);
-}
-
-// Gets the number of failed test suites.
-int UnitTestImpl::failed_test_suite_count() const {
-  return CountIf(test_suites_, TestSuiteFailed);
-}
-
-// Gets the number of all test suites.
-int UnitTestImpl::total_test_suite_count() const {
-  return static_cast<int>(test_suites_.size());
-}
-
-// Gets the number of all test suites that contain at least one test
-// that should run.
-int UnitTestImpl::test_suite_to_run_count() const {
-  return CountIf(test_suites_, ShouldRunTestSuite);
-}
-
-// Gets the number of successful tests.
-int UnitTestImpl::successful_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::successful_test_count);
-}
-
-// Gets the number of skipped tests.
-int UnitTestImpl::skipped_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::skipped_test_count);
-}
-
-// Gets the number of failed tests.
-int UnitTestImpl::failed_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::failed_test_count);
-}
-
-// Gets the number of disabled tests that will be reported in the XML report.
-int UnitTestImpl::reportable_disabled_test_count() const {
-  return SumOverTestSuiteList(test_suites_,
-                              &TestSuite::reportable_disabled_test_count);
-}
-
-// Gets the number of disabled tests.
-int UnitTestImpl::disabled_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::disabled_test_count);
-}
-
-// Gets the number of tests to be printed in the XML report.
-int UnitTestImpl::reportable_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::reportable_test_count);
-}
-
-// Gets the number of all tests.
-int UnitTestImpl::total_test_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::total_test_count);
-}
-
-// Gets the number of tests that should run.
-int UnitTestImpl::test_to_run_count() const {
-  return SumOverTestSuiteList(test_suites_, &TestSuite::test_to_run_count);
-}
-
-// Returns the current OS stack trace as an std::string.
-//
-// The maximum number of stack frames to be included is specified by
-// the gtest_stack_trace_depth flag.  The skip_count parameter
-// specifies the number of top frames to be skipped, which doesn't
-// count against the number of frames to be included.
-//
-// For example, if Foo() calls Bar(), which in turn calls
-// CurrentOsStackTraceExceptTop(1), Foo() will be included in the
-// trace but Bar() and CurrentOsStackTraceExceptTop() won't.
-std::string UnitTestImpl::CurrentOsStackTraceExceptTop(int skip_count) {
-  return os_stack_trace_getter()->CurrentStackTrace(
-      static_cast<int>(GTEST_FLAG(stack_trace_depth)),
-      skip_count + 1
-      // Skips the user-specified number of frames plus this function
-      // itself.
-      );  // NOLINT
-}
-
-// A helper class for measuring elapsed times.
-class Timer {
- public:
-  Timer() : start_(std::chrono::steady_clock::now()) {}
-
-  // Return time elapsed in milliseconds since the timer was created.
-  TimeInMillis Elapsed() {
-    return std::chrono::duration_cast<std::chrono::milliseconds>(
-               std::chrono::steady_clock::now() - start_)
-        .count();
-  }
-
- private:
-  std::chrono::steady_clock::time_point start_;
-};
-
-// Returns a timestamp as milliseconds since the epoch. Note this time may jump
-// around subject to adjustments by the system, to measure elapsed time use
-// Timer instead.
-TimeInMillis GetTimeInMillis() {
-  return std::chrono::duration_cast<std::chrono::milliseconds>(
-             std::chrono::system_clock::now() -
-             std::chrono::system_clock::from_time_t(0))
-      .count();
-}
-
-// Utilities
-
-// class String.
-
-#if GTEST_OS_WINDOWS_MOBILE
-// Creates a UTF-16 wide string from the given ANSI string, allocating
-// memory using new. The caller is responsible for deleting the return
-// value using delete[]. Returns the wide string, or NULL if the
-// input is NULL.
-LPCWSTR String::AnsiToUtf16(const char* ansi) {
-  if (!ansi) return nullptr;
-  const int length = strlen(ansi);
-  const int unicode_length =
-      MultiByteToWideChar(CP_ACP, 0, ansi, length, nullptr, 0);
-  WCHAR* unicode = new WCHAR[unicode_length + 1];
-  MultiByteToWideChar(CP_ACP, 0, ansi, length,
-                      unicode, unicode_length);
-  unicode[unicode_length] = 0;
-  return unicode;
-}
-
-// Creates an ANSI string from the given wide string, allocating
-// memory using new. The caller is responsible for deleting the return
-// value using delete[]. Returns the ANSI string, or NULL if the
-// input is NULL.
-const char* String::Utf16ToAnsi(LPCWSTR utf16_str)  {
-  if (!utf16_str) return nullptr;
-  const int ansi_length = WideCharToMultiByte(CP_ACP, 0, utf16_str, -1, nullptr,
-                                              0, nullptr, nullptr);
-  char* ansi = new char[ansi_length + 1];
-  WideCharToMultiByte(CP_ACP, 0, utf16_str, -1, ansi, ansi_length, nullptr,
-                      nullptr);
-  ansi[ansi_length] = 0;
-  return ansi;
-}
-
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-// Compares two C strings.  Returns true if and only if they have the same
-// content.
-//
-// Unlike strcmp(), this function can handle NULL argument(s).  A NULL
-// C string is considered different to any non-NULL C string,
-// including the empty string.
-bool String::CStringEquals(const char * lhs, const char * rhs) {
-  if (lhs == nullptr) return rhs == nullptr;
-
-  if (rhs == nullptr) return false;
-
-  return strcmp(lhs, rhs) == 0;
-}
-
-#if GTEST_HAS_STD_WSTRING
-
-// Converts an array of wide chars to a narrow string using the UTF-8
-// encoding, and streams the result to the given Message object.
-static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
-                                     Message* msg) {
-  for (size_t i = 0; i != length; ) {  // NOLINT
-    if (wstr[i] != L'\0') {
-      *msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
-      while (i != length && wstr[i] != L'\0')
-        i++;
-    } else {
-      *msg << '\0';
-      i++;
-    }
-  }
-}
-
-#endif  // GTEST_HAS_STD_WSTRING
-
-void SplitString(const ::std::string& str, char delimiter,
-                 ::std::vector< ::std::string>* dest) {
-  ::std::vector< ::std::string> parsed;
-  ::std::string::size_type pos = 0;
-  while (::testing::internal::AlwaysTrue()) {
-    const ::std::string::size_type colon = str.find(delimiter, pos);
-    if (colon == ::std::string::npos) {
-      parsed.push_back(str.substr(pos));
-      break;
-    } else {
-      parsed.push_back(str.substr(pos, colon - pos));
-      pos = colon + 1;
-    }
-  }
-  dest->swap(parsed);
-}
-
-}  // namespace internal
-
-// Constructs an empty Message.
-// We allocate the stringstream separately because otherwise each use of
-// ASSERT/EXPECT in a procedure adds over 200 bytes to the procedure's
-// stack frame leading to huge stack frames in some cases; gcc does not reuse
-// the stack space.
-Message::Message() : ss_(new ::std::stringstream) {
-  // By default, we want there to be enough precision when printing
-  // a double to a Message.
-  *ss_ << std::setprecision(std::numeric_limits<double>::digits10 + 2);
-}
-
-// These two overloads allow streaming a wide C string to a Message
-// using the UTF-8 encoding.
-Message& Message::operator <<(const wchar_t* wide_c_str) {
-  return *this << internal::String::ShowWideCString(wide_c_str);
-}
-Message& Message::operator <<(wchar_t* wide_c_str) {
-  return *this << internal::String::ShowWideCString(wide_c_str);
-}
-
-#if GTEST_HAS_STD_WSTRING
-// Converts the given wide string to a narrow string using the UTF-8
-// encoding, and streams the result to this Message object.
-Message& Message::operator <<(const ::std::wstring& wstr) {
-  internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
-  return *this;
-}
-#endif  // GTEST_HAS_STD_WSTRING
-
-// Gets the text streamed to this object so far as an std::string.
-// Each '\0' character in the buffer is replaced with "\\0".
-std::string Message::GetString() const {
-  return internal::StringStreamToString(ss_.get());
-}
-
-// AssertionResult constructors.
-// Used in EXPECT_TRUE/FALSE(assertion_result).
-AssertionResult::AssertionResult(const AssertionResult& other)
-    : success_(other.success_),
-      message_(other.message_.get() != nullptr
-                   ? new ::std::string(*other.message_)
-                   : static_cast< ::std::string*>(nullptr)) {}
-
-// Swaps two AssertionResults.
-void AssertionResult::swap(AssertionResult& other) {
-  using std::swap;
-  swap(success_, other.success_);
-  swap(message_, other.message_);
-}
-
-// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
-AssertionResult AssertionResult::operator!() const {
-  AssertionResult negation(!success_);
-  if (message_.get() != nullptr) negation << *message_;
-  return negation;
-}
-
-// Makes a successful assertion result.
-AssertionResult AssertionSuccess() {
-  return AssertionResult(true);
-}
-
-// Makes a failed assertion result.
-AssertionResult AssertionFailure() {
-  return AssertionResult(false);
-}
-
-// Makes a failed assertion result with the given failure message.
-// Deprecated; use AssertionFailure() << message.
-AssertionResult AssertionFailure(const Message& message) {
-  return AssertionFailure() << message;
-}
-
-namespace internal {
-
-namespace edit_distance {
-std::vector<EditType> CalculateOptimalEdits(const std::vector<size_t>& left,
-                                            const std::vector<size_t>& right) {
-  std::vector<std::vector<double> > costs(
-      left.size() + 1, std::vector<double>(right.size() + 1));
-  std::vector<std::vector<EditType> > best_move(
-      left.size() + 1, std::vector<EditType>(right.size() + 1));
-
-  // Populate for empty right.
-  for (size_t l_i = 0; l_i < costs.size(); ++l_i) {
-    costs[l_i][0] = static_cast<double>(l_i);
-    best_move[l_i][0] = kRemove;
-  }
-  // Populate for empty left.
-  for (size_t r_i = 1; r_i < costs[0].size(); ++r_i) {
-    costs[0][r_i] = static_cast<double>(r_i);
-    best_move[0][r_i] = kAdd;
-  }
-
-  for (size_t l_i = 0; l_i < left.size(); ++l_i) {
-    for (size_t r_i = 0; r_i < right.size(); ++r_i) {
-      if (left[l_i] == right[r_i]) {
-        // Found a match. Consume it.
-        costs[l_i + 1][r_i + 1] = costs[l_i][r_i];
-        best_move[l_i + 1][r_i + 1] = kMatch;
-        continue;
-      }
-
-      const double add = costs[l_i + 1][r_i];
-      const double remove = costs[l_i][r_i + 1];
-      const double replace = costs[l_i][r_i];
-      if (add < remove && add < replace) {
-        costs[l_i + 1][r_i + 1] = add + 1;
-        best_move[l_i + 1][r_i + 1] = kAdd;
-      } else if (remove < add && remove < replace) {
-        costs[l_i + 1][r_i + 1] = remove + 1;
-        best_move[l_i + 1][r_i + 1] = kRemove;
-      } else {
-        // We make replace a little more expensive than add/remove to lower
-        // their priority.
-        costs[l_i + 1][r_i + 1] = replace + 1.00001;
-        best_move[l_i + 1][r_i + 1] = kReplace;
-      }
-    }
-  }
-
-  // Reconstruct the best path. We do it in reverse order.
-  std::vector<EditType> best_path;
-  for (size_t l_i = left.size(), r_i = right.size(); l_i > 0 || r_i > 0;) {
-    EditType move = best_move[l_i][r_i];
-    best_path.push_back(move);
-    l_i -= move != kAdd;
-    r_i -= move != kRemove;
-  }
-  std::reverse(best_path.begin(), best_path.end());
-  return best_path;
-}
-
-namespace {
-
-// Helper class to convert string into ids with deduplication.
-class InternalStrings {
- public:
-  size_t GetId(const std::string& str) {
-    IdMap::iterator it = ids_.find(str);
-    if (it != ids_.end()) return it->second;
-    size_t id = ids_.size();
-    return ids_[str] = id;
-  }
-
- private:
-  typedef std::map<std::string, size_t> IdMap;
-  IdMap ids_;
-};
-
-}  // namespace
-
-std::vector<EditType> CalculateOptimalEdits(
-    const std::vector<std::string>& left,
-    const std::vector<std::string>& right) {
-  std::vector<size_t> left_ids, right_ids;
-  {
-    InternalStrings intern_table;
-    for (size_t i = 0; i < left.size(); ++i) {
-      left_ids.push_back(intern_table.GetId(left[i]));
-    }
-    for (size_t i = 0; i < right.size(); ++i) {
-      right_ids.push_back(intern_table.GetId(right[i]));
-    }
-  }
-  return CalculateOptimalEdits(left_ids, right_ids);
-}
-
-namespace {
-
-// Helper class that holds the state for one hunk and prints it out to the
-// stream.
-// It reorders adds/removes when possible to group all removes before all
-// adds. It also adds the hunk header before printint into the stream.
-class Hunk {
- public:
-  Hunk(size_t left_start, size_t right_start)
-      : left_start_(left_start),
-        right_start_(right_start),
-        adds_(),
-        removes_(),
-        common_() {}
-
-  void PushLine(char edit, const char* line) {
-    switch (edit) {
-      case ' ':
-        ++common_;
-        FlushEdits();
-        hunk_.push_back(std::make_pair(' ', line));
-        break;
-      case '-':
-        ++removes_;
-        hunk_removes_.push_back(std::make_pair('-', line));
-        break;
-      case '+':
-        ++adds_;
-        hunk_adds_.push_back(std::make_pair('+', line));
-        break;
-    }
-  }
-
-  void PrintTo(std::ostream* os) {
-    PrintHeader(os);
-    FlushEdits();
-    for (std::list<std::pair<char, const char*> >::const_iterator it =
-             hunk_.begin();
-         it != hunk_.end(); ++it) {
-      *os << it->first << it->second << "\n";
-    }
-  }
-
-  bool has_edits() const { return adds_ || removes_; }
-
- private:
-  void FlushEdits() {
-    hunk_.splice(hunk_.end(), hunk_removes_);
-    hunk_.splice(hunk_.end(), hunk_adds_);
-  }
-
-  // Print a unified diff header for one hunk.
-  // The format is
-  //   "@@ -<left_start>,<left_length> +<right_start>,<right_length> @@"
-  // where the left/right parts are omitted if unnecessary.
-  void PrintHeader(std::ostream* ss) const {
-    *ss << "@@ ";
-    if (removes_) {
-      *ss << "-" << left_start_ << "," << (removes_ + common_);
-    }
-    if (removes_ && adds_) {
-      *ss << " ";
-    }
-    if (adds_) {
-      *ss << "+" << right_start_ << "," << (adds_ + common_);
-    }
-    *ss << " @@\n";
-  }
-
-  size_t left_start_, right_start_;
-  size_t adds_, removes_, common_;
-  std::list<std::pair<char, const char*> > hunk_, hunk_adds_, hunk_removes_;
-};
-
-}  // namespace
-
-// Create a list of diff hunks in Unified diff format.
-// Each hunk has a header generated by PrintHeader above plus a body with
-// lines prefixed with ' ' for no change, '-' for deletion and '+' for
-// addition.
-// 'context' represents the desired unchanged prefix/suffix around the diff.
-// If two hunks are close enough that their contexts overlap, then they are
-// joined into one hunk.
-std::string CreateUnifiedDiff(const std::vector<std::string>& left,
-                              const std::vector<std::string>& right,
-                              size_t context) {
-  const std::vector<EditType> edits = CalculateOptimalEdits(left, right);
-
-  size_t l_i = 0, r_i = 0, edit_i = 0;
-  std::stringstream ss;
-  while (edit_i < edits.size()) {
-    // Find first edit.
-    while (edit_i < edits.size() && edits[edit_i] == kMatch) {
-      ++l_i;
-      ++r_i;
-      ++edit_i;
-    }
-
-    // Find the first line to include in the hunk.
-    const size_t prefix_context = std::min(l_i, context);
-    Hunk hunk(l_i - prefix_context + 1, r_i - prefix_context + 1);
-    for (size_t i = prefix_context; i > 0; --i) {
-      hunk.PushLine(' ', left[l_i - i].c_str());
-    }
-
-    // Iterate the edits until we found enough suffix for the hunk or the input
-    // is over.
-    size_t n_suffix = 0;
-    for (; edit_i < edits.size(); ++edit_i) {
-      if (n_suffix >= context) {
-        // Continue only if the next hunk is very close.
-        auto it = edits.begin() + static_cast<int>(edit_i);
-        while (it != edits.end() && *it == kMatch) ++it;
-        if (it == edits.end() ||
-            static_cast<size_t>(it - edits.begin()) - edit_i >= context) {
-          // There is no next edit or it is too far away.
-          break;
-        }
-      }
-
-      EditType edit = edits[edit_i];
-      // Reset count when a non match is found.
-      n_suffix = edit == kMatch ? n_suffix + 1 : 0;
-
-      if (edit == kMatch || edit == kRemove || edit == kReplace) {
-        hunk.PushLine(edit == kMatch ? ' ' : '-', left[l_i].c_str());
-      }
-      if (edit == kAdd || edit == kReplace) {
-        hunk.PushLine('+', right[r_i].c_str());
-      }
-
-      // Advance indices, depending on edit type.
-      l_i += edit != kAdd;
-      r_i += edit != kRemove;
-    }
-
-    if (!hunk.has_edits()) {
-      // We are done. We don't want this hunk.
-      break;
-    }
-
-    hunk.PrintTo(&ss);
-  }
-  return ss.str();
-}
-
-}  // namespace edit_distance
-
-namespace {
-
-// The string representation of the values received in EqFailure() are already
-// escaped. Split them on escaped '\n' boundaries. Leave all other escaped
-// characters the same.
-std::vector<std::string> SplitEscapedString(const std::string& str) {
-  std::vector<std::string> lines;
-  size_t start = 0, end = str.size();
-  if (end > 2 && str[0] == '"' && str[end - 1] == '"') {
-    ++start;
-    --end;
-  }
-  bool escaped = false;
-  for (size_t i = start; i + 1 < end; ++i) {
-    if (escaped) {
-      escaped = false;
-      if (str[i] == 'n') {
-        lines.push_back(str.substr(start, i - start - 1));
-        start = i + 1;
-      }
-    } else {
-      escaped = str[i] == '\\';
-    }
-  }
-  lines.push_back(str.substr(start, end - start));
-  return lines;
-}
-
-}  // namespace
-
-// Constructs and returns the message for an equality assertion
-// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure.
-//
-// The first four parameters are the expressions used in the assertion
-// and their values, as strings.  For example, for ASSERT_EQ(foo, bar)
-// where foo is 5 and bar is 6, we have:
-//
-//   lhs_expression: "foo"
-//   rhs_expression: "bar"
-//   lhs_value:      "5"
-//   rhs_value:      "6"
-//
-// The ignoring_case parameter is true if and only if the assertion is a
-// *_STRCASEEQ*.  When it's true, the string "Ignoring case" will
-// be inserted into the message.
-AssertionResult EqFailure(const char* lhs_expression,
-                          const char* rhs_expression,
-                          const std::string& lhs_value,
-                          const std::string& rhs_value,
-                          bool ignoring_case) {
-  Message msg;
-  msg << "Expected equality of these values:";
-  msg << "\n  " << lhs_expression;
-  if (lhs_value != lhs_expression) {
-    msg << "\n    Which is: " << lhs_value;
-  }
-  msg << "\n  " << rhs_expression;
-  if (rhs_value != rhs_expression) {
-    msg << "\n    Which is: " << rhs_value;
-  }
-
-  if (ignoring_case) {
-    msg << "\nIgnoring case";
-  }
-
-  if (!lhs_value.empty() && !rhs_value.empty()) {
-    const std::vector<std::string> lhs_lines =
-        SplitEscapedString(lhs_value);
-    const std::vector<std::string> rhs_lines =
-        SplitEscapedString(rhs_value);
-    if (lhs_lines.size() > 1 || rhs_lines.size() > 1) {
-      msg << "\nWith diff:\n"
-          << edit_distance::CreateUnifiedDiff(lhs_lines, rhs_lines);
-    }
-  }
-
-  return AssertionFailure() << msg;
-}
-
-// Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
-std::string GetBoolAssertionFailureMessage(
-    const AssertionResult& assertion_result,
-    const char* expression_text,
-    const char* actual_predicate_value,
-    const char* expected_predicate_value) {
-  const char* actual_message = assertion_result.message();
-  Message msg;
-  msg << "Value of: " << expression_text
-      << "\n  Actual: " << actual_predicate_value;
-  if (actual_message[0] != '\0')
-    msg << " (" << actual_message << ")";
-  msg << "\nExpected: " << expected_predicate_value;
-  return msg.GetString();
-}
-
-// Helper function for implementing ASSERT_NEAR.
-AssertionResult DoubleNearPredFormat(const char* expr1,
-                                     const char* expr2,
-                                     const char* abs_error_expr,
-                                     double val1,
-                                     double val2,
-                                     double abs_error) {
-  const double diff = fabs(val1 - val2);
-  if (diff <= abs_error) return AssertionSuccess();
-
-  // Find the value which is closest to zero.
-  const double min_abs = std::min(fabs(val1), fabs(val2));
-  // Find the distance to the next double from that value.
-  const double epsilon =
-      nextafter(min_abs, std::numeric_limits<double>::infinity()) - min_abs;
-  // Detect the case where abs_error is so small that EXPECT_NEAR is
-  // effectively the same as EXPECT_EQUAL, and give an informative error
-  // message so that the situation can be more easily understood without
-  // requiring exotic floating-point knowledge.
-  // Don't do an epsilon check if abs_error is zero because that implies
-  // that an equality check was actually intended.
-  if (!(std::isnan)(val1) && !(std::isnan)(val2) && abs_error > 0 &&
-      abs_error < epsilon) {
-    return AssertionFailure()
-           << "The difference between " << expr1 << " and " << expr2 << " is "
-           << diff << ", where\n"
-           << expr1 << " evaluates to " << val1 << ",\n"
-           << expr2 << " evaluates to " << val2 << ".\nThe abs_error parameter "
-           << abs_error_expr << " evaluates to " << abs_error
-           << " which is smaller than the minimum distance between doubles for "
-              "numbers of this magnitude which is "
-           << epsilon
-           << ", thus making this EXPECT_NEAR check equivalent to "
-              "EXPECT_EQUAL. Consider using EXPECT_DOUBLE_EQ instead.";
-  }
-  return AssertionFailure()
-      << "The difference between " << expr1 << " and " << expr2
-      << " is " << diff << ", which exceeds " << abs_error_expr << ", where\n"
-      << expr1 << " evaluates to " << val1 << ",\n"
-      << expr2 << " evaluates to " << val2 << ", and\n"
-      << abs_error_expr << " evaluates to " << abs_error << ".";
-}
-
-
-// Helper template for implementing FloatLE() and DoubleLE().
-template <typename RawType>
-AssertionResult FloatingPointLE(const char* expr1,
-                                const char* expr2,
-                                RawType val1,
-                                RawType val2) {
-  // Returns success if val1 is less than val2,
-  if (val1 < val2) {
-    return AssertionSuccess();
-  }
-
-  // or if val1 is almost equal to val2.
-  const FloatingPoint<RawType> lhs(val1), rhs(val2);
-  if (lhs.AlmostEquals(rhs)) {
-    return AssertionSuccess();
-  }
-
-  // Note that the above two checks will both fail if either val1 or
-  // val2 is NaN, as the IEEE floating-point standard requires that
-  // any predicate involving a NaN must return false.
-
-  ::std::stringstream val1_ss;
-  val1_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
-          << val1;
-
-  ::std::stringstream val2_ss;
-  val2_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
-          << val2;
-
-  return AssertionFailure()
-      << "Expected: (" << expr1 << ") <= (" << expr2 << ")\n"
-      << "  Actual: " << StringStreamToString(&val1_ss) << " vs "
-      << StringStreamToString(&val2_ss);
-}
-
-}  // namespace internal
-
-// Asserts that val1 is less than, or almost equal to, val2.  Fails
-// otherwise.  In particular, it fails if either val1 or val2 is NaN.
-AssertionResult FloatLE(const char* expr1, const char* expr2,
-                        float val1, float val2) {
-  return internal::FloatingPointLE<float>(expr1, expr2, val1, val2);
-}
-
-// Asserts that val1 is less than, or almost equal to, val2.  Fails
-// otherwise.  In particular, it fails if either val1 or val2 is NaN.
-AssertionResult DoubleLE(const char* expr1, const char* expr2,
-                         double val1, double val2) {
-  return internal::FloatingPointLE<double>(expr1, expr2, val1, val2);
-}
-
-namespace internal {
-
-// The helper function for {ASSERT|EXPECT}_STREQ.
-AssertionResult CmpHelperSTREQ(const char* lhs_expression,
-                               const char* rhs_expression,
-                               const char* lhs,
-                               const char* rhs) {
-  if (String::CStringEquals(lhs, rhs)) {
-    return AssertionSuccess();
-  }
-
-  return EqFailure(lhs_expression,
-                   rhs_expression,
-                   PrintToString(lhs),
-                   PrintToString(rhs),
-                   false);
-}
-
-// The helper function for {ASSERT|EXPECT}_STRCASEEQ.
-AssertionResult CmpHelperSTRCASEEQ(const char* lhs_expression,
-                                   const char* rhs_expression,
-                                   const char* lhs,
-                                   const char* rhs) {
-  if (String::CaseInsensitiveCStringEquals(lhs, rhs)) {
-    return AssertionSuccess();
-  }
-
-  return EqFailure(lhs_expression,
-                   rhs_expression,
-                   PrintToString(lhs),
-                   PrintToString(rhs),
-                   true);
-}
-
-// The helper function for {ASSERT|EXPECT}_STRNE.
-AssertionResult CmpHelperSTRNE(const char* s1_expression,
-                               const char* s2_expression,
-                               const char* s1,
-                               const char* s2) {
-  if (!String::CStringEquals(s1, s2)) {
-    return AssertionSuccess();
-  } else {
-    return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
-                              << s2_expression << "), actual: \""
-                              << s1 << "\" vs \"" << s2 << "\"";
-  }
-}
-
-// The helper function for {ASSERT|EXPECT}_STRCASENE.
-AssertionResult CmpHelperSTRCASENE(const char* s1_expression,
-                                   const char* s2_expression,
-                                   const char* s1,
-                                   const char* s2) {
-  if (!String::CaseInsensitiveCStringEquals(s1, s2)) {
-    return AssertionSuccess();
-  } else {
-    return AssertionFailure()
-        << "Expected: (" << s1_expression << ") != ("
-        << s2_expression << ") (ignoring case), actual: \""
-        << s1 << "\" vs \"" << s2 << "\"";
-  }
-}
-
-}  // namespace internal
-
-namespace {
-
-// Helper functions for implementing IsSubString() and IsNotSubstring().
-
-// This group of overloaded functions return true if and only if needle
-// is a substring of haystack.  NULL is considered a substring of
-// itself only.
-
-bool IsSubstringPred(const char* needle, const char* haystack) {
-  if (needle == nullptr || haystack == nullptr) return needle == haystack;
-
-  return strstr(haystack, needle) != nullptr;
-}
-
-bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {
-  if (needle == nullptr || haystack == nullptr) return needle == haystack;
-
-  return wcsstr(haystack, needle) != nullptr;
-}
-
-// StringType here can be either ::std::string or ::std::wstring.
-template <typename StringType>
-bool IsSubstringPred(const StringType& needle,
-                     const StringType& haystack) {
-  return haystack.find(needle) != StringType::npos;
-}
-
-// This function implements either IsSubstring() or IsNotSubstring(),
-// depending on the value of the expected_to_be_substring parameter.
-// StringType here can be const char*, const wchar_t*, ::std::string,
-// or ::std::wstring.
-template <typename StringType>
-AssertionResult IsSubstringImpl(
-    bool expected_to_be_substring,
-    const char* needle_expr, const char* haystack_expr,
-    const StringType& needle, const StringType& haystack) {
-  if (IsSubstringPred(needle, haystack) == expected_to_be_substring)
-    return AssertionSuccess();
-
-  const bool is_wide_string = sizeof(needle[0]) > 1;
-  const char* const begin_string_quote = is_wide_string ? "L\"" : "\"";
-  return AssertionFailure()
-      << "Value of: " << needle_expr << "\n"
-      << "  Actual: " << begin_string_quote << needle << "\"\n"
-      << "Expected: " << (expected_to_be_substring ? "" : "not ")
-      << "a substring of " << haystack_expr << "\n"
-      << "Which is: " << begin_string_quote << haystack << "\"";
-}
-
-}  // namespace
-
-// IsSubstring() and IsNotSubstring() check whether needle is a
-// substring of haystack (NULL is considered a substring of itself
-// only), and return an appropriate error message when they fail.
-
-AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const char* needle, const char* haystack) {
-  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const wchar_t* needle, const wchar_t* haystack) {
-  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const char* needle, const char* haystack) {
-  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const wchar_t* needle, const wchar_t* haystack) {
-  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::string& needle, const ::std::string& haystack) {
-  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::string& needle, const ::std::string& haystack) {
-  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
-}
-
-#if GTEST_HAS_STD_WSTRING
-AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::wstring& needle, const ::std::wstring& haystack) {
-  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
-}
-
-AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::wstring& needle, const ::std::wstring& haystack) {
-  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
-}
-#endif  // GTEST_HAS_STD_WSTRING
-
-namespace internal {
-
-#if GTEST_OS_WINDOWS
-
-namespace {
-
-// Helper function for IsHRESULT{SuccessFailure} predicates
-AssertionResult HRESULTFailureHelper(const char* expr,
-                                     const char* expected,
-                                     long hr) {  // NOLINT
-# if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_TV_TITLE
-
-  // Windows CE doesn't support FormatMessage.
-  const char error_text[] = "";
-
-# else
-
-  // Looks up the human-readable system message for the HRESULT code
-  // and since we're not passing any params to FormatMessage, we don't
-  // want inserts expanded.
-  const DWORD kFlags = FORMAT_MESSAGE_FROM_SYSTEM |
-                       FORMAT_MESSAGE_IGNORE_INSERTS;
-  const DWORD kBufSize = 4096;
-  // Gets the system's human readable message string for this HRESULT.
-  char error_text[kBufSize] = { '\0' };
-  DWORD message_length = ::FormatMessageA(kFlags,
-                                          0,   // no source, we're asking system
-                                          static_cast<DWORD>(hr),  // the error
-                                          0,   // no line width restrictions
-                                          error_text,  // output buffer
-                                          kBufSize,    // buf size
-                                          nullptr);  // no arguments for inserts
-  // Trims tailing white space (FormatMessage leaves a trailing CR-LF)
-  for (; message_length && IsSpace(error_text[message_length - 1]);
-          --message_length) {
-    error_text[message_length - 1] = '\0';
-  }
-
-# endif  // GTEST_OS_WINDOWS_MOBILE
-
-  const std::string error_hex("0x" + String::FormatHexInt(hr));
-  return ::testing::AssertionFailure()
-      << "Expected: " << expr << " " << expected << ".\n"
-      << "  Actual: " << error_hex << " " << error_text << "\n";
-}
-
-}  // namespace
-
-AssertionResult IsHRESULTSuccess(const char* expr, long hr) {  // NOLINT
-  if (SUCCEEDED(hr)) {
-    return AssertionSuccess();
-  }
-  return HRESULTFailureHelper(expr, "succeeds", hr);
-}
-
-AssertionResult IsHRESULTFailure(const char* expr, long hr) {  // NOLINT
-  if (FAILED(hr)) {
-    return AssertionSuccess();
-  }
-  return HRESULTFailureHelper(expr, "fails", hr);
-}
-
-#endif  // GTEST_OS_WINDOWS
-
-// Utility functions for encoding Unicode text (wide strings) in
-// UTF-8.
-
-// A Unicode code-point can have up to 21 bits, and is encoded in UTF-8
-// like this:
-//
-// Code-point length   Encoding
-//   0 -  7 bits       0xxxxxxx
-//   8 - 11 bits       110xxxxx 10xxxxxx
-//  12 - 16 bits       1110xxxx 10xxxxxx 10xxxxxx
-//  17 - 21 bits       11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
-
-// The maximum code-point a one-byte UTF-8 sequence can represent.
-constexpr uint32_t kMaxCodePoint1 = (static_cast<uint32_t>(1) <<  7) - 1;
-
-// The maximum code-point a two-byte UTF-8 sequence can represent.
-constexpr uint32_t kMaxCodePoint2 = (static_cast<uint32_t>(1) << (5 + 6)) - 1;
-
-// The maximum code-point a three-byte UTF-8 sequence can represent.
-constexpr uint32_t kMaxCodePoint3 = (static_cast<uint32_t>(1) << (4 + 2*6)) - 1;
-
-// The maximum code-point a four-byte UTF-8 sequence can represent.
-constexpr uint32_t kMaxCodePoint4 = (static_cast<uint32_t>(1) << (3 + 3*6)) - 1;
-
-// Chops off the n lowest bits from a bit pattern.  Returns the n
-// lowest bits.  As a side effect, the original bit pattern will be
-// shifted to the right by n bits.
-inline uint32_t ChopLowBits(uint32_t* bits, int n) {
-  const uint32_t low_bits = *bits & ((static_cast<uint32_t>(1) << n) - 1);
-  *bits >>= n;
-  return low_bits;
-}
-
-// Converts a Unicode code point to a narrow string in UTF-8 encoding.
-// code_point parameter is of type uint32_t because wchar_t may not be
-// wide enough to contain a code point.
-// If the code_point is not a valid Unicode code point
-// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be converted
-// to "(Invalid Unicode 0xXXXXXXXX)".
-std::string CodePointToUtf8(uint32_t code_point) {
-  if (code_point > kMaxCodePoint4) {
-    return "(Invalid Unicode 0x" + String::FormatHexUInt32(code_point) + ")";
-  }
-
-  char str[5];  // Big enough for the largest valid code point.
-  if (code_point <= kMaxCodePoint1) {
-    str[1] = '\0';
-    str[0] = static_cast<char>(code_point);                          // 0xxxxxxx
-  } else if (code_point <= kMaxCodePoint2) {
-    str[2] = '\0';
-    str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[0] = static_cast<char>(0xC0 | code_point);                   // 110xxxxx
-  } else if (code_point <= kMaxCodePoint3) {
-    str[3] = '\0';
-    str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[0] = static_cast<char>(0xE0 | code_point);                   // 1110xxxx
-  } else {  // code_point <= kMaxCodePoint4
-    str[4] = '\0';
-    str[3] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6));  // 10xxxxxx
-    str[0] = static_cast<char>(0xF0 | code_point);                   // 11110xxx
-  }
-  return str;
-}
-
-// The following two functions only make sense if the system
-// uses UTF-16 for wide string encoding. All supported systems
-// with 16 bit wchar_t (Windows, Cygwin) do use UTF-16.
-
-// Determines if the arguments constitute UTF-16 surrogate pair
-// and thus should be combined into a single Unicode code point
-// using CreateCodePointFromUtf16SurrogatePair.
-inline bool IsUtf16SurrogatePair(wchar_t first, wchar_t second) {
-  return sizeof(wchar_t) == 2 &&
-      (first & 0xFC00) == 0xD800 && (second & 0xFC00) == 0xDC00;
-}
-
-// Creates a Unicode code point from UTF16 surrogate pair.
-inline uint32_t CreateCodePointFromUtf16SurrogatePair(wchar_t first,
-                                                      wchar_t second) {
-  const auto first_u = static_cast<uint32_t>(first);
-  const auto second_u = static_cast<uint32_t>(second);
-  const uint32_t mask = (1 << 10) - 1;
-  return (sizeof(wchar_t) == 2)
-             ? (((first_u & mask) << 10) | (second_u & mask)) + 0x10000
-             :
-             // This function should not be called when the condition is
-             // false, but we provide a sensible default in case it is.
-             first_u;
-}
-
-// Converts a wide string to a narrow string in UTF-8 encoding.
-// The wide string is assumed to have the following encoding:
-//   UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin)
-//   UTF-32 if sizeof(wchar_t) == 4 (on Linux)
-// Parameter str points to a null-terminated wide string.
-// Parameter num_chars may additionally limit the number
-// of wchar_t characters processed. -1 is used when the entire string
-// should be processed.
-// If the string contains code points that are not valid Unicode code points
-// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
-// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
-// and contains invalid UTF-16 surrogate pairs, values in those pairs
-// will be encoded as individual Unicode characters from Basic Normal Plane.
-std::string WideStringToUtf8(const wchar_t* str, int num_chars) {
-  if (num_chars == -1)
-    num_chars = static_cast<int>(wcslen(str));
-
-  ::std::stringstream stream;
-  for (int i = 0; i < num_chars; ++i) {
-    uint32_t unicode_code_point;
-
-    if (str[i] == L'\0') {
-      break;
-    } else if (i + 1 < num_chars && IsUtf16SurrogatePair(str[i], str[i + 1])) {
-      unicode_code_point = CreateCodePointFromUtf16SurrogatePair(str[i],
-                                                                 str[i + 1]);
-      i++;
-    } else {
-      unicode_code_point = static_cast<uint32_t>(str[i]);
-    }
-
-    stream << CodePointToUtf8(unicode_code_point);
-  }
-  return StringStreamToString(&stream);
-}
-
-// Converts a wide C string to an std::string using the UTF-8 encoding.
-// NULL will be converted to "(null)".
-std::string String::ShowWideCString(const wchar_t * wide_c_str) {
-  if (wide_c_str == nullptr) return "(null)";
-
-  return internal::WideStringToUtf8(wide_c_str, -1);
-}
-
-// Compares two wide C strings.  Returns true if and only if they have the
-// same content.
-//
-// Unlike wcscmp(), this function can handle NULL argument(s).  A NULL
-// C string is considered different to any non-NULL C string,
-// including the empty string.
-bool String::WideCStringEquals(const wchar_t * lhs, const wchar_t * rhs) {
-  if (lhs == nullptr) return rhs == nullptr;
-
-  if (rhs == nullptr) return false;
-
-  return wcscmp(lhs, rhs) == 0;
-}
-
-// Helper function for *_STREQ on wide strings.
-AssertionResult CmpHelperSTREQ(const char* lhs_expression,
-                               const char* rhs_expression,
-                               const wchar_t* lhs,
-                               const wchar_t* rhs) {
-  if (String::WideCStringEquals(lhs, rhs)) {
-    return AssertionSuccess();
-  }
-
-  return EqFailure(lhs_expression,
-                   rhs_expression,
-                   PrintToString(lhs),
-                   PrintToString(rhs),
-                   false);
-}
-
-// Helper function for *_STRNE on wide strings.
-AssertionResult CmpHelperSTRNE(const char* s1_expression,
-                               const char* s2_expression,
-                               const wchar_t* s1,
-                               const wchar_t* s2) {
-  if (!String::WideCStringEquals(s1, s2)) {
-    return AssertionSuccess();
-  }
-
-  return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
-                            << s2_expression << "), actual: "
-                            << PrintToString(s1)
-                            << " vs " << PrintToString(s2);
-}
-
-// Compares two C strings, ignoring case.  Returns true if and only if they have
-// the same content.
-//
-// Unlike strcasecmp(), this function can handle NULL argument(s).  A
-// NULL C string is considered different to any non-NULL C string,
-// including the empty string.
-bool String::CaseInsensitiveCStringEquals(const char * lhs, const char * rhs) {
-  if (lhs == nullptr) return rhs == nullptr;
-  if (rhs == nullptr) return false;
-  return posix::StrCaseCmp(lhs, rhs) == 0;
-}
-
-// Compares two wide C strings, ignoring case.  Returns true if and only if they
-// have the same content.
-//
-// Unlike wcscasecmp(), this function can handle NULL argument(s).
-// A NULL C string is considered different to any non-NULL wide C string,
-// including the empty string.
-// NB: The implementations on different platforms slightly differ.
-// On windows, this method uses _wcsicmp which compares according to LC_CTYPE
-// environment variable. On GNU platform this method uses wcscasecmp
-// which compares according to LC_CTYPE category of the current locale.
-// On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
-// current locale.
-bool String::CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
-                                              const wchar_t* rhs) {
-  if (lhs == nullptr) return rhs == nullptr;
-
-  if (rhs == nullptr) return false;
-
-#if GTEST_OS_WINDOWS
-  return _wcsicmp(lhs, rhs) == 0;
-#elif GTEST_OS_LINUX && !GTEST_OS_LINUX_ANDROID
-  return wcscasecmp(lhs, rhs) == 0;
-#else
-  // Android, Mac OS X and Cygwin don't define wcscasecmp.
-  // Other unknown OSes may not define it either.
-  wint_t left, right;
-  do {
-    left = towlower(static_cast<wint_t>(*lhs++));
-    right = towlower(static_cast<wint_t>(*rhs++));
-  } while (left && left == right);
-  return left == right;
-#endif  // OS selector
-}
-
-// Returns true if and only if str ends with the given suffix, ignoring case.
-// Any string is considered to end with an empty suffix.
-bool String::EndsWithCaseInsensitive(
-    const std::string& str, const std::string& suffix) {
-  const size_t str_len = str.length();
-  const size_t suffix_len = suffix.length();
-  return (str_len >= suffix_len) &&
-         CaseInsensitiveCStringEquals(str.c_str() + str_len - suffix_len,
-                                      suffix.c_str());
-}
-
-// Formats an int value as "%02d".
-std::string String::FormatIntWidth2(int value) {
-  return FormatIntWidthN(value, 2);
-}
-
-// Formats an int value to given width with leading zeros.
-std::string String::FormatIntWidthN(int value, int width) {
-  std::stringstream ss;
-  ss << std::setfill('0') << std::setw(width) << value;
-  return ss.str();
-}
-
-// Formats an int value as "%X".
-std::string String::FormatHexUInt32(uint32_t value) {
-  std::stringstream ss;
-  ss << std::hex << std::uppercase << value;
-  return ss.str();
-}
-
-// Formats an int value as "%X".
-std::string String::FormatHexInt(int value) {
-  return FormatHexUInt32(static_cast<uint32_t>(value));
-}
-
-// Formats a byte as "%02X".
-std::string String::FormatByte(unsigned char value) {
-  std::stringstream ss;
-  ss << std::setfill('0') << std::setw(2) << std::hex << std::uppercase
-     << static_cast<unsigned int>(value);
-  return ss.str();
-}
-
-// Converts the buffer in a stringstream to an std::string, converting NUL
-// bytes to "\\0" along the way.
-std::string StringStreamToString(::std::stringstream* ss) {
-  const ::std::string& str = ss->str();
-  const char* const start = str.c_str();
-  const char* const end = start + str.length();
-
-  std::string result;
-  result.reserve(static_cast<size_t>(2 * (end - start)));
-  for (const char* ch = start; ch != end; ++ch) {
-    if (*ch == '\0') {
-      result += "\\0";  // Replaces NUL with "\\0";
-    } else {
-      result += *ch;
-    }
-  }
-
-  return result;
-}
-
-// Appends the user-supplied message to the Google-Test-generated message.
-std::string AppendUserMessage(const std::string& gtest_msg,
-                              const Message& user_msg) {
-  // Appends the user message if it's non-empty.
-  const std::string user_msg_string = user_msg.GetString();
-  if (user_msg_string.empty()) {
-    return gtest_msg;
-  }
-  if (gtest_msg.empty()) {
-    return user_msg_string;
-  }
-  return gtest_msg + "\n" + user_msg_string;
-}
-
-}  // namespace internal
-
-// class TestResult
-
-// Creates an empty TestResult.
-TestResult::TestResult()
-    : death_test_count_(0), start_timestamp_(0), elapsed_time_(0) {}
-
-// D'tor.
-TestResult::~TestResult() {
-}
-
-// Returns the i-th test part result among all the results. i can
-// range from 0 to total_part_count() - 1. If i is not in that range,
-// aborts the program.
-const TestPartResult& TestResult::GetTestPartResult(int i) const {
-  if (i < 0 || i >= total_part_count())
-    internal::posix::Abort();
-  return test_part_results_.at(static_cast<size_t>(i));
-}
-
-// Returns the i-th test property. i can range from 0 to
-// test_property_count() - 1. If i is not in that range, aborts the
-// program.
-const TestProperty& TestResult::GetTestProperty(int i) const {
-  if (i < 0 || i >= test_property_count())
-    internal::posix::Abort();
-  return test_properties_.at(static_cast<size_t>(i));
-}
-
-// Clears the test part results.
-void TestResult::ClearTestPartResults() {
-  test_part_results_.clear();
-}
-
-// Adds a test part result to the list.
-void TestResult::AddTestPartResult(const TestPartResult& test_part_result) {
-  test_part_results_.push_back(test_part_result);
-}
-
-// Adds a test property to the list. If a property with the same key as the
-// supplied property is already represented, the value of this test_property
-// replaces the old value for that key.
-void TestResult::RecordProperty(const std::string& xml_element,
-                                const TestProperty& test_property) {
-  if (!ValidateTestProperty(xml_element, test_property)) {
-    return;
-  }
-  internal::MutexLock lock(&test_properties_mutex_);
-  const std::vector<TestProperty>::iterator property_with_matching_key =
-      std::find_if(test_properties_.begin(), test_properties_.end(),
-                   internal::TestPropertyKeyIs(test_property.key()));
-  if (property_with_matching_key == test_properties_.end()) {
-    test_properties_.push_back(test_property);
-    return;
-  }
-  property_with_matching_key->SetValue(test_property.value());
-}
-
-// The list of reserved attributes used in the <testsuites> element of XML
-// output.
-static const char* const kReservedTestSuitesAttributes[] = {
-  "disabled",
-  "errors",
-  "failures",
-  "name",
-  "random_seed",
-  "tests",
-  "time",
-  "timestamp"
-};
-
-// The list of reserved attributes used in the <testsuite> element of XML
-// output.
-static const char* const kReservedTestSuiteAttributes[] = {
-    "disabled", "errors", "failures",  "name",
-    "tests",    "time",   "timestamp", "skipped"};
-
-// The list of reserved attributes used in the <testcase> element of XML output.
-static const char* const kReservedTestCaseAttributes[] = {
-    "classname",   "name", "status", "time",  "type_param",
-    "value_param", "file", "line"};
-
-// Use a slightly different set for allowed output to ensure existing tests can
-// still RecordProperty("result") or "RecordProperty(timestamp")
-static const char* const kReservedOutputTestCaseAttributes[] = {
-    "classname",   "name", "status", "time",   "type_param",
-    "value_param", "file", "line",   "result", "timestamp"};
-
-template <size_t kSize>
-std::vector<std::string> ArrayAsVector(const char* const (&array)[kSize]) {
-  return std::vector<std::string>(array, array + kSize);
-}
-
-static std::vector<std::string> GetReservedAttributesForElement(
-    const std::string& xml_element) {
-  if (xml_element == "testsuites") {
-    return ArrayAsVector(kReservedTestSuitesAttributes);
-  } else if (xml_element == "testsuite") {
-    return ArrayAsVector(kReservedTestSuiteAttributes);
-  } else if (xml_element == "testcase") {
-    return ArrayAsVector(kReservedTestCaseAttributes);
-  } else {
-    GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element;
-  }
-  // This code is unreachable but some compilers may not realizes that.
-  return std::vector<std::string>();
-}
-
-// TODO(jdesprez): Merge the two getReserved attributes once skip is improved
-static std::vector<std::string> GetReservedOutputAttributesForElement(
-    const std::string& xml_element) {
-  if (xml_element == "testsuites") {
-    return ArrayAsVector(kReservedTestSuitesAttributes);
-  } else if (xml_element == "testsuite") {
-    return ArrayAsVector(kReservedTestSuiteAttributes);
-  } else if (xml_element == "testcase") {
-    return ArrayAsVector(kReservedOutputTestCaseAttributes);
-  } else {
-    GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element;
-  }
-  // This code is unreachable but some compilers may not realizes that.
-  return std::vector<std::string>();
-}
-
-static std::string FormatWordList(const std::vector<std::string>& words) {
-  Message word_list;
-  for (size_t i = 0; i < words.size(); ++i) {
-    if (i > 0 && words.size() > 2) {
-      word_list << ", ";
-    }
-    if (i == words.size() - 1) {
-      word_list << "and ";
-    }
-    word_list << "'" << words[i] << "'";
-  }
-  return word_list.GetString();
-}
-
-static bool ValidateTestPropertyName(
-    const std::string& property_name,
-    const std::vector<std::string>& reserved_names) {
-  if (std::find(reserved_names.begin(), reserved_names.end(), property_name) !=
-          reserved_names.end()) {
-    ADD_FAILURE() << "Reserved key used in RecordProperty(): " << property_name
-                  << " (" << FormatWordList(reserved_names)
-                  << " are reserved by " << GTEST_NAME_ << ")";
-    return false;
-  }
-  return true;
-}
-
-// Adds a failure if the key is a reserved attribute of the element named
-// xml_element.  Returns true if the property is valid.
-bool TestResult::ValidateTestProperty(const std::string& xml_element,
-                                      const TestProperty& test_property) {
-  return ValidateTestPropertyName(test_property.key(),
-                                  GetReservedAttributesForElement(xml_element));
-}
-
-// Clears the object.
-void TestResult::Clear() {
-  test_part_results_.clear();
-  test_properties_.clear();
-  death_test_count_ = 0;
-  elapsed_time_ = 0;
-}
-
-// Returns true off the test part was skipped.
-static bool TestPartSkipped(const TestPartResult& result) {
-  return result.skipped();
-}
-
-// Returns true if and only if the test was skipped.
-bool TestResult::Skipped() const {
-  return !Failed() && CountIf(test_part_results_, TestPartSkipped) > 0;
-}
-
-// Returns true if and only if the test failed.
-bool TestResult::Failed() const {
-  for (int i = 0; i < total_part_count(); ++i) {
-    if (GetTestPartResult(i).failed())
-      return true;
-  }
-  return false;
-}
-
-// Returns true if and only if the test part fatally failed.
-static bool TestPartFatallyFailed(const TestPartResult& result) {
-  return result.fatally_failed();
-}
-
-// Returns true if and only if the test fatally failed.
-bool TestResult::HasFatalFailure() const {
-  return CountIf(test_part_results_, TestPartFatallyFailed) > 0;
-}
-
-// Returns true if and only if the test part non-fatally failed.
-static bool TestPartNonfatallyFailed(const TestPartResult& result) {
-  return result.nonfatally_failed();
-}
-
-// Returns true if and only if the test has a non-fatal failure.
-bool TestResult::HasNonfatalFailure() const {
-  return CountIf(test_part_results_, TestPartNonfatallyFailed) > 0;
-}
-
-// Gets the number of all test parts.  This is the sum of the number
-// of successful test parts and the number of failed test parts.
-int TestResult::total_part_count() const {
-  return static_cast<int>(test_part_results_.size());
-}
-
-// Returns the number of the test properties.
-int TestResult::test_property_count() const {
-  return static_cast<int>(test_properties_.size());
-}
-
-// class Test
-
-// Creates a Test object.
-
-// The c'tor saves the states of all flags.
-Test::Test()
-    : gtest_flag_saver_(new GTEST_FLAG_SAVER_) {
-}
-
-// The d'tor restores the states of all flags.  The actual work is
-// done by the d'tor of the gtest_flag_saver_ field, and thus not
-// visible here.
-Test::~Test() {
-}
-
-// Sets up the test fixture.
-//
-// A sub-class may override this.
-void Test::SetUp() {
-}
-
-// Tears down the test fixture.
-//
-// A sub-class may override this.
-void Test::TearDown() {
-}
-
-// Allows user supplied key value pairs to be recorded for later output.
-void Test::RecordProperty(const std::string& key, const std::string& value) {
-  UnitTest::GetInstance()->RecordProperty(key, value);
-}
-
-// Allows user supplied key value pairs to be recorded for later output.
-void Test::RecordProperty(const std::string& key, int value) {
-  Message value_message;
-  value_message << value;
-  RecordProperty(key, value_message.GetString().c_str());
-}
-
-namespace internal {
-
-void ReportFailureInUnknownLocation(TestPartResult::Type result_type,
-                                    const std::string& message) {
-  // This function is a friend of UnitTest and as such has access to
-  // AddTestPartResult.
-  UnitTest::GetInstance()->AddTestPartResult(
-      result_type,
-      nullptr,  // No info about the source file where the exception occurred.
-      -1,       // We have no info on which line caused the exception.
-      message,
-      "");  // No stack trace, either.
-}
-
-}  // namespace internal
-
-// Google Test requires all tests in the same test suite to use the same test
-// fixture class.  This function checks if the current test has the
-// same fixture class as the first test in the current test suite.  If
-// yes, it returns true; otherwise it generates a Google Test failure and
-// returns false.
-bool Test::HasSameFixtureClass() {
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  const TestSuite* const test_suite = impl->current_test_suite();
-
-  // Info about the first test in the current test suite.
-  const TestInfo* const first_test_info = test_suite->test_info_list()[0];
-  const internal::TypeId first_fixture_id = first_test_info->fixture_class_id_;
-  const char* const first_test_name = first_test_info->name();
-
-  // Info about the current test.
-  const TestInfo* const this_test_info = impl->current_test_info();
-  const internal::TypeId this_fixture_id = this_test_info->fixture_class_id_;
-  const char* const this_test_name = this_test_info->name();
-
-  if (this_fixture_id != first_fixture_id) {
-    // Is the first test defined using TEST?
-    const bool first_is_TEST = first_fixture_id == internal::GetTestTypeId();
-    // Is this test defined using TEST?
-    const bool this_is_TEST = this_fixture_id == internal::GetTestTypeId();
-
-    if (first_is_TEST || this_is_TEST) {
-      // Both TEST and TEST_F appear in same test suite, which is incorrect.
-      // Tell the user how to fix this.
-
-      // Gets the name of the TEST and the name of the TEST_F.  Note
-      // that first_is_TEST and this_is_TEST cannot both be true, as
-      // the fixture IDs are different for the two tests.
-      const char* const TEST_name =
-          first_is_TEST ? first_test_name : this_test_name;
-      const char* const TEST_F_name =
-          first_is_TEST ? this_test_name : first_test_name;
-
-      ADD_FAILURE()
-          << "All tests in the same test suite must use the same test fixture\n"
-          << "class, so mixing TEST_F and TEST in the same test suite is\n"
-          << "illegal.  In test suite " << this_test_info->test_suite_name()
-          << ",\n"
-          << "test " << TEST_F_name << " is defined using TEST_F but\n"
-          << "test " << TEST_name << " is defined using TEST.  You probably\n"
-          << "want to change the TEST to TEST_F or move it to another test\n"
-          << "case.";
-    } else {
-      // Two fixture classes with the same name appear in two different
-      // namespaces, which is not allowed. Tell the user how to fix this.
-      ADD_FAILURE()
-          << "All tests in the same test suite must use the same test fixture\n"
-          << "class.  However, in test suite "
-          << this_test_info->test_suite_name() << ",\n"
-          << "you defined test " << first_test_name << " and test "
-          << this_test_name << "\n"
-          << "using two different test fixture classes.  This can happen if\n"
-          << "the two classes are from different namespaces or translation\n"
-          << "units and have the same name.  You should probably rename one\n"
-          << "of the classes to put the tests into different test suites.";
-    }
-    return false;
-  }
-
-  return true;
-}
-
-#if GTEST_HAS_SEH
-
-// Adds an "exception thrown" fatal failure to the current test.  This
-// function returns its result via an output parameter pointer because VC++
-// prohibits creation of objects with destructors on stack in functions
-// using __try (see error C2712).
-static std::string* FormatSehExceptionMessage(DWORD exception_code,
-                                              const char* location) {
-  Message message;
-  message << "SEH exception with code 0x" << std::setbase(16) <<
-    exception_code << std::setbase(10) << " thrown in " << location << ".";
-
-  return new std::string(message.GetString());
-}
-
-#endif  // GTEST_HAS_SEH
-
-namespace internal {
-
-#if GTEST_HAS_EXCEPTIONS
-
-// Adds an "exception thrown" fatal failure to the current test.
-static std::string FormatCxxExceptionMessage(const char* description,
-                                             const char* location) {
-  Message message;
-  if (description != nullptr) {
-    message << "C++ exception with description \"" << description << "\"";
-  } else {
-    message << "Unknown C++ exception";
-  }
-  message << " thrown in " << location << ".";
-
-  return message.GetString();
-}
-
-static std::string PrintTestPartResultToString(
-    const TestPartResult& test_part_result);
-
-GoogleTestFailureException::GoogleTestFailureException(
-    const TestPartResult& failure)
-    : ::std::runtime_error(PrintTestPartResultToString(failure).c_str()) {}
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-// We put these helper functions in the internal namespace as IBM's xlC
-// compiler rejects the code if they were declared static.
-
-// Runs the given method and handles SEH exceptions it throws, when
-// SEH is supported; returns the 0-value for type Result in case of an
-// SEH exception.  (Microsoft compilers cannot handle SEH and C++
-// exceptions in the same function.  Therefore, we provide a separate
-// wrapper function for handling SEH exceptions.)
-template <class T, typename Result>
-Result HandleSehExceptionsInMethodIfSupported(
-    T* object, Result (T::*method)(), const char* location) {
-#if GTEST_HAS_SEH
-  __try {
-    return (object->*method)();
-  } __except (internal::UnitTestOptions::GTestShouldProcessSEH(  // NOLINT
-      GetExceptionCode())) {
-    // We create the exception message on the heap because VC++ prohibits
-    // creation of objects with destructors on stack in functions using __try
-    // (see error C2712).
-    std::string* exception_message = FormatSehExceptionMessage(
-        GetExceptionCode(), location);
-    internal::ReportFailureInUnknownLocation(TestPartResult::kFatalFailure,
-                                             *exception_message);
-    delete exception_message;
-    return static_cast<Result>(0);
-  }
-#else
-  (void)location;
-  return (object->*method)();
-#endif  // GTEST_HAS_SEH
-}
-
-// Runs the given method and catches and reports C++ and/or SEH-style
-// exceptions, if they are supported; returns the 0-value for type
-// Result in case of an SEH exception.
-template <class T, typename Result>
-Result HandleExceptionsInMethodIfSupported(
-    T* object, Result (T::*method)(), const char* location) {
-  // NOTE: The user code can affect the way in which Google Test handles
-  // exceptions by setting GTEST_FLAG(catch_exceptions), but only before
-  // RUN_ALL_TESTS() starts. It is technically possible to check the flag
-  // after the exception is caught and either report or re-throw the
-  // exception based on the flag's value:
-  //
-  // try {
-  //   // Perform the test method.
-  // } catch (...) {
-  //   if (GTEST_FLAG(catch_exceptions))
-  //     // Report the exception as failure.
-  //   else
-  //     throw;  // Re-throws the original exception.
-  // }
-  //
-  // However, the purpose of this flag is to allow the program to drop into
-  // the debugger when the exception is thrown. On most platforms, once the
-  // control enters the catch block, the exception origin information is
-  // lost and the debugger will stop the program at the point of the
-  // re-throw in this function -- instead of at the point of the original
-  // throw statement in the code under test.  For this reason, we perform
-  // the check early, sacrificing the ability to affect Google Test's
-  // exception handling in the method where the exception is thrown.
-  if (internal::GetUnitTestImpl()->catch_exceptions()) {
-#if GTEST_HAS_EXCEPTIONS
-    try {
-      return HandleSehExceptionsInMethodIfSupported(object, method, location);
-    } catch (const AssertionException&) {  // NOLINT
-      // This failure was reported already.
-    } catch (const internal::GoogleTestFailureException&) {  // NOLINT
-      // This exception type can only be thrown by a failed Google
-      // Test assertion with the intention of letting another testing
-      // framework catch it.  Therefore we just re-throw it.
-      throw;
-    } catch (const std::exception& e) {  // NOLINT
-      internal::ReportFailureInUnknownLocation(
-          TestPartResult::kFatalFailure,
-          FormatCxxExceptionMessage(e.what(), location));
-    } catch (...) {  // NOLINT
-      internal::ReportFailureInUnknownLocation(
-          TestPartResult::kFatalFailure,
-          FormatCxxExceptionMessage(nullptr, location));
-    }
-    return static_cast<Result>(0);
-#else
-    return HandleSehExceptionsInMethodIfSupported(object, method, location);
-#endif  // GTEST_HAS_EXCEPTIONS
-  } else {
-    return (object->*method)();
-  }
-}
-
-}  // namespace internal
-
-// Runs the test and updates the test result.
-void Test::Run() {
-  if (!HasSameFixtureClass()) return;
-
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  impl->os_stack_trace_getter()->UponLeavingGTest();
-  internal::HandleExceptionsInMethodIfSupported(this, &Test::SetUp, "SetUp()");
-  // We will run the test only if SetUp() was successful and didn't call
-  // GTEST_SKIP().
-  if (!HasFatalFailure() && !IsSkipped()) {
-    impl->os_stack_trace_getter()->UponLeavingGTest();
-    internal::HandleExceptionsInMethodIfSupported(
-        this, &Test::TestBody, "the test body");
-  }
-
-  // However, we want to clean up as much as possible.  Hence we will
-  // always call TearDown(), even if SetUp() or the test body has
-  // failed.
-  impl->os_stack_trace_getter()->UponLeavingGTest();
-  internal::HandleExceptionsInMethodIfSupported(
-      this, &Test::TearDown, "TearDown()");
-}
-
-// Returns true if and only if the current test has a fatal failure.
-bool Test::HasFatalFailure() {
-  return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure();
-}
-
-// Returns true if and only if the current test has a non-fatal failure.
-bool Test::HasNonfatalFailure() {
-  return internal::GetUnitTestImpl()->current_test_result()->
-      HasNonfatalFailure();
-}
-
-// Returns true if and only if the current test was skipped.
-bool Test::IsSkipped() {
-  return internal::GetUnitTestImpl()->current_test_result()->Skipped();
-}
-
-// class TestInfo
-
-// Constructs a TestInfo object. It assumes ownership of the test factory
-// object.
-TestInfo::TestInfo(const std::string& a_test_suite_name,
-                   const std::string& a_name, const char* a_type_param,
-                   const char* a_value_param,
-                   internal::CodeLocation a_code_location,
-                   internal::TypeId fixture_class_id,
-                   internal::TestFactoryBase* factory)
-    : test_suite_name_(a_test_suite_name),
-      name_(a_name),
-      type_param_(a_type_param ? new std::string(a_type_param) : nullptr),
-      value_param_(a_value_param ? new std::string(a_value_param) : nullptr),
-      location_(a_code_location),
-      fixture_class_id_(fixture_class_id),
-      should_run_(false),
-      is_disabled_(false),
-      matches_filter_(false),
-      is_in_another_shard_(false),
-      factory_(factory),
-      result_() {}
-
-// Destructs a TestInfo object.
-TestInfo::~TestInfo() { delete factory_; }
-
-namespace internal {
-
-// Creates a new TestInfo object and registers it with Google Test;
-// returns the created object.
-//
-// Arguments:
-//
-//   test_suite_name:  name of the test suite
-//   name:             name of the test
-//   type_param:       the name of the test's type parameter, or NULL if
-//                     this is not a typed or a type-parameterized test.
-//   value_param:      text representation of the test's value parameter,
-//                     or NULL if this is not a value-parameterized test.
-//   code_location:    code location where the test is defined
-//   fixture_class_id: ID of the test fixture class
-//   set_up_tc:        pointer to the function that sets up the test suite
-//   tear_down_tc:     pointer to the function that tears down the test suite
-//   factory:          pointer to the factory that creates a test object.
-//                     The newly created TestInfo instance will assume
-//                     ownership of the factory object.
-TestInfo* MakeAndRegisterTestInfo(
-    const char* test_suite_name, const char* name, const char* type_param,
-    const char* value_param, CodeLocation code_location,
-    TypeId fixture_class_id, SetUpTestSuiteFunc set_up_tc,
-    TearDownTestSuiteFunc tear_down_tc, TestFactoryBase* factory) {
-  TestInfo* const test_info =
-      new TestInfo(test_suite_name, name, type_param, value_param,
-                   code_location, fixture_class_id, factory);
-  GetUnitTestImpl()->AddTestInfo(set_up_tc, tear_down_tc, test_info);
-  return test_info;
-}
-
-void ReportInvalidTestSuiteType(const char* test_suite_name,
-                                CodeLocation code_location) {
-  Message errors;
-  errors
-      << "Attempted redefinition of test suite " << test_suite_name << ".\n"
-      << "All tests in the same test suite must use the same test fixture\n"
-      << "class.  However, in test suite " << test_suite_name << ", you tried\n"
-      << "to define a test using a fixture class different from the one\n"
-      << "used earlier. This can happen if the two fixture classes are\n"
-      << "from different namespaces and have the same name. You should\n"
-      << "probably rename one of the classes to put the tests into different\n"
-      << "test suites.";
-
-  GTEST_LOG_(ERROR) << FormatFileLocation(code_location.file.c_str(),
-                                          code_location.line)
-                    << " " << errors.GetString();
-}
-}  // namespace internal
-
-namespace {
-
-// A predicate that checks the test name of a TestInfo against a known
-// value.
-//
-// This is used for implementation of the TestSuite class only.  We put
-// it in the anonymous namespace to prevent polluting the outer
-// namespace.
-//
-// TestNameIs is copyable.
-class TestNameIs {
- public:
-  // Constructor.
-  //
-  // TestNameIs has NO default constructor.
-  explicit TestNameIs(const char* name)
-      : name_(name) {}
-
-  // Returns true if and only if the test name of test_info matches name_.
-  bool operator()(const TestInfo * test_info) const {
-    return test_info && test_info->name() == name_;
-  }
-
- private:
-  std::string name_;
-};
-
-}  // namespace
-
-namespace internal {
-
-// This method expands all parameterized tests registered with macros TEST_P
-// and INSTANTIATE_TEST_SUITE_P into regular tests and registers those.
-// This will be done just once during the program runtime.
-void UnitTestImpl::RegisterParameterizedTests() {
-  if (!parameterized_tests_registered_) {
-    parameterized_test_registry_.RegisterTests();
-    type_parameterized_test_registry_.CheckForInstantiations();
-    parameterized_tests_registered_ = true;
-  }
-}
-
-}  // namespace internal
-
-// Creates the test object, runs it, records its result, and then
-// deletes it.
-void TestInfo::Run() {
-  if (!should_run_) return;
-
-  // Tells UnitTest where to store test result.
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  impl->set_current_test_info(this);
-
-  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
-
-  // Notifies the unit test event listeners that a test is about to start.
-  repeater->OnTestStart(*this);
-
-  result_.set_start_timestamp(internal::GetTimeInMillis());
-  internal::Timer timer;
-
-  impl->os_stack_trace_getter()->UponLeavingGTest();
-
-  // Creates the test object.
-  Test* const test = internal::HandleExceptionsInMethodIfSupported(
-      factory_, &internal::TestFactoryBase::CreateTest,
-      "the test fixture's constructor");
-
-  // Runs the test if the constructor didn't generate a fatal failure or invoke
-  // GTEST_SKIP().
-  // Note that the object will not be null
-  if (!Test::HasFatalFailure() && !Test::IsSkipped()) {
-    // This doesn't throw as all user code that can throw are wrapped into
-    // exception handling code.
-    test->Run();
-  }
-
-  if (test != nullptr) {
-    // Deletes the test object.
-    impl->os_stack_trace_getter()->UponLeavingGTest();
-    internal::HandleExceptionsInMethodIfSupported(
-        test, &Test::DeleteSelf_, "the test fixture's destructor");
-  }
-
-  result_.set_elapsed_time(timer.Elapsed());
-
-  // Notifies the unit test event listener that a test has just finished.
-  repeater->OnTestEnd(*this);
-
-  // Tells UnitTest to stop associating assertion results to this
-  // test.
-  impl->set_current_test_info(nullptr);
-}
-
-// Skip and records a skipped test result for this object.
-void TestInfo::Skip() {
-  if (!should_run_) return;
-
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  impl->set_current_test_info(this);
-
-  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
-
-  // Notifies the unit test event listeners that a test is about to start.
-  repeater->OnTestStart(*this);
-
-  const TestPartResult test_part_result =
-      TestPartResult(TestPartResult::kSkip, this->file(), this->line(), "");
-  impl->GetTestPartResultReporterForCurrentThread()->ReportTestPartResult(
-      test_part_result);
-
-  // Notifies the unit test event listener that a test has just finished.
-  repeater->OnTestEnd(*this);
-  impl->set_current_test_info(nullptr);
-}
-
-// class TestSuite
-
-// Gets the number of successful tests in this test suite.
-int TestSuite::successful_test_count() const {
-  return CountIf(test_info_list_, TestPassed);
-}
-
-// Gets the number of successful tests in this test suite.
-int TestSuite::skipped_test_count() const {
-  return CountIf(test_info_list_, TestSkipped);
-}
-
-// Gets the number of failed tests in this test suite.
-int TestSuite::failed_test_count() const {
-  return CountIf(test_info_list_, TestFailed);
-}
-
-// Gets the number of disabled tests that will be reported in the XML report.
-int TestSuite::reportable_disabled_test_count() const {
-  return CountIf(test_info_list_, TestReportableDisabled);
-}
-
-// Gets the number of disabled tests in this test suite.
-int TestSuite::disabled_test_count() const {
-  return CountIf(test_info_list_, TestDisabled);
-}
-
-// Gets the number of tests to be printed in the XML report.
-int TestSuite::reportable_test_count() const {
-  return CountIf(test_info_list_, TestReportable);
-}
-
-// Get the number of tests in this test suite that should run.
-int TestSuite::test_to_run_count() const {
-  return CountIf(test_info_list_, ShouldRunTest);
-}
-
-// Gets the number of all tests.
-int TestSuite::total_test_count() const {
-  return static_cast<int>(test_info_list_.size());
-}
-
-// Creates a TestSuite with the given name.
-//
-// Arguments:
-//
-//   a_name:       name of the test suite
-//   a_type_param: the name of the test suite's type parameter, or NULL if
-//                 this is not a typed or a type-parameterized test suite.
-//   set_up_tc:    pointer to the function that sets up the test suite
-//   tear_down_tc: pointer to the function that tears down the test suite
-TestSuite::TestSuite(const char* a_name, const char* a_type_param,
-                     internal::SetUpTestSuiteFunc set_up_tc,
-                     internal::TearDownTestSuiteFunc tear_down_tc)
-    : name_(a_name),
-      type_param_(a_type_param ? new std::string(a_type_param) : nullptr),
-      set_up_tc_(set_up_tc),
-      tear_down_tc_(tear_down_tc),
-      should_run_(false),
-      start_timestamp_(0),
-      elapsed_time_(0) {}
-
-// Destructor of TestSuite.
-TestSuite::~TestSuite() {
-  // Deletes every Test in the collection.
-  ForEach(test_info_list_, internal::Delete<TestInfo>);
-}
-
-// Returns the i-th test among all the tests. i can range from 0 to
-// total_test_count() - 1. If i is not in that range, returns NULL.
-const TestInfo* TestSuite::GetTestInfo(int i) const {
-  const int index = GetElementOr(test_indices_, i, -1);
-  return index < 0 ? nullptr : test_info_list_[static_cast<size_t>(index)];
-}
-
-// Returns the i-th test among all the tests. i can range from 0 to
-// total_test_count() - 1. If i is not in that range, returns NULL.
-TestInfo* TestSuite::GetMutableTestInfo(int i) {
-  const int index = GetElementOr(test_indices_, i, -1);
-  return index < 0 ? nullptr : test_info_list_[static_cast<size_t>(index)];
-}
-
-// Adds a test to this test suite.  Will delete the test upon
-// destruction of the TestSuite object.
-void TestSuite::AddTestInfo(TestInfo* test_info) {
-  test_info_list_.push_back(test_info);
-  test_indices_.push_back(static_cast<int>(test_indices_.size()));
-}
-
-// Runs every test in this TestSuite.
-void TestSuite::Run() {
-  if (!should_run_) return;
-
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  impl->set_current_test_suite(this);
-
-  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
-
-  // Call both legacy and the new API
-  repeater->OnTestSuiteStart(*this);
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  repeater->OnTestCaseStart(*this);
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  impl->os_stack_trace_getter()->UponLeavingGTest();
-  internal::HandleExceptionsInMethodIfSupported(
-      this, &TestSuite::RunSetUpTestSuite, "SetUpTestSuite()");
-
-  start_timestamp_ = internal::GetTimeInMillis();
-  internal::Timer timer;
-  for (int i = 0; i < total_test_count(); i++) {
-    GetMutableTestInfo(i)->Run();
-    if (GTEST_FLAG(fail_fast) && GetMutableTestInfo(i)->result()->Failed()) {
-      for (int j = i + 1; j < total_test_count(); j++) {
-        GetMutableTestInfo(j)->Skip();
-      }
-      break;
-    }
-  }
-  elapsed_time_ = timer.Elapsed();
-
-  impl->os_stack_trace_getter()->UponLeavingGTest();
-  internal::HandleExceptionsInMethodIfSupported(
-      this, &TestSuite::RunTearDownTestSuite, "TearDownTestSuite()");
-
-  // Call both legacy and the new API
-  repeater->OnTestSuiteEnd(*this);
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  repeater->OnTestCaseEnd(*this);
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  impl->set_current_test_suite(nullptr);
-}
-
-// Skips all tests under this TestSuite.
-void TestSuite::Skip() {
-  if (!should_run_) return;
-
-  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
-  impl->set_current_test_suite(this);
-
-  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
-
-  // Call both legacy and the new API
-  repeater->OnTestSuiteStart(*this);
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  repeater->OnTestCaseStart(*this);
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  for (int i = 0; i < total_test_count(); i++) {
-    GetMutableTestInfo(i)->Skip();
-  }
-
-  // Call both legacy and the new API
-  repeater->OnTestSuiteEnd(*this);
-  // Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  repeater->OnTestCaseEnd(*this);
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  impl->set_current_test_suite(nullptr);
-}
-
-// Clears the results of all tests in this test suite.
-void TestSuite::ClearResult() {
-  ad_hoc_test_result_.Clear();
-  ForEach(test_info_list_, TestInfo::ClearTestResult);
-}
-
-// Shuffles the tests in this test suite.
-void TestSuite::ShuffleTests(internal::Random* random) {
-  Shuffle(random, &test_indices_);
-}
-
-// Restores the test order to before the first shuffle.
-void TestSuite::UnshuffleTests() {
-  for (size_t i = 0; i < test_indices_.size(); i++) {
-    test_indices_[i] = static_cast<int>(i);
-  }
-}
-
-// Formats a countable noun.  Depending on its quantity, either the
-// singular form or the plural form is used. e.g.
-//
-// FormatCountableNoun(1, "formula", "formuli") returns "1 formula".
-// FormatCountableNoun(5, "book", "books") returns "5 books".
-static std::string FormatCountableNoun(int count,
-                                       const char * singular_form,
-                                       const char * plural_form) {
-  return internal::StreamableToString(count) + " " +
-      (count == 1 ? singular_form : plural_form);
-}
-
-// Formats the count of tests.
-static std::string FormatTestCount(int test_count) {
-  return FormatCountableNoun(test_count, "test", "tests");
-}
-
-// Formats the count of test suites.
-static std::string FormatTestSuiteCount(int test_suite_count) {
-  return FormatCountableNoun(test_suite_count, "test suite", "test suites");
-}
-
-// Converts a TestPartResult::Type enum to human-friendly string
-// representation.  Both kNonFatalFailure and kFatalFailure are translated
-// to "Failure", as the user usually doesn't care about the difference
-// between the two when viewing the test result.
-static const char * TestPartResultTypeToString(TestPartResult::Type type) {
-  switch (type) {
-    case TestPartResult::kSkip:
-      return "Skipped\n";
-    case TestPartResult::kSuccess:
-      return "Success";
-
-    case TestPartResult::kNonFatalFailure:
-    case TestPartResult::kFatalFailure:
-#ifdef _MSC_VER
-      return "error: ";
-#else
-      return "Failure\n";
-#endif
-    default:
-      return "Unknown result type";
-  }
-}
-
-namespace internal {
-namespace {
-enum class GTestColor { kDefault, kRed, kGreen, kYellow };
-}  // namespace
-
-// Prints a TestPartResult to an std::string.
-static std::string PrintTestPartResultToString(
-    const TestPartResult& test_part_result) {
-  return (Message()
-          << internal::FormatFileLocation(test_part_result.file_name(),
-                                          test_part_result.line_number())
-          << " " << TestPartResultTypeToString(test_part_result.type())
-          << test_part_result.message()).GetString();
-}
-
-// Prints a TestPartResult.
-static void PrintTestPartResult(const TestPartResult& test_part_result) {
-  const std::string& result =
-      PrintTestPartResultToString(test_part_result);
-  printf("%s\n", result.c_str());
-  fflush(stdout);
-  // If the test program runs in Visual Studio or a debugger, the
-  // following statements add the test part result message to the Output
-  // window such that the user can double-click on it to jump to the
-  // corresponding source code location; otherwise they do nothing.
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
-  // We don't call OutputDebugString*() on Windows Mobile, as printing
-  // to stdout is done by OutputDebugString() there already - we don't
-  // want the same message printed twice.
-  ::OutputDebugStringA(result.c_str());
-  ::OutputDebugStringA("\n");
-#endif
-}
-
-// class PrettyUnitTestResultPrinter
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE && \
-    !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT && !GTEST_OS_WINDOWS_MINGW
-
-// Returns the character attribute for the given color.
-static WORD GetColorAttribute(GTestColor color) {
-  switch (color) {
-    case GTestColor::kRed:
-      return FOREGROUND_RED;
-    case GTestColor::kGreen:
-      return FOREGROUND_GREEN;
-    case GTestColor::kYellow:
-      return FOREGROUND_RED | FOREGROUND_GREEN;
-    default:           return 0;
-  }
-}
-
-static int GetBitOffset(WORD color_mask) {
-  if (color_mask == 0) return 0;
-
-  int bitOffset = 0;
-  while ((color_mask & 1) == 0) {
-    color_mask >>= 1;
-    ++bitOffset;
-  }
-  return bitOffset;
-}
-
-static WORD GetNewColor(GTestColor color, WORD old_color_attrs) {
-  // Let's reuse the BG
-  static const WORD background_mask = BACKGROUND_BLUE | BACKGROUND_GREEN |
-                                      BACKGROUND_RED | BACKGROUND_INTENSITY;
-  static const WORD foreground_mask = FOREGROUND_BLUE | FOREGROUND_GREEN |
-                                      FOREGROUND_RED | FOREGROUND_INTENSITY;
-  const WORD existing_bg = old_color_attrs & background_mask;
-
-  WORD new_color =
-      GetColorAttribute(color) | existing_bg | FOREGROUND_INTENSITY;
-  static const int bg_bitOffset = GetBitOffset(background_mask);
-  static const int fg_bitOffset = GetBitOffset(foreground_mask);
-
-  if (((new_color & background_mask) >> bg_bitOffset) ==
-      ((new_color & foreground_mask) >> fg_bitOffset)) {
-    new_color ^= FOREGROUND_INTENSITY;  // invert intensity
-  }
-  return new_color;
-}
-
-#else
-
-// Returns the ANSI color code for the given color. GTestColor::kDefault is
-// an invalid input.
-static const char* GetAnsiColorCode(GTestColor color) {
-  switch (color) {
-    case GTestColor::kRed:
-      return "1";
-    case GTestColor::kGreen:
-      return "2";
-    case GTestColor::kYellow:
-      return "3";
-    default:
-      return nullptr;
-  }
-}
-
-#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
-
-// Returns true if and only if Google Test should use colors in the output.
-bool ShouldUseColor(bool stdout_is_tty) {
-  const char* const gtest_color = GTEST_FLAG(color).c_str();
-
-  if (String::CaseInsensitiveCStringEquals(gtest_color, "auto")) {
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MINGW
-    // On Windows the TERM variable is usually not set, but the
-    // console there does support colors.
-    return stdout_is_tty;
-#else
-    // On non-Windows platforms, we rely on the TERM variable.
-    const char* const term = posix::GetEnv("TERM");
-    const bool term_supports_color =
-        String::CStringEquals(term, "xterm") ||
-        String::CStringEquals(term, "xterm-color") ||
-        String::CStringEquals(term, "xterm-256color") ||
-        String::CStringEquals(term, "screen") ||
-        String::CStringEquals(term, "screen-256color") ||
-        String::CStringEquals(term, "tmux") ||
-        String::CStringEquals(term, "tmux-256color") ||
-        String::CStringEquals(term, "rxvt-unicode") ||
-        String::CStringEquals(term, "rxvt-unicode-256color") ||
-        String::CStringEquals(term, "linux") ||
-        String::CStringEquals(term, "cygwin");
-    return stdout_is_tty && term_supports_color;
-#endif  // GTEST_OS_WINDOWS
-  }
-
-  return String::CaseInsensitiveCStringEquals(gtest_color, "yes") ||
-      String::CaseInsensitiveCStringEquals(gtest_color, "true") ||
-      String::CaseInsensitiveCStringEquals(gtest_color, "t") ||
-      String::CStringEquals(gtest_color, "1");
-  // We take "yes", "true", "t", and "1" as meaning "yes".  If the
-  // value is neither one of these nor "auto", we treat it as "no" to
-  // be conservative.
-}
-
-// Helpers for printing colored strings to stdout. Note that on Windows, we
-// cannot simply emit special characters and have the terminal change colors.
-// This routine must actually emit the characters rather than return a string
-// that would be colored when printed, as can be done on Linux.
-
-GTEST_ATTRIBUTE_PRINTF_(2, 3)
-static void ColoredPrintf(GTestColor color, const char *fmt, ...) {
-  va_list args;
-  va_start(args, fmt);
-
-#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_ZOS || GTEST_OS_IOS || \
-    GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT || defined(ESP_PLATFORM)
-  const bool use_color = AlwaysFalse();
-#else
-  static const bool in_color_mode =
-      ShouldUseColor(posix::IsATTY(posix::FileNo(stdout)) != 0);
-  const bool use_color = in_color_mode && (color != GTestColor::kDefault);
-#endif  // GTEST_OS_WINDOWS_MOBILE || GTEST_OS_ZOS
-
-  if (!use_color) {
-    vprintf(fmt, args);
-    va_end(args);
-    return;
-  }
-
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE && \
-    !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT && !GTEST_OS_WINDOWS_MINGW
-  const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
-
-  // Gets the current text color.
-  CONSOLE_SCREEN_BUFFER_INFO buffer_info;
-  GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
-  const WORD old_color_attrs = buffer_info.wAttributes;
-  const WORD new_color = GetNewColor(color, old_color_attrs);
-
-  // We need to flush the stream buffers into the console before each
-  // SetConsoleTextAttribute call lest it affect the text that is already
-  // printed but has not yet reached the console.
-  fflush(stdout);
-  SetConsoleTextAttribute(stdout_handle, new_color);
-
-  vprintf(fmt, args);
-
-  fflush(stdout);
-  // Restores the text color.
-  SetConsoleTextAttribute(stdout_handle, old_color_attrs);
-#else
-  printf("\033[0;3%sm", GetAnsiColorCode(color));
-  vprintf(fmt, args);
-  printf("\033[m");  // Resets the terminal to default.
-#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
-  va_end(args);
-}
-
-// Text printed in Google Test's text output and --gtest_list_tests
-// output to label the type parameter and value parameter for a test.
-static const char kTypeParamLabel[] = "TypeParam";
-static const char kValueParamLabel[] = "GetParam()";
-
-static void PrintFullTestCommentIfPresent(const TestInfo& test_info) {
-  const char* const type_param = test_info.type_param();
-  const char* const value_param = test_info.value_param();
-
-  if (type_param != nullptr || value_param != nullptr) {
-    printf(", where ");
-    if (type_param != nullptr) {
-      printf("%s = %s", kTypeParamLabel, type_param);
-      if (value_param != nullptr) printf(" and ");
-    }
-    if (value_param != nullptr) {
-      printf("%s = %s", kValueParamLabel, value_param);
-    }
-  }
-}
-
-// This class implements the TestEventListener interface.
-//
-// Class PrettyUnitTestResultPrinter is copyable.
-class PrettyUnitTestResultPrinter : public TestEventListener {
- public:
-  PrettyUnitTestResultPrinter() {}
-  static void PrintTestName(const char* test_suite, const char* test) {
-    printf("%s.%s", test_suite, test);
-  }
-
-  // The following methods override what's in the TestEventListener class.
-  void OnTestProgramStart(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationStart(const UnitTest& unit_test, int iteration) override;
-  void OnEnvironmentsSetUpStart(const UnitTest& unit_test) override;
-  void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) override {}
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseStart(const TestCase& test_case) override;
-#else
-  void OnTestSuiteStart(const TestSuite& test_suite) override;
-#endif  // OnTestCaseStart
-
-  void OnTestStart(const TestInfo& test_info) override;
-
-  void OnTestPartResult(const TestPartResult& result) override;
-  void OnTestEnd(const TestInfo& test_info) override;
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseEnd(const TestCase& test_case) override;
-#else
-  void OnTestSuiteEnd(const TestSuite& test_suite) override;
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  void OnEnvironmentsTearDownStart(const UnitTest& unit_test) override;
-  void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
-  void OnTestProgramEnd(const UnitTest& /*unit_test*/) override {}
-
- private:
-  static void PrintFailedTests(const UnitTest& unit_test);
-  static void PrintFailedTestSuites(const UnitTest& unit_test);
-  static void PrintSkippedTests(const UnitTest& unit_test);
-};
-
-  // Fired before each iteration of tests starts.
-void PrettyUnitTestResultPrinter::OnTestIterationStart(
-    const UnitTest& unit_test, int iteration) {
-  if (GTEST_FLAG(repeat) != 1)
-    printf("\nRepeating all tests (iteration %d) . . .\n\n", iteration + 1);
-
-  const char* const filter = GTEST_FLAG(filter).c_str();
-
-  // Prints the filter if it's not *.  This reminds the user that some
-  // tests may be skipped.
-  if (!String::CStringEquals(filter, kUniversalFilter)) {
-    ColoredPrintf(GTestColor::kYellow, "Note: %s filter = %s\n", GTEST_NAME_,
-                  filter);
-  }
-
-  if (internal::ShouldShard(kTestTotalShards, kTestShardIndex, false)) {
-    const int32_t shard_index = Int32FromEnvOrDie(kTestShardIndex, -1);
-    ColoredPrintf(GTestColor::kYellow, "Note: This is test shard %d of %s.\n",
-                  static_cast<int>(shard_index) + 1,
-                  internal::posix::GetEnv(kTestTotalShards));
-  }
-
-  if (GTEST_FLAG(shuffle)) {
-    ColoredPrintf(GTestColor::kYellow,
-                  "Note: Randomizing tests' orders with a seed of %d .\n",
-                  unit_test.random_seed());
-  }
-
-  ColoredPrintf(GTestColor::kGreen, "[==========] ");
-  printf("Running %s from %s.\n",
-         FormatTestCount(unit_test.test_to_run_count()).c_str(),
-         FormatTestSuiteCount(unit_test.test_suite_to_run_count()).c_str());
-  fflush(stdout);
-}
-
-void PrettyUnitTestResultPrinter::OnEnvironmentsSetUpStart(
-    const UnitTest& /*unit_test*/) {
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("Global test environment set-up.\n");
-  fflush(stdout);
-}
-
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-void PrettyUnitTestResultPrinter::OnTestCaseStart(const TestCase& test_case) {
-  const std::string counts =
-      FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("%s from %s", counts.c_str(), test_case.name());
-  if (test_case.type_param() == nullptr) {
-    printf("\n");
-  } else {
-    printf(", where %s = %s\n", kTypeParamLabel, test_case.type_param());
-  }
-  fflush(stdout);
-}
-#else
-void PrettyUnitTestResultPrinter::OnTestSuiteStart(
-    const TestSuite& test_suite) {
-  const std::string counts =
-      FormatCountableNoun(test_suite.test_to_run_count(), "test", "tests");
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("%s from %s", counts.c_str(), test_suite.name());
-  if (test_suite.type_param() == nullptr) {
-    printf("\n");
-  } else {
-    printf(", where %s = %s\n", kTypeParamLabel, test_suite.type_param());
-  }
-  fflush(stdout);
-}
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
-  ColoredPrintf(GTestColor::kGreen, "[ RUN      ] ");
-  PrintTestName(test_info.test_suite_name(), test_info.name());
-  printf("\n");
-  fflush(stdout);
-}
-
-// Called after an assertion failure.
-void PrettyUnitTestResultPrinter::OnTestPartResult(
-    const TestPartResult& result) {
-  switch (result.type()) {
-    // If the test part succeeded, we don't need to do anything.
-    case TestPartResult::kSuccess:
-      return;
-    default:
-      // Print failure message from the assertion
-      // (e.g. expected this and got that).
-      PrintTestPartResult(result);
-      fflush(stdout);
-  }
-}
-
-void PrettyUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
-  if (test_info.result()->Passed()) {
-    ColoredPrintf(GTestColor::kGreen, "[       OK ] ");
-  } else if (test_info.result()->Skipped()) {
-    ColoredPrintf(GTestColor::kGreen, "[  SKIPPED ] ");
-  } else {
-    ColoredPrintf(GTestColor::kRed, "[  FAILED  ] ");
-  }
-  PrintTestName(test_info.test_suite_name(), test_info.name());
-  if (test_info.result()->Failed())
-    PrintFullTestCommentIfPresent(test_info);
-
-  if (GTEST_FLAG(print_time)) {
-    printf(" (%s ms)\n", internal::StreamableToString(
-           test_info.result()->elapsed_time()).c_str());
-  } else {
-    printf("\n");
-  }
-  fflush(stdout);
-}
-
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-void PrettyUnitTestResultPrinter::OnTestCaseEnd(const TestCase& test_case) {
-  if (!GTEST_FLAG(print_time)) return;
-
-  const std::string counts =
-      FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("%s from %s (%s ms total)\n\n", counts.c_str(), test_case.name(),
-         internal::StreamableToString(test_case.elapsed_time()).c_str());
-  fflush(stdout);
-}
-#else
-void PrettyUnitTestResultPrinter::OnTestSuiteEnd(const TestSuite& test_suite) {
-  if (!GTEST_FLAG(print_time)) return;
-
-  const std::string counts =
-      FormatCountableNoun(test_suite.test_to_run_count(), "test", "tests");
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("%s from %s (%s ms total)\n\n", counts.c_str(), test_suite.name(),
-         internal::StreamableToString(test_suite.elapsed_time()).c_str());
-  fflush(stdout);
-}
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-void PrettyUnitTestResultPrinter::OnEnvironmentsTearDownStart(
-    const UnitTest& /*unit_test*/) {
-  ColoredPrintf(GTestColor::kGreen, "[----------] ");
-  printf("Global test environment tear-down\n");
-  fflush(stdout);
-}
-
-// Internal helper for printing the list of failed tests.
-void PrettyUnitTestResultPrinter::PrintFailedTests(const UnitTest& unit_test) {
-  const int failed_test_count = unit_test.failed_test_count();
-  ColoredPrintf(GTestColor::kRed, "[  FAILED  ] ");
-  printf("%s, listed below:\n", FormatTestCount(failed_test_count).c_str());
-
-  for (int i = 0; i < unit_test.total_test_suite_count(); ++i) {
-    const TestSuite& test_suite = *unit_test.GetTestSuite(i);
-    if (!test_suite.should_run() || (test_suite.failed_test_count() == 0)) {
-      continue;
-    }
-    for (int j = 0; j < test_suite.total_test_count(); ++j) {
-      const TestInfo& test_info = *test_suite.GetTestInfo(j);
-      if (!test_info.should_run() || !test_info.result()->Failed()) {
-        continue;
-      }
-      ColoredPrintf(GTestColor::kRed, "[  FAILED  ] ");
-      printf("%s.%s", test_suite.name(), test_info.name());
-      PrintFullTestCommentIfPresent(test_info);
-      printf("\n");
-    }
-  }
-  printf("\n%2d FAILED %s\n", failed_test_count,
-         failed_test_count == 1 ? "TEST" : "TESTS");
-}
-
-// Internal helper for printing the list of test suite failures not covered by
-// PrintFailedTests.
-void PrettyUnitTestResultPrinter::PrintFailedTestSuites(
-    const UnitTest& unit_test) {
-  int suite_failure_count = 0;
-  for (int i = 0; i < unit_test.total_test_suite_count(); ++i) {
-    const TestSuite& test_suite = *unit_test.GetTestSuite(i);
-    if (!test_suite.should_run()) {
-      continue;
-    }
-    if (test_suite.ad_hoc_test_result().Failed()) {
-      ColoredPrintf(GTestColor::kRed, "[  FAILED  ] ");
-      printf("%s: SetUpTestSuite or TearDownTestSuite\n", test_suite.name());
-      ++suite_failure_count;
-    }
-  }
-  if (suite_failure_count > 0) {
-    printf("\n%2d FAILED TEST %s\n", suite_failure_count,
-           suite_failure_count == 1 ? "SUITE" : "SUITES");
-  }
-}
-
-// Internal helper for printing the list of skipped tests.
-void PrettyUnitTestResultPrinter::PrintSkippedTests(const UnitTest& unit_test) {
-  const int skipped_test_count = unit_test.skipped_test_count();
-  if (skipped_test_count == 0) {
-    return;
-  }
-
-  for (int i = 0; i < unit_test.total_test_suite_count(); ++i) {
-    const TestSuite& test_suite = *unit_test.GetTestSuite(i);
-    if (!test_suite.should_run() || (test_suite.skipped_test_count() == 0)) {
-      continue;
-    }
-    for (int j = 0; j < test_suite.total_test_count(); ++j) {
-      const TestInfo& test_info = *test_suite.GetTestInfo(j);
-      if (!test_info.should_run() || !test_info.result()->Skipped()) {
-        continue;
-      }
-      ColoredPrintf(GTestColor::kGreen, "[  SKIPPED ] ");
-      printf("%s.%s", test_suite.name(), test_info.name());
-      printf("\n");
-    }
-  }
-}
-
-void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
-                                                     int /*iteration*/) {
-  ColoredPrintf(GTestColor::kGreen, "[==========] ");
-  printf("%s from %s ran.",
-         FormatTestCount(unit_test.test_to_run_count()).c_str(),
-         FormatTestSuiteCount(unit_test.test_suite_to_run_count()).c_str());
-  if (GTEST_FLAG(print_time)) {
-    printf(" (%s ms total)",
-           internal::StreamableToString(unit_test.elapsed_time()).c_str());
-  }
-  printf("\n");
-  ColoredPrintf(GTestColor::kGreen, "[  PASSED  ] ");
-  printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
-
-  const int skipped_test_count = unit_test.skipped_test_count();
-  if (skipped_test_count > 0) {
-    ColoredPrintf(GTestColor::kGreen, "[  SKIPPED ] ");
-    printf("%s, listed below:\n", FormatTestCount(skipped_test_count).c_str());
-    PrintSkippedTests(unit_test);
-  }
-
-  if (!unit_test.Passed()) {
-    PrintFailedTests(unit_test);
-    PrintFailedTestSuites(unit_test);
-  }
-
-  int num_disabled = unit_test.reportable_disabled_test_count();
-  if (num_disabled && !GTEST_FLAG(also_run_disabled_tests)) {
-    if (unit_test.Passed()) {
-      printf("\n");  // Add a spacer if no FAILURE banner is displayed.
-    }
-    ColoredPrintf(GTestColor::kYellow, "  YOU HAVE %d DISABLED %s\n\n",
-                  num_disabled, num_disabled == 1 ? "TEST" : "TESTS");
-  }
-  // Ensure that Google Test output is printed before, e.g., heapchecker output.
-  fflush(stdout);
-}
-
-// End PrettyUnitTestResultPrinter
-
-// This class implements the TestEventListener interface.
-//
-// Class BriefUnitTestResultPrinter is copyable.
-class BriefUnitTestResultPrinter : public TestEventListener {
- public:
-  BriefUnitTestResultPrinter() {}
-  static void PrintTestName(const char* test_suite, const char* test) {
-    printf("%s.%s", test_suite, test);
-  }
-
-  // The following methods override what's in the TestEventListener class.
-  void OnTestProgramStart(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationStart(const UnitTest& /*unit_test*/,
-                            int /*iteration*/) override {}
-  void OnEnvironmentsSetUpStart(const UnitTest& /*unit_test*/) override {}
-  void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) override {}
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseStart(const TestCase& /*test_case*/) override {}
-#else
-  void OnTestSuiteStart(const TestSuite& /*test_suite*/) override {}
-#endif  // OnTestCaseStart
-
-  void OnTestStart(const TestInfo& /*test_info*/) override {}
-
-  void OnTestPartResult(const TestPartResult& result) override;
-  void OnTestEnd(const TestInfo& test_info) override;
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseEnd(const TestCase& /*test_case*/) override {}
-#else
-  void OnTestSuiteEnd(const TestSuite& /*test_suite*/) override {}
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  void OnEnvironmentsTearDownStart(const UnitTest& /*unit_test*/) override {}
-  void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
-  void OnTestProgramEnd(const UnitTest& /*unit_test*/) override {}
-};
-
-// Called after an assertion failure.
-void BriefUnitTestResultPrinter::OnTestPartResult(
-    const TestPartResult& result) {
-  switch (result.type()) {
-    // If the test part succeeded, we don't need to do anything.
-    case TestPartResult::kSuccess:
-      return;
-    default:
-      // Print failure message from the assertion
-      // (e.g. expected this and got that).
-      PrintTestPartResult(result);
-      fflush(stdout);
-  }
-}
-
-void BriefUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
-  if (test_info.result()->Failed()) {
-    ColoredPrintf(GTestColor::kRed, "[  FAILED  ] ");
-    PrintTestName(test_info.test_suite_name(), test_info.name());
-    PrintFullTestCommentIfPresent(test_info);
-
-    if (GTEST_FLAG(print_time)) {
-      printf(" (%s ms)\n",
-             internal::StreamableToString(test_info.result()->elapsed_time())
-                 .c_str());
-    } else {
-      printf("\n");
-    }
-    fflush(stdout);
-  }
-}
-
-void BriefUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
-                                                    int /*iteration*/) {
-  ColoredPrintf(GTestColor::kGreen, "[==========] ");
-  printf("%s from %s ran.",
-         FormatTestCount(unit_test.test_to_run_count()).c_str(),
-         FormatTestSuiteCount(unit_test.test_suite_to_run_count()).c_str());
-  if (GTEST_FLAG(print_time)) {
-    printf(" (%s ms total)",
-           internal::StreamableToString(unit_test.elapsed_time()).c_str());
-  }
-  printf("\n");
-  ColoredPrintf(GTestColor::kGreen, "[  PASSED  ] ");
-  printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
-
-  const int skipped_test_count = unit_test.skipped_test_count();
-  if (skipped_test_count > 0) {
-    ColoredPrintf(GTestColor::kGreen, "[  SKIPPED ] ");
-    printf("%s.\n", FormatTestCount(skipped_test_count).c_str());
-  }
-
-  int num_disabled = unit_test.reportable_disabled_test_count();
-  if (num_disabled && !GTEST_FLAG(also_run_disabled_tests)) {
-    if (unit_test.Passed()) {
-      printf("\n");  // Add a spacer if no FAILURE banner is displayed.
-    }
-    ColoredPrintf(GTestColor::kYellow, "  YOU HAVE %d DISABLED %s\n\n",
-                  num_disabled, num_disabled == 1 ? "TEST" : "TESTS");
-  }
-  // Ensure that Google Test output is printed before, e.g., heapchecker output.
-  fflush(stdout);
-}
-
-// End BriefUnitTestResultPrinter
-
-// class TestEventRepeater
-//
-// This class forwards events to other event listeners.
-class TestEventRepeater : public TestEventListener {
- public:
-  TestEventRepeater() : forwarding_enabled_(true) {}
-  ~TestEventRepeater() override;
-  void Append(TestEventListener *listener);
-  TestEventListener* Release(TestEventListener* listener);
-
-  // Controls whether events will be forwarded to listeners_. Set to false
-  // in death test child processes.
-  bool forwarding_enabled() const { return forwarding_enabled_; }
-  void set_forwarding_enabled(bool enable) { forwarding_enabled_ = enable; }
-
-  void OnTestProgramStart(const UnitTest& unit_test) override;
-  void OnTestIterationStart(const UnitTest& unit_test, int iteration) override;
-  void OnEnvironmentsSetUpStart(const UnitTest& unit_test) override;
-  void OnEnvironmentsSetUpEnd(const UnitTest& unit_test) override;
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseStart(const TestSuite& parameter) override;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestSuiteStart(const TestSuite& parameter) override;
-  void OnTestStart(const TestInfo& test_info) override;
-  void OnTestPartResult(const TestPartResult& result) override;
-  void OnTestEnd(const TestInfo& test_info) override;
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseEnd(const TestCase& parameter) override;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestSuiteEnd(const TestSuite& parameter) override;
-  void OnEnvironmentsTearDownStart(const UnitTest& unit_test) override;
-  void OnEnvironmentsTearDownEnd(const UnitTest& unit_test) override;
-  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
-  void OnTestProgramEnd(const UnitTest& unit_test) override;
-
- private:
-  // Controls whether events will be forwarded to listeners_. Set to false
-  // in death test child processes.
-  bool forwarding_enabled_;
-  // The list of listeners that receive events.
-  std::vector<TestEventListener*> listeners_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestEventRepeater);
-};
-
-TestEventRepeater::~TestEventRepeater() {
-  ForEach(listeners_, Delete<TestEventListener>);
-}
-
-void TestEventRepeater::Append(TestEventListener *listener) {
-  listeners_.push_back(listener);
-}
-
-TestEventListener* TestEventRepeater::Release(TestEventListener *listener) {
-  for (size_t i = 0; i < listeners_.size(); ++i) {
-    if (listeners_[i] == listener) {
-      listeners_.erase(listeners_.begin() + static_cast<int>(i));
-      return listener;
-    }
-  }
-
-  return nullptr;
-}
-
-// Since most methods are very similar, use macros to reduce boilerplate.
-// This defines a member that forwards the call to all listeners.
-#define GTEST_REPEATER_METHOD_(Name, Type) \
-void TestEventRepeater::Name(const Type& parameter) { \
-  if (forwarding_enabled_) { \
-    for (size_t i = 0; i < listeners_.size(); i++) { \
-      listeners_[i]->Name(parameter); \
-    } \
-  } \
-}
-// This defines a member that forwards the call to all listeners in reverse
-// order.
-#define GTEST_REVERSE_REPEATER_METHOD_(Name, Type)      \
-  void TestEventRepeater::Name(const Type& parameter) { \
-    if (forwarding_enabled_) {                          \
-      for (size_t i = listeners_.size(); i != 0; i--) { \
-        listeners_[i - 1]->Name(parameter);             \
-      }                                                 \
-    }                                                   \
-  }
-
-GTEST_REPEATER_METHOD_(OnTestProgramStart, UnitTest)
-GTEST_REPEATER_METHOD_(OnEnvironmentsSetUpStart, UnitTest)
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-GTEST_REPEATER_METHOD_(OnTestCaseStart, TestSuite)
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-GTEST_REPEATER_METHOD_(OnTestSuiteStart, TestSuite)
-GTEST_REPEATER_METHOD_(OnTestStart, TestInfo)
-GTEST_REPEATER_METHOD_(OnTestPartResult, TestPartResult)
-GTEST_REPEATER_METHOD_(OnEnvironmentsTearDownStart, UnitTest)
-GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsSetUpEnd, UnitTest)
-GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsTearDownEnd, UnitTest)
-GTEST_REVERSE_REPEATER_METHOD_(OnTestEnd, TestInfo)
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-GTEST_REVERSE_REPEATER_METHOD_(OnTestCaseEnd, TestSuite)
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-GTEST_REVERSE_REPEATER_METHOD_(OnTestSuiteEnd, TestSuite)
-GTEST_REVERSE_REPEATER_METHOD_(OnTestProgramEnd, UnitTest)
-
-#undef GTEST_REPEATER_METHOD_
-#undef GTEST_REVERSE_REPEATER_METHOD_
-
-void TestEventRepeater::OnTestIterationStart(const UnitTest& unit_test,
-                                             int iteration) {
-  if (forwarding_enabled_) {
-    for (size_t i = 0; i < listeners_.size(); i++) {
-      listeners_[i]->OnTestIterationStart(unit_test, iteration);
-    }
-  }
-}
-
-void TestEventRepeater::OnTestIterationEnd(const UnitTest& unit_test,
-                                           int iteration) {
-  if (forwarding_enabled_) {
-    for (size_t i = listeners_.size(); i > 0; i--) {
-      listeners_[i - 1]->OnTestIterationEnd(unit_test, iteration);
-    }
-  }
-}
-
-// End TestEventRepeater
-
-// This class generates an XML output file.
-class XmlUnitTestResultPrinter : public EmptyTestEventListener {
- public:
-  explicit XmlUnitTestResultPrinter(const char* output_file);
-
-  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
-  void ListTestsMatchingFilter(const std::vector<TestSuite*>& test_suites);
-
-  // Prints an XML summary of all unit tests.
-  static void PrintXmlTestsList(std::ostream* stream,
-                                const std::vector<TestSuite*>& test_suites);
-
- private:
-  // Is c a whitespace character that is normalized to a space character
-  // when it appears in an XML attribute value?
-  static bool IsNormalizableWhitespace(char c) {
-    return c == 0x9 || c == 0xA || c == 0xD;
-  }
-
-  // May c appear in a well-formed XML document?
-  static bool IsValidXmlCharacter(char c) {
-    return IsNormalizableWhitespace(c) || c >= 0x20;
-  }
-
-  // Returns an XML-escaped copy of the input string str.  If
-  // is_attribute is true, the text is meant to appear as an attribute
-  // value, and normalizable whitespace is preserved by replacing it
-  // with character references.
-  static std::string EscapeXml(const std::string& str, bool is_attribute);
-
-  // Returns the given string with all characters invalid in XML removed.
-  static std::string RemoveInvalidXmlCharacters(const std::string& str);
-
-  // Convenience wrapper around EscapeXml when str is an attribute value.
-  static std::string EscapeXmlAttribute(const std::string& str) {
-    return EscapeXml(str, true);
-  }
-
-  // Convenience wrapper around EscapeXml when str is not an attribute value.
-  static std::string EscapeXmlText(const char* str) {
-    return EscapeXml(str, false);
-  }
-
-  // Verifies that the given attribute belongs to the given element and
-  // streams the attribute as XML.
-  static void OutputXmlAttribute(std::ostream* stream,
-                                 const std::string& element_name,
-                                 const std::string& name,
-                                 const std::string& value);
-
-  // Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
-  static void OutputXmlCDataSection(::std::ostream* stream, const char* data);
-
-  // Streams a test suite XML stanza containing the given test result.
-  //
-  // Requires: result.Failed()
-  static void OutputXmlTestSuiteForTestResult(::std::ostream* stream,
-                                              const TestResult& result);
-
-  // Streams an XML representation of a TestResult object.
-  static void OutputXmlTestResult(::std::ostream* stream,
-                                  const TestResult& result);
-
-  // Streams an XML representation of a TestInfo object.
-  static void OutputXmlTestInfo(::std::ostream* stream,
-                                const char* test_suite_name,
-                                const TestInfo& test_info);
-
-  // Prints an XML representation of a TestSuite object
-  static void PrintXmlTestSuite(::std::ostream* stream,
-                                const TestSuite& test_suite);
-
-  // Prints an XML summary of unit_test to output stream out.
-  static void PrintXmlUnitTest(::std::ostream* stream,
-                               const UnitTest& unit_test);
-
-  // Produces a string representing the test properties in a result as space
-  // delimited XML attributes based on the property key="value" pairs.
-  // When the std::string is not empty, it includes a space at the beginning,
-  // to delimit this attribute from prior attributes.
-  static std::string TestPropertiesAsXmlAttributes(const TestResult& result);
-
-  // Streams an XML representation of the test properties of a TestResult
-  // object.
-  static void OutputXmlTestProperties(std::ostream* stream,
-                                      const TestResult& result);
-
-  // The output file.
-  const std::string output_file_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(XmlUnitTestResultPrinter);
-};
-
-// Creates a new XmlUnitTestResultPrinter.
-XmlUnitTestResultPrinter::XmlUnitTestResultPrinter(const char* output_file)
-    : output_file_(output_file) {
-  if (output_file_.empty()) {
-    GTEST_LOG_(FATAL) << "XML output file may not be null";
-  }
-}
-
-// Called after the unit test ends.
-void XmlUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
-                                                  int /*iteration*/) {
-  FILE* xmlout = OpenFileForWriting(output_file_);
-  std::stringstream stream;
-  PrintXmlUnitTest(&stream, unit_test);
-  fprintf(xmlout, "%s", StringStreamToString(&stream).c_str());
-  fclose(xmlout);
-}
-
-void XmlUnitTestResultPrinter::ListTestsMatchingFilter(
-    const std::vector<TestSuite*>& test_suites) {
-  FILE* xmlout = OpenFileForWriting(output_file_);
-  std::stringstream stream;
-  PrintXmlTestsList(&stream, test_suites);
-  fprintf(xmlout, "%s", StringStreamToString(&stream).c_str());
-  fclose(xmlout);
-}
-
-// Returns an XML-escaped copy of the input string str.  If is_attribute
-// is true, the text is meant to appear as an attribute value, and
-// normalizable whitespace is preserved by replacing it with character
-// references.
-//
-// Invalid XML characters in str, if any, are stripped from the output.
-// It is expected that most, if not all, of the text processed by this
-// module will consist of ordinary English text.
-// If this module is ever modified to produce version 1.1 XML output,
-// most invalid characters can be retained using character references.
-std::string XmlUnitTestResultPrinter::EscapeXml(
-    const std::string& str, bool is_attribute) {
-  Message m;
-
-  for (size_t i = 0; i < str.size(); ++i) {
-    const char ch = str[i];
-    switch (ch) {
-      case '<':
-        m << "&lt;";
-        break;
-      case '>':
-        m << "&gt;";
-        break;
-      case '&':
-        m << "&amp;";
-        break;
-      case '\'':
-        if (is_attribute)
-          m << "&apos;";
-        else
-          m << '\'';
-        break;
-      case '"':
-        if (is_attribute)
-          m << "&quot;";
-        else
-          m << '"';
-        break;
-      default:
-        if (IsValidXmlCharacter(ch)) {
-          if (is_attribute && IsNormalizableWhitespace(ch))
-            m << "&#x" << String::FormatByte(static_cast<unsigned char>(ch))
-              << ";";
-          else
-            m << ch;
-        }
-        break;
-    }
-  }
-
-  return m.GetString();
-}
-
-// Returns the given string with all characters invalid in XML removed.
-// Currently invalid characters are dropped from the string. An
-// alternative is to replace them with certain characters such as . or ?.
-std::string XmlUnitTestResultPrinter::RemoveInvalidXmlCharacters(
-    const std::string& str) {
-  std::string output;
-  output.reserve(str.size());
-  for (std::string::const_iterator it = str.begin(); it != str.end(); ++it)
-    if (IsValidXmlCharacter(*it))
-      output.push_back(*it);
-
-  return output;
-}
-
-// The following routines generate an XML representation of a UnitTest
-// object.
-// GOOGLETEST_CM0009 DO NOT DELETE
-//
-// This is how Google Test concepts map to the DTD:
-//
-// <testsuites name="AllTests">        <-- corresponds to a UnitTest object
-//   <testsuite name="testcase-name">  <-- corresponds to a TestSuite object
-//     <testcase name="test-name">     <-- corresponds to a TestInfo object
-//       <failure message="...">...</failure>
-//       <failure message="...">...</failure>
-//       <failure message="...">...</failure>
-//                                     <-- individual assertion failures
-//     </testcase>
-//   </testsuite>
-// </testsuites>
-
-// Formats the given time in milliseconds as seconds.
-std::string FormatTimeInMillisAsSeconds(TimeInMillis ms) {
-  ::std::stringstream ss;
-  ss << (static_cast<double>(ms) * 1e-3);
-  return ss.str();
-}
-
-static bool PortableLocaltime(time_t seconds, struct tm* out) {
-#if defined(_MSC_VER)
-  return localtime_s(out, &seconds) == 0;
-#elif defined(__MINGW32__) || defined(__MINGW64__)
-  // MINGW <time.h> provides neither localtime_r nor localtime_s, but uses
-  // Windows' localtime(), which has a thread-local tm buffer.
-  struct tm* tm_ptr = localtime(&seconds);  // NOLINT
-  if (tm_ptr == nullptr) return false;
-  *out = *tm_ptr;
-  return true;
-#elif defined(__STDC_LIB_EXT1__)
-  // Uses localtime_s when available as localtime_r is only available from
-  // C23 standard.
-  return localtime_s(&seconds, out) != nullptr;
-#else
-  return localtime_r(&seconds, out) != nullptr;
-#endif
-}
-
-// Converts the given epoch time in milliseconds to a date string in the ISO
-// 8601 format, without the timezone information.
-std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms) {
-  struct tm time_struct;
-  if (!PortableLocaltime(static_cast<time_t>(ms / 1000), &time_struct))
-    return "";
-  // YYYY-MM-DDThh:mm:ss.sss
-  return StreamableToString(time_struct.tm_year + 1900) + "-" +
-      String::FormatIntWidth2(time_struct.tm_mon + 1) + "-" +
-      String::FormatIntWidth2(time_struct.tm_mday) + "T" +
-      String::FormatIntWidth2(time_struct.tm_hour) + ":" +
-      String::FormatIntWidth2(time_struct.tm_min) + ":" +
-      String::FormatIntWidth2(time_struct.tm_sec) + "." +
-      String::FormatIntWidthN(static_cast<int>(ms % 1000), 3);
-}
-
-// Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
-void XmlUnitTestResultPrinter::OutputXmlCDataSection(::std::ostream* stream,
-                                                     const char* data) {
-  const char* segment = data;
-  *stream << "<![CDATA[";
-  for (;;) {
-    const char* const next_segment = strstr(segment, "]]>");
-    if (next_segment != nullptr) {
-      stream->write(
-          segment, static_cast<std::streamsize>(next_segment - segment));
-      *stream << "]]>]]&gt;<![CDATA[";
-      segment = next_segment + strlen("]]>");
-    } else {
-      *stream << segment;
-      break;
-    }
-  }
-  *stream << "]]>";
-}
-
-void XmlUnitTestResultPrinter::OutputXmlAttribute(
-    std::ostream* stream,
-    const std::string& element_name,
-    const std::string& name,
-    const std::string& value) {
-  const std::vector<std::string>& allowed_names =
-      GetReservedOutputAttributesForElement(element_name);
-
-  GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
-                   allowed_names.end())
-      << "Attribute " << name << " is not allowed for element <" << element_name
-      << ">.";
-
-  *stream << " " << name << "=\"" << EscapeXmlAttribute(value) << "\"";
-}
-
-// Streams a test suite XML stanza containing the given test result.
-void XmlUnitTestResultPrinter::OutputXmlTestSuiteForTestResult(
-    ::std::ostream* stream, const TestResult& result) {
-  // Output the boilerplate for a minimal test suite with one test.
-  *stream << "  <testsuite";
-  OutputXmlAttribute(stream, "testsuite", "name", "NonTestSuiteFailure");
-  OutputXmlAttribute(stream, "testsuite", "tests", "1");
-  OutputXmlAttribute(stream, "testsuite", "failures", "1");
-  OutputXmlAttribute(stream, "testsuite", "disabled", "0");
-  OutputXmlAttribute(stream, "testsuite", "skipped", "0");
-  OutputXmlAttribute(stream, "testsuite", "errors", "0");
-  OutputXmlAttribute(stream, "testsuite", "time",
-                     FormatTimeInMillisAsSeconds(result.elapsed_time()));
-  OutputXmlAttribute(
-      stream, "testsuite", "timestamp",
-      FormatEpochTimeInMillisAsIso8601(result.start_timestamp()));
-  *stream << ">";
-
-  // Output the boilerplate for a minimal test case with a single test.
-  *stream << "    <testcase";
-  OutputXmlAttribute(stream, "testcase", "name", "");
-  OutputXmlAttribute(stream, "testcase", "status", "run");
-  OutputXmlAttribute(stream, "testcase", "result", "completed");
-  OutputXmlAttribute(stream, "testcase", "classname", "");
-  OutputXmlAttribute(stream, "testcase", "time",
-                     FormatTimeInMillisAsSeconds(result.elapsed_time()));
-  OutputXmlAttribute(
-      stream, "testcase", "timestamp",
-      FormatEpochTimeInMillisAsIso8601(result.start_timestamp()));
-
-  // Output the actual test result.
-  OutputXmlTestResult(stream, result);
-
-  // Complete the test suite.
-  *stream << "  </testsuite>\n";
-}
-
-// Prints an XML representation of a TestInfo object.
-void XmlUnitTestResultPrinter::OutputXmlTestInfo(::std::ostream* stream,
-                                                 const char* test_suite_name,
-                                                 const TestInfo& test_info) {
-  const TestResult& result = *test_info.result();
-  const std::string kTestsuite = "testcase";
-
-  if (test_info.is_in_another_shard()) {
-    return;
-  }
-
-  *stream << "    <testcase";
-  OutputXmlAttribute(stream, kTestsuite, "name", test_info.name());
-
-  if (test_info.value_param() != nullptr) {
-    OutputXmlAttribute(stream, kTestsuite, "value_param",
-                       test_info.value_param());
-  }
-  if (test_info.type_param() != nullptr) {
-    OutputXmlAttribute(stream, kTestsuite, "type_param",
-                       test_info.type_param());
-  }
-  if (GTEST_FLAG(list_tests)) {
-    OutputXmlAttribute(stream, kTestsuite, "file", test_info.file());
-    OutputXmlAttribute(stream, kTestsuite, "line",
-                       StreamableToString(test_info.line()));
-    *stream << " />\n";
-    return;
-  }
-
-  OutputXmlAttribute(stream, kTestsuite, "status",
-                     test_info.should_run() ? "run" : "notrun");
-  OutputXmlAttribute(stream, kTestsuite, "result",
-                     test_info.should_run()
-                         ? (result.Skipped() ? "skipped" : "completed")
-                         : "suppressed");
-  OutputXmlAttribute(stream, kTestsuite, "time",
-                     FormatTimeInMillisAsSeconds(result.elapsed_time()));
-  OutputXmlAttribute(
-      stream, kTestsuite, "timestamp",
-      FormatEpochTimeInMillisAsIso8601(result.start_timestamp()));
-  OutputXmlAttribute(stream, kTestsuite, "classname", test_suite_name);
-
-  OutputXmlTestResult(stream, result);
-}
-
-void XmlUnitTestResultPrinter::OutputXmlTestResult(::std::ostream* stream,
-                                                   const TestResult& result) {
-  int failures = 0;
-  int skips = 0;
-  for (int i = 0; i < result.total_part_count(); ++i) {
-    const TestPartResult& part = result.GetTestPartResult(i);
-    if (part.failed()) {
-      if (++failures == 1 && skips == 0) {
-        *stream << ">\n";
-      }
-      const std::string location =
-          internal::FormatCompilerIndependentFileLocation(part.file_name(),
-                                                          part.line_number());
-      const std::string summary = location + "\n" + part.summary();
-      *stream << "      <failure message=\""
-              << EscapeXmlAttribute(summary)
-              << "\" type=\"\">";
-      const std::string detail = location + "\n" + part.message();
-      OutputXmlCDataSection(stream, RemoveInvalidXmlCharacters(detail).c_str());
-      *stream << "</failure>\n";
-    } else if (part.skipped()) {
-      if (++skips == 1 && failures == 0) {
-        *stream << ">\n";
-      }
-      const std::string location =
-          internal::FormatCompilerIndependentFileLocation(part.file_name(),
-                                                          part.line_number());
-      const std::string summary = location + "\n" + part.summary();
-      *stream << "      <skipped message=\""
-              << EscapeXmlAttribute(summary.c_str()) << "\">";
-      const std::string detail = location + "\n" + part.message();
-      OutputXmlCDataSection(stream, RemoveInvalidXmlCharacters(detail).c_str());
-      *stream << "</skipped>\n";
-    }
-  }
-
-  if (failures == 0 && skips == 0 && result.test_property_count() == 0) {
-    *stream << " />\n";
-  } else {
-    if (failures == 0 && skips == 0) {
-      *stream << ">\n";
-    }
-    OutputXmlTestProperties(stream, result);
-    *stream << "    </testcase>\n";
-  }
-}
-
-// Prints an XML representation of a TestSuite object
-void XmlUnitTestResultPrinter::PrintXmlTestSuite(std::ostream* stream,
-                                                 const TestSuite& test_suite) {
-  const std::string kTestsuite = "testsuite";
-  *stream << "  <" << kTestsuite;
-  OutputXmlAttribute(stream, kTestsuite, "name", test_suite.name());
-  OutputXmlAttribute(stream, kTestsuite, "tests",
-                     StreamableToString(test_suite.reportable_test_count()));
-  if (!GTEST_FLAG(list_tests)) {
-    OutputXmlAttribute(stream, kTestsuite, "failures",
-                       StreamableToString(test_suite.failed_test_count()));
-    OutputXmlAttribute(
-        stream, kTestsuite, "disabled",
-        StreamableToString(test_suite.reportable_disabled_test_count()));
-    OutputXmlAttribute(stream, kTestsuite, "skipped",
-                       StreamableToString(test_suite.skipped_test_count()));
-
-    OutputXmlAttribute(stream, kTestsuite, "errors", "0");
-
-    OutputXmlAttribute(stream, kTestsuite, "time",
-                       FormatTimeInMillisAsSeconds(test_suite.elapsed_time()));
-    OutputXmlAttribute(
-        stream, kTestsuite, "timestamp",
-        FormatEpochTimeInMillisAsIso8601(test_suite.start_timestamp()));
-    *stream << TestPropertiesAsXmlAttributes(test_suite.ad_hoc_test_result());
-  }
-  *stream << ">\n";
-  for (int i = 0; i < test_suite.total_test_count(); ++i) {
-    if (test_suite.GetTestInfo(i)->is_reportable())
-      OutputXmlTestInfo(stream, test_suite.name(), *test_suite.GetTestInfo(i));
-  }
-  *stream << "  </" << kTestsuite << ">\n";
-}
-
-// Prints an XML summary of unit_test to output stream out.
-void XmlUnitTestResultPrinter::PrintXmlUnitTest(std::ostream* stream,
-                                                const UnitTest& unit_test) {
-  const std::string kTestsuites = "testsuites";
-
-  *stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
-  *stream << "<" << kTestsuites;
-
-  OutputXmlAttribute(stream, kTestsuites, "tests",
-                     StreamableToString(unit_test.reportable_test_count()));
-  OutputXmlAttribute(stream, kTestsuites, "failures",
-                     StreamableToString(unit_test.failed_test_count()));
-  OutputXmlAttribute(
-      stream, kTestsuites, "disabled",
-      StreamableToString(unit_test.reportable_disabled_test_count()));
-  OutputXmlAttribute(stream, kTestsuites, "errors", "0");
-  OutputXmlAttribute(stream, kTestsuites, "time",
-                     FormatTimeInMillisAsSeconds(unit_test.elapsed_time()));
-  OutputXmlAttribute(
-      stream, kTestsuites, "timestamp",
-      FormatEpochTimeInMillisAsIso8601(unit_test.start_timestamp()));
-
-  if (GTEST_FLAG(shuffle)) {
-    OutputXmlAttribute(stream, kTestsuites, "random_seed",
-                       StreamableToString(unit_test.random_seed()));
-  }
-  *stream << TestPropertiesAsXmlAttributes(unit_test.ad_hoc_test_result());
-
-  OutputXmlAttribute(stream, kTestsuites, "name", "AllTests");
-  *stream << ">\n";
-
-  for (int i = 0; i < unit_test.total_test_suite_count(); ++i) {
-    if (unit_test.GetTestSuite(i)->reportable_test_count() > 0)
-      PrintXmlTestSuite(stream, *unit_test.GetTestSuite(i));
-  }
-
-  // If there was a test failure outside of one of the test suites (like in a
-  // test environment) include that in the output.
-  if (unit_test.ad_hoc_test_result().Failed()) {
-    OutputXmlTestSuiteForTestResult(stream, unit_test.ad_hoc_test_result());
-  }
-
-  *stream << "</" << kTestsuites << ">\n";
-}
-
-void XmlUnitTestResultPrinter::PrintXmlTestsList(
-    std::ostream* stream, const std::vector<TestSuite*>& test_suites) {
-  const std::string kTestsuites = "testsuites";
-
-  *stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
-  *stream << "<" << kTestsuites;
-
-  int total_tests = 0;
-  for (auto test_suite : test_suites) {
-    total_tests += test_suite->total_test_count();
-  }
-  OutputXmlAttribute(stream, kTestsuites, "tests",
-                     StreamableToString(total_tests));
-  OutputXmlAttribute(stream, kTestsuites, "name", "AllTests");
-  *stream << ">\n";
-
-  for (auto test_suite : test_suites) {
-    PrintXmlTestSuite(stream, *test_suite);
-  }
-  *stream << "</" << kTestsuites << ">\n";
-}
-
-// Produces a string representing the test properties in a result as space
-// delimited XML attributes based on the property key="value" pairs.
-std::string XmlUnitTestResultPrinter::TestPropertiesAsXmlAttributes(
-    const TestResult& result) {
-  Message attributes;
-  for (int i = 0; i < result.test_property_count(); ++i) {
-    const TestProperty& property = result.GetTestProperty(i);
-    attributes << " " << property.key() << "="
-        << "\"" << EscapeXmlAttribute(property.value()) << "\"";
-  }
-  return attributes.GetString();
-}
-
-void XmlUnitTestResultPrinter::OutputXmlTestProperties(
-    std::ostream* stream, const TestResult& result) {
-  const std::string kProperties = "properties";
-  const std::string kProperty = "property";
-
-  if (result.test_property_count() <= 0) {
-    return;
-  }
-
-  *stream << "<" << kProperties << ">\n";
-  for (int i = 0; i < result.test_property_count(); ++i) {
-    const TestProperty& property = result.GetTestProperty(i);
-    *stream << "<" << kProperty;
-    *stream << " name=\"" << EscapeXmlAttribute(property.key()) << "\"";
-    *stream << " value=\"" << EscapeXmlAttribute(property.value()) << "\"";
-    *stream << "/>\n";
-  }
-  *stream << "</" << kProperties << ">\n";
-}
-
-// End XmlUnitTestResultPrinter
-
-// This class generates an JSON output file.
-class JsonUnitTestResultPrinter : public EmptyTestEventListener {
- public:
-  explicit JsonUnitTestResultPrinter(const char* output_file);
-
-  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
-
-  // Prints an JSON summary of all unit tests.
-  static void PrintJsonTestList(::std::ostream* stream,
-                                const std::vector<TestSuite*>& test_suites);
-
- private:
-  // Returns an JSON-escaped copy of the input string str.
-  static std::string EscapeJson(const std::string& str);
-
-  //// Verifies that the given attribute belongs to the given element and
-  //// streams the attribute as JSON.
-  static void OutputJsonKey(std::ostream* stream,
-                            const std::string& element_name,
-                            const std::string& name,
-                            const std::string& value,
-                            const std::string& indent,
-                            bool comma = true);
-  static void OutputJsonKey(std::ostream* stream,
-                            const std::string& element_name,
-                            const std::string& name,
-                            int value,
-                            const std::string& indent,
-                            bool comma = true);
-
-  // Streams a test suite JSON stanza containing the given test result.
-  //
-  // Requires: result.Failed()
-  static void OutputJsonTestSuiteForTestResult(::std::ostream* stream,
-                                               const TestResult& result);
-
-  // Streams a JSON representation of a TestResult object.
-  static void OutputJsonTestResult(::std::ostream* stream,
-                                   const TestResult& result);
-
-  // Streams a JSON representation of a TestInfo object.
-  static void OutputJsonTestInfo(::std::ostream* stream,
-                                 const char* test_suite_name,
-                                 const TestInfo& test_info);
-
-  // Prints a JSON representation of a TestSuite object
-  static void PrintJsonTestSuite(::std::ostream* stream,
-                                 const TestSuite& test_suite);
-
-  // Prints a JSON summary of unit_test to output stream out.
-  static void PrintJsonUnitTest(::std::ostream* stream,
-                                const UnitTest& unit_test);
-
-  // Produces a string representing the test properties in a result as
-  // a JSON dictionary.
-  static std::string TestPropertiesAsJson(const TestResult& result,
-                                          const std::string& indent);
-
-  // The output file.
-  const std::string output_file_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(JsonUnitTestResultPrinter);
-};
-
-// Creates a new JsonUnitTestResultPrinter.
-JsonUnitTestResultPrinter::JsonUnitTestResultPrinter(const char* output_file)
-    : output_file_(output_file) {
-  if (output_file_.empty()) {
-    GTEST_LOG_(FATAL) << "JSON output file may not be null";
-  }
-}
-
-void JsonUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
-                                                  int /*iteration*/) {
-  FILE* jsonout = OpenFileForWriting(output_file_);
-  std::stringstream stream;
-  PrintJsonUnitTest(&stream, unit_test);
-  fprintf(jsonout, "%s", StringStreamToString(&stream).c_str());
-  fclose(jsonout);
-}
-
-// Returns an JSON-escaped copy of the input string str.
-std::string JsonUnitTestResultPrinter::EscapeJson(const std::string& str) {
-  Message m;
-
-  for (size_t i = 0; i < str.size(); ++i) {
-    const char ch = str[i];
-    switch (ch) {
-      case '\\':
-      case '"':
-      case '/':
-        m << '\\' << ch;
-        break;
-      case '\b':
-        m << "\\b";
-        break;
-      case '\t':
-        m << "\\t";
-        break;
-      case '\n':
-        m << "\\n";
-        break;
-      case '\f':
-        m << "\\f";
-        break;
-      case '\r':
-        m << "\\r";
-        break;
-      default:
-        if (ch < ' ') {
-          m << "\\u00" << String::FormatByte(static_cast<unsigned char>(ch));
-        } else {
-          m << ch;
-        }
-        break;
-    }
-  }
-
-  return m.GetString();
-}
-
-// The following routines generate an JSON representation of a UnitTest
-// object.
-
-// Formats the given time in milliseconds as seconds.
-static std::string FormatTimeInMillisAsDuration(TimeInMillis ms) {
-  ::std::stringstream ss;
-  ss << (static_cast<double>(ms) * 1e-3) << "s";
-  return ss.str();
-}
-
-// Converts the given epoch time in milliseconds to a date string in the
-// RFC3339 format, without the timezone information.
-static std::string FormatEpochTimeInMillisAsRFC3339(TimeInMillis ms) {
-  struct tm time_struct;
-  if (!PortableLocaltime(static_cast<time_t>(ms / 1000), &time_struct))
-    return "";
-  // YYYY-MM-DDThh:mm:ss
-  return StreamableToString(time_struct.tm_year + 1900) + "-" +
-      String::FormatIntWidth2(time_struct.tm_mon + 1) + "-" +
-      String::FormatIntWidth2(time_struct.tm_mday) + "T" +
-      String::FormatIntWidth2(time_struct.tm_hour) + ":" +
-      String::FormatIntWidth2(time_struct.tm_min) + ":" +
-      String::FormatIntWidth2(time_struct.tm_sec) + "Z";
-}
-
-static inline std::string Indent(size_t width) {
-  return std::string(width, ' ');
-}
-
-void JsonUnitTestResultPrinter::OutputJsonKey(
-    std::ostream* stream,
-    const std::string& element_name,
-    const std::string& name,
-    const std::string& value,
-    const std::string& indent,
-    bool comma) {
-  const std::vector<std::string>& allowed_names =
-      GetReservedOutputAttributesForElement(element_name);
-
-  GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
-                   allowed_names.end())
-      << "Key \"" << name << "\" is not allowed for value \"" << element_name
-      << "\".";
-
-  *stream << indent << "\"" << name << "\": \"" << EscapeJson(value) << "\"";
-  if (comma)
-    *stream << ",\n";
-}
-
-void JsonUnitTestResultPrinter::OutputJsonKey(
-    std::ostream* stream,
-    const std::string& element_name,
-    const std::string& name,
-    int value,
-    const std::string& indent,
-    bool comma) {
-  const std::vector<std::string>& allowed_names =
-      GetReservedOutputAttributesForElement(element_name);
-
-  GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
-                   allowed_names.end())
-      << "Key \"" << name << "\" is not allowed for value \"" << element_name
-      << "\".";
-
-  *stream << indent << "\"" << name << "\": " << StreamableToString(value);
-  if (comma)
-    *stream << ",\n";
-}
-
-// Streams a test suite JSON stanza containing the given test result.
-void JsonUnitTestResultPrinter::OutputJsonTestSuiteForTestResult(
-    ::std::ostream* stream, const TestResult& result) {
-  // Output the boilerplate for a new test suite.
-  *stream << Indent(4) << "{\n";
-  OutputJsonKey(stream, "testsuite", "name", "NonTestSuiteFailure", Indent(6));
-  OutputJsonKey(stream, "testsuite", "tests", 1, Indent(6));
-  if (!GTEST_FLAG(list_tests)) {
-    OutputJsonKey(stream, "testsuite", "failures", 1, Indent(6));
-    OutputJsonKey(stream, "testsuite", "disabled", 0, Indent(6));
-    OutputJsonKey(stream, "testsuite", "skipped", 0, Indent(6));
-    OutputJsonKey(stream, "testsuite", "errors", 0, Indent(6));
-    OutputJsonKey(stream, "testsuite", "time",
-                  FormatTimeInMillisAsDuration(result.elapsed_time()),
-                  Indent(6));
-    OutputJsonKey(stream, "testsuite", "timestamp",
-                  FormatEpochTimeInMillisAsRFC3339(result.start_timestamp()),
-                  Indent(6));
-  }
-  *stream << Indent(6) << "\"testsuite\": [\n";
-
-  // Output the boilerplate for a new test case.
-  *stream << Indent(8) << "{\n";
-  OutputJsonKey(stream, "testcase", "name", "", Indent(10));
-  OutputJsonKey(stream, "testcase", "status", "RUN", Indent(10));
-  OutputJsonKey(stream, "testcase", "result", "COMPLETED", Indent(10));
-  OutputJsonKey(stream, "testcase", "timestamp",
-                FormatEpochTimeInMillisAsRFC3339(result.start_timestamp()),
-                Indent(10));
-  OutputJsonKey(stream, "testcase", "time",
-                FormatTimeInMillisAsDuration(result.elapsed_time()),
-                Indent(10));
-  OutputJsonKey(stream, "testcase", "classname", "", Indent(10), false);
-  *stream << TestPropertiesAsJson(result, Indent(10));
-
-  // Output the actual test result.
-  OutputJsonTestResult(stream, result);
-
-  // Finish the test suite.
-  *stream << "\n" << Indent(6) << "]\n" << Indent(4) << "}";
-}
-
-// Prints a JSON representation of a TestInfo object.
-void JsonUnitTestResultPrinter::OutputJsonTestInfo(::std::ostream* stream,
-                                                   const char* test_suite_name,
-                                                   const TestInfo& test_info) {
-  const TestResult& result = *test_info.result();
-  const std::string kTestsuite = "testcase";
-  const std::string kIndent = Indent(10);
-
-  *stream << Indent(8) << "{\n";
-  OutputJsonKey(stream, kTestsuite, "name", test_info.name(), kIndent);
-
-  if (test_info.value_param() != nullptr) {
-    OutputJsonKey(stream, kTestsuite, "value_param", test_info.value_param(),
-                  kIndent);
-  }
-  if (test_info.type_param() != nullptr) {
-    OutputJsonKey(stream, kTestsuite, "type_param", test_info.type_param(),
-                  kIndent);
-  }
-  if (GTEST_FLAG(list_tests)) {
-    OutputJsonKey(stream, kTestsuite, "file", test_info.file(), kIndent);
-    OutputJsonKey(stream, kTestsuite, "line", test_info.line(), kIndent, false);
-    *stream << "\n" << Indent(8) << "}";
-    return;
-  }
-
-  OutputJsonKey(stream, kTestsuite, "status",
-                test_info.should_run() ? "RUN" : "NOTRUN", kIndent);
-  OutputJsonKey(stream, kTestsuite, "result",
-                test_info.should_run()
-                    ? (result.Skipped() ? "SKIPPED" : "COMPLETED")
-                    : "SUPPRESSED",
-                kIndent);
-  OutputJsonKey(stream, kTestsuite, "timestamp",
-                FormatEpochTimeInMillisAsRFC3339(result.start_timestamp()),
-                kIndent);
-  OutputJsonKey(stream, kTestsuite, "time",
-                FormatTimeInMillisAsDuration(result.elapsed_time()), kIndent);
-  OutputJsonKey(stream, kTestsuite, "classname", test_suite_name, kIndent,
-                false);
-  *stream << TestPropertiesAsJson(result, kIndent);
-
-  OutputJsonTestResult(stream, result);
-}
-
-void JsonUnitTestResultPrinter::OutputJsonTestResult(::std::ostream* stream,
-                                                     const TestResult& result) {
-  const std::string kIndent = Indent(10);
-
-  int failures = 0;
-  for (int i = 0; i < result.total_part_count(); ++i) {
-    const TestPartResult& part = result.GetTestPartResult(i);
-    if (part.failed()) {
-      *stream << ",\n";
-      if (++failures == 1) {
-        *stream << kIndent << "\"" << "failures" << "\": [\n";
-      }
-      const std::string location =
-          internal::FormatCompilerIndependentFileLocation(part.file_name(),
-                                                          part.line_number());
-      const std::string message = EscapeJson(location + "\n" + part.message());
-      *stream << kIndent << "  {\n"
-              << kIndent << "    \"failure\": \"" << message << "\",\n"
-              << kIndent << "    \"type\": \"\"\n"
-              << kIndent << "  }";
-    }
-  }
-
-  if (failures > 0)
-    *stream << "\n" << kIndent << "]";
-  *stream << "\n" << Indent(8) << "}";
-}
-
-// Prints an JSON representation of a TestSuite object
-void JsonUnitTestResultPrinter::PrintJsonTestSuite(
-    std::ostream* stream, const TestSuite& test_suite) {
-  const std::string kTestsuite = "testsuite";
-  const std::string kIndent = Indent(6);
-
-  *stream << Indent(4) << "{\n";
-  OutputJsonKey(stream, kTestsuite, "name", test_suite.name(), kIndent);
-  OutputJsonKey(stream, kTestsuite, "tests", test_suite.reportable_test_count(),
-                kIndent);
-  if (!GTEST_FLAG(list_tests)) {
-    OutputJsonKey(stream, kTestsuite, "failures",
-                  test_suite.failed_test_count(), kIndent);
-    OutputJsonKey(stream, kTestsuite, "disabled",
-                  test_suite.reportable_disabled_test_count(), kIndent);
-    OutputJsonKey(stream, kTestsuite, "errors", 0, kIndent);
-    OutputJsonKey(
-        stream, kTestsuite, "timestamp",
-        FormatEpochTimeInMillisAsRFC3339(test_suite.start_timestamp()),
-        kIndent);
-    OutputJsonKey(stream, kTestsuite, "time",
-                  FormatTimeInMillisAsDuration(test_suite.elapsed_time()),
-                  kIndent, false);
-    *stream << TestPropertiesAsJson(test_suite.ad_hoc_test_result(), kIndent)
-            << ",\n";
-  }
-
-  *stream << kIndent << "\"" << kTestsuite << "\": [\n";
-
-  bool comma = false;
-  for (int i = 0; i < test_suite.total_test_count(); ++i) {
-    if (test_suite.GetTestInfo(i)->is_reportable()) {
-      if (comma) {
-        *stream << ",\n";
-      } else {
-        comma = true;
-      }
-      OutputJsonTestInfo(stream, test_suite.name(), *test_suite.GetTestInfo(i));
-    }
-  }
-  *stream << "\n" << kIndent << "]\n" << Indent(4) << "}";
-}
-
-// Prints a JSON summary of unit_test to output stream out.
-void JsonUnitTestResultPrinter::PrintJsonUnitTest(std::ostream* stream,
-                                                  const UnitTest& unit_test) {
-  const std::string kTestsuites = "testsuites";
-  const std::string kIndent = Indent(2);
-  *stream << "{\n";
-
-  OutputJsonKey(stream, kTestsuites, "tests", unit_test.reportable_test_count(),
-                kIndent);
-  OutputJsonKey(stream, kTestsuites, "failures", unit_test.failed_test_count(),
-                kIndent);
-  OutputJsonKey(stream, kTestsuites, "disabled",
-                unit_test.reportable_disabled_test_count(), kIndent);
-  OutputJsonKey(stream, kTestsuites, "errors", 0, kIndent);
-  if (GTEST_FLAG(shuffle)) {
-    OutputJsonKey(stream, kTestsuites, "random_seed", unit_test.random_seed(),
-                  kIndent);
-  }
-  OutputJsonKey(stream, kTestsuites, "timestamp",
-                FormatEpochTimeInMillisAsRFC3339(unit_test.start_timestamp()),
-                kIndent);
-  OutputJsonKey(stream, kTestsuites, "time",
-                FormatTimeInMillisAsDuration(unit_test.elapsed_time()), kIndent,
-                false);
-
-  *stream << TestPropertiesAsJson(unit_test.ad_hoc_test_result(), kIndent)
-          << ",\n";
-
-  OutputJsonKey(stream, kTestsuites, "name", "AllTests", kIndent);
-  *stream << kIndent << "\"" << kTestsuites << "\": [\n";
-
-  bool comma = false;
-  for (int i = 0; i < unit_test.total_test_suite_count(); ++i) {
-    if (unit_test.GetTestSuite(i)->reportable_test_count() > 0) {
-      if (comma) {
-        *stream << ",\n";
-      } else {
-        comma = true;
-      }
-      PrintJsonTestSuite(stream, *unit_test.GetTestSuite(i));
-    }
-  }
-
-  // If there was a test failure outside of one of the test suites (like in a
-  // test environment) include that in the output.
-  if (unit_test.ad_hoc_test_result().Failed()) {
-    OutputJsonTestSuiteForTestResult(stream, unit_test.ad_hoc_test_result());
-  }
-
-  *stream << "\n" << kIndent << "]\n" << "}\n";
-}
-
-void JsonUnitTestResultPrinter::PrintJsonTestList(
-    std::ostream* stream, const std::vector<TestSuite*>& test_suites) {
-  const std::string kTestsuites = "testsuites";
-  const std::string kIndent = Indent(2);
-  *stream << "{\n";
-  int total_tests = 0;
-  for (auto test_suite : test_suites) {
-    total_tests += test_suite->total_test_count();
-  }
-  OutputJsonKey(stream, kTestsuites, "tests", total_tests, kIndent);
-
-  OutputJsonKey(stream, kTestsuites, "name", "AllTests", kIndent);
-  *stream << kIndent << "\"" << kTestsuites << "\": [\n";
-
-  for (size_t i = 0; i < test_suites.size(); ++i) {
-    if (i != 0) {
-      *stream << ",\n";
-    }
-    PrintJsonTestSuite(stream, *test_suites[i]);
-  }
-
-  *stream << "\n"
-          << kIndent << "]\n"
-          << "}\n";
-}
-// Produces a string representing the test properties in a result as
-// a JSON dictionary.
-std::string JsonUnitTestResultPrinter::TestPropertiesAsJson(
-    const TestResult& result, const std::string& indent) {
-  Message attributes;
-  for (int i = 0; i < result.test_property_count(); ++i) {
-    const TestProperty& property = result.GetTestProperty(i);
-    attributes << ",\n" << indent << "\"" << property.key() << "\": "
-               << "\"" << EscapeJson(property.value()) << "\"";
-  }
-  return attributes.GetString();
-}
-
-// End JsonUnitTestResultPrinter
-
-#if GTEST_CAN_STREAM_RESULTS_
-
-// Checks if str contains '=', '&', '%' or '\n' characters. If yes,
-// replaces them by "%xx" where xx is their hexadecimal value. For
-// example, replaces "=" with "%3D".  This algorithm is O(strlen(str))
-// in both time and space -- important as the input str may contain an
-// arbitrarily long test failure message and stack trace.
-std::string StreamingListener::UrlEncode(const char* str) {
-  std::string result;
-  result.reserve(strlen(str) + 1);
-  for (char ch = *str; ch != '\0'; ch = *++str) {
-    switch (ch) {
-      case '%':
-      case '=':
-      case '&':
-      case '\n':
-        result.append("%" + String::FormatByte(static_cast<unsigned char>(ch)));
-        break;
-      default:
-        result.push_back(ch);
-        break;
-    }
-  }
-  return result;
-}
-
-void StreamingListener::SocketWriter::MakeConnection() {
-  GTEST_CHECK_(sockfd_ == -1)
-      << "MakeConnection() can't be called when there is already a connection.";
-
-  addrinfo hints;
-  memset(&hints, 0, sizeof(hints));
-  hints.ai_family = AF_UNSPEC;    // To allow both IPv4 and IPv6 addresses.
-  hints.ai_socktype = SOCK_STREAM;
-  addrinfo* servinfo = nullptr;
-
-  // Use the getaddrinfo() to get a linked list of IP addresses for
-  // the given host name.
-  const int error_num = getaddrinfo(
-      host_name_.c_str(), port_num_.c_str(), &hints, &servinfo);
-  if (error_num != 0) {
-    GTEST_LOG_(WARNING) << "stream_result_to: getaddrinfo() failed: "
-                        << gai_strerror(error_num);
-  }
-
-  // Loop through all the results and connect to the first we can.
-  for (addrinfo* cur_addr = servinfo; sockfd_ == -1 && cur_addr != nullptr;
-       cur_addr = cur_addr->ai_next) {
-    sockfd_ = socket(
-        cur_addr->ai_family, cur_addr->ai_socktype, cur_addr->ai_protocol);
-    if (sockfd_ != -1) {
-      // Connect the client socket to the server socket.
-      if (connect(sockfd_, cur_addr->ai_addr, cur_addr->ai_addrlen) == -1) {
-        close(sockfd_);
-        sockfd_ = -1;
-      }
-    }
-  }
-
-  freeaddrinfo(servinfo);  // all done with this structure
-
-  if (sockfd_ == -1) {
-    GTEST_LOG_(WARNING) << "stream_result_to: failed to connect to "
-                        << host_name_ << ":" << port_num_;
-  }
-}
-
-// End of class Streaming Listener
-#endif  // GTEST_CAN_STREAM_RESULTS__
-
-// class OsStackTraceGetter
-
-const char* const OsStackTraceGetterInterface::kElidedFramesMarker =
-    "... " GTEST_NAME_ " internal frames ...";
-
-std::string OsStackTraceGetter::CurrentStackTrace(int max_depth, int skip_count)
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-#if GTEST_HAS_ABSL
-  std::string result;
-
-  if (max_depth <= 0) {
-    return result;
-  }
-
-  max_depth = std::min(max_depth, kMaxStackTraceDepth);
-
-  std::vector<void*> raw_stack(max_depth);
-  // Skips the frames requested by the caller, plus this function.
-  const int raw_stack_size =
-      absl::GetStackTrace(&raw_stack[0], max_depth, skip_count + 1);
-
-  void* caller_frame = nullptr;
-  {
-    MutexLock lock(&mutex_);
-    caller_frame = caller_frame_;
-  }
-
-  for (int i = 0; i < raw_stack_size; ++i) {
-    if (raw_stack[i] == caller_frame &&
-        !GTEST_FLAG(show_internal_stack_frames)) {
-      // Add a marker to the trace and stop adding frames.
-      absl::StrAppend(&result, kElidedFramesMarker, "\n");
-      break;
-    }
-
-    char tmp[1024];
-    const char* symbol = "(unknown)";
-    if (absl::Symbolize(raw_stack[i], tmp, sizeof(tmp))) {
-      symbol = tmp;
-    }
-
-    char line[1024];
-    snprintf(line, sizeof(line), "  %p: %s\n", raw_stack[i], symbol);
-    result += line;
-  }
-
-  return result;
-
-#else  // !GTEST_HAS_ABSL
-  static_cast<void>(max_depth);
-  static_cast<void>(skip_count);
-  return "";
-#endif  // GTEST_HAS_ABSL
-}
-
-void OsStackTraceGetter::UponLeavingGTest() GTEST_LOCK_EXCLUDED_(mutex_) {
-#if GTEST_HAS_ABSL
-  void* caller_frame = nullptr;
-  if (absl::GetStackTrace(&caller_frame, 1, 3) <= 0) {
-    caller_frame = nullptr;
-  }
-
-  MutexLock lock(&mutex_);
-  caller_frame_ = caller_frame;
-#endif  // GTEST_HAS_ABSL
-}
-
-// A helper class that creates the premature-exit file in its
-// constructor and deletes the file in its destructor.
-class ScopedPrematureExitFile {
- public:
-  explicit ScopedPrematureExitFile(const char* premature_exit_filepath)
-      : premature_exit_filepath_(premature_exit_filepath ?
-                                 premature_exit_filepath : "") {
-    // If a path to the premature-exit file is specified...
-    if (!premature_exit_filepath_.empty()) {
-      // create the file with a single "0" character in it.  I/O
-      // errors are ignored as there's nothing better we can do and we
-      // don't want to fail the test because of this.
-      FILE* pfile = posix::FOpen(premature_exit_filepath, "w");
-      fwrite("0", 1, 1, pfile);
-      fclose(pfile);
-    }
-  }
-
-  ~ScopedPrematureExitFile() {
-#if !defined GTEST_OS_ESP8266
-    if (!premature_exit_filepath_.empty()) {
-      int retval = remove(premature_exit_filepath_.c_str());
-      if (retval) {
-        GTEST_LOG_(ERROR) << "Failed to remove premature exit filepath \""
-                          << premature_exit_filepath_ << "\" with error "
-                          << retval;
-      }
-    }
-#endif
-  }
-
- private:
-  const std::string premature_exit_filepath_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedPrematureExitFile);
-};
-
-}  // namespace internal
-
-// class TestEventListeners
-
-TestEventListeners::TestEventListeners()
-    : repeater_(new internal::TestEventRepeater()),
-      default_result_printer_(nullptr),
-      default_xml_generator_(nullptr) {}
-
-TestEventListeners::~TestEventListeners() { delete repeater_; }
-
-// Returns the standard listener responsible for the default console
-// output.  Can be removed from the listeners list to shut down default
-// console output.  Note that removing this object from the listener list
-// with Release transfers its ownership to the user.
-void TestEventListeners::Append(TestEventListener* listener) {
-  repeater_->Append(listener);
-}
-
-// Removes the given event listener from the list and returns it.  It then
-// becomes the caller's responsibility to delete the listener. Returns
-// NULL if the listener is not found in the list.
-TestEventListener* TestEventListeners::Release(TestEventListener* listener) {
-  if (listener == default_result_printer_)
-    default_result_printer_ = nullptr;
-  else if (listener == default_xml_generator_)
-    default_xml_generator_ = nullptr;
-  return repeater_->Release(listener);
-}
-
-// Returns repeater that broadcasts the TestEventListener events to all
-// subscribers.
-TestEventListener* TestEventListeners::repeater() { return repeater_; }
-
-// Sets the default_result_printer attribute to the provided listener.
-// The listener is also added to the listener list and previous
-// default_result_printer is removed from it and deleted. The listener can
-// also be NULL in which case it will not be added to the list. Does
-// nothing if the previous and the current listener objects are the same.
-void TestEventListeners::SetDefaultResultPrinter(TestEventListener* listener) {
-  if (default_result_printer_ != listener) {
-    // It is an error to pass this method a listener that is already in the
-    // list.
-    delete Release(default_result_printer_);
-    default_result_printer_ = listener;
-    if (listener != nullptr) Append(listener);
-  }
-}
-
-// Sets the default_xml_generator attribute to the provided listener.  The
-// listener is also added to the listener list and previous
-// default_xml_generator is removed from it and deleted. The listener can
-// also be NULL in which case it will not be added to the list. Does
-// nothing if the previous and the current listener objects are the same.
-void TestEventListeners::SetDefaultXmlGenerator(TestEventListener* listener) {
-  if (default_xml_generator_ != listener) {
-    // It is an error to pass this method a listener that is already in the
-    // list.
-    delete Release(default_xml_generator_);
-    default_xml_generator_ = listener;
-    if (listener != nullptr) Append(listener);
-  }
-}
-
-// Controls whether events will be forwarded by the repeater to the
-// listeners in the list.
-bool TestEventListeners::EventForwardingEnabled() const {
-  return repeater_->forwarding_enabled();
-}
-
-void TestEventListeners::SuppressEventForwarding() {
-  repeater_->set_forwarding_enabled(false);
-}
-
-// class UnitTest
-
-// Gets the singleton UnitTest object.  The first time this method is
-// called, a UnitTest object is constructed and returned.  Consecutive
-// calls will return the same object.
-//
-// We don't protect this under mutex_ as a user is not supposed to
-// call this before main() starts, from which point on the return
-// value will never change.
-UnitTest* UnitTest::GetInstance() {
-  // CodeGear C++Builder insists on a public destructor for the
-  // default implementation.  Use this implementation to keep good OO
-  // design with private destructor.
-
-#if defined(__BORLANDC__)
-  static UnitTest* const instance = new UnitTest;
-  return instance;
-#else
-  static UnitTest instance;
-  return &instance;
-#endif  // defined(__BORLANDC__)
-}
-
-// Gets the number of successful test suites.
-int UnitTest::successful_test_suite_count() const {
-  return impl()->successful_test_suite_count();
-}
-
-// Gets the number of failed test suites.
-int UnitTest::failed_test_suite_count() const {
-  return impl()->failed_test_suite_count();
-}
-
-// Gets the number of all test suites.
-int UnitTest::total_test_suite_count() const {
-  return impl()->total_test_suite_count();
-}
-
-// Gets the number of all test suites that contain at least one test
-// that should run.
-int UnitTest::test_suite_to_run_count() const {
-  return impl()->test_suite_to_run_count();
-}
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-int UnitTest::successful_test_case_count() const {
-  return impl()->successful_test_suite_count();
-}
-int UnitTest::failed_test_case_count() const {
-  return impl()->failed_test_suite_count();
-}
-int UnitTest::total_test_case_count() const {
-  return impl()->total_test_suite_count();
-}
-int UnitTest::test_case_to_run_count() const {
-  return impl()->test_suite_to_run_count();
-}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-// Gets the number of successful tests.
-int UnitTest::successful_test_count() const {
-  return impl()->successful_test_count();
-}
-
-// Gets the number of skipped tests.
-int UnitTest::skipped_test_count() const {
-  return impl()->skipped_test_count();
-}
-
-// Gets the number of failed tests.
-int UnitTest::failed_test_count() const { return impl()->failed_test_count(); }
-
-// Gets the number of disabled tests that will be reported in the XML report.
-int UnitTest::reportable_disabled_test_count() const {
-  return impl()->reportable_disabled_test_count();
-}
-
-// Gets the number of disabled tests.
-int UnitTest::disabled_test_count() const {
-  return impl()->disabled_test_count();
-}
-
-// Gets the number of tests to be printed in the XML report.
-int UnitTest::reportable_test_count() const {
-  return impl()->reportable_test_count();
-}
-
-// Gets the number of all tests.
-int UnitTest::total_test_count() const { return impl()->total_test_count(); }
-
-// Gets the number of tests that should run.
-int UnitTest::test_to_run_count() const { return impl()->test_to_run_count(); }
-
-// Gets the time of the test program start, in ms from the start of the
-// UNIX epoch.
-internal::TimeInMillis UnitTest::start_timestamp() const {
-    return impl()->start_timestamp();
-}
-
-// Gets the elapsed time, in milliseconds.
-internal::TimeInMillis UnitTest::elapsed_time() const {
-  return impl()->elapsed_time();
-}
-
-// Returns true if and only if the unit test passed (i.e. all test suites
-// passed).
-bool UnitTest::Passed() const { return impl()->Passed(); }
-
-// Returns true if and only if the unit test failed (i.e. some test suite
-// failed or something outside of all tests failed).
-bool UnitTest::Failed() const { return impl()->Failed(); }
-
-// Gets the i-th test suite among all the test suites. i can range from 0 to
-// total_test_suite_count() - 1. If i is not in that range, returns NULL.
-const TestSuite* UnitTest::GetTestSuite(int i) const {
-  return impl()->GetTestSuite(i);
-}
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-const TestCase* UnitTest::GetTestCase(int i) const {
-  return impl()->GetTestCase(i);
-}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-// Returns the TestResult containing information on test failures and
-// properties logged outside of individual test suites.
-const TestResult& UnitTest::ad_hoc_test_result() const {
-  return *impl()->ad_hoc_test_result();
-}
-
-// Gets the i-th test suite among all the test suites. i can range from 0 to
-// total_test_suite_count() - 1. If i is not in that range, returns NULL.
-TestSuite* UnitTest::GetMutableTestSuite(int i) {
-  return impl()->GetMutableSuiteCase(i);
-}
-
-// Returns the list of event listeners that can be used to track events
-// inside Google Test.
-TestEventListeners& UnitTest::listeners() {
-  return *impl()->listeners();
-}
-
-// Registers and returns a global test environment.  When a test
-// program is run, all global test environments will be set-up in the
-// order they were registered.  After all tests in the program have
-// finished, all global test environments will be torn-down in the
-// *reverse* order they were registered.
-//
-// The UnitTest object takes ownership of the given environment.
-//
-// We don't protect this under mutex_, as we only support calling it
-// from the main thread.
-Environment* UnitTest::AddEnvironment(Environment* env) {
-  if (env == nullptr) {
-    return nullptr;
-  }
-
-  impl_->environments().push_back(env);
-  return env;
-}
-
-// Adds a TestPartResult to the current TestResult object.  All Google Test
-// assertion macros (e.g. ASSERT_TRUE, EXPECT_EQ, etc) eventually call
-// this to report their results.  The user code should use the
-// assertion macros instead of calling this directly.
-void UnitTest::AddTestPartResult(
-    TestPartResult::Type result_type,
-    const char* file_name,
-    int line_number,
-    const std::string& message,
-    const std::string& os_stack_trace) GTEST_LOCK_EXCLUDED_(mutex_) {
-  Message msg;
-  msg << message;
-
-  internal::MutexLock lock(&mutex_);
-  if (impl_->gtest_trace_stack().size() > 0) {
-    msg << "\n" << GTEST_NAME_ << " trace:";
-
-    for (size_t i = impl_->gtest_trace_stack().size(); i > 0; --i) {
-      const internal::TraceInfo& trace = impl_->gtest_trace_stack()[i - 1];
-      msg << "\n" << internal::FormatFileLocation(trace.file, trace.line)
-          << " " << trace.message;
-    }
-  }
-
-  if (os_stack_trace.c_str() != nullptr && !os_stack_trace.empty()) {
-    msg << internal::kStackTraceMarker << os_stack_trace;
-  }
-
-  const TestPartResult result = TestPartResult(
-      result_type, file_name, line_number, msg.GetString().c_str());
-  impl_->GetTestPartResultReporterForCurrentThread()->
-      ReportTestPartResult(result);
-
-  if (result_type != TestPartResult::kSuccess &&
-      result_type != TestPartResult::kSkip) {
-    // gtest_break_on_failure takes precedence over
-    // gtest_throw_on_failure.  This allows a user to set the latter
-    // in the code (perhaps in order to use Google Test assertions
-    // with another testing framework) and specify the former on the
-    // command line for debugging.
-    if (GTEST_FLAG(break_on_failure)) {
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
-      // Using DebugBreak on Windows allows gtest to still break into a debugger
-      // when a failure happens and both the --gtest_break_on_failure and
-      // the --gtest_catch_exceptions flags are specified.
-      DebugBreak();
-#elif (!defined(__native_client__)) &&            \
-    ((defined(__clang__) || defined(__GNUC__)) && \
-     (defined(__x86_64__) || defined(__i386__)))
-      // with clang/gcc we can achieve the same effect on x86 by invoking int3
-      asm("int3");
-#else
-      // Dereference nullptr through a volatile pointer to prevent the compiler
-      // from removing. We use this rather than abort() or __builtin_trap() for
-      // portability: some debuggers don't correctly trap abort().
-      *static_cast<volatile int*>(nullptr) = 1;
-#endif  // GTEST_OS_WINDOWS
-    } else if (GTEST_FLAG(throw_on_failure)) {
-#if GTEST_HAS_EXCEPTIONS
-      throw internal::GoogleTestFailureException(result);
-#else
-      // We cannot call abort() as it generates a pop-up in debug mode
-      // that cannot be suppressed in VC 7.1 or below.
-      exit(1);
-#endif
-    }
-  }
-}
-
-// Adds a TestProperty to the current TestResult object when invoked from
-// inside a test, to current TestSuite's ad_hoc_test_result_ when invoked
-// from SetUpTestSuite or TearDownTestSuite, or to the global property set
-// when invoked elsewhere.  If the result already contains a property with
-// the same key, the value will be updated.
-void UnitTest::RecordProperty(const std::string& key,
-                              const std::string& value) {
-  impl_->RecordProperty(TestProperty(key, value));
-}
-
-// Runs all tests in this UnitTest object and prints the result.
-// Returns 0 if successful, or 1 otherwise.
-//
-// We don't protect this under mutex_, as we only support calling it
-// from the main thread.
-int UnitTest::Run() {
-  const bool in_death_test_child_process =
-      internal::GTEST_FLAG(internal_run_death_test).length() > 0;
-
-  // Google Test implements this protocol for catching that a test
-  // program exits before returning control to Google Test:
-  //
-  //   1. Upon start, Google Test creates a file whose absolute path
-  //      is specified by the environment variable
-  //      TEST_PREMATURE_EXIT_FILE.
-  //   2. When Google Test has finished its work, it deletes the file.
-  //
-  // This allows a test runner to set TEST_PREMATURE_EXIT_FILE before
-  // running a Google-Test-based test program and check the existence
-  // of the file at the end of the test execution to see if it has
-  // exited prematurely.
-
-  // If we are in the child process of a death test, don't
-  // create/delete the premature exit file, as doing so is unnecessary
-  // and will confuse the parent process.  Otherwise, create/delete
-  // the file upon entering/leaving this function.  If the program
-  // somehow exits before this function has a chance to return, the
-  // premature-exit file will be left undeleted, causing a test runner
-  // that understands the premature-exit-file protocol to report the
-  // test as having failed.
-  const internal::ScopedPrematureExitFile premature_exit_file(
-      in_death_test_child_process
-          ? nullptr
-          : internal::posix::GetEnv("TEST_PREMATURE_EXIT_FILE"));
-
-  // Captures the value of GTEST_FLAG(catch_exceptions).  This value will be
-  // used for the duration of the program.
-  impl()->set_catch_exceptions(GTEST_FLAG(catch_exceptions));
-
-#if GTEST_OS_WINDOWS
-  // Either the user wants Google Test to catch exceptions thrown by the
-  // tests or this is executing in the context of death test child
-  // process. In either case the user does not want to see pop-up dialogs
-  // about crashes - they are expected.
-  if (impl()->catch_exceptions() || in_death_test_child_process) {
-# if !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
-    // SetErrorMode doesn't exist on CE.
-    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT |
-                 SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
-# endif  // !GTEST_OS_WINDOWS_MOBILE
-
-# if (defined(_MSC_VER) || GTEST_OS_WINDOWS_MINGW) && !GTEST_OS_WINDOWS_MOBILE
-    // Death test children can be terminated with _abort().  On Windows,
-    // _abort() can show a dialog with a warning message.  This forces the
-    // abort message to go to stderr instead.
-    _set_error_mode(_OUT_TO_STDERR);
-# endif
-
-# if defined(_MSC_VER) && !GTEST_OS_WINDOWS_MOBILE
-    // In the debug version, Visual Studio pops up a separate dialog
-    // offering a choice to debug the aborted program. We need to suppress
-    // this dialog or it will pop up for every EXPECT/ASSERT_DEATH statement
-    // executed. Google Test will notify the user of any unexpected
-    // failure via stderr.
-    if (!GTEST_FLAG(break_on_failure))
-      _set_abort_behavior(
-          0x0,                                    // Clear the following flags:
-          _WRITE_ABORT_MSG | _CALL_REPORTFAULT);  // pop-up window, core dump.
-
-    // In debug mode, the Windows CRT can crash with an assertion over invalid
-    // input (e.g. passing an invalid file descriptor).  The default handling
-    // for these assertions is to pop up a dialog and wait for user input.
-    // Instead ask the CRT to dump such assertions to stderr non-interactively.
-    if (!IsDebuggerPresent()) {
-      (void)_CrtSetReportMode(_CRT_ASSERT,
-                              _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
-      (void)_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
-    }
-# endif
-  }
-#endif  // GTEST_OS_WINDOWS
-
-  return internal::HandleExceptionsInMethodIfSupported(
-      impl(),
-      &internal::UnitTestImpl::RunAllTests,
-      "auxiliary test code (environments or event listeners)") ? 0 : 1;
-}
-
-// Returns the working directory when the first TEST() or TEST_F() was
-// executed.
-const char* UnitTest::original_working_dir() const {
-  return impl_->original_working_dir_.c_str();
-}
-
-// Returns the TestSuite object for the test that's currently running,
-// or NULL if no test is running.
-const TestSuite* UnitTest::current_test_suite() const
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  internal::MutexLock lock(&mutex_);
-  return impl_->current_test_suite();
-}
-
-// Legacy API is still available but deprecated
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-const TestCase* UnitTest::current_test_case() const
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  internal::MutexLock lock(&mutex_);
-  return impl_->current_test_suite();
-}
-#endif
-
-// Returns the TestInfo object for the test that's currently running,
-// or NULL if no test is running.
-const TestInfo* UnitTest::current_test_info() const
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  internal::MutexLock lock(&mutex_);
-  return impl_->current_test_info();
-}
-
-// Returns the random seed used at the start of the current test run.
-int UnitTest::random_seed() const { return impl_->random_seed(); }
-
-// Returns ParameterizedTestSuiteRegistry object used to keep track of
-// value-parameterized tests and instantiate and register them.
-internal::ParameterizedTestSuiteRegistry&
-UnitTest::parameterized_test_registry() GTEST_LOCK_EXCLUDED_(mutex_) {
-  return impl_->parameterized_test_registry();
-}
-
-// Creates an empty UnitTest.
-UnitTest::UnitTest() {
-  impl_ = new internal::UnitTestImpl(this);
-}
-
-// Destructor of UnitTest.
-UnitTest::~UnitTest() {
-  delete impl_;
-}
-
-// Pushes a trace defined by SCOPED_TRACE() on to the per-thread
-// Google Test trace stack.
-void UnitTest::PushGTestTrace(const internal::TraceInfo& trace)
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  internal::MutexLock lock(&mutex_);
-  impl_->gtest_trace_stack().push_back(trace);
-}
-
-// Pops a trace from the per-thread Google Test trace stack.
-void UnitTest::PopGTestTrace()
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  internal::MutexLock lock(&mutex_);
-  impl_->gtest_trace_stack().pop_back();
-}
-
-namespace internal {
-
-UnitTestImpl::UnitTestImpl(UnitTest* parent)
-    : parent_(parent),
-      GTEST_DISABLE_MSC_WARNINGS_PUSH_(4355 /* using this in initializer */)
-          default_global_test_part_result_reporter_(this),
-      default_per_thread_test_part_result_reporter_(this),
-      GTEST_DISABLE_MSC_WARNINGS_POP_() global_test_part_result_repoter_(
-          &default_global_test_part_result_reporter_),
-      per_thread_test_part_result_reporter_(
-          &default_per_thread_test_part_result_reporter_),
-      parameterized_test_registry_(),
-      parameterized_tests_registered_(false),
-      last_death_test_suite_(-1),
-      current_test_suite_(nullptr),
-      current_test_info_(nullptr),
-      ad_hoc_test_result_(),
-      os_stack_trace_getter_(nullptr),
-      post_flag_parse_init_performed_(false),
-      random_seed_(0),  // Will be overridden by the flag before first use.
-      random_(0),       // Will be reseeded before first use.
-      start_timestamp_(0),
-      elapsed_time_(0),
-#if GTEST_HAS_DEATH_TEST
-      death_test_factory_(new DefaultDeathTestFactory),
-#endif
-      // Will be overridden by the flag before first use.
-      catch_exceptions_(false) {
-  listeners()->SetDefaultResultPrinter(new PrettyUnitTestResultPrinter);
-}
-
-UnitTestImpl::~UnitTestImpl() {
-  // Deletes every TestSuite.
-  ForEach(test_suites_, internal::Delete<TestSuite>);
-
-  // Deletes every Environment.
-  ForEach(environments_, internal::Delete<Environment>);
-
-  delete os_stack_trace_getter_;
-}
-
-// Adds a TestProperty to the current TestResult object when invoked in a
-// context of a test, to current test suite's ad_hoc_test_result when invoke
-// from SetUpTestSuite/TearDownTestSuite, or to the global property set
-// otherwise.  If the result already contains a property with the same key,
-// the value will be updated.
-void UnitTestImpl::RecordProperty(const TestProperty& test_property) {
-  std::string xml_element;
-  TestResult* test_result;  // TestResult appropriate for property recording.
-
-  if (current_test_info_ != nullptr) {
-    xml_element = "testcase";
-    test_result = &(current_test_info_->result_);
-  } else if (current_test_suite_ != nullptr) {
-    xml_element = "testsuite";
-    test_result = &(current_test_suite_->ad_hoc_test_result_);
-  } else {
-    xml_element = "testsuites";
-    test_result = &ad_hoc_test_result_;
-  }
-  test_result->RecordProperty(xml_element, test_property);
-}
-
-#if GTEST_HAS_DEATH_TEST
-// Disables event forwarding if the control is currently in a death test
-// subprocess. Must not be called before InitGoogleTest.
-void UnitTestImpl::SuppressTestEventsIfInSubprocess() {
-  if (internal_run_death_test_flag_.get() != nullptr)
-    listeners()->SuppressEventForwarding();
-}
-#endif  // GTEST_HAS_DEATH_TEST
-
-// Initializes event listeners performing XML output as specified by
-// UnitTestOptions. Must not be called before InitGoogleTest.
-void UnitTestImpl::ConfigureXmlOutput() {
-  const std::string& output_format = UnitTestOptions::GetOutputFormat();
-  if (output_format == "xml") {
-    listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter(
-        UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
-  } else if (output_format == "json") {
-    listeners()->SetDefaultXmlGenerator(new JsonUnitTestResultPrinter(
-        UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
-  } else if (output_format != "") {
-    GTEST_LOG_(WARNING) << "WARNING: unrecognized output format \""
-                        << output_format << "\" ignored.";
-  }
-}
-
-#if GTEST_CAN_STREAM_RESULTS_
-// Initializes event listeners for streaming test results in string form.
-// Must not be called before InitGoogleTest.
-void UnitTestImpl::ConfigureStreamingOutput() {
-  const std::string& target = GTEST_FLAG(stream_result_to);
-  if (!target.empty()) {
-    const size_t pos = target.find(':');
-    if (pos != std::string::npos) {
-      listeners()->Append(new StreamingListener(target.substr(0, pos),
-                                                target.substr(pos+1)));
-    } else {
-      GTEST_LOG_(WARNING) << "unrecognized streaming target \"" << target
-                          << "\" ignored.";
-    }
-  }
-}
-#endif  // GTEST_CAN_STREAM_RESULTS_
-
-// Performs initialization dependent upon flag values obtained in
-// ParseGoogleTestFlagsOnly.  Is called from InitGoogleTest after the call to
-// ParseGoogleTestFlagsOnly.  In case a user neglects to call InitGoogleTest
-// this function is also called from RunAllTests.  Since this function can be
-// called more than once, it has to be idempotent.
-void UnitTestImpl::PostFlagParsingInit() {
-  // Ensures that this function does not execute more than once.
-  if (!post_flag_parse_init_performed_) {
-    post_flag_parse_init_performed_ = true;
-
-#if defined(GTEST_CUSTOM_TEST_EVENT_LISTENER_)
-    // Register to send notifications about key process state changes.
-    listeners()->Append(new GTEST_CUSTOM_TEST_EVENT_LISTENER_());
-#endif  // defined(GTEST_CUSTOM_TEST_EVENT_LISTENER_)
-
-#if GTEST_HAS_DEATH_TEST
-    InitDeathTestSubprocessControlInfo();
-    SuppressTestEventsIfInSubprocess();
-#endif  // GTEST_HAS_DEATH_TEST
-
-    // Registers parameterized tests. This makes parameterized tests
-    // available to the UnitTest reflection API without running
-    // RUN_ALL_TESTS.
-    RegisterParameterizedTests();
-
-    // Configures listeners for XML output. This makes it possible for users
-    // to shut down the default XML output before invoking RUN_ALL_TESTS.
-    ConfigureXmlOutput();
-
-    if (GTEST_FLAG(brief)) {
-      listeners()->SetDefaultResultPrinter(new BriefUnitTestResultPrinter);
-    }
-
-#if GTEST_CAN_STREAM_RESULTS_
-    // Configures listeners for streaming test results to the specified server.
-    ConfigureStreamingOutput();
-#endif  // GTEST_CAN_STREAM_RESULTS_
-
-#if GTEST_HAS_ABSL
-    if (GTEST_FLAG(install_failure_signal_handler)) {
-      absl::FailureSignalHandlerOptions options;
-      absl::InstallFailureSignalHandler(options);
-    }
-#endif  // GTEST_HAS_ABSL
-  }
-}
-
-// A predicate that checks the name of a TestSuite against a known
-// value.
-//
-// This is used for implementation of the UnitTest class only.  We put
-// it in the anonymous namespace to prevent polluting the outer
-// namespace.
-//
-// TestSuiteNameIs is copyable.
-class TestSuiteNameIs {
- public:
-  // Constructor.
-  explicit TestSuiteNameIs(const std::string& name) : name_(name) {}
-
-  // Returns true if and only if the name of test_suite matches name_.
-  bool operator()(const TestSuite* test_suite) const {
-    return test_suite != nullptr &&
-           strcmp(test_suite->name(), name_.c_str()) == 0;
-  }
-
- private:
-  std::string name_;
-};
-
-// Finds and returns a TestSuite with the given name.  If one doesn't
-// exist, creates one and returns it.  It's the CALLER'S
-// RESPONSIBILITY to ensure that this function is only called WHEN THE
-// TESTS ARE NOT SHUFFLED.
-//
-// Arguments:
-//
-//   test_suite_name: name of the test suite
-//   type_param:      the name of the test suite's type parameter, or NULL if
-//                    this is not a typed or a type-parameterized test suite.
-//   set_up_tc:       pointer to the function that sets up the test suite
-//   tear_down_tc:    pointer to the function that tears down the test suite
-TestSuite* UnitTestImpl::GetTestSuite(
-    const char* test_suite_name, const char* type_param,
-    internal::SetUpTestSuiteFunc set_up_tc,
-    internal::TearDownTestSuiteFunc tear_down_tc) {
-  // Can we find a TestSuite with the given name?
-  const auto test_suite =
-      std::find_if(test_suites_.rbegin(), test_suites_.rend(),
-                   TestSuiteNameIs(test_suite_name));
-
-  if (test_suite != test_suites_.rend()) return *test_suite;
-
-  // No.  Let's create one.
-  auto* const new_test_suite =
-      new TestSuite(test_suite_name, type_param, set_up_tc, tear_down_tc);
-
-  // Is this a death test suite?
-  if (internal::UnitTestOptions::MatchesFilter(test_suite_name,
-                                               kDeathTestSuiteFilter)) {
-    // Yes.  Inserts the test suite after the last death test suite
-    // defined so far.  This only works when the test suites haven't
-    // been shuffled.  Otherwise we may end up running a death test
-    // after a non-death test.
-    ++last_death_test_suite_;
-    test_suites_.insert(test_suites_.begin() + last_death_test_suite_,
-                        new_test_suite);
-  } else {
-    // No.  Appends to the end of the list.
-    test_suites_.push_back(new_test_suite);
-  }
-
-  test_suite_indices_.push_back(static_cast<int>(test_suite_indices_.size()));
-  return new_test_suite;
-}
-
-// Helpers for setting up / tearing down the given environment.  They
-// are for use in the ForEach() function.
-static void SetUpEnvironment(Environment* env) { env->SetUp(); }
-static void TearDownEnvironment(Environment* env) { env->TearDown(); }
-
-// Runs all tests in this UnitTest object, prints the result, and
-// returns true if all tests are successful.  If any exception is
-// thrown during a test, the test is considered to be failed, but the
-// rest of the tests will still be run.
-//
-// When parameterized tests are enabled, it expands and registers
-// parameterized tests first in RegisterParameterizedTests().
-// All other functions called from RunAllTests() may safely assume that
-// parameterized tests are ready to be counted and run.
-bool UnitTestImpl::RunAllTests() {
-  // True if and only if Google Test is initialized before RUN_ALL_TESTS() is
-  // called.
-  const bool gtest_is_initialized_before_run_all_tests = GTestIsInitialized();
-
-  // Do not run any test if the --help flag was specified.
-  if (g_help_flag)
-    return true;
-
-  // Repeats the call to the post-flag parsing initialization in case the
-  // user didn't call InitGoogleTest.
-  PostFlagParsingInit();
-
-  // Even if sharding is not on, test runners may want to use the
-  // GTEST_SHARD_STATUS_FILE to query whether the test supports the sharding
-  // protocol.
-  internal::WriteToShardStatusFileIfNeeded();
-
-  // True if and only if we are in a subprocess for running a thread-safe-style
-  // death test.
-  bool in_subprocess_for_death_test = false;
-
-#if GTEST_HAS_DEATH_TEST
-  in_subprocess_for_death_test =
-      (internal_run_death_test_flag_.get() != nullptr);
-# if defined(GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_)
-  if (in_subprocess_for_death_test) {
-    GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_();
-  }
-# endif  // defined(GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_)
-#endif  // GTEST_HAS_DEATH_TEST
-
-  const bool should_shard = ShouldShard(kTestTotalShards, kTestShardIndex,
-                                        in_subprocess_for_death_test);
-
-  // Compares the full test names with the filter to decide which
-  // tests to run.
-  const bool has_tests_to_run = FilterTests(should_shard
-                                              ? HONOR_SHARDING_PROTOCOL
-                                              : IGNORE_SHARDING_PROTOCOL) > 0;
-
-  // Lists the tests and exits if the --gtest_list_tests flag was specified.
-  if (GTEST_FLAG(list_tests)) {
-    // This must be called *after* FilterTests() has been called.
-    ListTestsMatchingFilter();
-    return true;
-  }
-
-  random_seed_ = GTEST_FLAG(shuffle) ?
-      GetRandomSeedFromFlag(GTEST_FLAG(random_seed)) : 0;
-
-  // True if and only if at least one test has failed.
-  bool failed = false;
-
-  TestEventListener* repeater = listeners()->repeater();
-
-  start_timestamp_ = GetTimeInMillis();
-  repeater->OnTestProgramStart(*parent_);
-
-  // How many times to repeat the tests?  We don't want to repeat them
-  // when we are inside the subprocess of a death test.
-  const int repeat = in_subprocess_for_death_test ? 1 : GTEST_FLAG(repeat);
-  // Repeats forever if the repeat count is negative.
-  const bool gtest_repeat_forever = repeat < 0;
-  for (int i = 0; gtest_repeat_forever || i != repeat; i++) {
-    // We want to preserve failures generated by ad-hoc test
-    // assertions executed before RUN_ALL_TESTS().
-    ClearNonAdHocTestResult();
-
-    Timer timer;
-
-    // Shuffles test suites and tests if requested.
-    if (has_tests_to_run && GTEST_FLAG(shuffle)) {
-      random()->Reseed(static_cast<uint32_t>(random_seed_));
-      // This should be done before calling OnTestIterationStart(),
-      // such that a test event listener can see the actual test order
-      // in the event.
-      ShuffleTests();
-    }
-
-    // Tells the unit test event listeners that the tests are about to start.
-    repeater->OnTestIterationStart(*parent_, i);
-
-    // Runs each test suite if there is at least one test to run.
-    if (has_tests_to_run) {
-      // Sets up all environments beforehand.
-      repeater->OnEnvironmentsSetUpStart(*parent_);
-      ForEach(environments_, SetUpEnvironment);
-      repeater->OnEnvironmentsSetUpEnd(*parent_);
-
-      // Runs the tests only if there was no fatal failure or skip triggered
-      // during global set-up.
-      if (Test::IsSkipped()) {
-        // Emit diagnostics when global set-up calls skip, as it will not be
-        // emitted by default.
-        TestResult& test_result =
-            *internal::GetUnitTestImpl()->current_test_result();
-        for (int j = 0; j < test_result.total_part_count(); ++j) {
-          const TestPartResult& test_part_result =
-              test_result.GetTestPartResult(j);
-          if (test_part_result.type() == TestPartResult::kSkip) {
-            const std::string& result = test_part_result.message();
-            printf("%s\n", result.c_str());
-          }
-        }
-        fflush(stdout);
-      } else if (!Test::HasFatalFailure()) {
-        for (int test_index = 0; test_index < total_test_suite_count();
-             test_index++) {
-          GetMutableSuiteCase(test_index)->Run();
-          if (GTEST_FLAG(fail_fast) &&
-              GetMutableSuiteCase(test_index)->Failed()) {
-            for (int j = test_index + 1; j < total_test_suite_count(); j++) {
-              GetMutableSuiteCase(j)->Skip();
-            }
-            break;
-          }
-        }
-      } else if (Test::HasFatalFailure()) {
-        // If there was a fatal failure during the global setup then we know we
-        // aren't going to run any tests. Explicitly mark all of the tests as
-        // skipped to make this obvious in the output.
-        for (int test_index = 0; test_index < total_test_suite_count();
-             test_index++) {
-          GetMutableSuiteCase(test_index)->Skip();
-        }
-      }
-
-      // Tears down all environments in reverse order afterwards.
-      repeater->OnEnvironmentsTearDownStart(*parent_);
-      std::for_each(environments_.rbegin(), environments_.rend(),
-                    TearDownEnvironment);
-      repeater->OnEnvironmentsTearDownEnd(*parent_);
-    }
-
-    elapsed_time_ = timer.Elapsed();
-
-    // Tells the unit test event listener that the tests have just finished.
-    repeater->OnTestIterationEnd(*parent_, i);
-
-    // Gets the result and clears it.
-    if (!Passed()) {
-      failed = true;
-    }
-
-    // Restores the original test order after the iteration.  This
-    // allows the user to quickly repro a failure that happens in the
-    // N-th iteration without repeating the first (N - 1) iterations.
-    // This is not enclosed in "if (GTEST_FLAG(shuffle)) { ... }", in
-    // case the user somehow changes the value of the flag somewhere
-    // (it's always safe to unshuffle the tests).
-    UnshuffleTests();
-
-    if (GTEST_FLAG(shuffle)) {
-      // Picks a new random seed for each iteration.
-      random_seed_ = GetNextRandomSeed(random_seed_);
-    }
-  }
-
-  repeater->OnTestProgramEnd(*parent_);
-
-  if (!gtest_is_initialized_before_run_all_tests) {
-    ColoredPrintf(
-        GTestColor::kRed,
-        "\nIMPORTANT NOTICE - DO NOT IGNORE:\n"
-        "This test program did NOT call " GTEST_INIT_GOOGLE_TEST_NAME_
-        "() before calling RUN_ALL_TESTS(). This is INVALID. Soon " GTEST_NAME_
-        " will start to enforce the valid usage. "
-        "Please fix it ASAP, or IT WILL START TO FAIL.\n");  // NOLINT
-#if GTEST_FOR_GOOGLE_
-    ColoredPrintf(GTestColor::kRed,
-                  "For more details, see http://wiki/Main/ValidGUnitMain.\n");
-#endif  // GTEST_FOR_GOOGLE_
-  }
-
-  return !failed;
-}
-
-// Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
-// if the variable is present. If a file already exists at this location, this
-// function will write over it. If the variable is present, but the file cannot
-// be created, prints an error and exits.
-void WriteToShardStatusFileIfNeeded() {
-  const char* const test_shard_file = posix::GetEnv(kTestShardStatusFile);
-  if (test_shard_file != nullptr) {
-    FILE* const file = posix::FOpen(test_shard_file, "w");
-    if (file == nullptr) {
-      ColoredPrintf(GTestColor::kRed,
-                    "Could not write to the test shard status file \"%s\" "
-                    "specified by the %s environment variable.\n",
-                    test_shard_file, kTestShardStatusFile);
-      fflush(stdout);
-      exit(EXIT_FAILURE);
-    }
-    fclose(file);
-  }
-}
-
-// Checks whether sharding is enabled by examining the relevant
-// environment variable values. If the variables are present,
-// but inconsistent (i.e., shard_index >= total_shards), prints
-// an error and exits. If in_subprocess_for_death_test, sharding is
-// disabled because it must only be applied to the original test
-// process. Otherwise, we could filter out death tests we intended to execute.
-bool ShouldShard(const char* total_shards_env,
-                 const char* shard_index_env,
-                 bool in_subprocess_for_death_test) {
-  if (in_subprocess_for_death_test) {
-    return false;
-  }
-
-  const int32_t total_shards = Int32FromEnvOrDie(total_shards_env, -1);
-  const int32_t shard_index = Int32FromEnvOrDie(shard_index_env, -1);
-
-  if (total_shards == -1 && shard_index == -1) {
-    return false;
-  } else if (total_shards == -1 && shard_index != -1) {
-    const Message msg = Message()
-      << "Invalid environment variables: you have "
-      << kTestShardIndex << " = " << shard_index
-      << ", but have left " << kTestTotalShards << " unset.\n";
-    ColoredPrintf(GTestColor::kRed, "%s", msg.GetString().c_str());
-    fflush(stdout);
-    exit(EXIT_FAILURE);
-  } else if (total_shards != -1 && shard_index == -1) {
-    const Message msg = Message()
-      << "Invalid environment variables: you have "
-      << kTestTotalShards << " = " << total_shards
-      << ", but have left " << kTestShardIndex << " unset.\n";
-    ColoredPrintf(GTestColor::kRed, "%s", msg.GetString().c_str());
-    fflush(stdout);
-    exit(EXIT_FAILURE);
-  } else if (shard_index < 0 || shard_index >= total_shards) {
-    const Message msg = Message()
-      << "Invalid environment variables: we require 0 <= "
-      << kTestShardIndex << " < " << kTestTotalShards
-      << ", but you have " << kTestShardIndex << "=" << shard_index
-      << ", " << kTestTotalShards << "=" << total_shards << ".\n";
-    ColoredPrintf(GTestColor::kRed, "%s", msg.GetString().c_str());
-    fflush(stdout);
-    exit(EXIT_FAILURE);
-  }
-
-  return total_shards > 1;
-}
-
-// Parses the environment variable var as an Int32. If it is unset,
-// returns default_val. If it is not an Int32, prints an error
-// and aborts.
-int32_t Int32FromEnvOrDie(const char* var, int32_t default_val) {
-  const char* str_val = posix::GetEnv(var);
-  if (str_val == nullptr) {
-    return default_val;
-  }
-
-  int32_t result;
-  if (!ParseInt32(Message() << "The value of environment variable " << var,
-                  str_val, &result)) {
-    exit(EXIT_FAILURE);
-  }
-  return result;
-}
-
-// Given the total number of shards, the shard index, and the test id,
-// returns true if and only if the test should be run on this shard. The test id
-// is some arbitrary but unique non-negative integer assigned to each test
-// method. Assumes that 0 <= shard_index < total_shards.
-bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {
-  return (test_id % total_shards) == shard_index;
-}
-
-// Compares the name of each test with the user-specified filter to
-// decide whether the test should be run, then records the result in
-// each TestSuite and TestInfo object.
-// If shard_tests == true, further filters tests based on sharding
-// variables in the environment - see
-// https://github.com/google/googletest/blob/master/googletest/docs/advanced.md
-// . Returns the number of tests that should run.
-int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
-  const int32_t total_shards = shard_tests == HONOR_SHARDING_PROTOCOL ?
-      Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
-  const int32_t shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
-      Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
-
-  // num_runnable_tests are the number of tests that will
-  // run across all shards (i.e., match filter and are not disabled).
-  // num_selected_tests are the number of tests to be run on
-  // this shard.
-  int num_runnable_tests = 0;
-  int num_selected_tests = 0;
-  for (auto* test_suite : test_suites_) {
-    const std::string& test_suite_name = test_suite->name();
-    test_suite->set_should_run(false);
-
-    for (size_t j = 0; j < test_suite->test_info_list().size(); j++) {
-      TestInfo* const test_info = test_suite->test_info_list()[j];
-      const std::string test_name(test_info->name());
-      // A test is disabled if test suite name or test name matches
-      // kDisableTestFilter.
-      const bool is_disabled = internal::UnitTestOptions::MatchesFilter(
-                                   test_suite_name, kDisableTestFilter) ||
-                               internal::UnitTestOptions::MatchesFilter(
-                                   test_name, kDisableTestFilter);
-      test_info->is_disabled_ = is_disabled;
-
-      const bool matches_filter = internal::UnitTestOptions::FilterMatchesTest(
-          test_suite_name, test_name);
-      test_info->matches_filter_ = matches_filter;
-
-      const bool is_runnable =
-          (GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
-          matches_filter;
-
-      const bool is_in_another_shard =
-          shard_tests != IGNORE_SHARDING_PROTOCOL &&
-          !ShouldRunTestOnShard(total_shards, shard_index, num_runnable_tests);
-      test_info->is_in_another_shard_ = is_in_another_shard;
-      const bool is_selected = is_runnable && !is_in_another_shard;
-
-      num_runnable_tests += is_runnable;
-      num_selected_tests += is_selected;
-
-      test_info->should_run_ = is_selected;
-      test_suite->set_should_run(test_suite->should_run() || is_selected);
-    }
-  }
-  return num_selected_tests;
-}
-
-// Prints the given C-string on a single line by replacing all '\n'
-// characters with string "\\n".  If the output takes more than
-// max_length characters, only prints the first max_length characters
-// and "...".
-static void PrintOnOneLine(const char* str, int max_length) {
-  if (str != nullptr) {
-    for (int i = 0; *str != '\0'; ++str) {
-      if (i >= max_length) {
-        printf("...");
-        break;
-      }
-      if (*str == '\n') {
-        printf("\\n");
-        i += 2;
-      } else {
-        printf("%c", *str);
-        ++i;
-      }
-    }
-  }
-}
-
-// Prints the names of the tests matching the user-specified filter flag.
-void UnitTestImpl::ListTestsMatchingFilter() {
-  // Print at most this many characters for each type/value parameter.
-  const int kMaxParamLength = 250;
-
-  for (auto* test_suite : test_suites_) {
-    bool printed_test_suite_name = false;
-
-    for (size_t j = 0; j < test_suite->test_info_list().size(); j++) {
-      const TestInfo* const test_info = test_suite->test_info_list()[j];
-      if (test_info->matches_filter_) {
-        if (!printed_test_suite_name) {
-          printed_test_suite_name = true;
-          printf("%s.", test_suite->name());
-          if (test_suite->type_param() != nullptr) {
-            printf("  # %s = ", kTypeParamLabel);
-            // We print the type parameter on a single line to make
-            // the output easy to parse by a program.
-            PrintOnOneLine(test_suite->type_param(), kMaxParamLength);
-          }
-          printf("\n");
-        }
-        printf("  %s", test_info->name());
-        if (test_info->value_param() != nullptr) {
-          printf("  # %s = ", kValueParamLabel);
-          // We print the value parameter on a single line to make the
-          // output easy to parse by a program.
-          PrintOnOneLine(test_info->value_param(), kMaxParamLength);
-        }
-        printf("\n");
-      }
-    }
-  }
-  fflush(stdout);
-  const std::string& output_format = UnitTestOptions::GetOutputFormat();
-  if (output_format == "xml" || output_format == "json") {
-    FILE* fileout = OpenFileForWriting(
-        UnitTestOptions::GetAbsolutePathToOutputFile().c_str());
-    std::stringstream stream;
-    if (output_format == "xml") {
-      XmlUnitTestResultPrinter(
-          UnitTestOptions::GetAbsolutePathToOutputFile().c_str())
-          .PrintXmlTestsList(&stream, test_suites_);
-    } else if (output_format == "json") {
-      JsonUnitTestResultPrinter(
-          UnitTestOptions::GetAbsolutePathToOutputFile().c_str())
-          .PrintJsonTestList(&stream, test_suites_);
-    }
-    fprintf(fileout, "%s", StringStreamToString(&stream).c_str());
-    fclose(fileout);
-  }
-}
-
-// Sets the OS stack trace getter.
-//
-// Does nothing if the input and the current OS stack trace getter are
-// the same; otherwise, deletes the old getter and makes the input the
-// current getter.
-void UnitTestImpl::set_os_stack_trace_getter(
-    OsStackTraceGetterInterface* getter) {
-  if (os_stack_trace_getter_ != getter) {
-    delete os_stack_trace_getter_;
-    os_stack_trace_getter_ = getter;
-  }
-}
-
-// Returns the current OS stack trace getter if it is not NULL;
-// otherwise, creates an OsStackTraceGetter, makes it the current
-// getter, and returns it.
-OsStackTraceGetterInterface* UnitTestImpl::os_stack_trace_getter() {
-  if (os_stack_trace_getter_ == nullptr) {
-#ifdef GTEST_OS_STACK_TRACE_GETTER_
-    os_stack_trace_getter_ = new GTEST_OS_STACK_TRACE_GETTER_;
-#else
-    os_stack_trace_getter_ = new OsStackTraceGetter;
-#endif  // GTEST_OS_STACK_TRACE_GETTER_
-  }
-
-  return os_stack_trace_getter_;
-}
-
-// Returns the most specific TestResult currently running.
-TestResult* UnitTestImpl::current_test_result() {
-  if (current_test_info_ != nullptr) {
-    return &current_test_info_->result_;
-  }
-  if (current_test_suite_ != nullptr) {
-    return &current_test_suite_->ad_hoc_test_result_;
-  }
-  return &ad_hoc_test_result_;
-}
-
-// Shuffles all test suites, and the tests within each test suite,
-// making sure that death tests are still run first.
-void UnitTestImpl::ShuffleTests() {
-  // Shuffles the death test suites.
-  ShuffleRange(random(), 0, last_death_test_suite_ + 1, &test_suite_indices_);
-
-  // Shuffles the non-death test suites.
-  ShuffleRange(random(), last_death_test_suite_ + 1,
-               static_cast<int>(test_suites_.size()), &test_suite_indices_);
-
-  // Shuffles the tests inside each test suite.
-  for (auto& test_suite : test_suites_) {
-    test_suite->ShuffleTests(random());
-  }
-}
-
-// Restores the test suites and tests to their order before the first shuffle.
-void UnitTestImpl::UnshuffleTests() {
-  for (size_t i = 0; i < test_suites_.size(); i++) {
-    // Unshuffles the tests in each test suite.
-    test_suites_[i]->UnshuffleTests();
-    // Resets the index of each test suite.
-    test_suite_indices_[i] = static_cast<int>(i);
-  }
-}
-
-// Returns the current OS stack trace as an std::string.
-//
-// The maximum number of stack frames to be included is specified by
-// the gtest_stack_trace_depth flag.  The skip_count parameter
-// specifies the number of top frames to be skipped, which doesn't
-// count against the number of frames to be included.
-//
-// For example, if Foo() calls Bar(), which in turn calls
-// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in
-// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't.
-std::string GetCurrentOsStackTraceExceptTop(UnitTest* /*unit_test*/,
-                                            int skip_count) {
-  // We pass skip_count + 1 to skip this wrapper function in addition
-  // to what the user really wants to skip.
-  return GetUnitTestImpl()->CurrentOsStackTraceExceptTop(skip_count + 1);
-}
-
-// Used by the GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_ macro to
-// suppress unreachable code warnings.
-namespace {
-class ClassUniqueToAlwaysTrue {};
-}
-
-bool IsTrue(bool condition) { return condition; }
-
-bool AlwaysTrue() {
-#if GTEST_HAS_EXCEPTIONS
-  // This condition is always false so AlwaysTrue() never actually throws,
-  // but it makes the compiler think that it may throw.
-  if (IsTrue(false))
-    throw ClassUniqueToAlwaysTrue();
-#endif  // GTEST_HAS_EXCEPTIONS
-  return true;
-}
-
-// If *pstr starts with the given prefix, modifies *pstr to be right
-// past the prefix and returns true; otherwise leaves *pstr unchanged
-// and returns false.  None of pstr, *pstr, and prefix can be NULL.
-bool SkipPrefix(const char* prefix, const char** pstr) {
-  const size_t prefix_len = strlen(prefix);
-  if (strncmp(*pstr, prefix, prefix_len) == 0) {
-    *pstr += prefix_len;
-    return true;
-  }
-  return false;
-}
-
-// Parses a string as a command line flag.  The string should have
-// the format "--flag=value".  When def_optional is true, the "=value"
-// part can be omitted.
-//
-// Returns the value of the flag, or NULL if the parsing failed.
-static const char* ParseFlagValue(const char* str, const char* flag,
-                                  bool def_optional) {
-  // str and flag must not be NULL.
-  if (str == nullptr || flag == nullptr) return nullptr;
-
-  // The flag must start with "--" followed by GTEST_FLAG_PREFIX_.
-  const std::string flag_str = std::string("--") + GTEST_FLAG_PREFIX_ + flag;
-  const size_t flag_len = flag_str.length();
-  if (strncmp(str, flag_str.c_str(), flag_len) != 0) return nullptr;
-
-  // Skips the flag name.
-  const char* flag_end = str + flag_len;
-
-  // When def_optional is true, it's OK to not have a "=value" part.
-  if (def_optional && (flag_end[0] == '\0')) {
-    return flag_end;
-  }
-
-  // If def_optional is true and there are more characters after the
-  // flag name, or if def_optional is false, there must be a '=' after
-  // the flag name.
-  if (flag_end[0] != '=') return nullptr;
-
-  // Returns the string after "=".
-  return flag_end + 1;
-}
-
-// Parses a string for a bool flag, in the form of either
-// "--flag=value" or "--flag".
-//
-// In the former case, the value is taken as true as long as it does
-// not start with '0', 'f', or 'F'.
-//
-// In the latter case, the value is taken as true.
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-static bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, true);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Converts the string value to a bool.
-  *value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
-  return true;
-}
-
-// Parses a string for an int32_t flag, in the form of "--flag=value".
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  return ParseInt32(Message() << "The value of flag --" << flag,
-                    value_str, value);
-}
-
-// Parses a string for a string flag, in the form of "--flag=value".
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-template <typename String>
-static bool ParseStringFlag(const char* str, const char* flag, String* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  *value = value_str;
-  return true;
-}
-
-// Determines whether a string has a prefix that Google Test uses for its
-// flags, i.e., starts with GTEST_FLAG_PREFIX_ or GTEST_FLAG_PREFIX_DASH_.
-// If Google Test detects that a command line flag has its prefix but is not
-// recognized, it will print its help message. Flags starting with
-// GTEST_INTERNAL_PREFIX_ followed by "internal_" are considered Google Test
-// internal flags and do not trigger the help message.
-static bool HasGoogleTestFlagPrefix(const char* str) {
-  return (SkipPrefix("--", &str) ||
-          SkipPrefix("-", &str) ||
-          SkipPrefix("/", &str)) &&
-         !SkipPrefix(GTEST_FLAG_PREFIX_ "internal_", &str) &&
-         (SkipPrefix(GTEST_FLAG_PREFIX_, &str) ||
-          SkipPrefix(GTEST_FLAG_PREFIX_DASH_, &str));
-}
-
-// Prints a string containing code-encoded text.  The following escape
-// sequences can be used in the string to control the text color:
-//
-//   @@    prints a single '@' character.
-//   @R    changes the color to red.
-//   @G    changes the color to green.
-//   @Y    changes the color to yellow.
-//   @D    changes to the default terminal text color.
-//
-static void PrintColorEncoded(const char* str) {
-  GTestColor color = GTestColor::kDefault;  // The current color.
-
-  // Conceptually, we split the string into segments divided by escape
-  // sequences.  Then we print one segment at a time.  At the end of
-  // each iteration, the str pointer advances to the beginning of the
-  // next segment.
-  for (;;) {
-    const char* p = strchr(str, '@');
-    if (p == nullptr) {
-      ColoredPrintf(color, "%s", str);
-      return;
-    }
-
-    ColoredPrintf(color, "%s", std::string(str, p).c_str());
-
-    const char ch = p[1];
-    str = p + 2;
-    if (ch == '@') {
-      ColoredPrintf(color, "@");
-    } else if (ch == 'D') {
-      color = GTestColor::kDefault;
-    } else if (ch == 'R') {
-      color = GTestColor::kRed;
-    } else if (ch == 'G') {
-      color = GTestColor::kGreen;
-    } else if (ch == 'Y') {
-      color = GTestColor::kYellow;
-    } else {
-      --str;
-    }
-  }
-}
-
-static const char kColorEncodedHelpMessage[] =
-    "This program contains tests written using " GTEST_NAME_
-    ". You can use the\n"
-    "following command line flags to control its behavior:\n"
-    "\n"
-    "Test Selection:\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "list_tests@D\n"
-    "      List the names of all tests instead of running them. The name of\n"
-    "      TEST(Foo, Bar) is \"Foo.Bar\".\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "filter=@YPOSITIVE_PATTERNS"
-    "[@G-@YNEGATIVE_PATTERNS]@D\n"
-    "      Run only the tests whose name matches one of the positive patterns "
-    "but\n"
-    "      none of the negative patterns. '?' matches any single character; "
-    "'*'\n"
-    "      matches any substring; ':' separates two patterns.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "also_run_disabled_tests@D\n"
-    "      Run all disabled tests too.\n"
-    "\n"
-    "Test Execution:\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "repeat=@Y[COUNT]@D\n"
-    "      Run the tests repeatedly; use a negative count to repeat forever.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "shuffle@D\n"
-    "      Randomize tests' orders on every iteration.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "random_seed=@Y[NUMBER]@D\n"
-    "      Random number seed to use for shuffling test orders (between 1 and\n"
-    "      99999, or 0 to use a seed based on the current time).\n"
-    "\n"
-    "Test Output:\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "color=@Y(@Gyes@Y|@Gno@Y|@Gauto@Y)@D\n"
-    "      Enable/disable colored output. The default is @Gauto@D.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "brief=1@D\n"
-    "      Only print test failures.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "print_time=0@D\n"
-    "      Don't print the elapsed time of each test.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "output=@Y(@Gjson@Y|@Gxml@Y)[@G:@YDIRECTORY_PATH@G" GTEST_PATH_SEP_
-    "@Y|@G:@YFILE_PATH]@D\n"
-    "      Generate a JSON or XML report in the given directory or with the "
-    "given\n"
-    "      file name. @YFILE_PATH@D defaults to @Gtest_detail.xml@D.\n"
-# if GTEST_CAN_STREAM_RESULTS_
-    "  @G--" GTEST_FLAG_PREFIX_
-    "stream_result_to=@YHOST@G:@YPORT@D\n"
-    "      Stream test results to the given server.\n"
-# endif  // GTEST_CAN_STREAM_RESULTS_
-    "\n"
-    "Assertion Behavior:\n"
-# if GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
-    "  @G--" GTEST_FLAG_PREFIX_
-    "death_test_style=@Y(@Gfast@Y|@Gthreadsafe@Y)@D\n"
-    "      Set the default death test style.\n"
-# endif  // GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
-    "  @G--" GTEST_FLAG_PREFIX_
-    "break_on_failure@D\n"
-    "      Turn assertion failures into debugger break-points.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "throw_on_failure@D\n"
-    "      Turn assertion failures into C++ exceptions for use by an external\n"
-    "      test framework.\n"
-    "  @G--" GTEST_FLAG_PREFIX_
-    "catch_exceptions=0@D\n"
-    "      Do not report exceptions as test failures. Instead, allow them\n"
-    "      to crash the program or throw a pop-up (on Windows).\n"
-    "\n"
-    "Except for @G--" GTEST_FLAG_PREFIX_
-    "list_tests@D, you can alternatively set "
-    "the corresponding\n"
-    "environment variable of a flag (all letters in upper-case). For example, "
-    "to\n"
-    "disable colored text output, you can either specify "
-    "@G--" GTEST_FLAG_PREFIX_
-    "color=no@D or set\n"
-    "the @G" GTEST_FLAG_PREFIX_UPPER_
-    "COLOR@D environment variable to @Gno@D.\n"
-    "\n"
-    "For more information, please read the " GTEST_NAME_
-    " documentation at\n"
-    "@G" GTEST_PROJECT_URL_ "@D. If you find a bug in " GTEST_NAME_
-    "\n"
-    "(not one in your own code or tests), please report it to\n"
-    "@G<" GTEST_DEV_EMAIL_ ">@D.\n";
-
-static bool ParseGoogleTestFlag(const char* const arg) {
-  return ParseBoolFlag(arg, kAlsoRunDisabledTestsFlag,
-                       &GTEST_FLAG(also_run_disabled_tests)) ||
-         ParseBoolFlag(arg, kBreakOnFailureFlag,
-                       &GTEST_FLAG(break_on_failure)) ||
-         ParseBoolFlag(arg, kCatchExceptionsFlag,
-                       &GTEST_FLAG(catch_exceptions)) ||
-         ParseStringFlag(arg, kColorFlag, &GTEST_FLAG(color)) ||
-         ParseStringFlag(arg, kDeathTestStyleFlag,
-                         &GTEST_FLAG(death_test_style)) ||
-         ParseBoolFlag(arg, kDeathTestUseFork,
-                       &GTEST_FLAG(death_test_use_fork)) ||
-         ParseBoolFlag(arg, kFailFast, &GTEST_FLAG(fail_fast)) ||
-         ParseStringFlag(arg, kFilterFlag, &GTEST_FLAG(filter)) ||
-         ParseStringFlag(arg, kInternalRunDeathTestFlag,
-                         &GTEST_FLAG(internal_run_death_test)) ||
-         ParseBoolFlag(arg, kListTestsFlag, &GTEST_FLAG(list_tests)) ||
-         ParseStringFlag(arg, kOutputFlag, &GTEST_FLAG(output)) ||
-         ParseBoolFlag(arg, kBriefFlag, &GTEST_FLAG(brief)) ||
-         ParseBoolFlag(arg, kPrintTimeFlag, &GTEST_FLAG(print_time)) ||
-         ParseBoolFlag(arg, kPrintUTF8Flag, &GTEST_FLAG(print_utf8)) ||
-         ParseInt32Flag(arg, kRandomSeedFlag, &GTEST_FLAG(random_seed)) ||
-         ParseInt32Flag(arg, kRepeatFlag, &GTEST_FLAG(repeat)) ||
-         ParseBoolFlag(arg, kShuffleFlag, &GTEST_FLAG(shuffle)) ||
-         ParseInt32Flag(arg, kStackTraceDepthFlag,
-                        &GTEST_FLAG(stack_trace_depth)) ||
-         ParseStringFlag(arg, kStreamResultToFlag,
-                         &GTEST_FLAG(stream_result_to)) ||
-         ParseBoolFlag(arg, kThrowOnFailureFlag, &GTEST_FLAG(throw_on_failure));
-}
-
-#if GTEST_USE_OWN_FLAGFILE_FLAG_
-static void LoadFlagsFromFile(const std::string& path) {
-  FILE* flagfile = posix::FOpen(path.c_str(), "r");
-  if (!flagfile) {
-    GTEST_LOG_(FATAL) << "Unable to open file \"" << GTEST_FLAG(flagfile)
-                      << "\"";
-  }
-  std::string contents(ReadEntireFile(flagfile));
-  posix::FClose(flagfile);
-  std::vector<std::string> lines;
-  SplitString(contents, '\n', &lines);
-  for (size_t i = 0; i < lines.size(); ++i) {
-    if (lines[i].empty())
-      continue;
-    if (!ParseGoogleTestFlag(lines[i].c_str()))
-      g_help_flag = true;
-  }
-}
-#endif  // GTEST_USE_OWN_FLAGFILE_FLAG_
-
-// Parses the command line for Google Test flags, without initializing
-// other parts of Google Test.  The type parameter CharType can be
-// instantiated to either char or wchar_t.
-template <typename CharType>
-void ParseGoogleTestFlagsOnlyImpl(int* argc, CharType** argv) {
-  for (int i = 1; i < *argc; i++) {
-    const std::string arg_string = StreamableToString(argv[i]);
-    const char* const arg = arg_string.c_str();
-
-    using internal::ParseBoolFlag;
-    using internal::ParseInt32Flag;
-    using internal::ParseStringFlag;
-
-    bool remove_flag = false;
-    if (ParseGoogleTestFlag(arg)) {
-      remove_flag = true;
-#if GTEST_USE_OWN_FLAGFILE_FLAG_
-    } else if (ParseStringFlag(arg, kFlagfileFlag, &GTEST_FLAG(flagfile))) {
-      LoadFlagsFromFile(GTEST_FLAG(flagfile));
-      remove_flag = true;
-#endif  // GTEST_USE_OWN_FLAGFILE_FLAG_
-    } else if (arg_string == "--help" || arg_string == "-h" ||
-               arg_string == "-?" || arg_string == "/?" ||
-               HasGoogleTestFlagPrefix(arg)) {
-      // Both help flag and unrecognized Google Test flags (excluding
-      // internal ones) trigger help display.
-      g_help_flag = true;
-    }
-
-    if (remove_flag) {
-      // Shift the remainder of the argv list left by one.  Note
-      // that argv has (*argc + 1) elements, the last one always being
-      // NULL.  The following loop moves the trailing NULL element as
-      // well.
-      for (int j = i; j != *argc; j++) {
-        argv[j] = argv[j + 1];
-      }
-
-      // Decrements the argument count.
-      (*argc)--;
-
-      // We also need to decrement the iterator as we just removed
-      // an element.
-      i--;
-    }
-  }
-
-  if (g_help_flag) {
-    // We print the help here instead of in RUN_ALL_TESTS(), as the
-    // latter may not be called at all if the user is using Google
-    // Test with another testing framework.
-    PrintColorEncoded(kColorEncodedHelpMessage);
-  }
-}
-
-// Parses the command line for Google Test flags, without initializing
-// other parts of Google Test.
-void ParseGoogleTestFlagsOnly(int* argc, char** argv) {
-  ParseGoogleTestFlagsOnlyImpl(argc, argv);
-
-  // Fix the value of *_NSGetArgc() on macOS, but if and only if
-  // *_NSGetArgv() == argv
-  // Only applicable to char** version of argv
-#if GTEST_OS_MAC
-#ifndef GTEST_OS_IOS
-  if (*_NSGetArgv() == argv) {
-    *_NSGetArgc() = *argc;
-  }
-#endif
-#endif
-}
-void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv) {
-  ParseGoogleTestFlagsOnlyImpl(argc, argv);
-}
-
-// The internal implementation of InitGoogleTest().
-//
-// The type parameter CharType can be instantiated to either char or
-// wchar_t.
-template <typename CharType>
-void InitGoogleTestImpl(int* argc, CharType** argv) {
-  // We don't want to run the initialization code twice.
-  if (GTestIsInitialized()) return;
-
-  if (*argc <= 0) return;
-
-  g_argvs.clear();
-  for (int i = 0; i != *argc; i++) {
-    g_argvs.push_back(StreamableToString(argv[i]));
-  }
-
-#if GTEST_HAS_ABSL
-  absl::InitializeSymbolizer(g_argvs[0].c_str());
-#endif  // GTEST_HAS_ABSL
-
-  ParseGoogleTestFlagsOnly(argc, argv);
-  GetUnitTestImpl()->PostFlagParsingInit();
-}
-
-}  // namespace internal
-
-// Initializes Google Test.  This must be called before calling
-// RUN_ALL_TESTS().  In particular, it parses a command line for the
-// flags that Google Test recognizes.  Whenever a Google Test flag is
-// seen, it is removed from argv, and *argc is decremented.
-//
-// No value is returned.  Instead, the Google Test flag variables are
-// updated.
-//
-// Calling the function for the second time has no user-visible effect.
-void InitGoogleTest(int* argc, char** argv) {
-#if defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_(argc, argv);
-#else  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  internal::InitGoogleTestImpl(argc, argv);
-#endif  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-}
-
-// This overloaded version can be used in Windows programs compiled in
-// UNICODE mode.
-void InitGoogleTest(int* argc, wchar_t** argv) {
-#if defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_(argc, argv);
-#else  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  internal::InitGoogleTestImpl(argc, argv);
-#endif  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-}
-
-// This overloaded version can be used on Arduino/embedded platforms where
-// there is no argc/argv.
-void InitGoogleTest() {
-  // Since Arduino doesn't have a command line, fake out the argc/argv arguments
-  int argc = 1;
-  const auto arg0 = "dummy";
-  char* argv0 = const_cast<char*>(arg0);
-  char** argv = &argv0;
-
-#if defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_(&argc, argv);
-#else  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-  internal::InitGoogleTestImpl(&argc, argv);
-#endif  // defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
-}
-
-std::string TempDir() {
-#if defined(GTEST_CUSTOM_TEMPDIR_FUNCTION_)
-  return GTEST_CUSTOM_TEMPDIR_FUNCTION_();
-#elif GTEST_OS_WINDOWS_MOBILE
-  return "\\temp\\";
-#elif GTEST_OS_WINDOWS
-  const char* temp_dir = internal::posix::GetEnv("TEMP");
-  if (temp_dir == nullptr || temp_dir[0] == '\0') {
-    return "\\temp\\";
-  } else if (temp_dir[strlen(temp_dir) - 1] == '\\') {
-    return temp_dir;
-  } else {
-    return std::string(temp_dir) + "\\";
-  }
-#elif GTEST_OS_LINUX_ANDROID
-  const char* temp_dir = internal::posix::GetEnv("TEST_TMPDIR");
-  if (temp_dir == nullptr || temp_dir[0] == '\0') {
-    return "/data/local/tmp/";
-  } else {
-    return temp_dir;
-  }
-#elif GTEST_OS_LINUX
-  const char* temp_dir = internal::posix::GetEnv("TEST_TMPDIR");
-  if (temp_dir == nullptr || temp_dir[0] == '\0') {
-    return "/tmp/";
-  } else {
-    return temp_dir;
-  }
-#else
-  return "/tmp/";
-#endif  // GTEST_OS_WINDOWS_MOBILE
-}
-
-// Class ScopedTrace
-
-// Pushes the given source file location and message onto a per-thread
-// trace stack maintained by Google Test.
-void ScopedTrace::PushTrace(const char* file, int line, std::string message) {
-  internal::TraceInfo trace;
-  trace.file = file;
-  trace.line = line;
-  trace.message.swap(message);
-
-  UnitTest::GetInstance()->PushGTestTrace(trace);
-}
-
-// Pops the info pushed by the c'tor.
-ScopedTrace::~ScopedTrace()
-    GTEST_LOCK_EXCLUDED_(&UnitTest::mutex_) {
-  UnitTest::GetInstance()->PopGTestTrace();
-}
-
-}  // namespace testing
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// This file implements death tests.
-
-
-#include <functional>
-#include <utility>
-
-
-#if GTEST_HAS_DEATH_TEST
-
-# if GTEST_OS_MAC
-#  include <crt_externs.h>
-# endif  // GTEST_OS_MAC
-
-# include <errno.h>
-# include <fcntl.h>
-# include <limits.h>
-
-# if GTEST_OS_LINUX
-#  include <signal.h>
-# endif  // GTEST_OS_LINUX
-
-# include <stdarg.h>
-
-# if GTEST_OS_WINDOWS
-#  include <windows.h>
-# else
-#  include <sys/mman.h>
-#  include <sys/wait.h>
-# endif  // GTEST_OS_WINDOWS
-
-# if GTEST_OS_QNX
-#  include <spawn.h>
-# endif  // GTEST_OS_QNX
-
-# if GTEST_OS_FUCHSIA
-#  include <lib/fdio/fd.h>
-#  include <lib/fdio/io.h>
-#  include <lib/fdio/spawn.h>
-#  include <lib/zx/channel.h>
-#  include <lib/zx/port.h>
-#  include <lib/zx/process.h>
-#  include <lib/zx/socket.h>
-#  include <zircon/processargs.h>
-#  include <zircon/syscalls.h>
-#  include <zircon/syscalls/policy.h>
-#  include <zircon/syscalls/port.h>
-# endif  // GTEST_OS_FUCHSIA
-
-#endif  // GTEST_HAS_DEATH_TEST
-
-
-namespace testing {
-
-// Constants.
-
-// The default death test style.
-//
-// This is defined in internal/gtest-port.h as "fast", but can be overridden by
-// a definition in internal/custom/gtest-port.h. The recommended value, which is
-// used internally at Google, is "threadsafe".
-static const char kDefaultDeathTestStyle[] = GTEST_DEFAULT_DEATH_TEST_STYLE;
-
-GTEST_DEFINE_string_(
-    death_test_style,
-    internal::StringFromGTestEnv("death_test_style", kDefaultDeathTestStyle),
-    "Indicates how to run a death test in a forked child process: "
-    "\"threadsafe\" (child process re-executes the test binary "
-    "from the beginning, running only the specific death test) or "
-    "\"fast\" (child process runs the death test immediately "
-    "after forking).");
-
-GTEST_DEFINE_bool_(
-    death_test_use_fork,
-    internal::BoolFromGTestEnv("death_test_use_fork", false),
-    "Instructs to use fork()/_exit() instead of clone() in death tests. "
-    "Ignored and always uses fork() on POSIX systems where clone() is not "
-    "implemented. Useful when running under valgrind or similar tools if "
-    "those do not support clone(). Valgrind 3.3.1 will just fail if "
-    "it sees an unsupported combination of clone() flags. "
-    "It is not recommended to use this flag w/o valgrind though it will "
-    "work in 99% of the cases. Once valgrind is fixed, this flag will "
-    "most likely be removed.");
-
-namespace internal {
-GTEST_DEFINE_string_(
-    internal_run_death_test, "",
-    "Indicates the file, line number, temporal index of "
-    "the single death test to run, and a file descriptor to "
-    "which a success code may be sent, all separated by "
-    "the '|' characters.  This flag is specified if and only if the "
-    "current process is a sub-process launched for running a thread-safe "
-    "death test.  FOR INTERNAL USE ONLY.");
-}  // namespace internal
-
-#if GTEST_HAS_DEATH_TEST
-
-namespace internal {
-
-// Valid only for fast death tests. Indicates the code is running in the
-// child process of a fast style death test.
-# if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-static bool g_in_fast_death_test_child = false;
-# endif
-
-// Returns a Boolean value indicating whether the caller is currently
-// executing in the context of the death test child process.  Tools such as
-// Valgrind heap checkers may need this to modify their behavior in death
-// tests.  IMPORTANT: This is an internal utility.  Using it may break the
-// implementation of death tests.  User code MUST NOT use it.
-bool InDeathTestChild() {
-# if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
-
-  // On Windows and Fuchsia, death tests are thread-safe regardless of the value
-  // of the death_test_style flag.
-  return !GTEST_FLAG(internal_run_death_test).empty();
-
-# else
-
-  if (GTEST_FLAG(death_test_style) == "threadsafe")
-    return !GTEST_FLAG(internal_run_death_test).empty();
-  else
-    return g_in_fast_death_test_child;
-#endif
-}
-
-}  // namespace internal
-
-// ExitedWithCode constructor.
-ExitedWithCode::ExitedWithCode(int exit_code) : exit_code_(exit_code) {
-}
-
-// ExitedWithCode function-call operator.
-bool ExitedWithCode::operator()(int exit_status) const {
-# if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
-
-  return exit_status == exit_code_;
-
-# else
-
-  return WIFEXITED(exit_status) && WEXITSTATUS(exit_status) == exit_code_;
-
-# endif  // GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
-}
-
-# if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-// KilledBySignal constructor.
-KilledBySignal::KilledBySignal(int signum) : signum_(signum) {
-}
-
-// KilledBySignal function-call operator.
-bool KilledBySignal::operator()(int exit_status) const {
-#  if defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)
-  {
-    bool result;
-    if (GTEST_KILLED_BY_SIGNAL_OVERRIDE_(signum_, exit_status, &result)) {
-      return result;
-    }
-  }
-#  endif  // defined(GTEST_KILLED_BY_SIGNAL_OVERRIDE_)
-  return WIFSIGNALED(exit_status) && WTERMSIG(exit_status) == signum_;
-}
-# endif  // !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-
-namespace internal {
-
-// Utilities needed for death tests.
-
-// Generates a textual description of a given exit code, in the format
-// specified by wait(2).
-static std::string ExitSummary(int exit_code) {
-  Message m;
-
-# if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
-
-  m << "Exited with exit status " << exit_code;
-
-# else
-
-  if (WIFEXITED(exit_code)) {
-    m << "Exited with exit status " << WEXITSTATUS(exit_code);
-  } else if (WIFSIGNALED(exit_code)) {
-    m << "Terminated by signal " << WTERMSIG(exit_code);
-  }
-#  ifdef WCOREDUMP
-  if (WCOREDUMP(exit_code)) {
-    m << " (core dumped)";
-  }
-#  endif
-# endif  // GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
-
-  return m.GetString();
-}
-
-// Returns true if exit_status describes a process that was terminated
-// by a signal, or exited normally with a nonzero exit code.
-bool ExitedUnsuccessfully(int exit_status) {
-  return !ExitedWithCode(0)(exit_status);
-}
-
-# if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-// Generates a textual failure message when a death test finds more than
-// one thread running, or cannot determine the number of threads, prior
-// to executing the given statement.  It is the responsibility of the
-// caller not to pass a thread_count of 1.
-static std::string DeathTestThreadWarning(size_t thread_count) {
-  Message msg;
-  msg << "Death tests use fork(), which is unsafe particularly"
-      << " in a threaded context. For this test, " << GTEST_NAME_ << " ";
-  if (thread_count == 0) {
-    msg << "couldn't detect the number of threads.";
-  } else {
-    msg << "detected " << thread_count << " threads.";
-  }
-  msg << " See "
-         "https://github.com/google/googletest/blob/master/docs/"
-         "advanced.md#death-tests-and-threads"
-      << " for more explanation and suggested solutions, especially if"
-      << " this is the last message you see before your test times out.";
-  return msg.GetString();
-}
-# endif  // !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-
-// Flag characters for reporting a death test that did not die.
-static const char kDeathTestLived = 'L';
-static const char kDeathTestReturned = 'R';
-static const char kDeathTestThrew = 'T';
-static const char kDeathTestInternalError = 'I';
-
-#if GTEST_OS_FUCHSIA
-
-// File descriptor used for the pipe in the child process.
-static const int kFuchsiaReadPipeFd = 3;
-
-#endif
-
-// An enumeration describing all of the possible ways that a death test can
-// conclude.  DIED means that the process died while executing the test
-// code; LIVED means that process lived beyond the end of the test code;
-// RETURNED means that the test statement attempted to execute a return
-// statement, which is not allowed; THREW means that the test statement
-// returned control by throwing an exception.  IN_PROGRESS means the test
-// has not yet concluded.
-enum DeathTestOutcome { IN_PROGRESS, DIED, LIVED, RETURNED, THREW };
-
-// Routine for aborting the program which is safe to call from an
-// exec-style death test child process, in which case the error
-// message is propagated back to the parent process.  Otherwise, the
-// message is simply printed to stderr.  In either case, the program
-// then exits with status 1.
-static void DeathTestAbort(const std::string& message) {
-  // On a POSIX system, this function may be called from a threadsafe-style
-  // death test child process, which operates on a very small stack.  Use
-  // the heap for any additional non-minuscule memory requirements.
-  const InternalRunDeathTestFlag* const flag =
-      GetUnitTestImpl()->internal_run_death_test_flag();
-  if (flag != nullptr) {
-    FILE* parent = posix::FDOpen(flag->write_fd(), "w");
-    fputc(kDeathTestInternalError, parent);
-    fprintf(parent, "%s", message.c_str());
-    fflush(parent);
-    _exit(1);
-  } else {
-    fprintf(stderr, "%s", message.c_str());
-    fflush(stderr);
-    posix::Abort();
-  }
-}
-
-// A replacement for CHECK that calls DeathTestAbort if the assertion
-// fails.
-# define GTEST_DEATH_TEST_CHECK_(expression) \
-  do { \
-    if (!::testing::internal::IsTrue(expression)) { \
-      DeathTestAbort( \
-          ::std::string("CHECK failed: File ") + __FILE__ +  ", line " \
-          + ::testing::internal::StreamableToString(__LINE__) + ": " \
-          + #expression); \
-    } \
-  } while (::testing::internal::AlwaysFalse())
-
-// This macro is similar to GTEST_DEATH_TEST_CHECK_, but it is meant for
-// evaluating any system call that fulfills two conditions: it must return
-// -1 on failure, and set errno to EINTR when it is interrupted and
-// should be tried again.  The macro expands to a loop that repeatedly
-// evaluates the expression as long as it evaluates to -1 and sets
-// errno to EINTR.  If the expression evaluates to -1 but errno is
-// something other than EINTR, DeathTestAbort is called.
-# define GTEST_DEATH_TEST_CHECK_SYSCALL_(expression) \
-  do { \
-    int gtest_retval; \
-    do { \
-      gtest_retval = (expression); \
-    } while (gtest_retval == -1 && errno == EINTR); \
-    if (gtest_retval == -1) { \
-      DeathTestAbort( \
-          ::std::string("CHECK failed: File ") + __FILE__ + ", line " \
-          + ::testing::internal::StreamableToString(__LINE__) + ": " \
-          + #expression + " != -1"); \
-    } \
-  } while (::testing::internal::AlwaysFalse())
-
-// Returns the message describing the last system error in errno.
-std::string GetLastErrnoDescription() {
-    return errno == 0 ? "" : posix::StrError(errno);
-}
-
-// This is called from a death test parent process to read a failure
-// message from the death test child process and log it with the FATAL
-// severity. On Windows, the message is read from a pipe handle. On other
-// platforms, it is read from a file descriptor.
-static void FailFromInternalError(int fd) {
-  Message error;
-  char buffer[256];
-  int num_read;
-
-  do {
-    while ((num_read = posix::Read(fd, buffer, 255)) > 0) {
-      buffer[num_read] = '\0';
-      error << buffer;
-    }
-  } while (num_read == -1 && errno == EINTR);
-
-  if (num_read == 0) {
-    GTEST_LOG_(FATAL) << error.GetString();
-  } else {
-    const int last_error = errno;
-    GTEST_LOG_(FATAL) << "Error while reading death test internal: "
-                      << GetLastErrnoDescription() << " [" << last_error << "]";
-  }
-}
-
-// Death test constructor.  Increments the running death test count
-// for the current test.
-DeathTest::DeathTest() {
-  TestInfo* const info = GetUnitTestImpl()->current_test_info();
-  if (info == nullptr) {
-    DeathTestAbort("Cannot run a death test outside of a TEST or "
-                   "TEST_F construct");
-  }
-}
-
-// Creates and returns a death test by dispatching to the current
-// death test factory.
-bool DeathTest::Create(const char* statement,
-                       Matcher<const std::string&> matcher, const char* file,
-                       int line, DeathTest** test) {
-  return GetUnitTestImpl()->death_test_factory()->Create(
-      statement, std::move(matcher), file, line, test);
-}
-
-const char* DeathTest::LastMessage() {
-  return last_death_test_message_.c_str();
-}
-
-void DeathTest::set_last_death_test_message(const std::string& message) {
-  last_death_test_message_ = message;
-}
-
-std::string DeathTest::last_death_test_message_;
-
-// Provides cross platform implementation for some death functionality.
-class DeathTestImpl : public DeathTest {
- protected:
-  DeathTestImpl(const char* a_statement, Matcher<const std::string&> matcher)
-      : statement_(a_statement),
-        matcher_(std::move(matcher)),
-        spawned_(false),
-        status_(-1),
-        outcome_(IN_PROGRESS),
-        read_fd_(-1),
-        write_fd_(-1) {}
-
-  // read_fd_ is expected to be closed and cleared by a derived class.
-  ~DeathTestImpl() override { GTEST_DEATH_TEST_CHECK_(read_fd_ == -1); }
-
-  void Abort(AbortReason reason) override;
-  bool Passed(bool status_ok) override;
-
-  const char* statement() const { return statement_; }
-  bool spawned() const { return spawned_; }
-  void set_spawned(bool is_spawned) { spawned_ = is_spawned; }
-  int status() const { return status_; }
-  void set_status(int a_status) { status_ = a_status; }
-  DeathTestOutcome outcome() const { return outcome_; }
-  void set_outcome(DeathTestOutcome an_outcome) { outcome_ = an_outcome; }
-  int read_fd() const { return read_fd_; }
-  void set_read_fd(int fd) { read_fd_ = fd; }
-  int write_fd() const { return write_fd_; }
-  void set_write_fd(int fd) { write_fd_ = fd; }
-
-  // Called in the parent process only. Reads the result code of the death
-  // test child process via a pipe, interprets it to set the outcome_
-  // member, and closes read_fd_.  Outputs diagnostics and terminates in
-  // case of unexpected codes.
-  void ReadAndInterpretStatusByte();
-
-  // Returns stderr output from the child process.
-  virtual std::string GetErrorLogs();
-
- private:
-  // The textual content of the code this object is testing.  This class
-  // doesn't own this string and should not attempt to delete it.
-  const char* const statement_;
-  // A matcher that's expected to match the stderr output by the child process.
-  Matcher<const std::string&> matcher_;
-  // True if the death test child process has been successfully spawned.
-  bool spawned_;
-  // The exit status of the child process.
-  int status_;
-  // How the death test concluded.
-  DeathTestOutcome outcome_;
-  // Descriptor to the read end of the pipe to the child process.  It is
-  // always -1 in the child process.  The child keeps its write end of the
-  // pipe in write_fd_.
-  int read_fd_;
-  // Descriptor to the child's write end of the pipe to the parent process.
-  // It is always -1 in the parent process.  The parent keeps its end of the
-  // pipe in read_fd_.
-  int write_fd_;
-};
-
-// Called in the parent process only. Reads the result code of the death
-// test child process via a pipe, interprets it to set the outcome_
-// member, and closes read_fd_.  Outputs diagnostics and terminates in
-// case of unexpected codes.
-void DeathTestImpl::ReadAndInterpretStatusByte() {
-  char flag;
-  int bytes_read;
-
-  // The read() here blocks until data is available (signifying the
-  // failure of the death test) or until the pipe is closed (signifying
-  // its success), so it's okay to call this in the parent before
-  // the child process has exited.
-  do {
-    bytes_read = posix::Read(read_fd(), &flag, 1);
-  } while (bytes_read == -1 && errno == EINTR);
-
-  if (bytes_read == 0) {
-    set_outcome(DIED);
-  } else if (bytes_read == 1) {
-    switch (flag) {
-      case kDeathTestReturned:
-        set_outcome(RETURNED);
-        break;
-      case kDeathTestThrew:
-        set_outcome(THREW);
-        break;
-      case kDeathTestLived:
-        set_outcome(LIVED);
-        break;
-      case kDeathTestInternalError:
-        FailFromInternalError(read_fd());  // Does not return.
-        break;
-      default:
-        GTEST_LOG_(FATAL) << "Death test child process reported "
-                          << "unexpected status byte ("
-                          << static_cast<unsigned int>(flag) << ")";
-    }
-  } else {
-    GTEST_LOG_(FATAL) << "Read from death test child process failed: "
-                      << GetLastErrnoDescription();
-  }
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Close(read_fd()));
-  set_read_fd(-1);
-}
-
-std::string DeathTestImpl::GetErrorLogs() {
-  return GetCapturedStderr();
-}
-
-// Signals that the death test code which should have exited, didn't.
-// Should be called only in a death test child process.
-// Writes a status byte to the child's status file descriptor, then
-// calls _exit(1).
-void DeathTestImpl::Abort(AbortReason reason) {
-  // The parent process considers the death test to be a failure if
-  // it finds any data in our pipe.  So, here we write a single flag byte
-  // to the pipe, then exit.
-  const char status_ch =
-      reason == TEST_DID_NOT_DIE ? kDeathTestLived :
-      reason == TEST_THREW_EXCEPTION ? kDeathTestThrew : kDeathTestReturned;
-
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(posix::Write(write_fd(), &status_ch, 1));
-  // We are leaking the descriptor here because on some platforms (i.e.,
-  // when built as Windows DLL), destructors of global objects will still
-  // run after calling _exit(). On such systems, write_fd_ will be
-  // indirectly closed from the destructor of UnitTestImpl, causing double
-  // close if it is also closed here. On debug configurations, double close
-  // may assert. As there are no in-process buffers to flush here, we are
-  // relying on the OS to close the descriptor after the process terminates
-  // when the destructors are not run.
-  _exit(1);  // Exits w/o any normal exit hooks (we were supposed to crash)
-}
-
-// Returns an indented copy of stderr output for a death test.
-// This makes distinguishing death test output lines from regular log lines
-// much easier.
-static ::std::string FormatDeathTestOutput(const ::std::string& output) {
-  ::std::string ret;
-  for (size_t at = 0; ; ) {
-    const size_t line_end = output.find('\n', at);
-    ret += "[  DEATH   ] ";
-    if (line_end == ::std::string::npos) {
-      ret += output.substr(at);
-      break;
-    }
-    ret += output.substr(at, line_end + 1 - at);
-    at = line_end + 1;
-  }
-  return ret;
-}
-
-// Assesses the success or failure of a death test, using both private
-// members which have previously been set, and one argument:
-//
-// Private data members:
-//   outcome:  An enumeration describing how the death test
-//             concluded: DIED, LIVED, THREW, or RETURNED.  The death test
-//             fails in the latter three cases.
-//   status:   The exit status of the child process. On *nix, it is in the
-//             in the format specified by wait(2). On Windows, this is the
-//             value supplied to the ExitProcess() API or a numeric code
-//             of the exception that terminated the program.
-//   matcher_: A matcher that's expected to match the stderr output by the child
-//             process.
-//
-// Argument:
-//   status_ok: true if exit_status is acceptable in the context of
-//              this particular death test, which fails if it is false
-//
-// Returns true if and only if all of the above conditions are met.  Otherwise,
-// the first failing condition, in the order given above, is the one that is
-// reported. Also sets the last death test message string.
-bool DeathTestImpl::Passed(bool status_ok) {
-  if (!spawned())
-    return false;
-
-  const std::string error_message = GetErrorLogs();
-
-  bool success = false;
-  Message buffer;
-
-  buffer << "Death test: " << statement() << "\n";
-  switch (outcome()) {
-    case LIVED:
-      buffer << "    Result: failed to die.\n"
-             << " Error msg:\n" << FormatDeathTestOutput(error_message);
-      break;
-    case THREW:
-      buffer << "    Result: threw an exception.\n"
-             << " Error msg:\n" << FormatDeathTestOutput(error_message);
-      break;
-    case RETURNED:
-      buffer << "    Result: illegal return in test statement.\n"
-             << " Error msg:\n" << FormatDeathTestOutput(error_message);
-      break;
-    case DIED:
-      if (status_ok) {
-        if (matcher_.Matches(error_message)) {
-          success = true;
-        } else {
-          std::ostringstream stream;
-          matcher_.DescribeTo(&stream);
-          buffer << "    Result: died but not with expected error.\n"
-                 << "  Expected: " << stream.str() << "\n"
-                 << "Actual msg:\n"
-                 << FormatDeathTestOutput(error_message);
-        }
-      } else {
-        buffer << "    Result: died but not with expected exit code:\n"
-               << "            " << ExitSummary(status()) << "\n"
-               << "Actual msg:\n" << FormatDeathTestOutput(error_message);
-      }
-      break;
-    case IN_PROGRESS:
-    default:
-      GTEST_LOG_(FATAL)
-          << "DeathTest::Passed somehow called before conclusion of test";
-  }
-
-  DeathTest::set_last_death_test_message(buffer.GetString());
-  return success;
-}
-
-# if GTEST_OS_WINDOWS
-// WindowsDeathTest implements death tests on Windows. Due to the
-// specifics of starting new processes on Windows, death tests there are
-// always threadsafe, and Google Test considers the
-// --gtest_death_test_style=fast setting to be equivalent to
-// --gtest_death_test_style=threadsafe there.
-//
-// A few implementation notes:  Like the Linux version, the Windows
-// implementation uses pipes for child-to-parent communication. But due to
-// the specifics of pipes on Windows, some extra steps are required:
-//
-// 1. The parent creates a communication pipe and stores handles to both
-//    ends of it.
-// 2. The parent starts the child and provides it with the information
-//    necessary to acquire the handle to the write end of the pipe.
-// 3. The child acquires the write end of the pipe and signals the parent
-//    using a Windows event.
-// 4. Now the parent can release the write end of the pipe on its side. If
-//    this is done before step 3, the object's reference count goes down to
-//    0 and it is destroyed, preventing the child from acquiring it. The
-//    parent now has to release it, or read operations on the read end of
-//    the pipe will not return when the child terminates.
-// 5. The parent reads child's output through the pipe (outcome code and
-//    any possible error messages) from the pipe, and its stderr and then
-//    determines whether to fail the test.
-//
-// Note: to distinguish Win32 API calls from the local method and function
-// calls, the former are explicitly resolved in the global namespace.
-//
-class WindowsDeathTest : public DeathTestImpl {
- public:
-  WindowsDeathTest(const char* a_statement, Matcher<const std::string&> matcher,
-                   const char* file, int line)
-      : DeathTestImpl(a_statement, std::move(matcher)),
-        file_(file),
-        line_(line) {}
-
-  // All of these virtual functions are inherited from DeathTest.
-  virtual int Wait();
-  virtual TestRole AssumeRole();
-
- private:
-  // The name of the file in which the death test is located.
-  const char* const file_;
-  // The line number on which the death test is located.
-  const int line_;
-  // Handle to the write end of the pipe to the child process.
-  AutoHandle write_handle_;
-  // Child process handle.
-  AutoHandle child_handle_;
-  // Event the child process uses to signal the parent that it has
-  // acquired the handle to the write end of the pipe. After seeing this
-  // event the parent can release its own handles to make sure its
-  // ReadFile() calls return when the child terminates.
-  AutoHandle event_handle_;
-};
-
-// Waits for the child in a death test to exit, returning its exit
-// status, or 0 if no child process exists.  As a side effect, sets the
-// outcome data member.
-int WindowsDeathTest::Wait() {
-  if (!spawned())
-    return 0;
-
-  // Wait until the child either signals that it has acquired the write end
-  // of the pipe or it dies.
-  const HANDLE wait_handles[2] = { child_handle_.Get(), event_handle_.Get() };
-  switch (::WaitForMultipleObjects(2,
-                                   wait_handles,
-                                   FALSE,  // Waits for any of the handles.
-                                   INFINITE)) {
-    case WAIT_OBJECT_0:
-    case WAIT_OBJECT_0 + 1:
-      break;
-    default:
-      GTEST_DEATH_TEST_CHECK_(false);  // Should not get here.
-  }
-
-  // The child has acquired the write end of the pipe or exited.
-  // We release the handle on our side and continue.
-  write_handle_.Reset();
-  event_handle_.Reset();
-
-  ReadAndInterpretStatusByte();
-
-  // Waits for the child process to exit if it haven't already. This
-  // returns immediately if the child has already exited, regardless of
-  // whether previous calls to WaitForMultipleObjects synchronized on this
-  // handle or not.
-  GTEST_DEATH_TEST_CHECK_(
-      WAIT_OBJECT_0 == ::WaitForSingleObject(child_handle_.Get(),
-                                             INFINITE));
-  DWORD status_code;
-  GTEST_DEATH_TEST_CHECK_(
-      ::GetExitCodeProcess(child_handle_.Get(), &status_code) != FALSE);
-  child_handle_.Reset();
-  set_status(static_cast<int>(status_code));
-  return status();
-}
-
-// The AssumeRole process for a Windows death test.  It creates a child
-// process with the same executable as the current process to run the
-// death test.  The child process is given the --gtest_filter and
-// --gtest_internal_run_death_test flags such that it knows to run the
-// current death test only.
-DeathTest::TestRole WindowsDeathTest::AssumeRole() {
-  const UnitTestImpl* const impl = GetUnitTestImpl();
-  const InternalRunDeathTestFlag* const flag =
-      impl->internal_run_death_test_flag();
-  const TestInfo* const info = impl->current_test_info();
-  const int death_test_index = info->result()->death_test_count();
-
-  if (flag != nullptr) {
-    // ParseInternalRunDeathTestFlag() has performed all the necessary
-    // processing.
-    set_write_fd(flag->write_fd());
-    return EXECUTE_TEST;
-  }
-
-  // WindowsDeathTest uses an anonymous pipe to communicate results of
-  // a death test.
-  SECURITY_ATTRIBUTES handles_are_inheritable = {sizeof(SECURITY_ATTRIBUTES),
-                                                 nullptr, TRUE};
-  HANDLE read_handle, write_handle;
-  GTEST_DEATH_TEST_CHECK_(
-      ::CreatePipe(&read_handle, &write_handle, &handles_are_inheritable,
-                   0)  // Default buffer size.
-      != FALSE);
-  set_read_fd(::_open_osfhandle(reinterpret_cast<intptr_t>(read_handle),
-                                O_RDONLY));
-  write_handle_.Reset(write_handle);
-  event_handle_.Reset(::CreateEvent(
-      &handles_are_inheritable,
-      TRUE,       // The event will automatically reset to non-signaled state.
-      FALSE,      // The initial state is non-signalled.
-      nullptr));  // The even is unnamed.
-  GTEST_DEATH_TEST_CHECK_(event_handle_.Get() != nullptr);
-  const std::string filter_flag = std::string("--") + GTEST_FLAG_PREFIX_ +
-                                  kFilterFlag + "=" + info->test_suite_name() +
-                                  "." + info->name();
-  const std::string internal_flag =
-      std::string("--") + GTEST_FLAG_PREFIX_ + kInternalRunDeathTestFlag +
-      "=" + file_ + "|" + StreamableToString(line_) + "|" +
-      StreamableToString(death_test_index) + "|" +
-      StreamableToString(static_cast<unsigned int>(::GetCurrentProcessId())) +
-      // size_t has the same width as pointers on both 32-bit and 64-bit
-      // Windows platforms.
-      // See http://msdn.microsoft.com/en-us/library/tcxf1dw6.aspx.
-      "|" + StreamableToString(reinterpret_cast<size_t>(write_handle)) +
-      "|" + StreamableToString(reinterpret_cast<size_t>(event_handle_.Get()));
-
-  char executable_path[_MAX_PATH + 1];  // NOLINT
-  GTEST_DEATH_TEST_CHECK_(_MAX_PATH + 1 != ::GetModuleFileNameA(nullptr,
-                                                                executable_path,
-                                                                _MAX_PATH));
-
-  std::string command_line =
-      std::string(::GetCommandLineA()) + " " + filter_flag + " \"" +
-      internal_flag + "\"";
-
-  DeathTest::set_last_death_test_message("");
-
-  CaptureStderr();
-  // Flush the log buffers since the log streams are shared with the child.
-  FlushInfoLog();
-
-  // The child process will share the standard handles with the parent.
-  STARTUPINFOA startup_info;
-  memset(&startup_info, 0, sizeof(STARTUPINFO));
-  startup_info.dwFlags = STARTF_USESTDHANDLES;
-  startup_info.hStdInput = ::GetStdHandle(STD_INPUT_HANDLE);
-  startup_info.hStdOutput = ::GetStdHandle(STD_OUTPUT_HANDLE);
-  startup_info.hStdError = ::GetStdHandle(STD_ERROR_HANDLE);
-
-  PROCESS_INFORMATION process_info;
-  GTEST_DEATH_TEST_CHECK_(
-      ::CreateProcessA(
-          executable_path, const_cast<char*>(command_line.c_str()),
-          nullptr,  // Retuned process handle is not inheritable.
-          nullptr,  // Retuned thread handle is not inheritable.
-          TRUE,  // Child inherits all inheritable handles (for write_handle_).
-          0x0,   // Default creation flags.
-          nullptr,  // Inherit the parent's environment.
-          UnitTest::GetInstance()->original_working_dir(), &startup_info,
-          &process_info) != FALSE);
-  child_handle_.Reset(process_info.hProcess);
-  ::CloseHandle(process_info.hThread);
-  set_spawned(true);
-  return OVERSEE_TEST;
-}
-
-# elif GTEST_OS_FUCHSIA
-
-class FuchsiaDeathTest : public DeathTestImpl {
- public:
-  FuchsiaDeathTest(const char* a_statement, Matcher<const std::string&> matcher,
-                   const char* file, int line)
-      : DeathTestImpl(a_statement, std::move(matcher)),
-        file_(file),
-        line_(line) {}
-
-  // All of these virtual functions are inherited from DeathTest.
-  int Wait() override;
-  TestRole AssumeRole() override;
-  std::string GetErrorLogs() override;
-
- private:
-  // The name of the file in which the death test is located.
-  const char* const file_;
-  // The line number on which the death test is located.
-  const int line_;
-  // The stderr data captured by the child process.
-  std::string captured_stderr_;
-
-  zx::process child_process_;
-  zx::channel exception_channel_;
-  zx::socket stderr_socket_;
-};
-
-// Utility class for accumulating command-line arguments.
-class Arguments {
- public:
-  Arguments() { args_.push_back(nullptr); }
-
-  ~Arguments() {
-    for (std::vector<char*>::iterator i = args_.begin(); i != args_.end();
-         ++i) {
-      free(*i);
-    }
-  }
-  void AddArgument(const char* argument) {
-    args_.insert(args_.end() - 1, posix::StrDup(argument));
-  }
-
-  template <typename Str>
-  void AddArguments(const ::std::vector<Str>& arguments) {
-    for (typename ::std::vector<Str>::const_iterator i = arguments.begin();
-         i != arguments.end();
-         ++i) {
-      args_.insert(args_.end() - 1, posix::StrDup(i->c_str()));
-    }
-  }
-  char* const* Argv() {
-    return &args_[0];
-  }
-
-  int size() {
-    return static_cast<int>(args_.size()) - 1;
-  }
-
- private:
-  std::vector<char*> args_;
-};
-
-// Waits for the child in a death test to exit, returning its exit
-// status, or 0 if no child process exists.  As a side effect, sets the
-// outcome data member.
-int FuchsiaDeathTest::Wait() {
-  const int kProcessKey = 0;
-  const int kSocketKey = 1;
-  const int kExceptionKey = 2;
-
-  if (!spawned())
-    return 0;
-
-  // Create a port to wait for socket/task/exception events.
-  zx_status_t status_zx;
-  zx::port port;
-  status_zx = zx::port::create(0, &port);
-  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-  // Register to wait for the child process to terminate.
-  status_zx = child_process_.wait_async(
-      port, kProcessKey, ZX_PROCESS_TERMINATED, 0);
-  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-  // Register to wait for the socket to be readable or closed.
-  status_zx = stderr_socket_.wait_async(
-      port, kSocketKey, ZX_SOCKET_READABLE | ZX_SOCKET_PEER_CLOSED, 0);
-  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-  // Register to wait for an exception.
-  status_zx = exception_channel_.wait_async(
-      port, kExceptionKey, ZX_CHANNEL_READABLE, 0);
-  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-  bool process_terminated = false;
-  bool socket_closed = false;
-  do {
-    zx_port_packet_t packet = {};
-    status_zx = port.wait(zx::time::infinite(), &packet);
-    GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-    if (packet.key == kExceptionKey) {
-      // Process encountered an exception. Kill it directly rather than
-      // letting other handlers process the event. We will get a kProcessKey
-      // event when the process actually terminates.
-      status_zx = child_process_.kill();
-      GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-    } else if (packet.key == kProcessKey) {
-      // Process terminated.
-      GTEST_DEATH_TEST_CHECK_(ZX_PKT_IS_SIGNAL_ONE(packet.type));
-      GTEST_DEATH_TEST_CHECK_(packet.signal.observed & ZX_PROCESS_TERMINATED);
-      process_terminated = true;
-    } else if (packet.key == kSocketKey) {
-      GTEST_DEATH_TEST_CHECK_(ZX_PKT_IS_SIGNAL_ONE(packet.type));
-      if (packet.signal.observed & ZX_SOCKET_READABLE) {
-        // Read data from the socket.
-        constexpr size_t kBufferSize = 1024;
-        do {
-          size_t old_length = captured_stderr_.length();
-          size_t bytes_read = 0;
-          captured_stderr_.resize(old_length + kBufferSize);
-          status_zx = stderr_socket_.read(
-              0, &captured_stderr_.front() + old_length, kBufferSize,
-              &bytes_read);
-          captured_stderr_.resize(old_length + bytes_read);
-        } while (status_zx == ZX_OK);
-        if (status_zx == ZX_ERR_PEER_CLOSED) {
-          socket_closed = true;
-        } else {
-          GTEST_DEATH_TEST_CHECK_(status_zx == ZX_ERR_SHOULD_WAIT);
-          status_zx = stderr_socket_.wait_async(
-              port, kSocketKey, ZX_SOCKET_READABLE | ZX_SOCKET_PEER_CLOSED, 0);
-          GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-        }
-      } else {
-        GTEST_DEATH_TEST_CHECK_(packet.signal.observed & ZX_SOCKET_PEER_CLOSED);
-        socket_closed = true;
-      }
-    }
-  } while (!process_terminated && !socket_closed);
-
-  ReadAndInterpretStatusByte();
-
-  zx_info_process_v2_t buffer;
-  status_zx = child_process_.get_info(
-      ZX_INFO_PROCESS_V2, &buffer, sizeof(buffer), nullptr, nullptr);
-  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
-
-  GTEST_DEATH_TEST_CHECK_(buffer.flags & ZX_INFO_PROCESS_FLAG_EXITED);
-  set_status(static_cast<int>(buffer.return_code));
-  return status();
-}
-
-// The AssumeRole process for a Fuchsia death test.  It creates a child
-// process with the same executable as the current process to run the
-// death test.  The child process is given the --gtest_filter and
-// --gtest_internal_run_death_test flags such that it knows to run the
-// current death test only.
-DeathTest::TestRole FuchsiaDeathTest::AssumeRole() {
-  const UnitTestImpl* const impl = GetUnitTestImpl();
-  const InternalRunDeathTestFlag* const flag =
-      impl->internal_run_death_test_flag();
-  const TestInfo* const info = impl->current_test_info();
-  const int death_test_index = info->result()->death_test_count();
-
-  if (flag != nullptr) {
-    // ParseInternalRunDeathTestFlag() has performed all the necessary
-    // processing.
-    set_write_fd(kFuchsiaReadPipeFd);
-    return EXECUTE_TEST;
-  }
-
-  // Flush the log buffers since the log streams are shared with the child.
-  FlushInfoLog();
-
-  // Build the child process command line.
-  const std::string filter_flag = std::string("--") + GTEST_FLAG_PREFIX_ +
-                                  kFilterFlag + "=" + info->test_suite_name() +
-                                  "." + info->name();
-  const std::string internal_flag =
-      std::string("--") + GTEST_FLAG_PREFIX_ + kInternalRunDeathTestFlag + "="
-      + file_ + "|"
-      + StreamableToString(line_) + "|"
-      + StreamableToString(death_test_index);
-  Arguments args;
-  args.AddArguments(GetInjectableArgvs());
-  args.AddArgument(filter_flag.c_str());
-  args.AddArgument(internal_flag.c_str());
-
-  // Build the pipe for communication with the child.
-  zx_status_t status;
-  zx_handle_t child_pipe_handle;
-  int child_pipe_fd;
-  status = fdio_pipe_half(&child_pipe_fd, &child_pipe_handle);
-  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
-  set_read_fd(child_pipe_fd);
-
-  // Set the pipe handle for the child.
-  fdio_spawn_action_t spawn_actions[2] = {};
-  fdio_spawn_action_t* add_handle_action = &spawn_actions[0];
-  add_handle_action->action = FDIO_SPAWN_ACTION_ADD_HANDLE;
-  add_handle_action->h.id = PA_HND(PA_FD, kFuchsiaReadPipeFd);
-  add_handle_action->h.handle = child_pipe_handle;
-
-  // Create a socket pair will be used to receive the child process' stderr.
-  zx::socket stderr_producer_socket;
-  status =
-      zx::socket::create(0, &stderr_producer_socket, &stderr_socket_);
-  GTEST_DEATH_TEST_CHECK_(status >= 0);
-  int stderr_producer_fd = -1;
-  status =
-      fdio_fd_create(stderr_producer_socket.release(), &stderr_producer_fd);
-  GTEST_DEATH_TEST_CHECK_(status >= 0);
-
-  // Make the stderr socket nonblocking.
-  GTEST_DEATH_TEST_CHECK_(fcntl(stderr_producer_fd, F_SETFL, 0) == 0);
-
-  fdio_spawn_action_t* add_stderr_action = &spawn_actions[1];
-  add_stderr_action->action = FDIO_SPAWN_ACTION_CLONE_FD;
-  add_stderr_action->fd.local_fd = stderr_producer_fd;
-  add_stderr_action->fd.target_fd = STDERR_FILENO;
-
-  // Create a child job.
-  zx_handle_t child_job = ZX_HANDLE_INVALID;
-  status = zx_job_create(zx_job_default(), 0, & child_job);
-  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
-  zx_policy_basic_t policy;
-  policy.condition = ZX_POL_NEW_ANY;
-  policy.policy = ZX_POL_ACTION_ALLOW;
-  status = zx_job_set_policy(
-      child_job, ZX_JOB_POL_RELATIVE, ZX_JOB_POL_BASIC, &policy, 1);
-  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
-
-  // Create an exception channel attached to the |child_job|, to allow
-  // us to suppress the system default exception handler from firing.
-  status =
-      zx_task_create_exception_channel(
-          child_job, 0, exception_channel_.reset_and_get_address());
-  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
-
-  // Spawn the child process.
-  status = fdio_spawn_etc(
-      child_job, FDIO_SPAWN_CLONE_ALL, args.Argv()[0], args.Argv(), nullptr,
-      2, spawn_actions, child_process_.reset_and_get_address(), nullptr);
-  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
-
-  set_spawned(true);
-  return OVERSEE_TEST;
-}
-
-std::string FuchsiaDeathTest::GetErrorLogs() {
-  return captured_stderr_;
-}
-
-#else  // We are neither on Windows, nor on Fuchsia.
-
-// ForkingDeathTest provides implementations for most of the abstract
-// methods of the DeathTest interface.  Only the AssumeRole method is
-// left undefined.
-class ForkingDeathTest : public DeathTestImpl {
- public:
-  ForkingDeathTest(const char* statement, Matcher<const std::string&> matcher);
-
-  // All of these virtual functions are inherited from DeathTest.
-  int Wait() override;
-
- protected:
-  void set_child_pid(pid_t child_pid) { child_pid_ = child_pid; }
-
- private:
-  // PID of child process during death test; 0 in the child process itself.
-  pid_t child_pid_;
-};
-
-// Constructs a ForkingDeathTest.
-ForkingDeathTest::ForkingDeathTest(const char* a_statement,
-                                   Matcher<const std::string&> matcher)
-    : DeathTestImpl(a_statement, std::move(matcher)), child_pid_(-1) {}
-
-// Waits for the child in a death test to exit, returning its exit
-// status, or 0 if no child process exists.  As a side effect, sets the
-// outcome data member.
-int ForkingDeathTest::Wait() {
-  if (!spawned())
-    return 0;
-
-  ReadAndInterpretStatusByte();
-
-  int status_value;
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(waitpid(child_pid_, &status_value, 0));
-  set_status(status_value);
-  return status_value;
-}
-
-// A concrete death test class that forks, then immediately runs the test
-// in the child process.
-class NoExecDeathTest : public ForkingDeathTest {
- public:
-  NoExecDeathTest(const char* a_statement, Matcher<const std::string&> matcher)
-      : ForkingDeathTest(a_statement, std::move(matcher)) {}
-  TestRole AssumeRole() override;
-};
-
-// The AssumeRole process for a fork-and-run death test.  It implements a
-// straightforward fork, with a simple pipe to transmit the status byte.
-DeathTest::TestRole NoExecDeathTest::AssumeRole() {
-  const size_t thread_count = GetThreadCount();
-  if (thread_count != 1) {
-    GTEST_LOG_(WARNING) << DeathTestThreadWarning(thread_count);
-  }
-
-  int pipe_fd[2];
-  GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1);
-
-  DeathTest::set_last_death_test_message("");
-  CaptureStderr();
-  // When we fork the process below, the log file buffers are copied, but the
-  // file descriptors are shared.  We flush all log files here so that closing
-  // the file descriptors in the child process doesn't throw off the
-  // synchronization between descriptors and buffers in the parent process.
-  // This is as close to the fork as possible to avoid a race condition in case
-  // there are multiple threads running before the death test, and another
-  // thread writes to the log file.
-  FlushInfoLog();
-
-  const pid_t child_pid = fork();
-  GTEST_DEATH_TEST_CHECK_(child_pid != -1);
-  set_child_pid(child_pid);
-  if (child_pid == 0) {
-    GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[0]));
-    set_write_fd(pipe_fd[1]);
-    // Redirects all logging to stderr in the child process to prevent
-    // concurrent writes to the log files.  We capture stderr in the parent
-    // process and append the child process' output to a log.
-    LogToStderr();
-    // Event forwarding to the listeners of event listener API mush be shut
-    // down in death test subprocesses.
-    GetUnitTestImpl()->listeners()->SuppressEventForwarding();
-    g_in_fast_death_test_child = true;
-    return EXECUTE_TEST;
-  } else {
-    GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1]));
-    set_read_fd(pipe_fd[0]);
-    set_spawned(true);
-    return OVERSEE_TEST;
-  }
-}
-
-// A concrete death test class that forks and re-executes the main
-// program from the beginning, with command-line flags set that cause
-// only this specific death test to be run.
-class ExecDeathTest : public ForkingDeathTest {
- public:
-  ExecDeathTest(const char* a_statement, Matcher<const std::string&> matcher,
-                const char* file, int line)
-      : ForkingDeathTest(a_statement, std::move(matcher)),
-        file_(file),
-        line_(line) {}
-  TestRole AssumeRole() override;
-
- private:
-  static ::std::vector<std::string> GetArgvsForDeathTestChildProcess() {
-    ::std::vector<std::string> args = GetInjectableArgvs();
-#  if defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_)
-    ::std::vector<std::string> extra_args =
-        GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_();
-    args.insert(args.end(), extra_args.begin(), extra_args.end());
-#  endif  // defined(GTEST_EXTRA_DEATH_TEST_COMMAND_LINE_ARGS_)
-    return args;
-  }
-  // The name of the file in which the death test is located.
-  const char* const file_;
-  // The line number on which the death test is located.
-  const int line_;
-};
-
-// Utility class for accumulating command-line arguments.
-class Arguments {
- public:
-  Arguments() { args_.push_back(nullptr); }
-
-  ~Arguments() {
-    for (std::vector<char*>::iterator i = args_.begin(); i != args_.end();
-         ++i) {
-      free(*i);
-    }
-  }
-  void AddArgument(const char* argument) {
-    args_.insert(args_.end() - 1, posix::StrDup(argument));
-  }
-
-  template <typename Str>
-  void AddArguments(const ::std::vector<Str>& arguments) {
-    for (typename ::std::vector<Str>::const_iterator i = arguments.begin();
-         i != arguments.end();
-         ++i) {
-      args_.insert(args_.end() - 1, posix::StrDup(i->c_str()));
-    }
-  }
-  char* const* Argv() {
-    return &args_[0];
-  }
-
- private:
-  std::vector<char*> args_;
-};
-
-// A struct that encompasses the arguments to the child process of a
-// threadsafe-style death test process.
-struct ExecDeathTestArgs {
-  char* const* argv;  // Command-line arguments for the child's call to exec
-  int close_fd;       // File descriptor to close; the read end of a pipe
-};
-
-#  if GTEST_OS_QNX
-extern "C" char** environ;
-#  else  // GTEST_OS_QNX
-// The main function for a threadsafe-style death test child process.
-// This function is called in a clone()-ed process and thus must avoid
-// any potentially unsafe operations like malloc or libc functions.
-static int ExecDeathTestChildMain(void* child_arg) {
-  ExecDeathTestArgs* const args = static_cast<ExecDeathTestArgs*>(child_arg);
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(args->close_fd));
-
-  // We need to execute the test program in the same environment where
-  // it was originally invoked.  Therefore we change to the original
-  // working directory first.
-  const char* const original_dir =
-      UnitTest::GetInstance()->original_working_dir();
-  // We can safely call chdir() as it's a direct system call.
-  if (chdir(original_dir) != 0) {
-    DeathTestAbort(std::string("chdir(\"") + original_dir + "\") failed: " +
-                   GetLastErrnoDescription());
-    return EXIT_FAILURE;
-  }
-
-  // We can safely call execv() as it's almost a direct system call. We
-  // cannot use execvp() as it's a libc function and thus potentially
-  // unsafe.  Since execv() doesn't search the PATH, the user must
-  // invoke the test program via a valid path that contains at least
-  // one path separator.
-  execv(args->argv[0], args->argv);
-  DeathTestAbort(std::string("execv(") + args->argv[0] + ", ...) in " +
-                 original_dir + " failed: " +
-                 GetLastErrnoDescription());
-  return EXIT_FAILURE;
-}
-#  endif  // GTEST_OS_QNX
-
-#  if GTEST_HAS_CLONE
-// Two utility routines that together determine the direction the stack
-// grows.
-// This could be accomplished more elegantly by a single recursive
-// function, but we want to guard against the unlikely possibility of
-// a smart compiler optimizing the recursion away.
-//
-// GTEST_NO_INLINE_ is required to prevent GCC 4.6 from inlining
-// StackLowerThanAddress into StackGrowsDown, which then doesn't give
-// correct answer.
-static void StackLowerThanAddress(const void* ptr,
-                                  bool* result) GTEST_NO_INLINE_;
-// Make sure sanitizers do not tamper with the stack here.
-// Ideally, we want to use `__builtin_frame_address` instead of a local variable
-// address with sanitizer disabled, but it does not work when the
-// compiler optimizes the stack frame out, which happens on PowerPC targets.
-// HWAddressSanitizer add a random tag to the MSB of the local variable address,
-// making comparison result unpredictable.
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-static void StackLowerThanAddress(const void* ptr, bool* result) {
-  int dummy = 0;
-  *result = std::less<const void*>()(&dummy, ptr);
-}
-
-// Make sure AddressSanitizer does not tamper with the stack here.
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-static bool StackGrowsDown() {
-  int dummy = 0;
-  bool result;
-  StackLowerThanAddress(&dummy, &result);
-  return result;
-}
-#  endif  // GTEST_HAS_CLONE
-
-// Spawns a child process with the same executable as the current process in
-// a thread-safe manner and instructs it to run the death test.  The
-// implementation uses fork(2) + exec.  On systems where clone(2) is
-// available, it is used instead, being slightly more thread-safe.  On QNX,
-// fork supports only single-threaded environments, so this function uses
-// spawn(2) there instead.  The function dies with an error message if
-// anything goes wrong.
-static pid_t ExecDeathTestSpawnChild(char* const* argv, int close_fd) {
-  ExecDeathTestArgs args = { argv, close_fd };
-  pid_t child_pid = -1;
-
-#  if GTEST_OS_QNX
-  // Obtains the current directory and sets it to be closed in the child
-  // process.
-  const int cwd_fd = open(".", O_RDONLY);
-  GTEST_DEATH_TEST_CHECK_(cwd_fd != -1);
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(fcntl(cwd_fd, F_SETFD, FD_CLOEXEC));
-  // We need to execute the test program in the same environment where
-  // it was originally invoked.  Therefore we change to the original
-  // working directory first.
-  const char* const original_dir =
-      UnitTest::GetInstance()->original_working_dir();
-  // We can safely call chdir() as it's a direct system call.
-  if (chdir(original_dir) != 0) {
-    DeathTestAbort(std::string("chdir(\"") + original_dir + "\") failed: " +
-                   GetLastErrnoDescription());
-    return EXIT_FAILURE;
-  }
-
-  int fd_flags;
-  // Set close_fd to be closed after spawn.
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(fd_flags = fcntl(close_fd, F_GETFD));
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(fcntl(close_fd, F_SETFD,
-                                        fd_flags | FD_CLOEXEC));
-  struct inheritance inherit = {0};
-  // spawn is a system call.
-  child_pid = spawn(args.argv[0], 0, nullptr, &inherit, args.argv, environ);
-  // Restores the current working directory.
-  GTEST_DEATH_TEST_CHECK_(fchdir(cwd_fd) != -1);
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(cwd_fd));
-
-#  else   // GTEST_OS_QNX
-#   if GTEST_OS_LINUX
-  // When a SIGPROF signal is received while fork() or clone() are executing,
-  // the process may hang. To avoid this, we ignore SIGPROF here and re-enable
-  // it after the call to fork()/clone() is complete.
-  struct sigaction saved_sigprof_action;
-  struct sigaction ignore_sigprof_action;
-  memset(&ignore_sigprof_action, 0, sizeof(ignore_sigprof_action));
-  sigemptyset(&ignore_sigprof_action.sa_mask);
-  ignore_sigprof_action.sa_handler = SIG_IGN;
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(sigaction(
-      SIGPROF, &ignore_sigprof_action, &saved_sigprof_action));
-#   endif  // GTEST_OS_LINUX
-
-#   if GTEST_HAS_CLONE
-  const bool use_fork = GTEST_FLAG(death_test_use_fork);
-
-  if (!use_fork) {
-    static const bool stack_grows_down = StackGrowsDown();
-    const auto stack_size = static_cast<size_t>(getpagesize() * 2);
-    // MMAP_ANONYMOUS is not defined on Mac, so we use MAP_ANON instead.
-    void* const stack = mmap(nullptr, stack_size, PROT_READ | PROT_WRITE,
-                             MAP_ANON | MAP_PRIVATE, -1, 0);
-    GTEST_DEATH_TEST_CHECK_(stack != MAP_FAILED);
-
-    // Maximum stack alignment in bytes:  For a downward-growing stack, this
-    // amount is subtracted from size of the stack space to get an address
-    // that is within the stack space and is aligned on all systems we care
-    // about.  As far as I know there is no ABI with stack alignment greater
-    // than 64.  We assume stack and stack_size already have alignment of
-    // kMaxStackAlignment.
-    const size_t kMaxStackAlignment = 64;
-    void* const stack_top =
-        static_cast<char*>(stack) +
-            (stack_grows_down ? stack_size - kMaxStackAlignment : 0);
-    GTEST_DEATH_TEST_CHECK_(
-        static_cast<size_t>(stack_size) > kMaxStackAlignment &&
-        reinterpret_cast<uintptr_t>(stack_top) % kMaxStackAlignment == 0);
-
-    child_pid = clone(&ExecDeathTestChildMain, stack_top, SIGCHLD, &args);
-
-    GTEST_DEATH_TEST_CHECK_(munmap(stack, stack_size) != -1);
-  }
-#   else
-  const bool use_fork = true;
-#   endif  // GTEST_HAS_CLONE
-
-  if (use_fork && (child_pid = fork()) == 0) {
-      ExecDeathTestChildMain(&args);
-      _exit(0);
-  }
-#  endif  // GTEST_OS_QNX
-#  if GTEST_OS_LINUX
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(
-      sigaction(SIGPROF, &saved_sigprof_action, nullptr));
-#  endif  // GTEST_OS_LINUX
-
-  GTEST_DEATH_TEST_CHECK_(child_pid != -1);
-  return child_pid;
-}
-
-// The AssumeRole process for a fork-and-exec death test.  It re-executes the
-// main program from the beginning, setting the --gtest_filter
-// and --gtest_internal_run_death_test flags to cause only the current
-// death test to be re-run.
-DeathTest::TestRole ExecDeathTest::AssumeRole() {
-  const UnitTestImpl* const impl = GetUnitTestImpl();
-  const InternalRunDeathTestFlag* const flag =
-      impl->internal_run_death_test_flag();
-  const TestInfo* const info = impl->current_test_info();
-  const int death_test_index = info->result()->death_test_count();
-
-  if (flag != nullptr) {
-    set_write_fd(flag->write_fd());
-    return EXECUTE_TEST;
-  }
-
-  int pipe_fd[2];
-  GTEST_DEATH_TEST_CHECK_(pipe(pipe_fd) != -1);
-  // Clear the close-on-exec flag on the write end of the pipe, lest
-  // it be closed when the child process does an exec:
-  GTEST_DEATH_TEST_CHECK_(fcntl(pipe_fd[1], F_SETFD, 0) != -1);
-
-  const std::string filter_flag = std::string("--") + GTEST_FLAG_PREFIX_ +
-                                  kFilterFlag + "=" + info->test_suite_name() +
-                                  "." + info->name();
-  const std::string internal_flag =
-      std::string("--") + GTEST_FLAG_PREFIX_ + kInternalRunDeathTestFlag + "="
-      + file_ + "|" + StreamableToString(line_) + "|"
-      + StreamableToString(death_test_index) + "|"
-      + StreamableToString(pipe_fd[1]);
-  Arguments args;
-  args.AddArguments(GetArgvsForDeathTestChildProcess());
-  args.AddArgument(filter_flag.c_str());
-  args.AddArgument(internal_flag.c_str());
-
-  DeathTest::set_last_death_test_message("");
-
-  CaptureStderr();
-  // See the comment in NoExecDeathTest::AssumeRole for why the next line
-  // is necessary.
-  FlushInfoLog();
-
-  const pid_t child_pid = ExecDeathTestSpawnChild(args.Argv(), pipe_fd[0]);
-  GTEST_DEATH_TEST_CHECK_SYSCALL_(close(pipe_fd[1]));
-  set_child_pid(child_pid);
-  set_read_fd(pipe_fd[0]);
-  set_spawned(true);
-  return OVERSEE_TEST;
-}
-
-# endif  // !GTEST_OS_WINDOWS
-
-// Creates a concrete DeathTest-derived class that depends on the
-// --gtest_death_test_style flag, and sets the pointer pointed to
-// by the "test" argument to its address.  If the test should be
-// skipped, sets that pointer to NULL.  Returns true, unless the
-// flag is set to an invalid value.
-bool DefaultDeathTestFactory::Create(const char* statement,
-                                     Matcher<const std::string&> matcher,
-                                     const char* file, int line,
-                                     DeathTest** test) {
-  UnitTestImpl* const impl = GetUnitTestImpl();
-  const InternalRunDeathTestFlag* const flag =
-      impl->internal_run_death_test_flag();
-  const int death_test_index = impl->current_test_info()
-      ->increment_death_test_count();
-
-  if (flag != nullptr) {
-    if (death_test_index > flag->index()) {
-      DeathTest::set_last_death_test_message(
-          "Death test count (" + StreamableToString(death_test_index)
-          + ") somehow exceeded expected maximum ("
-          + StreamableToString(flag->index()) + ")");
-      return false;
-    }
-
-    if (!(flag->file() == file && flag->line() == line &&
-          flag->index() == death_test_index)) {
-      *test = nullptr;
-      return true;
-    }
-  }
-
-# if GTEST_OS_WINDOWS
-
-  if (GTEST_FLAG(death_test_style) == "threadsafe" ||
-      GTEST_FLAG(death_test_style) == "fast") {
-    *test = new WindowsDeathTest(statement, std::move(matcher), file, line);
-  }
-
-# elif GTEST_OS_FUCHSIA
-
-  if (GTEST_FLAG(death_test_style) == "threadsafe" ||
-      GTEST_FLAG(death_test_style) == "fast") {
-    *test = new FuchsiaDeathTest(statement, std::move(matcher), file, line);
-  }
-
-# else
-
-  if (GTEST_FLAG(death_test_style) == "threadsafe") {
-    *test = new ExecDeathTest(statement, std::move(matcher), file, line);
-  } else if (GTEST_FLAG(death_test_style) == "fast") {
-    *test = new NoExecDeathTest(statement, std::move(matcher));
-  }
-
-# endif  // GTEST_OS_WINDOWS
-
-  else {  // NOLINT - this is more readable than unbalanced brackets inside #if.
-    DeathTest::set_last_death_test_message(
-        "Unknown death test style \"" + GTEST_FLAG(death_test_style)
-        + "\" encountered");
-    return false;
-  }
-
-  return true;
-}
-
-# if GTEST_OS_WINDOWS
-// Recreates the pipe and event handles from the provided parameters,
-// signals the event, and returns a file descriptor wrapped around the pipe
-// handle. This function is called in the child process only.
-static int GetStatusFileDescriptor(unsigned int parent_process_id,
-                            size_t write_handle_as_size_t,
-                            size_t event_handle_as_size_t) {
-  AutoHandle parent_process_handle(::OpenProcess(PROCESS_DUP_HANDLE,
-                                                   FALSE,  // Non-inheritable.
-                                                   parent_process_id));
-  if (parent_process_handle.Get() == INVALID_HANDLE_VALUE) {
-    DeathTestAbort("Unable to open parent process " +
-                   StreamableToString(parent_process_id));
-  }
-
-  GTEST_CHECK_(sizeof(HANDLE) <= sizeof(size_t));
-
-  const HANDLE write_handle =
-      reinterpret_cast<HANDLE>(write_handle_as_size_t);
-  HANDLE dup_write_handle;
-
-  // The newly initialized handle is accessible only in the parent
-  // process. To obtain one accessible within the child, we need to use
-  // DuplicateHandle.
-  if (!::DuplicateHandle(parent_process_handle.Get(), write_handle,
-                         ::GetCurrentProcess(), &dup_write_handle,
-                         0x0,    // Requested privileges ignored since
-                                 // DUPLICATE_SAME_ACCESS is used.
-                         FALSE,  // Request non-inheritable handler.
-                         DUPLICATE_SAME_ACCESS)) {
-    DeathTestAbort("Unable to duplicate the pipe handle " +
-                   StreamableToString(write_handle_as_size_t) +
-                   " from the parent process " +
-                   StreamableToString(parent_process_id));
-  }
-
-  const HANDLE event_handle = reinterpret_cast<HANDLE>(event_handle_as_size_t);
-  HANDLE dup_event_handle;
-
-  if (!::DuplicateHandle(parent_process_handle.Get(), event_handle,
-                         ::GetCurrentProcess(), &dup_event_handle,
-                         0x0,
-                         FALSE,
-                         DUPLICATE_SAME_ACCESS)) {
-    DeathTestAbort("Unable to duplicate the event handle " +
-                   StreamableToString(event_handle_as_size_t) +
-                   " from the parent process " +
-                   StreamableToString(parent_process_id));
-  }
-
-  const int write_fd =
-      ::_open_osfhandle(reinterpret_cast<intptr_t>(dup_write_handle), O_APPEND);
-  if (write_fd == -1) {
-    DeathTestAbort("Unable to convert pipe handle " +
-                   StreamableToString(write_handle_as_size_t) +
-                   " to a file descriptor");
-  }
-
-  // Signals the parent that the write end of the pipe has been acquired
-  // so the parent can release its own write end.
-  ::SetEvent(dup_event_handle);
-
-  return write_fd;
-}
-# endif  // GTEST_OS_WINDOWS
-
-// Returns a newly created InternalRunDeathTestFlag object with fields
-// initialized from the GTEST_FLAG(internal_run_death_test) flag if
-// the flag is specified; otherwise returns NULL.
-InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag() {
-  if (GTEST_FLAG(internal_run_death_test) == "") return nullptr;
-
-  // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we
-  // can use it here.
-  int line = -1;
-  int index = -1;
-  ::std::vector< ::std::string> fields;
-  SplitString(GTEST_FLAG(internal_run_death_test).c_str(), '|', &fields);
-  int write_fd = -1;
-
-# if GTEST_OS_WINDOWS
-
-  unsigned int parent_process_id = 0;
-  size_t write_handle_as_size_t = 0;
-  size_t event_handle_as_size_t = 0;
-
-  if (fields.size() != 6
-      || !ParseNaturalNumber(fields[1], &line)
-      || !ParseNaturalNumber(fields[2], &index)
-      || !ParseNaturalNumber(fields[3], &parent_process_id)
-      || !ParseNaturalNumber(fields[4], &write_handle_as_size_t)
-      || !ParseNaturalNumber(fields[5], &event_handle_as_size_t)) {
-    DeathTestAbort("Bad --gtest_internal_run_death_test flag: " +
-                   GTEST_FLAG(internal_run_death_test));
-  }
-  write_fd = GetStatusFileDescriptor(parent_process_id,
-                                     write_handle_as_size_t,
-                                     event_handle_as_size_t);
-
-# elif GTEST_OS_FUCHSIA
-
-  if (fields.size() != 3
-      || !ParseNaturalNumber(fields[1], &line)
-      || !ParseNaturalNumber(fields[2], &index)) {
-    DeathTestAbort("Bad --gtest_internal_run_death_test flag: "
-        + GTEST_FLAG(internal_run_death_test));
-  }
-
-# else
-
-  if (fields.size() != 4
-      || !ParseNaturalNumber(fields[1], &line)
-      || !ParseNaturalNumber(fields[2], &index)
-      || !ParseNaturalNumber(fields[3], &write_fd)) {
-    DeathTestAbort("Bad --gtest_internal_run_death_test flag: "
-        + GTEST_FLAG(internal_run_death_test));
-  }
-
-# endif  // GTEST_OS_WINDOWS
-
-  return new InternalRunDeathTestFlag(fields[0], line, index, write_fd);
-}
-
-}  // namespace internal
-
-#endif  // GTEST_HAS_DEATH_TEST
-
-}  // namespace testing
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-#include <stdlib.h>
-
-#if GTEST_OS_WINDOWS_MOBILE
-# include <windows.h>
-#elif GTEST_OS_WINDOWS
-# include <direct.h>
-# include <io.h>
-#else
-# include <limits.h>
-# include <climits>  // Some Linux distributions define PATH_MAX here.
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-
-#if GTEST_OS_WINDOWS
-# define GTEST_PATH_MAX_ _MAX_PATH
-#elif defined(PATH_MAX)
-# define GTEST_PATH_MAX_ PATH_MAX
-#elif defined(_XOPEN_PATH_MAX)
-# define GTEST_PATH_MAX_ _XOPEN_PATH_MAX
-#else
-# define GTEST_PATH_MAX_ _POSIX_PATH_MAX
-#endif  // GTEST_OS_WINDOWS
-
-namespace testing {
-namespace internal {
-
-#if GTEST_OS_WINDOWS
-// On Windows, '\\' is the standard path separator, but many tools and the
-// Windows API also accept '/' as an alternate path separator. Unless otherwise
-// noted, a file path can contain either kind of path separators, or a mixture
-// of them.
-const char kPathSeparator = '\\';
-const char kAlternatePathSeparator = '/';
-const char kAlternatePathSeparatorString[] = "/";
-# if GTEST_OS_WINDOWS_MOBILE
-// Windows CE doesn't have a current directory. You should not use
-// the current directory in tests on Windows CE, but this at least
-// provides a reasonable fallback.
-const char kCurrentDirectoryString[] = "\\";
-// Windows CE doesn't define INVALID_FILE_ATTRIBUTES
-const DWORD kInvalidFileAttributes = 0xffffffff;
-# else
-const char kCurrentDirectoryString[] = ".\\";
-# endif  // GTEST_OS_WINDOWS_MOBILE
-#else
-const char kPathSeparator = '/';
-const char kCurrentDirectoryString[] = "./";
-#endif  // GTEST_OS_WINDOWS
-
-// Returns whether the given character is a valid path separator.
-static bool IsPathSeparator(char c) {
-#if GTEST_HAS_ALT_PATH_SEP_
-  return (c == kPathSeparator) || (c == kAlternatePathSeparator);
-#else
-  return c == kPathSeparator;
-#endif
-}
-
-// Returns the current working directory, or "" if unsuccessful.
-FilePath FilePath::GetCurrentDir() {
-#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE ||         \
-    GTEST_OS_WINDOWS_RT || GTEST_OS_ESP8266 || GTEST_OS_ESP32 || \
-    GTEST_OS_XTENSA
-  // These platforms do not have a current directory, so we just return
-  // something reasonable.
-  return FilePath(kCurrentDirectoryString);
-#elif GTEST_OS_WINDOWS
-  char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
-  return FilePath(_getcwd(cwd, sizeof(cwd)) == nullptr ? "" : cwd);
-#else
-  char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
-  char* result = getcwd(cwd, sizeof(cwd));
-# if GTEST_OS_NACL
-  // getcwd will likely fail in NaCl due to the sandbox, so return something
-  // reasonable. The user may have provided a shim implementation for getcwd,
-  // however, so fallback only when failure is detected.
-  return FilePath(result == nullptr ? kCurrentDirectoryString : cwd);
-# endif  // GTEST_OS_NACL
-  return FilePath(result == nullptr ? "" : cwd);
-#endif  // GTEST_OS_WINDOWS_MOBILE
-}
-
-// Returns a copy of the FilePath with the case-insensitive extension removed.
-// Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns
-// FilePath("dir/file"). If a case-insensitive extension is not
-// found, returns a copy of the original FilePath.
-FilePath FilePath::RemoveExtension(const char* extension) const {
-  const std::string dot_extension = std::string(".") + extension;
-  if (String::EndsWithCaseInsensitive(pathname_, dot_extension)) {
-    return FilePath(pathname_.substr(
-        0, pathname_.length() - dot_extension.length()));
-  }
-  return *this;
-}
-
-// Returns a pointer to the last occurrence of a valid path separator in
-// the FilePath. On Windows, for example, both '/' and '\' are valid path
-// separators. Returns NULL if no path separator was found.
-const char* FilePath::FindLastPathSeparator() const {
-  const char* const last_sep = strrchr(c_str(), kPathSeparator);
-#if GTEST_HAS_ALT_PATH_SEP_
-  const char* const last_alt_sep = strrchr(c_str(), kAlternatePathSeparator);
-  // Comparing two pointers of which only one is NULL is undefined.
-  if (last_alt_sep != nullptr &&
-      (last_sep == nullptr || last_alt_sep > last_sep)) {
-    return last_alt_sep;
-  }
-#endif
-  return last_sep;
-}
-
-// Returns a copy of the FilePath with the directory part removed.
-// Example: FilePath("path/to/file").RemoveDirectoryName() returns
-// FilePath("file"). If there is no directory part ("just_a_file"), it returns
-// the FilePath unmodified. If there is no file part ("just_a_dir/") it
-// returns an empty FilePath ("").
-// On Windows platform, '\' is the path separator, otherwise it is '/'.
-FilePath FilePath::RemoveDirectoryName() const {
-  const char* const last_sep = FindLastPathSeparator();
-  return last_sep ? FilePath(last_sep + 1) : *this;
-}
-
-// RemoveFileName returns the directory path with the filename removed.
-// Example: FilePath("path/to/file").RemoveFileName() returns "path/to/".
-// If the FilePath is "a_file" or "/a_file", RemoveFileName returns
-// FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does
-// not have a file, like "just/a/dir/", it returns the FilePath unmodified.
-// On Windows platform, '\' is the path separator, otherwise it is '/'.
-FilePath FilePath::RemoveFileName() const {
-  const char* const last_sep = FindLastPathSeparator();
-  std::string dir;
-  if (last_sep) {
-    dir = std::string(c_str(), static_cast<size_t>(last_sep + 1 - c_str()));
-  } else {
-    dir = kCurrentDirectoryString;
-  }
-  return FilePath(dir);
-}
-
-// Helper functions for naming files in a directory for xml output.
-
-// Given directory = "dir", base_name = "test", number = 0,
-// extension = "xml", returns "dir/test.xml". If number is greater
-// than zero (e.g., 12), returns "dir/test_12.xml".
-// On Windows platform, uses \ as the separator rather than /.
-FilePath FilePath::MakeFileName(const FilePath& directory,
-                                const FilePath& base_name,
-                                int number,
-                                const char* extension) {
-  std::string file;
-  if (number == 0) {
-    file = base_name.string() + "." + extension;
-  } else {
-    file = base_name.string() + "_" + StreamableToString(number)
-        + "." + extension;
-  }
-  return ConcatPaths(directory, FilePath(file));
-}
-
-// Given directory = "dir", relative_path = "test.xml", returns "dir/test.xml".
-// On Windows, uses \ as the separator rather than /.
-FilePath FilePath::ConcatPaths(const FilePath& directory,
-                               const FilePath& relative_path) {
-  if (directory.IsEmpty())
-    return relative_path;
-  const FilePath dir(directory.RemoveTrailingPathSeparator());
-  return FilePath(dir.string() + kPathSeparator + relative_path.string());
-}
-
-// Returns true if pathname describes something findable in the file-system,
-// either a file, directory, or whatever.
-bool FilePath::FileOrDirectoryExists() const {
-#if GTEST_OS_WINDOWS_MOBILE
-  LPCWSTR unicode = String::AnsiToUtf16(pathname_.c_str());
-  const DWORD attributes = GetFileAttributes(unicode);
-  delete [] unicode;
-  return attributes != kInvalidFileAttributes;
-#else
-  posix::StatStruct file_stat;
-  return posix::Stat(pathname_.c_str(), &file_stat) == 0;
-#endif  // GTEST_OS_WINDOWS_MOBILE
-}
-
-// Returns true if pathname describes a directory in the file-system
-// that exists.
-bool FilePath::DirectoryExists() const {
-  bool result = false;
-#if GTEST_OS_WINDOWS
-  // Don't strip off trailing separator if path is a root directory on
-  // Windows (like "C:\\").
-  const FilePath& path(IsRootDirectory() ? *this :
-                                           RemoveTrailingPathSeparator());
-#else
-  const FilePath& path(*this);
-#endif
-
-#if GTEST_OS_WINDOWS_MOBILE
-  LPCWSTR unicode = String::AnsiToUtf16(path.c_str());
-  const DWORD attributes = GetFileAttributes(unicode);
-  delete [] unicode;
-  if ((attributes != kInvalidFileAttributes) &&
-      (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
-    result = true;
-  }
-#else
-  posix::StatStruct file_stat;
-  result = posix::Stat(path.c_str(), &file_stat) == 0 &&
-      posix::IsDir(file_stat);
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-  return result;
-}
-
-// Returns true if pathname describes a root directory. (Windows has one
-// root directory per disk drive.)
-bool FilePath::IsRootDirectory() const {
-#if GTEST_OS_WINDOWS
-  return pathname_.length() == 3 && IsAbsolutePath();
-#else
-  return pathname_.length() == 1 && IsPathSeparator(pathname_.c_str()[0]);
-#endif
-}
-
-// Returns true if pathname describes an absolute path.
-bool FilePath::IsAbsolutePath() const {
-  const char* const name = pathname_.c_str();
-#if GTEST_OS_WINDOWS
-  return pathname_.length() >= 3 &&
-     ((name[0] >= 'a' && name[0] <= 'z') ||
-      (name[0] >= 'A' && name[0] <= 'Z')) &&
-     name[1] == ':' &&
-     IsPathSeparator(name[2]);
-#else
-  return IsPathSeparator(name[0]);
-#endif
-}
-
-// Returns a pathname for a file that does not currently exist. The pathname
-// will be directory/base_name.extension or
-// directory/base_name_<number>.extension if directory/base_name.extension
-// already exists. The number will be incremented until a pathname is found
-// that does not already exist.
-// Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'.
-// There could be a race condition if two or more processes are calling this
-// function at the same time -- they could both pick the same filename.
-FilePath FilePath::GenerateUniqueFileName(const FilePath& directory,
-                                          const FilePath& base_name,
-                                          const char* extension) {
-  FilePath full_pathname;
-  int number = 0;
-  do {
-    full_pathname.Set(MakeFileName(directory, base_name, number++, extension));
-  } while (full_pathname.FileOrDirectoryExists());
-  return full_pathname;
-}
-
-// Returns true if FilePath ends with a path separator, which indicates that
-// it is intended to represent a directory. Returns false otherwise.
-// This does NOT check that a directory (or file) actually exists.
-bool FilePath::IsDirectory() const {
-  return !pathname_.empty() &&
-         IsPathSeparator(pathname_.c_str()[pathname_.length() - 1]);
-}
-
-// Create directories so that path exists. Returns true if successful or if
-// the directories already exist; returns false if unable to create directories
-// for any reason.
-bool FilePath::CreateDirectoriesRecursively() const {
-  if (!this->IsDirectory()) {
-    return false;
-  }
-
-  if (pathname_.length() == 0 || this->DirectoryExists()) {
-    return true;
-  }
-
-  const FilePath parent(this->RemoveTrailingPathSeparator().RemoveFileName());
-  return parent.CreateDirectoriesRecursively() && this->CreateFolder();
-}
-
-// Create the directory so that path exists. Returns true if successful or
-// if the directory already exists; returns false if unable to create the
-// directory for any reason, including if the parent directory does not
-// exist. Not named "CreateDirectory" because that's a macro on Windows.
-bool FilePath::CreateFolder() const {
-#if GTEST_OS_WINDOWS_MOBILE
-  FilePath removed_sep(this->RemoveTrailingPathSeparator());
-  LPCWSTR unicode = String::AnsiToUtf16(removed_sep.c_str());
-  int result = CreateDirectory(unicode, nullptr) ? 0 : -1;
-  delete [] unicode;
-#elif GTEST_OS_WINDOWS
-  int result = _mkdir(pathname_.c_str());
-#elif GTEST_OS_ESP8266 || GTEST_OS_XTENSA
-  // do nothing
-  int result = 0;
-#else
-  int result = mkdir(pathname_.c_str(), 0777);
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-  if (result == -1) {
-    return this->DirectoryExists();  // An error is OK if the directory exists.
-  }
-  return true;  // No error.
-}
-
-// If input name has a trailing separator character, remove it and return the
-// name, otherwise return the name string unmodified.
-// On Windows platform, uses \ as the separator, other platforms use /.
-FilePath FilePath::RemoveTrailingPathSeparator() const {
-  return IsDirectory()
-      ? FilePath(pathname_.substr(0, pathname_.length() - 1))
-      : *this;
-}
-
-// Removes any redundant separators that might be in the pathname.
-// For example, "bar///foo" becomes "bar/foo". Does not eliminate other
-// redundancies that might be in a pathname involving "." or "..".
-void FilePath::Normalize() {
-  auto out = pathname_.begin();
-
-  for (const char character : pathname_) {
-    if (!IsPathSeparator(character)) {
-      *(out++) = character;
-    } else if (out == pathname_.begin() || *std::prev(out) != kPathSeparator) {
-      *(out++) = kPathSeparator;
-    } else {
-      continue;
-    }
-  }
-
-  pathname_.erase(out, pathname_.end());
-}
-
-}  // namespace internal
-}  // namespace testing
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This file implements just enough of the matcher interface to allow
-// EXPECT_DEATH and friends to accept a matcher argument.
-
-
-#include <string>
-
-namespace testing {
-
-// Constructs a matcher that matches a const std::string& whose value is
-// equal to s.
-Matcher<const std::string&>::Matcher(const std::string& s) { *this = Eq(s); }
-
-// Constructs a matcher that matches a const std::string& whose value is
-// equal to s.
-Matcher<const std::string&>::Matcher(const char* s) {
-  *this = Eq(std::string(s));
-}
-
-// Constructs a matcher that matches a std::string whose value is equal to
-// s.
-Matcher<std::string>::Matcher(const std::string& s) { *this = Eq(s); }
-
-// Constructs a matcher that matches a std::string whose value is equal to
-// s.
-Matcher<std::string>::Matcher(const char* s) { *this = Eq(std::string(s)); }
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-// Constructs a matcher that matches a const StringView& whose value is
-// equal to s.
-Matcher<const internal::StringView&>::Matcher(const std::string& s) {
-  *this = Eq(s);
-}
-
-// Constructs a matcher that matches a const StringView& whose value is
-// equal to s.
-Matcher<const internal::StringView&>::Matcher(const char* s) {
-  *this = Eq(std::string(s));
-}
-
-// Constructs a matcher that matches a const StringView& whose value is
-// equal to s.
-Matcher<const internal::StringView&>::Matcher(internal::StringView s) {
-  *this = Eq(std::string(s));
-}
-
-// Constructs a matcher that matches a StringView whose value is equal to
-// s.
-Matcher<internal::StringView>::Matcher(const std::string& s) { *this = Eq(s); }
-
-// Constructs a matcher that matches a StringView whose value is equal to
-// s.
-Matcher<internal::StringView>::Matcher(const char* s) {
-  *this = Eq(std::string(s));
-}
-
-// Constructs a matcher that matches a StringView whose value is equal to
-// s.
-Matcher<internal::StringView>::Matcher(internal::StringView s) {
-  *this = Eq(std::string(s));
-}
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-}  // namespace testing
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <cstdint>
-#include <fstream>
-#include <memory>
-
-#if GTEST_OS_WINDOWS
-# include <windows.h>
-# include <io.h>
-# include <sys/stat.h>
-# include <map>  // Used in ThreadLocal.
-# ifdef _MSC_VER
-#  include <crtdbg.h>
-# endif  // _MSC_VER
-#else
-# include <unistd.h>
-#endif  // GTEST_OS_WINDOWS
-
-#if GTEST_OS_MAC
-# include <mach/mach_init.h>
-# include <mach/task.h>
-# include <mach/vm_map.h>
-#endif  // GTEST_OS_MAC
-
-#if GTEST_OS_DRAGONFLY || GTEST_OS_FREEBSD || GTEST_OS_GNU_KFREEBSD || \
-    GTEST_OS_NETBSD || GTEST_OS_OPENBSD
-# include <sys/sysctl.h>
-# if GTEST_OS_DRAGONFLY || GTEST_OS_FREEBSD || GTEST_OS_GNU_KFREEBSD
-#  include <sys/user.h>
-# endif
-#endif
-
-#if GTEST_OS_QNX
-# include <devctl.h>
-# include <fcntl.h>
-# include <sys/procfs.h>
-#endif  // GTEST_OS_QNX
-
-#if GTEST_OS_AIX
-# include <procinfo.h>
-# include <sys/types.h>
-#endif  // GTEST_OS_AIX
-
-#if GTEST_OS_FUCHSIA
-# include <zircon/process.h>
-# include <zircon/syscalls.h>
-#endif  // GTEST_OS_FUCHSIA
-
-
-namespace testing {
-namespace internal {
-
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-// MSVC and C++Builder do not provide a definition of STDERR_FILENO.
-const int kStdOutFileno = 1;
-const int kStdErrFileno = 2;
-#else
-const int kStdOutFileno = STDOUT_FILENO;
-const int kStdErrFileno = STDERR_FILENO;
-#endif  // _MSC_VER
-
-#if GTEST_OS_LINUX
-
-namespace {
-template <typename T>
-T ReadProcFileField(const std::string& filename, int field) {
-  std::string dummy;
-  std::ifstream file(filename.c_str());
-  while (field-- > 0) {
-    file >> dummy;
-  }
-  T output = 0;
-  file >> output;
-  return output;
-}
-}  // namespace
-
-// Returns the number of active threads, or 0 when there is an error.
-size_t GetThreadCount() {
-  const std::string filename =
-      (Message() << "/proc/" << getpid() << "/stat").GetString();
-  return ReadProcFileField<size_t>(filename, 19);
-}
-
-#elif GTEST_OS_MAC
-
-size_t GetThreadCount() {
-  const task_t task = mach_task_self();
-  mach_msg_type_number_t thread_count;
-  thread_act_array_t thread_list;
-  const kern_return_t status = task_threads(task, &thread_list, &thread_count);
-  if (status == KERN_SUCCESS) {
-    // task_threads allocates resources in thread_list and we need to free them
-    // to avoid leaks.
-    vm_deallocate(task,
-                  reinterpret_cast<vm_address_t>(thread_list),
-                  sizeof(thread_t) * thread_count);
-    return static_cast<size_t>(thread_count);
-  } else {
-    return 0;
-  }
-}
-
-#elif GTEST_OS_DRAGONFLY || GTEST_OS_FREEBSD || GTEST_OS_GNU_KFREEBSD || \
-      GTEST_OS_NETBSD
-
-#if GTEST_OS_NETBSD
-#undef KERN_PROC
-#define KERN_PROC KERN_PROC2
-#define kinfo_proc kinfo_proc2
-#endif
-
-#if GTEST_OS_DRAGONFLY
-#define KP_NLWP(kp) (kp.kp_nthreads)
-#elif GTEST_OS_FREEBSD || GTEST_OS_GNU_KFREEBSD
-#define KP_NLWP(kp) (kp.ki_numthreads)
-#elif GTEST_OS_NETBSD
-#define KP_NLWP(kp) (kp.p_nlwps)
-#endif
-
-// Returns the number of threads running in the process, or 0 to indicate that
-// we cannot detect it.
-size_t GetThreadCount() {
-  int mib[] = {
-    CTL_KERN,
-    KERN_PROC,
-    KERN_PROC_PID,
-    getpid(),
-#if GTEST_OS_NETBSD
-    sizeof(struct kinfo_proc),
-    1,
-#endif
-  };
-  u_int miblen = sizeof(mib) / sizeof(mib[0]);
-  struct kinfo_proc info;
-  size_t size = sizeof(info);
-  if (sysctl(mib, miblen, &info, &size, NULL, 0)) {
-    return 0;
-  }
-  return static_cast<size_t>(KP_NLWP(info));
-}
-#elif GTEST_OS_OPENBSD
-
-// Returns the number of threads running in the process, or 0 to indicate that
-// we cannot detect it.
-size_t GetThreadCount() {
-  int mib[] = {
-    CTL_KERN,
-    KERN_PROC,
-    KERN_PROC_PID | KERN_PROC_SHOW_THREADS,
-    getpid(),
-    sizeof(struct kinfo_proc),
-    0,
-  };
-  u_int miblen = sizeof(mib) / sizeof(mib[0]);
-
-  // get number of structs
-  size_t size;
-  if (sysctl(mib, miblen, NULL, &size, NULL, 0)) {
-    return 0;
-  }
-
-  mib[5] = static_cast<int>(size / static_cast<size_t>(mib[4]));
-
-  // populate array of structs
-  struct kinfo_proc info[mib[5]];
-  if (sysctl(mib, miblen, &info, &size, NULL, 0)) {
-    return 0;
-  }
-
-  // exclude empty members
-  size_t nthreads = 0;
-  for (size_t i = 0; i < size / static_cast<size_t>(mib[4]); i++) {
-    if (info[i].p_tid != -1)
-      nthreads++;
-  }
-  return nthreads;
-}
-
-#elif GTEST_OS_QNX
-
-// Returns the number of threads running in the process, or 0 to indicate that
-// we cannot detect it.
-size_t GetThreadCount() {
-  const int fd = open("/proc/self/as", O_RDONLY);
-  if (fd < 0) {
-    return 0;
-  }
-  procfs_info process_info;
-  const int status =
-      devctl(fd, DCMD_PROC_INFO, &process_info, sizeof(process_info), nullptr);
-  close(fd);
-  if (status == EOK) {
-    return static_cast<size_t>(process_info.num_threads);
-  } else {
-    return 0;
-  }
-}
-
-#elif GTEST_OS_AIX
-
-size_t GetThreadCount() {
-  struct procentry64 entry;
-  pid_t pid = getpid();
-  int status = getprocs64(&entry, sizeof(entry), nullptr, 0, &pid, 1);
-  if (status == 1) {
-    return entry.pi_thcount;
-  } else {
-    return 0;
-  }
-}
-
-#elif GTEST_OS_FUCHSIA
-
-size_t GetThreadCount() {
-  int dummy_buffer;
-  size_t avail;
-  zx_status_t status = zx_object_get_info(
-      zx_process_self(),
-      ZX_INFO_PROCESS_THREADS,
-      &dummy_buffer,
-      0,
-      nullptr,
-      &avail);
-  if (status == ZX_OK) {
-    return avail;
-  } else {
-    return 0;
-  }
-}
-
-#else
-
-size_t GetThreadCount() {
-  // There's no portable way to detect the number of threads, so we just
-  // return 0 to indicate that we cannot detect it.
-  return 0;
-}
-
-#endif  // GTEST_OS_LINUX
-
-#if GTEST_IS_THREADSAFE && GTEST_OS_WINDOWS
-
-void SleepMilliseconds(int n) {
-  ::Sleep(static_cast<DWORD>(n));
-}
-
-AutoHandle::AutoHandle()
-    : handle_(INVALID_HANDLE_VALUE) {}
-
-AutoHandle::AutoHandle(Handle handle)
-    : handle_(handle) {}
-
-AutoHandle::~AutoHandle() {
-  Reset();
-}
-
-AutoHandle::Handle AutoHandle::Get() const {
-  return handle_;
-}
-
-void AutoHandle::Reset() {
-  Reset(INVALID_HANDLE_VALUE);
-}
-
-void AutoHandle::Reset(HANDLE handle) {
-  // Resetting with the same handle we already own is invalid.
-  if (handle_ != handle) {
-    if (IsCloseable()) {
-      ::CloseHandle(handle_);
-    }
-    handle_ = handle;
-  } else {
-    GTEST_CHECK_(!IsCloseable())
-        << "Resetting a valid handle to itself is likely a programmer error "
-            "and thus not allowed.";
-  }
-}
-
-bool AutoHandle::IsCloseable() const {
-  // Different Windows APIs may use either of these values to represent an
-  // invalid handle.
-  return handle_ != nullptr && handle_ != INVALID_HANDLE_VALUE;
-}
-
-Notification::Notification()
-    : event_(::CreateEvent(nullptr,     // Default security attributes.
-                           TRUE,        // Do not reset automatically.
-                           FALSE,       // Initially unset.
-                           nullptr)) {  // Anonymous event.
-  GTEST_CHECK_(event_.Get() != nullptr);
-}
-
-void Notification::Notify() {
-  GTEST_CHECK_(::SetEvent(event_.Get()) != FALSE);
-}
-
-void Notification::WaitForNotification() {
-  GTEST_CHECK_(
-      ::WaitForSingleObject(event_.Get(), INFINITE) == WAIT_OBJECT_0);
-}
-
-Mutex::Mutex()
-    : owner_thread_id_(0),
-      type_(kDynamic),
-      critical_section_init_phase_(0),
-      critical_section_(new CRITICAL_SECTION) {
-  ::InitializeCriticalSection(critical_section_);
-}
-
-Mutex::~Mutex() {
-  // Static mutexes are leaked intentionally. It is not thread-safe to try
-  // to clean them up.
-  if (type_ == kDynamic) {
-    ::DeleteCriticalSection(critical_section_);
-    delete critical_section_;
-    critical_section_ = nullptr;
-  }
-}
-
-void Mutex::Lock() {
-  ThreadSafeLazyInit();
-  ::EnterCriticalSection(critical_section_);
-  owner_thread_id_ = ::GetCurrentThreadId();
-}
-
-void Mutex::Unlock() {
-  ThreadSafeLazyInit();
-  // We don't protect writing to owner_thread_id_ here, as it's the
-  // caller's responsibility to ensure that the current thread holds the
-  // mutex when this is called.
-  owner_thread_id_ = 0;
-  ::LeaveCriticalSection(critical_section_);
-}
-
-// Does nothing if the current thread holds the mutex. Otherwise, crashes
-// with high probability.
-void Mutex::AssertHeld() {
-  ThreadSafeLazyInit();
-  GTEST_CHECK_(owner_thread_id_ == ::GetCurrentThreadId())
-      << "The current thread is not holding the mutex @" << this;
-}
-
-namespace {
-
-#ifdef _MSC_VER
-// Use the RAII idiom to flag mem allocs that are intentionally never
-// deallocated. The motivation is to silence the false positive mem leaks
-// that are reported by the debug version of MS's CRT which can only detect
-// if an alloc is missing a matching deallocation.
-// Example:
-//    MemoryIsNotDeallocated memory_is_not_deallocated;
-//    critical_section_ = new CRITICAL_SECTION;
-//
-class MemoryIsNotDeallocated
-{
- public:
-  MemoryIsNotDeallocated() : old_crtdbg_flag_(0) {
-    old_crtdbg_flag_ = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
-    // Set heap allocation block type to _IGNORE_BLOCK so that MS debug CRT
-    // doesn't report mem leak if there's no matching deallocation.
-    _CrtSetDbgFlag(old_crtdbg_flag_ & ~_CRTDBG_ALLOC_MEM_DF);
-  }
-
-  ~MemoryIsNotDeallocated() {
-    // Restore the original _CRTDBG_ALLOC_MEM_DF flag
-    _CrtSetDbgFlag(old_crtdbg_flag_);
-  }
-
- private:
-  int old_crtdbg_flag_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(MemoryIsNotDeallocated);
-};
-#endif  // _MSC_VER
-
-}  // namespace
-
-// Initializes owner_thread_id_ and critical_section_ in static mutexes.
-void Mutex::ThreadSafeLazyInit() {
-  // Dynamic mutexes are initialized in the constructor.
-  if (type_ == kStatic) {
-    switch (
-        ::InterlockedCompareExchange(&critical_section_init_phase_, 1L, 0L)) {
-      case 0:
-        // If critical_section_init_phase_ was 0 before the exchange, we
-        // are the first to test it and need to perform the initialization.
-        owner_thread_id_ = 0;
-        {
-          // Use RAII to flag that following mem alloc is never deallocated.
-#ifdef _MSC_VER
-          MemoryIsNotDeallocated memory_is_not_deallocated;
-#endif  // _MSC_VER
-          critical_section_ = new CRITICAL_SECTION;
-        }
-        ::InitializeCriticalSection(critical_section_);
-        // Updates the critical_section_init_phase_ to 2 to signal
-        // initialization complete.
-        GTEST_CHECK_(::InterlockedCompareExchange(
-                          &critical_section_init_phase_, 2L, 1L) ==
-                      1L);
-        break;
-      case 1:
-        // Somebody else is already initializing the mutex; spin until they
-        // are done.
-        while (::InterlockedCompareExchange(&critical_section_init_phase_,
-                                            2L,
-                                            2L) != 2L) {
-          // Possibly yields the rest of the thread's time slice to other
-          // threads.
-          ::Sleep(0);
-        }
-        break;
-
-      case 2:
-        break;  // The mutex is already initialized and ready for use.
-
-      default:
-        GTEST_CHECK_(false)
-            << "Unexpected value of critical_section_init_phase_ "
-            << "while initializing a static mutex.";
-    }
-  }
-}
-
-namespace {
-
-class ThreadWithParamSupport : public ThreadWithParamBase {
- public:
-  static HANDLE CreateThread(Runnable* runnable,
-                             Notification* thread_can_start) {
-    ThreadMainParam* param = new ThreadMainParam(runnable, thread_can_start);
-    DWORD thread_id;
-    HANDLE thread_handle = ::CreateThread(
-        nullptr,  // Default security.
-        0,        // Default stack size.
-        &ThreadWithParamSupport::ThreadMain,
-        param,        // Parameter to ThreadMainStatic
-        0x0,          // Default creation flags.
-        &thread_id);  // Need a valid pointer for the call to work under Win98.
-    GTEST_CHECK_(thread_handle != nullptr)
-        << "CreateThread failed with error " << ::GetLastError() << ".";
-    if (thread_handle == nullptr) {
-      delete param;
-    }
-    return thread_handle;
-  }
-
- private:
-  struct ThreadMainParam {
-    ThreadMainParam(Runnable* runnable, Notification* thread_can_start)
-        : runnable_(runnable),
-          thread_can_start_(thread_can_start) {
-    }
-    std::unique_ptr<Runnable> runnable_;
-    // Does not own.
-    Notification* thread_can_start_;
-  };
-
-  static DWORD WINAPI ThreadMain(void* ptr) {
-    // Transfers ownership.
-    std::unique_ptr<ThreadMainParam> param(static_cast<ThreadMainParam*>(ptr));
-    if (param->thread_can_start_ != nullptr)
-      param->thread_can_start_->WaitForNotification();
-    param->runnable_->Run();
-    return 0;
-  }
-
-  // Prohibit instantiation.
-  ThreadWithParamSupport();
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParamSupport);
-};
-
-}  // namespace
-
-ThreadWithParamBase::ThreadWithParamBase(Runnable *runnable,
-                                         Notification* thread_can_start)
-      : thread_(ThreadWithParamSupport::CreateThread(runnable,
-                                                     thread_can_start)) {
-}
-
-ThreadWithParamBase::~ThreadWithParamBase() {
-  Join();
-}
-
-void ThreadWithParamBase::Join() {
-  GTEST_CHECK_(::WaitForSingleObject(thread_.Get(), INFINITE) == WAIT_OBJECT_0)
-      << "Failed to join the thread with error " << ::GetLastError() << ".";
-}
-
-// Maps a thread to a set of ThreadIdToThreadLocals that have values
-// instantiated on that thread and notifies them when the thread exits.  A
-// ThreadLocal instance is expected to persist until all threads it has
-// values on have terminated.
-class ThreadLocalRegistryImpl {
- public:
-  // Registers thread_local_instance as having value on the current thread.
-  // Returns a value that can be used to identify the thread from other threads.
-  static ThreadLocalValueHolderBase* GetValueOnCurrentThread(
-      const ThreadLocalBase* thread_local_instance) {
-#ifdef _MSC_VER
-    MemoryIsNotDeallocated memory_is_not_deallocated;
-#endif  // _MSC_VER
-    DWORD current_thread = ::GetCurrentThreadId();
-    MutexLock lock(&mutex_);
-    ThreadIdToThreadLocals* const thread_to_thread_locals =
-        GetThreadLocalsMapLocked();
-    ThreadIdToThreadLocals::iterator thread_local_pos =
-        thread_to_thread_locals->find(current_thread);
-    if (thread_local_pos == thread_to_thread_locals->end()) {
-      thread_local_pos = thread_to_thread_locals->insert(
-          std::make_pair(current_thread, ThreadLocalValues())).first;
-      StartWatcherThreadFor(current_thread);
-    }
-    ThreadLocalValues& thread_local_values = thread_local_pos->second;
-    ThreadLocalValues::iterator value_pos =
-        thread_local_values.find(thread_local_instance);
-    if (value_pos == thread_local_values.end()) {
-      value_pos =
-          thread_local_values
-              .insert(std::make_pair(
-                  thread_local_instance,
-                  std::shared_ptr<ThreadLocalValueHolderBase>(
-                      thread_local_instance->NewValueForCurrentThread())))
-              .first;
-    }
-    return value_pos->second.get();
-  }
-
-  static void OnThreadLocalDestroyed(
-      const ThreadLocalBase* thread_local_instance) {
-    std::vector<std::shared_ptr<ThreadLocalValueHolderBase> > value_holders;
-    // Clean up the ThreadLocalValues data structure while holding the lock, but
-    // defer the destruction of the ThreadLocalValueHolderBases.
-    {
-      MutexLock lock(&mutex_);
-      ThreadIdToThreadLocals* const thread_to_thread_locals =
-          GetThreadLocalsMapLocked();
-      for (ThreadIdToThreadLocals::iterator it =
-          thread_to_thread_locals->begin();
-          it != thread_to_thread_locals->end();
-          ++it) {
-        ThreadLocalValues& thread_local_values = it->second;
-        ThreadLocalValues::iterator value_pos =
-            thread_local_values.find(thread_local_instance);
-        if (value_pos != thread_local_values.end()) {
-          value_holders.push_back(value_pos->second);
-          thread_local_values.erase(value_pos);
-          // This 'if' can only be successful at most once, so theoretically we
-          // could break out of the loop here, but we don't bother doing so.
-        }
-      }
-    }
-    // Outside the lock, let the destructor for 'value_holders' deallocate the
-    // ThreadLocalValueHolderBases.
-  }
-
-  static void OnThreadExit(DWORD thread_id) {
-    GTEST_CHECK_(thread_id != 0) << ::GetLastError();
-    std::vector<std::shared_ptr<ThreadLocalValueHolderBase> > value_holders;
-    // Clean up the ThreadIdToThreadLocals data structure while holding the
-    // lock, but defer the destruction of the ThreadLocalValueHolderBases.
-    {
-      MutexLock lock(&mutex_);
-      ThreadIdToThreadLocals* const thread_to_thread_locals =
-          GetThreadLocalsMapLocked();
-      ThreadIdToThreadLocals::iterator thread_local_pos =
-          thread_to_thread_locals->find(thread_id);
-      if (thread_local_pos != thread_to_thread_locals->end()) {
-        ThreadLocalValues& thread_local_values = thread_local_pos->second;
-        for (ThreadLocalValues::iterator value_pos =
-            thread_local_values.begin();
-            value_pos != thread_local_values.end();
-            ++value_pos) {
-          value_holders.push_back(value_pos->second);
-        }
-        thread_to_thread_locals->erase(thread_local_pos);
-      }
-    }
-    // Outside the lock, let the destructor for 'value_holders' deallocate the
-    // ThreadLocalValueHolderBases.
-  }
-
- private:
-  // In a particular thread, maps a ThreadLocal object to its value.
-  typedef std::map<const ThreadLocalBase*,
-                   std::shared_ptr<ThreadLocalValueHolderBase> >
-      ThreadLocalValues;
-  // Stores all ThreadIdToThreadLocals having values in a thread, indexed by
-  // thread's ID.
-  typedef std::map<DWORD, ThreadLocalValues> ThreadIdToThreadLocals;
-
-  // Holds the thread id and thread handle that we pass from
-  // StartWatcherThreadFor to WatcherThreadFunc.
-  typedef std::pair<DWORD, HANDLE> ThreadIdAndHandle;
-
-  static void StartWatcherThreadFor(DWORD thread_id) {
-    // The returned handle will be kept in thread_map and closed by
-    // watcher_thread in WatcherThreadFunc.
-    HANDLE thread = ::OpenThread(SYNCHRONIZE | THREAD_QUERY_INFORMATION,
-                                 FALSE,
-                                 thread_id);
-    GTEST_CHECK_(thread != nullptr);
-    // We need to pass a valid thread ID pointer into CreateThread for it
-    // to work correctly under Win98.
-    DWORD watcher_thread_id;
-    HANDLE watcher_thread = ::CreateThread(
-        nullptr,  // Default security.
-        0,        // Default stack size
-        &ThreadLocalRegistryImpl::WatcherThreadFunc,
-        reinterpret_cast<LPVOID>(new ThreadIdAndHandle(thread_id, thread)),
-        CREATE_SUSPENDED, &watcher_thread_id);
-    GTEST_CHECK_(watcher_thread != nullptr);
-    // Give the watcher thread the same priority as ours to avoid being
-    // blocked by it.
-    ::SetThreadPriority(watcher_thread,
-                        ::GetThreadPriority(::GetCurrentThread()));
-    ::ResumeThread(watcher_thread);
-    ::CloseHandle(watcher_thread);
-  }
-
-  // Monitors exit from a given thread and notifies those
-  // ThreadIdToThreadLocals about thread termination.
-  static DWORD WINAPI WatcherThreadFunc(LPVOID param) {
-    const ThreadIdAndHandle* tah =
-        reinterpret_cast<const ThreadIdAndHandle*>(param);
-    GTEST_CHECK_(
-        ::WaitForSingleObject(tah->second, INFINITE) == WAIT_OBJECT_0);
-    OnThreadExit(tah->first);
-    ::CloseHandle(tah->second);
-    delete tah;
-    return 0;
-  }
-
-  // Returns map of thread local instances.
-  static ThreadIdToThreadLocals* GetThreadLocalsMapLocked() {
-    mutex_.AssertHeld();
-#ifdef _MSC_VER
-    MemoryIsNotDeallocated memory_is_not_deallocated;
-#endif  // _MSC_VER
-    static ThreadIdToThreadLocals* map = new ThreadIdToThreadLocals();
-    return map;
-  }
-
-  // Protects access to GetThreadLocalsMapLocked() and its return value.
-  static Mutex mutex_;
-  // Protects access to GetThreadMapLocked() and its return value.
-  static Mutex thread_map_mutex_;
-};
-
-Mutex ThreadLocalRegistryImpl::mutex_(Mutex::kStaticMutex);
-Mutex ThreadLocalRegistryImpl::thread_map_mutex_(Mutex::kStaticMutex);
-
-ThreadLocalValueHolderBase* ThreadLocalRegistry::GetValueOnCurrentThread(
-      const ThreadLocalBase* thread_local_instance) {
-  return ThreadLocalRegistryImpl::GetValueOnCurrentThread(
-      thread_local_instance);
-}
-
-void ThreadLocalRegistry::OnThreadLocalDestroyed(
-      const ThreadLocalBase* thread_local_instance) {
-  ThreadLocalRegistryImpl::OnThreadLocalDestroyed(thread_local_instance);
-}
-
-#endif  // GTEST_IS_THREADSAFE && GTEST_OS_WINDOWS
-
-#if GTEST_USES_POSIX_RE
-
-// Implements RE.  Currently only needed for death tests.
-
-RE::~RE() {
-  if (is_valid_) {
-    // regfree'ing an invalid regex might crash because the content
-    // of the regex is undefined. Since the regex's are essentially
-    // the same, one cannot be valid (or invalid) without the other
-    // being so too.
-    regfree(&partial_regex_);
-    regfree(&full_regex_);
-  }
-  free(const_cast<char*>(pattern_));
-}
-
-// Returns true if and only if regular expression re matches the entire str.
-bool RE::FullMatch(const char* str, const RE& re) {
-  if (!re.is_valid_) return false;
-
-  regmatch_t match;
-  return regexec(&re.full_regex_, str, 1, &match, 0) == 0;
-}
-
-// Returns true if and only if regular expression re matches a substring of
-// str (including str itself).
-bool RE::PartialMatch(const char* str, const RE& re) {
-  if (!re.is_valid_) return false;
-
-  regmatch_t match;
-  return regexec(&re.partial_regex_, str, 1, &match, 0) == 0;
-}
-
-// Initializes an RE from its string representation.
-void RE::Init(const char* regex) {
-  pattern_ = posix::StrDup(regex);
-
-  // Reserves enough bytes to hold the regular expression used for a
-  // full match.
-  const size_t full_regex_len = strlen(regex) + 10;
-  char* const full_pattern = new char[full_regex_len];
-
-  snprintf(full_pattern, full_regex_len, "^(%s)$", regex);
-  is_valid_ = regcomp(&full_regex_, full_pattern, REG_EXTENDED) == 0;
-  // We want to call regcomp(&partial_regex_, ...) even if the
-  // previous expression returns false.  Otherwise partial_regex_ may
-  // not be properly initialized can may cause trouble when it's
-  // freed.
-  //
-  // Some implementation of POSIX regex (e.g. on at least some
-  // versions of Cygwin) doesn't accept the empty string as a valid
-  // regex.  We change it to an equivalent form "()" to be safe.
-  if (is_valid_) {
-    const char* const partial_regex = (*regex == '\0') ? "()" : regex;
-    is_valid_ = regcomp(&partial_regex_, partial_regex, REG_EXTENDED) == 0;
-  }
-  EXPECT_TRUE(is_valid_)
-      << "Regular expression \"" << regex
-      << "\" is not a valid POSIX Extended regular expression.";
-
-  delete[] full_pattern;
-}
-
-#elif GTEST_USES_SIMPLE_RE
-
-// Returns true if and only if ch appears anywhere in str (excluding the
-// terminating '\0' character).
-bool IsInSet(char ch, const char* str) {
-  return ch != '\0' && strchr(str, ch) != nullptr;
-}
-
-// Returns true if and only if ch belongs to the given classification.
-// Unlike similar functions in <ctype.h>, these aren't affected by the
-// current locale.
-bool IsAsciiDigit(char ch) { return '0' <= ch && ch <= '9'; }
-bool IsAsciiPunct(char ch) {
-  return IsInSet(ch, "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~");
-}
-bool IsRepeat(char ch) { return IsInSet(ch, "?*+"); }
-bool IsAsciiWhiteSpace(char ch) { return IsInSet(ch, " \f\n\r\t\v"); }
-bool IsAsciiWordChar(char ch) {
-  return ('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z') ||
-      ('0' <= ch && ch <= '9') || ch == '_';
-}
-
-// Returns true if and only if "\\c" is a supported escape sequence.
-bool IsValidEscape(char c) {
-  return (IsAsciiPunct(c) || IsInSet(c, "dDfnrsStvwW"));
-}
-
-// Returns true if and only if the given atom (specified by escaped and
-// pattern) matches ch.  The result is undefined if the atom is invalid.
-bool AtomMatchesChar(bool escaped, char pattern_char, char ch) {
-  if (escaped) {  // "\\p" where p is pattern_char.
-    switch (pattern_char) {
-      case 'd': return IsAsciiDigit(ch);
-      case 'D': return !IsAsciiDigit(ch);
-      case 'f': return ch == '\f';
-      case 'n': return ch == '\n';
-      case 'r': return ch == '\r';
-      case 's': return IsAsciiWhiteSpace(ch);
-      case 'S': return !IsAsciiWhiteSpace(ch);
-      case 't': return ch == '\t';
-      case 'v': return ch == '\v';
-      case 'w': return IsAsciiWordChar(ch);
-      case 'W': return !IsAsciiWordChar(ch);
-    }
-    return IsAsciiPunct(pattern_char) && pattern_char == ch;
-  }
-
-  return (pattern_char == '.' && ch != '\n') || pattern_char == ch;
-}
-
-// Helper function used by ValidateRegex() to format error messages.
-static std::string FormatRegexSyntaxError(const char* regex, int index) {
-  return (Message() << "Syntax error at index " << index
-          << " in simple regular expression \"" << regex << "\": ").GetString();
-}
-
-// Generates non-fatal failures and returns false if regex is invalid;
-// otherwise returns true.
-bool ValidateRegex(const char* regex) {
-  if (regex == nullptr) {
-    ADD_FAILURE() << "NULL is not a valid simple regular expression.";
-    return false;
-  }
-
-  bool is_valid = true;
-
-  // True if and only if ?, *, or + can follow the previous atom.
-  bool prev_repeatable = false;
-  for (int i = 0; regex[i]; i++) {
-    if (regex[i] == '\\') {  // An escape sequence
-      i++;
-      if (regex[i] == '\0') {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1)
-                      << "'\\' cannot appear at the end.";
-        return false;
-      }
-
-      if (!IsValidEscape(regex[i])) {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1)
-                      << "invalid escape sequence \"\\" << regex[i] << "\".";
-        is_valid = false;
-      }
-      prev_repeatable = true;
-    } else {  // Not an escape sequence.
-      const char ch = regex[i];
-
-      if (ch == '^' && i > 0) {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i)
-                      << "'^' can only appear at the beginning.";
-        is_valid = false;
-      } else if (ch == '$' && regex[i + 1] != '\0') {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i)
-                      << "'$' can only appear at the end.";
-        is_valid = false;
-      } else if (IsInSet(ch, "()[]{}|")) {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i)
-                      << "'" << ch << "' is unsupported.";
-        is_valid = false;
-      } else if (IsRepeat(ch) && !prev_repeatable) {
-        ADD_FAILURE() << FormatRegexSyntaxError(regex, i)
-                      << "'" << ch << "' can only follow a repeatable token.";
-        is_valid = false;
-      }
-
-      prev_repeatable = !IsInSet(ch, "^$?*+");
-    }
-  }
-
-  return is_valid;
-}
-
-// Matches a repeated regex atom followed by a valid simple regular
-// expression.  The regex atom is defined as c if escaped is false,
-// or \c otherwise.  repeat is the repetition meta character (?, *,
-// or +).  The behavior is undefined if str contains too many
-// characters to be indexable by size_t, in which case the test will
-// probably time out anyway.  We are fine with this limitation as
-// std::string has it too.
-bool MatchRepetitionAndRegexAtHead(
-    bool escaped, char c, char repeat, const char* regex,
-    const char* str) {
-  const size_t min_count = (repeat == '+') ? 1 : 0;
-  const size_t max_count = (repeat == '?') ? 1 :
-      static_cast<size_t>(-1) - 1;
-  // We cannot call numeric_limits::max() as it conflicts with the
-  // max() macro on Windows.
-
-  for (size_t i = 0; i <= max_count; ++i) {
-    // We know that the atom matches each of the first i characters in str.
-    if (i >= min_count && MatchRegexAtHead(regex, str + i)) {
-      // We have enough matches at the head, and the tail matches too.
-      // Since we only care about *whether* the pattern matches str
-      // (as opposed to *how* it matches), there is no need to find a
-      // greedy match.
-      return true;
-    }
-    if (str[i] == '\0' || !AtomMatchesChar(escaped, c, str[i]))
-      return false;
-  }
-  return false;
-}
-
-// Returns true if and only if regex matches a prefix of str. regex must
-// be a valid simple regular expression and not start with "^", or the
-// result is undefined.
-bool MatchRegexAtHead(const char* regex, const char* str) {
-  if (*regex == '\0')  // An empty regex matches a prefix of anything.
-    return true;
-
-  // "$" only matches the end of a string.  Note that regex being
-  // valid guarantees that there's nothing after "$" in it.
-  if (*regex == '$')
-    return *str == '\0';
-
-  // Is the first thing in regex an escape sequence?
-  const bool escaped = *regex == '\\';
-  if (escaped)
-    ++regex;
-  if (IsRepeat(regex[1])) {
-    // MatchRepetitionAndRegexAtHead() calls MatchRegexAtHead(), so
-    // here's an indirect recursion.  It terminates as the regex gets
-    // shorter in each recursion.
-    return MatchRepetitionAndRegexAtHead(
-        escaped, regex[0], regex[1], regex + 2, str);
-  } else {
-    // regex isn't empty, isn't "$", and doesn't start with a
-    // repetition.  We match the first atom of regex with the first
-    // character of str and recurse.
-    return (*str != '\0') && AtomMatchesChar(escaped, *regex, *str) &&
-        MatchRegexAtHead(regex + 1, str + 1);
-  }
-}
-
-// Returns true if and only if regex matches any substring of str.  regex must
-// be a valid simple regular expression, or the result is undefined.
-//
-// The algorithm is recursive, but the recursion depth doesn't exceed
-// the regex length, so we won't need to worry about running out of
-// stack space normally.  In rare cases the time complexity can be
-// exponential with respect to the regex length + the string length,
-// but usually it's must faster (often close to linear).
-bool MatchRegexAnywhere(const char* regex, const char* str) {
-  if (regex == nullptr || str == nullptr) return false;
-
-  if (*regex == '^')
-    return MatchRegexAtHead(regex + 1, str);
-
-  // A successful match can be anywhere in str.
-  do {
-    if (MatchRegexAtHead(regex, str))
-      return true;
-  } while (*str++ != '\0');
-  return false;
-}
-
-// Implements the RE class.
-
-RE::~RE() {
-  free(const_cast<char*>(pattern_));
-  free(const_cast<char*>(full_pattern_));
-}
-
-// Returns true if and only if regular expression re matches the entire str.
-bool RE::FullMatch(const char* str, const RE& re) {
-  return re.is_valid_ && MatchRegexAnywhere(re.full_pattern_, str);
-}
-
-// Returns true if and only if regular expression re matches a substring of
-// str (including str itself).
-bool RE::PartialMatch(const char* str, const RE& re) {
-  return re.is_valid_ && MatchRegexAnywhere(re.pattern_, str);
-}
-
-// Initializes an RE from its string representation.
-void RE::Init(const char* regex) {
-  pattern_ = full_pattern_ = nullptr;
-  if (regex != nullptr) {
-    pattern_ = posix::StrDup(regex);
-  }
-
-  is_valid_ = ValidateRegex(regex);
-  if (!is_valid_) {
-    // No need to calculate the full pattern when the regex is invalid.
-    return;
-  }
-
-  const size_t len = strlen(regex);
-  // Reserves enough bytes to hold the regular expression used for a
-  // full match: we need space to prepend a '^', append a '$', and
-  // terminate the string with '\0'.
-  char* buffer = static_cast<char*>(malloc(len + 3));
-  full_pattern_ = buffer;
-
-  if (*regex != '^')
-    *buffer++ = '^';  // Makes sure full_pattern_ starts with '^'.
-
-  // We don't use snprintf or strncpy, as they trigger a warning when
-  // compiled with VC++ 8.0.
-  memcpy(buffer, regex, len);
-  buffer += len;
-
-  if (len == 0 || regex[len - 1] != '$')
-    *buffer++ = '$';  // Makes sure full_pattern_ ends with '$'.
-
-  *buffer = '\0';
-}
-
-#endif  // GTEST_USES_POSIX_RE
-
-const char kUnknownFile[] = "unknown file";
-
-// Formats a source file path and a line number as they would appear
-// in an error message from the compiler used to compile this code.
-GTEST_API_ ::std::string FormatFileLocation(const char* file, int line) {
-  const std::string file_name(file == nullptr ? kUnknownFile : file);
-
-  if (line < 0) {
-    return file_name + ":";
-  }
-#ifdef _MSC_VER
-  return file_name + "(" + StreamableToString(line) + "):";
-#else
-  return file_name + ":" + StreamableToString(line) + ":";
-#endif  // _MSC_VER
-}
-
-// Formats a file location for compiler-independent XML output.
-// Although this function is not platform dependent, we put it next to
-// FormatFileLocation in order to contrast the two functions.
-// Note that FormatCompilerIndependentFileLocation() does NOT append colon
-// to the file location it produces, unlike FormatFileLocation().
-GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(
-    const char* file, int line) {
-  const std::string file_name(file == nullptr ? kUnknownFile : file);
-
-  if (line < 0)
-    return file_name;
-  else
-    return file_name + ":" + StreamableToString(line);
-}
-
-GTestLog::GTestLog(GTestLogSeverity severity, const char* file, int line)
-    : severity_(severity) {
-  const char* const marker =
-      severity == GTEST_INFO ?    "[  INFO ]" :
-      severity == GTEST_WARNING ? "[WARNING]" :
-      severity == GTEST_ERROR ?   "[ ERROR ]" : "[ FATAL ]";
-  GetStream() << ::std::endl << marker << " "
-              << FormatFileLocation(file, line).c_str() << ": ";
-}
-
-// Flushes the buffers and, if severity is GTEST_FATAL, aborts the program.
-GTestLog::~GTestLog() {
-  GetStream() << ::std::endl;
-  if (severity_ == GTEST_FATAL) {
-    fflush(stderr);
-    posix::Abort();
-  }
-}
-
-// Disable Microsoft deprecation warnings for POSIX functions called from
-// this class (creat, dup, dup2, and close)
-GTEST_DISABLE_MSC_DEPRECATED_PUSH_()
-
-#if GTEST_HAS_STREAM_REDIRECTION
-
-// Object that captures an output stream (stdout/stderr).
-class CapturedStream {
- public:
-  // The ctor redirects the stream to a temporary file.
-  explicit CapturedStream(int fd) : fd_(fd), uncaptured_fd_(dup(fd)) {
-# if GTEST_OS_WINDOWS
-    char temp_dir_path[MAX_PATH + 1] = { '\0' };  // NOLINT
-    char temp_file_path[MAX_PATH + 1] = { '\0' };  // NOLINT
-
-    ::GetTempPathA(sizeof(temp_dir_path), temp_dir_path);
-    const UINT success = ::GetTempFileNameA(temp_dir_path,
-                                            "gtest_redir",
-                                            0,  // Generate unique file name.
-                                            temp_file_path);
-    GTEST_CHECK_(success != 0)
-        << "Unable to create a temporary file in " << temp_dir_path;
-    const int captured_fd = creat(temp_file_path, _S_IREAD | _S_IWRITE);
-    GTEST_CHECK_(captured_fd != -1) << "Unable to open temporary file "
-                                    << temp_file_path;
-    filename_ = temp_file_path;
-# else
-    // There's no guarantee that a test has write access to the current
-    // directory, so we create the temporary file in the /tmp directory
-    // instead. We use /tmp on most systems, and /sdcard on Android.
-    // That's because Android doesn't have /tmp.
-#  if GTEST_OS_LINUX_ANDROID
-    // Note: Android applications are expected to call the framework's
-    // Context.getExternalStorageDirectory() method through JNI to get
-    // the location of the world-writable SD Card directory. However,
-    // this requires a Context handle, which cannot be retrieved
-    // globally from native code. Doing so also precludes running the
-    // code as part of a regular standalone executable, which doesn't
-    // run in a Dalvik process (e.g. when running it through 'adb shell').
-    //
-    // The location /data/local/tmp is directly accessible from native code.
-    // '/sdcard' and other variants cannot be relied on, as they are not
-    // guaranteed to be mounted, or may have a delay in mounting.
-    char name_template[] = "/data/local/tmp/gtest_captured_stream.XXXXXX";
-#  else
-    char name_template[] = "/tmp/captured_stream.XXXXXX";
-#  endif  // GTEST_OS_LINUX_ANDROID
-    const int captured_fd = mkstemp(name_template);
-    if (captured_fd == -1) {
-      GTEST_LOG_(WARNING)
-          << "Failed to create tmp file " << name_template
-          << " for test; does the test have access to the /tmp directory?";
-    }
-    filename_ = name_template;
-# endif  // GTEST_OS_WINDOWS
-    fflush(nullptr);
-    dup2(captured_fd, fd_);
-    close(captured_fd);
-  }
-
-  ~CapturedStream() {
-    remove(filename_.c_str());
-  }
-
-  std::string GetCapturedString() {
-    if (uncaptured_fd_ != -1) {
-      // Restores the original stream.
-      fflush(nullptr);
-      dup2(uncaptured_fd_, fd_);
-      close(uncaptured_fd_);
-      uncaptured_fd_ = -1;
-    }
-
-    FILE* const file = posix::FOpen(filename_.c_str(), "r");
-    if (file == nullptr) {
-      GTEST_LOG_(FATAL) << "Failed to open tmp file " << filename_
-                        << " for capturing stream.";
-    }
-    const std::string content = ReadEntireFile(file);
-    posix::FClose(file);
-    return content;
-  }
-
- private:
-  const int fd_;  // A stream to capture.
-  int uncaptured_fd_;
-  // Name of the temporary file holding the stderr output.
-  ::std::string filename_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(CapturedStream);
-};
-
-GTEST_DISABLE_MSC_DEPRECATED_POP_()
-
-static CapturedStream* g_captured_stderr = nullptr;
-static CapturedStream* g_captured_stdout = nullptr;
-
-// Starts capturing an output stream (stdout/stderr).
-static void CaptureStream(int fd, const char* stream_name,
-                          CapturedStream** stream) {
-  if (*stream != nullptr) {
-    GTEST_LOG_(FATAL) << "Only one " << stream_name
-                      << " capturer can exist at a time.";
-  }
-  *stream = new CapturedStream(fd);
-}
-
-// Stops capturing the output stream and returns the captured string.
-static std::string GetCapturedStream(CapturedStream** captured_stream) {
-  const std::string content = (*captured_stream)->GetCapturedString();
-
-  delete *captured_stream;
-  *captured_stream = nullptr;
-
-  return content;
-}
-
-// Starts capturing stdout.
-void CaptureStdout() {
-  CaptureStream(kStdOutFileno, "stdout", &g_captured_stdout);
-}
-
-// Starts capturing stderr.
-void CaptureStderr() {
-  CaptureStream(kStdErrFileno, "stderr", &g_captured_stderr);
-}
-
-// Stops capturing stdout and returns the captured string.
-std::string GetCapturedStdout() {
-  return GetCapturedStream(&g_captured_stdout);
-}
-
-// Stops capturing stderr and returns the captured string.
-std::string GetCapturedStderr() {
-  return GetCapturedStream(&g_captured_stderr);
-}
-
-#endif  // GTEST_HAS_STREAM_REDIRECTION
-
-
-
-
-
-size_t GetFileSize(FILE* file) {
-  fseek(file, 0, SEEK_END);
-  return static_cast<size_t>(ftell(file));
-}
-
-std::string ReadEntireFile(FILE* file) {
-  const size_t file_size = GetFileSize(file);
-  char* const buffer = new char[file_size];
-
-  size_t bytes_last_read = 0;  // # of bytes read in the last fread()
-  size_t bytes_read = 0;       // # of bytes read so far
-
-  fseek(file, 0, SEEK_SET);
-
-  // Keeps reading the file until we cannot read further or the
-  // pre-determined file size is reached.
-  do {
-    bytes_last_read = fread(buffer+bytes_read, 1, file_size-bytes_read, file);
-    bytes_read += bytes_last_read;
-  } while (bytes_last_read > 0 && bytes_read < file_size);
-
-  const std::string content(buffer, bytes_read);
-  delete[] buffer;
-
-  return content;
-}
-
-#if GTEST_HAS_DEATH_TEST
-static const std::vector<std::string>* g_injected_test_argvs =
-    nullptr;  // Owned.
-
-std::vector<std::string> GetInjectableArgvs() {
-  if (g_injected_test_argvs != nullptr) {
-    return *g_injected_test_argvs;
-  }
-  return GetArgvs();
-}
-
-void SetInjectableArgvs(const std::vector<std::string>* new_argvs) {
-  if (g_injected_test_argvs != new_argvs) delete g_injected_test_argvs;
-  g_injected_test_argvs = new_argvs;
-}
-
-void SetInjectableArgvs(const std::vector<std::string>& new_argvs) {
-  SetInjectableArgvs(
-      new std::vector<std::string>(new_argvs.begin(), new_argvs.end()));
-}
-
-void ClearInjectableArgvs() {
-  delete g_injected_test_argvs;
-  g_injected_test_argvs = nullptr;
-}
-#endif  // GTEST_HAS_DEATH_TEST
-
-#if GTEST_OS_WINDOWS_MOBILE
-namespace posix {
-void Abort() {
-  DebugBreak();
-  TerminateProcess(GetCurrentProcess(), 1);
-}
-}  // namespace posix
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-// Returns the name of the environment variable corresponding to the
-// given flag.  For example, FlagToEnvVar("foo") will return
-// "GTEST_FOO" in the open-source version.
-static std::string FlagToEnvVar(const char* flag) {
-  const std::string full_flag =
-      (Message() << GTEST_FLAG_PREFIX_ << flag).GetString();
-
-  Message env_var;
-  for (size_t i = 0; i != full_flag.length(); i++) {
-    env_var << ToUpper(full_flag.c_str()[i]);
-  }
-
-  return env_var.GetString();
-}
-
-// Parses 'str' for a 32-bit signed integer.  If successful, writes
-// the result to *value and returns true; otherwise leaves *value
-// unchanged and returns false.
-bool ParseInt32(const Message& src_text, const char* str, int32_t* value) {
-  // Parses the environment variable as a decimal integer.
-  char* end = nullptr;
-  const long long_value = strtol(str, &end, 10);  // NOLINT
-
-  // Has strtol() consumed all characters in the string?
-  if (*end != '\0') {
-    // No - an invalid character was encountered.
-    Message msg;
-    msg << "WARNING: " << src_text
-        << " is expected to be a 32-bit integer, but actually"
-        << " has value \"" << str << "\".\n";
-    printf("%s", msg.GetString().c_str());
-    fflush(stdout);
-    return false;
-  }
-
-  // Is the parsed value in the range of an int32_t?
-  const auto result = static_cast<int32_t>(long_value);
-  if (long_value == LONG_MAX || long_value == LONG_MIN ||
-      // The parsed value overflows as a long.  (strtol() returns
-      // LONG_MAX or LONG_MIN when the input overflows.)
-      result != long_value
-      // The parsed value overflows as an int32_t.
-      ) {
-    Message msg;
-    msg << "WARNING: " << src_text
-        << " is expected to be a 32-bit integer, but actually"
-        << " has value " << str << ", which overflows.\n";
-    printf("%s", msg.GetString().c_str());
-    fflush(stdout);
-    return false;
-  }
-
-  *value = result;
-  return true;
-}
-
-// Reads and returns the Boolean environment variable corresponding to
-// the given flag; if it's not set, returns default_value.
-//
-// The value is considered true if and only if it's not "0".
-bool BoolFromGTestEnv(const char* flag, bool default_value) {
-#if defined(GTEST_GET_BOOL_FROM_ENV_)
-  return GTEST_GET_BOOL_FROM_ENV_(flag, default_value);
-#else
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const string_value = posix::GetEnv(env_var.c_str());
-  return string_value == nullptr ? default_value
-                                 : strcmp(string_value, "0") != 0;
-#endif  // defined(GTEST_GET_BOOL_FROM_ENV_)
-}
-
-// Reads and returns a 32-bit integer stored in the environment
-// variable corresponding to the given flag; if it isn't set or
-// doesn't represent a valid 32-bit integer, returns default_value.
-int32_t Int32FromGTestEnv(const char* flag, int32_t default_value) {
-#if defined(GTEST_GET_INT32_FROM_ENV_)
-  return GTEST_GET_INT32_FROM_ENV_(flag, default_value);
-#else
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const string_value = posix::GetEnv(env_var.c_str());
-  if (string_value == nullptr) {
-    // The environment variable is not set.
-    return default_value;
-  }
-
-  int32_t result = default_value;
-  if (!ParseInt32(Message() << "Environment variable " << env_var,
-                  string_value, &result)) {
-    printf("The default value %s is used.\n",
-           (Message() << default_value).GetString().c_str());
-    fflush(stdout);
-    return default_value;
-  }
-
-  return result;
-#endif  // defined(GTEST_GET_INT32_FROM_ENV_)
-}
-
-// As a special case for the 'output' flag, if GTEST_OUTPUT is not
-// set, we look for XML_OUTPUT_FILE, which is set by the Bazel build
-// system.  The value of XML_OUTPUT_FILE is a filename without the
-// "xml:" prefix of GTEST_OUTPUT.
-// Note that this is meant to be called at the call site so it does
-// not check that the flag is 'output'
-// In essence this checks an env variable called XML_OUTPUT_FILE
-// and if it is set we prepend "xml:" to its value, if it not set we return ""
-std::string OutputFlagAlsoCheckEnvVar(){
-  std::string default_value_for_output_flag = "";
-  const char* xml_output_file_env = posix::GetEnv("XML_OUTPUT_FILE");
-  if (nullptr != xml_output_file_env) {
-    default_value_for_output_flag = std::string("xml:") + xml_output_file_env;
-  }
-  return default_value_for_output_flag;
-}
-
-// Reads and returns the string environment variable corresponding to
-// the given flag; if it's not set, returns default_value.
-const char* StringFromGTestEnv(const char* flag, const char* default_value) {
-#if defined(GTEST_GET_STRING_FROM_ENV_)
-  return GTEST_GET_STRING_FROM_ENV_(flag, default_value);
-#else
-  const std::string env_var = FlagToEnvVar(flag);
-  const char* const value = posix::GetEnv(env_var.c_str());
-  return value == nullptr ? default_value : value;
-#endif  // defined(GTEST_GET_STRING_FROM_ENV_)
-}
-
-}  // namespace internal
-}  // namespace testing
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Test - The Google C++ Testing and Mocking Framework
-//
-// This file implements a universal value printer that can print a
-// value of any type T:
-//
-//   void ::testing::internal::UniversalPrinter<T>::Print(value, ostream_ptr);
-//
-// It uses the << operator when possible, and prints the bytes in the
-// object otherwise.  A user can override its behavior for a class
-// type Foo by defining either operator<<(::std::ostream&, const Foo&)
-// or void PrintTo(const Foo&, ::std::ostream*) in the namespace that
-// defines Foo.
-
-
-#include <stdio.h>
-
-#include <cctype>
-#include <cstdint>
-#include <cwchar>
-#include <ostream>  // NOLINT
-#include <string>
-#include <type_traits>
-
-
-namespace testing {
-
-namespace {
-
-using ::std::ostream;
-
-// Prints a segment of bytes in the given object.
-GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start,
-                                size_t count, ostream* os) {
-  char text[5] = "";
-  for (size_t i = 0; i != count; i++) {
-    const size_t j = start + i;
-    if (i != 0) {
-      // Organizes the bytes into groups of 2 for easy parsing by
-      // human.
-      if ((j % 2) == 0)
-        *os << ' ';
-      else
-        *os << '-';
-    }
-    GTEST_SNPRINTF_(text, sizeof(text), "%02X", obj_bytes[j]);
-    *os << text;
-  }
-}
-
-// Prints the bytes in the given value to the given ostream.
-void PrintBytesInObjectToImpl(const unsigned char* obj_bytes, size_t count,
-                              ostream* os) {
-  // Tells the user how big the object is.
-  *os << count << "-byte object <";
-
-  const size_t kThreshold = 132;
-  const size_t kChunkSize = 64;
-  // If the object size is bigger than kThreshold, we'll have to omit
-  // some details by printing only the first and the last kChunkSize
-  // bytes.
-  if (count < kThreshold) {
-    PrintByteSegmentInObjectTo(obj_bytes, 0, count, os);
-  } else {
-    PrintByteSegmentInObjectTo(obj_bytes, 0, kChunkSize, os);
-    *os << " ... ";
-    // Rounds up to 2-byte boundary.
-    const size_t resume_pos = (count - kChunkSize + 1)/2*2;
-    PrintByteSegmentInObjectTo(obj_bytes, resume_pos, count - resume_pos, os);
-  }
-  *os << ">";
-}
-
-// Helpers for widening a character to char32_t. Since the standard does not
-// specify if char / wchar_t is signed or unsigned, it is important to first
-// convert it to the unsigned type of the same width before widening it to
-// char32_t.
-template <typename CharType>
-char32_t ToChar32(CharType in) {
-  return static_cast<char32_t>(
-      static_cast<typename std::make_unsigned<CharType>::type>(in));
-}
-
-}  // namespace
-
-namespace internal {
-
-// Delegates to PrintBytesInObjectToImpl() to print the bytes in the
-// given object.  The delegation simplifies the implementation, which
-// uses the << operator and thus is easier done outside of the
-// ::testing::internal namespace, which contains a << operator that
-// sometimes conflicts with the one in STL.
-void PrintBytesInObjectTo(const unsigned char* obj_bytes, size_t count,
-                          ostream* os) {
-  PrintBytesInObjectToImpl(obj_bytes, count, os);
-}
-
-// Depending on the value of a char (or wchar_t), we print it in one
-// of three formats:
-//   - as is if it's a printable ASCII (e.g. 'a', '2', ' '),
-//   - as a hexadecimal escape sequence (e.g. '\x7F'), or
-//   - as a special escape sequence (e.g. '\r', '\n').
-enum CharFormat {
-  kAsIs,
-  kHexEscape,
-  kSpecialEscape
-};
-
-// Returns true if c is a printable ASCII character.  We test the
-// value of c directly instead of calling isprint(), which is buggy on
-// Windows Mobile.
-inline bool IsPrintableAscii(char32_t c) { return 0x20 <= c && c <= 0x7E; }
-
-// Prints c (of type char, char8_t, char16_t, char32_t, or wchar_t) as a
-// character literal without the quotes, escaping it when necessary; returns how
-// c was formatted.
-template <typename Char>
-static CharFormat PrintAsCharLiteralTo(Char c, ostream* os) {
-  const char32_t u_c = ToChar32(c);
-  switch (u_c) {
-    case L'\0':
-      *os << "\\0";
-      break;
-    case L'\'':
-      *os << "\\'";
-      break;
-    case L'\\':
-      *os << "\\\\";
-      break;
-    case L'\a':
-      *os << "\\a";
-      break;
-    case L'\b':
-      *os << "\\b";
-      break;
-    case L'\f':
-      *os << "\\f";
-      break;
-    case L'\n':
-      *os << "\\n";
-      break;
-    case L'\r':
-      *os << "\\r";
-      break;
-    case L'\t':
-      *os << "\\t";
-      break;
-    case L'\v':
-      *os << "\\v";
-      break;
-    default:
-      if (IsPrintableAscii(u_c)) {
-        *os << static_cast<char>(c);
-        return kAsIs;
-      } else {
-        ostream::fmtflags flags = os->flags();
-        *os << "\\x" << std::hex << std::uppercase << static_cast<int>(u_c);
-        os->flags(flags);
-        return kHexEscape;
-      }
-  }
-  return kSpecialEscape;
-}
-
-// Prints a char32_t c as if it's part of a string literal, escaping it when
-// necessary; returns how c was formatted.
-static CharFormat PrintAsStringLiteralTo(char32_t c, ostream* os) {
-  switch (c) {
-    case L'\'':
-      *os << "'";
-      return kAsIs;
-    case L'"':
-      *os << "\\\"";
-      return kSpecialEscape;
-    default:
-      return PrintAsCharLiteralTo(c, os);
-  }
-}
-
-static const char* GetCharWidthPrefix(char) {
-  return "";
-}
-
-static const char* GetCharWidthPrefix(signed char) {
-  return "";
-}
-
-static const char* GetCharWidthPrefix(unsigned char) {
-  return "";
-}
-
-#ifdef __cpp_char8_t
-static const char* GetCharWidthPrefix(char8_t) {
-  return "u8";
-}
-#endif
-
-static const char* GetCharWidthPrefix(char16_t) {
-  return "u";
-}
-
-static const char* GetCharWidthPrefix(char32_t) {
-  return "U";
-}
-
-static const char* GetCharWidthPrefix(wchar_t) {
-  return "L";
-}
-
-// Prints a char c as if it's part of a string literal, escaping it when
-// necessary; returns how c was formatted.
-static CharFormat PrintAsStringLiteralTo(char c, ostream* os) {
-  return PrintAsStringLiteralTo(ToChar32(c), os);
-}
-
-#ifdef __cpp_char8_t
-static CharFormat PrintAsStringLiteralTo(char8_t c, ostream* os) {
-  return PrintAsStringLiteralTo(ToChar32(c), os);
-}
-#endif
-
-static CharFormat PrintAsStringLiteralTo(char16_t c, ostream* os) {
-  return PrintAsStringLiteralTo(ToChar32(c), os);
-}
-
-static CharFormat PrintAsStringLiteralTo(wchar_t c, ostream* os) {
-  return PrintAsStringLiteralTo(ToChar32(c), os);
-}
-
-// Prints a character c (of type char, char8_t, char16_t, char32_t, or wchar_t)
-// and its code. '\0' is printed as "'\\0'", other unprintable characters are
-// also properly escaped using the standard C++ escape sequence.
-template <typename Char>
-void PrintCharAndCodeTo(Char c, ostream* os) {
-  // First, print c as a literal in the most readable form we can find.
-  *os << GetCharWidthPrefix(c) << "'";
-  const CharFormat format = PrintAsCharLiteralTo(c, os);
-  *os << "'";
-
-  // To aid user debugging, we also print c's code in decimal, unless
-  // it's 0 (in which case c was printed as '\\0', making the code
-  // obvious).
-  if (c == 0)
-    return;
-  *os << " (" << static_cast<int>(c);
-
-  // For more convenience, we print c's code again in hexadecimal,
-  // unless c was already printed in the form '\x##' or the code is in
-  // [1, 9].
-  if (format == kHexEscape || (1 <= c && c <= 9)) {
-    // Do nothing.
-  } else {
-    *os << ", 0x" << String::FormatHexInt(static_cast<int>(c));
-  }
-  *os << ")";
-}
-
-void PrintTo(unsigned char c, ::std::ostream* os) { PrintCharAndCodeTo(c, os); }
-void PrintTo(signed char c, ::std::ostream* os) { PrintCharAndCodeTo(c, os); }
-
-// Prints a wchar_t as a symbol if it is printable or as its internal
-// code otherwise and also as its code.  L'\0' is printed as "L'\\0'".
-void PrintTo(wchar_t wc, ostream* os) { PrintCharAndCodeTo(wc, os); }
-
-// TODO(dcheng): Consider making this delegate to PrintCharAndCodeTo() as well.
-void PrintTo(char32_t c, ::std::ostream* os) {
-  *os << std::hex << "U+" << std::uppercase << std::setfill('0') << std::setw(4)
-      << static_cast<uint32_t>(c);
-}
-
-// Prints the given array of characters to the ostream.  CharType must be either
-// char, char8_t, char16_t, char32_t, or wchar_t.
-// The array starts at begin, the length is len, it may include '\0' characters
-// and may not be NUL-terminated.
-template <typename CharType>
-GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-static CharFormat PrintCharsAsStringTo(
-    const CharType* begin, size_t len, ostream* os) {
-  const char* const quote_prefix = GetCharWidthPrefix(*begin);
-  *os << quote_prefix << "\"";
-  bool is_previous_hex = false;
-  CharFormat print_format = kAsIs;
-  for (size_t index = 0; index < len; ++index) {
-    const CharType cur = begin[index];
-    if (is_previous_hex && IsXDigit(cur)) {
-      // Previous character is of '\x..' form and this character can be
-      // interpreted as another hexadecimal digit in its number. Break string to
-      // disambiguate.
-      *os << "\" " << quote_prefix << "\"";
-    }
-    is_previous_hex = PrintAsStringLiteralTo(cur, os) == kHexEscape;
-    // Remember if any characters required hex escaping.
-    if (is_previous_hex) {
-      print_format = kHexEscape;
-    }
-  }
-  *os << "\"";
-  return print_format;
-}
-
-// Prints a (const) char/wchar_t array of 'len' elements, starting at address
-// 'begin'.  CharType must be either char or wchar_t.
-template <typename CharType>
-GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-static void UniversalPrintCharArray(
-    const CharType* begin, size_t len, ostream* os) {
-  // The code
-  //   const char kFoo[] = "foo";
-  // generates an array of 4, not 3, elements, with the last one being '\0'.
-  //
-  // Therefore when printing a char array, we don't print the last element if
-  // it's '\0', such that the output matches the string literal as it's
-  // written in the source code.
-  if (len > 0 && begin[len - 1] == '\0') {
-    PrintCharsAsStringTo(begin, len - 1, os);
-    return;
-  }
-
-  // If, however, the last element in the array is not '\0', e.g.
-  //    const char kFoo[] = { 'f', 'o', 'o' };
-  // we must print the entire array.  We also print a message to indicate
-  // that the array is not NUL-terminated.
-  PrintCharsAsStringTo(begin, len, os);
-  *os << " (no terminating NUL)";
-}
-
-// Prints a (const) char array of 'len' elements, starting at address 'begin'.
-void UniversalPrintArray(const char* begin, size_t len, ostream* os) {
-  UniversalPrintCharArray(begin, len, os);
-}
-
-#ifdef __cpp_char8_t
-// Prints a (const) char8_t array of 'len' elements, starting at address
-// 'begin'.
-void UniversalPrintArray(const char8_t* begin, size_t len, ostream* os) {
-  UniversalPrintCharArray(begin, len, os);
-}
-#endif
-
-// Prints a (const) char16_t array of 'len' elements, starting at address
-// 'begin'.
-void UniversalPrintArray(const char16_t* begin, size_t len, ostream* os) {
-  UniversalPrintCharArray(begin, len, os);
-}
-
-// Prints a (const) char32_t array of 'len' elements, starting at address
-// 'begin'.
-void UniversalPrintArray(const char32_t* begin, size_t len, ostream* os) {
-  UniversalPrintCharArray(begin, len, os);
-}
-
-// Prints a (const) wchar_t array of 'len' elements, starting at address
-// 'begin'.
-void UniversalPrintArray(const wchar_t* begin, size_t len, ostream* os) {
-  UniversalPrintCharArray(begin, len, os);
-}
-
-namespace {
-
-// Prints a null-terminated C-style string to the ostream.
-template <typename Char>
-void PrintCStringTo(const Char* s, ostream* os) {
-  if (s == nullptr) {
-    *os << "NULL";
-  } else {
-    *os << ImplicitCast_<const void*>(s) << " pointing to ";
-    PrintCharsAsStringTo(s, std::char_traits<Char>::length(s), os);
-  }
-}
-
-}  // anonymous namespace
-
-void PrintTo(const char* s, ostream* os) { PrintCStringTo(s, os); }
-
-#ifdef __cpp_char8_t
-void PrintTo(const char8_t* s, ostream* os) { PrintCStringTo(s, os); }
-#endif
-
-void PrintTo(const char16_t* s, ostream* os) { PrintCStringTo(s, os); }
-
-void PrintTo(const char32_t* s, ostream* os) { PrintCStringTo(s, os); }
-
-// MSVC compiler can be configured to define whar_t as a typedef
-// of unsigned short. Defining an overload for const wchar_t* in that case
-// would cause pointers to unsigned shorts be printed as wide strings,
-// possibly accessing more memory than intended and causing invalid
-// memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when
-// wchar_t is implemented as a native type.
-#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
-// Prints the given wide C string to the ostream.
-void PrintTo(const wchar_t* s, ostream* os) { PrintCStringTo(s, os); }
-#endif  // wchar_t is native
-
-namespace {
-
-bool ContainsUnprintableControlCodes(const char* str, size_t length) {
-  const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
-
-  for (size_t i = 0; i < length; i++) {
-    unsigned char ch = *s++;
-    if (std::iscntrl(ch)) {
-        switch (ch) {
-        case '\t':
-        case '\n':
-        case '\r':
-          break;
-        default:
-          return true;
-        }
-      }
-  }
-  return false;
-}
-
-bool IsUTF8TrailByte(unsigned char t) { return 0x80 <= t && t<= 0xbf; }
-
-bool IsValidUTF8(const char* str, size_t length) {
-  const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
-
-  for (size_t i = 0; i < length;) {
-    unsigned char lead = s[i++];
-
-    if (lead <= 0x7f) {
-      continue;  // single-byte character (ASCII) 0..7F
-    }
-    if (lead < 0xc2) {
-      return false;  // trail byte or non-shortest form
-    } else if (lead <= 0xdf && (i + 1) <= length && IsUTF8TrailByte(s[i])) {
-      ++i;  // 2-byte character
-    } else if (0xe0 <= lead && lead <= 0xef && (i + 2) <= length &&
-               IsUTF8TrailByte(s[i]) &&
-               IsUTF8TrailByte(s[i + 1]) &&
-               // check for non-shortest form and surrogate
-               (lead != 0xe0 || s[i] >= 0xa0) &&
-               (lead != 0xed || s[i] < 0xa0)) {
-      i += 2;  // 3-byte character
-    } else if (0xf0 <= lead && lead <= 0xf4 && (i + 3) <= length &&
-               IsUTF8TrailByte(s[i]) &&
-               IsUTF8TrailByte(s[i + 1]) &&
-               IsUTF8TrailByte(s[i + 2]) &&
-               // check for non-shortest form
-               (lead != 0xf0 || s[i] >= 0x90) &&
-               (lead != 0xf4 || s[i] < 0x90)) {
-      i += 3;  // 4-byte character
-    } else {
-      return false;
-    }
-  }
-  return true;
-}
-
-void ConditionalPrintAsText(const char* str, size_t length, ostream* os) {
-  if (!ContainsUnprintableControlCodes(str, length) &&
-      IsValidUTF8(str, length)) {
-    *os << "\n    As Text: \"" << str << "\"";
-  }
-}
-
-}  // anonymous namespace
-
-void PrintStringTo(const ::std::string& s, ostream* os) {
-  if (PrintCharsAsStringTo(s.data(), s.size(), os) == kHexEscape) {
-    if (GTEST_FLAG(print_utf8)) {
-      ConditionalPrintAsText(s.data(), s.size(), os);
-    }
-  }
-}
-
-#ifdef __cpp_char8_t
-void PrintU8StringTo(const ::std::u8string& s, ostream* os) {
-  PrintCharsAsStringTo(s.data(), s.size(), os);
-}
-#endif
-
-void PrintU16StringTo(const ::std::u16string& s, ostream* os) {
-  PrintCharsAsStringTo(s.data(), s.size(), os);
-}
-
-void PrintU32StringTo(const ::std::u32string& s, ostream* os) {
-  PrintCharsAsStringTo(s.data(), s.size(), os);
-}
-
-#if GTEST_HAS_STD_WSTRING
-void PrintWideStringTo(const ::std::wstring& s, ostream* os) {
-  PrintCharsAsStringTo(s.data(), s.size(), os);
-}
-#endif  // GTEST_HAS_STD_WSTRING
-
-}  // namespace internal
-
-}  // namespace testing
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-
-
-
-namespace testing {
-
-using internal::GetUnitTestImpl;
-
-// Gets the summary of the failure message by omitting the stack trace
-// in it.
-std::string TestPartResult::ExtractSummary(const char* message) {
-  const char* const stack_trace = strstr(message, internal::kStackTraceMarker);
-  return stack_trace == nullptr ? message : std::string(message, stack_trace);
-}
-
-// Prints a TestPartResult object.
-std::ostream& operator<<(std::ostream& os, const TestPartResult& result) {
-  return os << internal::FormatFileLocation(result.file_name(),
-                                            result.line_number())
-            << " "
-            << (result.type() == TestPartResult::kSuccess
-                    ? "Success"
-                    : result.type() == TestPartResult::kSkip
-                          ? "Skipped"
-                          : result.type() == TestPartResult::kFatalFailure
-                                ? "Fatal failure"
-                                : "Non-fatal failure")
-            << ":\n"
-            << result.message() << std::endl;
-}
-
-// Appends a TestPartResult to the array.
-void TestPartResultArray::Append(const TestPartResult& result) {
-  array_.push_back(result);
-}
-
-// Returns the TestPartResult at the given index (0-based).
-const TestPartResult& TestPartResultArray::GetTestPartResult(int index) const {
-  if (index < 0 || index >= size()) {
-    printf("\nInvalid index (%d) into TestPartResultArray.\n", index);
-    internal::posix::Abort();
-  }
-
-  return array_[static_cast<size_t>(index)];
-}
-
-// Returns the number of TestPartResult objects in the array.
-int TestPartResultArray::size() const {
-  return static_cast<int>(array_.size());
-}
-
-namespace internal {
-
-HasNewFatalFailureHelper::HasNewFatalFailureHelper()
-    : has_new_fatal_failure_(false),
-      original_reporter_(GetUnitTestImpl()->
-                         GetTestPartResultReporterForCurrentThread()) {
-  GetUnitTestImpl()->SetTestPartResultReporterForCurrentThread(this);
-}
-
-HasNewFatalFailureHelper::~HasNewFatalFailureHelper() {
-  GetUnitTestImpl()->SetTestPartResultReporterForCurrentThread(
-      original_reporter_);
-}
-
-void HasNewFatalFailureHelper::ReportTestPartResult(
-    const TestPartResult& result) {
-  if (result.fatally_failed())
-    has_new_fatal_failure_ = true;
-  original_reporter_->ReportTestPartResult(result);
-}
-
-}  // namespace internal
-
-}  // namespace testing
-// Copyright 2008 Google Inc.
-// All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-
-
-namespace testing {
-namespace internal {
-
-// Skips to the first non-space char in str. Returns an empty string if str
-// contains only whitespace characters.
-static const char* SkipSpaces(const char* str) {
-  while (IsSpace(*str))
-    str++;
-  return str;
-}
-
-static std::vector<std::string> SplitIntoTestNames(const char* src) {
-  std::vector<std::string> name_vec;
-  src = SkipSpaces(src);
-  for (; src != nullptr; src = SkipComma(src)) {
-    name_vec.push_back(StripTrailingSpaces(GetPrefixUntilComma(src)));
-  }
-  return name_vec;
-}
-
-// Verifies that registered_tests match the test names in
-// registered_tests_; returns registered_tests if successful, or
-// aborts the program otherwise.
-const char* TypedTestSuitePState::VerifyRegisteredTestNames(
-    const char* test_suite_name, const char* file, int line,
-    const char* registered_tests) {
-  RegisterTypeParameterizedTestSuite(test_suite_name, CodeLocation(file, line));
-
-  typedef RegisteredTestsMap::const_iterator RegisteredTestIter;
-  registered_ = true;
-
-  std::vector<std::string> name_vec = SplitIntoTestNames(registered_tests);
-
-  Message errors;
-
-  std::set<std::string> tests;
-  for (std::vector<std::string>::const_iterator name_it = name_vec.begin();
-       name_it != name_vec.end(); ++name_it) {
-    const std::string& name = *name_it;
-    if (tests.count(name) != 0) {
-      errors << "Test " << name << " is listed more than once.\n";
-      continue;
-    }
-
-    if (registered_tests_.count(name) != 0) {
-      tests.insert(name);
-    } else {
-      errors << "No test named " << name
-             << " can be found in this test suite.\n";
-    }
-  }
-
-  for (RegisteredTestIter it = registered_tests_.begin();
-       it != registered_tests_.end();
-       ++it) {
-    if (tests.count(it->first) == 0) {
-      errors << "You forgot to list test " << it->first << ".\n";
-    }
-  }
-
-  const std::string& errors_str = errors.GetString();
-  if (errors_str != "") {
-    fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
-            errors_str.c_str());
-    fflush(stderr);
-    posix::Abort();
-  }
-
-  return registered_tests;
-}
-
-}  // namespace internal
-}  // namespace testing
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Google C++ Mocking Framework (Google Mock)
-//
-// This file #includes all Google Mock implementation .cc files.  The
-// purpose is to allow a user to build Google Mock by compiling this
-// file alone.
-
-// This line ensures that gmock.h can be compiled on its own, even
-// when it's fused.
-#include "gmock/gmock.h"
-
-// The following lines pull in the real gmock *.cc files.
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements cardinalities.
-
-
-#include <limits.h>
-#include <ostream>  // NOLINT
-#include <sstream>
-#include <string>
-
-namespace testing {
-
-namespace {
-
-// Implements the Between(m, n) cardinality.
-class BetweenCardinalityImpl : public CardinalityInterface {
- public:
-  BetweenCardinalityImpl(int min, int max)
-      : min_(min >= 0 ? min : 0),
-        max_(max >= min_ ? max : min_) {
-    std::stringstream ss;
-    if (min < 0) {
-      ss << "The invocation lower bound must be >= 0, "
-         << "but is actually " << min << ".";
-      internal::Expect(false, __FILE__, __LINE__, ss.str());
-    } else if (max < 0) {
-      ss << "The invocation upper bound must be >= 0, "
-         << "but is actually " << max << ".";
-      internal::Expect(false, __FILE__, __LINE__, ss.str());
-    } else if (min > max) {
-      ss << "The invocation upper bound (" << max
-         << ") must be >= the invocation lower bound (" << min
-         << ").";
-      internal::Expect(false, __FILE__, __LINE__, ss.str());
-    }
-  }
-
-  // Conservative estimate on the lower/upper bound of the number of
-  // calls allowed.
-  int ConservativeLowerBound() const override { return min_; }
-  int ConservativeUpperBound() const override { return max_; }
-
-  bool IsSatisfiedByCallCount(int call_count) const override {
-    return min_ <= call_count && call_count <= max_;
-  }
-
-  bool IsSaturatedByCallCount(int call_count) const override {
-    return call_count >= max_;
-  }
-
-  void DescribeTo(::std::ostream* os) const override;
-
- private:
-  const int min_;
-  const int max_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(BetweenCardinalityImpl);
-};
-
-// Formats "n times" in a human-friendly way.
-inline std::string FormatTimes(int n) {
-  if (n == 1) {
-    return "once";
-  } else if (n == 2) {
-    return "twice";
-  } else {
-    std::stringstream ss;
-    ss << n << " times";
-    return ss.str();
-  }
-}
-
-// Describes the Between(m, n) cardinality in human-friendly text.
-void BetweenCardinalityImpl::DescribeTo(::std::ostream* os) const {
-  if (min_ == 0) {
-    if (max_ == 0) {
-      *os << "never called";
-    } else if (max_ == INT_MAX) {
-      *os << "called any number of times";
-    } else {
-      *os << "called at most " << FormatTimes(max_);
-    }
-  } else if (min_ == max_) {
-    *os << "called " << FormatTimes(min_);
-  } else if (max_ == INT_MAX) {
-    *os << "called at least " << FormatTimes(min_);
-  } else {
-    // 0 < min_ < max_ < INT_MAX
-    *os << "called between " << min_ << " and " << max_ << " times";
-  }
-}
-
-}  // Unnamed namespace
-
-// Describes the given call count to an ostream.
-void Cardinality::DescribeActualCallCountTo(int actual_call_count,
-                                            ::std::ostream* os) {
-  if (actual_call_count > 0) {
-    *os << "called " << FormatTimes(actual_call_count);
-  } else {
-    *os << "never called";
-  }
-}
-
-// Creates a cardinality that allows at least n calls.
-GTEST_API_ Cardinality AtLeast(int n) { return Between(n, INT_MAX); }
-
-// Creates a cardinality that allows at most n calls.
-GTEST_API_ Cardinality AtMost(int n) { return Between(0, n); }
-
-// Creates a cardinality that allows any number of calls.
-GTEST_API_ Cardinality AnyNumber() { return AtLeast(0); }
-
-// Creates a cardinality that allows between min and max calls.
-GTEST_API_ Cardinality Between(int min, int max) {
-  return Cardinality(new BetweenCardinalityImpl(min, max));
-}
-
-// Creates a cardinality that allows exactly n calls.
-GTEST_API_ Cardinality Exactly(int n) { return Between(n, n); }
-
-}  // namespace testing
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file defines some utilities useful for implementing Google
-// Mock.  They are subject to change without notice, so please DO NOT
-// USE THEM IN USER CODE.
-
-
-#include <ctype.h>
-#include <ostream>  // NOLINT
-#include <string>
-
-namespace testing {
-namespace internal {
-
-// Joins a vector of strings as if they are fields of a tuple; returns
-// the joined string.
-GTEST_API_ std::string JoinAsTuple(const Strings& fields) {
-  switch (fields.size()) {
-    case 0:
-      return "";
-    case 1:
-      return fields[0];
-    default:
-      std::string result = "(" + fields[0];
-      for (size_t i = 1; i < fields.size(); i++) {
-        result += ", ";
-        result += fields[i];
-      }
-      result += ")";
-      return result;
-  }
-}
-
-// Converts an identifier name to a space-separated list of lower-case
-// words.  Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
-// treated as one word.  For example, both "FooBar123" and
-// "foo_bar_123" are converted to "foo bar 123".
-GTEST_API_ std::string ConvertIdentifierNameToWords(const char* id_name) {
-  std::string result;
-  char prev_char = '\0';
-  for (const char* p = id_name; *p != '\0'; prev_char = *(p++)) {
-    // We don't care about the current locale as the input is
-    // guaranteed to be a valid C++ identifier name.
-    const bool starts_new_word = IsUpper(*p) ||
-        (!IsAlpha(prev_char) && IsLower(*p)) ||
-        (!IsDigit(prev_char) && IsDigit(*p));
-
-    if (IsAlNum(*p)) {
-      if (starts_new_word && result != "")
-        result += ' ';
-      result += ToLower(*p);
-    }
-  }
-  return result;
-}
-
-// This class reports Google Mock failures as Google Test failures.  A
-// user can define another class in a similar fashion if they intend to
-// use Google Mock with a testing framework other than Google Test.
-class GoogleTestFailureReporter : public FailureReporterInterface {
- public:
-  void ReportFailure(FailureType type, const char* file, int line,
-                     const std::string& message) override {
-    AssertHelper(type == kFatal ?
-                 TestPartResult::kFatalFailure :
-                 TestPartResult::kNonFatalFailure,
-                 file,
-                 line,
-                 message.c_str()) = Message();
-    if (type == kFatal) {
-      posix::Abort();
-    }
-  }
-};
-
-// Returns the global failure reporter.  Will create a
-// GoogleTestFailureReporter and return it the first time called.
-GTEST_API_ FailureReporterInterface* GetFailureReporter() {
-  // Points to the global failure reporter used by Google Mock.  gcc
-  // guarantees that the following use of failure_reporter is
-  // thread-safe.  We may need to add additional synchronization to
-  // protect failure_reporter if we port Google Mock to other
-  // compilers.
-  static FailureReporterInterface* const failure_reporter =
-      new GoogleTestFailureReporter();
-  return failure_reporter;
-}
-
-// Protects global resources (stdout in particular) used by Log().
-static GTEST_DEFINE_STATIC_MUTEX_(g_log_mutex);
-
-// Returns true if and only if a log with the given severity is visible
-// according to the --gmock_verbose flag.
-GTEST_API_ bool LogIsVisible(LogSeverity severity) {
-  if (GMOCK_FLAG(verbose) == kInfoVerbosity) {
-    // Always show the log if --gmock_verbose=info.
-    return true;
-  } else if (GMOCK_FLAG(verbose) == kErrorVerbosity) {
-    // Always hide it if --gmock_verbose=error.
-    return false;
-  } else {
-    // If --gmock_verbose is neither "info" nor "error", we treat it
-    // as "warning" (its default value).
-    return severity == kWarning;
-  }
-}
-
-// Prints the given message to stdout if and only if 'severity' >= the level
-// specified by the --gmock_verbose flag.  If stack_frames_to_skip >=
-// 0, also prints the stack trace excluding the top
-// stack_frames_to_skip frames.  In opt mode, any positive
-// stack_frames_to_skip is treated as 0, since we don't know which
-// function calls will be inlined by the compiler and need to be
-// conservative.
-GTEST_API_ void Log(LogSeverity severity, const std::string& message,
-                    int stack_frames_to_skip) {
-  if (!LogIsVisible(severity))
-    return;
-
-  // Ensures that logs from different threads don't interleave.
-  MutexLock l(&g_log_mutex);
-
-  if (severity == kWarning) {
-    // Prints a GMOCK WARNING marker to make the warnings easily searchable.
-    std::cout << "\nGMOCK WARNING:";
-  }
-  // Pre-pends a new-line to message if it doesn't start with one.
-  if (message.empty() || message[0] != '\n') {
-    std::cout << "\n";
-  }
-  std::cout << message;
-  if (stack_frames_to_skip >= 0) {
-#ifdef NDEBUG
-    // In opt mode, we have to be conservative and skip no stack frame.
-    const int actual_to_skip = 0;
-#else
-    // In dbg mode, we can do what the caller tell us to do (plus one
-    // for skipping this function's stack frame).
-    const int actual_to_skip = stack_frames_to_skip + 1;
-#endif  // NDEBUG
-
-    // Appends a new-line to message if it doesn't end with one.
-    if (!message.empty() && *message.rbegin() != '\n') {
-      std::cout << "\n";
-    }
-    std::cout << "Stack trace:\n"
-         << ::testing::internal::GetCurrentOsStackTraceExceptTop(
-             ::testing::UnitTest::GetInstance(), actual_to_skip);
-  }
-  std::cout << ::std::flush;
-}
-
-GTEST_API_ WithoutMatchers GetWithoutMatchers() { return WithoutMatchers(); }
-
-GTEST_API_ void IllegalDoDefault(const char* file, int line) {
-  internal::Assert(
-      false, file, line,
-      "You are using DoDefault() inside a composite action like "
-      "DoAll() or WithArgs().  This is not supported for technical "
-      "reasons.  Please instead spell out the default action, or "
-      "assign the default action to an Action variable and use "
-      "the variable in various places.");
-}
-
-}  // namespace internal
-}  // namespace testing
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements Matcher<const string&>, Matcher<string>, and
-// utilities for defining matchers.
-
-
-#include <string.h>
-#include <iostream>
-#include <sstream>
-#include <string>
-
-namespace testing {
-namespace internal {
-
-// Returns the description for a matcher defined using the MATCHER*()
-// macro where the user-supplied description string is "", if
-// 'negation' is false; otherwise returns the description of the
-// negation of the matcher.  'param_values' contains a list of strings
-// that are the print-out of the matcher's parameters.
-GTEST_API_ std::string FormatMatcherDescription(bool negation,
-                                                const char* matcher_name,
-                                                const Strings& param_values) {
-  std::string result = ConvertIdentifierNameToWords(matcher_name);
-  if (param_values.size() >= 1) result += " " + JoinAsTuple(param_values);
-  return negation ? "not (" + result + ")" : result;
-}
-
-// FindMaxBipartiteMatching and its helper class.
-//
-// Uses the well-known Ford-Fulkerson max flow method to find a maximum
-// bipartite matching. Flow is considered to be from left to right.
-// There is an implicit source node that is connected to all of the left
-// nodes, and an implicit sink node that is connected to all of the
-// right nodes. All edges have unit capacity.
-//
-// Neither the flow graph nor the residual flow graph are represented
-// explicitly. Instead, they are implied by the information in 'graph' and
-// a vector<int> called 'left_' whose elements are initialized to the
-// value kUnused. This represents the initial state of the algorithm,
-// where the flow graph is empty, and the residual flow graph has the
-// following edges:
-//   - An edge from source to each left_ node
-//   - An edge from each right_ node to sink
-//   - An edge from each left_ node to each right_ node, if the
-//     corresponding edge exists in 'graph'.
-//
-// When the TryAugment() method adds a flow, it sets left_[l] = r for some
-// nodes l and r. This induces the following changes:
-//   - The edges (source, l), (l, r), and (r, sink) are added to the
-//     flow graph.
-//   - The same three edges are removed from the residual flow graph.
-//   - The reverse edges (l, source), (r, l), and (sink, r) are added
-//     to the residual flow graph, which is a directional graph
-//     representing unused flow capacity.
-//
-// When the method augments a flow (moving left_[l] from some r1 to some
-// other r2), this can be thought of as "undoing" the above steps with
-// respect to r1 and "redoing" them with respect to r2.
-//
-// It bears repeating that the flow graph and residual flow graph are
-// never represented explicitly, but can be derived by looking at the
-// information in 'graph' and in left_.
-//
-// As an optimization, there is a second vector<int> called right_ which
-// does not provide any new information. Instead, it enables more
-// efficient queries about edges entering or leaving the right-side nodes
-// of the flow or residual flow graphs. The following invariants are
-// maintained:
-//
-// left[l] == kUnused or right[left[l]] == l
-// right[r] == kUnused or left[right[r]] == r
-//
-// . [ source ]                                        .
-// .   |||                                             .
-// .   |||                                             .
-// .   ||\--> left[0]=1  ---\    right[0]=-1 ----\     .
-// .   ||                   |                    |     .
-// .   |\---> left[1]=-1    \--> right[1]=0  ---\|     .
-// .   |                                        ||     .
-// .   \----> left[2]=2  ------> right[2]=2  --\||     .
-// .                                           |||     .
-// .         elements           matchers       vvv     .
-// .                                         [ sink ]  .
-//
-// See Also:
-//   [1] Cormen, et al (2001). "Section 26.2: The Ford-Fulkerson method".
-//       "Introduction to Algorithms (Second ed.)", pp. 651-664.
-//   [2] "Ford-Fulkerson algorithm", Wikipedia,
-//       'http://en.wikipedia.org/wiki/Ford%E2%80%93Fulkerson_algorithm'
-class MaxBipartiteMatchState {
- public:
-  explicit MaxBipartiteMatchState(const MatchMatrix& graph)
-      : graph_(&graph),
-        left_(graph_->LhsSize(), kUnused),
-        right_(graph_->RhsSize(), kUnused) {}
-
-  // Returns the edges of a maximal match, each in the form {left, right}.
-  ElementMatcherPairs Compute() {
-    // 'seen' is used for path finding { 0: unseen, 1: seen }.
-    ::std::vector<char> seen;
-    // Searches the residual flow graph for a path from each left node to
-    // the sink in the residual flow graph, and if one is found, add flow
-    // to the graph. It's okay to search through the left nodes once. The
-    // edge from the implicit source node to each previously-visited left
-    // node will have flow if that left node has any path to the sink
-    // whatsoever. Subsequent augmentations can only add flow to the
-    // network, and cannot take away that previous flow unit from the source.
-    // Since the source-to-left edge can only carry one flow unit (or,
-    // each element can be matched to only one matcher), there is no need
-    // to visit the left nodes more than once looking for augmented paths.
-    // The flow is known to be possible or impossible by looking at the
-    // node once.
-    for (size_t ilhs = 0; ilhs < graph_->LhsSize(); ++ilhs) {
-      // Reset the path-marking vector and try to find a path from
-      // source to sink starting at the left_[ilhs] node.
-      GTEST_CHECK_(left_[ilhs] == kUnused)
-          << "ilhs: " << ilhs << ", left_[ilhs]: " << left_[ilhs];
-      // 'seen' initialized to 'graph_->RhsSize()' copies of 0.
-      seen.assign(graph_->RhsSize(), 0);
-      TryAugment(ilhs, &seen);
-    }
-    ElementMatcherPairs result;
-    for (size_t ilhs = 0; ilhs < left_.size(); ++ilhs) {
-      size_t irhs = left_[ilhs];
-      if (irhs == kUnused) continue;
-      result.push_back(ElementMatcherPair(ilhs, irhs));
-    }
-    return result;
-  }
-
- private:
-  static const size_t kUnused = static_cast<size_t>(-1);
-
-  // Perform a depth-first search from left node ilhs to the sink.  If a
-  // path is found, flow is added to the network by linking the left and
-  // right vector elements corresponding each segment of the path.
-  // Returns true if a path to sink was found, which means that a unit of
-  // flow was added to the network. The 'seen' vector elements correspond
-  // to right nodes and are marked to eliminate cycles from the search.
-  //
-  // Left nodes will only be explored at most once because they
-  // are accessible from at most one right node in the residual flow
-  // graph.
-  //
-  // Note that left_[ilhs] is the only element of left_ that TryAugment will
-  // potentially transition from kUnused to another value. Any other
-  // left_ element holding kUnused before TryAugment will be holding it
-  // when TryAugment returns.
-  //
-  bool TryAugment(size_t ilhs, ::std::vector<char>* seen) {
-    for (size_t irhs = 0; irhs < graph_->RhsSize(); ++irhs) {
-      if ((*seen)[irhs]) continue;
-      if (!graph_->HasEdge(ilhs, irhs)) continue;
-      // There's an available edge from ilhs to irhs.
-      (*seen)[irhs] = 1;
-      // Next a search is performed to determine whether
-      // this edge is a dead end or leads to the sink.
-      //
-      // right_[irhs] == kUnused means that there is residual flow from
-      // right node irhs to the sink, so we can use that to finish this
-      // flow path and return success.
-      //
-      // Otherwise there is residual flow to some ilhs. We push flow
-      // along that path and call ourselves recursively to see if this
-      // ultimately leads to sink.
-      if (right_[irhs] == kUnused || TryAugment(right_[irhs], seen)) {
-        // Add flow from left_[ilhs] to right_[irhs].
-        left_[ilhs] = irhs;
-        right_[irhs] = ilhs;
-        return true;
-      }
-    }
-    return false;
-  }
-
-  const MatchMatrix* graph_;  // not owned
-  // Each element of the left_ vector represents a left hand side node
-  // (i.e. an element) and each element of right_ is a right hand side
-  // node (i.e. a matcher). The values in the left_ vector indicate
-  // outflow from that node to a node on the right_ side. The values
-  // in the right_ indicate inflow, and specify which left_ node is
-  // feeding that right_ node, if any. For example, left_[3] == 1 means
-  // there's a flow from element #3 to matcher #1. Such a flow would also
-  // be redundantly represented in the right_ vector as right_[1] == 3.
-  // Elements of left_ and right_ are either kUnused or mutually
-  // referent. Mutually referent means that left_[right_[i]] = i and
-  // right_[left_[i]] = i.
-  ::std::vector<size_t> left_;
-  ::std::vector<size_t> right_;
-};
-
-const size_t MaxBipartiteMatchState::kUnused;
-
-GTEST_API_ ElementMatcherPairs FindMaxBipartiteMatching(const MatchMatrix& g) {
-  return MaxBipartiteMatchState(g).Compute();
-}
-
-static void LogElementMatcherPairVec(const ElementMatcherPairs& pairs,
-                                     ::std::ostream* stream) {
-  typedef ElementMatcherPairs::const_iterator Iter;
-  ::std::ostream& os = *stream;
-  os << "{";
-  const char* sep = "";
-  for (Iter it = pairs.begin(); it != pairs.end(); ++it) {
-    os << sep << "\n  ("
-       << "element #" << it->first << ", "
-       << "matcher #" << it->second << ")";
-    sep = ",";
-  }
-  os << "\n}";
-}
-
-bool MatchMatrix::NextGraph() {
-  for (size_t ilhs = 0; ilhs < LhsSize(); ++ilhs) {
-    for (size_t irhs = 0; irhs < RhsSize(); ++irhs) {
-      char& b = matched_[SpaceIndex(ilhs, irhs)];
-      if (!b) {
-        b = 1;
-        return true;
-      }
-      b = 0;
-    }
-  }
-  return false;
-}
-
-void MatchMatrix::Randomize() {
-  for (size_t ilhs = 0; ilhs < LhsSize(); ++ilhs) {
-    for (size_t irhs = 0; irhs < RhsSize(); ++irhs) {
-      char& b = matched_[SpaceIndex(ilhs, irhs)];
-      b = static_cast<char>(rand() & 1);  // NOLINT
-    }
-  }
-}
-
-std::string MatchMatrix::DebugString() const {
-  ::std::stringstream ss;
-  const char* sep = "";
-  for (size_t i = 0; i < LhsSize(); ++i) {
-    ss << sep;
-    for (size_t j = 0; j < RhsSize(); ++j) {
-      ss << HasEdge(i, j);
-    }
-    sep = ";";
-  }
-  return ss.str();
-}
-
-void UnorderedElementsAreMatcherImplBase::DescribeToImpl(
-    ::std::ostream* os) const {
-  switch (match_flags()) {
-    case UnorderedMatcherRequire::ExactMatch:
-      if (matcher_describers_.empty()) {
-        *os << "is empty";
-        return;
-      }
-      if (matcher_describers_.size() == 1) {
-        *os << "has " << Elements(1) << " and that element ";
-        matcher_describers_[0]->DescribeTo(os);
-        return;
-      }
-      *os << "has " << Elements(matcher_describers_.size())
-          << " and there exists some permutation of elements such that:\n";
-      break;
-    case UnorderedMatcherRequire::Superset:
-      *os << "a surjection from elements to requirements exists such that:\n";
-      break;
-    case UnorderedMatcherRequire::Subset:
-      *os << "an injection from elements to requirements exists such that:\n";
-      break;
-  }
-
-  const char* sep = "";
-  for (size_t i = 0; i != matcher_describers_.size(); ++i) {
-    *os << sep;
-    if (match_flags() == UnorderedMatcherRequire::ExactMatch) {
-      *os << " - element #" << i << " ";
-    } else {
-      *os << " - an element ";
-    }
-    matcher_describers_[i]->DescribeTo(os);
-    if (match_flags() == UnorderedMatcherRequire::ExactMatch) {
-      sep = ", and\n";
-    } else {
-      sep = "\n";
-    }
-  }
-}
-
-void UnorderedElementsAreMatcherImplBase::DescribeNegationToImpl(
-    ::std::ostream* os) const {
-  switch (match_flags()) {
-    case UnorderedMatcherRequire::ExactMatch:
-      if (matcher_describers_.empty()) {
-        *os << "isn't empty";
-        return;
-      }
-      if (matcher_describers_.size() == 1) {
-        *os << "doesn't have " << Elements(1) << ", or has " << Elements(1)
-            << " that ";
-        matcher_describers_[0]->DescribeNegationTo(os);
-        return;
-      }
-      *os << "doesn't have " << Elements(matcher_describers_.size())
-          << ", or there exists no permutation of elements such that:\n";
-      break;
-    case UnorderedMatcherRequire::Superset:
-      *os << "no surjection from elements to requirements exists such that:\n";
-      break;
-    case UnorderedMatcherRequire::Subset:
-      *os << "no injection from elements to requirements exists such that:\n";
-      break;
-  }
-  const char* sep = "";
-  for (size_t i = 0; i != matcher_describers_.size(); ++i) {
-    *os << sep;
-    if (match_flags() == UnorderedMatcherRequire::ExactMatch) {
-      *os << " - element #" << i << " ";
-    } else {
-      *os << " - an element ";
-    }
-    matcher_describers_[i]->DescribeTo(os);
-    if (match_flags() == UnorderedMatcherRequire::ExactMatch) {
-      sep = ", and\n";
-    } else {
-      sep = "\n";
-    }
-  }
-}
-
-// Checks that all matchers match at least one element, and that all
-// elements match at least one matcher. This enables faster matching
-// and better error reporting.
-// Returns false, writing an explanation to 'listener', if and only
-// if the success criteria are not met.
-bool UnorderedElementsAreMatcherImplBase::VerifyMatchMatrix(
-    const ::std::vector<std::string>& element_printouts,
-    const MatchMatrix& matrix, MatchResultListener* listener) const {
-  bool result = true;
-  ::std::vector<char> element_matched(matrix.LhsSize(), 0);
-  ::std::vector<char> matcher_matched(matrix.RhsSize(), 0);
-
-  for (size_t ilhs = 0; ilhs < matrix.LhsSize(); ilhs++) {
-    for (size_t irhs = 0; irhs < matrix.RhsSize(); irhs++) {
-      char matched = matrix.HasEdge(ilhs, irhs);
-      element_matched[ilhs] |= matched;
-      matcher_matched[irhs] |= matched;
-    }
-  }
-
-  if (match_flags() & UnorderedMatcherRequire::Superset) {
-    const char* sep =
-        "where the following matchers don't match any elements:\n";
-    for (size_t mi = 0; mi < matcher_matched.size(); ++mi) {
-      if (matcher_matched[mi]) continue;
-      result = false;
-      if (listener->IsInterested()) {
-        *listener << sep << "matcher #" << mi << ": ";
-        matcher_describers_[mi]->DescribeTo(listener->stream());
-        sep = ",\n";
-      }
-    }
-  }
-
-  if (match_flags() & UnorderedMatcherRequire::Subset) {
-    const char* sep =
-        "where the following elements don't match any matchers:\n";
-    const char* outer_sep = "";
-    if (!result) {
-      outer_sep = "\nand ";
-    }
-    for (size_t ei = 0; ei < element_matched.size(); ++ei) {
-      if (element_matched[ei]) continue;
-      result = false;
-      if (listener->IsInterested()) {
-        *listener << outer_sep << sep << "element #" << ei << ": "
-                  << element_printouts[ei];
-        sep = ",\n";
-        outer_sep = "";
-      }
-    }
-  }
-  return result;
-}
-
-bool UnorderedElementsAreMatcherImplBase::FindPairing(
-    const MatchMatrix& matrix, MatchResultListener* listener) const {
-  ElementMatcherPairs matches = FindMaxBipartiteMatching(matrix);
-
-  size_t max_flow = matches.size();
-  if ((match_flags() & UnorderedMatcherRequire::Superset) &&
-      max_flow < matrix.RhsSize()) {
-    if (listener->IsInterested()) {
-      *listener << "where no permutation of the elements can satisfy all "
-                   "matchers, and the closest match is "
-                << max_flow << " of " << matrix.RhsSize()
-                << " matchers with the pairings:\n";
-      LogElementMatcherPairVec(matches, listener->stream());
-    }
-    return false;
-  }
-  if ((match_flags() & UnorderedMatcherRequire::Subset) &&
-      max_flow < matrix.LhsSize()) {
-    if (listener->IsInterested()) {
-      *listener
-          << "where not all elements can be matched, and the closest match is "
-          << max_flow << " of " << matrix.RhsSize()
-          << " matchers with the pairings:\n";
-      LogElementMatcherPairVec(matches, listener->stream());
-    }
-    return false;
-  }
-
-  if (matches.size() > 1) {
-    if (listener->IsInterested()) {
-      const char* sep = "where:\n";
-      for (size_t mi = 0; mi < matches.size(); ++mi) {
-        *listener << sep << " - element #" << matches[mi].first
-                  << " is matched by matcher #" << matches[mi].second;
-        sep = ",\n";
-      }
-    }
-  }
-  return true;
-}
-
-}  // namespace internal
-}  // namespace testing
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements the spec builder syntax (ON_CALL and
-// EXPECT_CALL).
-
-
-#include <stdlib.h>
-
-#include <iostream>  // NOLINT
-#include <map>
-#include <memory>
-#include <set>
-#include <string>
-#include <vector>
-
-
-#if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
-# include <unistd.h>  // NOLINT
-#endif
-
-// Silence C4800 (C4800: 'int *const ': forcing value
-// to bool 'true' or 'false') for MSVC 15
-#ifdef _MSC_VER
-#if _MSC_VER == 1900
-#  pragma warning(push)
-#  pragma warning(disable:4800)
-#endif
-#endif
-
-namespace testing {
-namespace internal {
-
-// Protects the mock object registry (in class Mock), all function
-// mockers, and all expectations.
-GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
-
-// Logs a message including file and line number information.
-GTEST_API_ void LogWithLocation(testing::internal::LogSeverity severity,
-                                const char* file, int line,
-                                const std::string& message) {
-  ::std::ostringstream s;
-  s << internal::FormatFileLocation(file, line) << " " << message
-    << ::std::endl;
-  Log(severity, s.str(), 0);
-}
-
-// Constructs an ExpectationBase object.
-ExpectationBase::ExpectationBase(const char* a_file, int a_line,
-                                 const std::string& a_source_text)
-    : file_(a_file),
-      line_(a_line),
-      source_text_(a_source_text),
-      cardinality_specified_(false),
-      cardinality_(Exactly(1)),
-      call_count_(0),
-      retired_(false),
-      extra_matcher_specified_(false),
-      repeated_action_specified_(false),
-      retires_on_saturation_(false),
-      last_clause_(kNone),
-      action_count_checked_(false) {}
-
-// Destructs an ExpectationBase object.
-ExpectationBase::~ExpectationBase() {}
-
-// Explicitly specifies the cardinality of this expectation.  Used by
-// the subclasses to implement the .Times() clause.
-void ExpectationBase::SpecifyCardinality(const Cardinality& a_cardinality) {
-  cardinality_specified_ = true;
-  cardinality_ = a_cardinality;
-}
-
-// Retires all pre-requisites of this expectation.
-void ExpectationBase::RetireAllPreRequisites()
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-  if (is_retired()) {
-    // We can take this short-cut as we never retire an expectation
-    // until we have retired all its pre-requisites.
-    return;
-  }
-
-  ::std::vector<ExpectationBase*> expectations(1, this);
-  while (!expectations.empty()) {
-    ExpectationBase* exp = expectations.back();
-    expectations.pop_back();
-
-    for (ExpectationSet::const_iterator it =
-             exp->immediate_prerequisites_.begin();
-         it != exp->immediate_prerequisites_.end(); ++it) {
-      ExpectationBase* next = it->expectation_base().get();
-      if (!next->is_retired()) {
-        next->Retire();
-        expectations.push_back(next);
-      }
-    }
-  }
-}
-
-// Returns true if and only if all pre-requisites of this expectation
-// have been satisfied.
-bool ExpectationBase::AllPrerequisitesAreSatisfied() const
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-  g_gmock_mutex.AssertHeld();
-  ::std::vector<const ExpectationBase*> expectations(1, this);
-  while (!expectations.empty()) {
-    const ExpectationBase* exp = expectations.back();
-    expectations.pop_back();
-
-    for (ExpectationSet::const_iterator it =
-             exp->immediate_prerequisites_.begin();
-         it != exp->immediate_prerequisites_.end(); ++it) {
-      const ExpectationBase* next = it->expectation_base().get();
-      if (!next->IsSatisfied()) return false;
-      expectations.push_back(next);
-    }
-  }
-  return true;
-}
-
-// Adds unsatisfied pre-requisites of this expectation to 'result'.
-void ExpectationBase::FindUnsatisfiedPrerequisites(ExpectationSet* result) const
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-  g_gmock_mutex.AssertHeld();
-  ::std::vector<const ExpectationBase*> expectations(1, this);
-  while (!expectations.empty()) {
-    const ExpectationBase* exp = expectations.back();
-    expectations.pop_back();
-
-    for (ExpectationSet::const_iterator it =
-             exp->immediate_prerequisites_.begin();
-         it != exp->immediate_prerequisites_.end(); ++it) {
-      const ExpectationBase* next = it->expectation_base().get();
-
-      if (next->IsSatisfied()) {
-        // If *it is satisfied and has a call count of 0, some of its
-        // pre-requisites may not be satisfied yet.
-        if (next->call_count_ == 0) {
-          expectations.push_back(next);
-        }
-      } else {
-        // Now that we know next is unsatisfied, we are not so interested
-        // in whether its pre-requisites are satisfied.  Therefore we
-        // don't iterate into it here.
-        *result += *it;
-      }
-    }
-  }
-}
-
-// Describes how many times a function call matching this
-// expectation has occurred.
-void ExpectationBase::DescribeCallCountTo(::std::ostream* os) const
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-  g_gmock_mutex.AssertHeld();
-
-  // Describes how many times the function is expected to be called.
-  *os << "         Expected: to be ";
-  cardinality().DescribeTo(os);
-  *os << "\n           Actual: ";
-  Cardinality::DescribeActualCallCountTo(call_count(), os);
-
-  // Describes the state of the expectation (e.g. is it satisfied?
-  // is it active?).
-  *os << " - " << (IsOverSaturated() ? "over-saturated" :
-                   IsSaturated() ? "saturated" :
-                   IsSatisfied() ? "satisfied" : "unsatisfied")
-      << " and "
-      << (is_retired() ? "retired" : "active");
-}
-
-// Checks the action count (i.e. the number of WillOnce() and
-// WillRepeatedly() clauses) against the cardinality if this hasn't
-// been done before.  Prints a warning if there are too many or too
-// few actions.
-void ExpectationBase::CheckActionCountIfNotDone() const
-    GTEST_LOCK_EXCLUDED_(mutex_) {
-  bool should_check = false;
-  {
-    MutexLock l(&mutex_);
-    if (!action_count_checked_) {
-      action_count_checked_ = true;
-      should_check = true;
-    }
-  }
-
-  if (should_check) {
-    if (!cardinality_specified_) {
-      // The cardinality was inferred - no need to check the action
-      // count against it.
-      return;
-    }
-
-    // The cardinality was explicitly specified.
-    const int action_count = static_cast<int>(untyped_actions_.size());
-    const int upper_bound = cardinality().ConservativeUpperBound();
-    const int lower_bound = cardinality().ConservativeLowerBound();
-    bool too_many;  // True if there are too many actions, or false
-    // if there are too few.
-    if (action_count > upper_bound ||
-        (action_count == upper_bound && repeated_action_specified_)) {
-      too_many = true;
-    } else if (0 < action_count && action_count < lower_bound &&
-               !repeated_action_specified_) {
-      too_many = false;
-    } else {
-      return;
-    }
-
-    ::std::stringstream ss;
-    DescribeLocationTo(&ss);
-    ss << "Too " << (too_many ? "many" : "few")
-       << " actions specified in " << source_text() << "...\n"
-       << "Expected to be ";
-    cardinality().DescribeTo(&ss);
-    ss << ", but has " << (too_many ? "" : "only ")
-       << action_count << " WillOnce()"
-       << (action_count == 1 ? "" : "s");
-    if (repeated_action_specified_) {
-      ss << " and a WillRepeatedly()";
-    }
-    ss << ".";
-    Log(kWarning, ss.str(), -1);  // -1 means "don't print stack trace".
-  }
-}
-
-// Implements the .Times() clause.
-void ExpectationBase::UntypedTimes(const Cardinality& a_cardinality) {
-  if (last_clause_ == kTimes) {
-    ExpectSpecProperty(false,
-                       ".Times() cannot appear "
-                       "more than once in an EXPECT_CALL().");
-  } else {
-    ExpectSpecProperty(last_clause_ < kTimes,
-                       ".Times() cannot appear after "
-                       ".InSequence(), .WillOnce(), .WillRepeatedly(), "
-                       "or .RetiresOnSaturation().");
-  }
-  last_clause_ = kTimes;
-
-  SpecifyCardinality(a_cardinality);
-}
-
-// Points to the implicit sequence introduced by a living InSequence
-// object (if any) in the current thread or NULL.
-GTEST_API_ ThreadLocal<Sequence*> g_gmock_implicit_sequence;
-
-// Reports an uninteresting call (whose description is in msg) in the
-// manner specified by 'reaction'.
-void ReportUninterestingCall(CallReaction reaction, const std::string& msg) {
-  // Include a stack trace only if --gmock_verbose=info is specified.
-  const int stack_frames_to_skip =
-      GMOCK_FLAG(verbose) == kInfoVerbosity ? 3 : -1;
-  switch (reaction) {
-    case kAllow:
-      Log(kInfo, msg, stack_frames_to_skip);
-      break;
-    case kWarn:
-      Log(kWarning,
-          msg +
-              "\nNOTE: You can safely ignore the above warning unless this "
-              "call should not happen.  Do not suppress it by blindly adding "
-              "an EXPECT_CALL() if you don't mean to enforce the call.  "
-              "See "
-              "https://github.com/google/googletest/blob/master/docs/"
-              "gmock_cook_book.md#"
-              "knowing-when-to-expect for details.\n",
-          stack_frames_to_skip);
-      break;
-    default:  // FAIL
-      Expect(false, nullptr, -1, msg);
-  }
-}
-
-UntypedFunctionMockerBase::UntypedFunctionMockerBase()
-    : mock_obj_(nullptr), name_("") {}
-
-UntypedFunctionMockerBase::~UntypedFunctionMockerBase() {}
-
-// Sets the mock object this mock method belongs to, and registers
-// this information in the global mock registry.  Will be called
-// whenever an EXPECT_CALL() or ON_CALL() is executed on this mock
-// method.
-void UntypedFunctionMockerBase::RegisterOwner(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-  {
-    MutexLock l(&g_gmock_mutex);
-    mock_obj_ = mock_obj;
-  }
-  Mock::Register(mock_obj, this);
-}
-
-// Sets the mock object this mock method belongs to, and sets the name
-// of the mock function.  Will be called upon each invocation of this
-// mock function.
-void UntypedFunctionMockerBase::SetOwnerAndName(const void* mock_obj,
-                                                const char* name)
-    GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-  // We protect name_ under g_gmock_mutex in case this mock function
-  // is called from two threads concurrently.
-  MutexLock l(&g_gmock_mutex);
-  mock_obj_ = mock_obj;
-  name_ = name;
-}
-
-// Returns the name of the function being mocked.  Must be called
-// after RegisterOwner() or SetOwnerAndName() has been called.
-const void* UntypedFunctionMockerBase::MockObject() const
-    GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-  const void* mock_obj;
-  {
-    // We protect mock_obj_ under g_gmock_mutex in case this mock
-    // function is called from two threads concurrently.
-    MutexLock l(&g_gmock_mutex);
-    Assert(mock_obj_ != nullptr, __FILE__, __LINE__,
-           "MockObject() must not be called before RegisterOwner() or "
-           "SetOwnerAndName() has been called.");
-    mock_obj = mock_obj_;
-  }
-  return mock_obj;
-}
-
-// Returns the name of this mock method.  Must be called after
-// SetOwnerAndName() has been called.
-const char* UntypedFunctionMockerBase::Name() const
-    GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-  const char* name;
-  {
-    // We protect name_ under g_gmock_mutex in case this mock
-    // function is called from two threads concurrently.
-    MutexLock l(&g_gmock_mutex);
-    Assert(name_ != nullptr, __FILE__, __LINE__,
-           "Name() must not be called before SetOwnerAndName() has "
-           "been called.");
-    name = name_;
-  }
-  return name;
-}
-
-// Calculates the result of invoking this mock function with the given
-// arguments, prints it, and returns it.  The caller is responsible
-// for deleting the result.
-UntypedActionResultHolderBase* UntypedFunctionMockerBase::UntypedInvokeWith(
-    void* const untyped_args) GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-  // See the definition of untyped_expectations_ for why access to it
-  // is unprotected here.
-  if (untyped_expectations_.size() == 0) {
-    // No expectation is set on this mock method - we have an
-    // uninteresting call.
-
-    // We must get Google Mock's reaction on uninteresting calls
-    // made on this mock object BEFORE performing the action,
-    // because the action may DELETE the mock object and make the
-    // following expression meaningless.
-    const CallReaction reaction =
-        Mock::GetReactionOnUninterestingCalls(MockObject());
-
-    // True if and only if we need to print this call's arguments and return
-    // value.  This definition must be kept in sync with
-    // the behavior of ReportUninterestingCall().
-    const bool need_to_report_uninteresting_call =
-        // If the user allows this uninteresting call, we print it
-        // only when they want informational messages.
-        reaction == kAllow ? LogIsVisible(kInfo) :
-                           // If the user wants this to be a warning, we print
-                           // it only when they want to see warnings.
-            reaction == kWarn
-                ? LogIsVisible(kWarning)
-                :
-                // Otherwise, the user wants this to be an error, and we
-                // should always print detailed information in the error.
-                true;
-
-    if (!need_to_report_uninteresting_call) {
-      // Perform the action without printing the call information.
-      return this->UntypedPerformDefaultAction(
-          untyped_args, "Function call: " + std::string(Name()));
-    }
-
-    // Warns about the uninteresting call.
-    ::std::stringstream ss;
-    this->UntypedDescribeUninterestingCall(untyped_args, &ss);
-
-    // Calculates the function result.
-    UntypedActionResultHolderBase* const result =
-        this->UntypedPerformDefaultAction(untyped_args, ss.str());
-
-    // Prints the function result.
-    if (result != nullptr) result->PrintAsActionResult(&ss);
-
-    ReportUninterestingCall(reaction, ss.str());
-    return result;
-  }
-
-  bool is_excessive = false;
-  ::std::stringstream ss;
-  ::std::stringstream why;
-  ::std::stringstream loc;
-  const void* untyped_action = nullptr;
-
-  // The UntypedFindMatchingExpectation() function acquires and
-  // releases g_gmock_mutex.
-
-  const ExpectationBase* const untyped_expectation =
-      this->UntypedFindMatchingExpectation(untyped_args, &untyped_action,
-                                           &is_excessive, &ss, &why);
-  const bool found = untyped_expectation != nullptr;
-
-  // True if and only if we need to print the call's arguments
-  // and return value.
-  // This definition must be kept in sync with the uses of Expect()
-  // and Log() in this function.
-  const bool need_to_report_call =
-      !found || is_excessive || LogIsVisible(kInfo);
-  if (!need_to_report_call) {
-    // Perform the action without printing the call information.
-    return untyped_action == nullptr
-               ? this->UntypedPerformDefaultAction(untyped_args, "")
-               : this->UntypedPerformAction(untyped_action, untyped_args);
-  }
-
-  ss << "    Function call: " << Name();
-  this->UntypedPrintArgs(untyped_args, &ss);
-
-  // In case the action deletes a piece of the expectation, we
-  // generate the message beforehand.
-  if (found && !is_excessive) {
-    untyped_expectation->DescribeLocationTo(&loc);
-  }
-
-  UntypedActionResultHolderBase* result = nullptr;
-
-  auto perform_action = [&] {
-    return untyped_action == nullptr
-               ? this->UntypedPerformDefaultAction(untyped_args, ss.str())
-               : this->UntypedPerformAction(untyped_action, untyped_args);
-  };
-  auto handle_failures = [&] {
-    ss << "\n" << why.str();
-
-    if (!found) {
-      // No expectation matches this call - reports a failure.
-      Expect(false, nullptr, -1, ss.str());
-    } else if (is_excessive) {
-      // We had an upper-bound violation and the failure message is in ss.
-      Expect(false, untyped_expectation->file(), untyped_expectation->line(),
-             ss.str());
-    } else {
-      // We had an expected call and the matching expectation is
-      // described in ss.
-      Log(kInfo, loc.str() + ss.str(), 2);
-    }
-  };
-#if GTEST_HAS_EXCEPTIONS
-  try {
-    result = perform_action();
-  } catch (...) {
-    handle_failures();
-    throw;
-  }
-#else
-  result = perform_action();
-#endif
-
-  if (result != nullptr) result->PrintAsActionResult(&ss);
-  handle_failures();
-  return result;
-}
-
-// Returns an Expectation object that references and co-owns exp,
-// which must be an expectation on this mock function.
-Expectation UntypedFunctionMockerBase::GetHandleOf(ExpectationBase* exp) {
-  // See the definition of untyped_expectations_ for why access to it
-  // is unprotected here.
-  for (UntypedExpectations::const_iterator it =
-           untyped_expectations_.begin();
-       it != untyped_expectations_.end(); ++it) {
-    if (it->get() == exp) {
-      return Expectation(*it);
-    }
-  }
-
-  Assert(false, __FILE__, __LINE__, "Cannot find expectation.");
-  return Expectation();
-  // The above statement is just to make the code compile, and will
-  // never be executed.
-}
-
-// Verifies that all expectations on this mock function have been
-// satisfied.  Reports one or more Google Test non-fatal failures
-// and returns false if not.
-bool UntypedFunctionMockerBase::VerifyAndClearExpectationsLocked()
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-  g_gmock_mutex.AssertHeld();
-  bool expectations_met = true;
-  for (UntypedExpectations::const_iterator it =
-           untyped_expectations_.begin();
-       it != untyped_expectations_.end(); ++it) {
-    ExpectationBase* const untyped_expectation = it->get();
-    if (untyped_expectation->IsOverSaturated()) {
-      // There was an upper-bound violation.  Since the error was
-      // already reported when it occurred, there is no need to do
-      // anything here.
-      expectations_met = false;
-    } else if (!untyped_expectation->IsSatisfied()) {
-      expectations_met = false;
-      ::std::stringstream ss;
-      ss  << "Actual function call count doesn't match "
-          << untyped_expectation->source_text() << "...\n";
-      // No need to show the source file location of the expectation
-      // in the description, as the Expect() call that follows already
-      // takes care of it.
-      untyped_expectation->MaybeDescribeExtraMatcherTo(&ss);
-      untyped_expectation->DescribeCallCountTo(&ss);
-      Expect(false, untyped_expectation->file(),
-             untyped_expectation->line(), ss.str());
-    }
-  }
-
-  // Deleting our expectations may trigger other mock objects to be deleted, for
-  // example if an action contains a reference counted smart pointer to that
-  // mock object, and that is the last reference. So if we delete our
-  // expectations within the context of the global mutex we may deadlock when
-  // this method is called again. Instead, make a copy of the set of
-  // expectations to delete, clear our set within the mutex, and then clear the
-  // copied set outside of it.
-  UntypedExpectations expectations_to_delete;
-  untyped_expectations_.swap(expectations_to_delete);
-
-  g_gmock_mutex.Unlock();
-  expectations_to_delete.clear();
-  g_gmock_mutex.Lock();
-
-  return expectations_met;
-}
-
-CallReaction intToCallReaction(int mock_behavior) {
-  if (mock_behavior >= kAllow && mock_behavior <= kFail) {
-    return static_cast<internal::CallReaction>(mock_behavior);
-  }
-  return kWarn;
-}
-
-}  // namespace internal
-
-// Class Mock.
-
-namespace {
-
-typedef std::set<internal::UntypedFunctionMockerBase*> FunctionMockers;
-
-// The current state of a mock object.  Such information is needed for
-// detecting leaked mock objects and explicitly verifying a mock's
-// expectations.
-struct MockObjectState {
-  MockObjectState()
-      : first_used_file(nullptr), first_used_line(-1), leakable(false) {}
-
-  // Where in the source file an ON_CALL or EXPECT_CALL is first
-  // invoked on this mock object.
-  const char* first_used_file;
-  int first_used_line;
-  ::std::string first_used_test_suite;
-  ::std::string first_used_test;
-  bool leakable;  // true if and only if it's OK to leak the object.
-  FunctionMockers function_mockers;  // All registered methods of the object.
-};
-
-// A global registry holding the state of all mock objects that are
-// alive.  A mock object is added to this registry the first time
-// Mock::AllowLeak(), ON_CALL(), or EXPECT_CALL() is called on it.  It
-// is removed from the registry in the mock object's destructor.
-class MockObjectRegistry {
- public:
-  // Maps a mock object (identified by its address) to its state.
-  typedef std::map<const void*, MockObjectState> StateMap;
-
-  // This destructor will be called when a program exits, after all
-  // tests in it have been run.  By then, there should be no mock
-  // object alive.  Therefore we report any living object as test
-  // failure, unless the user explicitly asked us to ignore it.
-  ~MockObjectRegistry() {
-    if (!GMOCK_FLAG(catch_leaked_mocks))
-      return;
-
-    int leaked_count = 0;
-    for (StateMap::const_iterator it = states_.begin(); it != states_.end();
-         ++it) {
-      if (it->second.leakable)  // The user said it's fine to leak this object.
-        continue;
-
-      // FIXME: Print the type of the leaked object.
-      // This can help the user identify the leaked object.
-      std::cout << "\n";
-      const MockObjectState& state = it->second;
-      std::cout << internal::FormatFileLocation(state.first_used_file,
-                                                state.first_used_line);
-      std::cout << " ERROR: this mock object";
-      if (state.first_used_test != "") {
-        std::cout << " (used in test " << state.first_used_test_suite << "."
-                  << state.first_used_test << ")";
-      }
-      std::cout << " should be deleted but never is. Its address is @"
-           << it->first << ".";
-      leaked_count++;
-    }
-    if (leaked_count > 0) {
-      std::cout << "\nERROR: " << leaked_count << " leaked mock "
-                << (leaked_count == 1 ? "object" : "objects")
-                << " found at program exit. Expectations on a mock object are "
-                   "verified when the object is destructed. Leaking a mock "
-                   "means that its expectations aren't verified, which is "
-                   "usually a test bug. If you really intend to leak a mock, "
-                   "you can suppress this error using "
-                   "testing::Mock::AllowLeak(mock_object), or you may use a "
-                   "fake or stub instead of a mock.\n";
-      std::cout.flush();
-      ::std::cerr.flush();
-      // RUN_ALL_TESTS() has already returned when this destructor is
-      // called.  Therefore we cannot use the normal Google Test
-      // failure reporting mechanism.
-      _exit(1);  // We cannot call exit() as it is not reentrant and
-                 // may already have been called.
-    }
-  }
-
-  StateMap& states() { return states_; }
-
- private:
-  StateMap states_;
-};
-
-// Protected by g_gmock_mutex.
-MockObjectRegistry g_mock_object_registry;
-
-// Maps a mock object to the reaction Google Mock should have when an
-// uninteresting method is called.  Protected by g_gmock_mutex.
-std::map<const void*, internal::CallReaction> g_uninteresting_call_reaction;
-
-// Sets the reaction Google Mock should have when an uninteresting
-// method of the given mock object is called.
-void SetReactionOnUninterestingCalls(const void* mock_obj,
-                                     internal::CallReaction reaction)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  g_uninteresting_call_reaction[mock_obj] = reaction;
-}
-
-}  // namespace
-
-// Tells Google Mock to allow uninteresting calls on the given mock
-// object.
-void Mock::AllowUninterestingCalls(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  SetReactionOnUninterestingCalls(mock_obj, internal::kAllow);
-}
-
-// Tells Google Mock to warn the user about uninteresting calls on the
-// given mock object.
-void Mock::WarnUninterestingCalls(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  SetReactionOnUninterestingCalls(mock_obj, internal::kWarn);
-}
-
-// Tells Google Mock to fail uninteresting calls on the given mock
-// object.
-void Mock::FailUninterestingCalls(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  SetReactionOnUninterestingCalls(mock_obj, internal::kFail);
-}
-
-// Tells Google Mock the given mock object is being destroyed and its
-// entry in the call-reaction table should be removed.
-void Mock::UnregisterCallReaction(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  g_uninteresting_call_reaction.erase(mock_obj);
-}
-
-// Returns the reaction Google Mock will have on uninteresting calls
-// made on the given mock object.
-internal::CallReaction Mock::GetReactionOnUninterestingCalls(
-    const void* mock_obj)
-        GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  return (g_uninteresting_call_reaction.count(mock_obj) == 0) ?
-      internal::intToCallReaction(GMOCK_FLAG(default_mock_behavior)) :
-      g_uninteresting_call_reaction[mock_obj];
-}
-
-// Tells Google Mock to ignore mock_obj when checking for leaked mock
-// objects.
-void Mock::AllowLeak(const void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  g_mock_object_registry.states()[mock_obj].leakable = true;
-}
-
-// Verifies and clears all expectations on the given mock object.  If
-// the expectations aren't satisfied, generates one or more Google
-// Test non-fatal failures and returns false.
-bool Mock::VerifyAndClearExpectations(void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  return VerifyAndClearExpectationsLocked(mock_obj);
-}
-
-// Verifies all expectations on the given mock object and clears its
-// default actions and expectations.  Returns true if and only if the
-// verification was successful.
-bool Mock::VerifyAndClear(void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  ClearDefaultActionsLocked(mock_obj);
-  return VerifyAndClearExpectationsLocked(mock_obj);
-}
-
-// Verifies and clears all expectations on the given mock object.  If
-// the expectations aren't satisfied, generates one or more Google
-// Test non-fatal failures and returns false.
-bool Mock::VerifyAndClearExpectationsLocked(void* mock_obj)
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
-  internal::g_gmock_mutex.AssertHeld();
-  if (g_mock_object_registry.states().count(mock_obj) == 0) {
-    // No EXPECT_CALL() was set on the given mock object.
-    return true;
-  }
-
-  // Verifies and clears the expectations on each mock method in the
-  // given mock object.
-  bool expectations_met = true;
-  FunctionMockers& mockers =
-      g_mock_object_registry.states()[mock_obj].function_mockers;
-  for (FunctionMockers::const_iterator it = mockers.begin();
-       it != mockers.end(); ++it) {
-    if (!(*it)->VerifyAndClearExpectationsLocked()) {
-      expectations_met = false;
-    }
-  }
-
-  // We don't clear the content of mockers, as they may still be
-  // needed by ClearDefaultActionsLocked().
-  return expectations_met;
-}
-
-bool Mock::IsNaggy(void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kWarn;
-}
-bool Mock::IsNice(void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kAllow;
-}
-bool Mock::IsStrict(void* mock_obj)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kFail;
-}
-
-// Registers a mock object and a mock method it owns.
-void Mock::Register(const void* mock_obj,
-                    internal::UntypedFunctionMockerBase* mocker)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  g_mock_object_registry.states()[mock_obj].function_mockers.insert(mocker);
-}
-
-// Tells Google Mock where in the source code mock_obj is used in an
-// ON_CALL or EXPECT_CALL.  In case mock_obj is leaked, this
-// information helps the user identify which object it is.
-void Mock::RegisterUseByOnCallOrExpectCall(const void* mock_obj,
-                                           const char* file, int line)
-    GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
-  internal::MutexLock l(&internal::g_gmock_mutex);
-  MockObjectState& state = g_mock_object_registry.states()[mock_obj];
-  if (state.first_used_file == nullptr) {
-    state.first_used_file = file;
-    state.first_used_line = line;
-    const TestInfo* const test_info =
-        UnitTest::GetInstance()->current_test_info();
-    if (test_info != nullptr) {
-      state.first_used_test_suite = test_info->test_suite_name();
-      state.first_used_test = test_info->name();
-    }
-  }
-}
-
-// Unregisters a mock method; removes the owning mock object from the
-// registry when the last mock method associated with it has been
-// unregistered.  This is called only in the destructor of
-// FunctionMockerBase.
-void Mock::UnregisterLocked(internal::UntypedFunctionMockerBase* mocker)
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
-  internal::g_gmock_mutex.AssertHeld();
-  for (MockObjectRegistry::StateMap::iterator it =
-           g_mock_object_registry.states().begin();
-       it != g_mock_object_registry.states().end(); ++it) {
-    FunctionMockers& mockers = it->second.function_mockers;
-    if (mockers.erase(mocker) > 0) {
-      // mocker was in mockers and has been just removed.
-      if (mockers.empty()) {
-        g_mock_object_registry.states().erase(it);
-      }
-      return;
-    }
-  }
-}
-
-// Clears all ON_CALL()s set on the given mock object.
-void Mock::ClearDefaultActionsLocked(void* mock_obj)
-    GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
-  internal::g_gmock_mutex.AssertHeld();
-
-  if (g_mock_object_registry.states().count(mock_obj) == 0) {
-    // No ON_CALL() was set on the given mock object.
-    return;
-  }
-
-  // Clears the default actions for each mock method in the given mock
-  // object.
-  FunctionMockers& mockers =
-      g_mock_object_registry.states()[mock_obj].function_mockers;
-  for (FunctionMockers::const_iterator it = mockers.begin();
-       it != mockers.end(); ++it) {
-    (*it)->ClearDefaultActionsLocked();
-  }
-
-  // We don't clear the content of mockers, as they may still be
-  // needed by VerifyAndClearExpectationsLocked().
-}
-
-Expectation::Expectation() {}
-
-Expectation::Expectation(
-    const std::shared_ptr<internal::ExpectationBase>& an_expectation_base)
-    : expectation_base_(an_expectation_base) {}
-
-Expectation::~Expectation() {}
-
-// Adds an expectation to a sequence.
-void Sequence::AddExpectation(const Expectation& expectation) const {
-  if (*last_expectation_ != expectation) {
-    if (last_expectation_->expectation_base() != nullptr) {
-      expectation.expectation_base()->immediate_prerequisites_
-          += *last_expectation_;
-    }
-    *last_expectation_ = expectation;
-  }
-}
-
-// Creates the implicit sequence if there isn't one.
-InSequence::InSequence() {
-  if (internal::g_gmock_implicit_sequence.get() == nullptr) {
-    internal::g_gmock_implicit_sequence.set(new Sequence);
-    sequence_created_ = true;
-  } else {
-    sequence_created_ = false;
-  }
-}
-
-// Deletes the implicit sequence if it was created by the constructor
-// of this object.
-InSequence::~InSequence() {
-  if (sequence_created_) {
-    delete internal::g_gmock_implicit_sequence.get();
-    internal::g_gmock_implicit_sequence.set(nullptr);
-  }
-}
-
-}  // namespace testing
-
-#ifdef _MSC_VER
-#if _MSC_VER == 1900
-#  pragma warning(pop)
-#endif
-#endif
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-
-namespace testing {
-
-GMOCK_DEFINE_bool_(catch_leaked_mocks, true,
-                   "true if and only if Google Mock should report leaked "
-                   "mock objects as failures.");
-
-GMOCK_DEFINE_string_(verbose, internal::kWarningVerbosity,
-                     "Controls how verbose Google Mock's output is."
-                     "  Valid values:\n"
-                     "  info    - prints all messages.\n"
-                     "  warning - prints warnings and errors.\n"
-                     "  error   - prints errors only.");
-
-GMOCK_DEFINE_int32_(default_mock_behavior, 1,
-                    "Controls the default behavior of mocks."
-                    "  Valid values:\n"
-                    "  0 - by default, mocks act as NiceMocks.\n"
-                    "  1 - by default, mocks act as NaggyMocks.\n"
-                    "  2 - by default, mocks act as StrictMocks.");
-
-namespace internal {
-
-// Parses a string as a command line flag.  The string should have the
-// format "--gmock_flag=value".  When def_optional is true, the
-// "=value" part can be omitted.
-//
-// Returns the value of the flag, or NULL if the parsing failed.
-static const char* ParseGoogleMockFlagValue(const char* str,
-                                            const char* flag,
-                                            bool def_optional) {
-  // str and flag must not be NULL.
-  if (str == nullptr || flag == nullptr) return nullptr;
-
-  // The flag must start with "--gmock_".
-  const std::string flag_str = std::string("--gmock_") + flag;
-  const size_t flag_len = flag_str.length();
-  if (strncmp(str, flag_str.c_str(), flag_len) != 0) return nullptr;
-
-  // Skips the flag name.
-  const char* flag_end = str + flag_len;
-
-  // When def_optional is true, it's OK to not have a "=value" part.
-  if (def_optional && (flag_end[0] == '\0')) {
-    return flag_end;
-  }
-
-  // If def_optional is true and there are more characters after the
-  // flag name, or if def_optional is false, there must be a '=' after
-  // the flag name.
-  if (flag_end[0] != '=') return nullptr;
-
-  // Returns the string after "=".
-  return flag_end + 1;
-}
-
-// Parses a string for a Google Mock bool flag, in the form of
-// "--gmock_flag=value".
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-static bool ParseGoogleMockBoolFlag(const char* str, const char* flag,
-                                    bool* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseGoogleMockFlagValue(str, flag, true);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Converts the string value to a bool.
-  *value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
-  return true;
-}
-
-// Parses a string for a Google Mock string flag, in the form of
-// "--gmock_flag=value".
-//
-// On success, stores the value of the flag in *value, and returns
-// true.  On failure, returns false without changing *value.
-template <typename String>
-static bool ParseGoogleMockStringFlag(const char* str, const char* flag,
-                                      String* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseGoogleMockFlagValue(str, flag, false);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  *value = value_str;
-  return true;
-}
-
-static bool ParseGoogleMockIntFlag(const char* str, const char* flag,
-                                   int32_t* value) {
-  // Gets the value of the flag as a string.
-  const char* const value_str = ParseGoogleMockFlagValue(str, flag, true);
-
-  // Aborts if the parsing failed.
-  if (value_str == nullptr) return false;
-
-  // Sets *value to the value of the flag.
-  return ParseInt32(Message() << "The value of flag --" << flag,
-                    value_str, value);
-}
-
-// The internal implementation of InitGoogleMock().
-//
-// The type parameter CharType can be instantiated to either char or
-// wchar_t.
-template <typename CharType>
-void InitGoogleMockImpl(int* argc, CharType** argv) {
-  // Makes sure Google Test is initialized.  InitGoogleTest() is
-  // idempotent, so it's fine if the user has already called it.
-  InitGoogleTest(argc, argv);
-  if (*argc <= 0) return;
-
-  for (int i = 1; i != *argc; i++) {
-    const std::string arg_string = StreamableToString(argv[i]);
-    const char* const arg = arg_string.c_str();
-
-    // Do we see a Google Mock flag?
-    if (ParseGoogleMockBoolFlag(arg, "catch_leaked_mocks",
-                                &GMOCK_FLAG(catch_leaked_mocks)) ||
-        ParseGoogleMockStringFlag(arg, "verbose", &GMOCK_FLAG(verbose)) ||
-        ParseGoogleMockIntFlag(arg, "default_mock_behavior",
-                               &GMOCK_FLAG(default_mock_behavior))) {
-      // Yes.  Shift the remainder of the argv list left by one.  Note
-      // that argv has (*argc + 1) elements, the last one always being
-      // NULL.  The following loop moves the trailing NULL element as
-      // well.
-      for (int j = i; j != *argc; j++) {
-        argv[j] = argv[j + 1];
-      }
-
-      // Decrements the argument count.
-      (*argc)--;
-
-      // We also need to decrement the iterator as we just removed
-      // an element.
-      i--;
-    }
-  }
-}
-
-}  // namespace internal
-
-// Initializes Google Mock.  This must be called before running the
-// tests.  In particular, it parses a command line for the flags that
-// Google Mock recognizes.  Whenever a Google Mock flag is seen, it is
-// removed from argv, and *argc is decremented.
-//
-// No value is returned.  Instead, the Google Mock flag variables are
-// updated.
-//
-// Since Google Test is needed for Google Mock to work, this function
-// also initializes Google Test and parses its flags, if that hasn't
-// been done.
-GTEST_API_ void InitGoogleMock(int* argc, char** argv) {
-  internal::InitGoogleMockImpl(argc, argv);
-}
-
-// This overloaded version can be used in Windows programs compiled in
-// UNICODE mode.
-GTEST_API_ void InitGoogleMock(int* argc, wchar_t** argv) {
-  internal::InitGoogleMockImpl(argc, argv);
-}
-
-// This overloaded version can be used on Arduino/embedded platforms where
-// there is no argc/argv.
-GTEST_API_ void InitGoogleMock() {
-  // Since Arduino doesn't have a command line, fake out the argc/argv arguments
-  int argc = 1;
-  const auto arg0 = "dummy";
-  char* argv0 = const_cast<char*>(arg0);
-  char** argv = &argv0;
-
-  internal::InitGoogleMockImpl(&argc, argv);
-}
-
-}  // namespace testing
diff --git a/third_party/fmt-9.1.0/test/gtest/gmock/gmock.h b/third_party/fmt-9.1.0/test/gtest/gmock/gmock.h
deleted file mode 100644
index d121f7df..00000000
--- a/third_party/fmt-9.1.0/test/gtest/gmock/gmock.h
+++ /dev/null
@@ -1,11645 +0,0 @@
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This is the main header file a user should include.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_H_
-
-// This file implements the following syntax:
-//
-//   ON_CALL(mock_object, Method(...))
-//     .With(...) ?
-//     .WillByDefault(...);
-//
-// where With() is optional and WillByDefault() must appear exactly
-// once.
-//
-//   EXPECT_CALL(mock_object, Method(...))
-//     .With(...) ?
-//     .Times(...) ?
-//     .InSequence(...) *
-//     .WillOnce(...) *
-//     .WillRepeatedly(...) ?
-//     .RetiresOnSaturation() ? ;
-//
-// where all clauses are optional and WillOnce() can be repeated.
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// The ACTION* family of macros can be used in a namespace scope to
-// define custom actions easily.  The syntax:
-//
-//   ACTION(name) { statements; }
-//
-// will define an action with the given name that executes the
-// statements.  The value returned by the statements will be used as
-// the return value of the action.  Inside the statements, you can
-// refer to the K-th (0-based) argument of the mock function by
-// 'argK', and refer to its type by 'argK_type'.  For example:
-//
-//   ACTION(IncrementArg1) {
-//     arg1_type temp = arg1;
-//     return ++(*temp);
-//   }
-//
-// allows you to write
-//
-//   ...WillOnce(IncrementArg1());
-//
-// You can also refer to the entire argument tuple and its type by
-// 'args' and 'args_type', and refer to the mock function type and its
-// return type by 'function_type' and 'return_type'.
-//
-// Note that you don't need to specify the types of the mock function
-// arguments.  However rest assured that your code is still type-safe:
-// you'll get a compiler error if *arg1 doesn't support the ++
-// operator, or if the type of ++(*arg1) isn't compatible with the
-// mock function's return type, for example.
-//
-// Sometimes you'll want to parameterize the action.   For that you can use
-// another macro:
-//
-//   ACTION_P(name, param_name) { statements; }
-//
-// For example:
-//
-//   ACTION_P(Add, n) { return arg0 + n; }
-//
-// will allow you to write:
-//
-//   ...WillOnce(Add(5));
-//
-// Note that you don't need to provide the type of the parameter
-// either.  If you need to reference the type of a parameter named
-// 'foo', you can write 'foo_type'.  For example, in the body of
-// ACTION_P(Add, n) above, you can write 'n_type' to refer to the type
-// of 'n'.
-//
-// We also provide ACTION_P2, ACTION_P3, ..., up to ACTION_P10 to support
-// multi-parameter actions.
-//
-// For the purpose of typing, you can view
-//
-//   ACTION_Pk(Foo, p1, ..., pk) { ... }
-//
-// as shorthand for
-//
-//   template <typename p1_type, ..., typename pk_type>
-//   FooActionPk<p1_type, ..., pk_type> Foo(p1_type p1, ..., pk_type pk) { ... }
-//
-// In particular, you can provide the template type arguments
-// explicitly when invoking Foo(), as in Foo<long, bool>(5, false);
-// although usually you can rely on the compiler to infer the types
-// for you automatically.  You can assign the result of expression
-// Foo(p1, ..., pk) to a variable of type FooActionPk<p1_type, ...,
-// pk_type>.  This can be useful when composing actions.
-//
-// You can also overload actions with different numbers of parameters:
-//
-//   ACTION_P(Plus, a) { ... }
-//   ACTION_P2(Plus, a, b) { ... }
-//
-// While it's tempting to always use the ACTION* macros when defining
-// a new action, you should also consider implementing ActionInterface
-// or using MakePolymorphicAction() instead, especially if you need to
-// use the action a lot.  While these approaches require more work,
-// they give you more control on the types of the mock function
-// arguments and the action parameters, which in general leads to
-// better compiler error messages that pay off in the long run.  They
-// also allow overloading actions based on parameter types (as opposed
-// to just based on the number of parameters).
-//
-// CAVEAT:
-//
-// ACTION*() can only be used in a namespace scope as templates cannot be
-// declared inside of a local class.
-// Users can, however, define any local functors (e.g. a lambda) that
-// can be used as actions.
-//
-// MORE INFORMATION:
-//
-// To learn more about using these macros, please search for 'ACTION' on
-// https://github.com/google/googletest/blob/master/docs/gmock_cook_book.md
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_ACTIONS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_ACTIONS_H_
-
-#ifndef _WIN32_WCE
-# include <errno.h>
-#endif
-
-#include <algorithm>
-#include <functional>
-#include <memory>
-#include <string>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file defines some utilities useful for implementing Google
-// Mock.  They are subject to change without notice, so please DO NOT
-// USE THEM IN USER CODE.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
-
-#include <stdio.h>
-#include <ostream>  // NOLINT
-#include <string>
-#include <type_traits>
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Low-level types and utilities for porting Google Mock to various
-// platforms.  All macros ending with _ and symbols defined in an
-// internal namespace are subject to change without notice.  Code
-// outside Google Mock MUST NOT USE THEM DIRECTLY.  Macros that don't
-// end with _ are part of Google Mock's public API and can be used by
-// code outside Google Mock.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_
-
-#include <assert.h>
-#include <stdlib.h>
-#include <cstdint>
-#include <iostream>
-
-// Most of the utilities needed for porting Google Mock are also
-// required for Google Test and are defined in gtest-port.h.
-//
-// Note to maintainers: to reduce code duplication, prefer adding
-// portability utilities to Google Test's gtest-port.h instead of
-// here, as Google Mock depends on Google Test.  Only add a utility
-// here if it's truly specific to Google Mock.
-
-#include "gtest/gtest.h"
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Injection point for custom user configurations. See README for details
-//
-// ** Custom implementation starts here **
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_
-
-// For MS Visual C++, check the compiler version. At least VS 2015 is
-// required to compile Google Mock.
-#if defined(_MSC_VER) && _MSC_VER < 1900
-# error "At least Visual C++ 2015 (14.0) is required to compile Google Mock."
-#endif
-
-// Macro for referencing flags.  This is public as we want the user to
-// use this syntax to reference Google Mock flags.
-#define GMOCK_FLAG(name) FLAGS_gmock_##name
-
-#if !defined(GMOCK_DECLARE_bool_)
-
-// Macros for declaring flags.
-# define GMOCK_DECLARE_bool_(name) extern GTEST_API_ bool GMOCK_FLAG(name)
-# define GMOCK_DECLARE_int32_(name) extern GTEST_API_ int32_t GMOCK_FLAG(name)
-# define GMOCK_DECLARE_string_(name) \
-    extern GTEST_API_ ::std::string GMOCK_FLAG(name)
-
-// Macros for defining flags.
-# define GMOCK_DEFINE_bool_(name, default_val, doc) \
-    GTEST_API_ bool GMOCK_FLAG(name) = (default_val)
-# define GMOCK_DEFINE_int32_(name, default_val, doc) \
-    GTEST_API_ int32_t GMOCK_FLAG(name) = (default_val)
-# define GMOCK_DEFINE_string_(name, default_val, doc) \
-    GTEST_API_ ::std::string GMOCK_FLAG(name) = (default_val)
-
-#endif  // !defined(GMOCK_DECLARE_bool_)
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_
-
-namespace testing {
-
-template <typename>
-class Matcher;
-
-namespace internal {
-
-// Silence MSVC C4100 (unreferenced formal parameter) and
-// C4805('==': unsafe mix of type 'const int' and type 'const bool')
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4100)
-# pragma warning(disable:4805)
-#endif
-
-// Joins a vector of strings as if they are fields of a tuple; returns
-// the joined string.
-GTEST_API_ std::string JoinAsTuple(const Strings& fields);
-
-// Converts an identifier name to a space-separated list of lower-case
-// words.  Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
-// treated as one word.  For example, both "FooBar123" and
-// "foo_bar_123" are converted to "foo bar 123".
-GTEST_API_ std::string ConvertIdentifierNameToWords(const char* id_name);
-
-// GetRawPointer(p) returns the raw pointer underlying p when p is a
-// smart pointer, or returns p itself when p is already a raw pointer.
-// The following default implementation is for the smart pointer case.
-template <typename Pointer>
-inline const typename Pointer::element_type* GetRawPointer(const Pointer& p) {
-  return p.get();
-}
-// This overloaded version is for the raw pointer case.
-template <typename Element>
-inline Element* GetRawPointer(Element* p) { return p; }
-
-// MSVC treats wchar_t as a native type usually, but treats it as the
-// same as unsigned short when the compiler option /Zc:wchar_t- is
-// specified.  It defines _NATIVE_WCHAR_T_DEFINED symbol when wchar_t
-// is a native type.
-#if defined(_MSC_VER) && !defined(_NATIVE_WCHAR_T_DEFINED)
-// wchar_t is a typedef.
-#else
-# define GMOCK_WCHAR_T_IS_NATIVE_ 1
-#endif
-
-// In what follows, we use the term "kind" to indicate whether a type
-// is bool, an integer type (excluding bool), a floating-point type,
-// or none of them.  This categorization is useful for determining
-// when a matcher argument type can be safely converted to another
-// type in the implementation of SafeMatcherCast.
-enum TypeKind {
-  kBool, kInteger, kFloatingPoint, kOther
-};
-
-// KindOf<T>::value is the kind of type T.
-template <typename T> struct KindOf {
-  enum { value = kOther };  // The default kind.
-};
-
-// This macro declares that the kind of 'type' is 'kind'.
-#define GMOCK_DECLARE_KIND_(type, kind) \
-  template <> struct KindOf<type> { enum { value = kind }; }
-
-GMOCK_DECLARE_KIND_(bool, kBool);
-
-// All standard integer types.
-GMOCK_DECLARE_KIND_(char, kInteger);
-GMOCK_DECLARE_KIND_(signed char, kInteger);
-GMOCK_DECLARE_KIND_(unsigned char, kInteger);
-GMOCK_DECLARE_KIND_(short, kInteger);  // NOLINT
-GMOCK_DECLARE_KIND_(unsigned short, kInteger);  // NOLINT
-GMOCK_DECLARE_KIND_(int, kInteger);
-GMOCK_DECLARE_KIND_(unsigned int, kInteger);
-GMOCK_DECLARE_KIND_(long, kInteger);  // NOLINT
-GMOCK_DECLARE_KIND_(unsigned long, kInteger);  // NOLINT
-GMOCK_DECLARE_KIND_(long long, kInteger);  // NOLINT
-GMOCK_DECLARE_KIND_(unsigned long long, kInteger);  // NOLINT
-
-#if GMOCK_WCHAR_T_IS_NATIVE_
-GMOCK_DECLARE_KIND_(wchar_t, kInteger);
-#endif
-
-// All standard floating-point types.
-GMOCK_DECLARE_KIND_(float, kFloatingPoint);
-GMOCK_DECLARE_KIND_(double, kFloatingPoint);
-GMOCK_DECLARE_KIND_(long double, kFloatingPoint);
-
-#undef GMOCK_DECLARE_KIND_
-
-// Evaluates to the kind of 'type'.
-#define GMOCK_KIND_OF_(type) \
-  static_cast< ::testing::internal::TypeKind>( \
-      ::testing::internal::KindOf<type>::value)
-
-// LosslessArithmeticConvertibleImpl<kFromKind, From, kToKind, To>::value
-// is true if and only if arithmetic type From can be losslessly converted to
-// arithmetic type To.
-//
-// It's the user's responsibility to ensure that both From and To are
-// raw (i.e. has no CV modifier, is not a pointer, and is not a
-// reference) built-in arithmetic types, kFromKind is the kind of
-// From, and kToKind is the kind of To; the value is
-// implementation-defined when the above pre-condition is violated.
-template <TypeKind kFromKind, typename From, TypeKind kToKind, typename To>
-using LosslessArithmeticConvertibleImpl = std::integral_constant<
-    bool,
-    // clang-format off
-      // Converting from bool is always lossless
-      (kFromKind == kBool) ? true
-      // Converting between any other type kinds will be lossy if the type
-      // kinds are not the same.
-    : (kFromKind != kToKind) ? false
-    : (kFromKind == kInteger &&
-       // Converting between integers of different widths is allowed so long
-       // as the conversion does not go from signed to unsigned.
-      (((sizeof(From) < sizeof(To)) &&
-        !(std::is_signed<From>::value && !std::is_signed<To>::value)) ||
-       // Converting between integers of the same width only requires the
-       // two types to have the same signedness.
-       ((sizeof(From) == sizeof(To)) &&
-        (std::is_signed<From>::value == std::is_signed<To>::value)))
-       ) ? true
-      // Floating point conversions are lossless if and only if `To` is at least
-      // as wide as `From`.
-    : (kFromKind == kFloatingPoint && (sizeof(From) <= sizeof(To))) ? true
-    : false
-    // clang-format on
-    >;
-
-// LosslessArithmeticConvertible<From, To>::value is true if and only if
-// arithmetic type From can be losslessly converted to arithmetic type To.
-//
-// It's the user's responsibility to ensure that both From and To are
-// raw (i.e. has no CV modifier, is not a pointer, and is not a
-// reference) built-in arithmetic types; the value is
-// implementation-defined when the above pre-condition is violated.
-template <typename From, typename To>
-using LosslessArithmeticConvertible =
-    LosslessArithmeticConvertibleImpl<GMOCK_KIND_OF_(From), From,
-                                      GMOCK_KIND_OF_(To), To>;
-
-// This interface knows how to report a Google Mock failure (either
-// non-fatal or fatal).
-class FailureReporterInterface {
- public:
-  // The type of a failure (either non-fatal or fatal).
-  enum FailureType {
-    kNonfatal, kFatal
-  };
-
-  virtual ~FailureReporterInterface() {}
-
-  // Reports a failure that occurred at the given source file location.
-  virtual void ReportFailure(FailureType type, const char* file, int line,
-                             const std::string& message) = 0;
-};
-
-// Returns the failure reporter used by Google Mock.
-GTEST_API_ FailureReporterInterface* GetFailureReporter();
-
-// Asserts that condition is true; aborts the process with the given
-// message if condition is false.  We cannot use LOG(FATAL) or CHECK()
-// as Google Mock might be used to mock the log sink itself.  We
-// inline this function to prevent it from showing up in the stack
-// trace.
-inline void Assert(bool condition, const char* file, int line,
-                   const std::string& msg) {
-  if (!condition) {
-    GetFailureReporter()->ReportFailure(FailureReporterInterface::kFatal,
-                                        file, line, msg);
-  }
-}
-inline void Assert(bool condition, const char* file, int line) {
-  Assert(condition, file, line, "Assertion failed.");
-}
-
-// Verifies that condition is true; generates a non-fatal failure if
-// condition is false.
-inline void Expect(bool condition, const char* file, int line,
-                   const std::string& msg) {
-  if (!condition) {
-    GetFailureReporter()->ReportFailure(FailureReporterInterface::kNonfatal,
-                                        file, line, msg);
-  }
-}
-inline void Expect(bool condition, const char* file, int line) {
-  Expect(condition, file, line, "Expectation failed.");
-}
-
-// Severity level of a log.
-enum LogSeverity {
-  kInfo = 0,
-  kWarning = 1
-};
-
-// Valid values for the --gmock_verbose flag.
-
-// All logs (informational and warnings) are printed.
-const char kInfoVerbosity[] = "info";
-// Only warnings are printed.
-const char kWarningVerbosity[] = "warning";
-// No logs are printed.
-const char kErrorVerbosity[] = "error";
-
-// Returns true if and only if a log with the given severity is visible
-// according to the --gmock_verbose flag.
-GTEST_API_ bool LogIsVisible(LogSeverity severity);
-
-// Prints the given message to stdout if and only if 'severity' >= the level
-// specified by the --gmock_verbose flag.  If stack_frames_to_skip >=
-// 0, also prints the stack trace excluding the top
-// stack_frames_to_skip frames.  In opt mode, any positive
-// stack_frames_to_skip is treated as 0, since we don't know which
-// function calls will be inlined by the compiler and need to be
-// conservative.
-GTEST_API_ void Log(LogSeverity severity, const std::string& message,
-                    int stack_frames_to_skip);
-
-// A marker class that is used to resolve parameterless expectations to the
-// correct overload. This must not be instantiable, to prevent client code from
-// accidentally resolving to the overload; for example:
-//
-//    ON_CALL(mock, Method({}, nullptr))...
-//
-class WithoutMatchers {
- private:
-  WithoutMatchers() {}
-  friend GTEST_API_ WithoutMatchers GetWithoutMatchers();
-};
-
-// Internal use only: access the singleton instance of WithoutMatchers.
-GTEST_API_ WithoutMatchers GetWithoutMatchers();
-
-// Disable MSVC warnings for infinite recursion, since in this case the
-// the recursion is unreachable.
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4717)
-#endif
-
-// Invalid<T>() is usable as an expression of type T, but will terminate
-// the program with an assertion failure if actually run.  This is useful
-// when a value of type T is needed for compilation, but the statement
-// will not really be executed (or we don't care if the statement
-// crashes).
-template <typename T>
-inline T Invalid() {
-  Assert(false, "", -1, "Internal error: attempt to return invalid value");
-  // This statement is unreachable, and would never terminate even if it
-  // could be reached. It is provided only to placate compiler warnings
-  // about missing return statements.
-  return Invalid<T>();
-}
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-// Given a raw type (i.e. having no top-level reference or const
-// modifier) RawContainer that's either an STL-style container or a
-// native array, class StlContainerView<RawContainer> has the
-// following members:
-//
-//   - type is a type that provides an STL-style container view to
-//     (i.e. implements the STL container concept for) RawContainer;
-//   - const_reference is a type that provides a reference to a const
-//     RawContainer;
-//   - ConstReference(raw_container) returns a const reference to an STL-style
-//     container view to raw_container, which is a RawContainer.
-//   - Copy(raw_container) returns an STL-style container view of a
-//     copy of raw_container, which is a RawContainer.
-//
-// This generic version is used when RawContainer itself is already an
-// STL-style container.
-template <class RawContainer>
-class StlContainerView {
- public:
-  typedef RawContainer type;
-  typedef const type& const_reference;
-
-  static const_reference ConstReference(const RawContainer& container) {
-    static_assert(!std::is_const<RawContainer>::value,
-                  "RawContainer type must not be const");
-    return container;
-  }
-  static type Copy(const RawContainer& container) { return container; }
-};
-
-// This specialization is used when RawContainer is a native array type.
-template <typename Element, size_t N>
-class StlContainerView<Element[N]> {
- public:
-  typedef typename std::remove_const<Element>::type RawElement;
-  typedef internal::NativeArray<RawElement> type;
-  // NativeArray<T> can represent a native array either by value or by
-  // reference (selected by a constructor argument), so 'const type'
-  // can be used to reference a const native array.  We cannot
-  // 'typedef const type& const_reference' here, as that would mean
-  // ConstReference() has to return a reference to a local variable.
-  typedef const type const_reference;
-
-  static const_reference ConstReference(const Element (&array)[N]) {
-    static_assert(std::is_same<Element, RawElement>::value,
-                  "Element type must not be const");
-    return type(array, N, RelationToSourceReference());
-  }
-  static type Copy(const Element (&array)[N]) {
-    return type(array, N, RelationToSourceCopy());
-  }
-};
-
-// This specialization is used when RawContainer is a native array
-// represented as a (pointer, size) tuple.
-template <typename ElementPointer, typename Size>
-class StlContainerView< ::std::tuple<ElementPointer, Size> > {
- public:
-  typedef typename std::remove_const<
-      typename std::pointer_traits<ElementPointer>::element_type>::type
-      RawElement;
-  typedef internal::NativeArray<RawElement> type;
-  typedef const type const_reference;
-
-  static const_reference ConstReference(
-      const ::std::tuple<ElementPointer, Size>& array) {
-    return type(std::get<0>(array), std::get<1>(array),
-                RelationToSourceReference());
-  }
-  static type Copy(const ::std::tuple<ElementPointer, Size>& array) {
-    return type(std::get<0>(array), std::get<1>(array), RelationToSourceCopy());
-  }
-};
-
-// The following specialization prevents the user from instantiating
-// StlContainer with a reference type.
-template <typename T> class StlContainerView<T&>;
-
-// A type transform to remove constness from the first part of a pair.
-// Pairs like that are used as the value_type of associative containers,
-// and this transform produces a similar but assignable pair.
-template <typename T>
-struct RemoveConstFromKey {
-  typedef T type;
-};
-
-// Partially specialized to remove constness from std::pair<const K, V>.
-template <typename K, typename V>
-struct RemoveConstFromKey<std::pair<const K, V> > {
-  typedef std::pair<K, V> type;
-};
-
-// Emit an assertion failure due to incorrect DoDefault() usage. Out-of-lined to
-// reduce code size.
-GTEST_API_ void IllegalDoDefault(const char* file, int line);
-
-template <typename F, typename Tuple, size_t... Idx>
-auto ApplyImpl(F&& f, Tuple&& args, IndexSequence<Idx...>) -> decltype(
-    std::forward<F>(f)(std::get<Idx>(std::forward<Tuple>(args))...)) {
-  return std::forward<F>(f)(std::get<Idx>(std::forward<Tuple>(args))...);
-}
-
-// Apply the function to a tuple of arguments.
-template <typename F, typename Tuple>
-auto Apply(F&& f, Tuple&& args) -> decltype(
-    ApplyImpl(std::forward<F>(f), std::forward<Tuple>(args),
-              MakeIndexSequence<std::tuple_size<
-                  typename std::remove_reference<Tuple>::type>::value>())) {
-  return ApplyImpl(std::forward<F>(f), std::forward<Tuple>(args),
-                   MakeIndexSequence<std::tuple_size<
-                       typename std::remove_reference<Tuple>::type>::value>());
-}
-
-// Template struct Function<F>, where F must be a function type, contains
-// the following typedefs:
-//
-//   Result:               the function's return type.
-//   Arg<N>:               the type of the N-th argument, where N starts with 0.
-//   ArgumentTuple:        the tuple type consisting of all parameters of F.
-//   ArgumentMatcherTuple: the tuple type consisting of Matchers for all
-//                         parameters of F.
-//   MakeResultVoid:       the function type obtained by substituting void
-//                         for the return type of F.
-//   MakeResultIgnoredValue:
-//                         the function type obtained by substituting Something
-//                         for the return type of F.
-template <typename T>
-struct Function;
-
-template <typename R, typename... Args>
-struct Function<R(Args...)> {
-  using Result = R;
-  static constexpr size_t ArgumentCount = sizeof...(Args);
-  template <size_t I>
-  using Arg = ElemFromList<I, Args...>;
-  using ArgumentTuple = std::tuple<Args...>;
-  using ArgumentMatcherTuple = std::tuple<Matcher<Args>...>;
-  using MakeResultVoid = void(Args...);
-  using MakeResultIgnoredValue = IgnoredValue(Args...);
-};
-
-template <typename R, typename... Args>
-constexpr size_t Function<R(Args...)>::ArgumentCount;
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-}  // namespace internal
-}  // namespace testing
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PP_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PP_H_
-
-// Expands and concatenates the arguments. Constructed macros reevaluate.
-#define GMOCK_PP_CAT(_1, _2) GMOCK_PP_INTERNAL_CAT(_1, _2)
-
-// Expands and stringifies the only argument.
-#define GMOCK_PP_STRINGIZE(...) GMOCK_PP_INTERNAL_STRINGIZE(__VA_ARGS__)
-
-// Returns empty. Given a variadic number of arguments.
-#define GMOCK_PP_EMPTY(...)
-
-// Returns a comma. Given a variadic number of arguments.
-#define GMOCK_PP_COMMA(...) ,
-
-// Returns the only argument.
-#define GMOCK_PP_IDENTITY(_1) _1
-
-// Evaluates to the number of arguments after expansion.
-//
-//   #define PAIR x, y
-//
-//   GMOCK_PP_NARG() => 1
-//   GMOCK_PP_NARG(x) => 1
-//   GMOCK_PP_NARG(x, y) => 2
-//   GMOCK_PP_NARG(PAIR) => 2
-//
-// Requires: the number of arguments after expansion is at most 15.
-#define GMOCK_PP_NARG(...) \
-  GMOCK_PP_INTERNAL_16TH(  \
-      (__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0))
-
-// Returns 1 if the expansion of arguments has an unprotected comma. Otherwise
-// returns 0. Requires no more than 15 unprotected commas.
-#define GMOCK_PP_HAS_COMMA(...) \
-  GMOCK_PP_INTERNAL_16TH(       \
-      (__VA_ARGS__, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0))
-
-// Returns the first argument.
-#define GMOCK_PP_HEAD(...) GMOCK_PP_INTERNAL_HEAD((__VA_ARGS__, unusedArg))
-
-// Returns the tail. A variadic list of all arguments minus the first. Requires
-// at least one argument.
-#define GMOCK_PP_TAIL(...) GMOCK_PP_INTERNAL_TAIL((__VA_ARGS__))
-
-// Calls CAT(_Macro, NARG(__VA_ARGS__))(__VA_ARGS__)
-#define GMOCK_PP_VARIADIC_CALL(_Macro, ...) \
-  GMOCK_PP_IDENTITY(                        \
-      GMOCK_PP_CAT(_Macro, GMOCK_PP_NARG(__VA_ARGS__))(__VA_ARGS__))
-
-// If the arguments after expansion have no tokens, evaluates to `1`. Otherwise
-// evaluates to `0`.
-//
-// Requires: * the number of arguments after expansion is at most 15.
-//           * If the argument is a macro, it must be able to be called with one
-//             argument.
-//
-// Implementation details:
-//
-// There is one case when it generates a compile error: if the argument is macro
-// that cannot be called with one argument.
-//
-//   #define M(a, b)  // it doesn't matter what it expands to
-//
-//   // Expected: expands to `0`.
-//   // Actual: compile error.
-//   GMOCK_PP_IS_EMPTY(M)
-//
-// There are 4 cases tested:
-//
-// * __VA_ARGS__ possible expansion has no unparen'd commas. Expected 0.
-// * __VA_ARGS__ possible expansion is not enclosed in parenthesis. Expected 0.
-// * __VA_ARGS__ possible expansion is not a macro that ()-evaluates to a comma.
-//   Expected 0
-// * __VA_ARGS__ is empty, or has unparen'd commas, or is enclosed in
-//   parenthesis, or is a macro that ()-evaluates to comma. Expected 1.
-//
-// We trigger detection on '0001', i.e. on empty.
-#define GMOCK_PP_IS_EMPTY(...)                                               \
-  GMOCK_PP_INTERNAL_IS_EMPTY(GMOCK_PP_HAS_COMMA(__VA_ARGS__),                \
-                             GMOCK_PP_HAS_COMMA(GMOCK_PP_COMMA __VA_ARGS__), \
-                             GMOCK_PP_HAS_COMMA(__VA_ARGS__()),              \
-                             GMOCK_PP_HAS_COMMA(GMOCK_PP_COMMA __VA_ARGS__()))
-
-// Evaluates to _Then if _Cond is 1 and _Else if _Cond is 0.
-#define GMOCK_PP_IF(_Cond, _Then, _Else) \
-  GMOCK_PP_CAT(GMOCK_PP_INTERNAL_IF_, _Cond)(_Then, _Else)
-
-// Similar to GMOCK_PP_IF but takes _Then and _Else in parentheses.
-//
-// GMOCK_PP_GENERIC_IF(1, (a, b, c), (d, e, f)) => a, b, c
-// GMOCK_PP_GENERIC_IF(0, (a, b, c), (d, e, f)) => d, e, f
-//
-#define GMOCK_PP_GENERIC_IF(_Cond, _Then, _Else) \
-  GMOCK_PP_REMOVE_PARENS(GMOCK_PP_IF(_Cond, _Then, _Else))
-
-// Evaluates to the number of arguments after expansion. Identifies 'empty' as
-// 0.
-//
-//   #define PAIR x, y
-//
-//   GMOCK_PP_NARG0() => 0
-//   GMOCK_PP_NARG0(x) => 1
-//   GMOCK_PP_NARG0(x, y) => 2
-//   GMOCK_PP_NARG0(PAIR) => 2
-//
-// Requires: * the number of arguments after expansion is at most 15.
-//           * If the argument is a macro, it must be able to be called with one
-//             argument.
-#define GMOCK_PP_NARG0(...) \
-  GMOCK_PP_IF(GMOCK_PP_IS_EMPTY(__VA_ARGS__), 0, GMOCK_PP_NARG(__VA_ARGS__))
-
-// Expands to 1 if the first argument starts with something in parentheses,
-// otherwise to 0.
-#define GMOCK_PP_IS_BEGIN_PARENS(...)                              \
-  GMOCK_PP_HEAD(GMOCK_PP_CAT(GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_R_, \
-                             GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_C __VA_ARGS__))
-
-// Expands to 1 is there is only one argument and it is enclosed in parentheses.
-#define GMOCK_PP_IS_ENCLOSED_PARENS(...)             \
-  GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(__VA_ARGS__), \
-              GMOCK_PP_IS_EMPTY(GMOCK_PP_EMPTY __VA_ARGS__), 0)
-
-// Remove the parens, requires GMOCK_PP_IS_ENCLOSED_PARENS(args) => 1.
-#define GMOCK_PP_REMOVE_PARENS(...) GMOCK_PP_INTERNAL_REMOVE_PARENS __VA_ARGS__
-
-// Expands to _Macro(0, _Data, e1) _Macro(1, _Data, e2) ... _Macro(K -1, _Data,
-// eK) as many of GMOCK_INTERNAL_NARG0 _Tuple.
-// Requires: * |_Macro| can be called with 3 arguments.
-//           * |_Tuple| expansion has no more than 15 elements.
-#define GMOCK_PP_FOR_EACH(_Macro, _Data, _Tuple)                        \
-  GMOCK_PP_CAT(GMOCK_PP_INTERNAL_FOR_EACH_IMPL_, GMOCK_PP_NARG0 _Tuple) \
-  (0, _Macro, _Data, _Tuple)
-
-// Expands to _Macro(0, _Data, ) _Macro(1, _Data, ) ... _Macro(K - 1, _Data, )
-// Empty if _K = 0.
-// Requires: * |_Macro| can be called with 3 arguments.
-//           * |_K| literal between 0 and 15
-#define GMOCK_PP_REPEAT(_Macro, _Data, _N)           \
-  GMOCK_PP_CAT(GMOCK_PP_INTERNAL_FOR_EACH_IMPL_, _N) \
-  (0, _Macro, _Data, GMOCK_PP_INTENRAL_EMPTY_TUPLE)
-
-// Increments the argument, requires the argument to be between 0 and 15.
-#define GMOCK_PP_INC(_i) GMOCK_PP_CAT(GMOCK_PP_INTERNAL_INC_, _i)
-
-// Returns comma if _i != 0. Requires _i to be between 0 and 15.
-#define GMOCK_PP_COMMA_IF(_i) GMOCK_PP_CAT(GMOCK_PP_INTERNAL_COMMA_IF_, _i)
-
-// Internal details follow. Do not use any of these symbols outside of this
-// file or we will break your code.
-#define GMOCK_PP_INTENRAL_EMPTY_TUPLE (, , , , , , , , , , , , , , , )
-#define GMOCK_PP_INTERNAL_CAT(_1, _2) _1##_2
-#define GMOCK_PP_INTERNAL_STRINGIZE(...) #__VA_ARGS__
-#define GMOCK_PP_INTERNAL_CAT_5(_1, _2, _3, _4, _5) _1##_2##_3##_4##_5
-#define GMOCK_PP_INTERNAL_IS_EMPTY(_1, _2, _3, _4)                             \
-  GMOCK_PP_HAS_COMMA(GMOCK_PP_INTERNAL_CAT_5(GMOCK_PP_INTERNAL_IS_EMPTY_CASE_, \
-                                             _1, _2, _3, _4))
-#define GMOCK_PP_INTERNAL_IS_EMPTY_CASE_0001 ,
-#define GMOCK_PP_INTERNAL_IF_1(_Then, _Else) _Then
-#define GMOCK_PP_INTERNAL_IF_0(_Then, _Else) _Else
-
-// Because of MSVC treating a token with a comma in it as a single token when
-// passed to another macro, we need to force it to evaluate it as multiple
-// tokens. We do that by using a "IDENTITY(MACRO PARENTHESIZED_ARGS)" macro. We
-// define one per possible macro that relies on this behavior. Note "_Args" must
-// be parenthesized.
-#define GMOCK_PP_INTERNAL_INTERNAL_16TH(_1, _2, _3, _4, _5, _6, _7, _8, _9, \
-                                        _10, _11, _12, _13, _14, _15, _16,  \
-                                        ...)                                \
-  _16
-#define GMOCK_PP_INTERNAL_16TH(_Args) \
-  GMOCK_PP_IDENTITY(GMOCK_PP_INTERNAL_INTERNAL_16TH _Args)
-#define GMOCK_PP_INTERNAL_INTERNAL_HEAD(_1, ...) _1
-#define GMOCK_PP_INTERNAL_HEAD(_Args) \
-  GMOCK_PP_IDENTITY(GMOCK_PP_INTERNAL_INTERNAL_HEAD _Args)
-#define GMOCK_PP_INTERNAL_INTERNAL_TAIL(_1, ...) __VA_ARGS__
-#define GMOCK_PP_INTERNAL_TAIL(_Args) \
-  GMOCK_PP_IDENTITY(GMOCK_PP_INTERNAL_INTERNAL_TAIL _Args)
-
-#define GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_C(...) 1 _
-#define GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_R_1 1,
-#define GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_R_GMOCK_PP_INTERNAL_IBP_IS_VARIADIC_C \
-  0,
-#define GMOCK_PP_INTERNAL_REMOVE_PARENS(...) __VA_ARGS__
-#define GMOCK_PP_INTERNAL_INC_0 1
-#define GMOCK_PP_INTERNAL_INC_1 2
-#define GMOCK_PP_INTERNAL_INC_2 3
-#define GMOCK_PP_INTERNAL_INC_3 4
-#define GMOCK_PP_INTERNAL_INC_4 5
-#define GMOCK_PP_INTERNAL_INC_5 6
-#define GMOCK_PP_INTERNAL_INC_6 7
-#define GMOCK_PP_INTERNAL_INC_7 8
-#define GMOCK_PP_INTERNAL_INC_8 9
-#define GMOCK_PP_INTERNAL_INC_9 10
-#define GMOCK_PP_INTERNAL_INC_10 11
-#define GMOCK_PP_INTERNAL_INC_11 12
-#define GMOCK_PP_INTERNAL_INC_12 13
-#define GMOCK_PP_INTERNAL_INC_13 14
-#define GMOCK_PP_INTERNAL_INC_14 15
-#define GMOCK_PP_INTERNAL_INC_15 16
-#define GMOCK_PP_INTERNAL_COMMA_IF_0
-#define GMOCK_PP_INTERNAL_COMMA_IF_1 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_2 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_3 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_4 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_5 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_6 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_7 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_8 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_9 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_10 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_11 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_12 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_13 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_14 ,
-#define GMOCK_PP_INTERNAL_COMMA_IF_15 ,
-#define GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, _element) \
-  _Macro(_i, _Data, _element)
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_0(_i, _Macro, _Data, _Tuple)
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_1(_i, _Macro, _Data, _Tuple) \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple)
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_2(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_1(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_3(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_2(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_4(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_3(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_5(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_4(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_6(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_5(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_7(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_6(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_8(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_7(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_9(_i, _Macro, _Data, _Tuple)    \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_8(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_10(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_9(GMOCK_PP_INC(_i), _Macro, _Data,    \
-                                    (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_11(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_10(GMOCK_PP_INC(_i), _Macro, _Data,   \
-                                     (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_12(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_11(GMOCK_PP_INC(_i), _Macro, _Data,   \
-                                     (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_13(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_12(GMOCK_PP_INC(_i), _Macro, _Data,   \
-                                     (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_14(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_13(GMOCK_PP_INC(_i), _Macro, _Data,   \
-                                     (GMOCK_PP_TAIL _Tuple))
-#define GMOCK_PP_INTERNAL_FOR_EACH_IMPL_15(_i, _Macro, _Data, _Tuple)   \
-  GMOCK_PP_INTERNAL_CALL_MACRO(_Macro, _i, _Data, GMOCK_PP_HEAD _Tuple) \
-  GMOCK_PP_INTERNAL_FOR_EACH_IMPL_14(GMOCK_PP_INC(_i), _Macro, _Data,   \
-                                     (GMOCK_PP_TAIL _Tuple))
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PP_H_
-
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4100)
-#endif
-
-namespace testing {
-
-// To implement an action Foo, define:
-//   1. a class FooAction that implements the ActionInterface interface, and
-//   2. a factory function that creates an Action object from a
-//      const FooAction*.
-//
-// The two-level delegation design follows that of Matcher, providing
-// consistency for extension developers.  It also eases ownership
-// management as Action objects can now be copied like plain values.
-
-namespace internal {
-
-// BuiltInDefaultValueGetter<T, true>::Get() returns a
-// default-constructed T value.  BuiltInDefaultValueGetter<T,
-// false>::Get() crashes with an error.
-//
-// This primary template is used when kDefaultConstructible is true.
-template <typename T, bool kDefaultConstructible>
-struct BuiltInDefaultValueGetter {
-  static T Get() { return T(); }
-};
-template <typename T>
-struct BuiltInDefaultValueGetter<T, false> {
-  static T Get() {
-    Assert(false, __FILE__, __LINE__,
-           "Default action undefined for the function return type.");
-    return internal::Invalid<T>();
-    // The above statement will never be reached, but is required in
-    // order for this function to compile.
-  }
-};
-
-// BuiltInDefaultValue<T>::Get() returns the "built-in" default value
-// for type T, which is NULL when T is a raw pointer type, 0 when T is
-// a numeric type, false when T is bool, or "" when T is string or
-// std::string.  In addition, in C++11 and above, it turns a
-// default-constructed T value if T is default constructible.  For any
-// other type T, the built-in default T value is undefined, and the
-// function will abort the process.
-template <typename T>
-class BuiltInDefaultValue {
- public:
-  // This function returns true if and only if type T has a built-in default
-  // value.
-  static bool Exists() {
-    return ::std::is_default_constructible<T>::value;
-  }
-
-  static T Get() {
-    return BuiltInDefaultValueGetter<
-        T, ::std::is_default_constructible<T>::value>::Get();
-  }
-};
-
-// This partial specialization says that we use the same built-in
-// default value for T and const T.
-template <typename T>
-class BuiltInDefaultValue<const T> {
- public:
-  static bool Exists() { return BuiltInDefaultValue<T>::Exists(); }
-  static T Get() { return BuiltInDefaultValue<T>::Get(); }
-};
-
-// This partial specialization defines the default values for pointer
-// types.
-template <typename T>
-class BuiltInDefaultValue<T*> {
- public:
-  static bool Exists() { return true; }
-  static T* Get() { return nullptr; }
-};
-
-// The following specializations define the default values for
-// specific types we care about.
-#define GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(type, value) \
-  template <> \
-  class BuiltInDefaultValue<type> { \
-   public: \
-    static bool Exists() { return true; } \
-    static type Get() { return value; } \
-  }
-
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(void, );  // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(::std::string, "");
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(bool, false);
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(unsigned char, '\0');
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(signed char, '\0');
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(char, '\0');
-
-// There's no need for a default action for signed wchar_t, as that
-// type is the same as wchar_t for gcc, and invalid for MSVC.
-//
-// There's also no need for a default action for unsigned wchar_t, as
-// that type is the same as unsigned int for gcc, and invalid for
-// MSVC.
-#if GMOCK_WCHAR_T_IS_NATIVE_
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(wchar_t, 0U);  // NOLINT
-#endif
-
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(unsigned short, 0U);  // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(signed short, 0);     // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(unsigned int, 0U);
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(signed int, 0);
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(unsigned long, 0UL);  // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(signed long, 0L);     // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(unsigned long long, 0);  // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(signed long long, 0);  // NOLINT
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(float, 0);
-GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_(double, 0);
-
-#undef GMOCK_DEFINE_DEFAULT_ACTION_FOR_RETURN_TYPE_
-
-// Simple two-arg form of std::disjunction.
-template <typename P, typename Q>
-using disjunction = typename ::std::conditional<P::value, P, Q>::type;
-
-}  // namespace internal
-
-// When an unexpected function call is encountered, Google Mock will
-// let it return a default value if the user has specified one for its
-// return type, or if the return type has a built-in default value;
-// otherwise Google Mock won't know what value to return and will have
-// to abort the process.
-//
-// The DefaultValue<T> class allows a user to specify the
-// default value for a type T that is both copyable and publicly
-// destructible (i.e. anything that can be used as a function return
-// type).  The usage is:
-//
-//   // Sets the default value for type T to be foo.
-//   DefaultValue<T>::Set(foo);
-template <typename T>
-class DefaultValue {
- public:
-  // Sets the default value for type T; requires T to be
-  // copy-constructable and have a public destructor.
-  static void Set(T x) {
-    delete producer_;
-    producer_ = new FixedValueProducer(x);
-  }
-
-  // Provides a factory function to be called to generate the default value.
-  // This method can be used even if T is only move-constructible, but it is not
-  // limited to that case.
-  typedef T (*FactoryFunction)();
-  static void SetFactory(FactoryFunction factory) {
-    delete producer_;
-    producer_ = new FactoryValueProducer(factory);
-  }
-
-  // Unsets the default value for type T.
-  static void Clear() {
-    delete producer_;
-    producer_ = nullptr;
-  }
-
-  // Returns true if and only if the user has set the default value for type T.
-  static bool IsSet() { return producer_ != nullptr; }
-
-  // Returns true if T has a default return value set by the user or there
-  // exists a built-in default value.
-  static bool Exists() {
-    return IsSet() || internal::BuiltInDefaultValue<T>::Exists();
-  }
-
-  // Returns the default value for type T if the user has set one;
-  // otherwise returns the built-in default value. Requires that Exists()
-  // is true, which ensures that the return value is well-defined.
-  static T Get() {
-    return producer_ == nullptr ? internal::BuiltInDefaultValue<T>::Get()
-                                : producer_->Produce();
-  }
-
- private:
-  class ValueProducer {
-   public:
-    virtual ~ValueProducer() {}
-    virtual T Produce() = 0;
-  };
-
-  class FixedValueProducer : public ValueProducer {
-   public:
-    explicit FixedValueProducer(T value) : value_(value) {}
-    T Produce() override { return value_; }
-
-   private:
-    const T value_;
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(FixedValueProducer);
-  };
-
-  class FactoryValueProducer : public ValueProducer {
-   public:
-    explicit FactoryValueProducer(FactoryFunction factory)
-        : factory_(factory) {}
-    T Produce() override { return factory_(); }
-
-   private:
-    const FactoryFunction factory_;
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(FactoryValueProducer);
-  };
-
-  static ValueProducer* producer_;
-};
-
-// This partial specialization allows a user to set default values for
-// reference types.
-template <typename T>
-class DefaultValue<T&> {
- public:
-  // Sets the default value for type T&.
-  static void Set(T& x) {  // NOLINT
-    address_ = &x;
-  }
-
-  // Unsets the default value for type T&.
-  static void Clear() { address_ = nullptr; }
-
-  // Returns true if and only if the user has set the default value for type T&.
-  static bool IsSet() { return address_ != nullptr; }
-
-  // Returns true if T has a default return value set by the user or there
-  // exists a built-in default value.
-  static bool Exists() {
-    return IsSet() || internal::BuiltInDefaultValue<T&>::Exists();
-  }
-
-  // Returns the default value for type T& if the user has set one;
-  // otherwise returns the built-in default value if there is one;
-  // otherwise aborts the process.
-  static T& Get() {
-    return address_ == nullptr ? internal::BuiltInDefaultValue<T&>::Get()
-                               : *address_;
-  }
-
- private:
-  static T* address_;
-};
-
-// This specialization allows DefaultValue<void>::Get() to
-// compile.
-template <>
-class DefaultValue<void> {
- public:
-  static bool Exists() { return true; }
-  static void Get() {}
-};
-
-// Points to the user-set default value for type T.
-template <typename T>
-typename DefaultValue<T>::ValueProducer* DefaultValue<T>::producer_ = nullptr;
-
-// Points to the user-set default value for type T&.
-template <typename T>
-T* DefaultValue<T&>::address_ = nullptr;
-
-// Implement this interface to define an action for function type F.
-template <typename F>
-class ActionInterface {
- public:
-  typedef typename internal::Function<F>::Result Result;
-  typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
-
-  ActionInterface() {}
-  virtual ~ActionInterface() {}
-
-  // Performs the action.  This method is not const, as in general an
-  // action can have side effects and be stateful.  For example, a
-  // get-the-next-element-from-the-collection action will need to
-  // remember the current element.
-  virtual Result Perform(const ArgumentTuple& args) = 0;
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ActionInterface);
-};
-
-// An Action<F> is a copyable and IMMUTABLE (except by assignment)
-// object that represents an action to be taken when a mock function
-// of type F is called.  The implementation of Action<T> is just a
-// std::shared_ptr to const ActionInterface<T>. Don't inherit from Action!
-// You can view an object implementing ActionInterface<F> as a
-// concrete action (including its current state), and an Action<F>
-// object as a handle to it.
-template <typename F>
-class Action {
-  // Adapter class to allow constructing Action from a legacy ActionInterface.
-  // New code should create Actions from functors instead.
-  struct ActionAdapter {
-    // Adapter must be copyable to satisfy std::function requirements.
-    ::std::shared_ptr<ActionInterface<F>> impl_;
-
-    template <typename... Args>
-    typename internal::Function<F>::Result operator()(Args&&... args) {
-      return impl_->Perform(
-          ::std::forward_as_tuple(::std::forward<Args>(args)...));
-    }
-  };
-
-  template <typename G>
-  using IsCompatibleFunctor = std::is_constructible<std::function<F>, G>;
-
- public:
-  typedef typename internal::Function<F>::Result Result;
-  typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
-
-  // Constructs a null Action.  Needed for storing Action objects in
-  // STL containers.
-  Action() {}
-
-  // Construct an Action from a specified callable.
-  // This cannot take std::function directly, because then Action would not be
-  // directly constructible from lambda (it would require two conversions).
-  template <
-      typename G,
-      typename = typename std::enable_if<internal::disjunction<
-          IsCompatibleFunctor<G>, std::is_constructible<std::function<Result()>,
-                                                        G>>::value>::type>
-  Action(G&& fun) {  // NOLINT
-    Init(::std::forward<G>(fun), IsCompatibleFunctor<G>());
-  }
-
-  // Constructs an Action from its implementation.
-  explicit Action(ActionInterface<F>* impl)
-      : fun_(ActionAdapter{::std::shared_ptr<ActionInterface<F>>(impl)}) {}
-
-  // This constructor allows us to turn an Action<Func> object into an
-  // Action<F>, as long as F's arguments can be implicitly converted
-  // to Func's and Func's return type can be implicitly converted to F's.
-  template <typename Func>
-  explicit Action(const Action<Func>& action) : fun_(action.fun_) {}
-
-  // Returns true if and only if this is the DoDefault() action.
-  bool IsDoDefault() const { return fun_ == nullptr; }
-
-  // Performs the action.  Note that this method is const even though
-  // the corresponding method in ActionInterface is not.  The reason
-  // is that a const Action<F> means that it cannot be re-bound to
-  // another concrete action, not that the concrete action it binds to
-  // cannot change state.  (Think of the difference between a const
-  // pointer and a pointer to const.)
-  Result Perform(ArgumentTuple args) const {
-    if (IsDoDefault()) {
-      internal::IllegalDoDefault(__FILE__, __LINE__);
-    }
-    return internal::Apply(fun_, ::std::move(args));
-  }
-
- private:
-  template <typename G>
-  friend class Action;
-
-  template <typename G>
-  void Init(G&& g, ::std::true_type) {
-    fun_ = ::std::forward<G>(g);
-  }
-
-  template <typename G>
-  void Init(G&& g, ::std::false_type) {
-    fun_ = IgnoreArgs<typename ::std::decay<G>::type>{::std::forward<G>(g)};
-  }
-
-  template <typename FunctionImpl>
-  struct IgnoreArgs {
-    template <typename... Args>
-    Result operator()(const Args&...) const {
-      return function_impl();
-    }
-
-    FunctionImpl function_impl;
-  };
-
-  // fun_ is an empty function if and only if this is the DoDefault() action.
-  ::std::function<F> fun_;
-};
-
-// The PolymorphicAction class template makes it easy to implement a
-// polymorphic action (i.e. an action that can be used in mock
-// functions of than one type, e.g. Return()).
-//
-// To define a polymorphic action, a user first provides a COPYABLE
-// implementation class that has a Perform() method template:
-//
-//   class FooAction {
-//    public:
-//     template <typename Result, typename ArgumentTuple>
-//     Result Perform(const ArgumentTuple& args) const {
-//       // Processes the arguments and returns a result, using
-//       // std::get<N>(args) to get the N-th (0-based) argument in the tuple.
-//     }
-//     ...
-//   };
-//
-// Then the user creates the polymorphic action using
-// MakePolymorphicAction(object) where object has type FooAction.  See
-// the definition of Return(void) and SetArgumentPointee<N>(value) for
-// complete examples.
-template <typename Impl>
-class PolymorphicAction {
- public:
-  explicit PolymorphicAction(const Impl& impl) : impl_(impl) {}
-
-  template <typename F>
-  operator Action<F>() const {
-    return Action<F>(new MonomorphicImpl<F>(impl_));
-  }
-
- private:
-  template <typename F>
-  class MonomorphicImpl : public ActionInterface<F> {
-   public:
-    typedef typename internal::Function<F>::Result Result;
-    typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
-
-    explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {}
-
-    Result Perform(const ArgumentTuple& args) override {
-      return impl_.template Perform<Result>(args);
-    }
-
-   private:
-    Impl impl_;
-  };
-
-  Impl impl_;
-};
-
-// Creates an Action from its implementation and returns it.  The
-// created Action object owns the implementation.
-template <typename F>
-Action<F> MakeAction(ActionInterface<F>* impl) {
-  return Action<F>(impl);
-}
-
-// Creates a polymorphic action from its implementation.  This is
-// easier to use than the PolymorphicAction<Impl> constructor as it
-// doesn't require you to explicitly write the template argument, e.g.
-//
-//   MakePolymorphicAction(foo);
-// vs
-//   PolymorphicAction<TypeOfFoo>(foo);
-template <typename Impl>
-inline PolymorphicAction<Impl> MakePolymorphicAction(const Impl& impl) {
-  return PolymorphicAction<Impl>(impl);
-}
-
-namespace internal {
-
-// Helper struct to specialize ReturnAction to execute a move instead of a copy
-// on return. Useful for move-only types, but could be used on any type.
-template <typename T>
-struct ByMoveWrapper {
-  explicit ByMoveWrapper(T value) : payload(std::move(value)) {}
-  T payload;
-};
-
-// Implements the polymorphic Return(x) action, which can be used in
-// any function that returns the type of x, regardless of the argument
-// types.
-//
-// Note: The value passed into Return must be converted into
-// Function<F>::Result when this action is cast to Action<F> rather than
-// when that action is performed. This is important in scenarios like
-//
-// MOCK_METHOD1(Method, T(U));
-// ...
-// {
-//   Foo foo;
-//   X x(&foo);
-//   EXPECT_CALL(mock, Method(_)).WillOnce(Return(x));
-// }
-//
-// In the example above the variable x holds reference to foo which leaves
-// scope and gets destroyed.  If copying X just copies a reference to foo,
-// that copy will be left with a hanging reference.  If conversion to T
-// makes a copy of foo, the above code is safe. To support that scenario, we
-// need to make sure that the type conversion happens inside the EXPECT_CALL
-// statement, and conversion of the result of Return to Action<T(U)> is a
-// good place for that.
-//
-// The real life example of the above scenario happens when an invocation
-// of gtl::Container() is passed into Return.
-//
-template <typename R>
-class ReturnAction {
- public:
-  // Constructs a ReturnAction object from the value to be returned.
-  // 'value' is passed by value instead of by const reference in order
-  // to allow Return("string literal") to compile.
-  explicit ReturnAction(R value) : value_(new R(std::move(value))) {}
-
-  // This template type conversion operator allows Return(x) to be
-  // used in ANY function that returns x's type.
-  template <typename F>
-  operator Action<F>() const {  // NOLINT
-    // Assert statement belongs here because this is the best place to verify
-    // conditions on F. It produces the clearest error messages
-    // in most compilers.
-    // Impl really belongs in this scope as a local class but can't
-    // because MSVC produces duplicate symbols in different translation units
-    // in this case. Until MS fixes that bug we put Impl into the class scope
-    // and put the typedef both here (for use in assert statement) and
-    // in the Impl class. But both definitions must be the same.
-    typedef typename Function<F>::Result Result;
-    GTEST_COMPILE_ASSERT_(
-        !std::is_reference<Result>::value,
-        use_ReturnRef_instead_of_Return_to_return_a_reference);
-    static_assert(!std::is_void<Result>::value,
-                  "Can't use Return() on an action expected to return `void`.");
-    return Action<F>(new Impl<R, F>(value_));
-  }
-
- private:
-  // Implements the Return(x) action for a particular function type F.
-  template <typename R_, typename F>
-  class Impl : public ActionInterface<F> {
-   public:
-    typedef typename Function<F>::Result Result;
-    typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-
-    // The implicit cast is necessary when Result has more than one
-    // single-argument constructor (e.g. Result is std::vector<int>) and R
-    // has a type conversion operator template.  In that case, value_(value)
-    // won't compile as the compiler doesn't known which constructor of
-    // Result to call.  ImplicitCast_ forces the compiler to convert R to
-    // Result without considering explicit constructors, thus resolving the
-    // ambiguity. value_ is then initialized using its copy constructor.
-    explicit Impl(const std::shared_ptr<R>& value)
-        : value_before_cast_(*value),
-          value_(ImplicitCast_<Result>(value_before_cast_)) {}
-
-    Result Perform(const ArgumentTuple&) override { return value_; }
-
-   private:
-    GTEST_COMPILE_ASSERT_(!std::is_reference<Result>::value,
-                          Result_cannot_be_a_reference_type);
-    // We save the value before casting just in case it is being cast to a
-    // wrapper type.
-    R value_before_cast_;
-    Result value_;
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(Impl);
-  };
-
-  // Partially specialize for ByMoveWrapper. This version of ReturnAction will
-  // move its contents instead.
-  template <typename R_, typename F>
-  class Impl<ByMoveWrapper<R_>, F> : public ActionInterface<F> {
-   public:
-    typedef typename Function<F>::Result Result;
-    typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-
-    explicit Impl(const std::shared_ptr<R>& wrapper)
-        : performed_(false), wrapper_(wrapper) {}
-
-    Result Perform(const ArgumentTuple&) override {
-      GTEST_CHECK_(!performed_)
-          << "A ByMove() action should only be performed once.";
-      performed_ = true;
-      return std::move(wrapper_->payload);
-    }
-
-   private:
-    bool performed_;
-    const std::shared_ptr<R> wrapper_;
-  };
-
-  const std::shared_ptr<R> value_;
-};
-
-// Implements the ReturnNull() action.
-class ReturnNullAction {
- public:
-  // Allows ReturnNull() to be used in any pointer-returning function. In C++11
-  // this is enforced by returning nullptr, and in non-C++11 by asserting a
-  // pointer type on compile time.
-  template <typename Result, typename ArgumentTuple>
-  static Result Perform(const ArgumentTuple&) {
-    return nullptr;
-  }
-};
-
-// Implements the Return() action.
-class ReturnVoidAction {
- public:
-  // Allows Return() to be used in any void-returning function.
-  template <typename Result, typename ArgumentTuple>
-  static void Perform(const ArgumentTuple&) {
-    static_assert(std::is_void<Result>::value, "Result should be void.");
-  }
-};
-
-// Implements the polymorphic ReturnRef(x) action, which can be used
-// in any function that returns a reference to the type of x,
-// regardless of the argument types.
-template <typename T>
-class ReturnRefAction {
- public:
-  // Constructs a ReturnRefAction object from the reference to be returned.
-  explicit ReturnRefAction(T& ref) : ref_(ref) {}  // NOLINT
-
-  // This template type conversion operator allows ReturnRef(x) to be
-  // used in ANY function that returns a reference to x's type.
-  template <typename F>
-  operator Action<F>() const {
-    typedef typename Function<F>::Result Result;
-    // Asserts that the function return type is a reference.  This
-    // catches the user error of using ReturnRef(x) when Return(x)
-    // should be used, and generates some helpful error message.
-    GTEST_COMPILE_ASSERT_(std::is_reference<Result>::value,
-                          use_Return_instead_of_ReturnRef_to_return_a_value);
-    return Action<F>(new Impl<F>(ref_));
-  }
-
- private:
-  // Implements the ReturnRef(x) action for a particular function type F.
-  template <typename F>
-  class Impl : public ActionInterface<F> {
-   public:
-    typedef typename Function<F>::Result Result;
-    typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-
-    explicit Impl(T& ref) : ref_(ref) {}  // NOLINT
-
-    Result Perform(const ArgumentTuple&) override { return ref_; }
-
-   private:
-    T& ref_;
-  };
-
-  T& ref_;
-};
-
-// Implements the polymorphic ReturnRefOfCopy(x) action, which can be
-// used in any function that returns a reference to the type of x,
-// regardless of the argument types.
-template <typename T>
-class ReturnRefOfCopyAction {
- public:
-  // Constructs a ReturnRefOfCopyAction object from the reference to
-  // be returned.
-  explicit ReturnRefOfCopyAction(const T& value) : value_(value) {}  // NOLINT
-
-  // This template type conversion operator allows ReturnRefOfCopy(x) to be
-  // used in ANY function that returns a reference to x's type.
-  template <typename F>
-  operator Action<F>() const {
-    typedef typename Function<F>::Result Result;
-    // Asserts that the function return type is a reference.  This
-    // catches the user error of using ReturnRefOfCopy(x) when Return(x)
-    // should be used, and generates some helpful error message.
-    GTEST_COMPILE_ASSERT_(
-        std::is_reference<Result>::value,
-        use_Return_instead_of_ReturnRefOfCopy_to_return_a_value);
-    return Action<F>(new Impl<F>(value_));
-  }
-
- private:
-  // Implements the ReturnRefOfCopy(x) action for a particular function type F.
-  template <typename F>
-  class Impl : public ActionInterface<F> {
-   public:
-    typedef typename Function<F>::Result Result;
-    typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-
-    explicit Impl(const T& value) : value_(value) {}  // NOLINT
-
-    Result Perform(const ArgumentTuple&) override { return value_; }
-
-   private:
-    T value_;
-  };
-
-  const T value_;
-};
-
-// Implements the polymorphic ReturnRoundRobin(v) action, which can be
-// used in any function that returns the element_type of v.
-template <typename T>
-class ReturnRoundRobinAction {
- public:
-  explicit ReturnRoundRobinAction(std::vector<T> values) {
-    GTEST_CHECK_(!values.empty())
-        << "ReturnRoundRobin requires at least one element.";
-    state_->values = std::move(values);
-  }
-
-  template <typename... Args>
-  T operator()(Args&&...) const {
-     return state_->Next();
-  }
-
- private:
-  struct State {
-    T Next() {
-      T ret_val = values[i++];
-      if (i == values.size()) i = 0;
-      return ret_val;
-    }
-
-    std::vector<T> values;
-    size_t i = 0;
-  };
-  std::shared_ptr<State> state_ = std::make_shared<State>();
-};
-
-// Implements the polymorphic DoDefault() action.
-class DoDefaultAction {
- public:
-  // This template type conversion operator allows DoDefault() to be
-  // used in any function.
-  template <typename F>
-  operator Action<F>() const { return Action<F>(); }  // NOLINT
-};
-
-// Implements the Assign action to set a given pointer referent to a
-// particular value.
-template <typename T1, typename T2>
-class AssignAction {
- public:
-  AssignAction(T1* ptr, T2 value) : ptr_(ptr), value_(value) {}
-
-  template <typename Result, typename ArgumentTuple>
-  void Perform(const ArgumentTuple& /* args */) const {
-    *ptr_ = value_;
-  }
-
- private:
-  T1* const ptr_;
-  const T2 value_;
-};
-
-#if !GTEST_OS_WINDOWS_MOBILE
-
-// Implements the SetErrnoAndReturn action to simulate return from
-// various system calls and libc functions.
-template <typename T>
-class SetErrnoAndReturnAction {
- public:
-  SetErrnoAndReturnAction(int errno_value, T result)
-      : errno_(errno_value),
-        result_(result) {}
-  template <typename Result, typename ArgumentTuple>
-  Result Perform(const ArgumentTuple& /* args */) const {
-    errno = errno_;
-    return result_;
-  }
-
- private:
-  const int errno_;
-  const T result_;
-};
-
-#endif  // !GTEST_OS_WINDOWS_MOBILE
-
-// Implements the SetArgumentPointee<N>(x) action for any function
-// whose N-th argument (0-based) is a pointer to x's type.
-template <size_t N, typename A, typename = void>
-struct SetArgumentPointeeAction {
-  A value;
-
-  template <typename... Args>
-  void operator()(const Args&... args) const {
-    *::std::get<N>(std::tie(args...)) = value;
-  }
-};
-
-// Implements the Invoke(object_ptr, &Class::Method) action.
-template <class Class, typename MethodPtr>
-struct InvokeMethodAction {
-  Class* const obj_ptr;
-  const MethodPtr method_ptr;
-
-  template <typename... Args>
-  auto operator()(Args&&... args) const
-      -> decltype((obj_ptr->*method_ptr)(std::forward<Args>(args)...)) {
-    return (obj_ptr->*method_ptr)(std::forward<Args>(args)...);
-  }
-};
-
-// Implements the InvokeWithoutArgs(f) action.  The template argument
-// FunctionImpl is the implementation type of f, which can be either a
-// function pointer or a functor.  InvokeWithoutArgs(f) can be used as an
-// Action<F> as long as f's type is compatible with F.
-template <typename FunctionImpl>
-struct InvokeWithoutArgsAction {
-  FunctionImpl function_impl;
-
-  // Allows InvokeWithoutArgs(f) to be used as any action whose type is
-  // compatible with f.
-  template <typename... Args>
-  auto operator()(const Args&...) -> decltype(function_impl()) {
-    return function_impl();
-  }
-};
-
-// Implements the InvokeWithoutArgs(object_ptr, &Class::Method) action.
-template <class Class, typename MethodPtr>
-struct InvokeMethodWithoutArgsAction {
-  Class* const obj_ptr;
-  const MethodPtr method_ptr;
-
-  using ReturnType =
-      decltype((std::declval<Class*>()->*std::declval<MethodPtr>())());
-
-  template <typename... Args>
-  ReturnType operator()(const Args&...) const {
-    return (obj_ptr->*method_ptr)();
-  }
-};
-
-// Implements the IgnoreResult(action) action.
-template <typename A>
-class IgnoreResultAction {
- public:
-  explicit IgnoreResultAction(const A& action) : action_(action) {}
-
-  template <typename F>
-  operator Action<F>() const {
-    // Assert statement belongs here because this is the best place to verify
-    // conditions on F. It produces the clearest error messages
-    // in most compilers.
-    // Impl really belongs in this scope as a local class but can't
-    // because MSVC produces duplicate symbols in different translation units
-    // in this case. Until MS fixes that bug we put Impl into the class scope
-    // and put the typedef both here (for use in assert statement) and
-    // in the Impl class. But both definitions must be the same.
-    typedef typename internal::Function<F>::Result Result;
-
-    // Asserts at compile time that F returns void.
-    static_assert(std::is_void<Result>::value, "Result type should be void.");
-
-    return Action<F>(new Impl<F>(action_));
-  }
-
- private:
-  template <typename F>
-  class Impl : public ActionInterface<F> {
-   public:
-    typedef typename internal::Function<F>::Result Result;
-    typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
-
-    explicit Impl(const A& action) : action_(action) {}
-
-    void Perform(const ArgumentTuple& args) override {
-      // Performs the action and ignores its result.
-      action_.Perform(args);
-    }
-
-   private:
-    // Type OriginalFunction is the same as F except that its return
-    // type is IgnoredValue.
-    typedef typename internal::Function<F>::MakeResultIgnoredValue
-        OriginalFunction;
-
-    const Action<OriginalFunction> action_;
-  };
-
-  const A action_;
-};
-
-template <typename InnerAction, size_t... I>
-struct WithArgsAction {
-  InnerAction action;
-
-  // The inner action could be anything convertible to Action<X>.
-  // We use the conversion operator to detect the signature of the inner Action.
-  template <typename R, typename... Args>
-  operator Action<R(Args...)>() const {  // NOLINT
-    using TupleType = std::tuple<Args...>;
-    Action<R(typename std::tuple_element<I, TupleType>::type...)>
-        converted(action);
-
-    return [converted](Args... args) -> R {
-      return converted.Perform(std::forward_as_tuple(
-        std::get<I>(std::forward_as_tuple(std::forward<Args>(args)...))...));
-    };
-  }
-};
-
-template <typename... Actions>
-struct DoAllAction {
- private:
-  template <typename T>
-  using NonFinalType =
-      typename std::conditional<std::is_scalar<T>::value, T, const T&>::type;
-
-  template <typename ActionT, size_t... I>
-  std::vector<ActionT> Convert(IndexSequence<I...>) const {
-    return {ActionT(std::get<I>(actions))...};
-  }
-
- public:
-  std::tuple<Actions...> actions;
-
-  template <typename R, typename... Args>
-  operator Action<R(Args...)>() const {  // NOLINT
-    struct Op {
-      std::vector<Action<void(NonFinalType<Args>...)>> converted;
-      Action<R(Args...)> last;
-      R operator()(Args... args) const {
-        auto tuple_args = std::forward_as_tuple(std::forward<Args>(args)...);
-        for (auto& a : converted) {
-          a.Perform(tuple_args);
-        }
-        return last.Perform(std::move(tuple_args));
-      }
-    };
-    return Op{Convert<Action<void(NonFinalType<Args>...)>>(
-                  MakeIndexSequence<sizeof...(Actions) - 1>()),
-              std::get<sizeof...(Actions) - 1>(actions)};
-  }
-};
-
-template <typename T, typename... Params>
-struct ReturnNewAction {
-  T* operator()() const {
-    return internal::Apply(
-        [](const Params&... unpacked_params) {
-          return new T(unpacked_params...);
-        },
-        params);
-  }
-  std::tuple<Params...> params;
-};
-
-template <size_t k>
-struct ReturnArgAction {
-  template <typename... Args>
-  auto operator()(const Args&... args) const ->
-      typename std::tuple_element<k, std::tuple<Args...>>::type {
-    return std::get<k>(std::tie(args...));
-  }
-};
-
-template <size_t k, typename Ptr>
-struct SaveArgAction {
-  Ptr pointer;
-
-  template <typename... Args>
-  void operator()(const Args&... args) const {
-    *pointer = std::get<k>(std::tie(args...));
-  }
-};
-
-template <size_t k, typename Ptr>
-struct SaveArgPointeeAction {
-  Ptr pointer;
-
-  template <typename... Args>
-  void operator()(const Args&... args) const {
-    *pointer = *std::get<k>(std::tie(args...));
-  }
-};
-
-template <size_t k, typename T>
-struct SetArgRefereeAction {
-  T value;
-
-  template <typename... Args>
-  void operator()(Args&&... args) const {
-    using argk_type =
-        typename ::std::tuple_element<k, std::tuple<Args...>>::type;
-    static_assert(std::is_lvalue_reference<argk_type>::value,
-                  "Argument must be a reference type.");
-    std::get<k>(std::tie(args...)) = value;
-  }
-};
-
-template <size_t k, typename I1, typename I2>
-struct SetArrayArgumentAction {
-  I1 first;
-  I2 last;
-
-  template <typename... Args>
-  void operator()(const Args&... args) const {
-    auto value = std::get<k>(std::tie(args...));
-    for (auto it = first; it != last; ++it, (void)++value) {
-      *value = *it;
-    }
-  }
-};
-
-template <size_t k>
-struct DeleteArgAction {
-  template <typename... Args>
-  void operator()(const Args&... args) const {
-    delete std::get<k>(std::tie(args...));
-  }
-};
-
-template <typename Ptr>
-struct ReturnPointeeAction {
-  Ptr pointer;
-  template <typename... Args>
-  auto operator()(const Args&...) const -> decltype(*pointer) {
-    return *pointer;
-  }
-};
-
-#if GTEST_HAS_EXCEPTIONS
-template <typename T>
-struct ThrowAction {
-  T exception;
-  // We use a conversion operator to adapt to any return type.
-  template <typename R, typename... Args>
-  operator Action<R(Args...)>() const {  // NOLINT
-    T copy = exception;
-    return [copy](Args...) -> R { throw copy; };
-  }
-};
-#endif  // GTEST_HAS_EXCEPTIONS
-
-}  // namespace internal
-
-// An Unused object can be implicitly constructed from ANY value.
-// This is handy when defining actions that ignore some or all of the
-// mock function arguments.  For example, given
-//
-//   MOCK_METHOD3(Foo, double(const string& label, double x, double y));
-//   MOCK_METHOD3(Bar, double(int index, double x, double y));
-//
-// instead of
-//
-//   double DistanceToOriginWithLabel(const string& label, double x, double y) {
-//     return sqrt(x*x + y*y);
-//   }
-//   double DistanceToOriginWithIndex(int index, double x, double y) {
-//     return sqrt(x*x + y*y);
-//   }
-//   ...
-//   EXPECT_CALL(mock, Foo("abc", _, _))
-//       .WillOnce(Invoke(DistanceToOriginWithLabel));
-//   EXPECT_CALL(mock, Bar(5, _, _))
-//       .WillOnce(Invoke(DistanceToOriginWithIndex));
-//
-// you could write
-//
-//   // We can declare any uninteresting argument as Unused.
-//   double DistanceToOrigin(Unused, double x, double y) {
-//     return sqrt(x*x + y*y);
-//   }
-//   ...
-//   EXPECT_CALL(mock, Foo("abc", _, _)).WillOnce(Invoke(DistanceToOrigin));
-//   EXPECT_CALL(mock, Bar(5, _, _)).WillOnce(Invoke(DistanceToOrigin));
-typedef internal::IgnoredValue Unused;
-
-// Creates an action that does actions a1, a2, ..., sequentially in
-// each invocation. All but the last action will have a readonly view of the
-// arguments.
-template <typename... Action>
-internal::DoAllAction<typename std::decay<Action>::type...> DoAll(
-    Action&&... action) {
-  return {std::forward_as_tuple(std::forward<Action>(action)...)};
-}
-
-// WithArg<k>(an_action) creates an action that passes the k-th
-// (0-based) argument of the mock function to an_action and performs
-// it.  It adapts an action accepting one argument to one that accepts
-// multiple arguments.  For convenience, we also provide
-// WithArgs<k>(an_action) (defined below) as a synonym.
-template <size_t k, typename InnerAction>
-internal::WithArgsAction<typename std::decay<InnerAction>::type, k>
-WithArg(InnerAction&& action) {
-  return {std::forward<InnerAction>(action)};
-}
-
-// WithArgs<N1, N2, ..., Nk>(an_action) creates an action that passes
-// the selected arguments of the mock function to an_action and
-// performs it.  It serves as an adaptor between actions with
-// different argument lists.
-template <size_t k, size_t... ks, typename InnerAction>
-internal::WithArgsAction<typename std::decay<InnerAction>::type, k, ks...>
-WithArgs(InnerAction&& action) {
-  return {std::forward<InnerAction>(action)};
-}
-
-// WithoutArgs(inner_action) can be used in a mock function with a
-// non-empty argument list to perform inner_action, which takes no
-// argument.  In other words, it adapts an action accepting no
-// argument to one that accepts (and ignores) arguments.
-template <typename InnerAction>
-internal::WithArgsAction<typename std::decay<InnerAction>::type>
-WithoutArgs(InnerAction&& action) {
-  return {std::forward<InnerAction>(action)};
-}
-
-// Creates an action that returns 'value'.  'value' is passed by value
-// instead of const reference - otherwise Return("string literal")
-// will trigger a compiler error about using array as initializer.
-template <typename R>
-internal::ReturnAction<R> Return(R value) {
-  return internal::ReturnAction<R>(std::move(value));
-}
-
-// Creates an action that returns NULL.
-inline PolymorphicAction<internal::ReturnNullAction> ReturnNull() {
-  return MakePolymorphicAction(internal::ReturnNullAction());
-}
-
-// Creates an action that returns from a void function.
-inline PolymorphicAction<internal::ReturnVoidAction> Return() {
-  return MakePolymorphicAction(internal::ReturnVoidAction());
-}
-
-// Creates an action that returns the reference to a variable.
-template <typename R>
-inline internal::ReturnRefAction<R> ReturnRef(R& x) {  // NOLINT
-  return internal::ReturnRefAction<R>(x);
-}
-
-// Prevent using ReturnRef on reference to temporary.
-template <typename R, R* = nullptr>
-internal::ReturnRefAction<R> ReturnRef(R&&) = delete;
-
-// Creates an action that returns the reference to a copy of the
-// argument.  The copy is created when the action is constructed and
-// lives as long as the action.
-template <typename R>
-inline internal::ReturnRefOfCopyAction<R> ReturnRefOfCopy(const R& x) {
-  return internal::ReturnRefOfCopyAction<R>(x);
-}
-
-// Modifies the parent action (a Return() action) to perform a move of the
-// argument instead of a copy.
-// Return(ByMove()) actions can only be executed once and will assert this
-// invariant.
-template <typename R>
-internal::ByMoveWrapper<R> ByMove(R x) {
-  return internal::ByMoveWrapper<R>(std::move(x));
-}
-
-// Creates an action that returns an element of `vals`. Calling this action will
-// repeatedly return the next value from `vals` until it reaches the end and
-// will restart from the beginning.
-template <typename T>
-internal::ReturnRoundRobinAction<T> ReturnRoundRobin(std::vector<T> vals) {
-  return internal::ReturnRoundRobinAction<T>(std::move(vals));
-}
-
-// Creates an action that returns an element of `vals`. Calling this action will
-// repeatedly return the next value from `vals` until it reaches the end and
-// will restart from the beginning.
-template <typename T>
-internal::ReturnRoundRobinAction<T> ReturnRoundRobin(
-    std::initializer_list<T> vals) {
-  return internal::ReturnRoundRobinAction<T>(std::vector<T>(vals));
-}
-
-// Creates an action that does the default action for the give mock function.
-inline internal::DoDefaultAction DoDefault() {
-  return internal::DoDefaultAction();
-}
-
-// Creates an action that sets the variable pointed by the N-th
-// (0-based) function argument to 'value'.
-template <size_t N, typename T>
-internal::SetArgumentPointeeAction<N, T> SetArgPointee(T value) {
-  return {std::move(value)};
-}
-
-// The following version is DEPRECATED.
-template <size_t N, typename T>
-internal::SetArgumentPointeeAction<N, T> SetArgumentPointee(T value) {
-  return {std::move(value)};
-}
-
-// Creates an action that sets a pointer referent to a given value.
-template <typename T1, typename T2>
-PolymorphicAction<internal::AssignAction<T1, T2> > Assign(T1* ptr, T2 val) {
-  return MakePolymorphicAction(internal::AssignAction<T1, T2>(ptr, val));
-}
-
-#if !GTEST_OS_WINDOWS_MOBILE
-
-// Creates an action that sets errno and returns the appropriate error.
-template <typename T>
-PolymorphicAction<internal::SetErrnoAndReturnAction<T> >
-SetErrnoAndReturn(int errval, T result) {
-  return MakePolymorphicAction(
-      internal::SetErrnoAndReturnAction<T>(errval, result));
-}
-
-#endif  // !GTEST_OS_WINDOWS_MOBILE
-
-// Various overloads for Invoke().
-
-// Legacy function.
-// Actions can now be implicitly constructed from callables. No need to create
-// wrapper objects.
-// This function exists for backwards compatibility.
-template <typename FunctionImpl>
-typename std::decay<FunctionImpl>::type Invoke(FunctionImpl&& function_impl) {
-  return std::forward<FunctionImpl>(function_impl);
-}
-
-// Creates an action that invokes the given method on the given object
-// with the mock function's arguments.
-template <class Class, typename MethodPtr>
-internal::InvokeMethodAction<Class, MethodPtr> Invoke(Class* obj_ptr,
-                                                      MethodPtr method_ptr) {
-  return {obj_ptr, method_ptr};
-}
-
-// Creates an action that invokes 'function_impl' with no argument.
-template <typename FunctionImpl>
-internal::InvokeWithoutArgsAction<typename std::decay<FunctionImpl>::type>
-InvokeWithoutArgs(FunctionImpl function_impl) {
-  return {std::move(function_impl)};
-}
-
-// Creates an action that invokes the given method on the given object
-// with no argument.
-template <class Class, typename MethodPtr>
-internal::InvokeMethodWithoutArgsAction<Class, MethodPtr> InvokeWithoutArgs(
-    Class* obj_ptr, MethodPtr method_ptr) {
-  return {obj_ptr, method_ptr};
-}
-
-// Creates an action that performs an_action and throws away its
-// result.  In other words, it changes the return type of an_action to
-// void.  an_action MUST NOT return void, or the code won't compile.
-template <typename A>
-inline internal::IgnoreResultAction<A> IgnoreResult(const A& an_action) {
-  return internal::IgnoreResultAction<A>(an_action);
-}
-
-// Creates a reference wrapper for the given L-value.  If necessary,
-// you can explicitly specify the type of the reference.  For example,
-// suppose 'derived' is an object of type Derived, ByRef(derived)
-// would wrap a Derived&.  If you want to wrap a const Base& instead,
-// where Base is a base class of Derived, just write:
-//
-//   ByRef<const Base>(derived)
-//
-// N.B. ByRef is redundant with std::ref, std::cref and std::reference_wrapper.
-// However, it may still be used for consistency with ByMove().
-template <typename T>
-inline ::std::reference_wrapper<T> ByRef(T& l_value) {  // NOLINT
-  return ::std::reference_wrapper<T>(l_value);
-}
-
-// The ReturnNew<T>(a1, a2, ..., a_k) action returns a pointer to a new
-// instance of type T, constructed on the heap with constructor arguments
-// a1, a2, ..., and a_k. The caller assumes ownership of the returned value.
-template <typename T, typename... Params>
-internal::ReturnNewAction<T, typename std::decay<Params>::type...> ReturnNew(
-    Params&&... params) {
-  return {std::forward_as_tuple(std::forward<Params>(params)...)};
-}
-
-// Action ReturnArg<k>() returns the k-th argument of the mock function.
-template <size_t k>
-internal::ReturnArgAction<k> ReturnArg() {
-  return {};
-}
-
-// Action SaveArg<k>(pointer) saves the k-th (0-based) argument of the
-// mock function to *pointer.
-template <size_t k, typename Ptr>
-internal::SaveArgAction<k, Ptr> SaveArg(Ptr pointer) {
-  return {pointer};
-}
-
-// Action SaveArgPointee<k>(pointer) saves the value pointed to
-// by the k-th (0-based) argument of the mock function to *pointer.
-template <size_t k, typename Ptr>
-internal::SaveArgPointeeAction<k, Ptr> SaveArgPointee(Ptr pointer) {
-  return {pointer};
-}
-
-// Action SetArgReferee<k>(value) assigns 'value' to the variable
-// referenced by the k-th (0-based) argument of the mock function.
-template <size_t k, typename T>
-internal::SetArgRefereeAction<k, typename std::decay<T>::type> SetArgReferee(
-    T&& value) {
-  return {std::forward<T>(value)};
-}
-
-// Action SetArrayArgument<k>(first, last) copies the elements in
-// source range [first, last) to the array pointed to by the k-th
-// (0-based) argument, which can be either a pointer or an
-// iterator. The action does not take ownership of the elements in the
-// source range.
-template <size_t k, typename I1, typename I2>
-internal::SetArrayArgumentAction<k, I1, I2> SetArrayArgument(I1 first,
-                                                             I2 last) {
-  return {first, last};
-}
-
-// Action DeleteArg<k>() deletes the k-th (0-based) argument of the mock
-// function.
-template <size_t k>
-internal::DeleteArgAction<k> DeleteArg() {
-  return {};
-}
-
-// This action returns the value pointed to by 'pointer'.
-template <typename Ptr>
-internal::ReturnPointeeAction<Ptr> ReturnPointee(Ptr pointer) {
-  return {pointer};
-}
-
-// Action Throw(exception) can be used in a mock function of any type
-// to throw the given exception.  Any copyable value can be thrown.
-#if GTEST_HAS_EXCEPTIONS
-template <typename T>
-internal::ThrowAction<typename std::decay<T>::type> Throw(T&& exception) {
-  return {std::forward<T>(exception)};
-}
-#endif  // GTEST_HAS_EXCEPTIONS
-
-namespace internal {
-
-// A macro from the ACTION* family (defined later in gmock-generated-actions.h)
-// defines an action that can be used in a mock function.  Typically,
-// these actions only care about a subset of the arguments of the mock
-// function.  For example, if such an action only uses the second
-// argument, it can be used in any mock function that takes >= 2
-// arguments where the type of the second argument is compatible.
-//
-// Therefore, the action implementation must be prepared to take more
-// arguments than it needs.  The ExcessiveArg type is used to
-// represent those excessive arguments.  In order to keep the compiler
-// error messages tractable, we define it in the testing namespace
-// instead of testing::internal.  However, this is an INTERNAL TYPE
-// and subject to change without notice, so a user MUST NOT USE THIS
-// TYPE DIRECTLY.
-struct ExcessiveArg {};
-
-// Builds an implementation of an Action<> for some particular signature, using
-// a class defined by an ACTION* macro.
-template <typename F, typename Impl> struct ActionImpl;
-
-template <typename Impl>
-struct ImplBase {
-  struct Holder {
-    // Allows each copy of the Action<> to get to the Impl.
-    explicit operator const Impl&() const { return *ptr; }
-    std::shared_ptr<Impl> ptr;
-  };
-  using type = typename std::conditional<std::is_constructible<Impl>::value,
-                                         Impl, Holder>::type;
-};
-
-template <typename R, typename... Args, typename Impl>
-struct ActionImpl<R(Args...), Impl> : ImplBase<Impl>::type {
-  using Base = typename ImplBase<Impl>::type;
-  using function_type = R(Args...);
-  using args_type = std::tuple<Args...>;
-
-  ActionImpl() = default;  // Only defined if appropriate for Base.
-  explicit ActionImpl(std::shared_ptr<Impl> impl) : Base{std::move(impl)} { }
-
-  R operator()(Args&&... arg) const {
-    static constexpr size_t kMaxArgs =
-        sizeof...(Args) <= 10 ? sizeof...(Args) : 10;
-    return Apply(MakeIndexSequence<kMaxArgs>{},
-                 MakeIndexSequence<10 - kMaxArgs>{},
-                 args_type{std::forward<Args>(arg)...});
-  }
-
-  template <std::size_t... arg_id, std::size_t... excess_id>
-  R Apply(IndexSequence<arg_id...>, IndexSequence<excess_id...>,
-          const args_type& args) const {
-    // Impl need not be specific to the signature of action being implemented;
-    // only the implementing function body needs to have all of the specific
-    // types instantiated.  Up to 10 of the args that are provided by the
-    // args_type get passed, followed by a dummy of unspecified type for the
-    // remainder up to 10 explicit args.
-    static constexpr ExcessiveArg kExcessArg{};
-    return static_cast<const Impl&>(*this).template gmock_PerformImpl<
-        /*function_type=*/function_type, /*return_type=*/R,
-        /*args_type=*/args_type,
-        /*argN_type=*/typename std::tuple_element<arg_id, args_type>::type...>(
-        /*args=*/args, std::get<arg_id>(args)...,
-        ((void)excess_id, kExcessArg)...);
-  }
-};
-
-// Stores a default-constructed Impl as part of the Action<>'s
-// std::function<>. The Impl should be trivial to copy.
-template <typename F, typename Impl>
-::testing::Action<F> MakeAction() {
-  return ::testing::Action<F>(ActionImpl<F, Impl>());
-}
-
-// Stores just the one given instance of Impl.
-template <typename F, typename Impl>
-::testing::Action<F> MakeAction(std::shared_ptr<Impl> impl) {
-  return ::testing::Action<F>(ActionImpl<F, Impl>(std::move(impl)));
-}
-
-#define GMOCK_INTERNAL_ARG_UNUSED(i, data, el) \
-  , const arg##i##_type& arg##i GTEST_ATTRIBUTE_UNUSED_
-#define GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_           \
-  const args_type& args GTEST_ATTRIBUTE_UNUSED_ GMOCK_PP_REPEAT( \
-      GMOCK_INTERNAL_ARG_UNUSED, , 10)
-
-#define GMOCK_INTERNAL_ARG(i, data, el) , const arg##i##_type& arg##i
-#define GMOCK_ACTION_ARG_TYPES_AND_NAMES_ \
-  const args_type& args GMOCK_PP_REPEAT(GMOCK_INTERNAL_ARG, , 10)
-
-#define GMOCK_INTERNAL_TEMPLATE_ARG(i, data, el) , typename arg##i##_type
-#define GMOCK_ACTION_TEMPLATE_ARGS_NAMES_ \
-  GMOCK_PP_TAIL(GMOCK_PP_REPEAT(GMOCK_INTERNAL_TEMPLATE_ARG, , 10))
-
-#define GMOCK_INTERNAL_TYPENAME_PARAM(i, data, param) , typename param##_type
-#define GMOCK_ACTION_TYPENAME_PARAMS_(params) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_TYPENAME_PARAM, , params))
-
-#define GMOCK_INTERNAL_TYPE_PARAM(i, data, param) , param##_type
-#define GMOCK_ACTION_TYPE_PARAMS_(params) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_TYPE_PARAM, , params))
-
-#define GMOCK_INTERNAL_TYPE_GVALUE_PARAM(i, data, param) \
-  , param##_type gmock_p##i
-#define GMOCK_ACTION_TYPE_GVALUE_PARAMS_(params) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_TYPE_GVALUE_PARAM, , params))
-
-#define GMOCK_INTERNAL_GVALUE_PARAM(i, data, param) \
-  , std::forward<param##_type>(gmock_p##i)
-#define GMOCK_ACTION_GVALUE_PARAMS_(params) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GVALUE_PARAM, , params))
-
-#define GMOCK_INTERNAL_INIT_PARAM(i, data, param) \
-  , param(::std::forward<param##_type>(gmock_p##i))
-#define GMOCK_ACTION_INIT_PARAMS_(params) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_INIT_PARAM, , params))
-
-#define GMOCK_INTERNAL_FIELD_PARAM(i, data, param) param##_type param;
-#define GMOCK_ACTION_FIELD_PARAMS_(params) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_FIELD_PARAM, , params)
-
-#define GMOCK_INTERNAL_ACTION(name, full_name, params)                        \
-  template <GMOCK_ACTION_TYPENAME_PARAMS_(params)>                            \
-  class full_name {                                                           \
-   public:                                                                    \
-    explicit full_name(GMOCK_ACTION_TYPE_GVALUE_PARAMS_(params))              \
-        : impl_(std::make_shared<gmock_Impl>(                                 \
-                GMOCK_ACTION_GVALUE_PARAMS_(params))) { }                     \
-    full_name(const full_name&) = default;                                    \
-    full_name(full_name&&) noexcept = default;                                \
-    template <typename F>                                                     \
-    operator ::testing::Action<F>() const {                                   \
-      return ::testing::internal::MakeAction<F>(impl_);                       \
-    }                                                                         \
-   private:                                                                   \
-    class gmock_Impl {                                                        \
-     public:                                                                  \
-      explicit gmock_Impl(GMOCK_ACTION_TYPE_GVALUE_PARAMS_(params))           \
-          : GMOCK_ACTION_INIT_PARAMS_(params) {}                              \
-      template <typename function_type, typename return_type,                 \
-                typename args_type, GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>        \
-      return_type gmock_PerformImpl(GMOCK_ACTION_ARG_TYPES_AND_NAMES_) const; \
-      GMOCK_ACTION_FIELD_PARAMS_(params)                                      \
-    };                                                                        \
-    std::shared_ptr<const gmock_Impl> impl_;                                  \
-  };                                                                          \
-  template <GMOCK_ACTION_TYPENAME_PARAMS_(params)>                            \
-  inline full_name<GMOCK_ACTION_TYPE_PARAMS_(params)> name(                   \
-      GMOCK_ACTION_TYPE_GVALUE_PARAMS_(params)) {                             \
-    return full_name<GMOCK_ACTION_TYPE_PARAMS_(params)>(                      \
-        GMOCK_ACTION_GVALUE_PARAMS_(params));                                 \
-  }                                                                           \
-  template <GMOCK_ACTION_TYPENAME_PARAMS_(params)>                            \
-  template <typename function_type, typename return_type, typename args_type, \
-            GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>                                \
-  return_type full_name<GMOCK_ACTION_TYPE_PARAMS_(params)>::gmock_Impl::      \
-  gmock_PerformImpl(GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
-
-}  // namespace internal
-
-// Similar to GMOCK_INTERNAL_ACTION, but no bound parameters are stored.
-#define ACTION(name)                                                          \
-  class name##Action {                                                        \
-   public:                                                                    \
-   explicit name##Action() noexcept {}                                        \
-   name##Action(const name##Action&) noexcept {}                              \
-    template <typename F>                                                     \
-    operator ::testing::Action<F>() const {                                   \
-      return ::testing::internal::MakeAction<F, gmock_Impl>();                \
-    }                                                                         \
-   private:                                                                   \
-    class gmock_Impl {                                                        \
-     public:                                                                  \
-      template <typename function_type, typename return_type,                 \
-                typename args_type, GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>        \
-      return_type gmock_PerformImpl(GMOCK_ACTION_ARG_TYPES_AND_NAMES_) const; \
-    };                                                                        \
-  };                                                                          \
-  inline name##Action name() GTEST_MUST_USE_RESULT_;                          \
-  inline name##Action name() { return name##Action(); }                       \
-  template <typename function_type, typename return_type, typename args_type, \
-            GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>                                \
-  return_type name##Action::gmock_Impl::gmock_PerformImpl(                    \
-      GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
-
-#define ACTION_P(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP, (__VA_ARGS__))
-
-#define ACTION_P2(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP2, (__VA_ARGS__))
-
-#define ACTION_P3(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP3, (__VA_ARGS__))
-
-#define ACTION_P4(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP4, (__VA_ARGS__))
-
-#define ACTION_P5(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP5, (__VA_ARGS__))
-
-#define ACTION_P6(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP6, (__VA_ARGS__))
-
-#define ACTION_P7(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP7, (__VA_ARGS__))
-
-#define ACTION_P8(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP8, (__VA_ARGS__))
-
-#define ACTION_P9(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP9, (__VA_ARGS__))
-
-#define ACTION_P10(name, ...) \
-  GMOCK_INTERNAL_ACTION(name, name##ActionP10, (__VA_ARGS__))
-
-}  // namespace testing
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_ACTIONS_H_
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements some commonly used cardinalities.  More
-// cardinalities can be defined by the user implementing the
-// CardinalityInterface interface if necessary.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
-
-#include <limits.h>
-#include <memory>
-#include <ostream>  // NOLINT
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// To implement a cardinality Foo, define:
-//   1. a class FooCardinality that implements the
-//      CardinalityInterface interface, and
-//   2. a factory function that creates a Cardinality object from a
-//      const FooCardinality*.
-//
-// The two-level delegation design follows that of Matcher, providing
-// consistency for extension developers.  It also eases ownership
-// management as Cardinality objects can now be copied like plain values.
-
-// The implementation of a cardinality.
-class CardinalityInterface {
- public:
-  virtual ~CardinalityInterface() {}
-
-  // Conservative estimate on the lower/upper bound of the number of
-  // calls allowed.
-  virtual int ConservativeLowerBound() const { return 0; }
-  virtual int ConservativeUpperBound() const { return INT_MAX; }
-
-  // Returns true if and only if call_count calls will satisfy this
-  // cardinality.
-  virtual bool IsSatisfiedByCallCount(int call_count) const = 0;
-
-  // Returns true if and only if call_count calls will saturate this
-  // cardinality.
-  virtual bool IsSaturatedByCallCount(int call_count) const = 0;
-
-  // Describes self to an ostream.
-  virtual void DescribeTo(::std::ostream* os) const = 0;
-};
-
-// A Cardinality is a copyable and IMMUTABLE (except by assignment)
-// object that specifies how many times a mock function is expected to
-// be called.  The implementation of Cardinality is just a std::shared_ptr
-// to const CardinalityInterface. Don't inherit from Cardinality!
-class GTEST_API_ Cardinality {
- public:
-  // Constructs a null cardinality.  Needed for storing Cardinality
-  // objects in STL containers.
-  Cardinality() {}
-
-  // Constructs a Cardinality from its implementation.
-  explicit Cardinality(const CardinalityInterface* impl) : impl_(impl) {}
-
-  // Conservative estimate on the lower/upper bound of the number of
-  // calls allowed.
-  int ConservativeLowerBound() const { return impl_->ConservativeLowerBound(); }
-  int ConservativeUpperBound() const { return impl_->ConservativeUpperBound(); }
-
-  // Returns true if and only if call_count calls will satisfy this
-  // cardinality.
-  bool IsSatisfiedByCallCount(int call_count) const {
-    return impl_->IsSatisfiedByCallCount(call_count);
-  }
-
-  // Returns true if and only if call_count calls will saturate this
-  // cardinality.
-  bool IsSaturatedByCallCount(int call_count) const {
-    return impl_->IsSaturatedByCallCount(call_count);
-  }
-
-  // Returns true if and only if call_count calls will over-saturate this
-  // cardinality, i.e. exceed the maximum number of allowed calls.
-  bool IsOverSaturatedByCallCount(int call_count) const {
-    return impl_->IsSaturatedByCallCount(call_count) &&
-        !impl_->IsSatisfiedByCallCount(call_count);
-  }
-
-  // Describes self to an ostream
-  void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); }
-
-  // Describes the given actual call count to an ostream.
-  static void DescribeActualCallCountTo(int actual_call_count,
-                                        ::std::ostream* os);
-
- private:
-  std::shared_ptr<const CardinalityInterface> impl_;
-};
-
-// Creates a cardinality that allows at least n calls.
-GTEST_API_ Cardinality AtLeast(int n);
-
-// Creates a cardinality that allows at most n calls.
-GTEST_API_ Cardinality AtMost(int n);
-
-// Creates a cardinality that allows any number of calls.
-GTEST_API_ Cardinality AnyNumber();
-
-// Creates a cardinality that allows between min and max calls.
-GTEST_API_ Cardinality Between(int min, int max);
-
-// Creates a cardinality that allows exactly n calls.
-GTEST_API_ Cardinality Exactly(int n);
-
-// Creates a cardinality from its implementation.
-inline Cardinality MakeCardinality(const CardinalityInterface* c) {
-  return Cardinality(c);
-}
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements MOCK_METHOD.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_  // NOLINT
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_  // NOLINT
-
-#include <type_traits>  // IWYU pragma: keep
-#include <utility>      // IWYU pragma: keep
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements the ON_CALL() and EXPECT_CALL() macros.
-//
-// A user can use the ON_CALL() macro to specify the default action of
-// a mock method.  The syntax is:
-//
-//   ON_CALL(mock_object, Method(argument-matchers))
-//       .With(multi-argument-matcher)
-//       .WillByDefault(action);
-//
-//  where the .With() clause is optional.
-//
-// A user can use the EXPECT_CALL() macro to specify an expectation on
-// a mock method.  The syntax is:
-//
-//   EXPECT_CALL(mock_object, Method(argument-matchers))
-//       .With(multi-argument-matchers)
-//       .Times(cardinality)
-//       .InSequence(sequences)
-//       .After(expectations)
-//       .WillOnce(action)
-//       .WillRepeatedly(action)
-//       .RetiresOnSaturation();
-//
-// where all clauses are optional, and .InSequence()/.After()/
-// .WillOnce() can appear any number of times.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_
-
-#include <functional>
-#include <map>
-#include <memory>
-#include <set>
-#include <sstream>
-#include <string>
-#include <type_traits>
-#include <utility>
-#include <vector>
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// The MATCHER* family of macros can be used in a namespace scope to
-// define custom matchers easily.
-//
-// Basic Usage
-// ===========
-//
-// The syntax
-//
-//   MATCHER(name, description_string) { statements; }
-//
-// defines a matcher with the given name that executes the statements,
-// which must return a bool to indicate if the match succeeds.  Inside
-// the statements, you can refer to the value being matched by 'arg',
-// and refer to its type by 'arg_type'.
-//
-// The description string documents what the matcher does, and is used
-// to generate the failure message when the match fails.  Since a
-// MATCHER() is usually defined in a header file shared by multiple
-// C++ source files, we require the description to be a C-string
-// literal to avoid possible side effects.  It can be empty, in which
-// case we'll use the sequence of words in the matcher name as the
-// description.
-//
-// For example:
-//
-//   MATCHER(IsEven, "") { return (arg % 2) == 0; }
-//
-// allows you to write
-//
-//   // Expects mock_foo.Bar(n) to be called where n is even.
-//   EXPECT_CALL(mock_foo, Bar(IsEven()));
-//
-// or,
-//
-//   // Verifies that the value of some_expression is even.
-//   EXPECT_THAT(some_expression, IsEven());
-//
-// If the above assertion fails, it will print something like:
-//
-//   Value of: some_expression
-//   Expected: is even
-//     Actual: 7
-//
-// where the description "is even" is automatically calculated from the
-// matcher name IsEven.
-//
-// Argument Type
-// =============
-//
-// Note that the type of the value being matched (arg_type) is
-// determined by the context in which you use the matcher and is
-// supplied to you by the compiler, so you don't need to worry about
-// declaring it (nor can you).  This allows the matcher to be
-// polymorphic.  For example, IsEven() can be used to match any type
-// where the value of "(arg % 2) == 0" can be implicitly converted to
-// a bool.  In the "Bar(IsEven())" example above, if method Bar()
-// takes an int, 'arg_type' will be int; if it takes an unsigned long,
-// 'arg_type' will be unsigned long; and so on.
-//
-// Parameterizing Matchers
-// =======================
-//
-// Sometimes you'll want to parameterize the matcher.  For that you
-// can use another macro:
-//
-//   MATCHER_P(name, param_name, description_string) { statements; }
-//
-// For example:
-//
-//   MATCHER_P(HasAbsoluteValue, value, "") { return abs(arg) == value; }
-//
-// will allow you to write:
-//
-//   EXPECT_THAT(Blah("a"), HasAbsoluteValue(n));
-//
-// which may lead to this message (assuming n is 10):
-//
-//   Value of: Blah("a")
-//   Expected: has absolute value 10
-//     Actual: -9
-//
-// Note that both the matcher description and its parameter are
-// printed, making the message human-friendly.
-//
-// In the matcher definition body, you can write 'foo_type' to
-// reference the type of a parameter named 'foo'.  For example, in the
-// body of MATCHER_P(HasAbsoluteValue, value) above, you can write
-// 'value_type' to refer to the type of 'value'.
-//
-// We also provide MATCHER_P2, MATCHER_P3, ..., up to MATCHER_P$n to
-// support multi-parameter matchers.
-//
-// Describing Parameterized Matchers
-// =================================
-//
-// The last argument to MATCHER*() is a string-typed expression.  The
-// expression can reference all of the matcher's parameters and a
-// special bool-typed variable named 'negation'.  When 'negation' is
-// false, the expression should evaluate to the matcher's description;
-// otherwise it should evaluate to the description of the negation of
-// the matcher.  For example,
-//
-//   using testing::PrintToString;
-//
-//   MATCHER_P2(InClosedRange, low, hi,
-//       std::string(negation ? "is not" : "is") + " in range [" +
-//       PrintToString(low) + ", " + PrintToString(hi) + "]") {
-//     return low <= arg && arg <= hi;
-//   }
-//   ...
-//   EXPECT_THAT(3, InClosedRange(4, 6));
-//   EXPECT_THAT(3, Not(InClosedRange(2, 4)));
-//
-// would generate two failures that contain the text:
-//
-//   Expected: is in range [4, 6]
-//   ...
-//   Expected: is not in range [2, 4]
-//
-// If you specify "" as the description, the failure message will
-// contain the sequence of words in the matcher name followed by the
-// parameter values printed as a tuple.  For example,
-//
-//   MATCHER_P2(InClosedRange, low, hi, "") { ... }
-//   ...
-//   EXPECT_THAT(3, InClosedRange(4, 6));
-//   EXPECT_THAT(3, Not(InClosedRange(2, 4)));
-//
-// would generate two failures that contain the text:
-//
-//   Expected: in closed range (4, 6)
-//   ...
-//   Expected: not (in closed range (2, 4))
-//
-// Types of Matcher Parameters
-// ===========================
-//
-// For the purpose of typing, you can view
-//
-//   MATCHER_Pk(Foo, p1, ..., pk, description_string) { ... }
-//
-// as shorthand for
-//
-//   template <typename p1_type, ..., typename pk_type>
-//   FooMatcherPk<p1_type, ..., pk_type>
-//   Foo(p1_type p1, ..., pk_type pk) { ... }
-//
-// When you write Foo(v1, ..., vk), the compiler infers the types of
-// the parameters v1, ..., and vk for you.  If you are not happy with
-// the result of the type inference, you can specify the types by
-// explicitly instantiating the template, as in Foo<long, bool>(5,
-// false).  As said earlier, you don't get to (or need to) specify
-// 'arg_type' as that's determined by the context in which the matcher
-// is used.  You can assign the result of expression Foo(p1, ..., pk)
-// to a variable of type FooMatcherPk<p1_type, ..., pk_type>.  This
-// can be useful when composing matchers.
-//
-// While you can instantiate a matcher template with reference types,
-// passing the parameters by pointer usually makes your code more
-// readable.  If, however, you still want to pass a parameter by
-// reference, be aware that in the failure message generated by the
-// matcher you will see the value of the referenced object but not its
-// address.
-//
-// Explaining Match Results
-// ========================
-//
-// Sometimes the matcher description alone isn't enough to explain why
-// the match has failed or succeeded.  For example, when expecting a
-// long string, it can be very helpful to also print the diff between
-// the expected string and the actual one.  To achieve that, you can
-// optionally stream additional information to a special variable
-// named result_listener, whose type is a pointer to class
-// MatchResultListener:
-//
-//   MATCHER_P(EqualsLongString, str, "") {
-//     if (arg == str) return true;
-//
-//     *result_listener << "the difference: "
-///                     << DiffStrings(str, arg);
-//     return false;
-//   }
-//
-// Overloading Matchers
-// ====================
-//
-// You can overload matchers with different numbers of parameters:
-//
-//   MATCHER_P(Blah, a, description_string1) { ... }
-//   MATCHER_P2(Blah, a, b, description_string2) { ... }
-//
-// Caveats
-// =======
-//
-// When defining a new matcher, you should also consider implementing
-// MatcherInterface or using MakePolymorphicMatcher().  These
-// approaches require more work than the MATCHER* macros, but also
-// give you more control on the types of the value being matched and
-// the matcher parameters, which may leads to better compiler error
-// messages when the matcher is used wrong.  They also allow
-// overloading matchers based on parameter types (as opposed to just
-// based on the number of parameters).
-//
-// MATCHER*() can only be used in a namespace scope as templates cannot be
-// declared inside of a local class.
-//
-// More Information
-// ================
-//
-// To learn more about using these macros, please search for 'MATCHER'
-// on
-// https://github.com/google/googletest/blob/master/docs/gmock_cook_book.md
-//
-// This file also implements some commonly used argument matchers.  More
-// matchers can be defined by the user implementing the
-// MatcherInterface<T> interface if necessary.
-//
-// See googletest/include/gtest/gtest-matchers.h for the definition of class
-// Matcher, class MatcherInterface, and others.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_
-
-#include <algorithm>
-#include <cmath>
-#include <initializer_list>
-#include <iterator>
-#include <limits>
-#include <memory>
-#include <ostream>  // NOLINT
-#include <sstream>
-#include <string>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
-
-// MSVC warning C5046 is new as of VS2017 version 15.8.
-#if defined(_MSC_VER) && _MSC_VER >= 1915
-#define GMOCK_MAYBE_5046_ 5046
-#else
-#define GMOCK_MAYBE_5046_
-#endif
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(
-    4251 GMOCK_MAYBE_5046_ /* class A needs to have dll-interface to be used by
-                              clients of class B */
-    /* Symbol involving type with internal linkage not defined */)
-
-namespace testing {
-
-// To implement a matcher Foo for type T, define:
-//   1. a class FooMatcherImpl that implements the
-//      MatcherInterface<T> interface, and
-//   2. a factory function that creates a Matcher<T> object from a
-//      FooMatcherImpl*.
-//
-// The two-level delegation design makes it possible to allow a user
-// to write "v" instead of "Eq(v)" where a Matcher is expected, which
-// is impossible if we pass matchers by pointers.  It also eases
-// ownership management as Matcher objects can now be copied like
-// plain values.
-
-// A match result listener that stores the explanation in a string.
-class StringMatchResultListener : public MatchResultListener {
- public:
-  StringMatchResultListener() : MatchResultListener(&ss_) {}
-
-  // Returns the explanation accumulated so far.
-  std::string str() const { return ss_.str(); }
-
-  // Clears the explanation accumulated so far.
-  void Clear() { ss_.str(""); }
-
- private:
-  ::std::stringstream ss_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(StringMatchResultListener);
-};
-
-// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION
-// and MUST NOT BE USED IN USER CODE!!!
-namespace internal {
-
-// The MatcherCastImpl class template is a helper for implementing
-// MatcherCast().  We need this helper in order to partially
-// specialize the implementation of MatcherCast() (C++ allows
-// class/struct templates to be partially specialized, but not
-// function templates.).
-
-// This general version is used when MatcherCast()'s argument is a
-// polymorphic matcher (i.e. something that can be converted to a
-// Matcher but is not one yet; for example, Eq(value)) or a value (for
-// example, "hello").
-template <typename T, typename M>
-class MatcherCastImpl {
- public:
-  static Matcher<T> Cast(const M& polymorphic_matcher_or_value) {
-    // M can be a polymorphic matcher, in which case we want to use
-    // its conversion operator to create Matcher<T>.  Or it can be a value
-    // that should be passed to the Matcher<T>'s constructor.
-    //
-    // We can't call Matcher<T>(polymorphic_matcher_or_value) when M is a
-    // polymorphic matcher because it'll be ambiguous if T has an implicit
-    // constructor from M (this usually happens when T has an implicit
-    // constructor from any type).
-    //
-    // It won't work to unconditionally implicit_cast
-    // polymorphic_matcher_or_value to Matcher<T> because it won't trigger
-    // a user-defined conversion from M to T if one exists (assuming M is
-    // a value).
-    return CastImpl(polymorphic_matcher_or_value,
-                    std::is_convertible<M, Matcher<T>>{},
-                    std::is_convertible<M, T>{});
-  }
-
- private:
-  template <bool Ignore>
-  static Matcher<T> CastImpl(const M& polymorphic_matcher_or_value,
-                             std::true_type /* convertible_to_matcher */,
-                             std::integral_constant<bool, Ignore>) {
-    // M is implicitly convertible to Matcher<T>, which means that either
-    // M is a polymorphic matcher or Matcher<T> has an implicit constructor
-    // from M.  In both cases using the implicit conversion will produce a
-    // matcher.
-    //
-    // Even if T has an implicit constructor from M, it won't be called because
-    // creating Matcher<T> would require a chain of two user-defined conversions
-    // (first to create T from M and then to create Matcher<T> from T).
-    return polymorphic_matcher_or_value;
-  }
-
-  // M can't be implicitly converted to Matcher<T>, so M isn't a polymorphic
-  // matcher. It's a value of a type implicitly convertible to T. Use direct
-  // initialization to create a matcher.
-  static Matcher<T> CastImpl(const M& value,
-                             std::false_type /* convertible_to_matcher */,
-                             std::true_type /* convertible_to_T */) {
-    return Matcher<T>(ImplicitCast_<T>(value));
-  }
-
-  // M can't be implicitly converted to either Matcher<T> or T. Attempt to use
-  // polymorphic matcher Eq(value) in this case.
-  //
-  // Note that we first attempt to perform an implicit cast on the value and
-  // only fall back to the polymorphic Eq() matcher afterwards because the
-  // latter calls bool operator==(const Lhs& lhs, const Rhs& rhs) in the end
-  // which might be undefined even when Rhs is implicitly convertible to Lhs
-  // (e.g. std::pair<const int, int> vs. std::pair<int, int>).
-  //
-  // We don't define this method inline as we need the declaration of Eq().
-  static Matcher<T> CastImpl(const M& value,
-                             std::false_type /* convertible_to_matcher */,
-                             std::false_type /* convertible_to_T */);
-};
-
-// This more specialized version is used when MatcherCast()'s argument
-// is already a Matcher.  This only compiles when type T can be
-// statically converted to type U.
-template <typename T, typename U>
-class MatcherCastImpl<T, Matcher<U> > {
- public:
-  static Matcher<T> Cast(const Matcher<U>& source_matcher) {
-    return Matcher<T>(new Impl(source_matcher));
-  }
-
- private:
-  class Impl : public MatcherInterface<T> {
-   public:
-    explicit Impl(const Matcher<U>& source_matcher)
-        : source_matcher_(source_matcher) {}
-
-    // We delegate the matching logic to the source matcher.
-    bool MatchAndExplain(T x, MatchResultListener* listener) const override {
-      using FromType = typename std::remove_cv<typename std::remove_pointer<
-          typename std::remove_reference<T>::type>::type>::type;
-      using ToType = typename std::remove_cv<typename std::remove_pointer<
-          typename std::remove_reference<U>::type>::type>::type;
-      // Do not allow implicitly converting base*/& to derived*/&.
-      static_assert(
-          // Do not trigger if only one of them is a pointer. That implies a
-          // regular conversion and not a down_cast.
-          (std::is_pointer<typename std::remove_reference<T>::type>::value !=
-           std::is_pointer<typename std::remove_reference<U>::type>::value) ||
-              std::is_same<FromType, ToType>::value ||
-              !std::is_base_of<FromType, ToType>::value,
-          "Can't implicitly convert from <base> to <derived>");
-
-      // Do the cast to `U` explicitly if necessary.
-      // Otherwise, let implicit conversions do the trick.
-      using CastType =
-          typename std::conditional<std::is_convertible<T&, const U&>::value,
-                                    T&, U>::type;
-
-      return source_matcher_.MatchAndExplain(static_cast<CastType>(x),
-                                             listener);
-    }
-
-    void DescribeTo(::std::ostream* os) const override {
-      source_matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      source_matcher_.DescribeNegationTo(os);
-    }
-
-   private:
-    const Matcher<U> source_matcher_;
-  };
-};
-
-// This even more specialized version is used for efficiently casting
-// a matcher to its own type.
-template <typename T>
-class MatcherCastImpl<T, Matcher<T> > {
- public:
-  static Matcher<T> Cast(const Matcher<T>& matcher) { return matcher; }
-};
-
-// Template specialization for parameterless Matcher.
-template <typename Derived>
-class MatcherBaseImpl {
- public:
-  MatcherBaseImpl() = default;
-
-  template <typename T>
-  operator ::testing::Matcher<T>() const {  // NOLINT(runtime/explicit)
-    return ::testing::Matcher<T>(new
-                                 typename Derived::template gmock_Impl<T>());
-  }
-};
-
-// Template specialization for Matcher with parameters.
-template <template <typename...> class Derived, typename... Ts>
-class MatcherBaseImpl<Derived<Ts...>> {
- public:
-  // Mark the constructor explicit for single argument T to avoid implicit
-  // conversions.
-  template <typename E = std::enable_if<sizeof...(Ts) == 1>,
-            typename E::type* = nullptr>
-  explicit MatcherBaseImpl(Ts... params)
-      : params_(std::forward<Ts>(params)...) {}
-  template <typename E = std::enable_if<sizeof...(Ts) != 1>,
-            typename = typename E::type>
-  MatcherBaseImpl(Ts... params)  // NOLINT
-      : params_(std::forward<Ts>(params)...) {}
-
-  template <typename F>
-  operator ::testing::Matcher<F>() const {  // NOLINT(runtime/explicit)
-    return Apply<F>(MakeIndexSequence<sizeof...(Ts)>{});
-  }
-
- private:
-  template <typename F, std::size_t... tuple_ids>
-  ::testing::Matcher<F> Apply(IndexSequence<tuple_ids...>) const {
-    return ::testing::Matcher<F>(
-        new typename Derived<Ts...>::template gmock_Impl<F>(
-            std::get<tuple_ids>(params_)...));
-  }
-
-  const std::tuple<Ts...> params_;
-};
-
-}  // namespace internal
-
-// In order to be safe and clear, casting between different matcher
-// types is done explicitly via MatcherCast<T>(m), which takes a
-// matcher m and returns a Matcher<T>.  It compiles only when T can be
-// statically converted to the argument type of m.
-template <typename T, typename M>
-inline Matcher<T> MatcherCast(const M& matcher) {
-  return internal::MatcherCastImpl<T, M>::Cast(matcher);
-}
-
-// This overload handles polymorphic matchers and values only since
-// monomorphic matchers are handled by the next one.
-template <typename T, typename M>
-inline Matcher<T> SafeMatcherCast(const M& polymorphic_matcher_or_value) {
-  return MatcherCast<T>(polymorphic_matcher_or_value);
-}
-
-// This overload handles monomorphic matchers.
-//
-// In general, if type T can be implicitly converted to type U, we can
-// safely convert a Matcher<U> to a Matcher<T> (i.e. Matcher is
-// contravariant): just keep a copy of the original Matcher<U>, convert the
-// argument from type T to U, and then pass it to the underlying Matcher<U>.
-// The only exception is when U is a reference and T is not, as the
-// underlying Matcher<U> may be interested in the argument's address, which
-// is not preserved in the conversion from T to U.
-template <typename T, typename U>
-inline Matcher<T> SafeMatcherCast(const Matcher<U>& matcher) {
-  // Enforce that T can be implicitly converted to U.
-  static_assert(std::is_convertible<const T&, const U&>::value,
-                "T must be implicitly convertible to U");
-  // Enforce that we are not converting a non-reference type T to a reference
-  // type U.
-  GTEST_COMPILE_ASSERT_(
-      std::is_reference<T>::value || !std::is_reference<U>::value,
-      cannot_convert_non_reference_arg_to_reference);
-  // In case both T and U are arithmetic types, enforce that the
-  // conversion is not lossy.
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(T) RawT;
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(U) RawU;
-  constexpr bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther;
-  constexpr bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther;
-  GTEST_COMPILE_ASSERT_(
-      kTIsOther || kUIsOther ||
-      (internal::LosslessArithmeticConvertible<RawT, RawU>::value),
-      conversion_of_arithmetic_types_must_be_lossless);
-  return MatcherCast<T>(matcher);
-}
-
-// A<T>() returns a matcher that matches any value of type T.
-template <typename T>
-Matcher<T> A();
-
-// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION
-// and MUST NOT BE USED IN USER CODE!!!
-namespace internal {
-
-// If the explanation is not empty, prints it to the ostream.
-inline void PrintIfNotEmpty(const std::string& explanation,
-                            ::std::ostream* os) {
-  if (explanation != "" && os != nullptr) {
-    *os << ", " << explanation;
-  }
-}
-
-// Returns true if the given type name is easy to read by a human.
-// This is used to decide whether printing the type of a value might
-// be helpful.
-inline bool IsReadableTypeName(const std::string& type_name) {
-  // We consider a type name readable if it's short or doesn't contain
-  // a template or function type.
-  return (type_name.length() <= 20 ||
-          type_name.find_first_of("<(") == std::string::npos);
-}
-
-// Matches the value against the given matcher, prints the value and explains
-// the match result to the listener. Returns the match result.
-// 'listener' must not be NULL.
-// Value cannot be passed by const reference, because some matchers take a
-// non-const argument.
-template <typename Value, typename T>
-bool MatchPrintAndExplain(Value& value, const Matcher<T>& matcher,
-                          MatchResultListener* listener) {
-  if (!listener->IsInterested()) {
-    // If the listener is not interested, we do not need to construct the
-    // inner explanation.
-    return matcher.Matches(value);
-  }
-
-  StringMatchResultListener inner_listener;
-  const bool match = matcher.MatchAndExplain(value, &inner_listener);
-
-  UniversalPrint(value, listener->stream());
-#if GTEST_HAS_RTTI
-  const std::string& type_name = GetTypeName<Value>();
-  if (IsReadableTypeName(type_name))
-    *listener->stream() << " (of type " << type_name << ")";
-#endif
-  PrintIfNotEmpty(inner_listener.str(), listener->stream());
-
-  return match;
-}
-
-// An internal helper class for doing compile-time loop on a tuple's
-// fields.
-template <size_t N>
-class TuplePrefix {
- public:
-  // TuplePrefix<N>::Matches(matcher_tuple, value_tuple) returns true
-  // if and only if the first N fields of matcher_tuple matches
-  // the first N fields of value_tuple, respectively.
-  template <typename MatcherTuple, typename ValueTuple>
-  static bool Matches(const MatcherTuple& matcher_tuple,
-                      const ValueTuple& value_tuple) {
-    return TuplePrefix<N - 1>::Matches(matcher_tuple, value_tuple) &&
-           std::get<N - 1>(matcher_tuple).Matches(std::get<N - 1>(value_tuple));
-  }
-
-  // TuplePrefix<N>::ExplainMatchFailuresTo(matchers, values, os)
-  // describes failures in matching the first N fields of matchers
-  // against the first N fields of values.  If there is no failure,
-  // nothing will be streamed to os.
-  template <typename MatcherTuple, typename ValueTuple>
-  static void ExplainMatchFailuresTo(const MatcherTuple& matchers,
-                                     const ValueTuple& values,
-                                     ::std::ostream* os) {
-    // First, describes failures in the first N - 1 fields.
-    TuplePrefix<N - 1>::ExplainMatchFailuresTo(matchers, values, os);
-
-    // Then describes the failure (if any) in the (N - 1)-th (0-based)
-    // field.
-    typename std::tuple_element<N - 1, MatcherTuple>::type matcher =
-        std::get<N - 1>(matchers);
-    typedef typename std::tuple_element<N - 1, ValueTuple>::type Value;
-    const Value& value = std::get<N - 1>(values);
-    StringMatchResultListener listener;
-    if (!matcher.MatchAndExplain(value, &listener)) {
-      *os << "  Expected arg #" << N - 1 << ": ";
-      std::get<N - 1>(matchers).DescribeTo(os);
-      *os << "\n           Actual: ";
-      // We remove the reference in type Value to prevent the
-      // universal printer from printing the address of value, which
-      // isn't interesting to the user most of the time.  The
-      // matcher's MatchAndExplain() method handles the case when
-      // the address is interesting.
-      internal::UniversalPrint(value, os);
-      PrintIfNotEmpty(listener.str(), os);
-      *os << "\n";
-    }
-  }
-};
-
-// The base case.
-template <>
-class TuplePrefix<0> {
- public:
-  template <typename MatcherTuple, typename ValueTuple>
-  static bool Matches(const MatcherTuple& /* matcher_tuple */,
-                      const ValueTuple& /* value_tuple */) {
-    return true;
-  }
-
-  template <typename MatcherTuple, typename ValueTuple>
-  static void ExplainMatchFailuresTo(const MatcherTuple& /* matchers */,
-                                     const ValueTuple& /* values */,
-                                     ::std::ostream* /* os */) {}
-};
-
-// TupleMatches(matcher_tuple, value_tuple) returns true if and only if
-// all matchers in matcher_tuple match the corresponding fields in
-// value_tuple.  It is a compiler error if matcher_tuple and
-// value_tuple have different number of fields or incompatible field
-// types.
-template <typename MatcherTuple, typename ValueTuple>
-bool TupleMatches(const MatcherTuple& matcher_tuple,
-                  const ValueTuple& value_tuple) {
-  // Makes sure that matcher_tuple and value_tuple have the same
-  // number of fields.
-  GTEST_COMPILE_ASSERT_(std::tuple_size<MatcherTuple>::value ==
-                            std::tuple_size<ValueTuple>::value,
-                        matcher_and_value_have_different_numbers_of_fields);
-  return TuplePrefix<std::tuple_size<ValueTuple>::value>::Matches(matcher_tuple,
-                                                                  value_tuple);
-}
-
-// Describes failures in matching matchers against values.  If there
-// is no failure, nothing will be streamed to os.
-template <typename MatcherTuple, typename ValueTuple>
-void ExplainMatchFailureTupleTo(const MatcherTuple& matchers,
-                                const ValueTuple& values,
-                                ::std::ostream* os) {
-  TuplePrefix<std::tuple_size<MatcherTuple>::value>::ExplainMatchFailuresTo(
-      matchers, values, os);
-}
-
-// TransformTupleValues and its helper.
-//
-// TransformTupleValuesHelper hides the internal machinery that
-// TransformTupleValues uses to implement a tuple traversal.
-template <typename Tuple, typename Func, typename OutIter>
-class TransformTupleValuesHelper {
- private:
-  typedef ::std::tuple_size<Tuple> TupleSize;
-
- public:
-  // For each member of tuple 't', taken in order, evaluates '*out++ = f(t)'.
-  // Returns the final value of 'out' in case the caller needs it.
-  static OutIter Run(Func f, const Tuple& t, OutIter out) {
-    return IterateOverTuple<Tuple, TupleSize::value>()(f, t, out);
-  }
-
- private:
-  template <typename Tup, size_t kRemainingSize>
-  struct IterateOverTuple {
-    OutIter operator() (Func f, const Tup& t, OutIter out) const {
-      *out++ = f(::std::get<TupleSize::value - kRemainingSize>(t));
-      return IterateOverTuple<Tup, kRemainingSize - 1>()(f, t, out);
-    }
-  };
-  template <typename Tup>
-  struct IterateOverTuple<Tup, 0> {
-    OutIter operator() (Func /* f */, const Tup& /* t */, OutIter out) const {
-      return out;
-    }
-  };
-};
-
-// Successively invokes 'f(element)' on each element of the tuple 't',
-// appending each result to the 'out' iterator. Returns the final value
-// of 'out'.
-template <typename Tuple, typename Func, typename OutIter>
-OutIter TransformTupleValues(Func f, const Tuple& t, OutIter out) {
-  return TransformTupleValuesHelper<Tuple, Func, OutIter>::Run(f, t, out);
-}
-
-// Implements _, a matcher that matches any value of any
-// type.  This is a polymorphic matcher, so we need a template type
-// conversion operator to make it appearing as a Matcher<T> for any
-// type T.
-class AnythingMatcher {
- public:
-  using is_gtest_matcher = void;
-
-  template <typename T>
-  bool MatchAndExplain(const T& /* x */, std::ostream* /* listener */) const {
-    return true;
-  }
-  void DescribeTo(std::ostream* os) const { *os << "is anything"; }
-  void DescribeNegationTo(::std::ostream* os) const {
-    // This is mostly for completeness' sake, as it's not very useful
-    // to write Not(A<bool>()).  However we cannot completely rule out
-    // such a possibility, and it doesn't hurt to be prepared.
-    *os << "never matches";
-  }
-};
-
-// Implements the polymorphic IsNull() matcher, which matches any raw or smart
-// pointer that is NULL.
-class IsNullMatcher {
- public:
-  template <typename Pointer>
-  bool MatchAndExplain(const Pointer& p,
-                       MatchResultListener* /* listener */) const {
-    return p == nullptr;
-  }
-
-  void DescribeTo(::std::ostream* os) const { *os << "is NULL"; }
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "isn't NULL";
-  }
-};
-
-// Implements the polymorphic NotNull() matcher, which matches any raw or smart
-// pointer that is not NULL.
-class NotNullMatcher {
- public:
-  template <typename Pointer>
-  bool MatchAndExplain(const Pointer& p,
-                       MatchResultListener* /* listener */) const {
-    return p != nullptr;
-  }
-
-  void DescribeTo(::std::ostream* os) const { *os << "isn't NULL"; }
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "is NULL";
-  }
-};
-
-// Ref(variable) matches any argument that is a reference to
-// 'variable'.  This matcher is polymorphic as it can match any
-// super type of the type of 'variable'.
-//
-// The RefMatcher template class implements Ref(variable).  It can
-// only be instantiated with a reference type.  This prevents a user
-// from mistakenly using Ref(x) to match a non-reference function
-// argument.  For example, the following will righteously cause a
-// compiler error:
-//
-//   int n;
-//   Matcher<int> m1 = Ref(n);   // This won't compile.
-//   Matcher<int&> m2 = Ref(n);  // This will compile.
-template <typename T>
-class RefMatcher;
-
-template <typename T>
-class RefMatcher<T&> {
-  // Google Mock is a generic framework and thus needs to support
-  // mocking any function types, including those that take non-const
-  // reference arguments.  Therefore the template parameter T (and
-  // Super below) can be instantiated to either a const type or a
-  // non-const type.
- public:
-  // RefMatcher() takes a T& instead of const T&, as we want the
-  // compiler to catch using Ref(const_value) as a matcher for a
-  // non-const reference.
-  explicit RefMatcher(T& x) : object_(x) {}  // NOLINT
-
-  template <typename Super>
-  operator Matcher<Super&>() const {
-    // By passing object_ (type T&) to Impl(), which expects a Super&,
-    // we make sure that Super is a super type of T.  In particular,
-    // this catches using Ref(const_value) as a matcher for a
-    // non-const reference, as you cannot implicitly convert a const
-    // reference to a non-const reference.
-    return MakeMatcher(new Impl<Super>(object_));
-  }
-
- private:
-  template <typename Super>
-  class Impl : public MatcherInterface<Super&> {
-   public:
-    explicit Impl(Super& x) : object_(x) {}  // NOLINT
-
-    // MatchAndExplain() takes a Super& (as opposed to const Super&)
-    // in order to match the interface MatcherInterface<Super&>.
-    bool MatchAndExplain(Super& x,
-                         MatchResultListener* listener) const override {
-      *listener << "which is located @" << static_cast<const void*>(&x);
-      return &x == &object_;
-    }
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "references the variable ";
-      UniversalPrinter<Super&>::Print(object_, os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "does not reference the variable ";
-      UniversalPrinter<Super&>::Print(object_, os);
-    }
-
-   private:
-    const Super& object_;
-  };
-
-  T& object_;
-};
-
-// Polymorphic helper functions for narrow and wide string matchers.
-inline bool CaseInsensitiveCStringEquals(const char* lhs, const char* rhs) {
-  return String::CaseInsensitiveCStringEquals(lhs, rhs);
-}
-
-inline bool CaseInsensitiveCStringEquals(const wchar_t* lhs,
-                                         const wchar_t* rhs) {
-  return String::CaseInsensitiveWideCStringEquals(lhs, rhs);
-}
-
-// String comparison for narrow or wide strings that can have embedded NUL
-// characters.
-template <typename StringType>
-bool CaseInsensitiveStringEquals(const StringType& s1,
-                                 const StringType& s2) {
-  // Are the heads equal?
-  if (!CaseInsensitiveCStringEquals(s1.c_str(), s2.c_str())) {
-    return false;
-  }
-
-  // Skip the equal heads.
-  const typename StringType::value_type nul = 0;
-  const size_t i1 = s1.find(nul), i2 = s2.find(nul);
-
-  // Are we at the end of either s1 or s2?
-  if (i1 == StringType::npos || i2 == StringType::npos) {
-    return i1 == i2;
-  }
-
-  // Are the tails equal?
-  return CaseInsensitiveStringEquals(s1.substr(i1 + 1), s2.substr(i2 + 1));
-}
-
-// String matchers.
-
-// Implements equality-based string matchers like StrEq, StrCaseNe, and etc.
-template <typename StringType>
-class StrEqualityMatcher {
- public:
-  StrEqualityMatcher(StringType str, bool expect_eq, bool case_sensitive)
-      : string_(std::move(str)),
-        expect_eq_(expect_eq),
-        case_sensitive_(case_sensitive) {}
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  bool MatchAndExplain(const internal::StringView& s,
-                       MatchResultListener* listener) const {
-    // This should fail to compile if StringView is used with wide
-    // strings.
-    const StringType& str = std::string(s);
-    return MatchAndExplain(str, listener);
-  }
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-  // Accepts pointer types, particularly:
-  //   const char*
-  //   char*
-  //   const wchar_t*
-  //   wchar_t*
-  template <typename CharType>
-  bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
-    if (s == nullptr) {
-      return !expect_eq_;
-    }
-    return MatchAndExplain(StringType(s), listener);
-  }
-
-  // Matches anything that can convert to StringType.
-  //
-  // This is a template, not just a plain function with const StringType&,
-  // because StringView has some interfering non-explicit constructors.
-  template <typename MatcheeStringType>
-  bool MatchAndExplain(const MatcheeStringType& s,
-                       MatchResultListener* /* listener */) const {
-    const StringType s2(s);
-    const bool eq = case_sensitive_ ? s2 == string_ :
-        CaseInsensitiveStringEquals(s2, string_);
-    return expect_eq_ == eq;
-  }
-
-  void DescribeTo(::std::ostream* os) const {
-    DescribeToHelper(expect_eq_, os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    DescribeToHelper(!expect_eq_, os);
-  }
-
- private:
-  void DescribeToHelper(bool expect_eq, ::std::ostream* os) const {
-    *os << (expect_eq ? "is " : "isn't ");
-    *os << "equal to ";
-    if (!case_sensitive_) {
-      *os << "(ignoring case) ";
-    }
-    UniversalPrint(string_, os);
-  }
-
-  const StringType string_;
-  const bool expect_eq_;
-  const bool case_sensitive_;
-};
-
-// Implements the polymorphic HasSubstr(substring) matcher, which
-// can be used as a Matcher<T> as long as T can be converted to a
-// string.
-template <typename StringType>
-class HasSubstrMatcher {
- public:
-  explicit HasSubstrMatcher(const StringType& substring)
-      : substring_(substring) {}
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  bool MatchAndExplain(const internal::StringView& s,
-                       MatchResultListener* listener) const {
-    // This should fail to compile if StringView is used with wide
-    // strings.
-    const StringType& str = std::string(s);
-    return MatchAndExplain(str, listener);
-  }
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-  // Accepts pointer types, particularly:
-  //   const char*
-  //   char*
-  //   const wchar_t*
-  //   wchar_t*
-  template <typename CharType>
-  bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
-    return s != nullptr && MatchAndExplain(StringType(s), listener);
-  }
-
-  // Matches anything that can convert to StringType.
-  //
-  // This is a template, not just a plain function with const StringType&,
-  // because StringView has some interfering non-explicit constructors.
-  template <typename MatcheeStringType>
-  bool MatchAndExplain(const MatcheeStringType& s,
-                       MatchResultListener* /* listener */) const {
-    return StringType(s).find(substring_) != StringType::npos;
-  }
-
-  // Describes what this matcher matches.
-  void DescribeTo(::std::ostream* os) const {
-    *os << "has substring ";
-    UniversalPrint(substring_, os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "has no substring ";
-    UniversalPrint(substring_, os);
-  }
-
- private:
-  const StringType substring_;
-};
-
-// Implements the polymorphic StartsWith(substring) matcher, which
-// can be used as a Matcher<T> as long as T can be converted to a
-// string.
-template <typename StringType>
-class StartsWithMatcher {
- public:
-  explicit StartsWithMatcher(const StringType& prefix) : prefix_(prefix) {
-  }
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  bool MatchAndExplain(const internal::StringView& s,
-                       MatchResultListener* listener) const {
-    // This should fail to compile if StringView is used with wide
-    // strings.
-    const StringType& str = std::string(s);
-    return MatchAndExplain(str, listener);
-  }
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-  // Accepts pointer types, particularly:
-  //   const char*
-  //   char*
-  //   const wchar_t*
-  //   wchar_t*
-  template <typename CharType>
-  bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
-    return s != nullptr && MatchAndExplain(StringType(s), listener);
-  }
-
-  // Matches anything that can convert to StringType.
-  //
-  // This is a template, not just a plain function with const StringType&,
-  // because StringView has some interfering non-explicit constructors.
-  template <typename MatcheeStringType>
-  bool MatchAndExplain(const MatcheeStringType& s,
-                       MatchResultListener* /* listener */) const {
-    const StringType& s2(s);
-    return s2.length() >= prefix_.length() &&
-        s2.substr(0, prefix_.length()) == prefix_;
-  }
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "starts with ";
-    UniversalPrint(prefix_, os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "doesn't start with ";
-    UniversalPrint(prefix_, os);
-  }
-
- private:
-  const StringType prefix_;
-};
-
-// Implements the polymorphic EndsWith(substring) matcher, which
-// can be used as a Matcher<T> as long as T can be converted to a
-// string.
-template <typename StringType>
-class EndsWithMatcher {
- public:
-  explicit EndsWithMatcher(const StringType& suffix) : suffix_(suffix) {}
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  bool MatchAndExplain(const internal::StringView& s,
-                       MatchResultListener* listener) const {
-    // This should fail to compile if StringView is used with wide
-    // strings.
-    const StringType& str = std::string(s);
-    return MatchAndExplain(str, listener);
-  }
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-  // Accepts pointer types, particularly:
-  //   const char*
-  //   char*
-  //   const wchar_t*
-  //   wchar_t*
-  template <typename CharType>
-  bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
-    return s != nullptr && MatchAndExplain(StringType(s), listener);
-  }
-
-  // Matches anything that can convert to StringType.
-  //
-  // This is a template, not just a plain function with const StringType&,
-  // because StringView has some interfering non-explicit constructors.
-  template <typename MatcheeStringType>
-  bool MatchAndExplain(const MatcheeStringType& s,
-                       MatchResultListener* /* listener */) const {
-    const StringType& s2(s);
-    return s2.length() >= suffix_.length() &&
-        s2.substr(s2.length() - suffix_.length()) == suffix_;
-  }
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "ends with ";
-    UniversalPrint(suffix_, os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "doesn't end with ";
-    UniversalPrint(suffix_, os);
-  }
-
- private:
-  const StringType suffix_;
-};
-
-// Implements a matcher that compares the two fields of a 2-tuple
-// using one of the ==, <=, <, etc, operators.  The two fields being
-// compared don't have to have the same type.
-//
-// The matcher defined here is polymorphic (for example, Eq() can be
-// used to match a std::tuple<int, short>, a std::tuple<const long&, double>,
-// etc).  Therefore we use a template type conversion operator in the
-// implementation.
-template <typename D, typename Op>
-class PairMatchBase {
- public:
-  template <typename T1, typename T2>
-  operator Matcher<::std::tuple<T1, T2>>() const {
-    return Matcher<::std::tuple<T1, T2>>(new Impl<const ::std::tuple<T1, T2>&>);
-  }
-  template <typename T1, typename T2>
-  operator Matcher<const ::std::tuple<T1, T2>&>() const {
-    return MakeMatcher(new Impl<const ::std::tuple<T1, T2>&>);
-  }
-
- private:
-  static ::std::ostream& GetDesc(::std::ostream& os) {  // NOLINT
-    return os << D::Desc();
-  }
-
-  template <typename Tuple>
-  class Impl : public MatcherInterface<Tuple> {
-   public:
-    bool MatchAndExplain(Tuple args,
-                         MatchResultListener* /* listener */) const override {
-      return Op()(::std::get<0>(args), ::std::get<1>(args));
-    }
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "are " << GetDesc;
-    }
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "aren't " << GetDesc;
-    }
-  };
-};
-
-class Eq2Matcher : public PairMatchBase<Eq2Matcher, AnyEq> {
- public:
-  static const char* Desc() { return "an equal pair"; }
-};
-class Ne2Matcher : public PairMatchBase<Ne2Matcher, AnyNe> {
- public:
-  static const char* Desc() { return "an unequal pair"; }
-};
-class Lt2Matcher : public PairMatchBase<Lt2Matcher, AnyLt> {
- public:
-  static const char* Desc() { return "a pair where the first < the second"; }
-};
-class Gt2Matcher : public PairMatchBase<Gt2Matcher, AnyGt> {
- public:
-  static const char* Desc() { return "a pair where the first > the second"; }
-};
-class Le2Matcher : public PairMatchBase<Le2Matcher, AnyLe> {
- public:
-  static const char* Desc() { return "a pair where the first <= the second"; }
-};
-class Ge2Matcher : public PairMatchBase<Ge2Matcher, AnyGe> {
- public:
-  static const char* Desc() { return "a pair where the first >= the second"; }
-};
-
-// Implements the Not(...) matcher for a particular argument type T.
-// We do not nest it inside the NotMatcher class template, as that
-// will prevent different instantiations of NotMatcher from sharing
-// the same NotMatcherImpl<T> class.
-template <typename T>
-class NotMatcherImpl : public MatcherInterface<const T&> {
- public:
-  explicit NotMatcherImpl(const Matcher<T>& matcher)
-      : matcher_(matcher) {}
-
-  bool MatchAndExplain(const T& x,
-                       MatchResultListener* listener) const override {
-    return !matcher_.MatchAndExplain(x, listener);
-  }
-
-  void DescribeTo(::std::ostream* os) const override {
-    matcher_.DescribeNegationTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    matcher_.DescribeTo(os);
-  }
-
- private:
-  const Matcher<T> matcher_;
-};
-
-// Implements the Not(m) matcher, which matches a value that doesn't
-// match matcher m.
-template <typename InnerMatcher>
-class NotMatcher {
- public:
-  explicit NotMatcher(InnerMatcher matcher) : matcher_(matcher) {}
-
-  // This template type conversion operator allows Not(m) to be used
-  // to match any type m can match.
-  template <typename T>
-  operator Matcher<T>() const {
-    return Matcher<T>(new NotMatcherImpl<T>(SafeMatcherCast<T>(matcher_)));
-  }
-
- private:
-  InnerMatcher matcher_;
-};
-
-// Implements the AllOf(m1, m2) matcher for a particular argument type
-// T. We do not nest it inside the BothOfMatcher class template, as
-// that will prevent different instantiations of BothOfMatcher from
-// sharing the same BothOfMatcherImpl<T> class.
-template <typename T>
-class AllOfMatcherImpl : public MatcherInterface<const T&> {
- public:
-  explicit AllOfMatcherImpl(std::vector<Matcher<T> > matchers)
-      : matchers_(std::move(matchers)) {}
-
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "(";
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      if (i != 0) *os << ") and (";
-      matchers_[i].DescribeTo(os);
-    }
-    *os << ")";
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "(";
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      if (i != 0) *os << ") or (";
-      matchers_[i].DescribeNegationTo(os);
-    }
-    *os << ")";
-  }
-
-  bool MatchAndExplain(const T& x,
-                       MatchResultListener* listener) const override {
-    // If either matcher1_ or matcher2_ doesn't match x, we only need
-    // to explain why one of them fails.
-    std::string all_match_result;
-
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      StringMatchResultListener slistener;
-      if (matchers_[i].MatchAndExplain(x, &slistener)) {
-        if (all_match_result.empty()) {
-          all_match_result = slistener.str();
-        } else {
-          std::string result = slistener.str();
-          if (!result.empty()) {
-            all_match_result += ", and ";
-            all_match_result += result;
-          }
-        }
-      } else {
-        *listener << slistener.str();
-        return false;
-      }
-    }
-
-    // Otherwise we need to explain why *both* of them match.
-    *listener << all_match_result;
-    return true;
-  }
-
- private:
-  const std::vector<Matcher<T> > matchers_;
-};
-
-// VariadicMatcher is used for the variadic implementation of
-// AllOf(m_1, m_2, ...) and AnyOf(m_1, m_2, ...).
-// CombiningMatcher<T> is used to recursively combine the provided matchers
-// (of type Args...).
-template <template <typename T> class CombiningMatcher, typename... Args>
-class VariadicMatcher {
- public:
-  VariadicMatcher(const Args&... matchers)  // NOLINT
-      : matchers_(matchers...) {
-    static_assert(sizeof...(Args) > 0, "Must have at least one matcher.");
-  }
-
-  VariadicMatcher(const VariadicMatcher&) = default;
-  VariadicMatcher& operator=(const VariadicMatcher&) = delete;
-
-  // This template type conversion operator allows an
-  // VariadicMatcher<Matcher1, Matcher2...> object to match any type that
-  // all of the provided matchers (Matcher1, Matcher2, ...) can match.
-  template <typename T>
-  operator Matcher<T>() const {
-    std::vector<Matcher<T> > values;
-    CreateVariadicMatcher<T>(&values, std::integral_constant<size_t, 0>());
-    return Matcher<T>(new CombiningMatcher<T>(std::move(values)));
-  }
-
- private:
-  template <typename T, size_t I>
-  void CreateVariadicMatcher(std::vector<Matcher<T> >* values,
-                             std::integral_constant<size_t, I>) const {
-    values->push_back(SafeMatcherCast<T>(std::get<I>(matchers_)));
-    CreateVariadicMatcher<T>(values, std::integral_constant<size_t, I + 1>());
-  }
-
-  template <typename T>
-  void CreateVariadicMatcher(
-      std::vector<Matcher<T> >*,
-      std::integral_constant<size_t, sizeof...(Args)>) const {}
-
-  std::tuple<Args...> matchers_;
-};
-
-template <typename... Args>
-using AllOfMatcher = VariadicMatcher<AllOfMatcherImpl, Args...>;
-
-// Implements the AnyOf(m1, m2) matcher for a particular argument type
-// T.  We do not nest it inside the AnyOfMatcher class template, as
-// that will prevent different instantiations of AnyOfMatcher from
-// sharing the same EitherOfMatcherImpl<T> class.
-template <typename T>
-class AnyOfMatcherImpl : public MatcherInterface<const T&> {
- public:
-  explicit AnyOfMatcherImpl(std::vector<Matcher<T> > matchers)
-      : matchers_(std::move(matchers)) {}
-
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "(";
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      if (i != 0) *os << ") or (";
-      matchers_[i].DescribeTo(os);
-    }
-    *os << ")";
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "(";
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      if (i != 0) *os << ") and (";
-      matchers_[i].DescribeNegationTo(os);
-    }
-    *os << ")";
-  }
-
-  bool MatchAndExplain(const T& x,
-                       MatchResultListener* listener) const override {
-    std::string no_match_result;
-
-    // If either matcher1_ or matcher2_ matches x, we just need to
-    // explain why *one* of them matches.
-    for (size_t i = 0; i < matchers_.size(); ++i) {
-      StringMatchResultListener slistener;
-      if (matchers_[i].MatchAndExplain(x, &slistener)) {
-        *listener << slistener.str();
-        return true;
-      } else {
-        if (no_match_result.empty()) {
-          no_match_result = slistener.str();
-        } else {
-          std::string result = slistener.str();
-          if (!result.empty()) {
-            no_match_result += ", and ";
-            no_match_result += result;
-          }
-        }
-      }
-    }
-
-    // Otherwise we need to explain why *both* of them fail.
-    *listener << no_match_result;
-    return false;
-  }
-
- private:
-  const std::vector<Matcher<T> > matchers_;
-};
-
-// AnyOfMatcher is used for the variadic implementation of AnyOf(m_1, m_2, ...).
-template <typename... Args>
-using AnyOfMatcher = VariadicMatcher<AnyOfMatcherImpl, Args...>;
-
-// Wrapper for implementation of Any/AllOfArray().
-template <template <class> class MatcherImpl, typename T>
-class SomeOfArrayMatcher {
- public:
-  // Constructs the matcher from a sequence of element values or
-  // element matchers.
-  template <typename Iter>
-  SomeOfArrayMatcher(Iter first, Iter last) : matchers_(first, last) {}
-
-  template <typename U>
-  operator Matcher<U>() const {  // NOLINT
-    using RawU = typename std::decay<U>::type;
-    std::vector<Matcher<RawU>> matchers;
-    for (const auto& matcher : matchers_) {
-      matchers.push_back(MatcherCast<RawU>(matcher));
-    }
-    return Matcher<U>(new MatcherImpl<RawU>(std::move(matchers)));
-  }
-
- private:
-  const ::std::vector<T> matchers_;
-};
-
-template <typename T>
-using AllOfArrayMatcher = SomeOfArrayMatcher<AllOfMatcherImpl, T>;
-
-template <typename T>
-using AnyOfArrayMatcher = SomeOfArrayMatcher<AnyOfMatcherImpl, T>;
-
-// Used for implementing Truly(pred), which turns a predicate into a
-// matcher.
-template <typename Predicate>
-class TrulyMatcher {
- public:
-  explicit TrulyMatcher(Predicate pred) : predicate_(pred) {}
-
-  // This method template allows Truly(pred) to be used as a matcher
-  // for type T where T is the argument type of predicate 'pred'.  The
-  // argument is passed by reference as the predicate may be
-  // interested in the address of the argument.
-  template <typename T>
-  bool MatchAndExplain(T& x,  // NOLINT
-                       MatchResultListener* listener) const {
-    // Without the if-statement, MSVC sometimes warns about converting
-    // a value to bool (warning 4800).
-    //
-    // We cannot write 'return !!predicate_(x);' as that doesn't work
-    // when predicate_(x) returns a class convertible to bool but
-    // having no operator!().
-    if (predicate_(x))
-      return true;
-    *listener << "didn't satisfy the given predicate";
-    return false;
-  }
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "satisfies the given predicate";
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "doesn't satisfy the given predicate";
-  }
-
- private:
-  Predicate predicate_;
-};
-
-// Used for implementing Matches(matcher), which turns a matcher into
-// a predicate.
-template <typename M>
-class MatcherAsPredicate {
- public:
-  explicit MatcherAsPredicate(M matcher) : matcher_(matcher) {}
-
-  // This template operator() allows Matches(m) to be used as a
-  // predicate on type T where m is a matcher on type T.
-  //
-  // The argument x is passed by reference instead of by value, as
-  // some matcher may be interested in its address (e.g. as in
-  // Matches(Ref(n))(x)).
-  template <typename T>
-  bool operator()(const T& x) const {
-    // We let matcher_ commit to a particular type here instead of
-    // when the MatcherAsPredicate object was constructed.  This
-    // allows us to write Matches(m) where m is a polymorphic matcher
-    // (e.g. Eq(5)).
-    //
-    // If we write Matcher<T>(matcher_).Matches(x) here, it won't
-    // compile when matcher_ has type Matcher<const T&>; if we write
-    // Matcher<const T&>(matcher_).Matches(x) here, it won't compile
-    // when matcher_ has type Matcher<T>; if we just write
-    // matcher_.Matches(x), it won't compile when matcher_ is
-    // polymorphic, e.g. Eq(5).
-    //
-    // MatcherCast<const T&>() is necessary for making the code work
-    // in all of the above situations.
-    return MatcherCast<const T&>(matcher_).Matches(x);
-  }
-
- private:
-  M matcher_;
-};
-
-// For implementing ASSERT_THAT() and EXPECT_THAT().  The template
-// argument M must be a type that can be converted to a matcher.
-template <typename M>
-class PredicateFormatterFromMatcher {
- public:
-  explicit PredicateFormatterFromMatcher(M m) : matcher_(std::move(m)) {}
-
-  // This template () operator allows a PredicateFormatterFromMatcher
-  // object to act as a predicate-formatter suitable for using with
-  // Google Test's EXPECT_PRED_FORMAT1() macro.
-  template <typename T>
-  AssertionResult operator()(const char* value_text, const T& x) const {
-    // We convert matcher_ to a Matcher<const T&> *now* instead of
-    // when the PredicateFormatterFromMatcher object was constructed,
-    // as matcher_ may be polymorphic (e.g. NotNull()) and we won't
-    // know which type to instantiate it to until we actually see the
-    // type of x here.
-    //
-    // We write SafeMatcherCast<const T&>(matcher_) instead of
-    // Matcher<const T&>(matcher_), as the latter won't compile when
-    // matcher_ has type Matcher<T> (e.g. An<int>()).
-    // We don't write MatcherCast<const T&> either, as that allows
-    // potentially unsafe downcasting of the matcher argument.
-    const Matcher<const T&> matcher = SafeMatcherCast<const T&>(matcher_);
-
-    // The expected path here is that the matcher should match (i.e. that most
-    // tests pass) so optimize for this case.
-    if (matcher.Matches(x)) {
-      return AssertionSuccess();
-    }
-
-    ::std::stringstream ss;
-    ss << "Value of: " << value_text << "\n"
-       << "Expected: ";
-    matcher.DescribeTo(&ss);
-
-    // Rerun the matcher to "PrintAndExplain" the failure.
-    StringMatchResultListener listener;
-    if (MatchPrintAndExplain(x, matcher, &listener)) {
-      ss << "\n  The matcher failed on the initial attempt; but passed when "
-            "rerun to generate the explanation.";
-    }
-    ss << "\n  Actual: " << listener.str();
-    return AssertionFailure() << ss.str();
-  }
-
- private:
-  const M matcher_;
-};
-
-// A helper function for converting a matcher to a predicate-formatter
-// without the user needing to explicitly write the type.  This is
-// used for implementing ASSERT_THAT() and EXPECT_THAT().
-// Implementation detail: 'matcher' is received by-value to force decaying.
-template <typename M>
-inline PredicateFormatterFromMatcher<M>
-MakePredicateFormatterFromMatcher(M matcher) {
-  return PredicateFormatterFromMatcher<M>(std::move(matcher));
-}
-
-// Implements the polymorphic IsNan() matcher, which matches any floating type
-// value that is Nan.
-class IsNanMatcher {
- public:
-  template <typename FloatType>
-  bool MatchAndExplain(const FloatType& f,
-                       MatchResultListener* /* listener */) const {
-    return (::std::isnan)(f);
-  }
-
-  void DescribeTo(::std::ostream* os) const { *os << "is NaN"; }
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "isn't NaN";
-  }
-};
-
-// Implements the polymorphic floating point equality matcher, which matches
-// two float values using ULP-based approximation or, optionally, a
-// user-specified epsilon.  The template is meant to be instantiated with
-// FloatType being either float or double.
-template <typename FloatType>
-class FloatingEqMatcher {
- public:
-  // Constructor for FloatingEqMatcher.
-  // The matcher's input will be compared with expected.  The matcher treats two
-  // NANs as equal if nan_eq_nan is true.  Otherwise, under IEEE standards,
-  // equality comparisons between NANs will always return false.  We specify a
-  // negative max_abs_error_ term to indicate that ULP-based approximation will
-  // be used for comparison.
-  FloatingEqMatcher(FloatType expected, bool nan_eq_nan) :
-    expected_(expected), nan_eq_nan_(nan_eq_nan), max_abs_error_(-1) {
-  }
-
-  // Constructor that supports a user-specified max_abs_error that will be used
-  // for comparison instead of ULP-based approximation.  The max absolute
-  // should be non-negative.
-  FloatingEqMatcher(FloatType expected, bool nan_eq_nan,
-                    FloatType max_abs_error)
-      : expected_(expected),
-        nan_eq_nan_(nan_eq_nan),
-        max_abs_error_(max_abs_error) {
-    GTEST_CHECK_(max_abs_error >= 0)
-        << ", where max_abs_error is" << max_abs_error;
-  }
-
-  // Implements floating point equality matcher as a Matcher<T>.
-  template <typename T>
-  class Impl : public MatcherInterface<T> {
-   public:
-    Impl(FloatType expected, bool nan_eq_nan, FloatType max_abs_error)
-        : expected_(expected),
-          nan_eq_nan_(nan_eq_nan),
-          max_abs_error_(max_abs_error) {}
-
-    bool MatchAndExplain(T value,
-                         MatchResultListener* listener) const override {
-      const FloatingPoint<FloatType> actual(value), expected(expected_);
-
-      // Compares NaNs first, if nan_eq_nan_ is true.
-      if (actual.is_nan() || expected.is_nan()) {
-        if (actual.is_nan() && expected.is_nan()) {
-          return nan_eq_nan_;
-        }
-        // One is nan; the other is not nan.
-        return false;
-      }
-      if (HasMaxAbsError()) {
-        // We perform an equality check so that inf will match inf, regardless
-        // of error bounds.  If the result of value - expected_ would result in
-        // overflow or if either value is inf, the default result is infinity,
-        // which should only match if max_abs_error_ is also infinity.
-        if (value == expected_) {
-          return true;
-        }
-
-        const FloatType diff = value - expected_;
-        if (::std::fabs(diff) <= max_abs_error_) {
-          return true;
-        }
-
-        if (listener->IsInterested()) {
-          *listener << "which is " << diff << " from " << expected_;
-        }
-        return false;
-      } else {
-        return actual.AlmostEquals(expected);
-      }
-    }
-
-    void DescribeTo(::std::ostream* os) const override {
-      // os->precision() returns the previously set precision, which we
-      // store to restore the ostream to its original configuration
-      // after outputting.
-      const ::std::streamsize old_precision = os->precision(
-          ::std::numeric_limits<FloatType>::digits10 + 2);
-      if (FloatingPoint<FloatType>(expected_).is_nan()) {
-        if (nan_eq_nan_) {
-          *os << "is NaN";
-        } else {
-          *os << "never matches";
-        }
-      } else {
-        *os << "is approximately " << expected_;
-        if (HasMaxAbsError()) {
-          *os << " (absolute error <= " << max_abs_error_ << ")";
-        }
-      }
-      os->precision(old_precision);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      // As before, get original precision.
-      const ::std::streamsize old_precision = os->precision(
-          ::std::numeric_limits<FloatType>::digits10 + 2);
-      if (FloatingPoint<FloatType>(expected_).is_nan()) {
-        if (nan_eq_nan_) {
-          *os << "isn't NaN";
-        } else {
-          *os << "is anything";
-        }
-      } else {
-        *os << "isn't approximately " << expected_;
-        if (HasMaxAbsError()) {
-          *os << " (absolute error > " << max_abs_error_ << ")";
-        }
-      }
-      // Restore original precision.
-      os->precision(old_precision);
-    }
-
-   private:
-    bool HasMaxAbsError() const {
-      return max_abs_error_ >= 0;
-    }
-
-    const FloatType expected_;
-    const bool nan_eq_nan_;
-    // max_abs_error will be used for value comparison when >= 0.
-    const FloatType max_abs_error_;
-  };
-
-  // The following 3 type conversion operators allow FloatEq(expected) and
-  // NanSensitiveFloatEq(expected) to be used as a Matcher<float>, a
-  // Matcher<const float&>, or a Matcher<float&>, but nothing else.
-  operator Matcher<FloatType>() const {
-    return MakeMatcher(
-        new Impl<FloatType>(expected_, nan_eq_nan_, max_abs_error_));
-  }
-
-  operator Matcher<const FloatType&>() const {
-    return MakeMatcher(
-        new Impl<const FloatType&>(expected_, nan_eq_nan_, max_abs_error_));
-  }
-
-  operator Matcher<FloatType&>() const {
-    return MakeMatcher(
-        new Impl<FloatType&>(expected_, nan_eq_nan_, max_abs_error_));
-  }
-
- private:
-  const FloatType expected_;
-  const bool nan_eq_nan_;
-  // max_abs_error will be used for value comparison when >= 0.
-  const FloatType max_abs_error_;
-};
-
-// A 2-tuple ("binary") wrapper around FloatingEqMatcher:
-// FloatingEq2Matcher() matches (x, y) by matching FloatingEqMatcher(x, false)
-// against y, and FloatingEq2Matcher(e) matches FloatingEqMatcher(x, false, e)
-// against y. The former implements "Eq", the latter "Near". At present, there
-// is no version that compares NaNs as equal.
-template <typename FloatType>
-class FloatingEq2Matcher {
- public:
-  FloatingEq2Matcher() { Init(-1, false); }
-
-  explicit FloatingEq2Matcher(bool nan_eq_nan) { Init(-1, nan_eq_nan); }
-
-  explicit FloatingEq2Matcher(FloatType max_abs_error) {
-    Init(max_abs_error, false);
-  }
-
-  FloatingEq2Matcher(FloatType max_abs_error, bool nan_eq_nan) {
-    Init(max_abs_error, nan_eq_nan);
-  }
-
-  template <typename T1, typename T2>
-  operator Matcher<::std::tuple<T1, T2>>() const {
-    return MakeMatcher(
-        new Impl<::std::tuple<T1, T2>>(max_abs_error_, nan_eq_nan_));
-  }
-  template <typename T1, typename T2>
-  operator Matcher<const ::std::tuple<T1, T2>&>() const {
-    return MakeMatcher(
-        new Impl<const ::std::tuple<T1, T2>&>(max_abs_error_, nan_eq_nan_));
-  }
-
- private:
-  static ::std::ostream& GetDesc(::std::ostream& os) {  // NOLINT
-    return os << "an almost-equal pair";
-  }
-
-  template <typename Tuple>
-  class Impl : public MatcherInterface<Tuple> {
-   public:
-    Impl(FloatType max_abs_error, bool nan_eq_nan) :
-        max_abs_error_(max_abs_error),
-        nan_eq_nan_(nan_eq_nan) {}
-
-    bool MatchAndExplain(Tuple args,
-                         MatchResultListener* listener) const override {
-      if (max_abs_error_ == -1) {
-        FloatingEqMatcher<FloatType> fm(::std::get<0>(args), nan_eq_nan_);
-        return static_cast<Matcher<FloatType>>(fm).MatchAndExplain(
-            ::std::get<1>(args), listener);
-      } else {
-        FloatingEqMatcher<FloatType> fm(::std::get<0>(args), nan_eq_nan_,
-                                        max_abs_error_);
-        return static_cast<Matcher<FloatType>>(fm).MatchAndExplain(
-            ::std::get<1>(args), listener);
-      }
-    }
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "are " << GetDesc;
-    }
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "aren't " << GetDesc;
-    }
-
-   private:
-    FloatType max_abs_error_;
-    const bool nan_eq_nan_;
-  };
-
-  void Init(FloatType max_abs_error_val, bool nan_eq_nan_val) {
-    max_abs_error_ = max_abs_error_val;
-    nan_eq_nan_ = nan_eq_nan_val;
-  }
-  FloatType max_abs_error_;
-  bool nan_eq_nan_;
-};
-
-// Implements the Pointee(m) matcher for matching a pointer whose
-// pointee matches matcher m.  The pointer can be either raw or smart.
-template <typename InnerMatcher>
-class PointeeMatcher {
- public:
-  explicit PointeeMatcher(const InnerMatcher& matcher) : matcher_(matcher) {}
-
-  // This type conversion operator template allows Pointee(m) to be
-  // used as a matcher for any pointer type whose pointee type is
-  // compatible with the inner matcher, where type Pointer can be
-  // either a raw pointer or a smart pointer.
-  //
-  // The reason we do this instead of relying on
-  // MakePolymorphicMatcher() is that the latter is not flexible
-  // enough for implementing the DescribeTo() method of Pointee().
-  template <typename Pointer>
-  operator Matcher<Pointer>() const {
-    return Matcher<Pointer>(new Impl<const Pointer&>(matcher_));
-  }
-
- private:
-  // The monomorphic implementation that works for a particular pointer type.
-  template <typename Pointer>
-  class Impl : public MatcherInterface<Pointer> {
-   public:
-    using Pointee =
-        typename std::pointer_traits<GTEST_REMOVE_REFERENCE_AND_CONST_(
-            Pointer)>::element_type;
-
-    explicit Impl(const InnerMatcher& matcher)
-        : matcher_(MatcherCast<const Pointee&>(matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "points to a value that ";
-      matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "does not point to a value that ";
-      matcher_.DescribeTo(os);
-    }
-
-    bool MatchAndExplain(Pointer pointer,
-                         MatchResultListener* listener) const override {
-      if (GetRawPointer(pointer) == nullptr) return false;
-
-      *listener << "which points to ";
-      return MatchPrintAndExplain(*pointer, matcher_, listener);
-    }
-
-   private:
-    const Matcher<const Pointee&> matcher_;
-  };
-
-  const InnerMatcher matcher_;
-};
-
-// Implements the Pointer(m) matcher
-// Implements the Pointer(m) matcher for matching a pointer that matches matcher
-// m.  The pointer can be either raw or smart, and will match `m` against the
-// raw pointer.
-template <typename InnerMatcher>
-class PointerMatcher {
- public:
-  explicit PointerMatcher(const InnerMatcher& matcher) : matcher_(matcher) {}
-
-  // This type conversion operator template allows Pointer(m) to be
-  // used as a matcher for any pointer type whose pointer type is
-  // compatible with the inner matcher, where type PointerType can be
-  // either a raw pointer or a smart pointer.
-  //
-  // The reason we do this instead of relying on
-  // MakePolymorphicMatcher() is that the latter is not flexible
-  // enough for implementing the DescribeTo() method of Pointer().
-  template <typename PointerType>
-  operator Matcher<PointerType>() const {  // NOLINT
-    return Matcher<PointerType>(new Impl<const PointerType&>(matcher_));
-  }
-
- private:
-  // The monomorphic implementation that works for a particular pointer type.
-  template <typename PointerType>
-  class Impl : public MatcherInterface<PointerType> {
-   public:
-    using Pointer =
-        const typename std::pointer_traits<GTEST_REMOVE_REFERENCE_AND_CONST_(
-            PointerType)>::element_type*;
-
-    explicit Impl(const InnerMatcher& matcher)
-        : matcher_(MatcherCast<Pointer>(matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "is a pointer that ";
-      matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "is not a pointer that ";
-      matcher_.DescribeTo(os);
-    }
-
-    bool MatchAndExplain(PointerType pointer,
-                         MatchResultListener* listener) const override {
-      *listener << "which is a pointer that ";
-      Pointer p = GetRawPointer(pointer);
-      return MatchPrintAndExplain(p, matcher_, listener);
-    }
-
-   private:
-    Matcher<Pointer> matcher_;
-  };
-
-  const InnerMatcher matcher_;
-};
-
-#if GTEST_HAS_RTTI
-// Implements the WhenDynamicCastTo<T>(m) matcher that matches a pointer or
-// reference that matches inner_matcher when dynamic_cast<T> is applied.
-// The result of dynamic_cast<To> is forwarded to the inner matcher.
-// If To is a pointer and the cast fails, the inner matcher will receive NULL.
-// If To is a reference and the cast fails, this matcher returns false
-// immediately.
-template <typename To>
-class WhenDynamicCastToMatcherBase {
- public:
-  explicit WhenDynamicCastToMatcherBase(const Matcher<To>& matcher)
-      : matcher_(matcher) {}
-
-  void DescribeTo(::std::ostream* os) const {
-    GetCastTypeDescription(os);
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    GetCastTypeDescription(os);
-    matcher_.DescribeNegationTo(os);
-  }
-
- protected:
-  const Matcher<To> matcher_;
-
-  static std::string GetToName() {
-    return GetTypeName<To>();
-  }
-
- private:
-  static void GetCastTypeDescription(::std::ostream* os) {
-    *os << "when dynamic_cast to " << GetToName() << ", ";
-  }
-};
-
-// Primary template.
-// To is a pointer. Cast and forward the result.
-template <typename To>
-class WhenDynamicCastToMatcher : public WhenDynamicCastToMatcherBase<To> {
- public:
-  explicit WhenDynamicCastToMatcher(const Matcher<To>& matcher)
-      : WhenDynamicCastToMatcherBase<To>(matcher) {}
-
-  template <typename From>
-  bool MatchAndExplain(From from, MatchResultListener* listener) const {
-    To to = dynamic_cast<To>(from);
-    return MatchPrintAndExplain(to, this->matcher_, listener);
-  }
-};
-
-// Specialize for references.
-// In this case we return false if the dynamic_cast fails.
-template <typename To>
-class WhenDynamicCastToMatcher<To&> : public WhenDynamicCastToMatcherBase<To&> {
- public:
-  explicit WhenDynamicCastToMatcher(const Matcher<To&>& matcher)
-      : WhenDynamicCastToMatcherBase<To&>(matcher) {}
-
-  template <typename From>
-  bool MatchAndExplain(From& from, MatchResultListener* listener) const {
-    // We don't want an std::bad_cast here, so do the cast with pointers.
-    To* to = dynamic_cast<To*>(&from);
-    if (to == nullptr) {
-      *listener << "which cannot be dynamic_cast to " << this->GetToName();
-      return false;
-    }
-    return MatchPrintAndExplain(*to, this->matcher_, listener);
-  }
-};
-#endif  // GTEST_HAS_RTTI
-
-// Implements the Field() matcher for matching a field (i.e. member
-// variable) of an object.
-template <typename Class, typename FieldType>
-class FieldMatcher {
- public:
-  FieldMatcher(FieldType Class::*field,
-               const Matcher<const FieldType&>& matcher)
-      : field_(field), matcher_(matcher), whose_field_("whose given field ") {}
-
-  FieldMatcher(const std::string& field_name, FieldType Class::*field,
-               const Matcher<const FieldType&>& matcher)
-      : field_(field),
-        matcher_(matcher),
-        whose_field_("whose field `" + field_name + "` ") {}
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "is an object " << whose_field_;
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "is an object " << whose_field_;
-    matcher_.DescribeNegationTo(os);
-  }
-
-  template <typename T>
-  bool MatchAndExplain(const T& value, MatchResultListener* listener) const {
-    // FIXME: The dispatch on std::is_pointer was introduced as a workaround for
-    // a compiler bug, and can now be removed.
-    return MatchAndExplainImpl(
-        typename std::is_pointer<typename std::remove_const<T>::type>::type(),
-        value, listener);
-  }
-
- private:
-  bool MatchAndExplainImpl(std::false_type /* is_not_pointer */,
-                           const Class& obj,
-                           MatchResultListener* listener) const {
-    *listener << whose_field_ << "is ";
-    return MatchPrintAndExplain(obj.*field_, matcher_, listener);
-  }
-
-  bool MatchAndExplainImpl(std::true_type /* is_pointer */, const Class* p,
-                           MatchResultListener* listener) const {
-    if (p == nullptr) return false;
-
-    *listener << "which points to an object ";
-    // Since *p has a field, it must be a class/struct/union type and
-    // thus cannot be a pointer.  Therefore we pass false_type() as
-    // the first argument.
-    return MatchAndExplainImpl(std::false_type(), *p, listener);
-  }
-
-  const FieldType Class::*field_;
-  const Matcher<const FieldType&> matcher_;
-
-  // Contains either "whose given field " if the name of the field is unknown
-  // or "whose field `name_of_field` " if the name is known.
-  const std::string whose_field_;
-};
-
-// Implements the Property() matcher for matching a property
-// (i.e. return value of a getter method) of an object.
-//
-// Property is a const-qualified member function of Class returning
-// PropertyType.
-template <typename Class, typename PropertyType, typename Property>
-class PropertyMatcher {
- public:
-  typedef const PropertyType& RefToConstProperty;
-
-  PropertyMatcher(Property property, const Matcher<RefToConstProperty>& matcher)
-      : property_(property),
-        matcher_(matcher),
-        whose_property_("whose given property ") {}
-
-  PropertyMatcher(const std::string& property_name, Property property,
-                  const Matcher<RefToConstProperty>& matcher)
-      : property_(property),
-        matcher_(matcher),
-        whose_property_("whose property `" + property_name + "` ") {}
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "is an object " << whose_property_;
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "is an object " << whose_property_;
-    matcher_.DescribeNegationTo(os);
-  }
-
-  template <typename T>
-  bool MatchAndExplain(const T&value, MatchResultListener* listener) const {
-    return MatchAndExplainImpl(
-        typename std::is_pointer<typename std::remove_const<T>::type>::type(),
-        value, listener);
-  }
-
- private:
-  bool MatchAndExplainImpl(std::false_type /* is_not_pointer */,
-                           const Class& obj,
-                           MatchResultListener* listener) const {
-    *listener << whose_property_ << "is ";
-    // Cannot pass the return value (for example, int) to MatchPrintAndExplain,
-    // which takes a non-const reference as argument.
-    RefToConstProperty result = (obj.*property_)();
-    return MatchPrintAndExplain(result, matcher_, listener);
-  }
-
-  bool MatchAndExplainImpl(std::true_type /* is_pointer */, const Class* p,
-                           MatchResultListener* listener) const {
-    if (p == nullptr) return false;
-
-    *listener << "which points to an object ";
-    // Since *p has a property method, it must be a class/struct/union
-    // type and thus cannot be a pointer.  Therefore we pass
-    // false_type() as the first argument.
-    return MatchAndExplainImpl(std::false_type(), *p, listener);
-  }
-
-  Property property_;
-  const Matcher<RefToConstProperty> matcher_;
-
-  // Contains either "whose given property " if the name of the property is
-  // unknown or "whose property `name_of_property` " if the name is known.
-  const std::string whose_property_;
-};
-
-// Type traits specifying various features of different functors for ResultOf.
-// The default template specifies features for functor objects.
-template <typename Functor>
-struct CallableTraits {
-  typedef Functor StorageType;
-
-  static void CheckIsValid(Functor /* functor */) {}
-
-  template <typename T>
-  static auto Invoke(Functor f, const T& arg) -> decltype(f(arg)) {
-    return f(arg);
-  }
-};
-
-// Specialization for function pointers.
-template <typename ArgType, typename ResType>
-struct CallableTraits<ResType(*)(ArgType)> {
-  typedef ResType ResultType;
-  typedef ResType(*StorageType)(ArgType);
-
-  static void CheckIsValid(ResType(*f)(ArgType)) {
-    GTEST_CHECK_(f != nullptr)
-        << "NULL function pointer is passed into ResultOf().";
-  }
-  template <typename T>
-  static ResType Invoke(ResType(*f)(ArgType), T arg) {
-    return (*f)(arg);
-  }
-};
-
-// Implements the ResultOf() matcher for matching a return value of a
-// unary function of an object.
-template <typename Callable, typename InnerMatcher>
-class ResultOfMatcher {
- public:
-  ResultOfMatcher(Callable callable, InnerMatcher matcher)
-      : callable_(std::move(callable)), matcher_(std::move(matcher)) {
-    CallableTraits<Callable>::CheckIsValid(callable_);
-  }
-
-  template <typename T>
-  operator Matcher<T>() const {
-    return Matcher<T>(new Impl<const T&>(callable_, matcher_));
-  }
-
- private:
-  typedef typename CallableTraits<Callable>::StorageType CallableStorageType;
-
-  template <typename T>
-  class Impl : public MatcherInterface<T> {
-    using ResultType = decltype(CallableTraits<Callable>::template Invoke<T>(
-        std::declval<CallableStorageType>(), std::declval<T>()));
-
-   public:
-    template <typename M>
-    Impl(const CallableStorageType& callable, const M& matcher)
-        : callable_(callable), matcher_(MatcherCast<ResultType>(matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "is mapped by the given callable to a value that ";
-      matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "is mapped by the given callable to a value that ";
-      matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(T obj, MatchResultListener* listener) const override {
-      *listener << "which is mapped by the given callable to ";
-      // Cannot pass the return value directly to MatchPrintAndExplain, which
-      // takes a non-const reference as argument.
-      // Also, specifying template argument explicitly is needed because T could
-      // be a non-const reference (e.g. Matcher<Uncopyable&>).
-      ResultType result =
-          CallableTraits<Callable>::template Invoke<T>(callable_, obj);
-      return MatchPrintAndExplain(result, matcher_, listener);
-    }
-
-   private:
-    // Functors often define operator() as non-const method even though
-    // they are actually stateless. But we need to use them even when
-    // 'this' is a const pointer. It's the user's responsibility not to
-    // use stateful callables with ResultOf(), which doesn't guarantee
-    // how many times the callable will be invoked.
-    mutable CallableStorageType callable_;
-    const Matcher<ResultType> matcher_;
-  };  // class Impl
-
-  const CallableStorageType callable_;
-  const InnerMatcher matcher_;
-};
-
-// Implements a matcher that checks the size of an STL-style container.
-template <typename SizeMatcher>
-class SizeIsMatcher {
- public:
-  explicit SizeIsMatcher(const SizeMatcher& size_matcher)
-       : size_matcher_(size_matcher) {
-  }
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    return Matcher<Container>(new Impl<const Container&>(size_matcher_));
-  }
-
-  template <typename Container>
-  class Impl : public MatcherInterface<Container> {
-   public:
-    using SizeType = decltype(std::declval<Container>().size());
-    explicit Impl(const SizeMatcher& size_matcher)
-        : size_matcher_(MatcherCast<SizeType>(size_matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "size ";
-      size_matcher_.DescribeTo(os);
-    }
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "size ";
-      size_matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(Container container,
-                         MatchResultListener* listener) const override {
-      SizeType size = container.size();
-      StringMatchResultListener size_listener;
-      const bool result = size_matcher_.MatchAndExplain(size, &size_listener);
-      *listener
-          << "whose size " << size << (result ? " matches" : " doesn't match");
-      PrintIfNotEmpty(size_listener.str(), listener->stream());
-      return result;
-    }
-
-   private:
-    const Matcher<SizeType> size_matcher_;
-  };
-
- private:
-  const SizeMatcher size_matcher_;
-};
-
-// Implements a matcher that checks the begin()..end() distance of an STL-style
-// container.
-template <typename DistanceMatcher>
-class BeginEndDistanceIsMatcher {
- public:
-  explicit BeginEndDistanceIsMatcher(const DistanceMatcher& distance_matcher)
-      : distance_matcher_(distance_matcher) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    return Matcher<Container>(new Impl<const Container&>(distance_matcher_));
-  }
-
-  template <typename Container>
-  class Impl : public MatcherInterface<Container> {
-   public:
-    typedef internal::StlContainerView<
-        GTEST_REMOVE_REFERENCE_AND_CONST_(Container)> ContainerView;
-    typedef typename std::iterator_traits<
-        typename ContainerView::type::const_iterator>::difference_type
-        DistanceType;
-    explicit Impl(const DistanceMatcher& distance_matcher)
-        : distance_matcher_(MatcherCast<DistanceType>(distance_matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "distance between begin() and end() ";
-      distance_matcher_.DescribeTo(os);
-    }
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "distance between begin() and end() ";
-      distance_matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(Container container,
-                         MatchResultListener* listener) const override {
-      using std::begin;
-      using std::end;
-      DistanceType distance = std::distance(begin(container), end(container));
-      StringMatchResultListener distance_listener;
-      const bool result =
-          distance_matcher_.MatchAndExplain(distance, &distance_listener);
-      *listener << "whose distance between begin() and end() " << distance
-                << (result ? " matches" : " doesn't match");
-      PrintIfNotEmpty(distance_listener.str(), listener->stream());
-      return result;
-    }
-
-   private:
-    const Matcher<DistanceType> distance_matcher_;
-  };
-
- private:
-  const DistanceMatcher distance_matcher_;
-};
-
-// Implements an equality matcher for any STL-style container whose elements
-// support ==. This matcher is like Eq(), but its failure explanations provide
-// more detailed information that is useful when the container is used as a set.
-// The failure message reports elements that are in one of the operands but not
-// the other. The failure messages do not report duplicate or out-of-order
-// elements in the containers (which don't properly matter to sets, but can
-// occur if the containers are vectors or lists, for example).
-//
-// Uses the container's const_iterator, value_type, operator ==,
-// begin(), and end().
-template <typename Container>
-class ContainerEqMatcher {
- public:
-  typedef internal::StlContainerView<Container> View;
-  typedef typename View::type StlContainer;
-  typedef typename View::const_reference StlContainerReference;
-
-  static_assert(!std::is_const<Container>::value,
-                "Container type must not be const");
-  static_assert(!std::is_reference<Container>::value,
-                "Container type must not be a reference");
-
-  // We make a copy of expected in case the elements in it are modified
-  // after this matcher is created.
-  explicit ContainerEqMatcher(const Container& expected)
-      : expected_(View::Copy(expected)) {}
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << "equals ";
-    UniversalPrint(expected_, os);
-  }
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "does not equal ";
-    UniversalPrint(expected_, os);
-  }
-
-  template <typename LhsContainer>
-  bool MatchAndExplain(const LhsContainer& lhs,
-                       MatchResultListener* listener) const {
-    typedef internal::StlContainerView<
-        typename std::remove_const<LhsContainer>::type>
-        LhsView;
-    typedef typename LhsView::type LhsStlContainer;
-    StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs);
-    if (lhs_stl_container == expected_)
-      return true;
-
-    ::std::ostream* const os = listener->stream();
-    if (os != nullptr) {
-      // Something is different. Check for extra values first.
-      bool printed_header = false;
-      for (typename LhsStlContainer::const_iterator it =
-               lhs_stl_container.begin();
-           it != lhs_stl_container.end(); ++it) {
-        if (internal::ArrayAwareFind(expected_.begin(), expected_.end(), *it) ==
-            expected_.end()) {
-          if (printed_header) {
-            *os << ", ";
-          } else {
-            *os << "which has these unexpected elements: ";
-            printed_header = true;
-          }
-          UniversalPrint(*it, os);
-        }
-      }
-
-      // Now check for missing values.
-      bool printed_header2 = false;
-      for (typename StlContainer::const_iterator it = expected_.begin();
-           it != expected_.end(); ++it) {
-        if (internal::ArrayAwareFind(
-                lhs_stl_container.begin(), lhs_stl_container.end(), *it) ==
-            lhs_stl_container.end()) {
-          if (printed_header2) {
-            *os << ", ";
-          } else {
-            *os << (printed_header ? ",\nand" : "which")
-                << " doesn't have these expected elements: ";
-            printed_header2 = true;
-          }
-          UniversalPrint(*it, os);
-        }
-      }
-    }
-
-    return false;
-  }
-
- private:
-  const StlContainer expected_;
-};
-
-// A comparator functor that uses the < operator to compare two values.
-struct LessComparator {
-  template <typename T, typename U>
-  bool operator()(const T& lhs, const U& rhs) const { return lhs < rhs; }
-};
-
-// Implements WhenSortedBy(comparator, container_matcher).
-template <typename Comparator, typename ContainerMatcher>
-class WhenSortedByMatcher {
- public:
-  WhenSortedByMatcher(const Comparator& comparator,
-                      const ContainerMatcher& matcher)
-      : comparator_(comparator), matcher_(matcher) {}
-
-  template <typename LhsContainer>
-  operator Matcher<LhsContainer>() const {
-    return MakeMatcher(new Impl<LhsContainer>(comparator_, matcher_));
-  }
-
-  template <typename LhsContainer>
-  class Impl : public MatcherInterface<LhsContainer> {
-   public:
-    typedef internal::StlContainerView<
-         GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)> LhsView;
-    typedef typename LhsView::type LhsStlContainer;
-    typedef typename LhsView::const_reference LhsStlContainerReference;
-    // Transforms std::pair<const Key, Value> into std::pair<Key, Value>
-    // so that we can match associative containers.
-    typedef typename RemoveConstFromKey<
-        typename LhsStlContainer::value_type>::type LhsValue;
-
-    Impl(const Comparator& comparator, const ContainerMatcher& matcher)
-        : comparator_(comparator), matcher_(matcher) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "(when sorted) ";
-      matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "(when sorted) ";
-      matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(LhsContainer lhs,
-                         MatchResultListener* listener) const override {
-      LhsStlContainerReference lhs_stl_container = LhsView::ConstReference(lhs);
-      ::std::vector<LhsValue> sorted_container(lhs_stl_container.begin(),
-                                               lhs_stl_container.end());
-      ::std::sort(
-           sorted_container.begin(), sorted_container.end(), comparator_);
-
-      if (!listener->IsInterested()) {
-        // If the listener is not interested, we do not need to
-        // construct the inner explanation.
-        return matcher_.Matches(sorted_container);
-      }
-
-      *listener << "which is ";
-      UniversalPrint(sorted_container, listener->stream());
-      *listener << " when sorted";
-
-      StringMatchResultListener inner_listener;
-      const bool match = matcher_.MatchAndExplain(sorted_container,
-                                                  &inner_listener);
-      PrintIfNotEmpty(inner_listener.str(), listener->stream());
-      return match;
-    }
-
-   private:
-    const Comparator comparator_;
-    const Matcher<const ::std::vector<LhsValue>&> matcher_;
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(Impl);
-  };
-
- private:
-  const Comparator comparator_;
-  const ContainerMatcher matcher_;
-};
-
-// Implements Pointwise(tuple_matcher, rhs_container).  tuple_matcher
-// must be able to be safely cast to Matcher<std::tuple<const T1&, const
-// T2&> >, where T1 and T2 are the types of elements in the LHS
-// container and the RHS container respectively.
-template <typename TupleMatcher, typename RhsContainer>
-class PointwiseMatcher {
-  GTEST_COMPILE_ASSERT_(
-      !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(RhsContainer)>::value,
-      use_UnorderedPointwise_with_hash_tables);
-
- public:
-  typedef internal::StlContainerView<RhsContainer> RhsView;
-  typedef typename RhsView::type RhsStlContainer;
-  typedef typename RhsStlContainer::value_type RhsValue;
-
-  static_assert(!std::is_const<RhsContainer>::value,
-                "RhsContainer type must not be const");
-  static_assert(!std::is_reference<RhsContainer>::value,
-                "RhsContainer type must not be a reference");
-
-  // Like ContainerEq, we make a copy of rhs in case the elements in
-  // it are modified after this matcher is created.
-  PointwiseMatcher(const TupleMatcher& tuple_matcher, const RhsContainer& rhs)
-      : tuple_matcher_(tuple_matcher), rhs_(RhsView::Copy(rhs)) {}
-
-  template <typename LhsContainer>
-  operator Matcher<LhsContainer>() const {
-    GTEST_COMPILE_ASSERT_(
-        !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)>::value,
-        use_UnorderedPointwise_with_hash_tables);
-
-    return Matcher<LhsContainer>(
-        new Impl<const LhsContainer&>(tuple_matcher_, rhs_));
-  }
-
-  template <typename LhsContainer>
-  class Impl : public MatcherInterface<LhsContainer> {
-   public:
-    typedef internal::StlContainerView<
-         GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)> LhsView;
-    typedef typename LhsView::type LhsStlContainer;
-    typedef typename LhsView::const_reference LhsStlContainerReference;
-    typedef typename LhsStlContainer::value_type LhsValue;
-    // We pass the LHS value and the RHS value to the inner matcher by
-    // reference, as they may be expensive to copy.  We must use tuple
-    // instead of pair here, as a pair cannot hold references (C++ 98,
-    // 20.2.2 [lib.pairs]).
-    typedef ::std::tuple<const LhsValue&, const RhsValue&> InnerMatcherArg;
-
-    Impl(const TupleMatcher& tuple_matcher, const RhsStlContainer& rhs)
-        // mono_tuple_matcher_ holds a monomorphic version of the tuple matcher.
-        : mono_tuple_matcher_(SafeMatcherCast<InnerMatcherArg>(tuple_matcher)),
-          rhs_(rhs) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "contains " << rhs_.size()
-          << " values, where each value and its corresponding value in ";
-      UniversalPrinter<RhsStlContainer>::Print(rhs_, os);
-      *os << " ";
-      mono_tuple_matcher_.DescribeTo(os);
-    }
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "doesn't contain exactly " << rhs_.size()
-          << " values, or contains a value x at some index i"
-          << " where x and the i-th value of ";
-      UniversalPrint(rhs_, os);
-      *os << " ";
-      mono_tuple_matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(LhsContainer lhs,
-                         MatchResultListener* listener) const override {
-      LhsStlContainerReference lhs_stl_container = LhsView::ConstReference(lhs);
-      const size_t actual_size = lhs_stl_container.size();
-      if (actual_size != rhs_.size()) {
-        *listener << "which contains " << actual_size << " values";
-        return false;
-      }
-
-      typename LhsStlContainer::const_iterator left = lhs_stl_container.begin();
-      typename RhsStlContainer::const_iterator right = rhs_.begin();
-      for (size_t i = 0; i != actual_size; ++i, ++left, ++right) {
-        if (listener->IsInterested()) {
-          StringMatchResultListener inner_listener;
-          // Create InnerMatcherArg as a temporarily object to avoid it outlives
-          // *left and *right. Dereference or the conversion to `const T&` may
-          // return temp objects, e.g for vector<bool>.
-          if (!mono_tuple_matcher_.MatchAndExplain(
-                  InnerMatcherArg(ImplicitCast_<const LhsValue&>(*left),
-                                  ImplicitCast_<const RhsValue&>(*right)),
-                  &inner_listener)) {
-            *listener << "where the value pair (";
-            UniversalPrint(*left, listener->stream());
-            *listener << ", ";
-            UniversalPrint(*right, listener->stream());
-            *listener << ") at index #" << i << " don't match";
-            PrintIfNotEmpty(inner_listener.str(), listener->stream());
-            return false;
-          }
-        } else {
-          if (!mono_tuple_matcher_.Matches(
-                  InnerMatcherArg(ImplicitCast_<const LhsValue&>(*left),
-                                  ImplicitCast_<const RhsValue&>(*right))))
-            return false;
-        }
-      }
-
-      return true;
-    }
-
-   private:
-    const Matcher<InnerMatcherArg> mono_tuple_matcher_;
-    const RhsStlContainer rhs_;
-  };
-
- private:
-  const TupleMatcher tuple_matcher_;
-  const RhsStlContainer rhs_;
-};
-
-// Holds the logic common to ContainsMatcherImpl and EachMatcherImpl.
-template <typename Container>
-class QuantifierMatcherImpl : public MatcherInterface<Container> {
- public:
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
-  typedef StlContainerView<RawContainer> View;
-  typedef typename View::type StlContainer;
-  typedef typename View::const_reference StlContainerReference;
-  typedef typename StlContainer::value_type Element;
-
-  template <typename InnerMatcher>
-  explicit QuantifierMatcherImpl(InnerMatcher inner_matcher)
-      : inner_matcher_(
-           testing::SafeMatcherCast<const Element&>(inner_matcher)) {}
-
-  // Checks whether:
-  // * All elements in the container match, if all_elements_should_match.
-  // * Any element in the container matches, if !all_elements_should_match.
-  bool MatchAndExplainImpl(bool all_elements_should_match,
-                           Container container,
-                           MatchResultListener* listener) const {
-    StlContainerReference stl_container = View::ConstReference(container);
-    size_t i = 0;
-    for (typename StlContainer::const_iterator it = stl_container.begin();
-         it != stl_container.end(); ++it, ++i) {
-      StringMatchResultListener inner_listener;
-      const bool matches = inner_matcher_.MatchAndExplain(*it, &inner_listener);
-
-      if (matches != all_elements_should_match) {
-        *listener << "whose element #" << i
-                  << (matches ? " matches" : " doesn't match");
-        PrintIfNotEmpty(inner_listener.str(), listener->stream());
-        return !all_elements_should_match;
-      }
-    }
-    return all_elements_should_match;
-  }
-
- protected:
-  const Matcher<const Element&> inner_matcher_;
-};
-
-// Implements Contains(element_matcher) for the given argument type Container.
-// Symmetric to EachMatcherImpl.
-template <typename Container>
-class ContainsMatcherImpl : public QuantifierMatcherImpl<Container> {
- public:
-  template <typename InnerMatcher>
-  explicit ContainsMatcherImpl(InnerMatcher inner_matcher)
-      : QuantifierMatcherImpl<Container>(inner_matcher) {}
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "contains at least one element that ";
-    this->inner_matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "doesn't contain any element that ";
-    this->inner_matcher_.DescribeTo(os);
-  }
-
-  bool MatchAndExplain(Container container,
-                       MatchResultListener* listener) const override {
-    return this->MatchAndExplainImpl(false, container, listener);
-  }
-};
-
-// Implements Each(element_matcher) for the given argument type Container.
-// Symmetric to ContainsMatcherImpl.
-template <typename Container>
-class EachMatcherImpl : public QuantifierMatcherImpl<Container> {
- public:
-  template <typename InnerMatcher>
-  explicit EachMatcherImpl(InnerMatcher inner_matcher)
-      : QuantifierMatcherImpl<Container>(inner_matcher) {}
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "only contains elements that ";
-    this->inner_matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "contains some element that ";
-    this->inner_matcher_.DescribeNegationTo(os);
-  }
-
-  bool MatchAndExplain(Container container,
-                       MatchResultListener* listener) const override {
-    return this->MatchAndExplainImpl(true, container, listener);
-  }
-};
-
-// Implements polymorphic Contains(element_matcher).
-template <typename M>
-class ContainsMatcher {
- public:
-  explicit ContainsMatcher(M m) : inner_matcher_(m) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    return Matcher<Container>(
-        new ContainsMatcherImpl<const Container&>(inner_matcher_));
-  }
-
- private:
-  const M inner_matcher_;
-};
-
-// Implements polymorphic Each(element_matcher).
-template <typename M>
-class EachMatcher {
- public:
-  explicit EachMatcher(M m) : inner_matcher_(m) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    return Matcher<Container>(
-        new EachMatcherImpl<const Container&>(inner_matcher_));
-  }
-
- private:
-  const M inner_matcher_;
-};
-
-struct Rank1 {};
-struct Rank0 : Rank1 {};
-
-namespace pair_getters {
-using std::get;
-template <typename T>
-auto First(T& x, Rank1) -> decltype(get<0>(x)) {  // NOLINT
-  return get<0>(x);
-}
-template <typename T>
-auto First(T& x, Rank0) -> decltype((x.first)) {  // NOLINT
-  return x.first;
-}
-
-template <typename T>
-auto Second(T& x, Rank1) -> decltype(get<1>(x)) {  // NOLINT
-  return get<1>(x);
-}
-template <typename T>
-auto Second(T& x, Rank0) -> decltype((x.second)) {  // NOLINT
-  return x.second;
-}
-}  // namespace pair_getters
-
-// Implements Key(inner_matcher) for the given argument pair type.
-// Key(inner_matcher) matches an std::pair whose 'first' field matches
-// inner_matcher.  For example, Contains(Key(Ge(5))) can be used to match an
-// std::map that contains at least one element whose key is >= 5.
-template <typename PairType>
-class KeyMatcherImpl : public MatcherInterface<PairType> {
- public:
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType;
-  typedef typename RawPairType::first_type KeyType;
-
-  template <typename InnerMatcher>
-  explicit KeyMatcherImpl(InnerMatcher inner_matcher)
-      : inner_matcher_(
-          testing::SafeMatcherCast<const KeyType&>(inner_matcher)) {
-  }
-
-  // Returns true if and only if 'key_value.first' (the key) matches the inner
-  // matcher.
-  bool MatchAndExplain(PairType key_value,
-                       MatchResultListener* listener) const override {
-    StringMatchResultListener inner_listener;
-    const bool match = inner_matcher_.MatchAndExplain(
-        pair_getters::First(key_value, Rank0()), &inner_listener);
-    const std::string explanation = inner_listener.str();
-    if (explanation != "") {
-      *listener << "whose first field is a value " << explanation;
-    }
-    return match;
-  }
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "has a key that ";
-    inner_matcher_.DescribeTo(os);
-  }
-
-  // Describes what the negation of this matcher does.
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "doesn't have a key that ";
-    inner_matcher_.DescribeTo(os);
-  }
-
- private:
-  const Matcher<const KeyType&> inner_matcher_;
-};
-
-// Implements polymorphic Key(matcher_for_key).
-template <typename M>
-class KeyMatcher {
- public:
-  explicit KeyMatcher(M m) : matcher_for_key_(m) {}
-
-  template <typename PairType>
-  operator Matcher<PairType>() const {
-    return Matcher<PairType>(
-        new KeyMatcherImpl<const PairType&>(matcher_for_key_));
-  }
-
- private:
-  const M matcher_for_key_;
-};
-
-// Implements polymorphic Address(matcher_for_address).
-template <typename InnerMatcher>
-class AddressMatcher {
- public:
-  explicit AddressMatcher(InnerMatcher m) : matcher_(m) {}
-
-  template <typename Type>
-  operator Matcher<Type>() const {  // NOLINT
-    return Matcher<Type>(new Impl<const Type&>(matcher_));
-  }
-
- private:
-  // The monomorphic implementation that works for a particular object type.
-  template <typename Type>
-  class Impl : public MatcherInterface<Type> {
-   public:
-    using Address = const GTEST_REMOVE_REFERENCE_AND_CONST_(Type) *;
-    explicit Impl(const InnerMatcher& matcher)
-        : matcher_(MatcherCast<Address>(matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "has address that ";
-      matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "does not have address that ";
-      matcher_.DescribeTo(os);
-    }
-
-    bool MatchAndExplain(Type object,
-                         MatchResultListener* listener) const override {
-      *listener << "which has address ";
-      Address address = std::addressof(object);
-      return MatchPrintAndExplain(address, matcher_, listener);
-    }
-
-   private:
-    const Matcher<Address> matcher_;
-  };
-  const InnerMatcher matcher_;
-};
-
-// Implements Pair(first_matcher, second_matcher) for the given argument pair
-// type with its two matchers. See Pair() function below.
-template <typename PairType>
-class PairMatcherImpl : public MatcherInterface<PairType> {
- public:
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType;
-  typedef typename RawPairType::first_type FirstType;
-  typedef typename RawPairType::second_type SecondType;
-
-  template <typename FirstMatcher, typename SecondMatcher>
-  PairMatcherImpl(FirstMatcher first_matcher, SecondMatcher second_matcher)
-      : first_matcher_(
-            testing::SafeMatcherCast<const FirstType&>(first_matcher)),
-        second_matcher_(
-            testing::SafeMatcherCast<const SecondType&>(second_matcher)) {
-  }
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "has a first field that ";
-    first_matcher_.DescribeTo(os);
-    *os << ", and has a second field that ";
-    second_matcher_.DescribeTo(os);
-  }
-
-  // Describes what the negation of this matcher does.
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "has a first field that ";
-    first_matcher_.DescribeNegationTo(os);
-    *os << ", or has a second field that ";
-    second_matcher_.DescribeNegationTo(os);
-  }
-
-  // Returns true if and only if 'a_pair.first' matches first_matcher and
-  // 'a_pair.second' matches second_matcher.
-  bool MatchAndExplain(PairType a_pair,
-                       MatchResultListener* listener) const override {
-    if (!listener->IsInterested()) {
-      // If the listener is not interested, we don't need to construct the
-      // explanation.
-      return first_matcher_.Matches(pair_getters::First(a_pair, Rank0())) &&
-             second_matcher_.Matches(pair_getters::Second(a_pair, Rank0()));
-    }
-    StringMatchResultListener first_inner_listener;
-    if (!first_matcher_.MatchAndExplain(pair_getters::First(a_pair, Rank0()),
-                                        &first_inner_listener)) {
-      *listener << "whose first field does not match";
-      PrintIfNotEmpty(first_inner_listener.str(), listener->stream());
-      return false;
-    }
-    StringMatchResultListener second_inner_listener;
-    if (!second_matcher_.MatchAndExplain(pair_getters::Second(a_pair, Rank0()),
-                                         &second_inner_listener)) {
-      *listener << "whose second field does not match";
-      PrintIfNotEmpty(second_inner_listener.str(), listener->stream());
-      return false;
-    }
-    ExplainSuccess(first_inner_listener.str(), second_inner_listener.str(),
-                   listener);
-    return true;
-  }
-
- private:
-  void ExplainSuccess(const std::string& first_explanation,
-                      const std::string& second_explanation,
-                      MatchResultListener* listener) const {
-    *listener << "whose both fields match";
-    if (first_explanation != "") {
-      *listener << ", where the first field is a value " << first_explanation;
-    }
-    if (second_explanation != "") {
-      *listener << ", ";
-      if (first_explanation != "") {
-        *listener << "and ";
-      } else {
-        *listener << "where ";
-      }
-      *listener << "the second field is a value " << second_explanation;
-    }
-  }
-
-  const Matcher<const FirstType&> first_matcher_;
-  const Matcher<const SecondType&> second_matcher_;
-};
-
-// Implements polymorphic Pair(first_matcher, second_matcher).
-template <typename FirstMatcher, typename SecondMatcher>
-class PairMatcher {
- public:
-  PairMatcher(FirstMatcher first_matcher, SecondMatcher second_matcher)
-      : first_matcher_(first_matcher), second_matcher_(second_matcher) {}
-
-  template <typename PairType>
-  operator Matcher<PairType> () const {
-    return Matcher<PairType>(
-        new PairMatcherImpl<const PairType&>(first_matcher_, second_matcher_));
-  }
-
- private:
-  const FirstMatcher first_matcher_;
-  const SecondMatcher second_matcher_;
-};
-
-template <typename T, size_t... I>
-auto UnpackStructImpl(const T& t, IndexSequence<I...>, int)
-    -> decltype(std::tie(get<I>(t)...)) {
-  static_assert(std::tuple_size<T>::value == sizeof...(I),
-                "Number of arguments doesn't match the number of fields.");
-  return std::tie(get<I>(t)...);
-}
-
-#if defined(__cpp_structured_bindings) && __cpp_structured_bindings >= 201606
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<1>, char) {
-  const auto& [a] = t;
-  return std::tie(a);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<2>, char) {
-  const auto& [a, b] = t;
-  return std::tie(a, b);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<3>, char) {
-  const auto& [a, b, c] = t;
-  return std::tie(a, b, c);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<4>, char) {
-  const auto& [a, b, c, d] = t;
-  return std::tie(a, b, c, d);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<5>, char) {
-  const auto& [a, b, c, d, e] = t;
-  return std::tie(a, b, c, d, e);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<6>, char) {
-  const auto& [a, b, c, d, e, f] = t;
-  return std::tie(a, b, c, d, e, f);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<7>, char) {
-  const auto& [a, b, c, d, e, f, g] = t;
-  return std::tie(a, b, c, d, e, f, g);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<8>, char) {
-  const auto& [a, b, c, d, e, f, g, h] = t;
-  return std::tie(a, b, c, d, e, f, g, h);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<9>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<10>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<11>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<12>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k, l] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<13>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<14>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m, n] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m, n);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<15>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o);
-}
-template <typename T>
-auto UnpackStructImpl(const T& t, MakeIndexSequence<16>, char) {
-  const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p] = t;
-  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p);
-}
-#endif  // defined(__cpp_structured_bindings)
-
-template <size_t I, typename T>
-auto UnpackStruct(const T& t)
-    -> decltype((UnpackStructImpl)(t, MakeIndexSequence<I>{}, 0)) {
-  return (UnpackStructImpl)(t, MakeIndexSequence<I>{}, 0);
-}
-
-// Helper function to do comma folding in C++11.
-// The array ensures left-to-right order of evaluation.
-// Usage: VariadicExpand({expr...});
-template <typename T, size_t N>
-void VariadicExpand(const T (&)[N]) {}
-
-template <typename Struct, typename StructSize>
-class FieldsAreMatcherImpl;
-
-template <typename Struct, size_t... I>
-class FieldsAreMatcherImpl<Struct, IndexSequence<I...>>
-    : public MatcherInterface<Struct> {
-  using UnpackedType =
-      decltype(UnpackStruct<sizeof...(I)>(std::declval<const Struct&>()));
-  using MatchersType = std::tuple<
-      Matcher<const typename std::tuple_element<I, UnpackedType>::type&>...>;
-
- public:
-  template <typename Inner>
-  explicit FieldsAreMatcherImpl(const Inner& matchers)
-      : matchers_(testing::SafeMatcherCast<
-                  const typename std::tuple_element<I, UnpackedType>::type&>(
-            std::get<I>(matchers))...) {}
-
-  void DescribeTo(::std::ostream* os) const override {
-    const char* separator = "";
-    VariadicExpand(
-        {(*os << separator << "has field #" << I << " that ",
-          std::get<I>(matchers_).DescribeTo(os), separator = ", and ")...});
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    const char* separator = "";
-    VariadicExpand({(*os << separator << "has field #" << I << " that ",
-                     std::get<I>(matchers_).DescribeNegationTo(os),
-                     separator = ", or ")...});
-  }
-
-  bool MatchAndExplain(Struct t, MatchResultListener* listener) const override {
-    return MatchInternal((UnpackStruct<sizeof...(I)>)(t), listener);
-  }
-
- private:
-  bool MatchInternal(UnpackedType tuple, MatchResultListener* listener) const {
-    if (!listener->IsInterested()) {
-      // If the listener is not interested, we don't need to construct the
-      // explanation.
-      bool good = true;
-      VariadicExpand({good = good && std::get<I>(matchers_).Matches(
-                                         std::get<I>(tuple))...});
-      return good;
-    }
-
-    size_t failed_pos = ~size_t{};
-
-    std::vector<StringMatchResultListener> inner_listener(sizeof...(I));
-
-    VariadicExpand(
-        {failed_pos == ~size_t{} && !std::get<I>(matchers_).MatchAndExplain(
-                                        std::get<I>(tuple), &inner_listener[I])
-             ? failed_pos = I
-             : 0 ...});
-    if (failed_pos != ~size_t{}) {
-      *listener << "whose field #" << failed_pos << " does not match";
-      PrintIfNotEmpty(inner_listener[failed_pos].str(), listener->stream());
-      return false;
-    }
-
-    *listener << "whose all elements match";
-    const char* separator = ", where";
-    for (size_t index = 0; index < sizeof...(I); ++index) {
-      const std::string str = inner_listener[index].str();
-      if (!str.empty()) {
-        *listener << separator << " field #" << index << " is a value " << str;
-        separator = ", and";
-      }
-    }
-
-    return true;
-  }
-
-  MatchersType matchers_;
-};
-
-template <typename... Inner>
-class FieldsAreMatcher {
- public:
-  explicit FieldsAreMatcher(Inner... inner) : matchers_(std::move(inner)...) {}
-
-  template <typename Struct>
-  operator Matcher<Struct>() const {  // NOLINT
-    return Matcher<Struct>(
-        new FieldsAreMatcherImpl<const Struct&, IndexSequenceFor<Inner...>>(
-            matchers_));
-  }
-
- private:
-  std::tuple<Inner...> matchers_;
-};
-
-// Implements ElementsAre() and ElementsAreArray().
-template <typename Container>
-class ElementsAreMatcherImpl : public MatcherInterface<Container> {
- public:
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
-  typedef internal::StlContainerView<RawContainer> View;
-  typedef typename View::type StlContainer;
-  typedef typename View::const_reference StlContainerReference;
-  typedef typename StlContainer::value_type Element;
-
-  // Constructs the matcher from a sequence of element values or
-  // element matchers.
-  template <typename InputIter>
-  ElementsAreMatcherImpl(InputIter first, InputIter last) {
-    while (first != last) {
-      matchers_.push_back(MatcherCast<const Element&>(*first++));
-    }
-  }
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    if (count() == 0) {
-      *os << "is empty";
-    } else if (count() == 1) {
-      *os << "has 1 element that ";
-      matchers_[0].DescribeTo(os);
-    } else {
-      *os << "has " << Elements(count()) << " where\n";
-      for (size_t i = 0; i != count(); ++i) {
-        *os << "element #" << i << " ";
-        matchers_[i].DescribeTo(os);
-        if (i + 1 < count()) {
-          *os << ",\n";
-        }
-      }
-    }
-  }
-
-  // Describes what the negation of this matcher does.
-  void DescribeNegationTo(::std::ostream* os) const override {
-    if (count() == 0) {
-      *os << "isn't empty";
-      return;
-    }
-
-    *os << "doesn't have " << Elements(count()) << ", or\n";
-    for (size_t i = 0; i != count(); ++i) {
-      *os << "element #" << i << " ";
-      matchers_[i].DescribeNegationTo(os);
-      if (i + 1 < count()) {
-        *os << ", or\n";
-      }
-    }
-  }
-
-  bool MatchAndExplain(Container container,
-                       MatchResultListener* listener) const override {
-    // To work with stream-like "containers", we must only walk
-    // through the elements in one pass.
-
-    const bool listener_interested = listener->IsInterested();
-
-    // explanations[i] is the explanation of the element at index i.
-    ::std::vector<std::string> explanations(count());
-    StlContainerReference stl_container = View::ConstReference(container);
-    typename StlContainer::const_iterator it = stl_container.begin();
-    size_t exam_pos = 0;
-    bool mismatch_found = false;  // Have we found a mismatched element yet?
-
-    // Go through the elements and matchers in pairs, until we reach
-    // the end of either the elements or the matchers, or until we find a
-    // mismatch.
-    for (; it != stl_container.end() && exam_pos != count(); ++it, ++exam_pos) {
-      bool match;  // Does the current element match the current matcher?
-      if (listener_interested) {
-        StringMatchResultListener s;
-        match = matchers_[exam_pos].MatchAndExplain(*it, &s);
-        explanations[exam_pos] = s.str();
-      } else {
-        match = matchers_[exam_pos].Matches(*it);
-      }
-
-      if (!match) {
-        mismatch_found = true;
-        break;
-      }
-    }
-    // If mismatch_found is true, 'exam_pos' is the index of the mismatch.
-
-    // Find how many elements the actual container has.  We avoid
-    // calling size() s.t. this code works for stream-like "containers"
-    // that don't define size().
-    size_t actual_count = exam_pos;
-    for (; it != stl_container.end(); ++it) {
-      ++actual_count;
-    }
-
-    if (actual_count != count()) {
-      // The element count doesn't match.  If the container is empty,
-      // there's no need to explain anything as Google Mock already
-      // prints the empty container.  Otherwise we just need to show
-      // how many elements there actually are.
-      if (listener_interested && (actual_count != 0)) {
-        *listener << "which has " << Elements(actual_count);
-      }
-      return false;
-    }
-
-    if (mismatch_found) {
-      // The element count matches, but the exam_pos-th element doesn't match.
-      if (listener_interested) {
-        *listener << "whose element #" << exam_pos << " doesn't match";
-        PrintIfNotEmpty(explanations[exam_pos], listener->stream());
-      }
-      return false;
-    }
-
-    // Every element matches its expectation.  We need to explain why
-    // (the obvious ones can be skipped).
-    if (listener_interested) {
-      bool reason_printed = false;
-      for (size_t i = 0; i != count(); ++i) {
-        const std::string& s = explanations[i];
-        if (!s.empty()) {
-          if (reason_printed) {
-            *listener << ",\nand ";
-          }
-          *listener << "whose element #" << i << " matches, " << s;
-          reason_printed = true;
-        }
-      }
-    }
-    return true;
-  }
-
- private:
-  static Message Elements(size_t count) {
-    return Message() << count << (count == 1 ? " element" : " elements");
-  }
-
-  size_t count() const { return matchers_.size(); }
-
-  ::std::vector<Matcher<const Element&> > matchers_;
-};
-
-// Connectivity matrix of (elements X matchers), in element-major order.
-// Initially, there are no edges.
-// Use NextGraph() to iterate over all possible edge configurations.
-// Use Randomize() to generate a random edge configuration.
-class GTEST_API_ MatchMatrix {
- public:
-  MatchMatrix(size_t num_elements, size_t num_matchers)
-      : num_elements_(num_elements),
-        num_matchers_(num_matchers),
-        matched_(num_elements_* num_matchers_, 0) {
-  }
-
-  size_t LhsSize() const { return num_elements_; }
-  size_t RhsSize() const { return num_matchers_; }
-  bool HasEdge(size_t ilhs, size_t irhs) const {
-    return matched_[SpaceIndex(ilhs, irhs)] == 1;
-  }
-  void SetEdge(size_t ilhs, size_t irhs, bool b) {
-    matched_[SpaceIndex(ilhs, irhs)] = b ? 1 : 0;
-  }
-
-  // Treating the connectivity matrix as a (LhsSize()*RhsSize())-bit number,
-  // adds 1 to that number; returns false if incrementing the graph left it
-  // empty.
-  bool NextGraph();
-
-  void Randomize();
-
-  std::string DebugString() const;
-
- private:
-  size_t SpaceIndex(size_t ilhs, size_t irhs) const {
-    return ilhs * num_matchers_ + irhs;
-  }
-
-  size_t num_elements_;
-  size_t num_matchers_;
-
-  // Each element is a char interpreted as bool. They are stored as a
-  // flattened array in lhs-major order, use 'SpaceIndex()' to translate
-  // a (ilhs, irhs) matrix coordinate into an offset.
-  ::std::vector<char> matched_;
-};
-
-typedef ::std::pair<size_t, size_t> ElementMatcherPair;
-typedef ::std::vector<ElementMatcherPair> ElementMatcherPairs;
-
-// Returns a maximum bipartite matching for the specified graph 'g'.
-// The matching is represented as a vector of {element, matcher} pairs.
-GTEST_API_ ElementMatcherPairs
-FindMaxBipartiteMatching(const MatchMatrix& g);
-
-struct UnorderedMatcherRequire {
-  enum Flags {
-    Superset = 1 << 0,
-    Subset = 1 << 1,
-    ExactMatch = Superset | Subset,
-  };
-};
-
-// Untyped base class for implementing UnorderedElementsAre.  By
-// putting logic that's not specific to the element type here, we
-// reduce binary bloat and increase compilation speed.
-class GTEST_API_ UnorderedElementsAreMatcherImplBase {
- protected:
-  explicit UnorderedElementsAreMatcherImplBase(
-      UnorderedMatcherRequire::Flags matcher_flags)
-      : match_flags_(matcher_flags) {}
-
-  // A vector of matcher describers, one for each element matcher.
-  // Does not own the describers (and thus can be used only when the
-  // element matchers are alive).
-  typedef ::std::vector<const MatcherDescriberInterface*> MatcherDescriberVec;
-
-  // Describes this UnorderedElementsAre matcher.
-  void DescribeToImpl(::std::ostream* os) const;
-
-  // Describes the negation of this UnorderedElementsAre matcher.
-  void DescribeNegationToImpl(::std::ostream* os) const;
-
-  bool VerifyMatchMatrix(const ::std::vector<std::string>& element_printouts,
-                         const MatchMatrix& matrix,
-                         MatchResultListener* listener) const;
-
-  bool FindPairing(const MatchMatrix& matrix,
-                   MatchResultListener* listener) const;
-
-  MatcherDescriberVec& matcher_describers() {
-    return matcher_describers_;
-  }
-
-  static Message Elements(size_t n) {
-    return Message() << n << " element" << (n == 1 ? "" : "s");
-  }
-
-  UnorderedMatcherRequire::Flags match_flags() const { return match_flags_; }
-
- private:
-  UnorderedMatcherRequire::Flags match_flags_;
-  MatcherDescriberVec matcher_describers_;
-};
-
-// Implements UnorderedElementsAre, UnorderedElementsAreArray, IsSubsetOf, and
-// IsSupersetOf.
-template <typename Container>
-class UnorderedElementsAreMatcherImpl
-    : public MatcherInterface<Container>,
-      public UnorderedElementsAreMatcherImplBase {
- public:
-  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
-  typedef internal::StlContainerView<RawContainer> View;
-  typedef typename View::type StlContainer;
-  typedef typename View::const_reference StlContainerReference;
-  typedef typename StlContainer::const_iterator StlContainerConstIterator;
-  typedef typename StlContainer::value_type Element;
-
-  template <typename InputIter>
-  UnorderedElementsAreMatcherImpl(UnorderedMatcherRequire::Flags matcher_flags,
-                                  InputIter first, InputIter last)
-      : UnorderedElementsAreMatcherImplBase(matcher_flags) {
-    for (; first != last; ++first) {
-      matchers_.push_back(MatcherCast<const Element&>(*first));
-    }
-    for (const auto& m : matchers_) {
-      matcher_describers().push_back(m.GetDescriber());
-    }
-  }
-
-  // Describes what this matcher does.
-  void DescribeTo(::std::ostream* os) const override {
-    return UnorderedElementsAreMatcherImplBase::DescribeToImpl(os);
-  }
-
-  // Describes what the negation of this matcher does.
-  void DescribeNegationTo(::std::ostream* os) const override {
-    return UnorderedElementsAreMatcherImplBase::DescribeNegationToImpl(os);
-  }
-
-  bool MatchAndExplain(Container container,
-                       MatchResultListener* listener) const override {
-    StlContainerReference stl_container = View::ConstReference(container);
-    ::std::vector<std::string> element_printouts;
-    MatchMatrix matrix =
-        AnalyzeElements(stl_container.begin(), stl_container.end(),
-                        &element_printouts, listener);
-
-    if (matrix.LhsSize() == 0 && matrix.RhsSize() == 0) {
-      return true;
-    }
-
-    if (match_flags() == UnorderedMatcherRequire::ExactMatch) {
-      if (matrix.LhsSize() != matrix.RhsSize()) {
-        // The element count doesn't match.  If the container is empty,
-        // there's no need to explain anything as Google Mock already
-        // prints the empty container. Otherwise we just need to show
-        // how many elements there actually are.
-        if (matrix.LhsSize() != 0 && listener->IsInterested()) {
-          *listener << "which has " << Elements(matrix.LhsSize());
-        }
-        return false;
-      }
-    }
-
-    return VerifyMatchMatrix(element_printouts, matrix, listener) &&
-           FindPairing(matrix, listener);
-  }
-
- private:
-  template <typename ElementIter>
-  MatchMatrix AnalyzeElements(ElementIter elem_first, ElementIter elem_last,
-                              ::std::vector<std::string>* element_printouts,
-                              MatchResultListener* listener) const {
-    element_printouts->clear();
-    ::std::vector<char> did_match;
-    size_t num_elements = 0;
-    DummyMatchResultListener dummy;
-    for (; elem_first != elem_last; ++num_elements, ++elem_first) {
-      if (listener->IsInterested()) {
-        element_printouts->push_back(PrintToString(*elem_first));
-      }
-      for (size_t irhs = 0; irhs != matchers_.size(); ++irhs) {
-        did_match.push_back(
-            matchers_[irhs].MatchAndExplain(*elem_first, &dummy));
-      }
-    }
-
-    MatchMatrix matrix(num_elements, matchers_.size());
-    ::std::vector<char>::const_iterator did_match_iter = did_match.begin();
-    for (size_t ilhs = 0; ilhs != num_elements; ++ilhs) {
-      for (size_t irhs = 0; irhs != matchers_.size(); ++irhs) {
-        matrix.SetEdge(ilhs, irhs, *did_match_iter++ != 0);
-      }
-    }
-    return matrix;
-  }
-
-  ::std::vector<Matcher<const Element&> > matchers_;
-};
-
-// Functor for use in TransformTuple.
-// Performs MatcherCast<Target> on an input argument of any type.
-template <typename Target>
-struct CastAndAppendTransform {
-  template <typename Arg>
-  Matcher<Target> operator()(const Arg& a) const {
-    return MatcherCast<Target>(a);
-  }
-};
-
-// Implements UnorderedElementsAre.
-template <typename MatcherTuple>
-class UnorderedElementsAreMatcher {
- public:
-  explicit UnorderedElementsAreMatcher(const MatcherTuple& args)
-      : matchers_(args) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
-    typedef typename internal::StlContainerView<RawContainer>::type View;
-    typedef typename View::value_type Element;
-    typedef ::std::vector<Matcher<const Element&> > MatcherVec;
-    MatcherVec matchers;
-    matchers.reserve(::std::tuple_size<MatcherTuple>::value);
-    TransformTupleValues(CastAndAppendTransform<const Element&>(), matchers_,
-                         ::std::back_inserter(matchers));
-    return Matcher<Container>(
-        new UnorderedElementsAreMatcherImpl<const Container&>(
-            UnorderedMatcherRequire::ExactMatch, matchers.begin(),
-            matchers.end()));
-  }
-
- private:
-  const MatcherTuple matchers_;
-};
-
-// Implements ElementsAre.
-template <typename MatcherTuple>
-class ElementsAreMatcher {
- public:
-  explicit ElementsAreMatcher(const MatcherTuple& args) : matchers_(args) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    GTEST_COMPILE_ASSERT_(
-        !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>::value ||
-            ::std::tuple_size<MatcherTuple>::value < 2,
-        use_UnorderedElementsAre_with_hash_tables);
-
-    typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
-    typedef typename internal::StlContainerView<RawContainer>::type View;
-    typedef typename View::value_type Element;
-    typedef ::std::vector<Matcher<const Element&> > MatcherVec;
-    MatcherVec matchers;
-    matchers.reserve(::std::tuple_size<MatcherTuple>::value);
-    TransformTupleValues(CastAndAppendTransform<const Element&>(), matchers_,
-                         ::std::back_inserter(matchers));
-    return Matcher<Container>(new ElementsAreMatcherImpl<const Container&>(
-        matchers.begin(), matchers.end()));
-  }
-
- private:
-  const MatcherTuple matchers_;
-};
-
-// Implements UnorderedElementsAreArray(), IsSubsetOf(), and IsSupersetOf().
-template <typename T>
-class UnorderedElementsAreArrayMatcher {
- public:
-  template <typename Iter>
-  UnorderedElementsAreArrayMatcher(UnorderedMatcherRequire::Flags match_flags,
-                                   Iter first, Iter last)
-      : match_flags_(match_flags), matchers_(first, last) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    return Matcher<Container>(
-        new UnorderedElementsAreMatcherImpl<const Container&>(
-            match_flags_, matchers_.begin(), matchers_.end()));
-  }
-
- private:
-  UnorderedMatcherRequire::Flags match_flags_;
-  ::std::vector<T> matchers_;
-};
-
-// Implements ElementsAreArray().
-template <typename T>
-class ElementsAreArrayMatcher {
- public:
-  template <typename Iter>
-  ElementsAreArrayMatcher(Iter first, Iter last) : matchers_(first, last) {}
-
-  template <typename Container>
-  operator Matcher<Container>() const {
-    GTEST_COMPILE_ASSERT_(
-        !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>::value,
-        use_UnorderedElementsAreArray_with_hash_tables);
-
-    return Matcher<Container>(new ElementsAreMatcherImpl<const Container&>(
-        matchers_.begin(), matchers_.end()));
-  }
-
- private:
-  const ::std::vector<T> matchers_;
-};
-
-// Given a 2-tuple matcher tm of type Tuple2Matcher and a value second
-// of type Second, BoundSecondMatcher<Tuple2Matcher, Second>(tm,
-// second) is a polymorphic matcher that matches a value x if and only if
-// tm matches tuple (x, second).  Useful for implementing
-// UnorderedPointwise() in terms of UnorderedElementsAreArray().
-//
-// BoundSecondMatcher is copyable and assignable, as we need to put
-// instances of this class in a vector when implementing
-// UnorderedPointwise().
-template <typename Tuple2Matcher, typename Second>
-class BoundSecondMatcher {
- public:
-  BoundSecondMatcher(const Tuple2Matcher& tm, const Second& second)
-      : tuple2_matcher_(tm), second_value_(second) {}
-
-  BoundSecondMatcher(const BoundSecondMatcher& other) = default;
-
-  template <typename T>
-  operator Matcher<T>() const {
-    return MakeMatcher(new Impl<T>(tuple2_matcher_, second_value_));
-  }
-
-  // We have to define this for UnorderedPointwise() to compile in
-  // C++98 mode, as it puts BoundSecondMatcher instances in a vector,
-  // which requires the elements to be assignable in C++98.  The
-  // compiler cannot generate the operator= for us, as Tuple2Matcher
-  // and Second may not be assignable.
-  //
-  // However, this should never be called, so the implementation just
-  // need to assert.
-  void operator=(const BoundSecondMatcher& /*rhs*/) {
-    GTEST_LOG_(FATAL) << "BoundSecondMatcher should never be assigned.";
-  }
-
- private:
-  template <typename T>
-  class Impl : public MatcherInterface<T> {
-   public:
-    typedef ::std::tuple<T, Second> ArgTuple;
-
-    Impl(const Tuple2Matcher& tm, const Second& second)
-        : mono_tuple2_matcher_(SafeMatcherCast<const ArgTuple&>(tm)),
-          second_value_(second) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "and ";
-      UniversalPrint(second_value_, os);
-      *os << " ";
-      mono_tuple2_matcher_.DescribeTo(os);
-    }
-
-    bool MatchAndExplain(T x, MatchResultListener* listener) const override {
-      return mono_tuple2_matcher_.MatchAndExplain(ArgTuple(x, second_value_),
-                                                  listener);
-    }
-
-   private:
-    const Matcher<const ArgTuple&> mono_tuple2_matcher_;
-    const Second second_value_;
-  };
-
-  const Tuple2Matcher tuple2_matcher_;
-  const Second second_value_;
-};
-
-// Given a 2-tuple matcher tm and a value second,
-// MatcherBindSecond(tm, second) returns a matcher that matches a
-// value x if and only if tm matches tuple (x, second).  Useful for
-// implementing UnorderedPointwise() in terms of UnorderedElementsAreArray().
-template <typename Tuple2Matcher, typename Second>
-BoundSecondMatcher<Tuple2Matcher, Second> MatcherBindSecond(
-    const Tuple2Matcher& tm, const Second& second) {
-  return BoundSecondMatcher<Tuple2Matcher, Second>(tm, second);
-}
-
-// Returns the description for a matcher defined using the MATCHER*()
-// macro where the user-supplied description string is "", if
-// 'negation' is false; otherwise returns the description of the
-// negation of the matcher.  'param_values' contains a list of strings
-// that are the print-out of the matcher's parameters.
-GTEST_API_ std::string FormatMatcherDescription(bool negation,
-                                                const char* matcher_name,
-                                                const Strings& param_values);
-
-// Implements a matcher that checks the value of a optional<> type variable.
-template <typename ValueMatcher>
-class OptionalMatcher {
- public:
-  explicit OptionalMatcher(const ValueMatcher& value_matcher)
-      : value_matcher_(value_matcher) {}
-
-  template <typename Optional>
-  operator Matcher<Optional>() const {
-    return Matcher<Optional>(new Impl<const Optional&>(value_matcher_));
-  }
-
-  template <typename Optional>
-  class Impl : public MatcherInterface<Optional> {
-   public:
-    typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Optional) OptionalView;
-    typedef typename OptionalView::value_type ValueType;
-    explicit Impl(const ValueMatcher& value_matcher)
-        : value_matcher_(MatcherCast<ValueType>(value_matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "value ";
-      value_matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "value ";
-      value_matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(Optional optional,
-                         MatchResultListener* listener) const override {
-      if (!optional) {
-        *listener << "which is not engaged";
-        return false;
-      }
-      const ValueType& value = *optional;
-      StringMatchResultListener value_listener;
-      const bool match = value_matcher_.MatchAndExplain(value, &value_listener);
-      *listener << "whose value " << PrintToString(value)
-                << (match ? " matches" : " doesn't match");
-      PrintIfNotEmpty(value_listener.str(), listener->stream());
-      return match;
-    }
-
-   private:
-    const Matcher<ValueType> value_matcher_;
-  };
-
- private:
-  const ValueMatcher value_matcher_;
-};
-
-namespace variant_matcher {
-// Overloads to allow VariantMatcher to do proper ADL lookup.
-template <typename T>
-void holds_alternative() {}
-template <typename T>
-void get() {}
-
-// Implements a matcher that checks the value of a variant<> type variable.
-template <typename T>
-class VariantMatcher {
- public:
-  explicit VariantMatcher(::testing::Matcher<const T&> matcher)
-      : matcher_(std::move(matcher)) {}
-
-  template <typename Variant>
-  bool MatchAndExplain(const Variant& value,
-                       ::testing::MatchResultListener* listener) const {
-    using std::get;
-    if (!listener->IsInterested()) {
-      return holds_alternative<T>(value) && matcher_.Matches(get<T>(value));
-    }
-
-    if (!holds_alternative<T>(value)) {
-      *listener << "whose value is not of type '" << GetTypeName() << "'";
-      return false;
-    }
-
-    const T& elem = get<T>(value);
-    StringMatchResultListener elem_listener;
-    const bool match = matcher_.MatchAndExplain(elem, &elem_listener);
-    *listener << "whose value " << PrintToString(elem)
-              << (match ? " matches" : " doesn't match");
-    PrintIfNotEmpty(elem_listener.str(), listener->stream());
-    return match;
-  }
-
-  void DescribeTo(std::ostream* os) const {
-    *os << "is a variant<> with value of type '" << GetTypeName()
-        << "' and the value ";
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(std::ostream* os) const {
-    *os << "is a variant<> with value of type other than '" << GetTypeName()
-        << "' or the value ";
-    matcher_.DescribeNegationTo(os);
-  }
-
- private:
-  static std::string GetTypeName() {
-#if GTEST_HAS_RTTI
-    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(
-        return internal::GetTypeName<T>());
-#endif
-    return "the element type";
-  }
-
-  const ::testing::Matcher<const T&> matcher_;
-};
-
-}  // namespace variant_matcher
-
-namespace any_cast_matcher {
-
-// Overloads to allow AnyCastMatcher to do proper ADL lookup.
-template <typename T>
-void any_cast() {}
-
-// Implements a matcher that any_casts the value.
-template <typename T>
-class AnyCastMatcher {
- public:
-  explicit AnyCastMatcher(const ::testing::Matcher<const T&>& matcher)
-      : matcher_(matcher) {}
-
-  template <typename AnyType>
-  bool MatchAndExplain(const AnyType& value,
-                       ::testing::MatchResultListener* listener) const {
-    if (!listener->IsInterested()) {
-      const T* ptr = any_cast<T>(&value);
-      return ptr != nullptr && matcher_.Matches(*ptr);
-    }
-
-    const T* elem = any_cast<T>(&value);
-    if (elem == nullptr) {
-      *listener << "whose value is not of type '" << GetTypeName() << "'";
-      return false;
-    }
-
-    StringMatchResultListener elem_listener;
-    const bool match = matcher_.MatchAndExplain(*elem, &elem_listener);
-    *listener << "whose value " << PrintToString(*elem)
-              << (match ? " matches" : " doesn't match");
-    PrintIfNotEmpty(elem_listener.str(), listener->stream());
-    return match;
-  }
-
-  void DescribeTo(std::ostream* os) const {
-    *os << "is an 'any' type with value of type '" << GetTypeName()
-        << "' and the value ";
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(std::ostream* os) const {
-    *os << "is an 'any' type with value of type other than '" << GetTypeName()
-        << "' or the value ";
-    matcher_.DescribeNegationTo(os);
-  }
-
- private:
-  static std::string GetTypeName() {
-#if GTEST_HAS_RTTI
-    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(
-        return internal::GetTypeName<T>());
-#endif
-    return "the element type";
-  }
-
-  const ::testing::Matcher<const T&> matcher_;
-};
-
-}  // namespace any_cast_matcher
-
-// Implements the Args() matcher.
-template <class ArgsTuple, size_t... k>
-class ArgsMatcherImpl : public MatcherInterface<ArgsTuple> {
- public:
-  using RawArgsTuple = typename std::decay<ArgsTuple>::type;
-  using SelectedArgs =
-      std::tuple<typename std::tuple_element<k, RawArgsTuple>::type...>;
-  using MonomorphicInnerMatcher = Matcher<const SelectedArgs&>;
-
-  template <typename InnerMatcher>
-  explicit ArgsMatcherImpl(const InnerMatcher& inner_matcher)
-      : inner_matcher_(SafeMatcherCast<const SelectedArgs&>(inner_matcher)) {}
-
-  bool MatchAndExplain(ArgsTuple args,
-                       MatchResultListener* listener) const override {
-    // Workaround spurious C4100 on MSVC<=15.7 when k is empty.
-    (void)args;
-    const SelectedArgs& selected_args =
-        std::forward_as_tuple(std::get<k>(args)...);
-    if (!listener->IsInterested()) return inner_matcher_.Matches(selected_args);
-
-    PrintIndices(listener->stream());
-    *listener << "are " << PrintToString(selected_args);
-
-    StringMatchResultListener inner_listener;
-    const bool match =
-        inner_matcher_.MatchAndExplain(selected_args, &inner_listener);
-    PrintIfNotEmpty(inner_listener.str(), listener->stream());
-    return match;
-  }
-
-  void DescribeTo(::std::ostream* os) const override {
-    *os << "are a tuple ";
-    PrintIndices(os);
-    inner_matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const override {
-    *os << "are a tuple ";
-    PrintIndices(os);
-    inner_matcher_.DescribeNegationTo(os);
-  }
-
- private:
-  // Prints the indices of the selected fields.
-  static void PrintIndices(::std::ostream* os) {
-    *os << "whose fields (";
-    const char* sep = "";
-    // Workaround spurious C4189 on MSVC<=15.7 when k is empty.
-    (void)sep;
-    const char* dummy[] = {"", (*os << sep << "#" << k, sep = ", ")...};
-    (void)dummy;
-    *os << ") ";
-  }
-
-  MonomorphicInnerMatcher inner_matcher_;
-};
-
-template <class InnerMatcher, size_t... k>
-class ArgsMatcher {
- public:
-  explicit ArgsMatcher(InnerMatcher inner_matcher)
-      : inner_matcher_(std::move(inner_matcher)) {}
-
-  template <typename ArgsTuple>
-  operator Matcher<ArgsTuple>() const {  // NOLINT
-    return MakeMatcher(new ArgsMatcherImpl<ArgsTuple, k...>(inner_matcher_));
-  }
-
- private:
-  InnerMatcher inner_matcher_;
-};
-
-}  // namespace internal
-
-// ElementsAreArray(iterator_first, iterator_last)
-// ElementsAreArray(pointer, count)
-// ElementsAreArray(array)
-// ElementsAreArray(container)
-// ElementsAreArray({ e1, e2, ..., en })
-//
-// The ElementsAreArray() functions are like ElementsAre(...), except
-// that they are given a homogeneous sequence rather than taking each
-// element as a function argument. The sequence can be specified as an
-// array, a pointer and count, a vector, an initializer list, or an
-// STL iterator range. In each of these cases, the underlying sequence
-// can be either a sequence of values or a sequence of matchers.
-//
-// All forms of ElementsAreArray() make a copy of the input matcher sequence.
-
-template <typename Iter>
-inline internal::ElementsAreArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-ElementsAreArray(Iter first, Iter last) {
-  typedef typename ::std::iterator_traits<Iter>::value_type T;
-  return internal::ElementsAreArrayMatcher<T>(first, last);
-}
-
-template <typename T>
-inline internal::ElementsAreArrayMatcher<T> ElementsAreArray(
-    const T* pointer, size_t count) {
-  return ElementsAreArray(pointer, pointer + count);
-}
-
-template <typename T, size_t N>
-inline internal::ElementsAreArrayMatcher<T> ElementsAreArray(
-    const T (&array)[N]) {
-  return ElementsAreArray(array, N);
-}
-
-template <typename Container>
-inline internal::ElementsAreArrayMatcher<typename Container::value_type>
-ElementsAreArray(const Container& container) {
-  return ElementsAreArray(container.begin(), container.end());
-}
-
-template <typename T>
-inline internal::ElementsAreArrayMatcher<T>
-ElementsAreArray(::std::initializer_list<T> xs) {
-  return ElementsAreArray(xs.begin(), xs.end());
-}
-
-// UnorderedElementsAreArray(iterator_first, iterator_last)
-// UnorderedElementsAreArray(pointer, count)
-// UnorderedElementsAreArray(array)
-// UnorderedElementsAreArray(container)
-// UnorderedElementsAreArray({ e1, e2, ..., en })
-//
-// UnorderedElementsAreArray() verifies that a bijective mapping onto a
-// collection of matchers exists.
-//
-// The matchers can be specified as an array, a pointer and count, a container,
-// an initializer list, or an STL iterator range. In each of these cases, the
-// underlying matchers can be either values or matchers.
-
-template <typename Iter>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-UnorderedElementsAreArray(Iter first, Iter last) {
-  typedef typename ::std::iterator_traits<Iter>::value_type T;
-  return internal::UnorderedElementsAreArrayMatcher<T>(
-      internal::UnorderedMatcherRequire::ExactMatch, first, last);
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T>
-UnorderedElementsAreArray(const T* pointer, size_t count) {
-  return UnorderedElementsAreArray(pointer, pointer + count);
-}
-
-template <typename T, size_t N>
-inline internal::UnorderedElementsAreArrayMatcher<T>
-UnorderedElementsAreArray(const T (&array)[N]) {
-  return UnorderedElementsAreArray(array, N);
-}
-
-template <typename Container>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename Container::value_type>
-UnorderedElementsAreArray(const Container& container) {
-  return UnorderedElementsAreArray(container.begin(), container.end());
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T>
-UnorderedElementsAreArray(::std::initializer_list<T> xs) {
-  return UnorderedElementsAreArray(xs.begin(), xs.end());
-}
-
-// _ is a matcher that matches anything of any type.
-//
-// This definition is fine as:
-//
-//   1. The C++ standard permits using the name _ in a namespace that
-//      is not the global namespace or ::std.
-//   2. The AnythingMatcher class has no data member or constructor,
-//      so it's OK to create global variables of this type.
-//   3. c-style has approved of using _ in this case.
-const internal::AnythingMatcher _ = {};
-// Creates a matcher that matches any value of the given type T.
-template <typename T>
-inline Matcher<T> A() {
-  return _;
-}
-
-// Creates a matcher that matches any value of the given type T.
-template <typename T>
-inline Matcher<T> An() {
-  return _;
-}
-
-template <typename T, typename M>
-Matcher<T> internal::MatcherCastImpl<T, M>::CastImpl(
-    const M& value, std::false_type /* convertible_to_matcher */,
-    std::false_type /* convertible_to_T */) {
-  return Eq(value);
-}
-
-// Creates a polymorphic matcher that matches any NULL pointer.
-inline PolymorphicMatcher<internal::IsNullMatcher > IsNull() {
-  return MakePolymorphicMatcher(internal::IsNullMatcher());
-}
-
-// Creates a polymorphic matcher that matches any non-NULL pointer.
-// This is convenient as Not(NULL) doesn't compile (the compiler
-// thinks that that expression is comparing a pointer with an integer).
-inline PolymorphicMatcher<internal::NotNullMatcher > NotNull() {
-  return MakePolymorphicMatcher(internal::NotNullMatcher());
-}
-
-// Creates a polymorphic matcher that matches any argument that
-// references variable x.
-template <typename T>
-inline internal::RefMatcher<T&> Ref(T& x) {  // NOLINT
-  return internal::RefMatcher<T&>(x);
-}
-
-// Creates a polymorphic matcher that matches any NaN floating point.
-inline PolymorphicMatcher<internal::IsNanMatcher> IsNan() {
-  return MakePolymorphicMatcher(internal::IsNanMatcher());
-}
-
-// Creates a matcher that matches any double argument approximately
-// equal to rhs, where two NANs are considered unequal.
-inline internal::FloatingEqMatcher<double> DoubleEq(double rhs) {
-  return internal::FloatingEqMatcher<double>(rhs, false);
-}
-
-// Creates a matcher that matches any double argument approximately
-// equal to rhs, including NaN values when rhs is NaN.
-inline internal::FloatingEqMatcher<double> NanSensitiveDoubleEq(double rhs) {
-  return internal::FloatingEqMatcher<double>(rhs, true);
-}
-
-// Creates a matcher that matches any double argument approximately equal to
-// rhs, up to the specified max absolute error bound, where two NANs are
-// considered unequal.  The max absolute error bound must be non-negative.
-inline internal::FloatingEqMatcher<double> DoubleNear(
-    double rhs, double max_abs_error) {
-  return internal::FloatingEqMatcher<double>(rhs, false, max_abs_error);
-}
-
-// Creates a matcher that matches any double argument approximately equal to
-// rhs, up to the specified max absolute error bound, including NaN values when
-// rhs is NaN.  The max absolute error bound must be non-negative.
-inline internal::FloatingEqMatcher<double> NanSensitiveDoubleNear(
-    double rhs, double max_abs_error) {
-  return internal::FloatingEqMatcher<double>(rhs, true, max_abs_error);
-}
-
-// Creates a matcher that matches any float argument approximately
-// equal to rhs, where two NANs are considered unequal.
-inline internal::FloatingEqMatcher<float> FloatEq(float rhs) {
-  return internal::FloatingEqMatcher<float>(rhs, false);
-}
-
-// Creates a matcher that matches any float argument approximately
-// equal to rhs, including NaN values when rhs is NaN.
-inline internal::FloatingEqMatcher<float> NanSensitiveFloatEq(float rhs) {
-  return internal::FloatingEqMatcher<float>(rhs, true);
-}
-
-// Creates a matcher that matches any float argument approximately equal to
-// rhs, up to the specified max absolute error bound, where two NANs are
-// considered unequal.  The max absolute error bound must be non-negative.
-inline internal::FloatingEqMatcher<float> FloatNear(
-    float rhs, float max_abs_error) {
-  return internal::FloatingEqMatcher<float>(rhs, false, max_abs_error);
-}
-
-// Creates a matcher that matches any float argument approximately equal to
-// rhs, up to the specified max absolute error bound, including NaN values when
-// rhs is NaN.  The max absolute error bound must be non-negative.
-inline internal::FloatingEqMatcher<float> NanSensitiveFloatNear(
-    float rhs, float max_abs_error) {
-  return internal::FloatingEqMatcher<float>(rhs, true, max_abs_error);
-}
-
-// Creates a matcher that matches a pointer (raw or smart) that points
-// to a value that matches inner_matcher.
-template <typename InnerMatcher>
-inline internal::PointeeMatcher<InnerMatcher> Pointee(
-    const InnerMatcher& inner_matcher) {
-  return internal::PointeeMatcher<InnerMatcher>(inner_matcher);
-}
-
-#if GTEST_HAS_RTTI
-// Creates a matcher that matches a pointer or reference that matches
-// inner_matcher when dynamic_cast<To> is applied.
-// The result of dynamic_cast<To> is forwarded to the inner matcher.
-// If To is a pointer and the cast fails, the inner matcher will receive NULL.
-// If To is a reference and the cast fails, this matcher returns false
-// immediately.
-template <typename To>
-inline PolymorphicMatcher<internal::WhenDynamicCastToMatcher<To> >
-WhenDynamicCastTo(const Matcher<To>& inner_matcher) {
-  return MakePolymorphicMatcher(
-      internal::WhenDynamicCastToMatcher<To>(inner_matcher));
-}
-#endif  // GTEST_HAS_RTTI
-
-// Creates a matcher that matches an object whose given field matches
-// 'matcher'.  For example,
-//   Field(&Foo::number, Ge(5))
-// matches a Foo object x if and only if x.number >= 5.
-template <typename Class, typename FieldType, typename FieldMatcher>
-inline PolymorphicMatcher<
-  internal::FieldMatcher<Class, FieldType> > Field(
-    FieldType Class::*field, const FieldMatcher& matcher) {
-  return MakePolymorphicMatcher(
-      internal::FieldMatcher<Class, FieldType>(
-          field, MatcherCast<const FieldType&>(matcher)));
-  // The call to MatcherCast() is required for supporting inner
-  // matchers of compatible types.  For example, it allows
-  //   Field(&Foo::bar, m)
-  // to compile where bar is an int32 and m is a matcher for int64.
-}
-
-// Same as Field() but also takes the name of the field to provide better error
-// messages.
-template <typename Class, typename FieldType, typename FieldMatcher>
-inline PolymorphicMatcher<internal::FieldMatcher<Class, FieldType> > Field(
-    const std::string& field_name, FieldType Class::*field,
-    const FieldMatcher& matcher) {
-  return MakePolymorphicMatcher(internal::FieldMatcher<Class, FieldType>(
-      field_name, field, MatcherCast<const FieldType&>(matcher)));
-}
-
-// Creates a matcher that matches an object whose given property
-// matches 'matcher'.  For example,
-//   Property(&Foo::str, StartsWith("hi"))
-// matches a Foo object x if and only if x.str() starts with "hi".
-template <typename Class, typename PropertyType, typename PropertyMatcher>
-inline PolymorphicMatcher<internal::PropertyMatcher<
-    Class, PropertyType, PropertyType (Class::*)() const> >
-Property(PropertyType (Class::*property)() const,
-         const PropertyMatcher& matcher) {
-  return MakePolymorphicMatcher(
-      internal::PropertyMatcher<Class, PropertyType,
-                                PropertyType (Class::*)() const>(
-          property, MatcherCast<const PropertyType&>(matcher)));
-  // The call to MatcherCast() is required for supporting inner
-  // matchers of compatible types.  For example, it allows
-  //   Property(&Foo::bar, m)
-  // to compile where bar() returns an int32 and m is a matcher for int64.
-}
-
-// Same as Property() above, but also takes the name of the property to provide
-// better error messages.
-template <typename Class, typename PropertyType, typename PropertyMatcher>
-inline PolymorphicMatcher<internal::PropertyMatcher<
-    Class, PropertyType, PropertyType (Class::*)() const> >
-Property(const std::string& property_name,
-         PropertyType (Class::*property)() const,
-         const PropertyMatcher& matcher) {
-  return MakePolymorphicMatcher(
-      internal::PropertyMatcher<Class, PropertyType,
-                                PropertyType (Class::*)() const>(
-          property_name, property, MatcherCast<const PropertyType&>(matcher)));
-}
-
-// The same as above but for reference-qualified member functions.
-template <typename Class, typename PropertyType, typename PropertyMatcher>
-inline PolymorphicMatcher<internal::PropertyMatcher<
-    Class, PropertyType, PropertyType (Class::*)() const &> >
-Property(PropertyType (Class::*property)() const &,
-         const PropertyMatcher& matcher) {
-  return MakePolymorphicMatcher(
-      internal::PropertyMatcher<Class, PropertyType,
-                                PropertyType (Class::*)() const&>(
-          property, MatcherCast<const PropertyType&>(matcher)));
-}
-
-// Three-argument form for reference-qualified member functions.
-template <typename Class, typename PropertyType, typename PropertyMatcher>
-inline PolymorphicMatcher<internal::PropertyMatcher<
-    Class, PropertyType, PropertyType (Class::*)() const &> >
-Property(const std::string& property_name,
-         PropertyType (Class::*property)() const &,
-         const PropertyMatcher& matcher) {
-  return MakePolymorphicMatcher(
-      internal::PropertyMatcher<Class, PropertyType,
-                                PropertyType (Class::*)() const&>(
-          property_name, property, MatcherCast<const PropertyType&>(matcher)));
-}
-
-// Creates a matcher that matches an object if and only if the result of
-// applying a callable to x matches 'matcher'. For example,
-//   ResultOf(f, StartsWith("hi"))
-// matches a Foo object x if and only if f(x) starts with "hi".
-// `callable` parameter can be a function, function pointer, or a functor. It is
-// required to keep no state affecting the results of the calls on it and make
-// no assumptions about how many calls will be made. Any state it keeps must be
-// protected from the concurrent access.
-template <typename Callable, typename InnerMatcher>
-internal::ResultOfMatcher<Callable, InnerMatcher> ResultOf(
-    Callable callable, InnerMatcher matcher) {
-  return internal::ResultOfMatcher<Callable, InnerMatcher>(
-      std::move(callable), std::move(matcher));
-}
-
-// String matchers.
-
-// Matches a string equal to str.
-template <typename T = std::string>
-PolymorphicMatcher<internal::StrEqualityMatcher<std::string> > StrEq(
-    const internal::StringLike<T>& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::string>(std::string(str), true, true));
-}
-
-// Matches a string not equal to str.
-template <typename T = std::string>
-PolymorphicMatcher<internal::StrEqualityMatcher<std::string> > StrNe(
-    const internal::StringLike<T>& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::string>(std::string(str), false, true));
-}
-
-// Matches a string equal to str, ignoring case.
-template <typename T = std::string>
-PolymorphicMatcher<internal::StrEqualityMatcher<std::string> > StrCaseEq(
-    const internal::StringLike<T>& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::string>(std::string(str), true, false));
-}
-
-// Matches a string not equal to str, ignoring case.
-template <typename T = std::string>
-PolymorphicMatcher<internal::StrEqualityMatcher<std::string> > StrCaseNe(
-    const internal::StringLike<T>& str) {
-  return MakePolymorphicMatcher(internal::StrEqualityMatcher<std::string>(
-      std::string(str), false, false));
-}
-
-// Creates a matcher that matches any string, std::string, or C string
-// that contains the given substring.
-template <typename T = std::string>
-PolymorphicMatcher<internal::HasSubstrMatcher<std::string> > HasSubstr(
-    const internal::StringLike<T>& substring) {
-  return MakePolymorphicMatcher(
-      internal::HasSubstrMatcher<std::string>(std::string(substring)));
-}
-
-// Matches a string that starts with 'prefix' (case-sensitive).
-template <typename T = std::string>
-PolymorphicMatcher<internal::StartsWithMatcher<std::string> > StartsWith(
-    const internal::StringLike<T>& prefix) {
-  return MakePolymorphicMatcher(
-      internal::StartsWithMatcher<std::string>(std::string(prefix)));
-}
-
-// Matches a string that ends with 'suffix' (case-sensitive).
-template <typename T = std::string>
-PolymorphicMatcher<internal::EndsWithMatcher<std::string> > EndsWith(
-    const internal::StringLike<T>& suffix) {
-  return MakePolymorphicMatcher(
-      internal::EndsWithMatcher<std::string>(std::string(suffix)));
-}
-
-#if GTEST_HAS_STD_WSTRING
-// Wide string matchers.
-
-// Matches a string equal to str.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> > StrEq(
-    const std::wstring& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::wstring>(str, true, true));
-}
-
-// Matches a string not equal to str.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> > StrNe(
-    const std::wstring& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::wstring>(str, false, true));
-}
-
-// Matches a string equal to str, ignoring case.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> >
-StrCaseEq(const std::wstring& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::wstring>(str, true, false));
-}
-
-// Matches a string not equal to str, ignoring case.
-inline PolymorphicMatcher<internal::StrEqualityMatcher<std::wstring> >
-StrCaseNe(const std::wstring& str) {
-  return MakePolymorphicMatcher(
-      internal::StrEqualityMatcher<std::wstring>(str, false, false));
-}
-
-// Creates a matcher that matches any ::wstring, std::wstring, or C wide string
-// that contains the given substring.
-inline PolymorphicMatcher<internal::HasSubstrMatcher<std::wstring> > HasSubstr(
-    const std::wstring& substring) {
-  return MakePolymorphicMatcher(
-      internal::HasSubstrMatcher<std::wstring>(substring));
-}
-
-// Matches a string that starts with 'prefix' (case-sensitive).
-inline PolymorphicMatcher<internal::StartsWithMatcher<std::wstring> >
-StartsWith(const std::wstring& prefix) {
-  return MakePolymorphicMatcher(
-      internal::StartsWithMatcher<std::wstring>(prefix));
-}
-
-// Matches a string that ends with 'suffix' (case-sensitive).
-inline PolymorphicMatcher<internal::EndsWithMatcher<std::wstring> > EndsWith(
-    const std::wstring& suffix) {
-  return MakePolymorphicMatcher(
-      internal::EndsWithMatcher<std::wstring>(suffix));
-}
-
-#endif  // GTEST_HAS_STD_WSTRING
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field == the second field.
-inline internal::Eq2Matcher Eq() { return internal::Eq2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field >= the second field.
-inline internal::Ge2Matcher Ge() { return internal::Ge2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field > the second field.
-inline internal::Gt2Matcher Gt() { return internal::Gt2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field <= the second field.
-inline internal::Le2Matcher Le() { return internal::Le2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field < the second field.
-inline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where the
-// first field != the second field.
-inline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); }
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// FloatEq(first field) matches the second field.
-inline internal::FloatingEq2Matcher<float> FloatEq() {
-  return internal::FloatingEq2Matcher<float>();
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// DoubleEq(first field) matches the second field.
-inline internal::FloatingEq2Matcher<double> DoubleEq() {
-  return internal::FloatingEq2Matcher<double>();
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// FloatEq(first field) matches the second field with NaN equality.
-inline internal::FloatingEq2Matcher<float> NanSensitiveFloatEq() {
-  return internal::FloatingEq2Matcher<float>(true);
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// DoubleEq(first field) matches the second field with NaN equality.
-inline internal::FloatingEq2Matcher<double> NanSensitiveDoubleEq() {
-  return internal::FloatingEq2Matcher<double>(true);
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// FloatNear(first field, max_abs_error) matches the second field.
-inline internal::FloatingEq2Matcher<float> FloatNear(float max_abs_error) {
-  return internal::FloatingEq2Matcher<float>(max_abs_error);
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// DoubleNear(first field, max_abs_error) matches the second field.
-inline internal::FloatingEq2Matcher<double> DoubleNear(double max_abs_error) {
-  return internal::FloatingEq2Matcher<double>(max_abs_error);
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// FloatNear(first field, max_abs_error) matches the second field with NaN
-// equality.
-inline internal::FloatingEq2Matcher<float> NanSensitiveFloatNear(
-    float max_abs_error) {
-  return internal::FloatingEq2Matcher<float>(max_abs_error, true);
-}
-
-// Creates a polymorphic matcher that matches a 2-tuple where
-// DoubleNear(first field, max_abs_error) matches the second field with NaN
-// equality.
-inline internal::FloatingEq2Matcher<double> NanSensitiveDoubleNear(
-    double max_abs_error) {
-  return internal::FloatingEq2Matcher<double>(max_abs_error, true);
-}
-
-// Creates a matcher that matches any value of type T that m doesn't
-// match.
-template <typename InnerMatcher>
-inline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) {
-  return internal::NotMatcher<InnerMatcher>(m);
-}
-
-// Returns a matcher that matches anything that satisfies the given
-// predicate.  The predicate can be any unary function or functor
-// whose return type can be implicitly converted to bool.
-template <typename Predicate>
-inline PolymorphicMatcher<internal::TrulyMatcher<Predicate> >
-Truly(Predicate pred) {
-  return MakePolymorphicMatcher(internal::TrulyMatcher<Predicate>(pred));
-}
-
-// Returns a matcher that matches the container size. The container must
-// support both size() and size_type which all STL-like containers provide.
-// Note that the parameter 'size' can be a value of type size_type as well as
-// matcher. For instance:
-//   EXPECT_THAT(container, SizeIs(2));     // Checks container has 2 elements.
-//   EXPECT_THAT(container, SizeIs(Le(2));  // Checks container has at most 2.
-template <typename SizeMatcher>
-inline internal::SizeIsMatcher<SizeMatcher>
-SizeIs(const SizeMatcher& size_matcher) {
-  return internal::SizeIsMatcher<SizeMatcher>(size_matcher);
-}
-
-// Returns a matcher that matches the distance between the container's begin()
-// iterator and its end() iterator, i.e. the size of the container. This matcher
-// can be used instead of SizeIs with containers such as std::forward_list which
-// do not implement size(). The container must provide const_iterator (with
-// valid iterator_traits), begin() and end().
-template <typename DistanceMatcher>
-inline internal::BeginEndDistanceIsMatcher<DistanceMatcher>
-BeginEndDistanceIs(const DistanceMatcher& distance_matcher) {
-  return internal::BeginEndDistanceIsMatcher<DistanceMatcher>(distance_matcher);
-}
-
-// Returns a matcher that matches an equal container.
-// This matcher behaves like Eq(), but in the event of mismatch lists the
-// values that are included in one container but not the other. (Duplicate
-// values and order differences are not explained.)
-template <typename Container>
-inline PolymorphicMatcher<internal::ContainerEqMatcher<
-    typename std::remove_const<Container>::type>>
-ContainerEq(const Container& rhs) {
-  return MakePolymorphicMatcher(internal::ContainerEqMatcher<Container>(rhs));
-}
-
-// Returns a matcher that matches a container that, when sorted using
-// the given comparator, matches container_matcher.
-template <typename Comparator, typename ContainerMatcher>
-inline internal::WhenSortedByMatcher<Comparator, ContainerMatcher>
-WhenSortedBy(const Comparator& comparator,
-             const ContainerMatcher& container_matcher) {
-  return internal::WhenSortedByMatcher<Comparator, ContainerMatcher>(
-      comparator, container_matcher);
-}
-
-// Returns a matcher that matches a container that, when sorted using
-// the < operator, matches container_matcher.
-template <typename ContainerMatcher>
-inline internal::WhenSortedByMatcher<internal::LessComparator, ContainerMatcher>
-WhenSorted(const ContainerMatcher& container_matcher) {
-  return
-      internal::WhenSortedByMatcher<internal::LessComparator, ContainerMatcher>(
-          internal::LessComparator(), container_matcher);
-}
-
-// Matches an STL-style container or a native array that contains the
-// same number of elements as in rhs, where its i-th element and rhs's
-// i-th element (as a pair) satisfy the given pair matcher, for all i.
-// TupleMatcher must be able to be safely cast to Matcher<std::tuple<const
-// T1&, const T2&> >, where T1 and T2 are the types of elements in the
-// LHS container and the RHS container respectively.
-template <typename TupleMatcher, typename Container>
-inline internal::PointwiseMatcher<TupleMatcher,
-                                  typename std::remove_const<Container>::type>
-Pointwise(const TupleMatcher& tuple_matcher, const Container& rhs) {
-  return internal::PointwiseMatcher<TupleMatcher, Container>(tuple_matcher,
-                                                             rhs);
-}
-
-
-// Supports the Pointwise(m, {a, b, c}) syntax.
-template <typename TupleMatcher, typename T>
-inline internal::PointwiseMatcher<TupleMatcher, std::vector<T> > Pointwise(
-    const TupleMatcher& tuple_matcher, std::initializer_list<T> rhs) {
-  return Pointwise(tuple_matcher, std::vector<T>(rhs));
-}
-
-
-// UnorderedPointwise(pair_matcher, rhs) matches an STL-style
-// container or a native array that contains the same number of
-// elements as in rhs, where in some permutation of the container, its
-// i-th element and rhs's i-th element (as a pair) satisfy the given
-// pair matcher, for all i.  Tuple2Matcher must be able to be safely
-// cast to Matcher<std::tuple<const T1&, const T2&> >, where T1 and T2 are
-// the types of elements in the LHS container and the RHS container
-// respectively.
-//
-// This is like Pointwise(pair_matcher, rhs), except that the element
-// order doesn't matter.
-template <typename Tuple2Matcher, typename RhsContainer>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename internal::BoundSecondMatcher<
-        Tuple2Matcher,
-        typename internal::StlContainerView<
-            typename std::remove_const<RhsContainer>::type>::type::value_type>>
-UnorderedPointwise(const Tuple2Matcher& tuple2_matcher,
-                   const RhsContainer& rhs_container) {
-  // RhsView allows the same code to handle RhsContainer being a
-  // STL-style container and it being a native C-style array.
-  typedef typename internal::StlContainerView<RhsContainer> RhsView;
-  typedef typename RhsView::type RhsStlContainer;
-  typedef typename RhsStlContainer::value_type Second;
-  const RhsStlContainer& rhs_stl_container =
-      RhsView::ConstReference(rhs_container);
-
-  // Create a matcher for each element in rhs_container.
-  ::std::vector<internal::BoundSecondMatcher<Tuple2Matcher, Second> > matchers;
-  for (typename RhsStlContainer::const_iterator it = rhs_stl_container.begin();
-       it != rhs_stl_container.end(); ++it) {
-    matchers.push_back(
-        internal::MatcherBindSecond(tuple2_matcher, *it));
-  }
-
-  // Delegate the work to UnorderedElementsAreArray().
-  return UnorderedElementsAreArray(matchers);
-}
-
-
-// Supports the UnorderedPointwise(m, {a, b, c}) syntax.
-template <typename Tuple2Matcher, typename T>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename internal::BoundSecondMatcher<Tuple2Matcher, T> >
-UnorderedPointwise(const Tuple2Matcher& tuple2_matcher,
-                   std::initializer_list<T> rhs) {
-  return UnorderedPointwise(tuple2_matcher, std::vector<T>(rhs));
-}
-
-
-// Matches an STL-style container or a native array that contains at
-// least one element matching the given value or matcher.
-//
-// Examples:
-//   ::std::set<int> page_ids;
-//   page_ids.insert(3);
-//   page_ids.insert(1);
-//   EXPECT_THAT(page_ids, Contains(1));
-//   EXPECT_THAT(page_ids, Contains(Gt(2)));
-//   EXPECT_THAT(page_ids, Not(Contains(4)));
-//
-//   ::std::map<int, size_t> page_lengths;
-//   page_lengths[1] = 100;
-//   EXPECT_THAT(page_lengths,
-//               Contains(::std::pair<const int, size_t>(1, 100)));
-//
-//   const char* user_ids[] = { "joe", "mike", "tom" };
-//   EXPECT_THAT(user_ids, Contains(Eq(::std::string("tom"))));
-template <typename M>
-inline internal::ContainsMatcher<M> Contains(M matcher) {
-  return internal::ContainsMatcher<M>(matcher);
-}
-
-// IsSupersetOf(iterator_first, iterator_last)
-// IsSupersetOf(pointer, count)
-// IsSupersetOf(array)
-// IsSupersetOf(container)
-// IsSupersetOf({e1, e2, ..., en})
-//
-// IsSupersetOf() verifies that a surjective partial mapping onto a collection
-// of matchers exists. In other words, a container matches
-// IsSupersetOf({e1, ..., en}) if and only if there is a permutation
-// {y1, ..., yn} of some of the container's elements where y1 matches e1,
-// ..., and yn matches en. Obviously, the size of the container must be >= n
-// in order to have a match. Examples:
-//
-// - {1, 2, 3} matches IsSupersetOf({Ge(3), Ne(0)}), as 3 matches Ge(3) and
-//   1 matches Ne(0).
-// - {1, 2} doesn't match IsSupersetOf({Eq(1), Lt(2)}), even though 1 matches
-//   both Eq(1) and Lt(2). The reason is that different matchers must be used
-//   for elements in different slots of the container.
-// - {1, 1, 2} matches IsSupersetOf({Eq(1), Lt(2)}), as (the first) 1 matches
-//   Eq(1) and (the second) 1 matches Lt(2).
-// - {1, 2, 3} matches IsSupersetOf(Gt(1), Gt(1)), as 2 matches (the first)
-//   Gt(1) and 3 matches (the second) Gt(1).
-//
-// The matchers can be specified as an array, a pointer and count, a container,
-// an initializer list, or an STL iterator range. In each of these cases, the
-// underlying matchers can be either values or matchers.
-
-template <typename Iter>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-IsSupersetOf(Iter first, Iter last) {
-  typedef typename ::std::iterator_traits<Iter>::value_type T;
-  return internal::UnorderedElementsAreArrayMatcher<T>(
-      internal::UnorderedMatcherRequire::Superset, first, last);
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSupersetOf(
-    const T* pointer, size_t count) {
-  return IsSupersetOf(pointer, pointer + count);
-}
-
-template <typename T, size_t N>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSupersetOf(
-    const T (&array)[N]) {
-  return IsSupersetOf(array, N);
-}
-
-template <typename Container>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename Container::value_type>
-IsSupersetOf(const Container& container) {
-  return IsSupersetOf(container.begin(), container.end());
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSupersetOf(
-    ::std::initializer_list<T> xs) {
-  return IsSupersetOf(xs.begin(), xs.end());
-}
-
-// IsSubsetOf(iterator_first, iterator_last)
-// IsSubsetOf(pointer, count)
-// IsSubsetOf(array)
-// IsSubsetOf(container)
-// IsSubsetOf({e1, e2, ..., en})
-//
-// IsSubsetOf() verifies that an injective mapping onto a collection of matchers
-// exists.  In other words, a container matches IsSubsetOf({e1, ..., en}) if and
-// only if there is a subset of matchers {m1, ..., mk} which would match the
-// container using UnorderedElementsAre.  Obviously, the size of the container
-// must be <= n in order to have a match. Examples:
-//
-// - {1} matches IsSubsetOf({Gt(0), Lt(0)}), as 1 matches Gt(0).
-// - {1, -1} matches IsSubsetOf({Lt(0), Gt(0)}), as 1 matches Gt(0) and -1
-//   matches Lt(0).
-// - {1, 2} doesn't matches IsSubsetOf({Gt(0), Lt(0)}), even though 1 and 2 both
-//   match Gt(0). The reason is that different matchers must be used for
-//   elements in different slots of the container.
-//
-// The matchers can be specified as an array, a pointer and count, a container,
-// an initializer list, or an STL iterator range. In each of these cases, the
-// underlying matchers can be either values or matchers.
-
-template <typename Iter>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-IsSubsetOf(Iter first, Iter last) {
-  typedef typename ::std::iterator_traits<Iter>::value_type T;
-  return internal::UnorderedElementsAreArrayMatcher<T>(
-      internal::UnorderedMatcherRequire::Subset, first, last);
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSubsetOf(
-    const T* pointer, size_t count) {
-  return IsSubsetOf(pointer, pointer + count);
-}
-
-template <typename T, size_t N>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSubsetOf(
-    const T (&array)[N]) {
-  return IsSubsetOf(array, N);
-}
-
-template <typename Container>
-inline internal::UnorderedElementsAreArrayMatcher<
-    typename Container::value_type>
-IsSubsetOf(const Container& container) {
-  return IsSubsetOf(container.begin(), container.end());
-}
-
-template <typename T>
-inline internal::UnorderedElementsAreArrayMatcher<T> IsSubsetOf(
-    ::std::initializer_list<T> xs) {
-  return IsSubsetOf(xs.begin(), xs.end());
-}
-
-// Matches an STL-style container or a native array that contains only
-// elements matching the given value or matcher.
-//
-// Each(m) is semantically equivalent to Not(Contains(Not(m))). Only
-// the messages are different.
-//
-// Examples:
-//   ::std::set<int> page_ids;
-//   // Each(m) matches an empty container, regardless of what m is.
-//   EXPECT_THAT(page_ids, Each(Eq(1)));
-//   EXPECT_THAT(page_ids, Each(Eq(77)));
-//
-//   page_ids.insert(3);
-//   EXPECT_THAT(page_ids, Each(Gt(0)));
-//   EXPECT_THAT(page_ids, Not(Each(Gt(4))));
-//   page_ids.insert(1);
-//   EXPECT_THAT(page_ids, Not(Each(Lt(2))));
-//
-//   ::std::map<int, size_t> page_lengths;
-//   page_lengths[1] = 100;
-//   page_lengths[2] = 200;
-//   page_lengths[3] = 300;
-//   EXPECT_THAT(page_lengths, Not(Each(Pair(1, 100))));
-//   EXPECT_THAT(page_lengths, Each(Key(Le(3))));
-//
-//   const char* user_ids[] = { "joe", "mike", "tom" };
-//   EXPECT_THAT(user_ids, Not(Each(Eq(::std::string("tom")))));
-template <typename M>
-inline internal::EachMatcher<M> Each(M matcher) {
-  return internal::EachMatcher<M>(matcher);
-}
-
-// Key(inner_matcher) matches an std::pair whose 'first' field matches
-// inner_matcher.  For example, Contains(Key(Ge(5))) can be used to match an
-// std::map that contains at least one element whose key is >= 5.
-template <typename M>
-inline internal::KeyMatcher<M> Key(M inner_matcher) {
-  return internal::KeyMatcher<M>(inner_matcher);
-}
-
-// Pair(first_matcher, second_matcher) matches a std::pair whose 'first' field
-// matches first_matcher and whose 'second' field matches second_matcher.  For
-// example, EXPECT_THAT(map_type, ElementsAre(Pair(Ge(5), "foo"))) can be used
-// to match a std::map<int, string> that contains exactly one element whose key
-// is >= 5 and whose value equals "foo".
-template <typename FirstMatcher, typename SecondMatcher>
-inline internal::PairMatcher<FirstMatcher, SecondMatcher>
-Pair(FirstMatcher first_matcher, SecondMatcher second_matcher) {
-  return internal::PairMatcher<FirstMatcher, SecondMatcher>(
-      first_matcher, second_matcher);
-}
-
-namespace no_adl {
-// FieldsAre(matchers...) matches piecewise the fields of compatible structs.
-// These include those that support `get<I>(obj)`, and when structured bindings
-// are enabled any class that supports them.
-// In particular, `std::tuple`, `std::pair`, `std::array` and aggregate types.
-template <typename... M>
-internal::FieldsAreMatcher<typename std::decay<M>::type...> FieldsAre(
-    M&&... matchers) {
-  return internal::FieldsAreMatcher<typename std::decay<M>::type...>(
-      std::forward<M>(matchers)...);
-}
-
-// Creates a matcher that matches a pointer (raw or smart) that matches
-// inner_matcher.
-template <typename InnerMatcher>
-inline internal::PointerMatcher<InnerMatcher> Pointer(
-    const InnerMatcher& inner_matcher) {
-  return internal::PointerMatcher<InnerMatcher>(inner_matcher);
-}
-
-// Creates a matcher that matches an object that has an address that matches
-// inner_matcher.
-template <typename InnerMatcher>
-inline internal::AddressMatcher<InnerMatcher> Address(
-    const InnerMatcher& inner_matcher) {
-  return internal::AddressMatcher<InnerMatcher>(inner_matcher);
-}
-}  // namespace no_adl
-
-// Returns a predicate that is satisfied by anything that matches the
-// given matcher.
-template <typename M>
-inline internal::MatcherAsPredicate<M> Matches(M matcher) {
-  return internal::MatcherAsPredicate<M>(matcher);
-}
-
-// Returns true if and only if the value matches the matcher.
-template <typename T, typename M>
-inline bool Value(const T& value, M matcher) {
-  return testing::Matches(matcher)(value);
-}
-
-// Matches the value against the given matcher and explains the match
-// result to listener.
-template <typename T, typename M>
-inline bool ExplainMatchResult(
-    M matcher, const T& value, MatchResultListener* listener) {
-  return SafeMatcherCast<const T&>(matcher).MatchAndExplain(value, listener);
-}
-
-// Returns a string representation of the given matcher.  Useful for description
-// strings of matchers defined using MATCHER_P* macros that accept matchers as
-// their arguments.  For example:
-//
-// MATCHER_P(XAndYThat, matcher,
-//           "X that " + DescribeMatcher<int>(matcher, negation) +
-//               " and Y that " + DescribeMatcher<double>(matcher, negation)) {
-//   return ExplainMatchResult(matcher, arg.x(), result_listener) &&
-//          ExplainMatchResult(matcher, arg.y(), result_listener);
-// }
-template <typename T, typename M>
-std::string DescribeMatcher(const M& matcher, bool negation = false) {
-  ::std::stringstream ss;
-  Matcher<T> monomorphic_matcher = SafeMatcherCast<T>(matcher);
-  if (negation) {
-    monomorphic_matcher.DescribeNegationTo(&ss);
-  } else {
-    monomorphic_matcher.DescribeTo(&ss);
-  }
-  return ss.str();
-}
-
-template <typename... Args>
-internal::ElementsAreMatcher<
-    std::tuple<typename std::decay<const Args&>::type...>>
-ElementsAre(const Args&... matchers) {
-  return internal::ElementsAreMatcher<
-      std::tuple<typename std::decay<const Args&>::type...>>(
-      std::make_tuple(matchers...));
-}
-
-template <typename... Args>
-internal::UnorderedElementsAreMatcher<
-    std::tuple<typename std::decay<const Args&>::type...>>
-UnorderedElementsAre(const Args&... matchers) {
-  return internal::UnorderedElementsAreMatcher<
-      std::tuple<typename std::decay<const Args&>::type...>>(
-      std::make_tuple(matchers...));
-}
-
-// Define variadic matcher versions.
-template <typename... Args>
-internal::AllOfMatcher<typename std::decay<const Args&>::type...> AllOf(
-    const Args&... matchers) {
-  return internal::AllOfMatcher<typename std::decay<const Args&>::type...>(
-      matchers...);
-}
-
-template <typename... Args>
-internal::AnyOfMatcher<typename std::decay<const Args&>::type...> AnyOf(
-    const Args&... matchers) {
-  return internal::AnyOfMatcher<typename std::decay<const Args&>::type...>(
-      matchers...);
-}
-
-// AnyOfArray(array)
-// AnyOfArray(pointer, count)
-// AnyOfArray(container)
-// AnyOfArray({ e1, e2, ..., en })
-// AnyOfArray(iterator_first, iterator_last)
-//
-// AnyOfArray() verifies whether a given value matches any member of a
-// collection of matchers.
-//
-// AllOfArray(array)
-// AllOfArray(pointer, count)
-// AllOfArray(container)
-// AllOfArray({ e1, e2, ..., en })
-// AllOfArray(iterator_first, iterator_last)
-//
-// AllOfArray() verifies whether a given value matches all members of a
-// collection of matchers.
-//
-// The matchers can be specified as an array, a pointer and count, a container,
-// an initializer list, or an STL iterator range. In each of these cases, the
-// underlying matchers can be either values or matchers.
-
-template <typename Iter>
-inline internal::AnyOfArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-AnyOfArray(Iter first, Iter last) {
-  return internal::AnyOfArrayMatcher<
-      typename ::std::iterator_traits<Iter>::value_type>(first, last);
-}
-
-template <typename Iter>
-inline internal::AllOfArrayMatcher<
-    typename ::std::iterator_traits<Iter>::value_type>
-AllOfArray(Iter first, Iter last) {
-  return internal::AllOfArrayMatcher<
-      typename ::std::iterator_traits<Iter>::value_type>(first, last);
-}
-
-template <typename T>
-inline internal::AnyOfArrayMatcher<T> AnyOfArray(const T* ptr, size_t count) {
-  return AnyOfArray(ptr, ptr + count);
-}
-
-template <typename T>
-inline internal::AllOfArrayMatcher<T> AllOfArray(const T* ptr, size_t count) {
-  return AllOfArray(ptr, ptr + count);
-}
-
-template <typename T, size_t N>
-inline internal::AnyOfArrayMatcher<T> AnyOfArray(const T (&array)[N]) {
-  return AnyOfArray(array, N);
-}
-
-template <typename T, size_t N>
-inline internal::AllOfArrayMatcher<T> AllOfArray(const T (&array)[N]) {
-  return AllOfArray(array, N);
-}
-
-template <typename Container>
-inline internal::AnyOfArrayMatcher<typename Container::value_type> AnyOfArray(
-    const Container& container) {
-  return AnyOfArray(container.begin(), container.end());
-}
-
-template <typename Container>
-inline internal::AllOfArrayMatcher<typename Container::value_type> AllOfArray(
-    const Container& container) {
-  return AllOfArray(container.begin(), container.end());
-}
-
-template <typename T>
-inline internal::AnyOfArrayMatcher<T> AnyOfArray(
-    ::std::initializer_list<T> xs) {
-  return AnyOfArray(xs.begin(), xs.end());
-}
-
-template <typename T>
-inline internal::AllOfArrayMatcher<T> AllOfArray(
-    ::std::initializer_list<T> xs) {
-  return AllOfArray(xs.begin(), xs.end());
-}
-
-// Args<N1, N2, ..., Nk>(a_matcher) matches a tuple if the selected
-// fields of it matches a_matcher.  C++ doesn't support default
-// arguments for function templates, so we have to overload it.
-template <size_t... k, typename InnerMatcher>
-internal::ArgsMatcher<typename std::decay<InnerMatcher>::type, k...> Args(
-    InnerMatcher&& matcher) {
-  return internal::ArgsMatcher<typename std::decay<InnerMatcher>::type, k...>(
-      std::forward<InnerMatcher>(matcher));
-}
-
-// AllArgs(m) is a synonym of m.  This is useful in
-//
-//   EXPECT_CALL(foo, Bar(_, _)).With(AllArgs(Eq()));
-//
-// which is easier to read than
-//
-//   EXPECT_CALL(foo, Bar(_, _)).With(Eq());
-template <typename InnerMatcher>
-inline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; }
-
-// Returns a matcher that matches the value of an optional<> type variable.
-// The matcher implementation only uses '!arg' and requires that the optional<>
-// type has a 'value_type' member type and that '*arg' is of type 'value_type'
-// and is printable using 'PrintToString'. It is compatible with
-// std::optional/std::experimental::optional.
-// Note that to compare an optional type variable against nullopt you should
-// use Eq(nullopt) and not Eq(Optional(nullopt)). The latter implies that the
-// optional value contains an optional itself.
-template <typename ValueMatcher>
-inline internal::OptionalMatcher<ValueMatcher> Optional(
-    const ValueMatcher& value_matcher) {
-  return internal::OptionalMatcher<ValueMatcher>(value_matcher);
-}
-
-// Returns a matcher that matches the value of a absl::any type variable.
-template <typename T>
-PolymorphicMatcher<internal::any_cast_matcher::AnyCastMatcher<T> > AnyWith(
-    const Matcher<const T&>& matcher) {
-  return MakePolymorphicMatcher(
-      internal::any_cast_matcher::AnyCastMatcher<T>(matcher));
-}
-
-// Returns a matcher that matches the value of a variant<> type variable.
-// The matcher implementation uses ADL to find the holds_alternative and get
-// functions.
-// It is compatible with std::variant.
-template <typename T>
-PolymorphicMatcher<internal::variant_matcher::VariantMatcher<T> > VariantWith(
-    const Matcher<const T&>& matcher) {
-  return MakePolymorphicMatcher(
-      internal::variant_matcher::VariantMatcher<T>(matcher));
-}
-
-#if GTEST_HAS_EXCEPTIONS
-
-// Anything inside the `internal` namespace is internal to the implementation
-// and must not be used in user code!
-namespace internal {
-
-class WithWhatMatcherImpl {
- public:
-  WithWhatMatcherImpl(Matcher<std::string> matcher)
-      : matcher_(std::move(matcher)) {}
-
-  void DescribeTo(std::ostream* os) const {
-    *os << "contains .what() that ";
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(std::ostream* os) const {
-    *os << "contains .what() that does not ";
-    matcher_.DescribeTo(os);
-  }
-
-  template <typename Err>
-  bool MatchAndExplain(const Err& err, MatchResultListener* listener) const {
-    *listener << "which contains .what() that ";
-    return matcher_.MatchAndExplain(err.what(), listener);
-  }
-
- private:
-  const Matcher<std::string> matcher_;
-};
-
-inline PolymorphicMatcher<WithWhatMatcherImpl> WithWhat(
-    Matcher<std::string> m) {
-  return MakePolymorphicMatcher(WithWhatMatcherImpl(std::move(m)));
-}
-
-template <typename Err>
-class ExceptionMatcherImpl {
-  class NeverThrown {
-   public:
-    const char* what() const noexcept {
-      return "this exception should never be thrown";
-    }
-  };
-
-  // If the matchee raises an exception of a wrong type, we'd like to
-  // catch it and print its message and type. To do that, we add an additional
-  // catch clause:
-  //
-  //     try { ... }
-  //     catch (const Err&) { /* an expected exception */ }
-  //     catch (const std::exception&) { /* exception of a wrong type */ }
-  //
-  // However, if the `Err` itself is `std::exception`, we'd end up with two
-  // identical `catch` clauses:
-  //
-  //     try { ... }
-  //     catch (const std::exception&) { /* an expected exception */ }
-  //     catch (const std::exception&) { /* exception of a wrong type */ }
-  //
-  // This can cause a warning or an error in some compilers. To resolve
-  // the issue, we use a fake error type whenever `Err` is `std::exception`:
-  //
-  //     try { ... }
-  //     catch (const std::exception&) { /* an expected exception */ }
-  //     catch (const NeverThrown&) { /* exception of a wrong type */ }
-  using DefaultExceptionType = typename std::conditional<
-      std::is_same<typename std::remove_cv<
-                       typename std::remove_reference<Err>::type>::type,
-                   std::exception>::value,
-      const NeverThrown&, const std::exception&>::type;
-
- public:
-  ExceptionMatcherImpl(Matcher<const Err&> matcher)
-      : matcher_(std::move(matcher)) {}
-
-  void DescribeTo(std::ostream* os) const {
-    *os << "throws an exception which is a " << GetTypeName<Err>();
-    *os << " which ";
-    matcher_.DescribeTo(os);
-  }
-
-  void DescribeNegationTo(std::ostream* os) const {
-    *os << "throws an exception which is not a " << GetTypeName<Err>();
-    *os << " which ";
-    matcher_.DescribeNegationTo(os);
-  }
-
-  template <typename T>
-  bool MatchAndExplain(T&& x, MatchResultListener* listener) const {
-    try {
-      (void)(std::forward<T>(x)());
-    } catch (const Err& err) {
-      *listener << "throws an exception which is a " << GetTypeName<Err>();
-      *listener << " ";
-      return matcher_.MatchAndExplain(err, listener);
-    } catch (DefaultExceptionType err) {
-#if GTEST_HAS_RTTI
-      *listener << "throws an exception of type " << GetTypeName(typeid(err));
-      *listener << " ";
-#else
-      *listener << "throws an std::exception-derived type ";
-#endif
-      *listener << "with description \"" << err.what() << "\"";
-      return false;
-    } catch (...) {
-      *listener << "throws an exception of an unknown type";
-      return false;
-    }
-
-    *listener << "does not throw any exception";
-    return false;
-  }
-
- private:
-  const Matcher<const Err&> matcher_;
-};
-
-}  // namespace internal
-
-// Throws()
-// Throws(exceptionMatcher)
-// ThrowsMessage(messageMatcher)
-//
-// This matcher accepts a callable and verifies that when invoked, it throws
-// an exception with the given type and properties.
-//
-// Examples:
-//
-//   EXPECT_THAT(
-//       []() { throw std::runtime_error("message"); },
-//       Throws<std::runtime_error>());
-//
-//   EXPECT_THAT(
-//       []() { throw std::runtime_error("message"); },
-//       ThrowsMessage<std::runtime_error>(HasSubstr("message")));
-//
-//   EXPECT_THAT(
-//       []() { throw std::runtime_error("message"); },
-//       Throws<std::runtime_error>(
-//           Property(&std::runtime_error::what, HasSubstr("message"))));
-
-template <typename Err>
-PolymorphicMatcher<internal::ExceptionMatcherImpl<Err>> Throws() {
-  return MakePolymorphicMatcher(
-      internal::ExceptionMatcherImpl<Err>(A<const Err&>()));
-}
-
-template <typename Err, typename ExceptionMatcher>
-PolymorphicMatcher<internal::ExceptionMatcherImpl<Err>> Throws(
-    const ExceptionMatcher& exception_matcher) {
-  // Using matcher cast allows users to pass a matcher of a more broad type.
-  // For example user may want to pass Matcher<std::exception>
-  // to Throws<std::runtime_error>, or Matcher<int64> to Throws<int32>.
-  return MakePolymorphicMatcher(internal::ExceptionMatcherImpl<Err>(
-      SafeMatcherCast<const Err&>(exception_matcher)));
-}
-
-template <typename Err, typename MessageMatcher>
-PolymorphicMatcher<internal::ExceptionMatcherImpl<Err>> ThrowsMessage(
-    MessageMatcher&& message_matcher) {
-  static_assert(std::is_base_of<std::exception, Err>::value,
-                "expected an std::exception-derived type");
-  return Throws<Err>(internal::WithWhat(
-      MatcherCast<std::string>(std::forward<MessageMatcher>(message_matcher))));
-}
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-// These macros allow using matchers to check values in Google Test
-// tests.  ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher)
-// succeed if and only if the value matches the matcher.  If the assertion
-// fails, the value and the description of the matcher will be printed.
-#define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\
-    ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value)
-#define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\
-    ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value)
-
-// MATCHER* macroses itself are listed below.
-#define MATCHER(name, description)                                             \
-  class name##Matcher                                                          \
-      : public ::testing::internal::MatcherBaseImpl<name##Matcher> {           \
-   public:                                                                     \
-    template <typename arg_type>                                               \
-    class gmock_Impl : public ::testing::MatcherInterface<const arg_type&> {   \
-     public:                                                                   \
-      gmock_Impl() {}                                                          \
-      bool MatchAndExplain(                                                    \
-          const arg_type& arg,                                                 \
-          ::testing::MatchResultListener* result_listener) const override;     \
-      void DescribeTo(::std::ostream* gmock_os) const override {               \
-        *gmock_os << FormatDescription(false);                                 \
-      }                                                                        \
-      void DescribeNegationTo(::std::ostream* gmock_os) const override {       \
-        *gmock_os << FormatDescription(true);                                  \
-      }                                                                        \
-                                                                               \
-     private:                                                                  \
-      ::std::string FormatDescription(bool negation) const {                   \
-        ::std::string gmock_description = (description);                       \
-        if (!gmock_description.empty()) {                                      \
-          return gmock_description;                                            \
-        }                                                                      \
-        return ::testing::internal::FormatMatcherDescription(negation, #name,  \
-                                                             {});              \
-      }                                                                        \
-    };                                                                         \
-  };                                                                           \
-  GTEST_ATTRIBUTE_UNUSED_ inline name##Matcher name() { return {}; }           \
-  template <typename arg_type>                                                 \
-  bool name##Matcher::gmock_Impl<arg_type>::MatchAndExplain(                   \
-      const arg_type& arg,                                                     \
-      ::testing::MatchResultListener* result_listener GTEST_ATTRIBUTE_UNUSED_) \
-      const
-
-#define MATCHER_P(name, p0, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP, description, (p0))
-#define MATCHER_P2(name, p0, p1, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP2, description, (p0, p1))
-#define MATCHER_P3(name, p0, p1, p2, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP3, description, (p0, p1, p2))
-#define MATCHER_P4(name, p0, p1, p2, p3, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP4, description, (p0, p1, p2, p3))
-#define MATCHER_P5(name, p0, p1, p2, p3, p4, description)    \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP5, description, \
-                         (p0, p1, p2, p3, p4))
-#define MATCHER_P6(name, p0, p1, p2, p3, p4, p5, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP6, description,  \
-                         (p0, p1, p2, p3, p4, p5))
-#define MATCHER_P7(name, p0, p1, p2, p3, p4, p5, p6, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP7, description,      \
-                         (p0, p1, p2, p3, p4, p5, p6))
-#define MATCHER_P8(name, p0, p1, p2, p3, p4, p5, p6, p7, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP8, description,          \
-                         (p0, p1, p2, p3, p4, p5, p6, p7))
-#define MATCHER_P9(name, p0, p1, p2, p3, p4, p5, p6, p7, p8, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP9, description,              \
-                         (p0, p1, p2, p3, p4, p5, p6, p7, p8))
-#define MATCHER_P10(name, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, description) \
-  GMOCK_INTERNAL_MATCHER(name, name##MatcherP10, description,                  \
-                         (p0, p1, p2, p3, p4, p5, p6, p7, p8, p9))
-
-#define GMOCK_INTERNAL_MATCHER(name, full_name, description, args)             \
-  template <GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAMS(args)>                      \
-  class full_name : public ::testing::internal::MatcherBaseImpl<               \
-                        full_name<GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args)>> { \
-   public:                                                                     \
-    using full_name::MatcherBaseImpl::MatcherBaseImpl;                         \
-    template <typename arg_type>                                               \
-    class gmock_Impl : public ::testing::MatcherInterface<const arg_type&> {   \
-     public:                                                                   \
-      explicit gmock_Impl(GMOCK_INTERNAL_MATCHER_FUNCTION_ARGS(args))          \
-          : GMOCK_INTERNAL_MATCHER_FORWARD_ARGS(args) {}                       \
-      bool MatchAndExplain(                                                    \
-          const arg_type& arg,                                                 \
-          ::testing::MatchResultListener* result_listener) const override;     \
-      void DescribeTo(::std::ostream* gmock_os) const override {               \
-        *gmock_os << FormatDescription(false);                                 \
-      }                                                                        \
-      void DescribeNegationTo(::std::ostream* gmock_os) const override {       \
-        *gmock_os << FormatDescription(true);                                  \
-      }                                                                        \
-      GMOCK_INTERNAL_MATCHER_MEMBERS(args)                                     \
-                                                                               \
-     private:                                                                  \
-      ::std::string FormatDescription(bool negation) const {                   \
-        ::std::string gmock_description = (description);                       \
-        if (!gmock_description.empty()) {                                      \
-          return gmock_description;                                            \
-        }                                                                      \
-        return ::testing::internal::FormatMatcherDescription(                  \
-            negation, #name,                                                   \
-            ::testing::internal::UniversalTersePrintTupleFieldsToStrings(      \
-                ::std::tuple<GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args)>(        \
-                    GMOCK_INTERNAL_MATCHER_MEMBERS_USAGE(args))));             \
-      }                                                                        \
-    };                                                                         \
-  };                                                                           \
-  template <GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAMS(args)>                      \
-  inline full_name<GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args)> name(             \
-      GMOCK_INTERNAL_MATCHER_FUNCTION_ARGS(args)) {                            \
-    return full_name<GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args)>(                \
-        GMOCK_INTERNAL_MATCHER_ARGS_USAGE(args));                              \
-  }                                                                            \
-  template <GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAMS(args)>                      \
-  template <typename arg_type>                                                 \
-  bool full_name<GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args)>::gmock_Impl<        \
-      arg_type>::MatchAndExplain(const arg_type& arg,                          \
-                                 ::testing::MatchResultListener*               \
-                                     result_listener GTEST_ATTRIBUTE_UNUSED_)  \
-      const
-
-#define GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAMS(args) \
-  GMOCK_PP_TAIL(                                     \
-      GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAM, , args))
-#define GMOCK_INTERNAL_MATCHER_TEMPLATE_PARAM(i_unused, data_unused, arg) \
-  , typename arg##_type
-
-#define GMOCK_INTERNAL_MATCHER_TYPE_PARAMS(args) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_TYPE_PARAM, , args))
-#define GMOCK_INTERNAL_MATCHER_TYPE_PARAM(i_unused, data_unused, arg) \
-  , arg##_type
-
-#define GMOCK_INTERNAL_MATCHER_FUNCTION_ARGS(args) \
-  GMOCK_PP_TAIL(dummy_first GMOCK_PP_FOR_EACH(     \
-      GMOCK_INTERNAL_MATCHER_FUNCTION_ARG, , args))
-#define GMOCK_INTERNAL_MATCHER_FUNCTION_ARG(i, data_unused, arg) \
-  , arg##_type gmock_p##i
-
-#define GMOCK_INTERNAL_MATCHER_FORWARD_ARGS(args) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_FORWARD_ARG, , args))
-#define GMOCK_INTERNAL_MATCHER_FORWARD_ARG(i, data_unused, arg) \
-  , arg(::std::forward<arg##_type>(gmock_p##i))
-
-#define GMOCK_INTERNAL_MATCHER_MEMBERS(args) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_MEMBER, , args)
-#define GMOCK_INTERNAL_MATCHER_MEMBER(i_unused, data_unused, arg) \
-  const arg##_type arg;
-
-#define GMOCK_INTERNAL_MATCHER_MEMBERS_USAGE(args) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_MEMBER_USAGE, , args))
-#define GMOCK_INTERNAL_MATCHER_MEMBER_USAGE(i_unused, data_unused, arg) , arg
-
-#define GMOCK_INTERNAL_MATCHER_ARGS_USAGE(args) \
-  GMOCK_PP_TAIL(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_MATCHER_ARG_USAGE, , args))
-#define GMOCK_INTERNAL_MATCHER_ARG_USAGE(i, data_unused, arg_unused) \
-  , gmock_p##i
-
-// To prevent ADL on certain functions we put them on a separate namespace.
-using namespace no_adl;  // NOLINT
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251 5046
-
-// Include any custom callback matchers added by the local installation.
-// We must include this header at the end to make sure it can use the
-// declarations from this file.
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Injection point for custom user configurations. See README for details
-//
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_
-
-#if GTEST_HAS_EXCEPTIONS
-# include <stdexcept>  // NOLINT
-#endif
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// An abstract handle of an expectation.
-class Expectation;
-
-// A set of expectation handles.
-class ExpectationSet;
-
-// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION
-// and MUST NOT BE USED IN USER CODE!!!
-namespace internal {
-
-// Implements a mock function.
-template <typename F> class FunctionMocker;
-
-// Base class for expectations.
-class ExpectationBase;
-
-// Implements an expectation.
-template <typename F> class TypedExpectation;
-
-// Helper class for testing the Expectation class template.
-class ExpectationTester;
-
-// Helper classes for implementing NiceMock, StrictMock, and NaggyMock.
-template <typename MockClass>
-class NiceMockImpl;
-template <typename MockClass>
-class StrictMockImpl;
-template <typename MockClass>
-class NaggyMockImpl;
-
-// Protects the mock object registry (in class Mock), all function
-// mockers, and all expectations.
-//
-// The reason we don't use more fine-grained protection is: when a
-// mock function Foo() is called, it needs to consult its expectations
-// to see which one should be picked.  If another thread is allowed to
-// call a mock function (either Foo() or a different one) at the same
-// time, it could affect the "retired" attributes of Foo()'s
-// expectations when InSequence() is used, and thus affect which
-// expectation gets picked.  Therefore, we sequence all mock function
-// calls to ensure the integrity of the mock objects' states.
-GTEST_API_ GTEST_DECLARE_STATIC_MUTEX_(g_gmock_mutex);
-
-// Untyped base class for ActionResultHolder<R>.
-class UntypedActionResultHolderBase;
-
-// Abstract base class of FunctionMocker.  This is the
-// type-agnostic part of the function mocker interface.  Its pure
-// virtual methods are implemented by FunctionMocker.
-class GTEST_API_ UntypedFunctionMockerBase {
- public:
-  UntypedFunctionMockerBase();
-  virtual ~UntypedFunctionMockerBase();
-
-  // Verifies that all expectations on this mock function have been
-  // satisfied.  Reports one or more Google Test non-fatal failures
-  // and returns false if not.
-  bool VerifyAndClearExpectationsLocked()
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex);
-
-  // Clears the ON_CALL()s set on this mock function.
-  virtual void ClearDefaultActionsLocked()
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) = 0;
-
-  // In all of the following Untyped* functions, it's the caller's
-  // responsibility to guarantee the correctness of the arguments'
-  // types.
-
-  // Performs the default action with the given arguments and returns
-  // the action's result.  The call description string will be used in
-  // the error message to describe the call in the case the default
-  // action fails.
-  // L = *
-  virtual UntypedActionResultHolderBase* UntypedPerformDefaultAction(
-      void* untyped_args, const std::string& call_description) const = 0;
-
-  // Performs the given action with the given arguments and returns
-  // the action's result.
-  // L = *
-  virtual UntypedActionResultHolderBase* UntypedPerformAction(
-      const void* untyped_action, void* untyped_args) const = 0;
-
-  // Writes a message that the call is uninteresting (i.e. neither
-  // explicitly expected nor explicitly unexpected) to the given
-  // ostream.
-  virtual void UntypedDescribeUninterestingCall(
-      const void* untyped_args,
-      ::std::ostream* os) const
-          GTEST_LOCK_EXCLUDED_(g_gmock_mutex) = 0;
-
-  // Returns the expectation that matches the given function arguments
-  // (or NULL is there's no match); when a match is found,
-  // untyped_action is set to point to the action that should be
-  // performed (or NULL if the action is "do default"), and
-  // is_excessive is modified to indicate whether the call exceeds the
-  // expected number.
-  virtual const ExpectationBase* UntypedFindMatchingExpectation(
-      const void* untyped_args,
-      const void** untyped_action, bool* is_excessive,
-      ::std::ostream* what, ::std::ostream* why)
-          GTEST_LOCK_EXCLUDED_(g_gmock_mutex) = 0;
-
-  // Prints the given function arguments to the ostream.
-  virtual void UntypedPrintArgs(const void* untyped_args,
-                                ::std::ostream* os) const = 0;
-
-  // Sets the mock object this mock method belongs to, and registers
-  // this information in the global mock registry.  Will be called
-  // whenever an EXPECT_CALL() or ON_CALL() is executed on this mock
-  // method.
-  void RegisterOwner(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex);
-
-  // Sets the mock object this mock method belongs to, and sets the
-  // name of the mock function.  Will be called upon each invocation
-  // of this mock function.
-  void SetOwnerAndName(const void* mock_obj, const char* name)
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex);
-
-  // Returns the mock object this mock method belongs to.  Must be
-  // called after RegisterOwner() or SetOwnerAndName() has been
-  // called.
-  const void* MockObject() const
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex);
-
-  // Returns the name of this mock method.  Must be called after
-  // SetOwnerAndName() has been called.
-  const char* Name() const
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex);
-
-  // Returns the result of invoking this mock function with the given
-  // arguments.  This function can be safely called from multiple
-  // threads concurrently.  The caller is responsible for deleting the
-  // result.
-  UntypedActionResultHolderBase* UntypedInvokeWith(void* untyped_args)
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex);
-
- protected:
-  typedef std::vector<const void*> UntypedOnCallSpecs;
-
-  using UntypedExpectations = std::vector<std::shared_ptr<ExpectationBase>>;
-
-  // Returns an Expectation object that references and co-owns exp,
-  // which must be an expectation on this mock function.
-  Expectation GetHandleOf(ExpectationBase* exp);
-
-  // Address of the mock object this mock method belongs to.  Only
-  // valid after this mock method has been called or
-  // ON_CALL/EXPECT_CALL has been invoked on it.
-  const void* mock_obj_;  // Protected by g_gmock_mutex.
-
-  // Name of the function being mocked.  Only valid after this mock
-  // method has been called.
-  const char* name_;  // Protected by g_gmock_mutex.
-
-  // All default action specs for this function mocker.
-  UntypedOnCallSpecs untyped_on_call_specs_;
-
-  // All expectations for this function mocker.
-  //
-  // It's undefined behavior to interleave expectations (EXPECT_CALLs
-  // or ON_CALLs) and mock function calls.  Also, the order of
-  // expectations is important.  Therefore it's a logic race condition
-  // to read/write untyped_expectations_ concurrently.  In order for
-  // tools like tsan to catch concurrent read/write accesses to
-  // untyped_expectations, we deliberately leave accesses to it
-  // unprotected.
-  UntypedExpectations untyped_expectations_;
-};  // class UntypedFunctionMockerBase
-
-// Untyped base class for OnCallSpec<F>.
-class UntypedOnCallSpecBase {
- public:
-  // The arguments are the location of the ON_CALL() statement.
-  UntypedOnCallSpecBase(const char* a_file, int a_line)
-      : file_(a_file), line_(a_line), last_clause_(kNone) {}
-
-  // Where in the source file was the default action spec defined?
-  const char* file() const { return file_; }
-  int line() const { return line_; }
-
- protected:
-  // Gives each clause in the ON_CALL() statement a name.
-  enum Clause {
-    // Do not change the order of the enum members!  The run-time
-    // syntax checking relies on it.
-    kNone,
-    kWith,
-    kWillByDefault
-  };
-
-  // Asserts that the ON_CALL() statement has a certain property.
-  void AssertSpecProperty(bool property,
-                          const std::string& failure_message) const {
-    Assert(property, file_, line_, failure_message);
-  }
-
-  // Expects that the ON_CALL() statement has a certain property.
-  void ExpectSpecProperty(bool property,
-                          const std::string& failure_message) const {
-    Expect(property, file_, line_, failure_message);
-  }
-
-  const char* file_;
-  int line_;
-
-  // The last clause in the ON_CALL() statement as seen so far.
-  // Initially kNone and changes as the statement is parsed.
-  Clause last_clause_;
-};  // class UntypedOnCallSpecBase
-
-// This template class implements an ON_CALL spec.
-template <typename F>
-class OnCallSpec : public UntypedOnCallSpecBase {
- public:
-  typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-  typedef typename Function<F>::ArgumentMatcherTuple ArgumentMatcherTuple;
-
-  // Constructs an OnCallSpec object from the information inside
-  // the parenthesis of an ON_CALL() statement.
-  OnCallSpec(const char* a_file, int a_line,
-             const ArgumentMatcherTuple& matchers)
-      : UntypedOnCallSpecBase(a_file, a_line),
-        matchers_(matchers),
-        // By default, extra_matcher_ should match anything.  However,
-        // we cannot initialize it with _ as that causes ambiguity between
-        // Matcher's copy and move constructor for some argument types.
-        extra_matcher_(A<const ArgumentTuple&>()) {}
-
-  // Implements the .With() clause.
-  OnCallSpec& With(const Matcher<const ArgumentTuple&>& m) {
-    // Makes sure this is called at most once.
-    ExpectSpecProperty(last_clause_ < kWith,
-                       ".With() cannot appear "
-                       "more than once in an ON_CALL().");
-    last_clause_ = kWith;
-
-    extra_matcher_ = m;
-    return *this;
-  }
-
-  // Implements the .WillByDefault() clause.
-  OnCallSpec& WillByDefault(const Action<F>& action) {
-    ExpectSpecProperty(last_clause_ < kWillByDefault,
-                       ".WillByDefault() must appear "
-                       "exactly once in an ON_CALL().");
-    last_clause_ = kWillByDefault;
-
-    ExpectSpecProperty(!action.IsDoDefault(),
-                       "DoDefault() cannot be used in ON_CALL().");
-    action_ = action;
-    return *this;
-  }
-
-  // Returns true if and only if the given arguments match the matchers.
-  bool Matches(const ArgumentTuple& args) const {
-    return TupleMatches(matchers_, args) && extra_matcher_.Matches(args);
-  }
-
-  // Returns the action specified by the user.
-  const Action<F>& GetAction() const {
-    AssertSpecProperty(last_clause_ == kWillByDefault,
-                       ".WillByDefault() must appear exactly "
-                       "once in an ON_CALL().");
-    return action_;
-  }
-
- private:
-  // The information in statement
-  //
-  //   ON_CALL(mock_object, Method(matchers))
-  //       .With(multi-argument-matcher)
-  //       .WillByDefault(action);
-  //
-  // is recorded in the data members like this:
-  //
-  //   source file that contains the statement => file_
-  //   line number of the statement            => line_
-  //   matchers                                => matchers_
-  //   multi-argument-matcher                  => extra_matcher_
-  //   action                                  => action_
-  ArgumentMatcherTuple matchers_;
-  Matcher<const ArgumentTuple&> extra_matcher_;
-  Action<F> action_;
-};  // class OnCallSpec
-
-// Possible reactions on uninteresting calls.
-enum CallReaction {
-  kAllow,
-  kWarn,
-  kFail,
-};
-
-}  // namespace internal
-
-// Utilities for manipulating mock objects.
-class GTEST_API_ Mock {
- public:
-  // The following public methods can be called concurrently.
-
-  // Tells Google Mock to ignore mock_obj when checking for leaked
-  // mock objects.
-  static void AllowLeak(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Verifies and clears all expectations on the given mock object.
-  // If the expectations aren't satisfied, generates one or more
-  // Google Test non-fatal failures and returns false.
-  static bool VerifyAndClearExpectations(void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Verifies all expectations on the given mock object and clears its
-  // default actions and expectations.  Returns true if and only if the
-  // verification was successful.
-  static bool VerifyAndClear(void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Returns whether the mock was created as a naggy mock (default)
-  static bool IsNaggy(void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-  // Returns whether the mock was created as a nice mock
-  static bool IsNice(void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-  // Returns whether the mock was created as a strict mock
-  static bool IsStrict(void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
- private:
-  friend class internal::UntypedFunctionMockerBase;
-
-  // Needed for a function mocker to register itself (so that we know
-  // how to clear a mock object).
-  template <typename F>
-  friend class internal::FunctionMocker;
-
-  template <typename MockClass>
-  friend class internal::NiceMockImpl;
-  template <typename MockClass>
-  friend class internal::NaggyMockImpl;
-  template <typename MockClass>
-  friend class internal::StrictMockImpl;
-
-  // Tells Google Mock to allow uninteresting calls on the given mock
-  // object.
-  static void AllowUninterestingCalls(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Tells Google Mock to warn the user about uninteresting calls on
-  // the given mock object.
-  static void WarnUninterestingCalls(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Tells Google Mock to fail uninteresting calls on the given mock
-  // object.
-  static void FailUninterestingCalls(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Tells Google Mock the given mock object is being destroyed and
-  // its entry in the call-reaction table should be removed.
-  static void UnregisterCallReaction(const void* mock_obj)
-      GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Returns the reaction Google Mock will have on uninteresting calls
-  // made on the given mock object.
-  static internal::CallReaction GetReactionOnUninterestingCalls(
-      const void* mock_obj)
-          GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Verifies that all expectations on the given mock object have been
-  // satisfied.  Reports one or more Google Test non-fatal failures
-  // and returns false if not.
-  static bool VerifyAndClearExpectationsLocked(void* mock_obj)
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex);
-
-  // Clears all ON_CALL()s set on the given mock object.
-  static void ClearDefaultActionsLocked(void* mock_obj)
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex);
-
-  // Registers a mock object and a mock method it owns.
-  static void Register(
-      const void* mock_obj,
-      internal::UntypedFunctionMockerBase* mocker)
-          GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Tells Google Mock where in the source code mock_obj is used in an
-  // ON_CALL or EXPECT_CALL.  In case mock_obj is leaked, this
-  // information helps the user identify which object it is.
-  static void RegisterUseByOnCallOrExpectCall(
-      const void* mock_obj, const char* file, int line)
-          GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex);
-
-  // Unregisters a mock method; removes the owning mock object from
-  // the registry when the last mock method associated with it has
-  // been unregistered.  This is called only in the destructor of
-  // FunctionMocker.
-  static void UnregisterLocked(internal::UntypedFunctionMockerBase* mocker)
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex);
-};  // class Mock
-
-// An abstract handle of an expectation.  Useful in the .After()
-// clause of EXPECT_CALL() for setting the (partial) order of
-// expectations.  The syntax:
-//
-//   Expectation e1 = EXPECT_CALL(...)...;
-//   EXPECT_CALL(...).After(e1)...;
-//
-// sets two expectations where the latter can only be matched after
-// the former has been satisfied.
-//
-// Notes:
-//   - This class is copyable and has value semantics.
-//   - Constness is shallow: a const Expectation object itself cannot
-//     be modified, but the mutable methods of the ExpectationBase
-//     object it references can be called via expectation_base().
-
-class GTEST_API_ Expectation {
- public:
-  // Constructs a null object that doesn't reference any expectation.
-  Expectation();
-  Expectation(Expectation&&) = default;
-  Expectation(const Expectation&) = default;
-  Expectation& operator=(Expectation&&) = default;
-  Expectation& operator=(const Expectation&) = default;
-  ~Expectation();
-
-  // This single-argument ctor must not be explicit, in order to support the
-  //   Expectation e = EXPECT_CALL(...);
-  // syntax.
-  //
-  // A TypedExpectation object stores its pre-requisites as
-  // Expectation objects, and needs to call the non-const Retire()
-  // method on the ExpectationBase objects they reference.  Therefore
-  // Expectation must receive a *non-const* reference to the
-  // ExpectationBase object.
-  Expectation(internal::ExpectationBase& exp);  // NOLINT
-
-  // The compiler-generated copy ctor and operator= work exactly as
-  // intended, so we don't need to define our own.
-
-  // Returns true if and only if rhs references the same expectation as this
-  // object does.
-  bool operator==(const Expectation& rhs) const {
-    return expectation_base_ == rhs.expectation_base_;
-  }
-
-  bool operator!=(const Expectation& rhs) const { return !(*this == rhs); }
-
- private:
-  friend class ExpectationSet;
-  friend class Sequence;
-  friend class ::testing::internal::ExpectationBase;
-  friend class ::testing::internal::UntypedFunctionMockerBase;
-
-  template <typename F>
-  friend class ::testing::internal::FunctionMocker;
-
-  template <typename F>
-  friend class ::testing::internal::TypedExpectation;
-
-  // This comparator is needed for putting Expectation objects into a set.
-  class Less {
-   public:
-    bool operator()(const Expectation& lhs, const Expectation& rhs) const {
-      return lhs.expectation_base_.get() < rhs.expectation_base_.get();
-    }
-  };
-
-  typedef ::std::set<Expectation, Less> Set;
-
-  Expectation(
-      const std::shared_ptr<internal::ExpectationBase>& expectation_base);
-
-  // Returns the expectation this object references.
-  const std::shared_ptr<internal::ExpectationBase>& expectation_base() const {
-    return expectation_base_;
-  }
-
-  // A shared_ptr that co-owns the expectation this handle references.
-  std::shared_ptr<internal::ExpectationBase> expectation_base_;
-};
-
-// A set of expectation handles.  Useful in the .After() clause of
-// EXPECT_CALL() for setting the (partial) order of expectations.  The
-// syntax:
-//
-//   ExpectationSet es;
-//   es += EXPECT_CALL(...)...;
-//   es += EXPECT_CALL(...)...;
-//   EXPECT_CALL(...).After(es)...;
-//
-// sets three expectations where the last one can only be matched
-// after the first two have both been satisfied.
-//
-// This class is copyable and has value semantics.
-class ExpectationSet {
- public:
-  // A bidirectional iterator that can read a const element in the set.
-  typedef Expectation::Set::const_iterator const_iterator;
-
-  // An object stored in the set.  This is an alias of Expectation.
-  typedef Expectation::Set::value_type value_type;
-
-  // Constructs an empty set.
-  ExpectationSet() {}
-
-  // This single-argument ctor must not be explicit, in order to support the
-  //   ExpectationSet es = EXPECT_CALL(...);
-  // syntax.
-  ExpectationSet(internal::ExpectationBase& exp) {  // NOLINT
-    *this += Expectation(exp);
-  }
-
-  // This single-argument ctor implements implicit conversion from
-  // Expectation and thus must not be explicit.  This allows either an
-  // Expectation or an ExpectationSet to be used in .After().
-  ExpectationSet(const Expectation& e) {  // NOLINT
-    *this += e;
-  }
-
-  // The compiler-generator ctor and operator= works exactly as
-  // intended, so we don't need to define our own.
-
-  // Returns true if and only if rhs contains the same set of Expectation
-  // objects as this does.
-  bool operator==(const ExpectationSet& rhs) const {
-    return expectations_ == rhs.expectations_;
-  }
-
-  bool operator!=(const ExpectationSet& rhs) const { return !(*this == rhs); }
-
-  // Implements the syntax
-  //   expectation_set += EXPECT_CALL(...);
-  ExpectationSet& operator+=(const Expectation& e) {
-    expectations_.insert(e);
-    return *this;
-  }
-
-  int size() const { return static_cast<int>(expectations_.size()); }
-
-  const_iterator begin() const { return expectations_.begin(); }
-  const_iterator end() const { return expectations_.end(); }
-
- private:
-  Expectation::Set expectations_;
-};
-
-
-// Sequence objects are used by a user to specify the relative order
-// in which the expectations should match.  They are copyable (we rely
-// on the compiler-defined copy constructor and assignment operator).
-class GTEST_API_ Sequence {
- public:
-  // Constructs an empty sequence.
-  Sequence() : last_expectation_(new Expectation) {}
-
-  // Adds an expectation to this sequence.  The caller must ensure
-  // that no other thread is accessing this Sequence object.
-  void AddExpectation(const Expectation& expectation) const;
-
- private:
-  // The last expectation in this sequence.
-  std::shared_ptr<Expectation> last_expectation_;
-};  // class Sequence
-
-// An object of this type causes all EXPECT_CALL() statements
-// encountered in its scope to be put in an anonymous sequence.  The
-// work is done in the constructor and destructor.  You should only
-// create an InSequence object on the stack.
-//
-// The sole purpose for this class is to support easy definition of
-// sequential expectations, e.g.
-//
-//   {
-//     InSequence dummy;  // The name of the object doesn't matter.
-//
-//     // The following expectations must match in the order they appear.
-//     EXPECT_CALL(a, Bar())...;
-//     EXPECT_CALL(a, Baz())...;
-//     ...
-//     EXPECT_CALL(b, Xyz())...;
-//   }
-//
-// You can create InSequence objects in multiple threads, as long as
-// they are used to affect different mock objects.  The idea is that
-// each thread can create and set up its own mocks as if it's the only
-// thread.  However, for clarity of your tests we recommend you to set
-// up mocks in the main thread unless you have a good reason not to do
-// so.
-class GTEST_API_ InSequence {
- public:
-  InSequence();
-  ~InSequence();
- private:
-  bool sequence_created_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(InSequence);  // NOLINT
-} GTEST_ATTRIBUTE_UNUSED_;
-
-namespace internal {
-
-// Points to the implicit sequence introduced by a living InSequence
-// object (if any) in the current thread or NULL.
-GTEST_API_ extern ThreadLocal<Sequence*> g_gmock_implicit_sequence;
-
-// Base class for implementing expectations.
-//
-// There are two reasons for having a type-agnostic base class for
-// Expectation:
-//
-//   1. We need to store collections of expectations of different
-//   types (e.g. all pre-requisites of a particular expectation, all
-//   expectations in a sequence).  Therefore these expectation objects
-//   must share a common base class.
-//
-//   2. We can avoid binary code bloat by moving methods not depending
-//   on the template argument of Expectation to the base class.
-//
-// This class is internal and mustn't be used by user code directly.
-class GTEST_API_ ExpectationBase {
- public:
-  // source_text is the EXPECT_CALL(...) source that created this Expectation.
-  ExpectationBase(const char* file, int line, const std::string& source_text);
-
-  virtual ~ExpectationBase();
-
-  // Where in the source file was the expectation spec defined?
-  const char* file() const { return file_; }
-  int line() const { return line_; }
-  const char* source_text() const { return source_text_.c_str(); }
-  // Returns the cardinality specified in the expectation spec.
-  const Cardinality& cardinality() const { return cardinality_; }
-
-  // Describes the source file location of this expectation.
-  void DescribeLocationTo(::std::ostream* os) const {
-    *os << FormatFileLocation(file(), line()) << " ";
-  }
-
-  // Describes how many times a function call matching this
-  // expectation has occurred.
-  void DescribeCallCountTo(::std::ostream* os) const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex);
-
-  // If this mock method has an extra matcher (i.e. .With(matcher)),
-  // describes it to the ostream.
-  virtual void MaybeDescribeExtraMatcherTo(::std::ostream* os) = 0;
-
- protected:
-  friend class ::testing::Expectation;
-  friend class UntypedFunctionMockerBase;
-
-  enum Clause {
-    // Don't change the order of the enum members!
-    kNone,
-    kWith,
-    kTimes,
-    kInSequence,
-    kAfter,
-    kWillOnce,
-    kWillRepeatedly,
-    kRetiresOnSaturation
-  };
-
-  typedef std::vector<const void*> UntypedActions;
-
-  // Returns an Expectation object that references and co-owns this
-  // expectation.
-  virtual Expectation GetHandle() = 0;
-
-  // Asserts that the EXPECT_CALL() statement has the given property.
-  void AssertSpecProperty(bool property,
-                          const std::string& failure_message) const {
-    Assert(property, file_, line_, failure_message);
-  }
-
-  // Expects that the EXPECT_CALL() statement has the given property.
-  void ExpectSpecProperty(bool property,
-                          const std::string& failure_message) const {
-    Expect(property, file_, line_, failure_message);
-  }
-
-  // Explicitly specifies the cardinality of this expectation.  Used
-  // by the subclasses to implement the .Times() clause.
-  void SpecifyCardinality(const Cardinality& cardinality);
-
-  // Returns true if and only if the user specified the cardinality
-  // explicitly using a .Times().
-  bool cardinality_specified() const { return cardinality_specified_; }
-
-  // Sets the cardinality of this expectation spec.
-  void set_cardinality(const Cardinality& a_cardinality) {
-    cardinality_ = a_cardinality;
-  }
-
-  // The following group of methods should only be called after the
-  // EXPECT_CALL() statement, and only when g_gmock_mutex is held by
-  // the current thread.
-
-  // Retires all pre-requisites of this expectation.
-  void RetireAllPreRequisites()
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex);
-
-  // Returns true if and only if this expectation is retired.
-  bool is_retired() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return retired_;
-  }
-
-  // Retires this expectation.
-  void Retire()
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    retired_ = true;
-  }
-
-  // Returns true if and only if this expectation is satisfied.
-  bool IsSatisfied() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return cardinality().IsSatisfiedByCallCount(call_count_);
-  }
-
-  // Returns true if and only if this expectation is saturated.
-  bool IsSaturated() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return cardinality().IsSaturatedByCallCount(call_count_);
-  }
-
-  // Returns true if and only if this expectation is over-saturated.
-  bool IsOverSaturated() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return cardinality().IsOverSaturatedByCallCount(call_count_);
-  }
-
-  // Returns true if and only if all pre-requisites of this expectation are
-  // satisfied.
-  bool AllPrerequisitesAreSatisfied() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex);
-
-  // Adds unsatisfied pre-requisites of this expectation to 'result'.
-  void FindUnsatisfiedPrerequisites(ExpectationSet* result) const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex);
-
-  // Returns the number this expectation has been invoked.
-  int call_count() const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return call_count_;
-  }
-
-  // Increments the number this expectation has been invoked.
-  void IncrementCallCount()
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    call_count_++;
-  }
-
-  // Checks the action count (i.e. the number of WillOnce() and
-  // WillRepeatedly() clauses) against the cardinality if this hasn't
-  // been done before.  Prints a warning if there are too many or too
-  // few actions.
-  void CheckActionCountIfNotDone() const
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  friend class ::testing::Sequence;
-  friend class ::testing::internal::ExpectationTester;
-
-  template <typename Function>
-  friend class TypedExpectation;
-
-  // Implements the .Times() clause.
-  void UntypedTimes(const Cardinality& a_cardinality);
-
-  // This group of fields are part of the spec and won't change after
-  // an EXPECT_CALL() statement finishes.
-  const char* file_;          // The file that contains the expectation.
-  int line_;                  // The line number of the expectation.
-  const std::string source_text_;  // The EXPECT_CALL(...) source text.
-  // True if and only if the cardinality is specified explicitly.
-  bool cardinality_specified_;
-  Cardinality cardinality_;            // The cardinality of the expectation.
-  // The immediate pre-requisites (i.e. expectations that must be
-  // satisfied before this expectation can be matched) of this
-  // expectation.  We use std::shared_ptr in the set because we want an
-  // Expectation object to be co-owned by its FunctionMocker and its
-  // successors.  This allows multiple mock objects to be deleted at
-  // different times.
-  ExpectationSet immediate_prerequisites_;
-
-  // This group of fields are the current state of the expectation,
-  // and can change as the mock function is called.
-  int call_count_;  // How many times this expectation has been invoked.
-  bool retired_;    // True if and only if this expectation has retired.
-  UntypedActions untyped_actions_;
-  bool extra_matcher_specified_;
-  bool repeated_action_specified_;  // True if a WillRepeatedly() was specified.
-  bool retires_on_saturation_;
-  Clause last_clause_;
-  mutable bool action_count_checked_;  // Under mutex_.
-  mutable Mutex mutex_;  // Protects action_count_checked_.
-};  // class ExpectationBase
-
-// Impements an expectation for the given function type.
-template <typename F>
-class TypedExpectation : public ExpectationBase {
- public:
-  typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-  typedef typename Function<F>::ArgumentMatcherTuple ArgumentMatcherTuple;
-  typedef typename Function<F>::Result Result;
-
-  TypedExpectation(FunctionMocker<F>* owner, const char* a_file, int a_line,
-                   const std::string& a_source_text,
-                   const ArgumentMatcherTuple& m)
-      : ExpectationBase(a_file, a_line, a_source_text),
-        owner_(owner),
-        matchers_(m),
-        // By default, extra_matcher_ should match anything.  However,
-        // we cannot initialize it with _ as that causes ambiguity between
-        // Matcher's copy and move constructor for some argument types.
-        extra_matcher_(A<const ArgumentTuple&>()),
-        repeated_action_(DoDefault()) {}
-
-  ~TypedExpectation() override {
-    // Check the validity of the action count if it hasn't been done
-    // yet (for example, if the expectation was never used).
-    CheckActionCountIfNotDone();
-    for (UntypedActions::const_iterator it = untyped_actions_.begin();
-         it != untyped_actions_.end(); ++it) {
-      delete static_cast<const Action<F>*>(*it);
-    }
-  }
-
-  // Implements the .With() clause.
-  TypedExpectation& With(const Matcher<const ArgumentTuple&>& m) {
-    if (last_clause_ == kWith) {
-      ExpectSpecProperty(false,
-                         ".With() cannot appear "
-                         "more than once in an EXPECT_CALL().");
-    } else {
-      ExpectSpecProperty(last_clause_ < kWith,
-                         ".With() must be the first "
-                         "clause in an EXPECT_CALL().");
-    }
-    last_clause_ = kWith;
-
-    extra_matcher_ = m;
-    extra_matcher_specified_ = true;
-    return *this;
-  }
-
-  // Implements the .Times() clause.
-  TypedExpectation& Times(const Cardinality& a_cardinality) {
-    ExpectationBase::UntypedTimes(a_cardinality);
-    return *this;
-  }
-
-  // Implements the .Times() clause.
-  TypedExpectation& Times(int n) {
-    return Times(Exactly(n));
-  }
-
-  // Implements the .InSequence() clause.
-  TypedExpectation& InSequence(const Sequence& s) {
-    ExpectSpecProperty(last_clause_ <= kInSequence,
-                       ".InSequence() cannot appear after .After(),"
-                       " .WillOnce(), .WillRepeatedly(), or "
-                       ".RetiresOnSaturation().");
-    last_clause_ = kInSequence;
-
-    s.AddExpectation(GetHandle());
-    return *this;
-  }
-  TypedExpectation& InSequence(const Sequence& s1, const Sequence& s2) {
-    return InSequence(s1).InSequence(s2);
-  }
-  TypedExpectation& InSequence(const Sequence& s1, const Sequence& s2,
-                               const Sequence& s3) {
-    return InSequence(s1, s2).InSequence(s3);
-  }
-  TypedExpectation& InSequence(const Sequence& s1, const Sequence& s2,
-                               const Sequence& s3, const Sequence& s4) {
-    return InSequence(s1, s2, s3).InSequence(s4);
-  }
-  TypedExpectation& InSequence(const Sequence& s1, const Sequence& s2,
-                               const Sequence& s3, const Sequence& s4,
-                               const Sequence& s5) {
-    return InSequence(s1, s2, s3, s4).InSequence(s5);
-  }
-
-  // Implements that .After() clause.
-  TypedExpectation& After(const ExpectationSet& s) {
-    ExpectSpecProperty(last_clause_ <= kAfter,
-                       ".After() cannot appear after .WillOnce(),"
-                       " .WillRepeatedly(), or "
-                       ".RetiresOnSaturation().");
-    last_clause_ = kAfter;
-
-    for (ExpectationSet::const_iterator it = s.begin(); it != s.end(); ++it) {
-      immediate_prerequisites_ += *it;
-    }
-    return *this;
-  }
-  TypedExpectation& After(const ExpectationSet& s1, const ExpectationSet& s2) {
-    return After(s1).After(s2);
-  }
-  TypedExpectation& After(const ExpectationSet& s1, const ExpectationSet& s2,
-                          const ExpectationSet& s3) {
-    return After(s1, s2).After(s3);
-  }
-  TypedExpectation& After(const ExpectationSet& s1, const ExpectationSet& s2,
-                          const ExpectationSet& s3, const ExpectationSet& s4) {
-    return After(s1, s2, s3).After(s4);
-  }
-  TypedExpectation& After(const ExpectationSet& s1, const ExpectationSet& s2,
-                          const ExpectationSet& s3, const ExpectationSet& s4,
-                          const ExpectationSet& s5) {
-    return After(s1, s2, s3, s4).After(s5);
-  }
-
-  // Implements the .WillOnce() clause.
-  TypedExpectation& WillOnce(const Action<F>& action) {
-    ExpectSpecProperty(last_clause_ <= kWillOnce,
-                       ".WillOnce() cannot appear after "
-                       ".WillRepeatedly() or .RetiresOnSaturation().");
-    last_clause_ = kWillOnce;
-
-    untyped_actions_.push_back(new Action<F>(action));
-    if (!cardinality_specified()) {
-      set_cardinality(Exactly(static_cast<int>(untyped_actions_.size())));
-    }
-    return *this;
-  }
-
-  // Implements the .WillRepeatedly() clause.
-  TypedExpectation& WillRepeatedly(const Action<F>& action) {
-    if (last_clause_ == kWillRepeatedly) {
-      ExpectSpecProperty(false,
-                         ".WillRepeatedly() cannot appear "
-                         "more than once in an EXPECT_CALL().");
-    } else {
-      ExpectSpecProperty(last_clause_ < kWillRepeatedly,
-                         ".WillRepeatedly() cannot appear "
-                         "after .RetiresOnSaturation().");
-    }
-    last_clause_ = kWillRepeatedly;
-    repeated_action_specified_ = true;
-
-    repeated_action_ = action;
-    if (!cardinality_specified()) {
-      set_cardinality(AtLeast(static_cast<int>(untyped_actions_.size())));
-    }
-
-    // Now that no more action clauses can be specified, we check
-    // whether their count makes sense.
-    CheckActionCountIfNotDone();
-    return *this;
-  }
-
-  // Implements the .RetiresOnSaturation() clause.
-  TypedExpectation& RetiresOnSaturation() {
-    ExpectSpecProperty(last_clause_ < kRetiresOnSaturation,
-                       ".RetiresOnSaturation() cannot appear "
-                       "more than once.");
-    last_clause_ = kRetiresOnSaturation;
-    retires_on_saturation_ = true;
-
-    // Now that no more action clauses can be specified, we check
-    // whether their count makes sense.
-    CheckActionCountIfNotDone();
-    return *this;
-  }
-
-  // Returns the matchers for the arguments as specified inside the
-  // EXPECT_CALL() macro.
-  const ArgumentMatcherTuple& matchers() const {
-    return matchers_;
-  }
-
-  // Returns the matcher specified by the .With() clause.
-  const Matcher<const ArgumentTuple&>& extra_matcher() const {
-    return extra_matcher_;
-  }
-
-  // Returns the action specified by the .WillRepeatedly() clause.
-  const Action<F>& repeated_action() const { return repeated_action_; }
-
-  // If this mock method has an extra matcher (i.e. .With(matcher)),
-  // describes it to the ostream.
-  void MaybeDescribeExtraMatcherTo(::std::ostream* os) override {
-    if (extra_matcher_specified_) {
-      *os << "    Expected args: ";
-      extra_matcher_.DescribeTo(os);
-      *os << "\n";
-    }
-  }
-
- private:
-  template <typename Function>
-  friend class FunctionMocker;
-
-  // Returns an Expectation object that references and co-owns this
-  // expectation.
-  Expectation GetHandle() override { return owner_->GetHandleOf(this); }
-
-  // The following methods will be called only after the EXPECT_CALL()
-  // statement finishes and when the current thread holds
-  // g_gmock_mutex.
-
-  // Returns true if and only if this expectation matches the given arguments.
-  bool Matches(const ArgumentTuple& args) const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    return TupleMatches(matchers_, args) && extra_matcher_.Matches(args);
-  }
-
-  // Returns true if and only if this expectation should handle the given
-  // arguments.
-  bool ShouldHandleArguments(const ArgumentTuple& args) const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-
-    // In case the action count wasn't checked when the expectation
-    // was defined (e.g. if this expectation has no WillRepeatedly()
-    // or RetiresOnSaturation() clause), we check it when the
-    // expectation is used for the first time.
-    CheckActionCountIfNotDone();
-    return !is_retired() && AllPrerequisitesAreSatisfied() && Matches(args);
-  }
-
-  // Describes the result of matching the arguments against this
-  // expectation to the given ostream.
-  void ExplainMatchResultTo(
-      const ArgumentTuple& args,
-      ::std::ostream* os) const
-          GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-
-    if (is_retired()) {
-      *os << "         Expected: the expectation is active\n"
-          << "           Actual: it is retired\n";
-    } else if (!Matches(args)) {
-      if (!TupleMatches(matchers_, args)) {
-        ExplainMatchFailureTupleTo(matchers_, args, os);
-      }
-      StringMatchResultListener listener;
-      if (!extra_matcher_.MatchAndExplain(args, &listener)) {
-        *os << "    Expected args: ";
-        extra_matcher_.DescribeTo(os);
-        *os << "\n           Actual: don't match";
-
-        internal::PrintIfNotEmpty(listener.str(), os);
-        *os << "\n";
-      }
-    } else if (!AllPrerequisitesAreSatisfied()) {
-      *os << "         Expected: all pre-requisites are satisfied\n"
-          << "           Actual: the following immediate pre-requisites "
-          << "are not satisfied:\n";
-      ExpectationSet unsatisfied_prereqs;
-      FindUnsatisfiedPrerequisites(&unsatisfied_prereqs);
-      int i = 0;
-      for (ExpectationSet::const_iterator it = unsatisfied_prereqs.begin();
-           it != unsatisfied_prereqs.end(); ++it) {
-        it->expectation_base()->DescribeLocationTo(os);
-        *os << "pre-requisite #" << i++ << "\n";
-      }
-      *os << "                   (end of pre-requisites)\n";
-    } else {
-      // This line is here just for completeness' sake.  It will never
-      // be executed as currently the ExplainMatchResultTo() function
-      // is called only when the mock function call does NOT match the
-      // expectation.
-      *os << "The call matches the expectation.\n";
-    }
-  }
-
-  // Returns the action that should be taken for the current invocation.
-  const Action<F>& GetCurrentAction(const FunctionMocker<F>* mocker,
-                                    const ArgumentTuple& args) const
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    const int count = call_count();
-    Assert(count >= 1, __FILE__, __LINE__,
-           "call_count() is <= 0 when GetCurrentAction() is "
-           "called - this should never happen.");
-
-    const int action_count = static_cast<int>(untyped_actions_.size());
-    if (action_count > 0 && !repeated_action_specified_ &&
-        count > action_count) {
-      // If there is at least one WillOnce() and no WillRepeatedly(),
-      // we warn the user when the WillOnce() clauses ran out.
-      ::std::stringstream ss;
-      DescribeLocationTo(&ss);
-      ss << "Actions ran out in " << source_text() << "...\n"
-         << "Called " << count << " times, but only "
-         << action_count << " WillOnce()"
-         << (action_count == 1 ? " is" : "s are") << " specified - ";
-      mocker->DescribeDefaultActionTo(args, &ss);
-      Log(kWarning, ss.str(), 1);
-    }
-
-    return count <= action_count
-               ? *static_cast<const Action<F>*>(
-                     untyped_actions_[static_cast<size_t>(count - 1)])
-               : repeated_action();
-  }
-
-  // Given the arguments of a mock function call, if the call will
-  // over-saturate this expectation, returns the default action;
-  // otherwise, returns the next action in this expectation.  Also
-  // describes *what* happened to 'what', and explains *why* Google
-  // Mock does it to 'why'.  This method is not const as it calls
-  // IncrementCallCount().  A return value of NULL means the default
-  // action.
-  const Action<F>* GetActionForArguments(const FunctionMocker<F>* mocker,
-                                         const ArgumentTuple& args,
-                                         ::std::ostream* what,
-                                         ::std::ostream* why)
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    if (IsSaturated()) {
-      // We have an excessive call.
-      IncrementCallCount();
-      *what << "Mock function called more times than expected - ";
-      mocker->DescribeDefaultActionTo(args, what);
-      DescribeCallCountTo(why);
-
-      return nullptr;
-    }
-
-    IncrementCallCount();
-    RetireAllPreRequisites();
-
-    if (retires_on_saturation_ && IsSaturated()) {
-      Retire();
-    }
-
-    // Must be done after IncrementCount()!
-    *what << "Mock function call matches " << source_text() <<"...\n";
-    return &(GetCurrentAction(mocker, args));
-  }
-
-  // All the fields below won't change once the EXPECT_CALL()
-  // statement finishes.
-  FunctionMocker<F>* const owner_;
-  ArgumentMatcherTuple matchers_;
-  Matcher<const ArgumentTuple&> extra_matcher_;
-  Action<F> repeated_action_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TypedExpectation);
-};  // class TypedExpectation
-
-// A MockSpec object is used by ON_CALL() or EXPECT_CALL() for
-// specifying the default behavior of, or expectation on, a mock
-// function.
-
-// Note: class MockSpec really belongs to the ::testing namespace.
-// However if we define it in ::testing, MSVC will complain when
-// classes in ::testing::internal declare it as a friend class
-// template.  To workaround this compiler bug, we define MockSpec in
-// ::testing::internal and import it into ::testing.
-
-// Logs a message including file and line number information.
-GTEST_API_ void LogWithLocation(testing::internal::LogSeverity severity,
-                                const char* file, int line,
-                                const std::string& message);
-
-template <typename F>
-class MockSpec {
- public:
-  typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
-  typedef typename internal::Function<F>::ArgumentMatcherTuple
-      ArgumentMatcherTuple;
-
-  // Constructs a MockSpec object, given the function mocker object
-  // that the spec is associated with.
-  MockSpec(internal::FunctionMocker<F>* function_mocker,
-           const ArgumentMatcherTuple& matchers)
-      : function_mocker_(function_mocker), matchers_(matchers) {}
-
-  // Adds a new default action spec to the function mocker and returns
-  // the newly created spec.
-  internal::OnCallSpec<F>& InternalDefaultActionSetAt(
-      const char* file, int line, const char* obj, const char* call) {
-    LogWithLocation(internal::kInfo, file, line,
-                    std::string("ON_CALL(") + obj + ", " + call + ") invoked");
-    return function_mocker_->AddNewOnCallSpec(file, line, matchers_);
-  }
-
-  // Adds a new expectation spec to the function mocker and returns
-  // the newly created spec.
-  internal::TypedExpectation<F>& InternalExpectedAt(
-      const char* file, int line, const char* obj, const char* call) {
-    const std::string source_text(std::string("EXPECT_CALL(") + obj + ", " +
-                                  call + ")");
-    LogWithLocation(internal::kInfo, file, line, source_text + " invoked");
-    return function_mocker_->AddNewExpectation(
-        file, line, source_text, matchers_);
-  }
-
-  // This operator overload is used to swallow the superfluous parameter list
-  // introduced by the ON/EXPECT_CALL macros. See the macro comments for more
-  // explanation.
-  MockSpec<F>& operator()(const internal::WithoutMatchers&, void* const) {
-    return *this;
-  }
-
- private:
-  template <typename Function>
-  friend class internal::FunctionMocker;
-
-  // The function mocker that owns this spec.
-  internal::FunctionMocker<F>* const function_mocker_;
-  // The argument matchers specified in the spec.
-  ArgumentMatcherTuple matchers_;
-};  // class MockSpec
-
-// Wrapper type for generically holding an ordinary value or lvalue reference.
-// If T is not a reference type, it must be copyable or movable.
-// ReferenceOrValueWrapper<T> is movable, and will also be copyable unless
-// T is a move-only value type (which means that it will always be copyable
-// if the current platform does not support move semantics).
-//
-// The primary template defines handling for values, but function header
-// comments describe the contract for the whole template (including
-// specializations).
-template <typename T>
-class ReferenceOrValueWrapper {
- public:
-  // Constructs a wrapper from the given value/reference.
-  explicit ReferenceOrValueWrapper(T value)
-      : value_(std::move(value)) {
-  }
-
-  // Unwraps and returns the underlying value/reference, exactly as
-  // originally passed. The behavior of calling this more than once on
-  // the same object is unspecified.
-  T Unwrap() { return std::move(value_); }
-
-  // Provides nondestructive access to the underlying value/reference.
-  // Always returns a const reference (more precisely,
-  // const std::add_lvalue_reference<T>::type). The behavior of calling this
-  // after calling Unwrap on the same object is unspecified.
-  const T& Peek() const {
-    return value_;
-  }
-
- private:
-  T value_;
-};
-
-// Specialization for lvalue reference types. See primary template
-// for documentation.
-template <typename T>
-class ReferenceOrValueWrapper<T&> {
- public:
-  // Workaround for debatable pass-by-reference lint warning (c-library-team
-  // policy precludes NOLINT in this context)
-  typedef T& reference;
-  explicit ReferenceOrValueWrapper(reference ref)
-      : value_ptr_(&ref) {}
-  T& Unwrap() { return *value_ptr_; }
-  const T& Peek() const { return *value_ptr_; }
-
- private:
-  T* value_ptr_;
-};
-
-// C++ treats the void type specially.  For example, you cannot define
-// a void-typed variable or pass a void value to a function.
-// ActionResultHolder<T> holds a value of type T, where T must be a
-// copyable type or void (T doesn't need to be default-constructable).
-// It hides the syntactic difference between void and other types, and
-// is used to unify the code for invoking both void-returning and
-// non-void-returning mock functions.
-
-// Untyped base class for ActionResultHolder<T>.
-class UntypedActionResultHolderBase {
- public:
-  virtual ~UntypedActionResultHolderBase() {}
-
-  // Prints the held value as an action's result to os.
-  virtual void PrintAsActionResult(::std::ostream* os) const = 0;
-};
-
-// This generic definition is used when T is not void.
-template <typename T>
-class ActionResultHolder : public UntypedActionResultHolderBase {
- public:
-  // Returns the held value. Must not be called more than once.
-  T Unwrap() {
-    return result_.Unwrap();
-  }
-
-  // Prints the held value as an action's result to os.
-  void PrintAsActionResult(::std::ostream* os) const override {
-    *os << "\n          Returns: ";
-    // T may be a reference type, so we don't use UniversalPrint().
-    UniversalPrinter<T>::Print(result_.Peek(), os);
-  }
-
-  // Performs the given mock function's default action and returns the
-  // result in a new-ed ActionResultHolder.
-  template <typename F>
-  static ActionResultHolder* PerformDefaultAction(
-      const FunctionMocker<F>* func_mocker,
-      typename Function<F>::ArgumentTuple&& args,
-      const std::string& call_description) {
-    return new ActionResultHolder(Wrapper(func_mocker->PerformDefaultAction(
-        std::move(args), call_description)));
-  }
-
-  // Performs the given action and returns the result in a new-ed
-  // ActionResultHolder.
-  template <typename F>
-  static ActionResultHolder* PerformAction(
-      const Action<F>& action, typename Function<F>::ArgumentTuple&& args) {
-    return new ActionResultHolder(
-        Wrapper(action.Perform(std::move(args))));
-  }
-
- private:
-  typedef ReferenceOrValueWrapper<T> Wrapper;
-
-  explicit ActionResultHolder(Wrapper result)
-      : result_(std::move(result)) {
-  }
-
-  Wrapper result_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ActionResultHolder);
-};
-
-// Specialization for T = void.
-template <>
-class ActionResultHolder<void> : public UntypedActionResultHolderBase {
- public:
-  void Unwrap() { }
-
-  void PrintAsActionResult(::std::ostream* /* os */) const override {}
-
-  // Performs the given mock function's default action and returns ownership
-  // of an empty ActionResultHolder*.
-  template <typename F>
-  static ActionResultHolder* PerformDefaultAction(
-      const FunctionMocker<F>* func_mocker,
-      typename Function<F>::ArgumentTuple&& args,
-      const std::string& call_description) {
-    func_mocker->PerformDefaultAction(std::move(args), call_description);
-    return new ActionResultHolder;
-  }
-
-  // Performs the given action and returns ownership of an empty
-  // ActionResultHolder*.
-  template <typename F>
-  static ActionResultHolder* PerformAction(
-      const Action<F>& action, typename Function<F>::ArgumentTuple&& args) {
-    action.Perform(std::move(args));
-    return new ActionResultHolder;
-  }
-
- private:
-  ActionResultHolder() {}
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ActionResultHolder);
-};
-
-template <typename F>
-class FunctionMocker;
-
-template <typename R, typename... Args>
-class FunctionMocker<R(Args...)> final : public UntypedFunctionMockerBase {
-  using F = R(Args...);
-
- public:
-  using Result = R;
-  using ArgumentTuple = std::tuple<Args...>;
-  using ArgumentMatcherTuple = std::tuple<Matcher<Args>...>;
-
-  FunctionMocker() {}
-
-  // There is no generally useful and implementable semantics of
-  // copying a mock object, so copying a mock is usually a user error.
-  // Thus we disallow copying function mockers.  If the user really
-  // wants to copy a mock object, they should implement their own copy
-  // operation, for example:
-  //
-  //   class MockFoo : public Foo {
-  //    public:
-  //     // Defines a copy constructor explicitly.
-  //     MockFoo(const MockFoo& src) {}
-  //     ...
-  //   };
-  FunctionMocker(const FunctionMocker&) = delete;
-  FunctionMocker& operator=(const FunctionMocker&) = delete;
-
-  // The destructor verifies that all expectations on this mock
-  // function have been satisfied.  If not, it will report Google Test
-  // non-fatal failures for the violations.
-  ~FunctionMocker() override GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    MutexLock l(&g_gmock_mutex);
-    VerifyAndClearExpectationsLocked();
-    Mock::UnregisterLocked(this);
-    ClearDefaultActionsLocked();
-  }
-
-  // Returns the ON_CALL spec that matches this mock function with the
-  // given arguments; returns NULL if no matching ON_CALL is found.
-  // L = *
-  const OnCallSpec<F>* FindOnCallSpec(
-      const ArgumentTuple& args) const {
-    for (UntypedOnCallSpecs::const_reverse_iterator it
-             = untyped_on_call_specs_.rbegin();
-         it != untyped_on_call_specs_.rend(); ++it) {
-      const OnCallSpec<F>* spec = static_cast<const OnCallSpec<F>*>(*it);
-      if (spec->Matches(args))
-        return spec;
-    }
-
-    return nullptr;
-  }
-
-  // Performs the default action of this mock function on the given
-  // arguments and returns the result. Asserts (or throws if
-  // exceptions are enabled) with a helpful call descrption if there
-  // is no valid return value. This method doesn't depend on the
-  // mutable state of this object, and thus can be called concurrently
-  // without locking.
-  // L = *
-  Result PerformDefaultAction(ArgumentTuple&& args,
-                              const std::string& call_description) const {
-    const OnCallSpec<F>* const spec =
-        this->FindOnCallSpec(args);
-    if (spec != nullptr) {
-      return spec->GetAction().Perform(std::move(args));
-    }
-    const std::string message =
-        call_description +
-        "\n    The mock function has no default action "
-        "set, and its return type has no default value set.";
-#if GTEST_HAS_EXCEPTIONS
-    if (!DefaultValue<Result>::Exists()) {
-      throw std::runtime_error(message);
-    }
-#else
-    Assert(DefaultValue<Result>::Exists(), "", -1, message);
-#endif
-    return DefaultValue<Result>::Get();
-  }
-
-  // Performs the default action with the given arguments and returns
-  // the action's result.  The call description string will be used in
-  // the error message to describe the call in the case the default
-  // action fails.  The caller is responsible for deleting the result.
-  // L = *
-  UntypedActionResultHolderBase* UntypedPerformDefaultAction(
-      void* untyped_args,  // must point to an ArgumentTuple
-      const std::string& call_description) const override {
-    ArgumentTuple* args = static_cast<ArgumentTuple*>(untyped_args);
-    return ResultHolder::PerformDefaultAction(this, std::move(*args),
-                                              call_description);
-  }
-
-  // Performs the given action with the given arguments and returns
-  // the action's result.  The caller is responsible for deleting the
-  // result.
-  // L = *
-  UntypedActionResultHolderBase* UntypedPerformAction(
-      const void* untyped_action, void* untyped_args) const override {
-    // Make a copy of the action before performing it, in case the
-    // action deletes the mock object (and thus deletes itself).
-    const Action<F> action = *static_cast<const Action<F>*>(untyped_action);
-    ArgumentTuple* args = static_cast<ArgumentTuple*>(untyped_args);
-    return ResultHolder::PerformAction(action, std::move(*args));
-  }
-
-  // Implements UntypedFunctionMockerBase::ClearDefaultActionsLocked():
-  // clears the ON_CALL()s set on this mock function.
-  void ClearDefaultActionsLocked() override
-      GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-
-    // Deleting our default actions may trigger other mock objects to be
-    // deleted, for example if an action contains a reference counted smart
-    // pointer to that mock object, and that is the last reference. So if we
-    // delete our actions within the context of the global mutex we may deadlock
-    // when this method is called again. Instead, make a copy of the set of
-    // actions to delete, clear our set within the mutex, and then delete the
-    // actions outside of the mutex.
-    UntypedOnCallSpecs specs_to_delete;
-    untyped_on_call_specs_.swap(specs_to_delete);
-
-    g_gmock_mutex.Unlock();
-    for (UntypedOnCallSpecs::const_iterator it =
-             specs_to_delete.begin();
-         it != specs_to_delete.end(); ++it) {
-      delete static_cast<const OnCallSpec<F>*>(*it);
-    }
-
-    // Lock the mutex again, since the caller expects it to be locked when we
-    // return.
-    g_gmock_mutex.Lock();
-  }
-
-  // Returns the result of invoking this mock function with the given
-  // arguments.  This function can be safely called from multiple
-  // threads concurrently.
-  Result Invoke(Args... args) GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    ArgumentTuple tuple(std::forward<Args>(args)...);
-    std::unique_ptr<ResultHolder> holder(DownCast_<ResultHolder*>(
-        this->UntypedInvokeWith(static_cast<void*>(&tuple))));
-    return holder->Unwrap();
-  }
-
-  MockSpec<F> With(Matcher<Args>... m) {
-    return MockSpec<F>(this, ::std::make_tuple(std::move(m)...));
-  }
-
- protected:
-  template <typename Function>
-  friend class MockSpec;
-
-  typedef ActionResultHolder<Result> ResultHolder;
-
-  // Adds and returns a default action spec for this mock function.
-  OnCallSpec<F>& AddNewOnCallSpec(
-      const char* file, int line,
-      const ArgumentMatcherTuple& m)
-          GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    Mock::RegisterUseByOnCallOrExpectCall(MockObject(), file, line);
-    OnCallSpec<F>* const on_call_spec = new OnCallSpec<F>(file, line, m);
-    untyped_on_call_specs_.push_back(on_call_spec);
-    return *on_call_spec;
-  }
-
-  // Adds and returns an expectation spec for this mock function.
-  TypedExpectation<F>& AddNewExpectation(const char* file, int line,
-                                         const std::string& source_text,
-                                         const ArgumentMatcherTuple& m)
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    Mock::RegisterUseByOnCallOrExpectCall(MockObject(), file, line);
-    TypedExpectation<F>* const expectation =
-        new TypedExpectation<F>(this, file, line, source_text, m);
-    const std::shared_ptr<ExpectationBase> untyped_expectation(expectation);
-    // See the definition of untyped_expectations_ for why access to
-    // it is unprotected here.
-    untyped_expectations_.push_back(untyped_expectation);
-
-    // Adds this expectation into the implicit sequence if there is one.
-    Sequence* const implicit_sequence = g_gmock_implicit_sequence.get();
-    if (implicit_sequence != nullptr) {
-      implicit_sequence->AddExpectation(Expectation(untyped_expectation));
-    }
-
-    return *expectation;
-  }
-
- private:
-  template <typename Func> friend class TypedExpectation;
-
-  // Some utilities needed for implementing UntypedInvokeWith().
-
-  // Describes what default action will be performed for the given
-  // arguments.
-  // L = *
-  void DescribeDefaultActionTo(const ArgumentTuple& args,
-                               ::std::ostream* os) const {
-    const OnCallSpec<F>* const spec = FindOnCallSpec(args);
-
-    if (spec == nullptr) {
-      *os << (std::is_void<Result>::value ? "returning directly.\n"
-                                          : "returning default value.\n");
-    } else {
-      *os << "taking default action specified at:\n"
-          << FormatFileLocation(spec->file(), spec->line()) << "\n";
-    }
-  }
-
-  // Writes a message that the call is uninteresting (i.e. neither
-  // explicitly expected nor explicitly unexpected) to the given
-  // ostream.
-  void UntypedDescribeUninterestingCall(const void* untyped_args,
-                                        ::std::ostream* os) const override
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    const ArgumentTuple& args =
-        *static_cast<const ArgumentTuple*>(untyped_args);
-    *os << "Uninteresting mock function call - ";
-    DescribeDefaultActionTo(args, os);
-    *os << "    Function call: " << Name();
-    UniversalPrint(args, os);
-  }
-
-  // Returns the expectation that matches the given function arguments
-  // (or NULL is there's no match); when a match is found,
-  // untyped_action is set to point to the action that should be
-  // performed (or NULL if the action is "do default"), and
-  // is_excessive is modified to indicate whether the call exceeds the
-  // expected number.
-  //
-  // Critical section: We must find the matching expectation and the
-  // corresponding action that needs to be taken in an ATOMIC
-  // transaction.  Otherwise another thread may call this mock
-  // method in the middle and mess up the state.
-  //
-  // However, performing the action has to be left out of the critical
-  // section.  The reason is that we have no control on what the
-  // action does (it can invoke an arbitrary user function or even a
-  // mock function) and excessive locking could cause a dead lock.
-  const ExpectationBase* UntypedFindMatchingExpectation(
-      const void* untyped_args, const void** untyped_action, bool* is_excessive,
-      ::std::ostream* what, ::std::ostream* why) override
-      GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
-    const ArgumentTuple& args =
-        *static_cast<const ArgumentTuple*>(untyped_args);
-    MutexLock l(&g_gmock_mutex);
-    TypedExpectation<F>* exp = this->FindMatchingExpectationLocked(args);
-    if (exp == nullptr) {  // A match wasn't found.
-      this->FormatUnexpectedCallMessageLocked(args, what, why);
-      return nullptr;
-    }
-
-    // This line must be done before calling GetActionForArguments(),
-    // which will increment the call count for *exp and thus affect
-    // its saturation status.
-    *is_excessive = exp->IsSaturated();
-    const Action<F>* action = exp->GetActionForArguments(this, args, what, why);
-    if (action != nullptr && action->IsDoDefault())
-      action = nullptr;  // Normalize "do default" to NULL.
-    *untyped_action = action;
-    return exp;
-  }
-
-  // Prints the given function arguments to the ostream.
-  void UntypedPrintArgs(const void* untyped_args,
-                        ::std::ostream* os) const override {
-    const ArgumentTuple& args =
-        *static_cast<const ArgumentTuple*>(untyped_args);
-    UniversalPrint(args, os);
-  }
-
-  // Returns the expectation that matches the arguments, or NULL if no
-  // expectation matches them.
-  TypedExpectation<F>* FindMatchingExpectationLocked(
-      const ArgumentTuple& args) const
-          GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    // See the definition of untyped_expectations_ for why access to
-    // it is unprotected here.
-    for (typename UntypedExpectations::const_reverse_iterator it =
-             untyped_expectations_.rbegin();
-         it != untyped_expectations_.rend(); ++it) {
-      TypedExpectation<F>* const exp =
-          static_cast<TypedExpectation<F>*>(it->get());
-      if (exp->ShouldHandleArguments(args)) {
-        return exp;
-      }
-    }
-    return nullptr;
-  }
-
-  // Returns a message that the arguments don't match any expectation.
-  void FormatUnexpectedCallMessageLocked(
-      const ArgumentTuple& args,
-      ::std::ostream* os,
-      ::std::ostream* why) const
-          GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    *os << "\nUnexpected mock function call - ";
-    DescribeDefaultActionTo(args, os);
-    PrintTriedExpectationsLocked(args, why);
-  }
-
-  // Prints a list of expectations that have been tried against the
-  // current mock function call.
-  void PrintTriedExpectationsLocked(
-      const ArgumentTuple& args,
-      ::std::ostream* why) const
-          GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
-    g_gmock_mutex.AssertHeld();
-    const size_t count = untyped_expectations_.size();
-    *why << "Google Mock tried the following " << count << " "
-         << (count == 1 ? "expectation, but it didn't match" :
-             "expectations, but none matched")
-         << ":\n";
-    for (size_t i = 0; i < count; i++) {
-      TypedExpectation<F>* const expectation =
-          static_cast<TypedExpectation<F>*>(untyped_expectations_[i].get());
-      *why << "\n";
-      expectation->DescribeLocationTo(why);
-      if (count > 1) {
-        *why << "tried expectation #" << i << ": ";
-      }
-      *why << expectation->source_text() << "...\n";
-      expectation->ExplainMatchResultTo(args, why);
-      expectation->DescribeCallCountTo(why);
-    }
-  }
-};  // class FunctionMocker
-
-// Reports an uninteresting call (whose description is in msg) in the
-// manner specified by 'reaction'.
-void ReportUninterestingCall(CallReaction reaction, const std::string& msg);
-
-}  // namespace internal
-
-namespace internal {
-
-template <typename F>
-class MockFunction;
-
-template <typename R, typename... Args>
-class MockFunction<R(Args...)> {
- public:
-  MockFunction(const MockFunction&) = delete;
-  MockFunction& operator=(const MockFunction&) = delete;
-
-  std::function<R(Args...)> AsStdFunction() {
-    return [this](Args... args) -> R {
-      return this->Call(std::forward<Args>(args)...);
-    };
-  }
-
-  // Implementation detail: the expansion of the MOCK_METHOD macro.
-  R Call(Args... args) {
-    mock_.SetOwnerAndName(this, "Call");
-    return mock_.Invoke(std::forward<Args>(args)...);
-  }
-
-  MockSpec<R(Args...)> gmock_Call(Matcher<Args>... m) {
-    mock_.RegisterOwner(this);
-    return mock_.With(std::move(m)...);
-  }
-
-  MockSpec<R(Args...)> gmock_Call(const WithoutMatchers&, R (*)(Args...)) {
-    return this->gmock_Call(::testing::A<Args>()...);
-  }
-
- protected:
-  MockFunction() = default;
-  ~MockFunction() = default;
-
- private:
-  FunctionMocker<R(Args...)> mock_;
-};
-
-/*
-The SignatureOf<F> struct is a meta-function returning function signature
-corresponding to the provided F argument.
-
-It makes use of MockFunction easier by allowing it to accept more F arguments
-than just function signatures.
-
-Specializations provided here cover only a signature type itself and
-std::function. However, if need be it can be easily extended to cover also other
-types (like for example boost::function).
-*/
-
-template <typename F>
-struct SignatureOf;
-
-template <typename R, typename... Args>
-struct SignatureOf<R(Args...)> {
-  using type = R(Args...);
-};
-
-template <typename F>
-struct SignatureOf<std::function<F>> : SignatureOf<F> {};
-
-template <typename F>
-using SignatureOfT = typename SignatureOf<F>::type;
-
-}  // namespace internal
-
-// A MockFunction<F> type has one mock method whose type is
-// internal::SignatureOfT<F>.  It is useful when you just want your
-// test code to emit some messages and have Google Mock verify the
-// right messages are sent (and perhaps at the right times).  For
-// example, if you are exercising code:
-//
-//   Foo(1);
-//   Foo(2);
-//   Foo(3);
-//
-// and want to verify that Foo(1) and Foo(3) both invoke
-// mock.Bar("a"), but Foo(2) doesn't invoke anything, you can write:
-//
-// TEST(FooTest, InvokesBarCorrectly) {
-//   MyMock mock;
-//   MockFunction<void(string check_point_name)> check;
-//   {
-//     InSequence s;
-//
-//     EXPECT_CALL(mock, Bar("a"));
-//     EXPECT_CALL(check, Call("1"));
-//     EXPECT_CALL(check, Call("2"));
-//     EXPECT_CALL(mock, Bar("a"));
-//   }
-//   Foo(1);
-//   check.Call("1");
-//   Foo(2);
-//   check.Call("2");
-//   Foo(3);
-// }
-//
-// The expectation spec says that the first Bar("a") must happen
-// before check point "1", the second Bar("a") must happen after check
-// point "2", and nothing should happen between the two check
-// points. The explicit check points make it easy to tell which
-// Bar("a") is called by which call to Foo().
-//
-// MockFunction<F> can also be used to exercise code that accepts
-// std::function<internal::SignatureOfT<F>> callbacks. To do so, use
-// AsStdFunction() method to create std::function proxy forwarding to
-// original object's Call. Example:
-//
-// TEST(FooTest, RunsCallbackWithBarArgument) {
-//   MockFunction<int(string)> callback;
-//   EXPECT_CALL(callback, Call("bar")).WillOnce(Return(1));
-//   Foo(callback.AsStdFunction());
-// }
-//
-// The internal::SignatureOfT<F> indirection allows to use other types
-// than just function signature type. This is typically useful when
-// providing a mock for a predefined std::function type. Example:
-//
-// using FilterPredicate = std::function<bool(string)>;
-// void MyFilterAlgorithm(FilterPredicate predicate);
-//
-// TEST(FooTest, FilterPredicateAlwaysAccepts) {
-//   MockFunction<FilterPredicate> predicateMock;
-//   EXPECT_CALL(predicateMock, Call(_)).WillRepeatedly(Return(true));
-//   MyFilterAlgorithm(predicateMock.AsStdFunction());
-// }
-template <typename F>
-class MockFunction : public internal::MockFunction<internal::SignatureOfT<F>> {
-  using Base = internal::MockFunction<internal::SignatureOfT<F>>;
-
- public:
-  using Base::Base;
-};
-
-// The style guide prohibits "using" statements in a namespace scope
-// inside a header file.  However, the MockSpec class template is
-// meant to be defined in the ::testing namespace.  The following line
-// is just a trick for working around a bug in MSVC 8.0, which cannot
-// handle it if we define MockSpec in ::testing.
-using internal::MockSpec;
-
-// Const(x) is a convenient function for obtaining a const reference
-// to x.  This is useful for setting expectations on an overloaded
-// const mock method, e.g.
-//
-//   class MockFoo : public FooInterface {
-//    public:
-//     MOCK_METHOD0(Bar, int());
-//     MOCK_CONST_METHOD0(Bar, int&());
-//   };
-//
-//   MockFoo foo;
-//   // Expects a call to non-const MockFoo::Bar().
-//   EXPECT_CALL(foo, Bar());
-//   // Expects a call to const MockFoo::Bar().
-//   EXPECT_CALL(Const(foo), Bar());
-template <typename T>
-inline const T& Const(const T& x) { return x; }
-
-// Constructs an Expectation object that references and co-owns exp.
-inline Expectation::Expectation(internal::ExpectationBase& exp)  // NOLINT
-    : expectation_base_(exp.GetHandle().expectation_base()) {}
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-// Implementation for ON_CALL and EXPECT_CALL macros. A separate macro is
-// required to avoid compile errors when the name of the method used in call is
-// a result of macro expansion. See CompilesWithMethodNameExpandedFromMacro
-// tests in internal/gmock-spec-builders_test.cc for more details.
-//
-// This macro supports statements both with and without parameter matchers. If
-// the parameter list is omitted, gMock will accept any parameters, which allows
-// tests to be written that don't need to encode the number of method
-// parameter. This technique may only be used for non-overloaded methods.
-//
-//   // These are the same:
-//   ON_CALL(mock, NoArgsMethod()).WillByDefault(...);
-//   ON_CALL(mock, NoArgsMethod).WillByDefault(...);
-//
-//   // As are these:
-//   ON_CALL(mock, TwoArgsMethod(_, _)).WillByDefault(...);
-//   ON_CALL(mock, TwoArgsMethod).WillByDefault(...);
-//
-//   // Can also specify args if you want, of course:
-//   ON_CALL(mock, TwoArgsMethod(_, 45)).WillByDefault(...);
-//
-//   // Overloads work as long as you specify parameters:
-//   ON_CALL(mock, OverloadedMethod(_)).WillByDefault(...);
-//   ON_CALL(mock, OverloadedMethod(_, _)).WillByDefault(...);
-//
-//   // Oops! Which overload did you want?
-//   ON_CALL(mock, OverloadedMethod).WillByDefault(...);
-//     => ERROR: call to member function 'gmock_OverloadedMethod' is ambiguous
-//
-// How this works: The mock class uses two overloads of the gmock_Method
-// expectation setter method plus an operator() overload on the MockSpec object.
-// In the matcher list form, the macro expands to:
-//
-//   // This statement:
-//   ON_CALL(mock, TwoArgsMethod(_, 45))...
-//
-//   // ...expands to:
-//   mock.gmock_TwoArgsMethod(_, 45)(WithoutMatchers(), nullptr)...
-//   |-------------v---------------||------------v-------------|
-//       invokes first overload        swallowed by operator()
-//
-//   // ...which is essentially:
-//   mock.gmock_TwoArgsMethod(_, 45)...
-//
-// Whereas the form without a matcher list:
-//
-//   // This statement:
-//   ON_CALL(mock, TwoArgsMethod)...
-//
-//   // ...expands to:
-//   mock.gmock_TwoArgsMethod(WithoutMatchers(), nullptr)...
-//   |-----------------------v--------------------------|
-//                 invokes second overload
-//
-//   // ...which is essentially:
-//   mock.gmock_TwoArgsMethod(_, _)...
-//
-// The WithoutMatchers() argument is used to disambiguate overloads and to
-// block the caller from accidentally invoking the second overload directly. The
-// second argument is an internal type derived from the method signature. The
-// failure to disambiguate two overloads of this method in the ON_CALL statement
-// is how we block callers from setting expectations on overloaded methods.
-#define GMOCK_ON_CALL_IMPL_(mock_expr, Setter, call)                    \
-  ((mock_expr).gmock_##call)(::testing::internal::GetWithoutMatchers(), \
-                             nullptr)                                   \
-      .Setter(__FILE__, __LINE__, #mock_expr, #call)
-
-#define ON_CALL(obj, call) \
-  GMOCK_ON_CALL_IMPL_(obj, InternalDefaultActionSetAt, call)
-
-#define EXPECT_CALL(obj, call) \
-  GMOCK_ON_CALL_IMPL_(obj, InternalExpectedAt, call)
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_
-
-namespace testing {
-namespace internal {
-template <typename T>
-using identity_t = T;
-
-template <typename Pattern>
-struct ThisRefAdjuster {
-  template <typename T>
-  using AdjustT = typename std::conditional<
-      std::is_const<typename std::remove_reference<Pattern>::type>::value,
-      typename std::conditional<std::is_lvalue_reference<Pattern>::value,
-                                const T&, const T&&>::type,
-      typename std::conditional<std::is_lvalue_reference<Pattern>::value, T&,
-                                T&&>::type>::type;
-
-  template <typename MockType>
-  static AdjustT<MockType> Adjust(const MockType& mock) {
-    return static_cast<AdjustT<MockType>>(const_cast<MockType&>(mock));
-  }
-};
-
-}  // namespace internal
-
-// The style guide prohibits "using" statements in a namespace scope
-// inside a header file.  However, the FunctionMocker class template
-// is meant to be defined in the ::testing namespace.  The following
-// line is just a trick for working around a bug in MSVC 8.0, which
-// cannot handle it if we define FunctionMocker in ::testing.
-using internal::FunctionMocker;
-}  // namespace testing
-
-#define MOCK_METHOD(...) \
-  GMOCK_PP_VARIADIC_CALL(GMOCK_INTERNAL_MOCK_METHOD_ARG_, __VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_1(...) \
-  GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_2(...) \
-  GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_3(_Ret, _MethodName, _Args) \
-  GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, ())
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec)     \
-  GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args);                                   \
-  GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec);                                   \
-  GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE(                                      \
-      GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args));           \
-  GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec)                                     \
-  GMOCK_INTERNAL_MOCK_METHOD_IMPL(                                            \
-      GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec),     \
-      GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec),    \
-      GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Spec),                                \
-      GMOCK_INTERNAL_GET_CALLTYPE(_Spec), GMOCK_INTERNAL_GET_REF_SPEC(_Spec), \
-      (GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)))
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_5(...) \
-  GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_6(...) \
-  GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_ARG_7(...) \
-  GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
-
-#define GMOCK_INTERNAL_WRONG_ARITY(...)                                      \
-  static_assert(                                                             \
-      false,                                                                 \
-      "MOCK_METHOD must be called with 3 or 4 arguments. _Ret, "             \
-      "_MethodName, _Args and optionally _Spec. _Args and _Spec must be "    \
-      "enclosed in parentheses. If _Ret is a type with unprotected commas, " \
-      "it must also be enclosed in parentheses.")
-
-#define GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Tuple) \
-  static_assert(                                  \
-      GMOCK_PP_IS_ENCLOSED_PARENS(_Tuple),        \
-      GMOCK_PP_STRINGIZE(_Tuple) " should be enclosed in parentheses.")
-
-#define GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE(_N, ...)                 \
-  static_assert(                                                       \
-      std::is_function<__VA_ARGS__>::value,                            \
-      "Signature must be a function type, maybe return type contains " \
-      "unprotected comma.");                                           \
-  static_assert(                                                       \
-      ::testing::tuple_size<typename ::testing::internal::Function<    \
-              __VA_ARGS__>::ArgumentTuple>::value == _N,               \
-      "This method does not take " GMOCK_PP_STRINGIZE(                 \
-          _N) " arguments. Parenthesize all types with unprotected commas.")
-
-#define GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT, ~, _Spec)
-
-#define GMOCK_INTERNAL_MOCK_METHOD_IMPL(_N, _MethodName, _Constness,           \
-                                        _Override, _Final, _NoexceptSpec,      \
-                                        _CallType, _RefSpec, _Signature)       \
-  typename ::testing::internal::Function<GMOCK_PP_REMOVE_PARENS(               \
-      _Signature)>::Result                                                     \
-  GMOCK_INTERNAL_EXPAND(_CallType)                                             \
-      _MethodName(GMOCK_PP_REPEAT(GMOCK_INTERNAL_PARAMETER, _Signature, _N))   \
-          GMOCK_PP_IF(_Constness, const, ) _RefSpec _NoexceptSpec              \
-          GMOCK_PP_IF(_Override, override, ) GMOCK_PP_IF(_Final, final, ) {    \
-    GMOCK_MOCKER_(_N, _Constness, _MethodName)                                 \
-        .SetOwnerAndName(this, #_MethodName);                                  \
-    return GMOCK_MOCKER_(_N, _Constness, _MethodName)                          \
-        .Invoke(GMOCK_PP_REPEAT(GMOCK_INTERNAL_FORWARD_ARG, _Signature, _N));  \
-  }                                                                            \
-  ::testing::MockSpec<GMOCK_PP_REMOVE_PARENS(_Signature)> gmock_##_MethodName( \
-      GMOCK_PP_REPEAT(GMOCK_INTERNAL_MATCHER_PARAMETER, _Signature, _N))       \
-      GMOCK_PP_IF(_Constness, const, ) _RefSpec {                              \
-    GMOCK_MOCKER_(_N, _Constness, _MethodName).RegisterOwner(this);            \
-    return GMOCK_MOCKER_(_N, _Constness, _MethodName)                          \
-        .With(GMOCK_PP_REPEAT(GMOCK_INTERNAL_MATCHER_ARGUMENT, , _N));         \
-  }                                                                            \
-  ::testing::MockSpec<GMOCK_PP_REMOVE_PARENS(_Signature)> gmock_##_MethodName( \
-      const ::testing::internal::WithoutMatchers&,                             \
-      GMOCK_PP_IF(_Constness, const, )::testing::internal::Function<           \
-          GMOCK_PP_REMOVE_PARENS(_Signature)>*) const _RefSpec _NoexceptSpec { \
-    return ::testing::internal::ThisRefAdjuster<GMOCK_PP_IF(                   \
-        _Constness, const, ) int _RefSpec>::Adjust(*this)                      \
-        .gmock_##_MethodName(GMOCK_PP_REPEAT(                                  \
-            GMOCK_INTERNAL_A_MATCHER_ARGUMENT, _Signature, _N));               \
-  }                                                                            \
-  mutable ::testing::FunctionMocker<GMOCK_PP_REMOVE_PARENS(_Signature)>        \
-      GMOCK_MOCKER_(_N, _Constness, _MethodName)
-
-#define GMOCK_INTERNAL_EXPAND(...) __VA_ARGS__
-
-// Five Valid modifiers.
-#define GMOCK_INTERNAL_HAS_CONST(_Tuple) \
-  GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_CONST, ~, _Tuple))
-
-#define GMOCK_INTERNAL_HAS_OVERRIDE(_Tuple) \
-  GMOCK_PP_HAS_COMMA(                       \
-      GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_OVERRIDE, ~, _Tuple))
-
-#define GMOCK_INTERNAL_HAS_FINAL(_Tuple) \
-  GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_FINAL, ~, _Tuple))
-
-#define GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Tuple) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_NOEXCEPT_SPEC_IF_NOEXCEPT, ~, _Tuple)
-
-#define GMOCK_INTERNAL_NOEXCEPT_SPEC_IF_NOEXCEPT(_i, _, _elem)          \
-  GMOCK_PP_IF(                                                          \
-      GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)), \
-      _elem, )
-
-#define GMOCK_INTERNAL_GET_REF_SPEC(_Tuple) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_REF_SPEC_IF_REF, ~, _Tuple)
-
-#define GMOCK_INTERNAL_REF_SPEC_IF_REF(_i, _, _elem)                       \
-  GMOCK_PP_IF(GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_REF(_i, _, _elem)), \
-              GMOCK_PP_CAT(GMOCK_INTERNAL_UNPACK_, _elem), )
-
-#define GMOCK_INTERNAL_GET_CALLTYPE(_Tuple) \
-  GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_CALLTYPE_IMPL, ~, _Tuple)
-
-#define GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT(_i, _, _elem)            \
-  static_assert(                                                          \
-      (GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem)) +    \
-       GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem)) + \
-       GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem)) +    \
-       GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)) + \
-       GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_REF(_i, _, _elem)) +      \
-       GMOCK_INTERNAL_IS_CALLTYPE(_elem)) == 1,                           \
-      GMOCK_PP_STRINGIZE(                                                 \
-          _elem) " cannot be recognized as a valid specification modifier.");
-
-// Modifiers implementation.
-#define GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem) \
-  GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_CONST_I_, _elem)
-
-#define GMOCK_INTERNAL_DETECT_CONST_I_const ,
-
-#define GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem) \
-  GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_OVERRIDE_I_, _elem)
-
-#define GMOCK_INTERNAL_DETECT_OVERRIDE_I_override ,
-
-#define GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem) \
-  GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_FINAL_I_, _elem)
-
-#define GMOCK_INTERNAL_DETECT_FINAL_I_final ,
-
-#define GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem) \
-  GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_NOEXCEPT_I_, _elem)
-
-#define GMOCK_INTERNAL_DETECT_NOEXCEPT_I_noexcept ,
-
-#define GMOCK_INTERNAL_DETECT_REF(_i, _, _elem) \
-  GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_REF_I_, _elem)
-
-#define GMOCK_INTERNAL_DETECT_REF_I_ref ,
-
-#define GMOCK_INTERNAL_UNPACK_ref(x) x
-
-#define GMOCK_INTERNAL_GET_CALLTYPE_IMPL(_i, _, _elem)           \
-  GMOCK_PP_IF(GMOCK_INTERNAL_IS_CALLTYPE(_elem),                 \
-              GMOCK_INTERNAL_GET_VALUE_CALLTYPE, GMOCK_PP_EMPTY) \
-  (_elem)
-
-// TODO(iserna): GMOCK_INTERNAL_IS_CALLTYPE and
-// GMOCK_INTERNAL_GET_VALUE_CALLTYPE needed more expansions to work on windows
-// maybe they can be simplified somehow.
-#define GMOCK_INTERNAL_IS_CALLTYPE(_arg) \
-  GMOCK_INTERNAL_IS_CALLTYPE_I(          \
-      GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
-#define GMOCK_INTERNAL_IS_CALLTYPE_I(_arg) GMOCK_PP_IS_ENCLOSED_PARENS(_arg)
-
-#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE(_arg) \
-  GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(          \
-      GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
-#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(_arg) \
-  GMOCK_PP_IDENTITY _arg
-
-#define GMOCK_INTERNAL_IS_CALLTYPE_HELPER_Calltype
-
-// Note: The use of `identity_t` here allows _Ret to represent return types that
-// would normally need to be specified in a different way. For example, a method
-// returning a function pointer must be written as
-//
-// fn_ptr_return_t (*method(method_args_t...))(fn_ptr_args_t...)
-//
-// But we only support placing the return type at the beginning. To handle this,
-// we wrap all calls in identity_t, so that a declaration will be expanded to
-//
-// identity_t<fn_ptr_return_t (*)(fn_ptr_args_t...)> method(method_args_t...)
-//
-// This allows us to work around the syntactic oddities of function/method
-// types.
-#define GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)                                 \
-  ::testing::internal::identity_t<GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_Ret), \
-                                              GMOCK_PP_REMOVE_PARENS,         \
-                                              GMOCK_PP_IDENTITY)(_Ret)>(      \
-      GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_TYPE, _, _Args))
-
-#define GMOCK_INTERNAL_GET_TYPE(_i, _, _elem)                          \
-  GMOCK_PP_COMMA_IF(_i)                                                \
-  GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_elem), GMOCK_PP_REMOVE_PARENS, \
-              GMOCK_PP_IDENTITY)                                       \
-  (_elem)
-
-#define GMOCK_INTERNAL_PARAMETER(_i, _Signature, _)            \
-  GMOCK_PP_COMMA_IF(_i)                                        \
-  GMOCK_INTERNAL_ARG_O(_i, GMOCK_PP_REMOVE_PARENS(_Signature)) \
-  gmock_a##_i
-
-#define GMOCK_INTERNAL_FORWARD_ARG(_i, _Signature, _) \
-  GMOCK_PP_COMMA_IF(_i)                               \
-  ::std::forward<GMOCK_INTERNAL_ARG_O(                \
-      _i, GMOCK_PP_REMOVE_PARENS(_Signature))>(gmock_a##_i)
-
-#define GMOCK_INTERNAL_MATCHER_PARAMETER(_i, _Signature, _)        \
-  GMOCK_PP_COMMA_IF(_i)                                            \
-  GMOCK_INTERNAL_MATCHER_O(_i, GMOCK_PP_REMOVE_PARENS(_Signature)) \
-  gmock_a##_i
-
-#define GMOCK_INTERNAL_MATCHER_ARGUMENT(_i, _1, _2) \
-  GMOCK_PP_COMMA_IF(_i)                             \
-  gmock_a##_i
-
-#define GMOCK_INTERNAL_A_MATCHER_ARGUMENT(_i, _Signature, _) \
-  GMOCK_PP_COMMA_IF(_i)                                      \
-  ::testing::A<GMOCK_INTERNAL_ARG_O(_i, GMOCK_PP_REMOVE_PARENS(_Signature))>()
-
-#define GMOCK_INTERNAL_ARG_O(_i, ...) \
-  typename ::testing::internal::Function<__VA_ARGS__>::template Arg<_i>::type
-
-#define GMOCK_INTERNAL_MATCHER_O(_i, ...)                          \
-  const ::testing::Matcher<typename ::testing::internal::Function< \
-      __VA_ARGS__>::template Arg<_i>::type>&
-
-#define MOCK_METHOD0(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 0, __VA_ARGS__)
-#define MOCK_METHOD1(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 1, __VA_ARGS__)
-#define MOCK_METHOD2(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 2, __VA_ARGS__)
-#define MOCK_METHOD3(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 3, __VA_ARGS__)
-#define MOCK_METHOD4(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 4, __VA_ARGS__)
-#define MOCK_METHOD5(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 5, __VA_ARGS__)
-#define MOCK_METHOD6(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 6, __VA_ARGS__)
-#define MOCK_METHOD7(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 7, __VA_ARGS__)
-#define MOCK_METHOD8(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 8, __VA_ARGS__)
-#define MOCK_METHOD9(m, ...) GMOCK_INTERNAL_MOCK_METHODN(, , m, 9, __VA_ARGS__)
-#define MOCK_METHOD10(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, , m, 10, __VA_ARGS__)
-
-#define MOCK_CONST_METHOD0(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 0, __VA_ARGS__)
-#define MOCK_CONST_METHOD1(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 1, __VA_ARGS__)
-#define MOCK_CONST_METHOD2(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 2, __VA_ARGS__)
-#define MOCK_CONST_METHOD3(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 3, __VA_ARGS__)
-#define MOCK_CONST_METHOD4(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 4, __VA_ARGS__)
-#define MOCK_CONST_METHOD5(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 5, __VA_ARGS__)
-#define MOCK_CONST_METHOD6(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 6, __VA_ARGS__)
-#define MOCK_CONST_METHOD7(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 7, __VA_ARGS__)
-#define MOCK_CONST_METHOD8(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 8, __VA_ARGS__)
-#define MOCK_CONST_METHOD9(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 9, __VA_ARGS__)
-#define MOCK_CONST_METHOD10(m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, , m, 10, __VA_ARGS__)
-
-#define MOCK_METHOD0_T(m, ...) MOCK_METHOD0(m, __VA_ARGS__)
-#define MOCK_METHOD1_T(m, ...) MOCK_METHOD1(m, __VA_ARGS__)
-#define MOCK_METHOD2_T(m, ...) MOCK_METHOD2(m, __VA_ARGS__)
-#define MOCK_METHOD3_T(m, ...) MOCK_METHOD3(m, __VA_ARGS__)
-#define MOCK_METHOD4_T(m, ...) MOCK_METHOD4(m, __VA_ARGS__)
-#define MOCK_METHOD5_T(m, ...) MOCK_METHOD5(m, __VA_ARGS__)
-#define MOCK_METHOD6_T(m, ...) MOCK_METHOD6(m, __VA_ARGS__)
-#define MOCK_METHOD7_T(m, ...) MOCK_METHOD7(m, __VA_ARGS__)
-#define MOCK_METHOD8_T(m, ...) MOCK_METHOD8(m, __VA_ARGS__)
-#define MOCK_METHOD9_T(m, ...) MOCK_METHOD9(m, __VA_ARGS__)
-#define MOCK_METHOD10_T(m, ...) MOCK_METHOD10(m, __VA_ARGS__)
-
-#define MOCK_CONST_METHOD0_T(m, ...) MOCK_CONST_METHOD0(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD1_T(m, ...) MOCK_CONST_METHOD1(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD2_T(m, ...) MOCK_CONST_METHOD2(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD3_T(m, ...) MOCK_CONST_METHOD3(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD4_T(m, ...) MOCK_CONST_METHOD4(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD5_T(m, ...) MOCK_CONST_METHOD5(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD6_T(m, ...) MOCK_CONST_METHOD6(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD7_T(m, ...) MOCK_CONST_METHOD7(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD8_T(m, ...) MOCK_CONST_METHOD8(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD9_T(m, ...) MOCK_CONST_METHOD9(m, __VA_ARGS__)
-#define MOCK_CONST_METHOD10_T(m, ...) MOCK_CONST_METHOD10(m, __VA_ARGS__)
-
-#define MOCK_METHOD0_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 0, __VA_ARGS__)
-#define MOCK_METHOD1_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 1, __VA_ARGS__)
-#define MOCK_METHOD2_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 2, __VA_ARGS__)
-#define MOCK_METHOD3_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 3, __VA_ARGS__)
-#define MOCK_METHOD4_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 4, __VA_ARGS__)
-#define MOCK_METHOD5_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 5, __VA_ARGS__)
-#define MOCK_METHOD6_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 6, __VA_ARGS__)
-#define MOCK_METHOD7_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 7, __VA_ARGS__)
-#define MOCK_METHOD8_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 8, __VA_ARGS__)
-#define MOCK_METHOD9_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 9, __VA_ARGS__)
-#define MOCK_METHOD10_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(, ct, m, 10, __VA_ARGS__)
-
-#define MOCK_CONST_METHOD0_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 0, __VA_ARGS__)
-#define MOCK_CONST_METHOD1_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 1, __VA_ARGS__)
-#define MOCK_CONST_METHOD2_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 2, __VA_ARGS__)
-#define MOCK_CONST_METHOD3_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 3, __VA_ARGS__)
-#define MOCK_CONST_METHOD4_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 4, __VA_ARGS__)
-#define MOCK_CONST_METHOD5_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 5, __VA_ARGS__)
-#define MOCK_CONST_METHOD6_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 6, __VA_ARGS__)
-#define MOCK_CONST_METHOD7_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 7, __VA_ARGS__)
-#define MOCK_CONST_METHOD8_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 8, __VA_ARGS__)
-#define MOCK_CONST_METHOD9_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 9, __VA_ARGS__)
-#define MOCK_CONST_METHOD10_WITH_CALLTYPE(ct, m, ...) \
-  GMOCK_INTERNAL_MOCK_METHODN(const, ct, m, 10, __VA_ARGS__)
-
-#define MOCK_METHOD0_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD0_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD1_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD1_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD2_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD2_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD3_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD3_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD4_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD4_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD5_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD5_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD6_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD6_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD7_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD7_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD8_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD8_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD9_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD9_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_METHOD10_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_METHOD10_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-
-#define MOCK_CONST_METHOD0_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD0_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD1_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD1_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD2_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD2_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD3_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD3_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD4_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD4_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD5_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD5_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD6_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD6_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD7_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD7_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD8_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD8_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD9_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD9_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-#define MOCK_CONST_METHOD10_T_WITH_CALLTYPE(ct, m, ...) \
-  MOCK_CONST_METHOD10_WITH_CALLTYPE(ct, m, __VA_ARGS__)
-
-#define GMOCK_INTERNAL_MOCK_METHODN(constness, ct, Method, args_num, ...) \
-  GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE(                                  \
-      args_num, ::testing::internal::identity_t<__VA_ARGS__>);            \
-  GMOCK_INTERNAL_MOCK_METHOD_IMPL(                                        \
-      args_num, Method, GMOCK_PP_NARG0(constness), 0, 0, , ct, ,          \
-      (::testing::internal::identity_t<__VA_ARGS__>))
-
-#define GMOCK_MOCKER_(arity, constness, Method) \
-  GTEST_CONCAT_TOKEN_(gmock##constness##arity##_##Method##_, __LINE__)
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements some commonly used variadic actions.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
-
-#include <memory>
-#include <utility>
-
-
-// Include any custom callback actions added by the local installation.
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_GENERATED_ACTIONS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_GENERATED_ACTIONS_H_
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_GENERATED_ACTIONS_H_
-
-// Sometimes you want to give an action explicit template parameters
-// that cannot be inferred from its value parameters.  ACTION() and
-// ACTION_P*() don't support that.  ACTION_TEMPLATE() remedies that
-// and can be viewed as an extension to ACTION() and ACTION_P*().
-//
-// The syntax:
-//
-//   ACTION_TEMPLATE(ActionName,
-//                   HAS_m_TEMPLATE_PARAMS(kind1, name1, ..., kind_m, name_m),
-//                   AND_n_VALUE_PARAMS(p1, ..., p_n)) { statements; }
-//
-// defines an action template that takes m explicit template
-// parameters and n value parameters.  name_i is the name of the i-th
-// template parameter, and kind_i specifies whether it's a typename,
-// an integral constant, or a template.  p_i is the name of the i-th
-// value parameter.
-//
-// Example:
-//
-//   // DuplicateArg<k, T>(output) converts the k-th argument of the mock
-//   // function to type T and copies it to *output.
-//   ACTION_TEMPLATE(DuplicateArg,
-//                   HAS_2_TEMPLATE_PARAMS(int, k, typename, T),
-//                   AND_1_VALUE_PARAMS(output)) {
-//     *output = T(::std::get<k>(args));
-//   }
-//   ...
-//     int n;
-//     EXPECT_CALL(mock, Foo(_, _))
-//         .WillOnce(DuplicateArg<1, unsigned char>(&n));
-//
-// To create an instance of an action template, write:
-//
-//   ActionName<t1, ..., t_m>(v1, ..., v_n)
-//
-// where the ts are the template arguments and the vs are the value
-// arguments.  The value argument types are inferred by the compiler.
-// If you want to explicitly specify the value argument types, you can
-// provide additional template arguments:
-//
-//   ActionName<t1, ..., t_m, u1, ..., u_k>(v1, ..., v_n)
-//
-// where u_i is the desired type of v_i.
-//
-// ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded on the
-// number of value parameters, but not on the number of template
-// parameters.  Without the restriction, the meaning of the following
-// is unclear:
-//
-//   OverloadedAction<int, bool>(x);
-//
-// Are we using a single-template-parameter action where 'bool' refers
-// to the type of x, or are we using a two-template-parameter action
-// where the compiler is asked to infer the type of x?
-//
-// Implementation notes:
-//
-// GMOCK_INTERNAL_*_HAS_m_TEMPLATE_PARAMS and
-// GMOCK_INTERNAL_*_AND_n_VALUE_PARAMS are internal macros for
-// implementing ACTION_TEMPLATE.  The main trick we use is to create
-// new macro invocations when expanding a macro.  For example, we have
-//
-//   #define ACTION_TEMPLATE(name, template_params, value_params)
-//       ... GMOCK_INTERNAL_DECL_##template_params ...
-//
-// which causes ACTION_TEMPLATE(..., HAS_1_TEMPLATE_PARAMS(typename, T), ...)
-// to expand to
-//
-//       ... GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS(typename, T) ...
-//
-// Since GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS is a macro, the
-// preprocessor will continue to expand it to
-//
-//       ... typename T ...
-//
-// This technique conforms to the C++ standard and is portable.  It
-// allows us to implement action templates using O(N) code, where N is
-// the maximum number of template/value parameters supported.  Without
-// using it, we'd have to devote O(N^2) amount of code to implement all
-// combinations of m and n.
-
-// Declares the template parameters.
-#define GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS(kind0, name0) kind0 name0
-#define GMOCK_INTERNAL_DECL_HAS_2_TEMPLATE_PARAMS(kind0, name0, kind1, \
-    name1) kind0 name0, kind1 name1
-#define GMOCK_INTERNAL_DECL_HAS_3_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2) kind0 name0, kind1 name1, kind2 name2
-#define GMOCK_INTERNAL_DECL_HAS_4_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3) kind0 name0, kind1 name1, kind2 name2, \
-    kind3 name3
-#define GMOCK_INTERNAL_DECL_HAS_5_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4) kind0 name0, kind1 name1, \
-    kind2 name2, kind3 name3, kind4 name4
-#define GMOCK_INTERNAL_DECL_HAS_6_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5) kind0 name0, \
-    kind1 name1, kind2 name2, kind3 name3, kind4 name4, kind5 name5
-#define GMOCK_INTERNAL_DECL_HAS_7_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, \
-    name6) kind0 name0, kind1 name1, kind2 name2, kind3 name3, kind4 name4, \
-    kind5 name5, kind6 name6
-#define GMOCK_INTERNAL_DECL_HAS_8_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, name6, \
-    kind7, name7) kind0 name0, kind1 name1, kind2 name2, kind3 name3, \
-    kind4 name4, kind5 name5, kind6 name6, kind7 name7
-#define GMOCK_INTERNAL_DECL_HAS_9_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, name6, \
-    kind7, name7, kind8, name8) kind0 name0, kind1 name1, kind2 name2, \
-    kind3 name3, kind4 name4, kind5 name5, kind6 name6, kind7 name7, \
-    kind8 name8
-#define GMOCK_INTERNAL_DECL_HAS_10_TEMPLATE_PARAMS(kind0, name0, kind1, \
-    name1, kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, \
-    name6, kind7, name7, kind8, name8, kind9, name9) kind0 name0, \
-    kind1 name1, kind2 name2, kind3 name3, kind4 name4, kind5 name5, \
-    kind6 name6, kind7 name7, kind8 name8, kind9 name9
-
-// Lists the template parameters.
-#define GMOCK_INTERNAL_LIST_HAS_1_TEMPLATE_PARAMS(kind0, name0) name0
-#define GMOCK_INTERNAL_LIST_HAS_2_TEMPLATE_PARAMS(kind0, name0, kind1, \
-    name1) name0, name1
-#define GMOCK_INTERNAL_LIST_HAS_3_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2) name0, name1, name2
-#define GMOCK_INTERNAL_LIST_HAS_4_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3) name0, name1, name2, name3
-#define GMOCK_INTERNAL_LIST_HAS_5_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4) name0, name1, name2, name3, \
-    name4
-#define GMOCK_INTERNAL_LIST_HAS_6_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5) name0, name1, \
-    name2, name3, name4, name5
-#define GMOCK_INTERNAL_LIST_HAS_7_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, \
-    name6) name0, name1, name2, name3, name4, name5, name6
-#define GMOCK_INTERNAL_LIST_HAS_8_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, name6, \
-    kind7, name7) name0, name1, name2, name3, name4, name5, name6, name7
-#define GMOCK_INTERNAL_LIST_HAS_9_TEMPLATE_PARAMS(kind0, name0, kind1, name1, \
-    kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, name6, \
-    kind7, name7, kind8, name8) name0, name1, name2, name3, name4, name5, \
-    name6, name7, name8
-#define GMOCK_INTERNAL_LIST_HAS_10_TEMPLATE_PARAMS(kind0, name0, kind1, \
-    name1, kind2, name2, kind3, name3, kind4, name4, kind5, name5, kind6, \
-    name6, kind7, name7, kind8, name8, kind9, name9) name0, name1, name2, \
-    name3, name4, name5, name6, name7, name8, name9
-
-// Declares the types of value parameters.
-#define GMOCK_INTERNAL_DECL_TYPE_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_DECL_TYPE_AND_1_VALUE_PARAMS(p0) , typename p0##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_2_VALUE_PARAMS(p0, p1) , \
-    typename p0##_type, typename p1##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_3_VALUE_PARAMS(p0, p1, p2) , \
-    typename p0##_type, typename p1##_type, typename p2##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_4_VALUE_PARAMS(p0, p1, p2, p3) , \
-    typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_5_VALUE_PARAMS(p0, p1, p2, p3, p4) , \
-    typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type, typename p4##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, p5) , \
-    typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type, typename p4##_type, typename p5##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6) , typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type, typename p4##_type, typename p5##_type, \
-    typename p6##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7) , typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type, typename p4##_type, typename p5##_type, \
-    typename p6##_type, typename p7##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7, p8) , typename p0##_type, typename p1##_type, typename p2##_type, \
-    typename p3##_type, typename p4##_type, typename p5##_type, \
-    typename p6##_type, typename p7##_type, typename p8##_type
-#define GMOCK_INTERNAL_DECL_TYPE_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7, p8, p9) , typename p0##_type, typename p1##_type, \
-    typename p2##_type, typename p3##_type, typename p4##_type, \
-    typename p5##_type, typename p6##_type, typename p7##_type, \
-    typename p8##_type, typename p9##_type
-
-// Initializes the value parameters.
-#define GMOCK_INTERNAL_INIT_AND_0_VALUE_PARAMS()\
-    ()
-#define GMOCK_INTERNAL_INIT_AND_1_VALUE_PARAMS(p0)\
-    (p0##_type gmock_p0) : p0(::std::move(gmock_p0))
-#define GMOCK_INTERNAL_INIT_AND_2_VALUE_PARAMS(p0, p1)\
-    (p0##_type gmock_p0, p1##_type gmock_p1) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1))
-#define GMOCK_INTERNAL_INIT_AND_3_VALUE_PARAMS(p0, p1, p2)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, \
-        p2##_type gmock_p2) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2))
-#define GMOCK_INTERNAL_INIT_AND_4_VALUE_PARAMS(p0, p1, p2, p3)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3))
-#define GMOCK_INTERNAL_INIT_AND_5_VALUE_PARAMS(p0, p1, p2, p3, p4)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4))
-#define GMOCK_INTERNAL_INIT_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, p5)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4, \
-        p5##_type gmock_p5) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4)), \
-        p5(::std::move(gmock_p5))
-#define GMOCK_INTERNAL_INIT_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
-        p6##_type gmock_p6) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4)), \
-        p5(::std::move(gmock_p5)), p6(::std::move(gmock_p6))
-#define GMOCK_INTERNAL_INIT_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, p7)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
-        p6##_type gmock_p6, p7##_type gmock_p7) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4)), \
-        p5(::std::move(gmock_p5)), p6(::std::move(gmock_p6)), \
-        p7(::std::move(gmock_p7))
-#define GMOCK_INTERNAL_INIT_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
-        p6##_type gmock_p6, p7##_type gmock_p7, \
-        p8##_type gmock_p8) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4)), \
-        p5(::std::move(gmock_p5)), p6(::std::move(gmock_p6)), \
-        p7(::std::move(gmock_p7)), p8(::std::move(gmock_p8))
-#define GMOCK_INTERNAL_INIT_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8, p9)\
-    (p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
-        p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
-        p6##_type gmock_p6, p7##_type gmock_p7, p8##_type gmock_p8, \
-        p9##_type gmock_p9) : p0(::std::move(gmock_p0)), \
-        p1(::std::move(gmock_p1)), p2(::std::move(gmock_p2)), \
-        p3(::std::move(gmock_p3)), p4(::std::move(gmock_p4)), \
-        p5(::std::move(gmock_p5)), p6(::std::move(gmock_p6)), \
-        p7(::std::move(gmock_p7)), p8(::std::move(gmock_p8)), \
-        p9(::std::move(gmock_p9))
-
-// Defines the copy constructor
-#define GMOCK_INTERNAL_DEFN_COPY_AND_0_VALUE_PARAMS() \
-    {}  // Avoid https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82134
-#define GMOCK_INTERNAL_DEFN_COPY_AND_1_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_2_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_3_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_4_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_5_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_6_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_7_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_8_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_9_VALUE_PARAMS(...) = default;
-#define GMOCK_INTERNAL_DEFN_COPY_AND_10_VALUE_PARAMS(...) = default;
-
-// Declares the fields for storing the value parameters.
-#define GMOCK_INTERNAL_DEFN_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_DEFN_AND_1_VALUE_PARAMS(p0) p0##_type p0;
-#define GMOCK_INTERNAL_DEFN_AND_2_VALUE_PARAMS(p0, p1) p0##_type p0; \
-    p1##_type p1;
-#define GMOCK_INTERNAL_DEFN_AND_3_VALUE_PARAMS(p0, p1, p2) p0##_type p0; \
-    p1##_type p1; p2##_type p2;
-#define GMOCK_INTERNAL_DEFN_AND_4_VALUE_PARAMS(p0, p1, p2, p3) p0##_type p0; \
-    p1##_type p1; p2##_type p2; p3##_type p3;
-#define GMOCK_INTERNAL_DEFN_AND_5_VALUE_PARAMS(p0, p1, p2, p3, \
-    p4) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; p4##_type p4;
-#define GMOCK_INTERNAL_DEFN_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, \
-    p5) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; p4##_type p4; \
-    p5##_type p5;
-#define GMOCK_INTERNAL_DEFN_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; p4##_type p4; \
-    p5##_type p5; p6##_type p6;
-#define GMOCK_INTERNAL_DEFN_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; p4##_type p4; \
-    p5##_type p5; p6##_type p6; p7##_type p7;
-#define GMOCK_INTERNAL_DEFN_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; \
-    p4##_type p4; p5##_type p5; p6##_type p6; p7##_type p7; p8##_type p8;
-#define GMOCK_INTERNAL_DEFN_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8, p9) p0##_type p0; p1##_type p1; p2##_type p2; p3##_type p3; \
-    p4##_type p4; p5##_type p5; p6##_type p6; p7##_type p7; p8##_type p8; \
-    p9##_type p9;
-
-// Lists the value parameters.
-#define GMOCK_INTERNAL_LIST_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_LIST_AND_1_VALUE_PARAMS(p0) p0
-#define GMOCK_INTERNAL_LIST_AND_2_VALUE_PARAMS(p0, p1) p0, p1
-#define GMOCK_INTERNAL_LIST_AND_3_VALUE_PARAMS(p0, p1, p2) p0, p1, p2
-#define GMOCK_INTERNAL_LIST_AND_4_VALUE_PARAMS(p0, p1, p2, p3) p0, p1, p2, p3
-#define GMOCK_INTERNAL_LIST_AND_5_VALUE_PARAMS(p0, p1, p2, p3, p4) p0, p1, \
-    p2, p3, p4
-#define GMOCK_INTERNAL_LIST_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, p5) p0, \
-    p1, p2, p3, p4, p5
-#define GMOCK_INTERNAL_LIST_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6) p0, p1, p2, p3, p4, p5, p6
-#define GMOCK_INTERNAL_LIST_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7) p0, p1, p2, p3, p4, p5, p6, p7
-#define GMOCK_INTERNAL_LIST_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8) p0, p1, p2, p3, p4, p5, p6, p7, p8
-#define GMOCK_INTERNAL_LIST_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8, p9) p0, p1, p2, p3, p4, p5, p6, p7, p8, p9
-
-// Lists the value parameter types.
-#define GMOCK_INTERNAL_LIST_TYPE_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_LIST_TYPE_AND_1_VALUE_PARAMS(p0) , p0##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_2_VALUE_PARAMS(p0, p1) , p0##_type, \
-    p1##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_3_VALUE_PARAMS(p0, p1, p2) , p0##_type, \
-    p1##_type, p2##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_4_VALUE_PARAMS(p0, p1, p2, p3) , \
-    p0##_type, p1##_type, p2##_type, p3##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_5_VALUE_PARAMS(p0, p1, p2, p3, p4) , \
-    p0##_type, p1##_type, p2##_type, p3##_type, p4##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, p5) , \
-    p0##_type, p1##_type, p2##_type, p3##_type, p4##_type, p5##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6) , p0##_type, p1##_type, p2##_type, p3##_type, p4##_type, p5##_type, \
-    p6##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7) , p0##_type, p1##_type, p2##_type, p3##_type, p4##_type, \
-    p5##_type, p6##_type, p7##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7, p8) , p0##_type, p1##_type, p2##_type, p3##_type, p4##_type, \
-    p5##_type, p6##_type, p7##_type, p8##_type
-#define GMOCK_INTERNAL_LIST_TYPE_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6, p7, p8, p9) , p0##_type, p1##_type, p2##_type, p3##_type, p4##_type, \
-    p5##_type, p6##_type, p7##_type, p8##_type, p9##_type
-
-// Declares the value parameters.
-#define GMOCK_INTERNAL_DECL_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_DECL_AND_1_VALUE_PARAMS(p0) p0##_type p0
-#define GMOCK_INTERNAL_DECL_AND_2_VALUE_PARAMS(p0, p1) p0##_type p0, \
-    p1##_type p1
-#define GMOCK_INTERNAL_DECL_AND_3_VALUE_PARAMS(p0, p1, p2) p0##_type p0, \
-    p1##_type p1, p2##_type p2
-#define GMOCK_INTERNAL_DECL_AND_4_VALUE_PARAMS(p0, p1, p2, p3) p0##_type p0, \
-    p1##_type p1, p2##_type p2, p3##_type p3
-#define GMOCK_INTERNAL_DECL_AND_5_VALUE_PARAMS(p0, p1, p2, p3, \
-    p4) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, p4##_type p4
-#define GMOCK_INTERNAL_DECL_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, \
-    p5) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, p4##_type p4, \
-    p5##_type p5
-#define GMOCK_INTERNAL_DECL_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, \
-    p6) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, p4##_type p4, \
-    p5##_type p5, p6##_type p6
-#define GMOCK_INTERNAL_DECL_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, p4##_type p4, \
-    p5##_type p5, p6##_type p6, p7##_type p7
-#define GMOCK_INTERNAL_DECL_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, \
-    p4##_type p4, p5##_type p5, p6##_type p6, p7##_type p7, p8##_type p8
-#define GMOCK_INTERNAL_DECL_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8, p9) p0##_type p0, p1##_type p1, p2##_type p2, p3##_type p3, \
-    p4##_type p4, p5##_type p5, p6##_type p6, p7##_type p7, p8##_type p8, \
-    p9##_type p9
-
-// The suffix of the class template implementing the action template.
-#define GMOCK_INTERNAL_COUNT_AND_0_VALUE_PARAMS()
-#define GMOCK_INTERNAL_COUNT_AND_1_VALUE_PARAMS(p0) P
-#define GMOCK_INTERNAL_COUNT_AND_2_VALUE_PARAMS(p0, p1) P2
-#define GMOCK_INTERNAL_COUNT_AND_3_VALUE_PARAMS(p0, p1, p2) P3
-#define GMOCK_INTERNAL_COUNT_AND_4_VALUE_PARAMS(p0, p1, p2, p3) P4
-#define GMOCK_INTERNAL_COUNT_AND_5_VALUE_PARAMS(p0, p1, p2, p3, p4) P5
-#define GMOCK_INTERNAL_COUNT_AND_6_VALUE_PARAMS(p0, p1, p2, p3, p4, p5) P6
-#define GMOCK_INTERNAL_COUNT_AND_7_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6) P7
-#define GMOCK_INTERNAL_COUNT_AND_8_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7) P8
-#define GMOCK_INTERNAL_COUNT_AND_9_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8) P9
-#define GMOCK_INTERNAL_COUNT_AND_10_VALUE_PARAMS(p0, p1, p2, p3, p4, p5, p6, \
-    p7, p8, p9) P10
-
-// The name of the class template implementing the action template.
-#define GMOCK_ACTION_CLASS_(name, value_params)\
-    GTEST_CONCAT_TOKEN_(name##Action, GMOCK_INTERNAL_COUNT_##value_params)
-
-#define ACTION_TEMPLATE(name, template_params, value_params)                   \
-  template <GMOCK_INTERNAL_DECL_##template_params                              \
-            GMOCK_INTERNAL_DECL_TYPE_##value_params>                           \
-  class GMOCK_ACTION_CLASS_(name, value_params) {                              \
-   public:                                                                     \
-    explicit GMOCK_ACTION_CLASS_(name, value_params)(                          \
-        GMOCK_INTERNAL_DECL_##value_params)                                    \
-        GMOCK_PP_IF(GMOCK_PP_IS_EMPTY(GMOCK_INTERNAL_COUNT_##value_params),    \
-                    = default; ,                                               \
-                    : impl_(std::make_shared<gmock_Impl>(                      \
-                                GMOCK_INTERNAL_LIST_##value_params)) { })      \
-    GMOCK_ACTION_CLASS_(name, value_params)(                                   \
-        const GMOCK_ACTION_CLASS_(name, value_params)&) noexcept               \
-        GMOCK_INTERNAL_DEFN_COPY_##value_params                                \
-    GMOCK_ACTION_CLASS_(name, value_params)(                                   \
-        GMOCK_ACTION_CLASS_(name, value_params)&&) noexcept                    \
-        GMOCK_INTERNAL_DEFN_COPY_##value_params                                \
-    template <typename F>                                                      \
-    operator ::testing::Action<F>() const {                                    \
-      return GMOCK_PP_IF(                                                      \
-          GMOCK_PP_IS_EMPTY(GMOCK_INTERNAL_COUNT_##value_params),              \
-                      (::testing::internal::MakeAction<F, gmock_Impl>()),      \
-                      (::testing::internal::MakeAction<F>(impl_)));            \
-    }                                                                          \
-   private:                                                                    \
-    class gmock_Impl {                                                         \
-     public:                                                                   \
-      explicit gmock_Impl GMOCK_INTERNAL_INIT_##value_params {}                \
-      template <typename function_type, typename return_type,                  \
-                typename args_type, GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>         \
-      return_type gmock_PerformImpl(GMOCK_ACTION_ARG_TYPES_AND_NAMES_) const;  \
-      GMOCK_INTERNAL_DEFN_##value_params                                       \
-    };                                                                         \
-    GMOCK_PP_IF(GMOCK_PP_IS_EMPTY(GMOCK_INTERNAL_COUNT_##value_params),        \
-                , std::shared_ptr<const gmock_Impl> impl_;)                    \
-  };                                                                           \
-  template <GMOCK_INTERNAL_DECL_##template_params                              \
-            GMOCK_INTERNAL_DECL_TYPE_##value_params>                           \
-  GMOCK_ACTION_CLASS_(name, value_params)<                                     \
-      GMOCK_INTERNAL_LIST_##template_params                                    \
-      GMOCK_INTERNAL_LIST_TYPE_##value_params> name(                           \
-          GMOCK_INTERNAL_DECL_##value_params) GTEST_MUST_USE_RESULT_;          \
-  template <GMOCK_INTERNAL_DECL_##template_params                              \
-            GMOCK_INTERNAL_DECL_TYPE_##value_params>                           \
-  inline GMOCK_ACTION_CLASS_(name, value_params)<                              \
-      GMOCK_INTERNAL_LIST_##template_params                                    \
-      GMOCK_INTERNAL_LIST_TYPE_##value_params> name(                           \
-          GMOCK_INTERNAL_DECL_##value_params) {                                \
-    return GMOCK_ACTION_CLASS_(name, value_params)<                            \
-        GMOCK_INTERNAL_LIST_##template_params                                  \
-        GMOCK_INTERNAL_LIST_TYPE_##value_params>(                              \
-            GMOCK_INTERNAL_LIST_##value_params);                               \
-  }                                                                            \
-  template <GMOCK_INTERNAL_DECL_##template_params                              \
-            GMOCK_INTERNAL_DECL_TYPE_##value_params>                           \
-  template <typename function_type, typename return_type, typename args_type,  \
-            GMOCK_ACTION_TEMPLATE_ARGS_NAMES_>                                 \
-  return_type GMOCK_ACTION_CLASS_(name, value_params)<                         \
-      GMOCK_INTERNAL_LIST_##template_params                                    \
-      GMOCK_INTERNAL_LIST_TYPE_##value_params>::gmock_Impl::gmock_PerformImpl( \
-          GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
-
-namespace testing {
-
-// The ACTION*() macros trigger warning C4100 (unreferenced formal
-// parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
-// the macro definition, as the warnings are generated when the macro
-// is expanded and macro expansion cannot contain #pragma.  Therefore
-// we suppress them here.
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4100)
-#endif
-
-namespace internal {
-
-// internal::InvokeArgument - a helper for InvokeArgument action.
-// The basic overloads are provided here for generic functors.
-// Overloads for other custom-callables are provided in the
-// internal/custom/gmock-generated-actions.h header.
-template <typename F, typename... Args>
-auto InvokeArgument(F f, Args... args) -> decltype(f(args...)) {
-  return f(args...);
-}
-
-template <std::size_t index, typename... Params>
-struct InvokeArgumentAction {
-  template <typename... Args>
-  auto operator()(Args&&... args) const -> decltype(internal::InvokeArgument(
-      std::get<index>(std::forward_as_tuple(std::forward<Args>(args)...)),
-      std::declval<const Params&>()...)) {
-    internal::FlatTuple<Args&&...> args_tuple(FlatTupleConstructTag{},
-                                              std::forward<Args>(args)...);
-    return params.Apply([&](const Params&... unpacked_params) {
-      auto&& callable = args_tuple.template Get<index>();
-      return internal::InvokeArgument(
-          std::forward<decltype(callable)>(callable), unpacked_params...);
-    });
-  }
-
-  internal::FlatTuple<Params...> params;
-};
-
-}  // namespace internal
-
-// The InvokeArgument<N>(a1, a2, ..., a_k) action invokes the N-th
-// (0-based) argument, which must be a k-ary callable, of the mock
-// function, with arguments a1, a2, ..., a_k.
-//
-// Notes:
-//
-//   1. The arguments are passed by value by default.  If you need to
-//   pass an argument by reference, wrap it inside std::ref().  For
-//   example,
-//
-//     InvokeArgument<1>(5, string("Hello"), std::ref(foo))
-//
-//   passes 5 and string("Hello") by value, and passes foo by
-//   reference.
-//
-//   2. If the callable takes an argument by reference but std::ref() is
-//   not used, it will receive the reference to a copy of the value,
-//   instead of the original value.  For example, when the 0-th
-//   argument of the mock function takes a const string&, the action
-//
-//     InvokeArgument<0>(string("Hello"))
-//
-//   makes a copy of the temporary string("Hello") object and passes a
-//   reference of the copy, instead of the original temporary object,
-//   to the callable.  This makes it easy for a user to define an
-//   InvokeArgument action from temporary values and have it performed
-//   later.
-template <std::size_t index, typename... Params>
-internal::InvokeArgumentAction<index, typename std::decay<Params>::type...>
-InvokeArgument(Params&&... params) {
-  return {internal::FlatTuple<typename std::decay<Params>::type...>(
-      internal::FlatTupleConstructTag{}, std::forward<Params>(params)...)};
-}
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-}  // namespace testing
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
-// Copyright 2013, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Mock - a framework for writing C++ mock classes.
-//
-// This file implements some matchers that depend on gmock-matchers.h.
-//
-// Note that tests are implemented in gmock-matchers_test.cc rather than
-// gmock-more-matchers-test.cc.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
-
-
-namespace testing {
-
-// Silence C4100 (unreferenced formal
-// parameter) for MSVC
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4100)
-#if (_MSC_VER == 1900)
-// and silence C4800 (C4800: 'int *const ': forcing value
-// to bool 'true' or 'false') for MSVC 14
-# pragma warning(disable:4800)
-  #endif
-#endif
-
-// Defines a matcher that matches an empty container. The container must
-// support both size() and empty(), which all STL-like containers provide.
-MATCHER(IsEmpty, negation ? "isn't empty" : "is empty") {
-  if (arg.empty()) {
-    return true;
-  }
-  *result_listener << "whose size is " << arg.size();
-  return false;
-}
-
-// Define a matcher that matches a value that evaluates in boolean
-// context to true.  Useful for types that define "explicit operator
-// bool" operators and so can't be compared for equality with true
-// and false.
-MATCHER(IsTrue, negation ? "is false" : "is true") {
-  return static_cast<bool>(arg);
-}
-
-// Define a matcher that matches a value that evaluates in boolean
-// context to false.  Useful for types that define "explicit operator
-// bool" operators and so can't be compared for equality with true
-// and false.
-MATCHER(IsFalse, negation ? "is true" : "is false") {
-  return !static_cast<bool>(arg);
-}
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-
-}  // namespace testing
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Implements class templates NiceMock, NaggyMock, and StrictMock.
-//
-// Given a mock class MockFoo that is created using Google Mock,
-// NiceMock<MockFoo> is a subclass of MockFoo that allows
-// uninteresting calls (i.e. calls to mock methods that have no
-// EXPECT_CALL specs), NaggyMock<MockFoo> is a subclass of MockFoo
-// that prints a warning when an uninteresting call occurs, and
-// StrictMock<MockFoo> is a subclass of MockFoo that treats all
-// uninteresting calls as errors.
-//
-// Currently a mock is naggy by default, so MockFoo and
-// NaggyMock<MockFoo> behave like the same.  However, we will soon
-// switch the default behavior of mocks to be nice, as that in general
-// leads to more maintainable tests.  When that happens, MockFoo will
-// stop behaving like NaggyMock<MockFoo> and start behaving like
-// NiceMock<MockFoo>.
-//
-// NiceMock, NaggyMock, and StrictMock "inherit" the constructors of
-// their respective base class.  Therefore you can write
-// NiceMock<MockFoo>(5, "a") to construct a nice mock where MockFoo
-// has a constructor that accepts (int, const char*), for example.
-//
-// A known limitation is that NiceMock<MockFoo>, NaggyMock<MockFoo>,
-// and StrictMock<MockFoo> only works for mock methods defined using
-// the MOCK_METHOD* family of macros DIRECTLY in the MockFoo class.
-// If a mock method is defined in a base class of MockFoo, the "nice"
-// or "strict" modifier may not affect it, depending on the compiler.
-// In particular, nesting NiceMock, NaggyMock, and StrictMock is NOT
-// supported.
-
-// GOOGLETEST_CM0002 DO NOT DELETE
-
-#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_NICE_STRICT_H_
-#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_NICE_STRICT_H_
-
-#include <type_traits>
-
-
-namespace testing {
-template <class MockClass>
-class NiceMock;
-template <class MockClass>
-class NaggyMock;
-template <class MockClass>
-class StrictMock;
-
-namespace internal {
-template <typename T>
-std::true_type StrictnessModifierProbe(const NiceMock<T>&);
-template <typename T>
-std::true_type StrictnessModifierProbe(const NaggyMock<T>&);
-template <typename T>
-std::true_type StrictnessModifierProbe(const StrictMock<T>&);
-std::false_type StrictnessModifierProbe(...);
-
-template <typename T>
-constexpr bool HasStrictnessModifier() {
-  return decltype(StrictnessModifierProbe(std::declval<const T&>()))::value;
-}
-
-// Base classes that register and deregister with testing::Mock to alter the
-// default behavior around uninteresting calls. Inheriting from one of these
-// classes first and then MockClass ensures the MockClass constructor is run
-// after registration, and that the MockClass destructor runs before
-// deregistration. This guarantees that MockClass's constructor and destructor
-// run with the same level of strictness as its instance methods.
-
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MINGW && \
-    (defined(_MSC_VER) || defined(__clang__))
-// We need to mark these classes with this declspec to ensure that
-// the empty base class optimization is performed.
-#define GTEST_INTERNAL_EMPTY_BASE_CLASS __declspec(empty_bases)
-#else
-#define GTEST_INTERNAL_EMPTY_BASE_CLASS
-#endif
-
-template <typename Base>
-class NiceMockImpl {
- public:
-  NiceMockImpl() { ::testing::Mock::AllowUninterestingCalls(this); }
-
-  ~NiceMockImpl() { ::testing::Mock::UnregisterCallReaction(this); }
-};
-
-template <typename Base>
-class NaggyMockImpl {
- public:
-  NaggyMockImpl() { ::testing::Mock::WarnUninterestingCalls(this); }
-
-  ~NaggyMockImpl() { ::testing::Mock::UnregisterCallReaction(this); }
-};
-
-template <typename Base>
-class StrictMockImpl {
- public:
-  StrictMockImpl() { ::testing::Mock::FailUninterestingCalls(this); }
-
-  ~StrictMockImpl() { ::testing::Mock::UnregisterCallReaction(this); }
-};
-
-}  // namespace internal
-
-template <class MockClass>
-class GTEST_INTERNAL_EMPTY_BASE_CLASS NiceMock
-    : private internal::NiceMockImpl<MockClass>,
-      public MockClass {
- public:
-  static_assert(!internal::HasStrictnessModifier<MockClass>(),
-                "Can't apply NiceMock to a class hierarchy that already has a "
-                "strictness modifier. See "
-                "https://google.github.io/googletest/"
-                "gmock_cook_book.html#NiceStrictNaggy");
-  NiceMock() : MockClass() {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  // Ideally, we would inherit base class's constructors through a using
-  // declaration, which would preserve their visibility. However, many existing
-  // tests rely on the fact that current implementation reexports protected
-  // constructors as public. These tests would need to be cleaned up first.
-
-  // Single argument constructor is special-cased so that it can be
-  // made explicit.
-  template <typename A>
-  explicit NiceMock(A&& arg) : MockClass(std::forward<A>(arg)) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  template <typename TArg1, typename TArg2, typename... An>
-  NiceMock(TArg1&& arg1, TArg2&& arg2, An&&... args)
-      : MockClass(std::forward<TArg1>(arg1), std::forward<TArg2>(arg2),
-                  std::forward<An>(args)...) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(NiceMock);
-};
-
-template <class MockClass>
-class GTEST_INTERNAL_EMPTY_BASE_CLASS NaggyMock
-    : private internal::NaggyMockImpl<MockClass>,
-      public MockClass {
-  static_assert(!internal::HasStrictnessModifier<MockClass>(),
-                "Can't apply NaggyMock to a class hierarchy that already has a "
-                "strictness modifier. See "
-                "https://google.github.io/googletest/"
-                "gmock_cook_book.html#NiceStrictNaggy");
-
- public:
-  NaggyMock() : MockClass() {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  // Ideally, we would inherit base class's constructors through a using
-  // declaration, which would preserve their visibility. However, many existing
-  // tests rely on the fact that current implementation reexports protected
-  // constructors as public. These tests would need to be cleaned up first.
-
-  // Single argument constructor is special-cased so that it can be
-  // made explicit.
-  template <typename A>
-  explicit NaggyMock(A&& arg) : MockClass(std::forward<A>(arg)) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  template <typename TArg1, typename TArg2, typename... An>
-  NaggyMock(TArg1&& arg1, TArg2&& arg2, An&&... args)
-      : MockClass(std::forward<TArg1>(arg1), std::forward<TArg2>(arg2),
-                  std::forward<An>(args)...) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(NaggyMock);
-};
-
-template <class MockClass>
-class GTEST_INTERNAL_EMPTY_BASE_CLASS StrictMock
-    : private internal::StrictMockImpl<MockClass>,
-      public MockClass {
- public:
-  static_assert(
-      !internal::HasStrictnessModifier<MockClass>(),
-      "Can't apply StrictMock to a class hierarchy that already has a "
-      "strictness modifier. See "
-      "https://google.github.io/googletest/"
-      "gmock_cook_book.html#NiceStrictNaggy");
-  StrictMock() : MockClass() {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  // Ideally, we would inherit base class's constructors through a using
-  // declaration, which would preserve their visibility. However, many existing
-  // tests rely on the fact that current implementation reexports protected
-  // constructors as public. These tests would need to be cleaned up first.
-
-  // Single argument constructor is special-cased so that it can be
-  // made explicit.
-  template <typename A>
-  explicit StrictMock(A&& arg) : MockClass(std::forward<A>(arg)) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
-  template <typename TArg1, typename TArg2, typename... An>
-  StrictMock(TArg1&& arg1, TArg2&& arg2, An&&... args)
-      : MockClass(std::forward<TArg1>(arg1), std::forward<TArg2>(arg2),
-                  std::forward<An>(args)...) {
-    static_assert(sizeof(*this) == sizeof(MockClass),
-                  "The impl subclass shouldn't introduce any padding");
-  }
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(StrictMock);
-};
-
-#undef GTEST_INTERNAL_EMPTY_BASE_CLASS
-
-}  // namespace testing
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_NICE_STRICT_H_
-
-namespace testing {
-
-// Declares Google Mock flags that we want a user to use programmatically.
-GMOCK_DECLARE_bool_(catch_leaked_mocks);
-GMOCK_DECLARE_string_(verbose);
-GMOCK_DECLARE_int32_(default_mock_behavior);
-
-// Initializes Google Mock.  This must be called before running the
-// tests.  In particular, it parses the command line for the flags
-// that Google Mock recognizes.  Whenever a Google Mock flag is seen,
-// it is removed from argv, and *argc is decremented.
-//
-// No value is returned.  Instead, the Google Mock flag variables are
-// updated.
-//
-// Since Google Test is needed for Google Mock to work, this function
-// also initializes Google Test and parses its flags, if that hasn't
-// been done.
-GTEST_API_ void InitGoogleMock(int* argc, char** argv);
-
-// This overloaded version can be used in Windows programs compiled in
-// UNICODE mode.
-GTEST_API_ void InitGoogleMock(int* argc, wchar_t** argv);
-
-// This overloaded version can be used on Arduino/embedded platforms where
-// there is no argc/argv.
-GTEST_API_ void InitGoogleMock();
-
-}  // namespace testing
-
-#endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_H_
diff --git a/third_party/fmt-9.1.0/test/gtest/gtest/gtest-spi.h b/third_party/fmt-9.1.0/test/gtest/gtest/gtest-spi.h
deleted file mode 100644
index eacef446..00000000
--- a/third_party/fmt-9.1.0/test/gtest/gtest/gtest-spi.h
+++ /dev/null
@@ -1,238 +0,0 @@
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Utilities for testing Google Test itself and code that uses Google Test
-// (e.g. frameworks built on top of Google Test).
-
-// GOOGLETEST_CM0004 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
-
-#include "gtest/gtest.h"
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// This helper class can be used to mock out Google Test failure reporting
-// so that we can test Google Test or code that builds on Google Test.
-//
-// An object of this class appends a TestPartResult object to the
-// TestPartResultArray object given in the constructor whenever a Google Test
-// failure is reported. It can either intercept only failures that are
-// generated in the same thread that created this object or it can intercept
-// all generated failures. The scope of this mock object can be controlled with
-// the second argument to the two arguments constructor.
-class GTEST_API_ ScopedFakeTestPartResultReporter
-    : public TestPartResultReporterInterface {
- public:
-  // The two possible mocking modes of this object.
-  enum InterceptMode {
-    INTERCEPT_ONLY_CURRENT_THREAD,  // Intercepts only thread local failures.
-    INTERCEPT_ALL_THREADS           // Intercepts all failures.
-  };
-
-  // The c'tor sets this object as the test part result reporter used
-  // by Google Test.  The 'result' parameter specifies where to report the
-  // results. This reporter will only catch failures generated in the current
-  // thread. DEPRECATED
-  explicit ScopedFakeTestPartResultReporter(TestPartResultArray* result);
-
-  // Same as above, but you can choose the interception scope of this object.
-  ScopedFakeTestPartResultReporter(InterceptMode intercept_mode,
-                                   TestPartResultArray* result);
-
-  // The d'tor restores the previous test part result reporter.
-  ~ScopedFakeTestPartResultReporter() override;
-
-  // Appends the TestPartResult object to the TestPartResultArray
-  // received in the constructor.
-  //
-  // This method is from the TestPartResultReporterInterface
-  // interface.
-  void ReportTestPartResult(const TestPartResult& result) override;
-
- private:
-  void Init();
-
-  const InterceptMode intercept_mode_;
-  TestPartResultReporterInterface* old_reporter_;
-  TestPartResultArray* const result_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedFakeTestPartResultReporter);
-};
-
-namespace internal {
-
-// A helper class for implementing EXPECT_FATAL_FAILURE() and
-// EXPECT_NONFATAL_FAILURE().  Its destructor verifies that the given
-// TestPartResultArray contains exactly one failure that has the given
-// type and contains the given substring.  If that's not the case, a
-// non-fatal failure will be generated.
-class GTEST_API_ SingleFailureChecker {
- public:
-  // The constructor remembers the arguments.
-  SingleFailureChecker(const TestPartResultArray* results,
-                       TestPartResult::Type type, const std::string& substr);
-  ~SingleFailureChecker();
- private:
-  const TestPartResultArray* const results_;
-  const TestPartResult::Type type_;
-  const std::string substr_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(SingleFailureChecker);
-};
-
-}  // namespace internal
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-// A set of macros for testing Google Test assertions or code that's expected
-// to generate Google Test fatal failures.  It verifies that the given
-// statement will cause exactly one fatal Google Test failure with 'substr'
-// being part of the failure message.
-//
-// There are two different versions of this macro. EXPECT_FATAL_FAILURE only
-// affects and considers failures generated in the current thread and
-// EXPECT_FATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
-//
-// The verification of the assertion is done correctly even when the statement
-// throws an exception or aborts the current function.
-//
-// Known restrictions:
-//   - 'statement' cannot reference local non-static variables or
-//     non-static members of the current object.
-//   - 'statement' cannot return a value.
-//   - You cannot stream a failure message to this macro.
-//
-// Note that even though the implementations of the following two
-// macros are much alike, we cannot refactor them to use a common
-// helper macro, due to some peculiarity in how the preprocessor
-// works.  The AcceptsMacroThatExpandsToUnprotectedComma test in
-// gtest_unittest.cc will fail to compile if we do that.
-#define EXPECT_FATAL_FAILURE(statement, substr) \
-  do { \
-    class GTestExpectFatalFailureHelper {\
-     public:\
-      static void Execute() { statement; }\
-    };\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
-      GTestExpectFatalFailureHelper::Execute();\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#define EXPECT_FATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
-  do { \
-    class GTestExpectFatalFailureHelper {\
-     public:\
-      static void Execute() { statement; }\
-    };\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ALL_THREADS, &gtest_failures);\
-      GTestExpectFatalFailureHelper::Execute();\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-// A macro for testing Google Test assertions or code that's expected to
-// generate Google Test non-fatal failures.  It asserts that the given
-// statement will cause exactly one non-fatal Google Test failure with 'substr'
-// being part of the failure message.
-//
-// There are two different versions of this macro. EXPECT_NONFATAL_FAILURE only
-// affects and considers failures generated in the current thread and
-// EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
-//
-// 'statement' is allowed to reference local variables and members of
-// the current object.
-//
-// The verification of the assertion is done correctly even when the statement
-// throws an exception or aborts the current function.
-//
-// Known restrictions:
-//   - You cannot stream a failure message to this macro.
-//
-// Note that even though the implementations of the following two
-// macros are much alike, we cannot refactor them to use a common
-// helper macro, due to some peculiarity in how the preprocessor
-// works.  If we do that, the code won't compile when the user gives
-// EXPECT_NONFATAL_FAILURE() a statement that contains a macro that
-// expands to code containing an unprotected comma.  The
-// AcceptsMacroThatExpandsToUnprotectedComma test in gtest_unittest.cc
-// catches that.
-//
-// For the same reason, we have to write
-//   if (::testing::internal::AlwaysTrue()) { statement; }
-// instead of
-//   GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement)
-// to avoid an MSVC warning on unreachable code.
-#define EXPECT_NONFATAL_FAILURE(statement, substr) \
-  do {\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
-        (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter:: \
-          INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
-      if (::testing::internal::AlwaysTrue()) { statement; }\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#define EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
-  do {\
-    ::testing::TestPartResultArray gtest_failures;\
-    ::testing::internal::SingleFailureChecker gtest_checker(\
-        &gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
-        (substr));\
-    {\
-      ::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
-          ::testing::ScopedFakeTestPartResultReporter::INTERCEPT_ALL_THREADS, \
-          &gtest_failures);\
-      if (::testing::internal::AlwaysTrue()) { statement; }\
-    }\
-  } while (::testing::internal::AlwaysFalse())
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_SPI_H_
diff --git a/third_party/fmt-9.1.0/test/gtest/gtest/gtest.h b/third_party/fmt-9.1.0/test/gtest/gtest/gtest.h
deleted file mode 100644
index 55a31d0a..00000000
--- a/third_party/fmt-9.1.0/test/gtest/gtest/gtest.h
+++ /dev/null
@@ -1,12398 +0,0 @@
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file defines the public API for Google Test.  It should be
-// included by any test program that uses Google Test.
-//
-// IMPORTANT NOTE: Due to limitation of the C++ language, we have to
-// leave some internal implementation details in this header file.
-// They are clearly marked by comments like this:
-//
-//   // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-//
-// Such code is NOT meant to be used by a user directly, and is subject
-// to CHANGE WITHOUT NOTICE.  Therefore DO NOT DEPEND ON IT in a user
-// program!
-//
-// Acknowledgment: Google Test borrowed the idea of automatic test
-// registration from Barthelemy Dagenais' (barthelemy@prologique.com)
-// easyUnit framework.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_H_
-
-#include <cstddef>
-#include <limits>
-#include <memory>
-#include <ostream>
-#include <type_traits>
-#include <vector>
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file declares functions and macros used internally by
-// Google Test.  They are subject to change without notice.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Low-level types and utilities for porting Google Test to various
-// platforms.  All macros ending with _ and symbols defined in an
-// internal namespace are subject to change without notice.  Code
-// outside Google Test MUST NOT USE THEM DIRECTLY.  Macros that don't
-// end with _ are part of Google Test's public API and can be used by
-// code outside Google Test.
-//
-// This file is fundamental to Google Test.  All other Google Test source
-// files are expected to #include this.  Therefore, it cannot #include
-// any other Google Test header.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
-
-// Environment-describing macros
-// -----------------------------
-//
-// Google Test can be used in many different environments.  Macros in
-// this section tell Google Test what kind of environment it is being
-// used in, such that Google Test can provide environment-specific
-// features and implementations.
-//
-// Google Test tries to automatically detect the properties of its
-// environment, so users usually don't need to worry about these
-// macros.  However, the automatic detection is not perfect.
-// Sometimes it's necessary for a user to define some of the following
-// macros in the build script to override Google Test's decisions.
-//
-// If the user doesn't define a macro in the list, Google Test will
-// provide a default definition.  After this header is #included, all
-// macros in this list will be defined to either 1 or 0.
-//
-// Notes to maintainers:
-//   - Each macro here is a user-tweakable knob; do not grow the list
-//     lightly.
-//   - Use #if to key off these macros.  Don't use #ifdef or "#if
-//     defined(...)", which will not work as these macros are ALWAYS
-//     defined.
-//
-//   GTEST_HAS_CLONE          - Define it to 1/0 to indicate that clone(2)
-//                              is/isn't available.
-//   GTEST_HAS_EXCEPTIONS     - Define it to 1/0 to indicate that exceptions
-//                              are enabled.
-//   GTEST_HAS_POSIX_RE       - Define it to 1/0 to indicate that POSIX regular
-//                              expressions are/aren't available.
-//   GTEST_HAS_PTHREAD        - Define it to 1/0 to indicate that <pthread.h>
-//                              is/isn't available.
-//   GTEST_HAS_RTTI           - Define it to 1/0 to indicate that RTTI is/isn't
-//                              enabled.
-//   GTEST_HAS_STD_WSTRING    - Define it to 1/0 to indicate that
-//                              std::wstring does/doesn't work (Google Test can
-//                              be used where std::wstring is unavailable).
-//   GTEST_HAS_SEH            - Define it to 1/0 to indicate whether the
-//                              compiler supports Microsoft's "Structured
-//                              Exception Handling".
-//   GTEST_HAS_STREAM_REDIRECTION
-//                            - Define it to 1/0 to indicate whether the
-//                              platform supports I/O stream redirection using
-//                              dup() and dup2().
-//   GTEST_LINKED_AS_SHARED_LIBRARY
-//                            - Define to 1 when compiling tests that use
-//                              Google Test as a shared library (known as
-//                              DLL on Windows).
-//   GTEST_CREATE_SHARED_LIBRARY
-//                            - Define to 1 when compiling Google Test itself
-//                              as a shared library.
-//   GTEST_DEFAULT_DEATH_TEST_STYLE
-//                            - The default value of --gtest_death_test_style.
-//                              The legacy default has been "fast" in the open
-//                              source version since 2008. The recommended value
-//                              is "threadsafe", and can be set in
-//                              custom/gtest-port.h.
-
-// Platform-indicating macros
-// --------------------------
-//
-// Macros indicating the platform on which Google Test is being used
-// (a macro is defined to 1 if compiled on the given platform;
-// otherwise UNDEFINED -- it's never defined to 0.).  Google Test
-// defines these macros automatically.  Code outside Google Test MUST
-// NOT define them.
-//
-//   GTEST_OS_AIX      - IBM AIX
-//   GTEST_OS_CYGWIN   - Cygwin
-//   GTEST_OS_DRAGONFLY - DragonFlyBSD
-//   GTEST_OS_FREEBSD  - FreeBSD
-//   GTEST_OS_FUCHSIA  - Fuchsia
-//   GTEST_OS_GNU_KFREEBSD - GNU/kFreeBSD
-//   GTEST_OS_HAIKU    - Haiku
-//   GTEST_OS_HPUX     - HP-UX
-//   GTEST_OS_LINUX    - Linux
-//     GTEST_OS_LINUX_ANDROID - Google Android
-//   GTEST_OS_MAC      - Mac OS X
-//     GTEST_OS_IOS    - iOS
-//   GTEST_OS_NACL     - Google Native Client (NaCl)
-//   GTEST_OS_NETBSD   - NetBSD
-//   GTEST_OS_OPENBSD  - OpenBSD
-//   GTEST_OS_OS2      - OS/2
-//   GTEST_OS_QNX      - QNX
-//   GTEST_OS_SOLARIS  - Sun Solaris
-//   GTEST_OS_WINDOWS  - Windows (Desktop, MinGW, or Mobile)
-//     GTEST_OS_WINDOWS_DESKTOP  - Windows Desktop
-//     GTEST_OS_WINDOWS_MINGW    - MinGW
-//     GTEST_OS_WINDOWS_MOBILE   - Windows Mobile
-//     GTEST_OS_WINDOWS_PHONE    - Windows Phone
-//     GTEST_OS_WINDOWS_RT       - Windows Store App/WinRT
-//   GTEST_OS_ZOS      - z/OS
-//
-// Among the platforms, Cygwin, Linux, Mac OS X, and Windows have the
-// most stable support.  Since core members of the Google Test project
-// don't have access to other platforms, support for them may be less
-// stable.  If you notice any problems on your platform, please notify
-// googletestframework@googlegroups.com (patches for fixing them are
-// even more welcome!).
-//
-// It is possible that none of the GTEST_OS_* macros are defined.
-
-// Feature-indicating macros
-// -------------------------
-//
-// Macros indicating which Google Test features are available (a macro
-// is defined to 1 if the corresponding feature is supported;
-// otherwise UNDEFINED -- it's never defined to 0.).  Google Test
-// defines these macros automatically.  Code outside Google Test MUST
-// NOT define them.
-//
-// These macros are public so that portable tests can be written.
-// Such tests typically surround code using a feature with an #if
-// which controls that code.  For example:
-//
-// #if GTEST_HAS_DEATH_TEST
-//   EXPECT_DEATH(DoSomethingDeadly());
-// #endif
-//
-//   GTEST_HAS_DEATH_TEST   - death tests
-//   GTEST_HAS_TYPED_TEST   - typed tests
-//   GTEST_HAS_TYPED_TEST_P - type-parameterized tests
-//   GTEST_IS_THREADSAFE    - Google Test is thread-safe.
-//   GOOGLETEST_CM0007 DO NOT DELETE
-//   GTEST_USES_POSIX_RE    - enhanced POSIX regex is used. Do not confuse with
-//                            GTEST_HAS_POSIX_RE (see above) which users can
-//                            define themselves.
-//   GTEST_USES_SIMPLE_RE   - our own simple regex is used;
-//                            the above RE\b(s) are mutually exclusive.
-
-// Misc public macros
-// ------------------
-//
-//   GTEST_FLAG(flag_name)  - references the variable corresponding to
-//                            the given Google Test flag.
-
-// Internal utilities
-// ------------------
-//
-// The following macros and utilities are for Google Test's INTERNAL
-// use only.  Code outside Google Test MUST NOT USE THEM DIRECTLY.
-//
-// Macros for basic C++ coding:
-//   GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning.
-//   GTEST_ATTRIBUTE_UNUSED_  - declares that a class' instances or a
-//                              variable don't have to be used.
-//   GTEST_DISALLOW_ASSIGN_   - disables copy operator=.
-//   GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=.
-//   GTEST_DISALLOW_MOVE_ASSIGN_   - disables move operator=.
-//   GTEST_DISALLOW_MOVE_AND_ASSIGN_ - disables move ctor and operator=.
-//   GTEST_MUST_USE_RESULT_   - declares that a function's result must be used.
-//   GTEST_INTENTIONAL_CONST_COND_PUSH_ - start code section where MSVC C4127 is
-//                                        suppressed (constant conditional).
-//   GTEST_INTENTIONAL_CONST_COND_POP_  - finish code section where MSVC C4127
-//                                        is suppressed.
-//   GTEST_INTERNAL_HAS_ANY - for enabling UniversalPrinter<std::any> or
-//                            UniversalPrinter<absl::any> specializations.
-//   GTEST_INTERNAL_HAS_OPTIONAL - for enabling UniversalPrinter<std::optional>
-//   or
-//                                 UniversalPrinter<absl::optional>
-//                                 specializations.
-//   GTEST_INTERNAL_HAS_STRING_VIEW - for enabling Matcher<std::string_view> or
-//                                    Matcher<absl::string_view>
-//                                    specializations.
-//   GTEST_INTERNAL_HAS_VARIANT - for enabling UniversalPrinter<std::variant> or
-//                                UniversalPrinter<absl::variant>
-//                                specializations.
-//
-// Synchronization:
-//   Mutex, MutexLock, ThreadLocal, GetThreadCount()
-//                            - synchronization primitives.
-//
-// Regular expressions:
-//   RE             - a simple regular expression class using the POSIX
-//                    Extended Regular Expression syntax on UNIX-like platforms
-//                    GOOGLETEST_CM0008 DO NOT DELETE
-//                    or a reduced regular exception syntax on other
-//                    platforms, including Windows.
-// Logging:
-//   GTEST_LOG_()   - logs messages at the specified severity level.
-//   LogToStderr()  - directs all log messages to stderr.
-//   FlushInfoLog() - flushes informational log messages.
-//
-// Stdout and stderr capturing:
-//   CaptureStdout()     - starts capturing stdout.
-//   GetCapturedStdout() - stops capturing stdout and returns the captured
-//                         string.
-//   CaptureStderr()     - starts capturing stderr.
-//   GetCapturedStderr() - stops capturing stderr and returns the captured
-//                         string.
-//
-// Integer types:
-//   TypeWithSize   - maps an integer to a int type.
-//   TimeInMillis   - integers of known sizes.
-//   BiggestInt     - the biggest signed integer type.
-//
-// Command-line utilities:
-//   GTEST_DECLARE_*()  - declares a flag.
-//   GTEST_DEFINE_*()   - defines a flag.
-//   GetInjectableArgvs() - returns the command line as a vector of strings.
-//
-// Environment variable utilities:
-//   GetEnv()             - gets the value of an environment variable.
-//   BoolFromGTestEnv()   - parses a bool environment variable.
-//   Int32FromGTestEnv()  - parses an int32_t environment variable.
-//   StringFromGTestEnv() - parses a string environment variable.
-//
-// Deprecation warnings:
-//   GTEST_INTERNAL_DEPRECATED(message) - attribute marking a function as
-//                                        deprecated; calling a marked function
-//                                        should generate a compiler warning
-
-#include <ctype.h>   // for isspace, etc
-#include <stddef.h>  // for ptrdiff_t
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <cerrno>
-#include <cstdint>
-#include <limits>
-#include <type_traits>
-
-#ifndef _WIN32_WCE
-# include <sys/types.h>
-# include <sys/stat.h>
-#endif  // !_WIN32_WCE
-
-#if defined __APPLE__
-# include <AvailabilityMacros.h>
-# include <TargetConditionals.h>
-#endif
-
-#include <iostream>  // NOLINT
-#include <locale>
-#include <memory>
-#include <string>  // NOLINT
-#include <tuple>
-#include <vector>  // NOLINT
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Injection point for custom user configurations. See README for details
-//
-// ** Custom implementation starts here **
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file defines the GTEST_OS_* macro.
-// It is separate from gtest-port.h so that custom/gtest-port.h can include it.
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_
-
-// Determines the platform on which Google Test is compiled.
-#ifdef __CYGWIN__
-# define GTEST_OS_CYGWIN 1
-# elif defined(__MINGW__) || defined(__MINGW32__) || defined(__MINGW64__)
-#  define GTEST_OS_WINDOWS_MINGW 1
-#  define GTEST_OS_WINDOWS 1
-#elif defined _WIN32
-# define GTEST_OS_WINDOWS 1
-# ifdef _WIN32_WCE
-#  define GTEST_OS_WINDOWS_MOBILE 1
-# elif defined(WINAPI_FAMILY)
-#  include <winapifamily.h>
-#  if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
-#   define GTEST_OS_WINDOWS_DESKTOP 1
-#  elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_PHONE_APP)
-#   define GTEST_OS_WINDOWS_PHONE 1
-#  elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
-#   define GTEST_OS_WINDOWS_RT 1
-#  elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_TV_TITLE)
-#   define GTEST_OS_WINDOWS_PHONE 1
-#   define GTEST_OS_WINDOWS_TV_TITLE 1
-#  else
-    // WINAPI_FAMILY defined but no known partition matched.
-    // Default to desktop.
-#   define GTEST_OS_WINDOWS_DESKTOP 1
-#  endif
-# else
-#  define GTEST_OS_WINDOWS_DESKTOP 1
-# endif  // _WIN32_WCE
-#elif defined __OS2__
-# define GTEST_OS_OS2 1
-#elif defined __APPLE__
-# define GTEST_OS_MAC 1
-# include <TargetConditionals.h>
-# if TARGET_OS_IPHONE
-#  define GTEST_OS_IOS 1
-# endif
-#elif defined __DragonFly__
-# define GTEST_OS_DRAGONFLY 1
-#elif defined __FreeBSD__
-# define GTEST_OS_FREEBSD 1
-#elif defined __Fuchsia__
-# define GTEST_OS_FUCHSIA 1
-#elif defined(__GLIBC__) && defined(__FreeBSD_kernel__)
-# define GTEST_OS_GNU_KFREEBSD 1
-#elif defined __linux__
-# define GTEST_OS_LINUX 1
-# if defined __ANDROID__
-#  define GTEST_OS_LINUX_ANDROID 1
-# endif
-#elif defined __MVS__
-# define GTEST_OS_ZOS 1
-#elif defined(__sun) && defined(__SVR4)
-# define GTEST_OS_SOLARIS 1
-#elif defined(_AIX)
-# define GTEST_OS_AIX 1
-#elif defined(__hpux)
-# define GTEST_OS_HPUX 1
-#elif defined __native_client__
-# define GTEST_OS_NACL 1
-#elif defined __NetBSD__
-# define GTEST_OS_NETBSD 1
-#elif defined __OpenBSD__
-# define GTEST_OS_OPENBSD 1
-#elif defined __QNX__
-# define GTEST_OS_QNX 1
-#elif defined(__HAIKU__)
-#define GTEST_OS_HAIKU 1
-#elif defined ESP8266
-#define GTEST_OS_ESP8266 1
-#elif defined ESP32
-#define GTEST_OS_ESP32 1
-#elif defined(__XTENSA__)
-#define GTEST_OS_XTENSA 1
-#endif  // __CYGWIN__
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_
-
-#if !defined(GTEST_DEV_EMAIL_)
-# define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com"
-# define GTEST_FLAG_PREFIX_ "gtest_"
-# define GTEST_FLAG_PREFIX_DASH_ "gtest-"
-# define GTEST_FLAG_PREFIX_UPPER_ "GTEST_"
-# define GTEST_NAME_ "Google Test"
-# define GTEST_PROJECT_URL_ "https://github.com/google/googletest/"
-#endif  // !defined(GTEST_DEV_EMAIL_)
-
-#if !defined(GTEST_INIT_GOOGLE_TEST_NAME_)
-# define GTEST_INIT_GOOGLE_TEST_NAME_ "testing::InitGoogleTest"
-#endif  // !defined(GTEST_INIT_GOOGLE_TEST_NAME_)
-
-// Determines the version of gcc that is used to compile this.
-#ifdef __GNUC__
-// 40302 means version 4.3.2.
-# define GTEST_GCC_VER_ \
-    (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__)
-#endif  // __GNUC__
-
-// Macros for disabling Microsoft Visual C++ warnings.
-//
-//   GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 4385)
-//   /* code that triggers warnings C4800 and C4385 */
-//   GTEST_DISABLE_MSC_WARNINGS_POP_()
-#if defined(_MSC_VER)
-# define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) \
-    __pragma(warning(push))                        \
-    __pragma(warning(disable: warnings))
-# define GTEST_DISABLE_MSC_WARNINGS_POP_()          \
-    __pragma(warning(pop))
-#else
-// Not all compilers are MSVC
-# define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings)
-# define GTEST_DISABLE_MSC_WARNINGS_POP_()
-#endif
-
-// Clang on Windows does not understand MSVC's pragma warning.
-// We need clang-specific way to disable function deprecation warning.
-#ifdef __clang__
-# define GTEST_DISABLE_MSC_DEPRECATED_PUSH_()                         \
-    _Pragma("clang diagnostic push")                                  \
-    _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") \
-    _Pragma("clang diagnostic ignored \"-Wdeprecated-implementations\"")
-#define GTEST_DISABLE_MSC_DEPRECATED_POP_() \
-    _Pragma("clang diagnostic pop")
-#else
-# define GTEST_DISABLE_MSC_DEPRECATED_PUSH_() \
-    GTEST_DISABLE_MSC_WARNINGS_PUSH_(4996)
-# define GTEST_DISABLE_MSC_DEPRECATED_POP_() \
-    GTEST_DISABLE_MSC_WARNINGS_POP_()
-#endif
-
-// Brings in definitions for functions used in the testing::internal::posix
-// namespace (read, write, close, chdir, isatty, stat). We do not currently
-// use them on Windows Mobile.
-#if GTEST_OS_WINDOWS
-# if !GTEST_OS_WINDOWS_MOBILE
-#  include <direct.h>
-#  include <io.h>
-# endif
-// In order to avoid having to include <windows.h>, use forward declaration
-#if GTEST_OS_WINDOWS_MINGW && !defined(__MINGW64_VERSION_MAJOR)
-// MinGW defined _CRITICAL_SECTION and _RTL_CRITICAL_SECTION as two
-// separate (equivalent) structs, instead of using typedef
-typedef struct _CRITICAL_SECTION GTEST_CRITICAL_SECTION;
-#else
-// Assume CRITICAL_SECTION is a typedef of _RTL_CRITICAL_SECTION.
-// This assumption is verified by
-// WindowsTypesTest.CRITICAL_SECTIONIs_RTL_CRITICAL_SECTION.
-typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION;
-#endif
-#elif GTEST_OS_XTENSA
-#include <unistd.h>
-// Xtensa toolchains define strcasecmp in the string.h header instead of
-// strings.h. string.h is already included.
-#else
-// This assumes that non-Windows OSes provide unistd.h. For OSes where this
-// is not the case, we need to include headers that provide the functions
-// mentioned above.
-# include <unistd.h>
-# include <strings.h>
-#endif  // GTEST_OS_WINDOWS
-
-#if GTEST_OS_LINUX_ANDROID
-// Used to define __ANDROID_API__ matching the target NDK API level.
-#  include <android/api-level.h>  // NOLINT
-#endif
-
-// Defines this to true if and only if Google Test can use POSIX regular
-// expressions.
-#ifndef GTEST_HAS_POSIX_RE
-# if GTEST_OS_LINUX_ANDROID
-// On Android, <regex.h> is only available starting with Gingerbread.
-#  define GTEST_HAS_POSIX_RE (__ANDROID_API__ >= 9)
-# else
-#define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS && !GTEST_OS_XTENSA)
-# endif
-#endif
-
-#if GTEST_USES_PCRE
-// The appropriate headers have already been included.
-
-#elif GTEST_HAS_POSIX_RE
-
-// On some platforms, <regex.h> needs someone to define size_t, and
-// won't compile otherwise.  We can #include it here as we already
-// included <stdlib.h>, which is guaranteed to define size_t through
-// <stddef.h>.
-# include <regex.h>  // NOLINT
-
-# define GTEST_USES_POSIX_RE 1
-
-#elif GTEST_OS_WINDOWS
-
-// <regex.h> is not available on Windows.  Use our own simple regex
-// implementation instead.
-# define GTEST_USES_SIMPLE_RE 1
-
-#else
-
-// <regex.h> may not be available on this platform.  Use our own
-// simple regex implementation instead.
-# define GTEST_USES_SIMPLE_RE 1
-
-#endif  // GTEST_USES_PCRE
-
-#ifndef GTEST_HAS_EXCEPTIONS
-// The user didn't tell us whether exceptions are enabled, so we need
-// to figure it out.
-# if defined(_MSC_VER) && defined(_CPPUNWIND)
-// MSVC defines _CPPUNWIND to 1 if and only if exceptions are enabled.
-#  define GTEST_HAS_EXCEPTIONS 1
-# elif defined(__BORLANDC__)
-// C++Builder's implementation of the STL uses the _HAS_EXCEPTIONS
-// macro to enable exceptions, so we'll do the same.
-// Assumes that exceptions are enabled by default.
-#  ifndef _HAS_EXCEPTIONS
-#   define _HAS_EXCEPTIONS 1
-#  endif  // _HAS_EXCEPTIONS
-#  define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
-# elif defined(__clang__)
-// clang defines __EXCEPTIONS if and only if exceptions are enabled before clang
-// 220714, but if and only if cleanups are enabled after that. In Obj-C++ files,
-// there can be cleanups for ObjC exceptions which also need cleanups, even if
-// C++ exceptions are disabled. clang has __has_feature(cxx_exceptions) which
-// checks for C++ exceptions starting at clang r206352, but which checked for
-// cleanups prior to that. To reliably check for C++ exception availability with
-// clang, check for
-// __EXCEPTIONS && __has_feature(cxx_exceptions).
-#  define GTEST_HAS_EXCEPTIONS (__EXCEPTIONS && __has_feature(cxx_exceptions))
-# elif defined(__GNUC__) && __EXCEPTIONS
-// gcc defines __EXCEPTIONS to 1 if and only if exceptions are enabled.
-#  define GTEST_HAS_EXCEPTIONS 1
-# elif defined(__SUNPRO_CC)
-// Sun Pro CC supports exceptions.  However, there is no compile-time way of
-// detecting whether they are enabled or not.  Therefore, we assume that
-// they are enabled unless the user tells us otherwise.
-#  define GTEST_HAS_EXCEPTIONS 1
-# elif defined(__IBMCPP__) && __EXCEPTIONS
-// xlC defines __EXCEPTIONS to 1 if and only if exceptions are enabled.
-#  define GTEST_HAS_EXCEPTIONS 1
-# elif defined(__HP_aCC)
-// Exception handling is in effect by default in HP aCC compiler. It has to
-// be turned of by +noeh compiler option if desired.
-#  define GTEST_HAS_EXCEPTIONS 1
-# else
-// For other compilers, we assume exceptions are disabled to be
-// conservative.
-#  define GTEST_HAS_EXCEPTIONS 0
-# endif  // defined(_MSC_VER) || defined(__BORLANDC__)
-#endif  // GTEST_HAS_EXCEPTIONS
-
-#ifndef GTEST_HAS_STD_WSTRING
-// The user didn't tell us whether ::std::wstring is available, so we need
-// to figure it out.
-// Cygwin 1.7 and below doesn't support ::std::wstring.
-// Solaris' libc++ doesn't support it either.  Android has
-// no support for it at least as recent as Froyo (2.2).
-#define GTEST_HAS_STD_WSTRING                                         \
-  (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
-     GTEST_OS_HAIKU || GTEST_OS_ESP32 || GTEST_OS_ESP8266 || GTEST_OS_XTENSA))
-
-#endif  // GTEST_HAS_STD_WSTRING
-
-// Determines whether RTTI is available.
-#ifndef GTEST_HAS_RTTI
-// The user didn't tell us whether RTTI is enabled, so we need to
-// figure it out.
-
-# ifdef _MSC_VER
-
-#ifdef _CPPRTTI  // MSVC defines this macro if and only if RTTI is enabled.
-#   define GTEST_HAS_RTTI 1
-#  else
-#   define GTEST_HAS_RTTI 0
-#  endif
-
-// Starting with version 4.3.2, gcc defines __GXX_RTTI if and only if RTTI is
-// enabled.
-# elif defined(__GNUC__)
-
-#  ifdef __GXX_RTTI
-// When building against STLport with the Android NDK and with
-// -frtti -fno-exceptions, the build fails at link time with undefined
-// references to __cxa_bad_typeid. Note sure if STL or toolchain bug,
-// so disable RTTI when detected.
-#   if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) && \
-       !defined(__EXCEPTIONS)
-#    define GTEST_HAS_RTTI 0
-#   else
-#    define GTEST_HAS_RTTI 1
-#   endif  // GTEST_OS_LINUX_ANDROID && __STLPORT_MAJOR && !__EXCEPTIONS
-#  else
-#   define GTEST_HAS_RTTI 0
-#  endif  // __GXX_RTTI
-
-// Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends
-// using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the
-// first version with C++ support.
-# elif defined(__clang__)
-
-#  define GTEST_HAS_RTTI __has_feature(cxx_rtti)
-
-// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if
-// both the typeid and dynamic_cast features are present.
-# elif defined(__IBMCPP__) && (__IBMCPP__ >= 900)
-
-#  ifdef __RTTI_ALL__
-#   define GTEST_HAS_RTTI 1
-#  else
-#   define GTEST_HAS_RTTI 0
-#  endif
-
-# else
-
-// For all other compilers, we assume RTTI is enabled.
-#  define GTEST_HAS_RTTI 1
-
-# endif  // _MSC_VER
-
-#endif  // GTEST_HAS_RTTI
-
-// It's this header's responsibility to #include <typeinfo> when RTTI
-// is enabled.
-#if GTEST_HAS_RTTI
-# include <typeinfo>
-#endif
-
-// Determines whether Google Test can use the pthreads library.
-#ifndef GTEST_HAS_PTHREAD
-// The user didn't tell us explicitly, so we make reasonable assumptions about
-// which platforms have pthreads support.
-//
-// To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0
-// to your compiler flags.
-#define GTEST_HAS_PTHREAD                                                      \
-  (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX || GTEST_OS_QNX ||          \
-   GTEST_OS_FREEBSD || GTEST_OS_NACL || GTEST_OS_NETBSD || GTEST_OS_FUCHSIA || \
-   GTEST_OS_DRAGONFLY || GTEST_OS_GNU_KFREEBSD || GTEST_OS_OPENBSD ||          \
-   GTEST_OS_HAIKU)
-#endif  // GTEST_HAS_PTHREAD
-
-#if GTEST_HAS_PTHREAD
-// gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is
-// true.
-# include <pthread.h>  // NOLINT
-
-// For timespec and nanosleep, used below.
-# include <time.h>  // NOLINT
-#endif
-
-// Determines whether clone(2) is supported.
-// Usually it will only be available on Linux, excluding
-// Linux on the Itanium architecture.
-// Also see http://linux.die.net/man/2/clone.
-#ifndef GTEST_HAS_CLONE
-// The user didn't tell us, so we need to figure it out.
-
-# if GTEST_OS_LINUX && !defined(__ia64__)
-#  if GTEST_OS_LINUX_ANDROID
-// On Android, clone() became available at different API levels for each 32-bit
-// architecture.
-#    if defined(__LP64__) || \
-        (defined(__arm__) && __ANDROID_API__ >= 9) || \
-        (defined(__mips__) && __ANDROID_API__ >= 12) || \
-        (defined(__i386__) && __ANDROID_API__ >= 17)
-#     define GTEST_HAS_CLONE 1
-#    else
-#     define GTEST_HAS_CLONE 0
-#    endif
-#  else
-#   define GTEST_HAS_CLONE 1
-#  endif
-# else
-#  define GTEST_HAS_CLONE 0
-# endif  // GTEST_OS_LINUX && !defined(__ia64__)
-
-#endif  // GTEST_HAS_CLONE
-
-// Determines whether to support stream redirection. This is used to test
-// output correctness and to implement death tests.
-#ifndef GTEST_HAS_STREAM_REDIRECTION
-// By default, we assume that stream redirection is supported on all
-// platforms except known mobile ones.
-#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || \
-    GTEST_OS_WINDOWS_RT || GTEST_OS_ESP8266 || GTEST_OS_XTENSA
-#  define GTEST_HAS_STREAM_REDIRECTION 0
-# else
-#  define GTEST_HAS_STREAM_REDIRECTION 1
-# endif  // !GTEST_OS_WINDOWS_MOBILE
-#endif  // GTEST_HAS_STREAM_REDIRECTION
-
-// Determines whether to support death tests.
-// pops up a dialog window that cannot be suppressed programmatically.
-#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS ||             \
-     (GTEST_OS_MAC && !GTEST_OS_IOS) ||                                   \
-     (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER) || GTEST_OS_WINDOWS_MINGW ||  \
-     GTEST_OS_AIX || GTEST_OS_HPUX || GTEST_OS_OPENBSD || GTEST_OS_QNX || \
-     GTEST_OS_FREEBSD || GTEST_OS_NETBSD || GTEST_OS_FUCHSIA ||           \
-     GTEST_OS_DRAGONFLY || GTEST_OS_GNU_KFREEBSD || GTEST_OS_HAIKU)
-# define GTEST_HAS_DEATH_TEST 1
-#endif
-
-// Determines whether to support type-driven tests.
-
-// Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0,
-// Sun Pro CC, IBM Visual Age, and HP aCC support.
-#if defined(__GNUC__) || defined(_MSC_VER) || defined(__SUNPRO_CC) || \
-    defined(__IBMCPP__) || defined(__HP_aCC)
-# define GTEST_HAS_TYPED_TEST 1
-# define GTEST_HAS_TYPED_TEST_P 1
-#endif
-
-// Determines whether the system compiler uses UTF-16 for encoding wide strings.
-#define GTEST_WIDE_STRING_USES_UTF16_ \
-  (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_AIX || GTEST_OS_OS2)
-
-// Determines whether test results can be streamed to a socket.
-#if GTEST_OS_LINUX || GTEST_OS_GNU_KFREEBSD || GTEST_OS_DRAGONFLY || \
-    GTEST_OS_FREEBSD || GTEST_OS_NETBSD || GTEST_OS_OPENBSD
-# define GTEST_CAN_STREAM_RESULTS_ 1
-#endif
-
-// Defines some utility macros.
-
-// The GNU compiler emits a warning if nested "if" statements are followed by
-// an "else" statement and braces are not used to explicitly disambiguate the
-// "else" binding.  This leads to problems with code like:
-//
-//   if (gate)
-//     ASSERT_*(condition) << "Some message";
-//
-// The "switch (0) case 0:" idiom is used to suppress this.
-#ifdef __INTEL_COMPILER
-# define GTEST_AMBIGUOUS_ELSE_BLOCKER_
-#else
-# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default:  // NOLINT
-#endif
-
-// Use this annotation at the end of a struct/class definition to
-// prevent the compiler from optimizing away instances that are never
-// used.  This is useful when all interesting logic happens inside the
-// c'tor and / or d'tor.  Example:
-//
-//   struct Foo {
-//     Foo() { ... }
-//   } GTEST_ATTRIBUTE_UNUSED_;
-//
-// Also use it after a variable or parameter declaration to tell the
-// compiler the variable/parameter does not have to be used.
-#if defined(__GNUC__) && !defined(COMPILER_ICC)
-# define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused))
-#elif defined(__clang__)
-# if __has_attribute(unused)
-#  define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused))
-# endif
-#endif
-#ifndef GTEST_ATTRIBUTE_UNUSED_
-# define GTEST_ATTRIBUTE_UNUSED_
-#endif
-
-// Use this annotation before a function that takes a printf format string.
-#if (defined(__GNUC__) || defined(__clang__)) && !defined(COMPILER_ICC)
-# if defined(__MINGW_PRINTF_FORMAT)
-// MinGW has two different printf implementations. Ensure the format macro
-// matches the selected implementation. See
-// https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/.
-#  define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check) \
-       __attribute__((__format__(__MINGW_PRINTF_FORMAT, string_index, \
-                                 first_to_check)))
-# else
-#  define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check) \
-       __attribute__((__format__(__printf__, string_index, first_to_check)))
-# endif
-#else
-# define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check)
-#endif
-
-
-// A macro to disallow copy operator=
-// This should be used in the private: declarations for a class.
-#define GTEST_DISALLOW_ASSIGN_(type) \
-  type& operator=(type const &) = delete
-
-// A macro to disallow copy constructor and operator=
-// This should be used in the private: declarations for a class.
-#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type) \
-  type(type const&) = delete;                 \
-  type& operator=(type const&) = delete
-
-// A macro to disallow move operator=
-// This should be used in the private: declarations for a class.
-#define GTEST_DISALLOW_MOVE_ASSIGN_(type) \
-  type& operator=(type &&) noexcept = delete
-
-// A macro to disallow move constructor and operator=
-// This should be used in the private: declarations for a class.
-#define GTEST_DISALLOW_MOVE_AND_ASSIGN_(type) \
-  type(type&&) noexcept = delete;             \
-  type& operator=(type&&) noexcept = delete
-
-// Tell the compiler to warn about unused return values for functions declared
-// with this macro.  The macro should be used on function declarations
-// following the argument list:
-//
-//   Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_;
-#if defined(__GNUC__) && !defined(COMPILER_ICC)
-# define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result))
-#else
-# define GTEST_MUST_USE_RESULT_
-#endif  // __GNUC__ && !COMPILER_ICC
-
-// MS C++ compiler emits warning when a conditional expression is compile time
-// constant. In some contexts this warning is false positive and needs to be
-// suppressed. Use the following two macros in such cases:
-//
-// GTEST_INTENTIONAL_CONST_COND_PUSH_()
-// while (true) {
-// GTEST_INTENTIONAL_CONST_COND_POP_()
-// }
-# define GTEST_INTENTIONAL_CONST_COND_PUSH_() \
-    GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127)
-# define GTEST_INTENTIONAL_CONST_COND_POP_() \
-    GTEST_DISABLE_MSC_WARNINGS_POP_()
-
-// Determine whether the compiler supports Microsoft's Structured Exception
-// Handling.  This is supported by several Windows compilers but generally
-// does not exist on any other system.
-#ifndef GTEST_HAS_SEH
-// The user didn't tell us, so we need to figure it out.
-
-# if defined(_MSC_VER) || defined(__BORLANDC__)
-// These two compilers are known to support SEH.
-#  define GTEST_HAS_SEH 1
-# else
-// Assume no SEH.
-#  define GTEST_HAS_SEH 0
-# endif
-
-#endif  // GTEST_HAS_SEH
-
-#ifndef GTEST_IS_THREADSAFE
-
-#define GTEST_IS_THREADSAFE                                                 \
-  (GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ ||                                     \
-   (GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT) || \
-   GTEST_HAS_PTHREAD)
-
-#endif  // GTEST_IS_THREADSAFE
-
-// GTEST_API_ qualifies all symbols that must be exported. The definitions below
-// are guarded by #ifndef to give embedders a chance to define GTEST_API_ in
-// gtest/internal/custom/gtest-port.h
-#ifndef GTEST_API_
-
-#ifdef _MSC_VER
-# if GTEST_LINKED_AS_SHARED_LIBRARY
-#  define GTEST_API_ __declspec(dllimport)
-# elif GTEST_CREATE_SHARED_LIBRARY
-#  define GTEST_API_ __declspec(dllexport)
-# endif
-#elif __GNUC__ >= 4 || defined(__clang__)
-# define GTEST_API_ __attribute__((visibility ("default")))
-#endif  // _MSC_VER
-
-#endif  // GTEST_API_
-
-#ifndef GTEST_API_
-# define GTEST_API_
-#endif  // GTEST_API_
-
-#ifndef GTEST_DEFAULT_DEATH_TEST_STYLE
-# define GTEST_DEFAULT_DEATH_TEST_STYLE  "fast"
-#endif  // GTEST_DEFAULT_DEATH_TEST_STYLE
-
-#ifdef __GNUC__
-// Ask the compiler to never inline a given function.
-# define GTEST_NO_INLINE_ __attribute__((noinline))
-#else
-# define GTEST_NO_INLINE_
-#endif
-
-// _LIBCPP_VERSION is defined by the libc++ library from the LLVM project.
-#if !defined(GTEST_HAS_CXXABI_H_)
-# if defined(__GLIBCXX__) || (defined(_LIBCPP_VERSION) && !defined(_MSC_VER))
-#  define GTEST_HAS_CXXABI_H_ 1
-# else
-#  define GTEST_HAS_CXXABI_H_ 0
-# endif
-#endif
-
-// A function level attribute to disable checking for use of uninitialized
-// memory when built with MemorySanitizer.
-#if defined(__clang__)
-# if __has_feature(memory_sanitizer)
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ \
-       __attribute__((no_sanitize_memory))
-# else
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-# endif  // __has_feature(memory_sanitizer)
-#else
-# define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
-#endif  // __clang__
-
-// A function level attribute to disable AddressSanitizer instrumentation.
-#if defined(__clang__)
-# if __has_feature(address_sanitizer)
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ \
-       __attribute__((no_sanitize_address))
-# else
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-# endif  // __has_feature(address_sanitizer)
-#else
-# define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
-#endif  // __clang__
-
-// A function level attribute to disable HWAddressSanitizer instrumentation.
-#if defined(__clang__)
-# if __has_feature(hwaddress_sanitizer)
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_ \
-       __attribute__((no_sanitize("hwaddress")))
-# else
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-# endif  // __has_feature(hwaddress_sanitizer)
-#else
-# define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
-#endif  // __clang__
-
-// A function level attribute to disable ThreadSanitizer instrumentation.
-#if defined(__clang__)
-# if __has_feature(thread_sanitizer)
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ \
-       __attribute__((no_sanitize_thread))
-# else
-#  define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-# endif  // __has_feature(thread_sanitizer)
-#else
-# define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
-#endif  // __clang__
-
-namespace testing {
-
-class Message;
-
-// Legacy imports for backwards compatibility.
-// New code should use std:: names directly.
-using std::get;
-using std::make_tuple;
-using std::tuple;
-using std::tuple_element;
-using std::tuple_size;
-
-namespace internal {
-
-// A secret type that Google Test users don't know about.  It has no
-// definition on purpose.  Therefore it's impossible to create a
-// Secret object, which is what we want.
-class Secret;
-
-// The GTEST_COMPILE_ASSERT_ is a legacy macro used to verify that a compile
-// time expression is true (in new code, use static_assert instead). For
-// example, you could use it to verify the size of a static array:
-//
-//   GTEST_COMPILE_ASSERT_(GTEST_ARRAY_SIZE_(names) == NUM_NAMES,
-//                         names_incorrect_size);
-//
-// The second argument to the macro must be a valid C++ identifier. If the
-// expression is false, compiler will issue an error containing this identifier.
-#define GTEST_COMPILE_ASSERT_(expr, msg) static_assert(expr, #msg)
-
-// A helper for suppressing warnings on constant condition.  It just
-// returns 'condition'.
-GTEST_API_ bool IsTrue(bool condition);
-
-// Defines RE.
-
-#if GTEST_USES_PCRE
-// if used, PCRE is injected by custom/gtest-port.h
-#elif GTEST_USES_POSIX_RE || GTEST_USES_SIMPLE_RE
-
-// A simple C++ wrapper for <regex.h>.  It uses the POSIX Extended
-// Regular Expression syntax.
-class GTEST_API_ RE {
- public:
-  // A copy constructor is required by the Standard to initialize object
-  // references from r-values.
-  RE(const RE& other) { Init(other.pattern()); }
-
-  // Constructs an RE from a string.
-  RE(const ::std::string& regex) { Init(regex.c_str()); }  // NOLINT
-
-  RE(const char* regex) { Init(regex); }  // NOLINT
-  ~RE();
-
-  // Returns the string representation of the regex.
-  const char* pattern() const { return pattern_; }
-
-  // FullMatch(str, re) returns true if and only if regular expression re
-  // matches the entire str.
-  // PartialMatch(str, re) returns true if and only if regular expression re
-  // matches a substring of str (including str itself).
-  static bool FullMatch(const ::std::string& str, const RE& re) {
-    return FullMatch(str.c_str(), re);
-  }
-  static bool PartialMatch(const ::std::string& str, const RE& re) {
-    return PartialMatch(str.c_str(), re);
-  }
-
-  static bool FullMatch(const char* str, const RE& re);
-  static bool PartialMatch(const char* str, const RE& re);
-
- private:
-  void Init(const char* regex);
-  const char* pattern_;
-  bool is_valid_;
-
-# if GTEST_USES_POSIX_RE
-
-  regex_t full_regex_;     // For FullMatch().
-  regex_t partial_regex_;  // For PartialMatch().
-
-# else  // GTEST_USES_SIMPLE_RE
-
-  const char* full_pattern_;  // For FullMatch();
-
-# endif
-};
-
-#endif  // GTEST_USES_PCRE
-
-// Formats a source file path and a line number as they would appear
-// in an error message from the compiler used to compile this code.
-GTEST_API_ ::std::string FormatFileLocation(const char* file, int line);
-
-// Formats a file location for compiler-independent XML output.
-// Although this function is not platform dependent, we put it next to
-// FormatFileLocation in order to contrast the two functions.
-GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file,
-                                                               int line);
-
-// Defines logging utilities:
-//   GTEST_LOG_(severity) - logs messages at the specified severity level. The
-//                          message itself is streamed into the macro.
-//   LogToStderr()  - directs all log messages to stderr.
-//   FlushInfoLog() - flushes informational log messages.
-
-enum GTestLogSeverity {
-  GTEST_INFO,
-  GTEST_WARNING,
-  GTEST_ERROR,
-  GTEST_FATAL
-};
-
-// Formats log entry severity, provides a stream object for streaming the
-// log message, and terminates the message with a newline when going out of
-// scope.
-class GTEST_API_ GTestLog {
- public:
-  GTestLog(GTestLogSeverity severity, const char* file, int line);
-
-  // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program.
-  ~GTestLog();
-
-  ::std::ostream& GetStream() { return ::std::cerr; }
-
- private:
-  const GTestLogSeverity severity_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog);
-};
-
-#if !defined(GTEST_LOG_)
-
-# define GTEST_LOG_(severity) \
-    ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \
-                                  __FILE__, __LINE__).GetStream()
-
-inline void LogToStderr() {}
-inline void FlushInfoLog() { fflush(nullptr); }
-
-#endif  // !defined(GTEST_LOG_)
-
-#if !defined(GTEST_CHECK_)
-// INTERNAL IMPLEMENTATION - DO NOT USE.
-//
-// GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition
-// is not satisfied.
-//  Synopsys:
-//    GTEST_CHECK_(boolean_condition);
-//     or
-//    GTEST_CHECK_(boolean_condition) << "Additional message";
-//
-//    This checks the condition and if the condition is not satisfied
-//    it prints message about the condition violation, including the
-//    condition itself, plus additional message streamed into it, if any,
-//    and then it aborts the program. It aborts the program irrespective of
-//    whether it is built in the debug mode or not.
-# define GTEST_CHECK_(condition) \
-    GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-    if (::testing::internal::IsTrue(condition)) \
-      ; \
-    else \
-      GTEST_LOG_(FATAL) << "Condition " #condition " failed. "
-#endif  // !defined(GTEST_CHECK_)
-
-// An all-mode assert to verify that the given POSIX-style function
-// call returns 0 (indicating success).  Known limitation: this
-// doesn't expand to a balanced 'if' statement, so enclose the macro
-// in {} if you need to use it as the only statement in an 'if'
-// branch.
-#define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \
-  if (const int gtest_error = (posix_call)) \
-    GTEST_LOG_(FATAL) << #posix_call << "failed with error " \
-                      << gtest_error
-
-// Transforms "T" into "const T&" according to standard reference collapsing
-// rules (this is only needed as a backport for C++98 compilers that do not
-// support reference collapsing). Specifically, it transforms:
-//
-//   char         ==> const char&
-//   const char   ==> const char&
-//   char&        ==> char&
-//   const char&  ==> const char&
-//
-// Note that the non-const reference will not have "const" added. This is
-// standard, and necessary so that "T" can always bind to "const T&".
-template <typename T>
-struct ConstRef { typedef const T& type; };
-template <typename T>
-struct ConstRef<T&> { typedef T& type; };
-
-// The argument T must depend on some template parameters.
-#define GTEST_REFERENCE_TO_CONST_(T) \
-  typename ::testing::internal::ConstRef<T>::type
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Use ImplicitCast_ as a safe version of static_cast for upcasting in
-// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a
-// const Foo*).  When you use ImplicitCast_, the compiler checks that
-// the cast is safe.  Such explicit ImplicitCast_s are necessary in
-// surprisingly many situations where C++ demands an exact type match
-// instead of an argument type convertable to a target type.
-//
-// The syntax for using ImplicitCast_ is the same as for static_cast:
-//
-//   ImplicitCast_<ToType>(expr)
-//
-// ImplicitCast_ would have been part of the C++ standard library,
-// but the proposal was submitted too late.  It will probably make
-// its way into the language in the future.
-//
-// This relatively ugly name is intentional. It prevents clashes with
-// similar functions users may have (e.g., implicit_cast). The internal
-// namespace alone is not enough because the function can be found by ADL.
-template<typename To>
-inline To ImplicitCast_(To x) { return x; }
-
-// When you upcast (that is, cast a pointer from type Foo to type
-// SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts
-// always succeed.  When you downcast (that is, cast a pointer from
-// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because
-// how do you know the pointer is really of type SubclassOfFoo?  It
-// could be a bare Foo, or of type DifferentSubclassOfFoo.  Thus,
-// when you downcast, you should use this macro.  In debug mode, we
-// use dynamic_cast<> to double-check the downcast is legal (we die
-// if it's not).  In normal mode, we do the efficient static_cast<>
-// instead.  Thus, it's important to test in debug mode to make sure
-// the cast is legal!
-//    This is the only place in the code we should use dynamic_cast<>.
-// In particular, you SHOULDN'T be using dynamic_cast<> in order to
-// do RTTI (eg code like this:
-//    if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo);
-//    if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo);
-// You should design the code some other way not to need this.
-//
-// This relatively ugly name is intentional. It prevents clashes with
-// similar functions users may have (e.g., down_cast). The internal
-// namespace alone is not enough because the function can be found by ADL.
-template<typename To, typename From>  // use like this: DownCast_<T*>(foo);
-inline To DownCast_(From* f) {  // so we only accept pointers
-  // Ensures that To is a sub-type of From *.  This test is here only
-  // for compile-time type checking, and has no overhead in an
-  // optimized build at run-time, as it will be optimized away
-  // completely.
-  GTEST_INTENTIONAL_CONST_COND_PUSH_()
-  if (false) {
-  GTEST_INTENTIONAL_CONST_COND_POP_()
-  const To to = nullptr;
-  ::testing::internal::ImplicitCast_<From*>(to);
-  }
-
-#if GTEST_HAS_RTTI
-  // RTTI: debug mode only!
-  GTEST_CHECK_(f == nullptr || dynamic_cast<To>(f) != nullptr);
-#endif
-  return static_cast<To>(f);
-}
-
-// Downcasts the pointer of type Base to Derived.
-// Derived must be a subclass of Base. The parameter MUST
-// point to a class of type Derived, not any subclass of it.
-// When RTTI is available, the function performs a runtime
-// check to enforce this.
-template <class Derived, class Base>
-Derived* CheckedDowncastToActualType(Base* base) {
-#if GTEST_HAS_RTTI
-  GTEST_CHECK_(typeid(*base) == typeid(Derived));
-#endif
-
-#if GTEST_HAS_DOWNCAST_
-  return ::down_cast<Derived*>(base);
-#elif GTEST_HAS_RTTI
-  return dynamic_cast<Derived*>(base);  // NOLINT
-#else
-  return static_cast<Derived*>(base);  // Poor man's downcast.
-#endif
-}
-
-#if GTEST_HAS_STREAM_REDIRECTION
-
-// Defines the stderr capturer:
-//   CaptureStdout     - starts capturing stdout.
-//   GetCapturedStdout - stops capturing stdout and returns the captured string.
-//   CaptureStderr     - starts capturing stderr.
-//   GetCapturedStderr - stops capturing stderr and returns the captured string.
-//
-GTEST_API_ void CaptureStdout();
-GTEST_API_ std::string GetCapturedStdout();
-GTEST_API_ void CaptureStderr();
-GTEST_API_ std::string GetCapturedStderr();
-
-#endif  // GTEST_HAS_STREAM_REDIRECTION
-// Returns the size (in bytes) of a file.
-GTEST_API_ size_t GetFileSize(FILE* file);
-
-// Reads the entire content of a file as a string.
-GTEST_API_ std::string ReadEntireFile(FILE* file);
-
-// All command line arguments.
-GTEST_API_ std::vector<std::string> GetArgvs();
-
-#if GTEST_HAS_DEATH_TEST
-
-std::vector<std::string> GetInjectableArgvs();
-// Deprecated: pass the args vector by value instead.
-void SetInjectableArgvs(const std::vector<std::string>* new_argvs);
-void SetInjectableArgvs(const std::vector<std::string>& new_argvs);
-void ClearInjectableArgvs();
-
-#endif  // GTEST_HAS_DEATH_TEST
-
-// Defines synchronization primitives.
-#if GTEST_IS_THREADSAFE
-# if GTEST_HAS_PTHREAD
-// Sleeps for (roughly) n milliseconds.  This function is only for testing
-// Google Test's own constructs.  Don't use it in user tests, either
-// directly or indirectly.
-inline void SleepMilliseconds(int n) {
-  const timespec time = {
-    0,                  // 0 seconds.
-    n * 1000L * 1000L,  // And n ms.
-  };
-  nanosleep(&time, nullptr);
-}
-# endif  // GTEST_HAS_PTHREAD
-
-# if GTEST_HAS_NOTIFICATION_
-// Notification has already been imported into the namespace.
-// Nothing to do here.
-
-# elif GTEST_HAS_PTHREAD
-// Allows a controller thread to pause execution of newly created
-// threads until notified.  Instances of this class must be created
-// and destroyed in the controller thread.
-//
-// This class is only for testing Google Test's own constructs. Do not
-// use it in user tests, either directly or indirectly.
-class Notification {
- public:
-  Notification() : notified_(false) {
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, nullptr));
-  }
-  ~Notification() {
-    pthread_mutex_destroy(&mutex_);
-  }
-
-  // Notifies all threads created with this notification to start. Must
-  // be called from the controller thread.
-  void Notify() {
-    pthread_mutex_lock(&mutex_);
-    notified_ = true;
-    pthread_mutex_unlock(&mutex_);
-  }
-
-  // Blocks until the controller thread notifies. Must be called from a test
-  // thread.
-  void WaitForNotification() {
-    for (;;) {
-      pthread_mutex_lock(&mutex_);
-      const bool notified = notified_;
-      pthread_mutex_unlock(&mutex_);
-      if (notified)
-        break;
-      SleepMilliseconds(10);
-    }
-  }
-
- private:
-  pthread_mutex_t mutex_;
-  bool notified_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification);
-};
-
-# elif GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
-
-GTEST_API_ void SleepMilliseconds(int n);
-
-// Provides leak-safe Windows kernel handle ownership.
-// Used in death tests and in threading support.
-class GTEST_API_ AutoHandle {
- public:
-  // Assume that Win32 HANDLE type is equivalent to void*. Doing so allows us to
-  // avoid including <windows.h> in this header file. Including <windows.h> is
-  // undesirable because it defines a lot of symbols and macros that tend to
-  // conflict with client code. This assumption is verified by
-  // WindowsTypesTest.HANDLEIsVoidStar.
-  typedef void* Handle;
-  AutoHandle();
-  explicit AutoHandle(Handle handle);
-
-  ~AutoHandle();
-
-  Handle Get() const;
-  void Reset();
-  void Reset(Handle handle);
-
- private:
-  // Returns true if and only if the handle is a valid handle object that can be
-  // closed.
-  bool IsCloseable() const;
-
-  Handle handle_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(AutoHandle);
-};
-
-// Allows a controller thread to pause execution of newly created
-// threads until notified.  Instances of this class must be created
-// and destroyed in the controller thread.
-//
-// This class is only for testing Google Test's own constructs. Do not
-// use it in user tests, either directly or indirectly.
-class GTEST_API_ Notification {
- public:
-  Notification();
-  void Notify();
-  void WaitForNotification();
-
- private:
-  AutoHandle event_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification);
-};
-# endif  // GTEST_HAS_NOTIFICATION_
-
-// On MinGW, we can have both GTEST_OS_WINDOWS and GTEST_HAS_PTHREAD
-// defined, but we don't want to use MinGW's pthreads implementation, which
-// has conformance problems with some versions of the POSIX standard.
-# if GTEST_HAS_PTHREAD && !GTEST_OS_WINDOWS_MINGW
-
-// As a C-function, ThreadFuncWithCLinkage cannot be templated itself.
-// Consequently, it cannot select a correct instantiation of ThreadWithParam
-// in order to call its Run(). Introducing ThreadWithParamBase as a
-// non-templated base class for ThreadWithParam allows us to bypass this
-// problem.
-class ThreadWithParamBase {
- public:
-  virtual ~ThreadWithParamBase() {}
-  virtual void Run() = 0;
-};
-
-// pthread_create() accepts a pointer to a function type with the C linkage.
-// According to the Standard (7.5/1), function types with different linkages
-// are different even if they are otherwise identical.  Some compilers (for
-// example, SunStudio) treat them as different types.  Since class methods
-// cannot be defined with C-linkage we need to define a free C-function to
-// pass into pthread_create().
-extern "C" inline void* ThreadFuncWithCLinkage(void* thread) {
-  static_cast<ThreadWithParamBase*>(thread)->Run();
-  return nullptr;
-}
-
-// Helper class for testing Google Test's multi-threading constructs.
-// To use it, write:
-//
-//   void ThreadFunc(int param) { /* Do things with param */ }
-//   Notification thread_can_start;
-//   ...
-//   // The thread_can_start parameter is optional; you can supply NULL.
-//   ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start);
-//   thread_can_start.Notify();
-//
-// These classes are only for testing Google Test's own constructs. Do
-// not use them in user tests, either directly or indirectly.
-template <typename T>
-class ThreadWithParam : public ThreadWithParamBase {
- public:
-  typedef void UserThreadFunc(T);
-
-  ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start)
-      : func_(func),
-        param_(param),
-        thread_can_start_(thread_can_start),
-        finished_(false) {
-    ThreadWithParamBase* const base = this;
-    // The thread can be created only after all fields except thread_
-    // have been initialized.
-    GTEST_CHECK_POSIX_SUCCESS_(
-        pthread_create(&thread_, nullptr, &ThreadFuncWithCLinkage, base));
-  }
-  ~ThreadWithParam() override { Join(); }
-
-  void Join() {
-    if (!finished_) {
-      GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, nullptr));
-      finished_ = true;
-    }
-  }
-
-  void Run() override {
-    if (thread_can_start_ != nullptr) thread_can_start_->WaitForNotification();
-    func_(param_);
-  }
-
- private:
-  UserThreadFunc* const func_;  // User-supplied thread function.
-  const T param_;  // User-supplied parameter to the thread function.
-  // When non-NULL, used to block execution until the controller thread
-  // notifies.
-  Notification* const thread_can_start_;
-  bool finished_;  // true if and only if we know that the thread function has
-                   // finished.
-  pthread_t thread_;  // The native thread object.
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam);
-};
-# endif  // !GTEST_OS_WINDOWS && GTEST_HAS_PTHREAD ||
-         // GTEST_HAS_MUTEX_AND_THREAD_LOCAL_
-
-# if GTEST_HAS_MUTEX_AND_THREAD_LOCAL_
-// Mutex and ThreadLocal have already been imported into the namespace.
-// Nothing to do here.
-
-# elif GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT
-
-// Mutex implements mutex on Windows platforms.  It is used in conjunction
-// with class MutexLock:
-//
-//   Mutex mutex;
-//   ...
-//   MutexLock lock(&mutex);  // Acquires the mutex and releases it at the
-//                            // end of the current scope.
-//
-// A static Mutex *must* be defined or declared using one of the following
-// macros:
-//   GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex);
-//   GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex);
-//
-// (A non-static Mutex is defined/declared in the usual way).
-class GTEST_API_ Mutex {
- public:
-  enum MutexType { kStatic = 0, kDynamic = 1 };
-  // We rely on kStaticMutex being 0 as it is to what the linker initializes
-  // type_ in static mutexes.  critical_section_ will be initialized lazily
-  // in ThreadSafeLazyInit().
-  enum StaticConstructorSelector { kStaticMutex = 0 };
-
-  // This constructor intentionally does nothing.  It relies on type_ being
-  // statically initialized to 0 (effectively setting it to kStatic) and on
-  // ThreadSafeLazyInit() to lazily initialize the rest of the members.
-  explicit Mutex(StaticConstructorSelector /*dummy*/) {}
-
-  Mutex();
-  ~Mutex();
-
-  void Lock();
-
-  void Unlock();
-
-  // Does nothing if the current thread holds the mutex. Otherwise, crashes
-  // with high probability.
-  void AssertHeld();
-
- private:
-  // Initializes owner_thread_id_ and critical_section_ in static mutexes.
-  void ThreadSafeLazyInit();
-
-  // Per https://blogs.msdn.microsoft.com/oldnewthing/20040223-00/?p=40503,
-  // we assume that 0 is an invalid value for thread IDs.
-  unsigned int owner_thread_id_;
-
-  // For static mutexes, we rely on these members being initialized to zeros
-  // by the linker.
-  MutexType type_;
-  long critical_section_init_phase_;  // NOLINT
-  GTEST_CRITICAL_SECTION* critical_section_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex);
-};
-
-# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \
-    extern ::testing::internal::Mutex mutex
-
-# define GTEST_DEFINE_STATIC_MUTEX_(mutex) \
-    ::testing::internal::Mutex mutex(::testing::internal::Mutex::kStaticMutex)
-
-// We cannot name this class MutexLock because the ctor declaration would
-// conflict with a macro named MutexLock, which is defined on some
-// platforms. That macro is used as a defensive measure to prevent against
-// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than
-// "MutexLock l(&mu)".  Hence the typedef trick below.
-class GTestMutexLock {
- public:
-  explicit GTestMutexLock(Mutex* mutex)
-      : mutex_(mutex) { mutex_->Lock(); }
-
-  ~GTestMutexLock() { mutex_->Unlock(); }
-
- private:
-  Mutex* const mutex_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock);
-};
-
-typedef GTestMutexLock MutexLock;
-
-// Base class for ValueHolder<T>.  Allows a caller to hold and delete a value
-// without knowing its type.
-class ThreadLocalValueHolderBase {
- public:
-  virtual ~ThreadLocalValueHolderBase() {}
-};
-
-// Provides a way for a thread to send notifications to a ThreadLocal
-// regardless of its parameter type.
-class ThreadLocalBase {
- public:
-  // Creates a new ValueHolder<T> object holding a default value passed to
-  // this ThreadLocal<T>'s constructor and returns it.  It is the caller's
-  // responsibility not to call this when the ThreadLocal<T> instance already
-  // has a value on the current thread.
-  virtual ThreadLocalValueHolderBase* NewValueForCurrentThread() const = 0;
-
- protected:
-  ThreadLocalBase() {}
-  virtual ~ThreadLocalBase() {}
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocalBase);
-};
-
-// Maps a thread to a set of ThreadLocals that have values instantiated on that
-// thread and notifies them when the thread exits.  A ThreadLocal instance is
-// expected to persist until all threads it has values on have terminated.
-class GTEST_API_ ThreadLocalRegistry {
- public:
-  // Registers thread_local_instance as having value on the current thread.
-  // Returns a value that can be used to identify the thread from other threads.
-  static ThreadLocalValueHolderBase* GetValueOnCurrentThread(
-      const ThreadLocalBase* thread_local_instance);
-
-  // Invoked when a ThreadLocal instance is destroyed.
-  static void OnThreadLocalDestroyed(
-      const ThreadLocalBase* thread_local_instance);
-};
-
-class GTEST_API_ ThreadWithParamBase {
- public:
-  void Join();
-
- protected:
-  class Runnable {
-   public:
-    virtual ~Runnable() {}
-    virtual void Run() = 0;
-  };
-
-  ThreadWithParamBase(Runnable *runnable, Notification* thread_can_start);
-  virtual ~ThreadWithParamBase();
-
- private:
-  AutoHandle thread_;
-};
-
-// Helper class for testing Google Test's multi-threading constructs.
-template <typename T>
-class ThreadWithParam : public ThreadWithParamBase {
- public:
-  typedef void UserThreadFunc(T);
-
-  ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start)
-      : ThreadWithParamBase(new RunnableImpl(func, param), thread_can_start) {
-  }
-  virtual ~ThreadWithParam() {}
-
- private:
-  class RunnableImpl : public Runnable {
-   public:
-    RunnableImpl(UserThreadFunc* func, T param)
-        : func_(func),
-          param_(param) {
-    }
-    virtual ~RunnableImpl() {}
-    virtual void Run() {
-      func_(param_);
-    }
-
-   private:
-    UserThreadFunc* const func_;
-    const T param_;
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(RunnableImpl);
-  };
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam);
-};
-
-// Implements thread-local storage on Windows systems.
-//
-//   // Thread 1
-//   ThreadLocal<int> tl(100);  // 100 is the default value for each thread.
-//
-//   // Thread 2
-//   tl.set(150);  // Changes the value for thread 2 only.
-//   EXPECT_EQ(150, tl.get());
-//
-//   // Thread 1
-//   EXPECT_EQ(100, tl.get());  // In thread 1, tl has the original value.
-//   tl.set(200);
-//   EXPECT_EQ(200, tl.get());
-//
-// The template type argument T must have a public copy constructor.
-// In addition, the default ThreadLocal constructor requires T to have
-// a public default constructor.
-//
-// The users of a TheadLocal instance have to make sure that all but one
-// threads (including the main one) using that instance have exited before
-// destroying it. Otherwise, the per-thread objects managed for them by the
-// ThreadLocal instance are not guaranteed to be destroyed on all platforms.
-//
-// Google Test only uses global ThreadLocal objects.  That means they
-// will die after main() has returned.  Therefore, no per-thread
-// object managed by Google Test will be leaked as long as all threads
-// using Google Test have exited when main() returns.
-template <typename T>
-class ThreadLocal : public ThreadLocalBase {
- public:
-  ThreadLocal() : default_factory_(new DefaultValueHolderFactory()) {}
-  explicit ThreadLocal(const T& value)
-      : default_factory_(new InstanceValueHolderFactory(value)) {}
-
-  ~ThreadLocal() { ThreadLocalRegistry::OnThreadLocalDestroyed(this); }
-
-  T* pointer() { return GetOrCreateValue(); }
-  const T* pointer() const { return GetOrCreateValue(); }
-  const T& get() const { return *pointer(); }
-  void set(const T& value) { *pointer() = value; }
-
- private:
-  // Holds a value of T.  Can be deleted via its base class without the caller
-  // knowing the type of T.
-  class ValueHolder : public ThreadLocalValueHolderBase {
-   public:
-    ValueHolder() : value_() {}
-    explicit ValueHolder(const T& value) : value_(value) {}
-
-    T* pointer() { return &value_; }
-
-   private:
-    T value_;
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder);
-  };
-
-
-  T* GetOrCreateValue() const {
-    return static_cast<ValueHolder*>(
-        ThreadLocalRegistry::GetValueOnCurrentThread(this))->pointer();
-  }
-
-  virtual ThreadLocalValueHolderBase* NewValueForCurrentThread() const {
-    return default_factory_->MakeNewHolder();
-  }
-
-  class ValueHolderFactory {
-   public:
-    ValueHolderFactory() {}
-    virtual ~ValueHolderFactory() {}
-    virtual ValueHolder* MakeNewHolder() const = 0;
-
-   private:
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory);
-  };
-
-  class DefaultValueHolderFactory : public ValueHolderFactory {
-   public:
-    DefaultValueHolderFactory() {}
-    ValueHolder* MakeNewHolder() const override { return new ValueHolder(); }
-
-   private:
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory);
-  };
-
-  class InstanceValueHolderFactory : public ValueHolderFactory {
-   public:
-    explicit InstanceValueHolderFactory(const T& value) : value_(value) {}
-    ValueHolder* MakeNewHolder() const override {
-      return new ValueHolder(value_);
-    }
-
-   private:
-    const T value_;  // The value for each thread.
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory);
-  };
-
-  std::unique_ptr<ValueHolderFactory> default_factory_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal);
-};
-
-# elif GTEST_HAS_PTHREAD
-
-// MutexBase and Mutex implement mutex on pthreads-based platforms.
-class MutexBase {
- public:
-  // Acquires this mutex.
-  void Lock() {
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_));
-    owner_ = pthread_self();
-    has_owner_ = true;
-  }
-
-  // Releases this mutex.
-  void Unlock() {
-    // Since the lock is being released the owner_ field should no longer be
-    // considered valid. We don't protect writing to has_owner_ here, as it's
-    // the caller's responsibility to ensure that the current thread holds the
-    // mutex when this is called.
-    has_owner_ = false;
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_));
-  }
-
-  // Does nothing if the current thread holds the mutex. Otherwise, crashes
-  // with high probability.
-  void AssertHeld() const {
-    GTEST_CHECK_(has_owner_ && pthread_equal(owner_, pthread_self()))
-        << "The current thread is not holding the mutex @" << this;
-  }
-
-  // A static mutex may be used before main() is entered.  It may even
-  // be used before the dynamic initialization stage.  Therefore we
-  // must be able to initialize a static mutex object at link time.
-  // This means MutexBase has to be a POD and its member variables
-  // have to be public.
- public:
-  pthread_mutex_t mutex_;  // The underlying pthread mutex.
-  // has_owner_ indicates whether the owner_ field below contains a valid thread
-  // ID and is therefore safe to inspect (e.g., to use in pthread_equal()). All
-  // accesses to the owner_ field should be protected by a check of this field.
-  // An alternative might be to memset() owner_ to all zeros, but there's no
-  // guarantee that a zero'd pthread_t is necessarily invalid or even different
-  // from pthread_self().
-  bool has_owner_;
-  pthread_t owner_;  // The thread holding the mutex.
-};
-
-// Forward-declares a static mutex.
-#  define GTEST_DECLARE_STATIC_MUTEX_(mutex) \
-     extern ::testing::internal::MutexBase mutex
-
-// Defines and statically (i.e. at link time) initializes a static mutex.
-// The initialization list here does not explicitly initialize each field,
-// instead relying on default initialization for the unspecified fields. In
-// particular, the owner_ field (a pthread_t) is not explicitly initialized.
-// This allows initialization to work whether pthread_t is a scalar or struct.
-// The flag -Wmissing-field-initializers must not be specified for this to work.
-#define GTEST_DEFINE_STATIC_MUTEX_(mutex) \
-  ::testing::internal::MutexBase mutex = {PTHREAD_MUTEX_INITIALIZER, false, 0}
-
-// The Mutex class can only be used for mutexes created at runtime. It
-// shares its API with MutexBase otherwise.
-class Mutex : public MutexBase {
- public:
-  Mutex() {
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, nullptr));
-    has_owner_ = false;
-  }
-  ~Mutex() {
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_));
-  }
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex);
-};
-
-// We cannot name this class MutexLock because the ctor declaration would
-// conflict with a macro named MutexLock, which is defined on some
-// platforms. That macro is used as a defensive measure to prevent against
-// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than
-// "MutexLock l(&mu)".  Hence the typedef trick below.
-class GTestMutexLock {
- public:
-  explicit GTestMutexLock(MutexBase* mutex)
-      : mutex_(mutex) { mutex_->Lock(); }
-
-  ~GTestMutexLock() { mutex_->Unlock(); }
-
- private:
-  MutexBase* const mutex_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock);
-};
-
-typedef GTestMutexLock MutexLock;
-
-// Helpers for ThreadLocal.
-
-// pthread_key_create() requires DeleteThreadLocalValue() to have
-// C-linkage.  Therefore it cannot be templatized to access
-// ThreadLocal<T>.  Hence the need for class
-// ThreadLocalValueHolderBase.
-class ThreadLocalValueHolderBase {
- public:
-  virtual ~ThreadLocalValueHolderBase() {}
-};
-
-// Called by pthread to delete thread-local data stored by
-// pthread_setspecific().
-extern "C" inline void DeleteThreadLocalValue(void* value_holder) {
-  delete static_cast<ThreadLocalValueHolderBase*>(value_holder);
-}
-
-// Implements thread-local storage on pthreads-based systems.
-template <typename T>
-class GTEST_API_ ThreadLocal {
- public:
-  ThreadLocal()
-      : key_(CreateKey()), default_factory_(new DefaultValueHolderFactory()) {}
-  explicit ThreadLocal(const T& value)
-      : key_(CreateKey()),
-        default_factory_(new InstanceValueHolderFactory(value)) {}
-
-  ~ThreadLocal() {
-    // Destroys the managed object for the current thread, if any.
-    DeleteThreadLocalValue(pthread_getspecific(key_));
-
-    // Releases resources associated with the key.  This will *not*
-    // delete managed objects for other threads.
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_));
-  }
-
-  T* pointer() { return GetOrCreateValue(); }
-  const T* pointer() const { return GetOrCreateValue(); }
-  const T& get() const { return *pointer(); }
-  void set(const T& value) { *pointer() = value; }
-
- private:
-  // Holds a value of type T.
-  class ValueHolder : public ThreadLocalValueHolderBase {
-   public:
-    ValueHolder() : value_() {}
-    explicit ValueHolder(const T& value) : value_(value) {}
-
-    T* pointer() { return &value_; }
-
-   private:
-    T value_;
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder);
-  };
-
-  static pthread_key_t CreateKey() {
-    pthread_key_t key;
-    // When a thread exits, DeleteThreadLocalValue() will be called on
-    // the object managed for that thread.
-    GTEST_CHECK_POSIX_SUCCESS_(
-        pthread_key_create(&key, &DeleteThreadLocalValue));
-    return key;
-  }
-
-  T* GetOrCreateValue() const {
-    ThreadLocalValueHolderBase* const holder =
-        static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_));
-    if (holder != nullptr) {
-      return CheckedDowncastToActualType<ValueHolder>(holder)->pointer();
-    }
-
-    ValueHolder* const new_holder = default_factory_->MakeNewHolder();
-    ThreadLocalValueHolderBase* const holder_base = new_holder;
-    GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base));
-    return new_holder->pointer();
-  }
-
-  class ValueHolderFactory {
-   public:
-    ValueHolderFactory() {}
-    virtual ~ValueHolderFactory() {}
-    virtual ValueHolder* MakeNewHolder() const = 0;
-
-   private:
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory);
-  };
-
-  class DefaultValueHolderFactory : public ValueHolderFactory {
-   public:
-    DefaultValueHolderFactory() {}
-    ValueHolder* MakeNewHolder() const override { return new ValueHolder(); }
-
-   private:
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory);
-  };
-
-  class InstanceValueHolderFactory : public ValueHolderFactory {
-   public:
-    explicit InstanceValueHolderFactory(const T& value) : value_(value) {}
-    ValueHolder* MakeNewHolder() const override {
-      return new ValueHolder(value_);
-    }
-
-   private:
-    const T value_;  // The value for each thread.
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory);
-  };
-
-  // A key pthreads uses for looking up per-thread values.
-  const pthread_key_t key_;
-  std::unique_ptr<ValueHolderFactory> default_factory_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal);
-};
-
-# endif  // GTEST_HAS_MUTEX_AND_THREAD_LOCAL_
-
-#else  // GTEST_IS_THREADSAFE
-
-// A dummy implementation of synchronization primitives (mutex, lock,
-// and thread-local variable).  Necessary for compiling Google Test where
-// mutex is not supported - using Google Test in multiple threads is not
-// supported on such platforms.
-
-class Mutex {
- public:
-  Mutex() {}
-  void Lock() {}
-  void Unlock() {}
-  void AssertHeld() const {}
-};
-
-# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \
-  extern ::testing::internal::Mutex mutex
-
-# define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex
-
-// We cannot name this class MutexLock because the ctor declaration would
-// conflict with a macro named MutexLock, which is defined on some
-// platforms. That macro is used as a defensive measure to prevent against
-// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than
-// "MutexLock l(&mu)".  Hence the typedef trick below.
-class GTestMutexLock {
- public:
-  explicit GTestMutexLock(Mutex*) {}  // NOLINT
-};
-
-typedef GTestMutexLock MutexLock;
-
-template <typename T>
-class GTEST_API_ ThreadLocal {
- public:
-  ThreadLocal() : value_() {}
-  explicit ThreadLocal(const T& value) : value_(value) {}
-  T* pointer() { return &value_; }
-  const T* pointer() const { return &value_; }
-  const T& get() const { return value_; }
-  void set(const T& value) { value_ = value; }
- private:
-  T value_;
-};
-
-#endif  // GTEST_IS_THREADSAFE
-
-// Returns the number of threads running in the process, or 0 to indicate that
-// we cannot detect it.
-GTEST_API_ size_t GetThreadCount();
-
-#if GTEST_OS_WINDOWS
-# define GTEST_PATH_SEP_ "\\"
-# define GTEST_HAS_ALT_PATH_SEP_ 1
-#else
-# define GTEST_PATH_SEP_ "/"
-# define GTEST_HAS_ALT_PATH_SEP_ 0
-#endif  // GTEST_OS_WINDOWS
-
-// Utilities for char.
-
-// isspace(int ch) and friends accept an unsigned char or EOF.  char
-// may be signed, depending on the compiler (or compiler flags).
-// Therefore we need to cast a char to unsigned char before calling
-// isspace(), etc.
-
-inline bool IsAlpha(char ch) {
-  return isalpha(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsAlNum(char ch) {
-  return isalnum(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsDigit(char ch) {
-  return isdigit(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsLower(char ch) {
-  return islower(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsSpace(char ch) {
-  return isspace(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsUpper(char ch) {
-  return isupper(static_cast<unsigned char>(ch)) != 0;
-}
-inline bool IsXDigit(char ch) {
-  return isxdigit(static_cast<unsigned char>(ch)) != 0;
-}
-#ifdef __cpp_char8_t
-inline bool IsXDigit(char8_t ch) {
-  return isxdigit(static_cast<unsigned char>(ch)) != 0;
-}
-#endif
-inline bool IsXDigit(char16_t ch) {
-  const unsigned char low_byte = static_cast<unsigned char>(ch);
-  return ch == low_byte && isxdigit(low_byte) != 0;
-}
-inline bool IsXDigit(char32_t ch) {
-  const unsigned char low_byte = static_cast<unsigned char>(ch);
-  return ch == low_byte && isxdigit(low_byte) != 0;
-}
-inline bool IsXDigit(wchar_t ch) {
-  const unsigned char low_byte = static_cast<unsigned char>(ch);
-  return ch == low_byte && isxdigit(low_byte) != 0;
-}
-
-inline char ToLower(char ch) {
-  return static_cast<char>(tolower(static_cast<unsigned char>(ch)));
-}
-inline char ToUpper(char ch) {
-  return static_cast<char>(toupper(static_cast<unsigned char>(ch)));
-}
-
-inline std::string StripTrailingSpaces(std::string str) {
-  std::string::iterator it = str.end();
-  while (it != str.begin() && IsSpace(*--it))
-    it = str.erase(it);
-  return str;
-}
-
-// The testing::internal::posix namespace holds wrappers for common
-// POSIX functions.  These wrappers hide the differences between
-// Windows/MSVC and POSIX systems.  Since some compilers define these
-// standard functions as macros, the wrapper cannot have the same name
-// as the wrapped function.
-
-namespace posix {
-
-// Functions with a different name on Windows.
-
-#if GTEST_OS_WINDOWS
-
-typedef struct _stat StatStruct;
-
-# ifdef __BORLANDC__
-inline int DoIsATTY(int fd) { return isatty(fd); }
-inline int StrCaseCmp(const char* s1, const char* s2) {
-  return stricmp(s1, s2);
-}
-inline char* StrDup(const char* src) { return strdup(src); }
-# else  // !__BORLANDC__
-#  if GTEST_OS_WINDOWS_MOBILE
-inline int DoIsATTY(int /* fd */) { return 0; }
-#  else
-inline int DoIsATTY(int fd) { return _isatty(fd); }
-#  endif  // GTEST_OS_WINDOWS_MOBILE
-inline int StrCaseCmp(const char* s1, const char* s2) {
-  return _stricmp(s1, s2);
-}
-inline char* StrDup(const char* src) { return _strdup(src); }
-# endif  // __BORLANDC__
-
-# if GTEST_OS_WINDOWS_MOBILE
-inline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); }
-// Stat(), RmDir(), and IsDir() are not needed on Windows CE at this
-// time and thus not defined there.
-# else
-inline int FileNo(FILE* file) { return _fileno(file); }
-inline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); }
-inline int RmDir(const char* dir) { return _rmdir(dir); }
-inline bool IsDir(const StatStruct& st) {
-  return (_S_IFDIR & st.st_mode) != 0;
-}
-# endif  // GTEST_OS_WINDOWS_MOBILE
-
-#elif GTEST_OS_ESP8266
-typedef struct stat StatStruct;
-
-inline int FileNo(FILE* file) { return fileno(file); }
-inline int DoIsATTY(int fd) { return isatty(fd); }
-inline int Stat(const char* path, StatStruct* buf) {
-  // stat function not implemented on ESP8266
-  return 0;
-}
-inline int StrCaseCmp(const char* s1, const char* s2) {
-  return strcasecmp(s1, s2);
-}
-inline char* StrDup(const char* src) { return strdup(src); }
-inline int RmDir(const char* dir) { return rmdir(dir); }
-inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); }
-
-#else
-
-typedef struct stat StatStruct;
-
-inline int FileNo(FILE* file) { return fileno(file); }
-inline int DoIsATTY(int fd) { return isatty(fd); }
-inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); }
-inline int StrCaseCmp(const char* s1, const char* s2) {
-  return strcasecmp(s1, s2);
-}
-inline char* StrDup(const char* src) { return strdup(src); }
-inline int RmDir(const char* dir) { return rmdir(dir); }
-inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); }
-
-#endif  // GTEST_OS_WINDOWS
-
-inline int IsATTY(int fd) {
-  // DoIsATTY might change errno (for example ENOTTY in case you redirect stdout
-  // to a file on Linux), which is unexpected, so save the previous value, and
-  // restore it after the call.
-  int savedErrno = errno;
-  int isAttyValue = DoIsATTY(fd);
-  errno = savedErrno;
-
-  return isAttyValue;
-}
-
-// Functions deprecated by MSVC 8.0.
-
-GTEST_DISABLE_MSC_DEPRECATED_PUSH_()
-
-// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and
-// StrError() aren't needed on Windows CE at this time and thus not
-// defined there.
-
-#if !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_WINDOWS_PHONE && \
-    !GTEST_OS_WINDOWS_RT && !GTEST_OS_ESP8266 && !GTEST_OS_XTENSA
-inline int ChDir(const char* dir) { return chdir(dir); }
-#endif
-inline FILE* FOpen(const char* path, const char* mode) {
-#if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MINGW
-  struct wchar_codecvt : public std::codecvt<wchar_t, char, std::mbstate_t> {};
-  std::wstring_convert<wchar_codecvt> converter;
-  std::wstring wide_path = converter.from_bytes(path);
-  std::wstring wide_mode = converter.from_bytes(mode);
-  return _wfopen(wide_path.c_str(), wide_mode.c_str());
-#else  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MINGW
-  return fopen(path, mode);
-#endif  // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MINGW
-}
-#if !GTEST_OS_WINDOWS_MOBILE
-inline FILE *FReopen(const char* path, const char* mode, FILE* stream) {
-  return freopen(path, mode, stream);
-}
-inline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); }
-#endif
-inline int FClose(FILE* fp) { return fclose(fp); }
-#if !GTEST_OS_WINDOWS_MOBILE
-inline int Read(int fd, void* buf, unsigned int count) {
-  return static_cast<int>(read(fd, buf, count));
-}
-inline int Write(int fd, const void* buf, unsigned int count) {
-  return static_cast<int>(write(fd, buf, count));
-}
-inline int Close(int fd) { return close(fd); }
-inline const char* StrError(int errnum) { return strerror(errnum); }
-#endif
-inline const char* GetEnv(const char* name) {
-#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || \
-    GTEST_OS_WINDOWS_RT || GTEST_OS_ESP8266 || GTEST_OS_XTENSA
-  // We are on an embedded platform, which has no environment variables.
-  static_cast<void>(name);  // To prevent 'unused argument' warning.
-  return nullptr;
-#elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9)
-  // Environment variables which we programmatically clear will be set to the
-  // empty string rather than unset (NULL).  Handle that case.
-  const char* const env = getenv(name);
-  return (env != nullptr && env[0] != '\0') ? env : nullptr;
-#else
-  return getenv(name);
-#endif
-}
-
-GTEST_DISABLE_MSC_DEPRECATED_POP_()
-
-#if GTEST_OS_WINDOWS_MOBILE
-// Windows CE has no C library. The abort() function is used in
-// several places in Google Test. This implementation provides a reasonable
-// imitation of standard behaviour.
-[[noreturn]] void Abort();
-#else
-[[noreturn]] inline void Abort() { abort(); }
-#endif  // GTEST_OS_WINDOWS_MOBILE
-
-}  // namespace posix
-
-// MSVC "deprecates" snprintf and issues warnings wherever it is used.  In
-// order to avoid these warnings, we need to use _snprintf or _snprintf_s on
-// MSVC-based platforms.  We map the GTEST_SNPRINTF_ macro to the appropriate
-// function in order to achieve that.  We use macro definition here because
-// snprintf is a variadic function.
-#if _MSC_VER && !GTEST_OS_WINDOWS_MOBILE
-// MSVC 2005 and above support variadic macros.
-# define GTEST_SNPRINTF_(buffer, size, format, ...) \
-     _snprintf_s(buffer, size, size, format, __VA_ARGS__)
-#elif defined(_MSC_VER)
-// Windows CE does not define _snprintf_s
-# define GTEST_SNPRINTF_ _snprintf
-#else
-# define GTEST_SNPRINTF_ snprintf
-#endif
-
-// The biggest signed integer type the compiler supports.
-//
-// long long is guaranteed to be at least 64-bits in C++11.
-using BiggestInt = long long;  // NOLINT
-
-// The maximum number a BiggestInt can represent.
-constexpr BiggestInt kMaxBiggestInt = (std::numeric_limits<BiggestInt>::max)();
-
-// This template class serves as a compile-time function from size to
-// type.  It maps a size in bytes to a primitive type with that
-// size. e.g.
-//
-//   TypeWithSize<4>::UInt
-//
-// is typedef-ed to be unsigned int (unsigned integer made up of 4
-// bytes).
-//
-// Such functionality should belong to STL, but I cannot find it
-// there.
-//
-// Google Test uses this class in the implementation of floating-point
-// comparison.
-//
-// For now it only handles UInt (unsigned int) as that's all Google Test
-// needs.  Other types can be easily added in the future if need
-// arises.
-template <size_t size>
-class TypeWithSize {
- public:
-  // This prevents the user from using TypeWithSize<N> with incorrect
-  // values of N.
-  using UInt = void;
-};
-
-// The specialization for size 4.
-template <>
-class TypeWithSize<4> {
- public:
-  using Int = std::int32_t;
-  using UInt = std::uint32_t;
-};
-
-// The specialization for size 8.
-template <>
-class TypeWithSize<8> {
- public:
-  using Int = std::int64_t;
-  using UInt = std::uint64_t;
-};
-
-// Integer types of known sizes.
-using TimeInMillis = int64_t;  // Represents time in milliseconds.
-
-// Utilities for command line flags and environment variables.
-
-// Macro for referencing flags.
-#if !defined(GTEST_FLAG)
-# define GTEST_FLAG(name) FLAGS_gtest_##name
-#endif  // !defined(GTEST_FLAG)
-
-#if !defined(GTEST_USE_OWN_FLAGFILE_FLAG_)
-# define GTEST_USE_OWN_FLAGFILE_FLAG_ 1
-#endif  // !defined(GTEST_USE_OWN_FLAGFILE_FLAG_)
-
-#if !defined(GTEST_DECLARE_bool_)
-# define GTEST_FLAG_SAVER_ ::testing::internal::GTestFlagSaver
-
-// Macros for declaring flags.
-# define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name)
-# define GTEST_DECLARE_int32_(name) \
-    GTEST_API_ extern std::int32_t GTEST_FLAG(name)
-# define GTEST_DECLARE_string_(name) \
-    GTEST_API_ extern ::std::string GTEST_FLAG(name)
-
-// Macros for defining flags.
-# define GTEST_DEFINE_bool_(name, default_val, doc) \
-    GTEST_API_ bool GTEST_FLAG(name) = (default_val)
-# define GTEST_DEFINE_int32_(name, default_val, doc) \
-    GTEST_API_ std::int32_t GTEST_FLAG(name) = (default_val)
-# define GTEST_DEFINE_string_(name, default_val, doc) \
-    GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val)
-
-#endif  // !defined(GTEST_DECLARE_bool_)
-
-// Thread annotations
-#if !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_)
-# define GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks)
-# define GTEST_LOCK_EXCLUDED_(locks)
-#endif  // !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_)
-
-// Parses 'str' for a 32-bit signed integer.  If successful, writes the result
-// to *value and returns true; otherwise leaves *value unchanged and returns
-// false.
-GTEST_API_ bool ParseInt32(const Message& src_text, const char* str,
-                           int32_t* value);
-
-// Parses a bool/int32_t/string from the environment variable
-// corresponding to the given Google Test flag.
-bool BoolFromGTestEnv(const char* flag, bool default_val);
-GTEST_API_ int32_t Int32FromGTestEnv(const char* flag, int32_t default_val);
-std::string OutputFlagAlsoCheckEnvVar();
-const char* StringFromGTestEnv(const char* flag, const char* default_val);
-
-}  // namespace internal
-}  // namespace testing
-
-#if !defined(GTEST_INTERNAL_DEPRECATED)
-
-// Internal Macro to mark an API deprecated, for googletest usage only
-// Usage: class GTEST_INTERNAL_DEPRECATED(message) MyClass or
-// GTEST_INTERNAL_DEPRECATED(message) <return_type> myFunction(); Every usage of
-// a deprecated entity will trigger a warning when compiled with
-// `-Wdeprecated-declarations` option (clang, gcc, any __GNUC__ compiler).
-// For msvc /W3 option will need to be used
-// Note that for 'other' compilers this macro evaluates to nothing to prevent
-// compilations errors.
-#if defined(_MSC_VER)
-#define GTEST_INTERNAL_DEPRECATED(message) __declspec(deprecated(message))
-#elif defined(__GNUC__)
-#define GTEST_INTERNAL_DEPRECATED(message) __attribute__((deprecated(message)))
-#else
-#define GTEST_INTERNAL_DEPRECATED(message)
-#endif
-
-#endif  // !defined(GTEST_INTERNAL_DEPRECATED)
-
-#if GTEST_HAS_ABSL
-// Always use absl::any for UniversalPrinter<> specializations if googletest
-// is built with absl support.
-#define GTEST_INTERNAL_HAS_ANY 1
-#include "absl/types/any.h"
-namespace testing {
-namespace internal {
-using Any = ::absl::any;
-}  // namespace internal
-}  // namespace testing
-#else
-#ifdef __has_include
-#if __has_include(<any>) && __cplusplus >= 201703L
-// Otherwise for C++17 and higher use std::any for UniversalPrinter<>
-// specializations.
-#define GTEST_INTERNAL_HAS_ANY 1
-#include <any>
-namespace testing {
-namespace internal {
-using Any = ::std::any;
-}  // namespace internal
-}  // namespace testing
-// The case where absl is configured NOT to alias std::any is not
-// supported.
-#endif  // __has_include(<any>) && __cplusplus >= 201703L
-#endif  // __has_include
-#endif  // GTEST_HAS_ABSL
-
-#if GTEST_HAS_ABSL
-// Always use absl::optional for UniversalPrinter<> specializations if
-// googletest is built with absl support.
-#define GTEST_INTERNAL_HAS_OPTIONAL 1
-#include "absl/types/optional.h"
-namespace testing {
-namespace internal {
-template <typename T>
-using Optional = ::absl::optional<T>;
-}  // namespace internal
-}  // namespace testing
-#else
-#ifdef __has_include
-#if __has_include(<optional>) && __cplusplus >= 201703L
-// Otherwise for C++17 and higher use std::optional for UniversalPrinter<>
-// specializations.
-#define GTEST_INTERNAL_HAS_OPTIONAL 1
-#include <optional>
-namespace testing {
-namespace internal {
-template <typename T>
-using Optional = ::std::optional<T>;
-}  // namespace internal
-}  // namespace testing
-// The case where absl is configured NOT to alias std::optional is not
-// supported.
-#endif  // __has_include(<optional>) && __cplusplus >= 201703L
-#endif  // __has_include
-#endif  // GTEST_HAS_ABSL
-
-#if GTEST_HAS_ABSL
-// Always use absl::string_view for Matcher<> specializations if googletest
-// is built with absl support.
-# define GTEST_INTERNAL_HAS_STRING_VIEW 1
-#include "absl/strings/string_view.h"
-namespace testing {
-namespace internal {
-using StringView = ::absl::string_view;
-}  // namespace internal
-}  // namespace testing
-#else
-# ifdef __has_include
-#   if __has_include(<string_view>) && __cplusplus >= 201703L
-// Otherwise for C++17 and higher use std::string_view for Matcher<>
-// specializations.
-#   define GTEST_INTERNAL_HAS_STRING_VIEW 1
-#include <string_view>
-namespace testing {
-namespace internal {
-using StringView = ::std::string_view;
-}  // namespace internal
-}  // namespace testing
-// The case where absl is configured NOT to alias std::string_view is not
-// supported.
-#  endif  // __has_include(<string_view>) && __cplusplus >= 201703L
-# endif  // __has_include
-#endif  // GTEST_HAS_ABSL
-
-#if GTEST_HAS_ABSL
-// Always use absl::variant for UniversalPrinter<> specializations if googletest
-// is built with absl support.
-#define GTEST_INTERNAL_HAS_VARIANT 1
-#include "absl/types/variant.h"
-namespace testing {
-namespace internal {
-template <typename... T>
-using Variant = ::absl::variant<T...>;
-}  // namespace internal
-}  // namespace testing
-#else
-#ifdef __has_include
-#if __has_include(<variant>) && __cplusplus >= 201703L
-// Otherwise for C++17 and higher use std::variant for UniversalPrinter<>
-// specializations.
-#define GTEST_INTERNAL_HAS_VARIANT 1
-#include <variant>
-namespace testing {
-namespace internal {
-template <typename... T>
-using Variant = ::std::variant<T...>;
-}  // namespace internal
-}  // namespace testing
-// The case where absl is configured NOT to alias std::variant is not supported.
-#endif  // __has_include(<variant>) && __cplusplus >= 201703L
-#endif  // __has_include
-#endif  // GTEST_HAS_ABSL
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
-
-#if GTEST_OS_LINUX
-# include <stdlib.h>
-# include <sys/types.h>
-# include <sys/wait.h>
-# include <unistd.h>
-#endif  // GTEST_OS_LINUX
-
-#if GTEST_HAS_EXCEPTIONS
-# include <stdexcept>
-#endif
-
-#include <ctype.h>
-#include <float.h>
-#include <string.h>
-#include <cstdint>
-#include <iomanip>
-#include <limits>
-#include <map>
-#include <set>
-#include <string>
-#include <type_traits>
-#include <vector>
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file defines the Message class.
-//
-// IMPORTANT NOTE: Due to limitation of the C++ language, we have to
-// leave some internal implementation details in this header file.
-// They are clearly marked by comments like this:
-//
-//   // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-//
-// Such code is NOT meant to be used by a user directly, and is subject
-// to CHANGE WITHOUT NOTICE.  Therefore DO NOT DEPEND ON IT in a user
-// program!
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_MESSAGE_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_MESSAGE_H_
-
-#include <limits>
-#include <memory>
-#include <sstream>
-
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-// Ensures that there is at least one operator<< in the global namespace.
-// See Message& operator<<(...) below for why.
-void operator<<(const testing::internal::Secret&, int);
-
-namespace testing {
-
-// The Message class works like an ostream repeater.
-//
-// Typical usage:
-//
-//   1. You stream a bunch of values to a Message object.
-//      It will remember the text in a stringstream.
-//   2. Then you stream the Message object to an ostream.
-//      This causes the text in the Message to be streamed
-//      to the ostream.
-//
-// For example;
-//
-//   testing::Message foo;
-//   foo << 1 << " != " << 2;
-//   std::cout << foo;
-//
-// will print "1 != 2".
-//
-// Message is not intended to be inherited from.  In particular, its
-// destructor is not virtual.
-//
-// Note that stringstream behaves differently in gcc and in MSVC.  You
-// can stream a NULL char pointer to it in the former, but not in the
-// latter (it causes an access violation if you do).  The Message
-// class hides this difference by treating a NULL char pointer as
-// "(null)".
-class GTEST_API_ Message {
- private:
-  // The type of basic IO manipulators (endl, ends, and flush) for
-  // narrow streams.
-  typedef std::ostream& (*BasicNarrowIoManip)(std::ostream&);
-
- public:
-  // Constructs an empty Message.
-  Message();
-
-  // Copy constructor.
-  Message(const Message& msg) : ss_(new ::std::stringstream) {  // NOLINT
-    *ss_ << msg.GetString();
-  }
-
-  // Constructs a Message from a C-string.
-  explicit Message(const char* str) : ss_(new ::std::stringstream) {
-    *ss_ << str;
-  }
-
-  // Streams a non-pointer value to this object.
-  template <typename T>
-  inline Message& operator <<(const T& val) {
-    // Some libraries overload << for STL containers.  These
-    // overloads are defined in the global namespace instead of ::std.
-    //
-    // C++'s symbol lookup rule (i.e. Koenig lookup) says that these
-    // overloads are visible in either the std namespace or the global
-    // namespace, but not other namespaces, including the testing
-    // namespace which Google Test's Message class is in.
-    //
-    // To allow STL containers (and other types that has a << operator
-    // defined in the global namespace) to be used in Google Test
-    // assertions, testing::Message must access the custom << operator
-    // from the global namespace.  With this using declaration,
-    // overloads of << defined in the global namespace and those
-    // visible via Koenig lookup are both exposed in this function.
-    using ::operator <<;
-    *ss_ << val;
-    return *this;
-  }
-
-  // Streams a pointer value to this object.
-  //
-  // This function is an overload of the previous one.  When you
-  // stream a pointer to a Message, this definition will be used as it
-  // is more specialized.  (The C++ Standard, section
-  // [temp.func.order].)  If you stream a non-pointer, then the
-  // previous definition will be used.
-  //
-  // The reason for this overload is that streaming a NULL pointer to
-  // ostream is undefined behavior.  Depending on the compiler, you
-  // may get "0", "(nil)", "(null)", or an access violation.  To
-  // ensure consistent result across compilers, we always treat NULL
-  // as "(null)".
-  template <typename T>
-  inline Message& operator <<(T* const& pointer) {  // NOLINT
-    if (pointer == nullptr) {
-      *ss_ << "(null)";
-    } else {
-      *ss_ << pointer;
-    }
-    return *this;
-  }
-
-  // Since the basic IO manipulators are overloaded for both narrow
-  // and wide streams, we have to provide this specialized definition
-  // of operator <<, even though its body is the same as the
-  // templatized version above.  Without this definition, streaming
-  // endl or other basic IO manipulators to Message will confuse the
-  // compiler.
-  Message& operator <<(BasicNarrowIoManip val) {
-    *ss_ << val;
-    return *this;
-  }
-
-  // Instead of 1/0, we want to see true/false for bool values.
-  Message& operator <<(bool b) {
-    return *this << (b ? "true" : "false");
-  }
-
-  // These two overloads allow streaming a wide C string to a Message
-  // using the UTF-8 encoding.
-  Message& operator <<(const wchar_t* wide_c_str);
-  Message& operator <<(wchar_t* wide_c_str);
-
-#if GTEST_HAS_STD_WSTRING
-  // Converts the given wide string to a narrow string using the UTF-8
-  // encoding, and streams the result to this Message object.
-  Message& operator <<(const ::std::wstring& wstr);
-#endif  // GTEST_HAS_STD_WSTRING
-
-  // Gets the text streamed to this object so far as an std::string.
-  // Each '\0' character in the buffer is replaced with "\\0".
-  //
-  // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-  std::string GetString() const;
-
- private:
-  // We'll hold the text streamed to this object here.
-  const std::unique_ptr< ::std::stringstream> ss_;
-
-  // We declare (but don't implement) this to prevent the compiler
-  // from implementing the assignment operator.
-  void operator=(const Message&);
-};
-
-// Streams a Message to an ostream.
-inline std::ostream& operator <<(std::ostream& os, const Message& sb) {
-  return os << sb.GetString();
-}
-
-namespace internal {
-
-// Converts a streamable value to an std::string.  A NULL pointer is
-// converted to "(null)".  When the input value is a ::string,
-// ::std::string, ::wstring, or ::std::wstring object, each NUL
-// character in it is replaced with "\\0".
-template <typename T>
-std::string StreamableToString(const T& streamable) {
-  return (Message() << streamable).GetString();
-}
-
-}  // namespace internal
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_MESSAGE_H_
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Google Test filepath utilities
-//
-// This header file declares classes and functions used internally by
-// Google Test.  They are subject to change without notice.
-//
-// This file is #included in gtest/internal/gtest-internal.h.
-// Do not include this header file separately!
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file declares the String class and functions used internally by
-// Google Test.  They are subject to change without notice. They should not used
-// by code external to Google Test.
-//
-// This header file is #included by gtest-internal.h.
-// It should not be #included by other files.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
-
-#ifdef __BORLANDC__
-// string.h is not guaranteed to provide strcpy on C++ Builder.
-# include <mem.h>
-#endif
-
-#include <string.h>
-#include <cstdint>
-#include <string>
-
-
-namespace testing {
-namespace internal {
-
-// String - an abstract class holding static string utilities.
-class GTEST_API_ String {
- public:
-  // Static utility methods
-
-  // Clones a 0-terminated C string, allocating memory using new.  The
-  // caller is responsible for deleting the return value using
-  // delete[].  Returns the cloned string, or NULL if the input is
-  // NULL.
-  //
-  // This is different from strdup() in string.h, which allocates
-  // memory using malloc().
-  static const char* CloneCString(const char* c_str);
-
-#if GTEST_OS_WINDOWS_MOBILE
-  // Windows CE does not have the 'ANSI' versions of Win32 APIs. To be
-  // able to pass strings to Win32 APIs on CE we need to convert them
-  // to 'Unicode', UTF-16.
-
-  // Creates a UTF-16 wide string from the given ANSI string, allocating
-  // memory using new. The caller is responsible for deleting the return
-  // value using delete[]. Returns the wide string, or NULL if the
-  // input is NULL.
-  //
-  // The wide string is created using the ANSI codepage (CP_ACP) to
-  // match the behaviour of the ANSI versions of Win32 calls and the
-  // C runtime.
-  static LPCWSTR AnsiToUtf16(const char* c_str);
-
-  // Creates an ANSI string from the given wide string, allocating
-  // memory using new. The caller is responsible for deleting the return
-  // value using delete[]. Returns the ANSI string, or NULL if the
-  // input is NULL.
-  //
-  // The returned string is created using the ANSI codepage (CP_ACP) to
-  // match the behaviour of the ANSI versions of Win32 calls and the
-  // C runtime.
-  static const char* Utf16ToAnsi(LPCWSTR utf16_str);
-#endif
-
-  // Compares two C strings.  Returns true if and only if they have the same
-  // content.
-  //
-  // Unlike strcmp(), this function can handle NULL argument(s).  A
-  // NULL C string is considered different to any non-NULL C string,
-  // including the empty string.
-  static bool CStringEquals(const char* lhs, const char* rhs);
-
-  // Converts a wide C string to a String using the UTF-8 encoding.
-  // NULL will be converted to "(null)".  If an error occurred during
-  // the conversion, "(failed to convert from wide string)" is
-  // returned.
-  static std::string ShowWideCString(const wchar_t* wide_c_str);
-
-  // Compares two wide C strings.  Returns true if and only if they have the
-  // same content.
-  //
-  // Unlike wcscmp(), this function can handle NULL argument(s).  A
-  // NULL C string is considered different to any non-NULL C string,
-  // including the empty string.
-  static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs);
-
-  // Compares two C strings, ignoring case.  Returns true if and only if
-  // they have the same content.
-  //
-  // Unlike strcasecmp(), this function can handle NULL argument(s).
-  // A NULL C string is considered different to any non-NULL C string,
-  // including the empty string.
-  static bool CaseInsensitiveCStringEquals(const char* lhs,
-                                           const char* rhs);
-
-  // Compares two wide C strings, ignoring case.  Returns true if and only if
-  // they have the same content.
-  //
-  // Unlike wcscasecmp(), this function can handle NULL argument(s).
-  // A NULL C string is considered different to any non-NULL wide C string,
-  // including the empty string.
-  // NB: The implementations on different platforms slightly differ.
-  // On windows, this method uses _wcsicmp which compares according to LC_CTYPE
-  // environment variable. On GNU platform this method uses wcscasecmp
-  // which compares according to LC_CTYPE category of the current locale.
-  // On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
-  // current locale.
-  static bool CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
-                                               const wchar_t* rhs);
-
-  // Returns true if and only if the given string ends with the given suffix,
-  // ignoring case. Any string is considered to end with an empty suffix.
-  static bool EndsWithCaseInsensitive(
-      const std::string& str, const std::string& suffix);
-
-  // Formats an int value as "%02d".
-  static std::string FormatIntWidth2(int value);  // "%02d" for width == 2
-
-  // Formats an int value to given width with leading zeros.
-  static std::string FormatIntWidthN(int value, int width);
-
-  // Formats an int value as "%X".
-  static std::string FormatHexInt(int value);
-
-  // Formats an int value as "%X".
-  static std::string FormatHexUInt32(uint32_t value);
-
-  // Formats a byte as "%02X".
-  static std::string FormatByte(unsigned char value);
-
- private:
-  String();  // Not meant to be instantiated.
-};  // class String
-
-// Gets the content of the stringstream's buffer as an std::string.  Each '\0'
-// character in the buffer is replaced with "\\0".
-GTEST_API_ std::string StringStreamToString(::std::stringstream* stream);
-
-}  // namespace internal
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-namespace internal {
-
-// FilePath - a class for file and directory pathname manipulation which
-// handles platform-specific conventions (like the pathname separator).
-// Used for helper functions for naming files in a directory for xml output.
-// Except for Set methods, all methods are const or static, which provides an
-// "immutable value object" -- useful for peace of mind.
-// A FilePath with a value ending in a path separator ("like/this/") represents
-// a directory, otherwise it is assumed to represent a file. In either case,
-// it may or may not represent an actual file or directory in the file system.
-// Names are NOT checked for syntax correctness -- no checking for illegal
-// characters, malformed paths, etc.
-
-class GTEST_API_ FilePath {
- public:
-  FilePath() : pathname_("") { }
-  FilePath(const FilePath& rhs) : pathname_(rhs.pathname_) { }
-
-  explicit FilePath(const std::string& pathname) : pathname_(pathname) {
-    Normalize();
-  }
-
-  FilePath& operator=(const FilePath& rhs) {
-    Set(rhs);
-    return *this;
-  }
-
-  void Set(const FilePath& rhs) {
-    pathname_ = rhs.pathname_;
-  }
-
-  const std::string& string() const { return pathname_; }
-  const char* c_str() const { return pathname_.c_str(); }
-
-  // Returns the current working directory, or "" if unsuccessful.
-  static FilePath GetCurrentDir();
-
-  // Given directory = "dir", base_name = "test", number = 0,
-  // extension = "xml", returns "dir/test.xml". If number is greater
-  // than zero (e.g., 12), returns "dir/test_12.xml".
-  // On Windows platform, uses \ as the separator rather than /.
-  static FilePath MakeFileName(const FilePath& directory,
-                               const FilePath& base_name,
-                               int number,
-                               const char* extension);
-
-  // Given directory = "dir", relative_path = "test.xml",
-  // returns "dir/test.xml".
-  // On Windows, uses \ as the separator rather than /.
-  static FilePath ConcatPaths(const FilePath& directory,
-                              const FilePath& relative_path);
-
-  // Returns a pathname for a file that does not currently exist. The pathname
-  // will be directory/base_name.extension or
-  // directory/base_name_<number>.extension if directory/base_name.extension
-  // already exists. The number will be incremented until a pathname is found
-  // that does not already exist.
-  // Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'.
-  // There could be a race condition if two or more processes are calling this
-  // function at the same time -- they could both pick the same filename.
-  static FilePath GenerateUniqueFileName(const FilePath& directory,
-                                         const FilePath& base_name,
-                                         const char* extension);
-
-  // Returns true if and only if the path is "".
-  bool IsEmpty() const { return pathname_.empty(); }
-
-  // If input name has a trailing separator character, removes it and returns
-  // the name, otherwise return the name string unmodified.
-  // On Windows platform, uses \ as the separator, other platforms use /.
-  FilePath RemoveTrailingPathSeparator() const;
-
-  // Returns a copy of the FilePath with the directory part removed.
-  // Example: FilePath("path/to/file").RemoveDirectoryName() returns
-  // FilePath("file"). If there is no directory part ("just_a_file"), it returns
-  // the FilePath unmodified. If there is no file part ("just_a_dir/") it
-  // returns an empty FilePath ("").
-  // On Windows platform, '\' is the path separator, otherwise it is '/'.
-  FilePath RemoveDirectoryName() const;
-
-  // RemoveFileName returns the directory path with the filename removed.
-  // Example: FilePath("path/to/file").RemoveFileName() returns "path/to/".
-  // If the FilePath is "a_file" or "/a_file", RemoveFileName returns
-  // FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does
-  // not have a file, like "just/a/dir/", it returns the FilePath unmodified.
-  // On Windows platform, '\' is the path separator, otherwise it is '/'.
-  FilePath RemoveFileName() const;
-
-  // Returns a copy of the FilePath with the case-insensitive extension removed.
-  // Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns
-  // FilePath("dir/file"). If a case-insensitive extension is not
-  // found, returns a copy of the original FilePath.
-  FilePath RemoveExtension(const char* extension) const;
-
-  // Creates directories so that path exists. Returns true if successful or if
-  // the directories already exist; returns false if unable to create
-  // directories for any reason. Will also return false if the FilePath does
-  // not represent a directory (that is, it doesn't end with a path separator).
-  bool CreateDirectoriesRecursively() const;
-
-  // Create the directory so that path exists. Returns true if successful or
-  // if the directory already exists; returns false if unable to create the
-  // directory for any reason, including if the parent directory does not
-  // exist. Not named "CreateDirectory" because that's a macro on Windows.
-  bool CreateFolder() const;
-
-  // Returns true if FilePath describes something in the file-system,
-  // either a file, directory, or whatever, and that something exists.
-  bool FileOrDirectoryExists() const;
-
-  // Returns true if pathname describes a directory in the file-system
-  // that exists.
-  bool DirectoryExists() const;
-
-  // Returns true if FilePath ends with a path separator, which indicates that
-  // it is intended to represent a directory. Returns false otherwise.
-  // This does NOT check that a directory (or file) actually exists.
-  bool IsDirectory() const;
-
-  // Returns true if pathname describes a root directory. (Windows has one
-  // root directory per disk drive.)
-  bool IsRootDirectory() const;
-
-  // Returns true if pathname describes an absolute path.
-  bool IsAbsolutePath() const;
-
- private:
-  // Replaces multiple consecutive separators with a single separator.
-  // For example, "bar///foo" becomes "bar/foo". Does not eliminate other
-  // redundancies that might be in a pathname involving "." or "..".
-  //
-  // A pathname with multiple consecutive separators may occur either through
-  // user error or as a result of some scripts or APIs that generate a pathname
-  // with a trailing separator. On other platforms the same API or script
-  // may NOT generate a pathname with a trailing "/". Then elsewhere that
-  // pathname may have another "/" and pathname components added to it,
-  // without checking for the separator already being there.
-  // The script language and operating system may allow paths like "foo//bar"
-  // but some of the functions in FilePath will not handle that correctly. In
-  // particular, RemoveTrailingPathSeparator() only removes one separator, and
-  // it is called in CreateDirectoriesRecursively() assuming that it will change
-  // a pathname from directory syntax (trailing separator) to filename syntax.
-  //
-  // On Windows this method also replaces the alternate path separator '/' with
-  // the primary path separator '\\', so that for example "bar\\/\\foo" becomes
-  // "bar\\foo".
-
-  void Normalize();
-
-  // Returns a pointer to the last occurrence of a valid path separator in
-  // the FilePath. On Windows, for example, both '/' and '\' are valid path
-  // separators. Returns NULL if no path separator was found.
-  const char* FindLastPathSeparator() const;
-
-  std::string pathname_;
-};  // class FilePath
-
-}  // namespace internal
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_
-// Copyright 2008 Google Inc.
-// All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Type utilities needed for implementing typed and type-parameterized
-// tests.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
-
-
-// #ifdef __GNUC__ is too general here.  It is possible to use gcc without using
-// libstdc++ (which is where cxxabi.h comes from).
-# if GTEST_HAS_CXXABI_H_
-#  include <cxxabi.h>
-# elif defined(__HP_aCC)
-#  include <acxx_demangle.h>
-# endif  // GTEST_HASH_CXXABI_H_
-
-namespace testing {
-namespace internal {
-
-// Canonicalizes a given name with respect to the Standard C++ Library.
-// This handles removing the inline namespace within `std` that is
-// used by various standard libraries (e.g., `std::__1`).  Names outside
-// of namespace std are returned unmodified.
-inline std::string CanonicalizeForStdLibVersioning(std::string s) {
-  static const char prefix[] = "std::__";
-  if (s.compare(0, strlen(prefix), prefix) == 0) {
-    std::string::size_type end = s.find("::", strlen(prefix));
-    if (end != s.npos) {
-      // Erase everything between the initial `std` and the second `::`.
-      s.erase(strlen("std"), end - strlen("std"));
-    }
-  }
-  return s;
-}
-
-#if GTEST_HAS_RTTI
-// GetTypeName(const std::type_info&) returns a human-readable name of type T.
-inline std::string GetTypeName(const std::type_info& type) {
-  const char* const name = type.name();
-#if GTEST_HAS_CXXABI_H_ || defined(__HP_aCC)
-  int status = 0;
-  // gcc's implementation of typeid(T).name() mangles the type name,
-  // so we have to demangle it.
-#if GTEST_HAS_CXXABI_H_
-  using abi::__cxa_demangle;
-#endif  // GTEST_HAS_CXXABI_H_
-  char* const readable_name = __cxa_demangle(name, nullptr, nullptr, &status);
-  const std::string name_str(status == 0 ? readable_name : name);
-  free(readable_name);
-  return CanonicalizeForStdLibVersioning(name_str);
-#else
-  return name;
-#endif  // GTEST_HAS_CXXABI_H_ || __HP_aCC
-}
-#endif  // GTEST_HAS_RTTI
-
-// GetTypeName<T>() returns a human-readable name of type T if and only if
-// RTTI is enabled, otherwise it returns a dummy type name.
-// NB: This function is also used in Google Mock, so don't move it inside of
-// the typed-test-only section below.
-template <typename T>
-std::string GetTypeName() {
-#if GTEST_HAS_RTTI
-  return GetTypeName(typeid(T));
-#else
-  return "<type>";
-#endif  // GTEST_HAS_RTTI
-}
-
-// A unique type indicating an empty node
-struct None {};
-
-# define GTEST_TEMPLATE_ template <typename T> class
-
-// The template "selector" struct TemplateSel<Tmpl> is used to
-// represent Tmpl, which must be a class template with one type
-// parameter, as a type.  TemplateSel<Tmpl>::Bind<T>::type is defined
-// as the type Tmpl<T>.  This allows us to actually instantiate the
-// template "selected" by TemplateSel<Tmpl>.
-//
-// This trick is necessary for simulating typedef for class templates,
-// which C++ doesn't support directly.
-template <GTEST_TEMPLATE_ Tmpl>
-struct TemplateSel {
-  template <typename T>
-  struct Bind {
-    typedef Tmpl<T> type;
-  };
-};
-
-# define GTEST_BIND_(TmplSel, T) \
-  TmplSel::template Bind<T>::type
-
-template <GTEST_TEMPLATE_ Head_, GTEST_TEMPLATE_... Tail_>
-struct Templates {
-  using Head = TemplateSel<Head_>;
-  using Tail = Templates<Tail_...>;
-};
-
-template <GTEST_TEMPLATE_ Head_>
-struct Templates<Head_> {
-  using Head = TemplateSel<Head_>;
-  using Tail = None;
-};
-
-// Tuple-like type lists
-template <typename Head_, typename... Tail_>
-struct Types {
-  using Head = Head_;
-  using Tail = Types<Tail_...>;
-};
-
-template <typename Head_>
-struct Types<Head_> {
-  using Head = Head_;
-  using Tail = None;
-};
-
-// Helper metafunctions to tell apart a single type from types
-// generated by ::testing::Types
-template <typename... Ts>
-struct ProxyTypeList {
-  using type = Types<Ts...>;
-};
-
-template <typename>
-struct is_proxy_type_list : std::false_type {};
-
-template <typename... Ts>
-struct is_proxy_type_list<ProxyTypeList<Ts...>> : std::true_type {};
-
-// Generator which conditionally creates type lists.
-// It recognizes if a requested type list should be created
-// and prevents creating a new type list nested within another one.
-template <typename T>
-struct GenerateTypeList {
- private:
-  using proxy = typename std::conditional<is_proxy_type_list<T>::value, T,
-                                          ProxyTypeList<T>>::type;
-
- public:
-  using type = typename proxy::type;
-};
-
-}  // namespace internal
-
-template <typename... Ts>
-using Types = internal::ProxyTypeList<Ts...>;
-
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
-
-// Due to C++ preprocessor weirdness, we need double indirection to
-// concatenate two tokens when one of them is __LINE__.  Writing
-//
-//   foo ## __LINE__
-//
-// will result in the token foo__LINE__, instead of foo followed by
-// the current line number.  For more details, see
-// http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6
-#define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar)
-#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar
-
-// Stringifies its argument.
-// Work around a bug in visual studio which doesn't accept code like this:
-//
-//   #define GTEST_STRINGIFY_(name) #name
-//   #define MACRO(a, b, c) ... GTEST_STRINGIFY_(a) ...
-//   MACRO(, x, y)
-//
-// Complaining about the argument to GTEST_STRINGIFY_ being empty.
-// This is allowed by the spec.
-#define GTEST_STRINGIFY_HELPER_(name, ...) #name
-#define GTEST_STRINGIFY_(...) GTEST_STRINGIFY_HELPER_(__VA_ARGS__, )
-
-namespace proto2 {
-class MessageLite;
-}
-
-namespace testing {
-
-// Forward declarations.
-
-class AssertionResult;                 // Result of an assertion.
-class Message;                         // Represents a failure message.
-class Test;                            // Represents a test.
-class TestInfo;                        // Information about a test.
-class TestPartResult;                  // Result of a test part.
-class UnitTest;                        // A collection of test suites.
-
-template <typename T>
-::std::string PrintToString(const T& value);
-
-namespace internal {
-
-struct TraceInfo;                      // Information about a trace point.
-class TestInfoImpl;                    // Opaque implementation of TestInfo
-class UnitTestImpl;                    // Opaque implementation of UnitTest
-
-// The text used in failure messages to indicate the start of the
-// stack trace.
-GTEST_API_ extern const char kStackTraceMarker[];
-
-// An IgnoredValue object can be implicitly constructed from ANY value.
-class IgnoredValue {
-  struct Sink {};
- public:
-  // This constructor template allows any value to be implicitly
-  // converted to IgnoredValue.  The object has no data member and
-  // doesn't try to remember anything about the argument.  We
-  // deliberately omit the 'explicit' keyword in order to allow the
-  // conversion to be implicit.
-  // Disable the conversion if T already has a magical conversion operator.
-  // Otherwise we get ambiguity.
-  template <typename T,
-            typename std::enable_if<!std::is_convertible<T, Sink>::value,
-                                    int>::type = 0>
-  IgnoredValue(const T& /* ignored */) {}  // NOLINT(runtime/explicit)
-};
-
-// Appends the user-supplied message to the Google-Test-generated message.
-GTEST_API_ std::string AppendUserMessage(
-    const std::string& gtest_msg, const Message& user_msg);
-
-#if GTEST_HAS_EXCEPTIONS
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4275 \
-/* an exported class was derived from a class that was not exported */)
-
-// This exception is thrown by (and only by) a failed Google Test
-// assertion when GTEST_FLAG(throw_on_failure) is true (if exceptions
-// are enabled).  We derive it from std::runtime_error, which is for
-// errors presumably detectable only at run time.  Since
-// std::runtime_error inherits from std::exception, many testing
-// frameworks know how to extract and print the message inside it.
-class GTEST_API_ GoogleTestFailureException : public ::std::runtime_error {
- public:
-  explicit GoogleTestFailureException(const TestPartResult& failure);
-};
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4275
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-namespace edit_distance {
-// Returns the optimal edits to go from 'left' to 'right'.
-// All edits cost the same, with replace having lower priority than
-// add/remove.
-// Simple implementation of the Wagner-Fischer algorithm.
-// See http://en.wikipedia.org/wiki/Wagner-Fischer_algorithm
-enum EditType { kMatch, kAdd, kRemove, kReplace };
-GTEST_API_ std::vector<EditType> CalculateOptimalEdits(
-    const std::vector<size_t>& left, const std::vector<size_t>& right);
-
-// Same as above, but the input is represented as strings.
-GTEST_API_ std::vector<EditType> CalculateOptimalEdits(
-    const std::vector<std::string>& left,
-    const std::vector<std::string>& right);
-
-// Create a diff of the input strings in Unified diff format.
-GTEST_API_ std::string CreateUnifiedDiff(const std::vector<std::string>& left,
-                                         const std::vector<std::string>& right,
-                                         size_t context = 2);
-
-}  // namespace edit_distance
-
-// Calculate the diff between 'left' and 'right' and return it in unified diff
-// format.
-// If not null, stores in 'total_line_count' the total number of lines found
-// in left + right.
-GTEST_API_ std::string DiffStrings(const std::string& left,
-                                   const std::string& right,
-                                   size_t* total_line_count);
-
-// Constructs and returns the message for an equality assertion
-// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure.
-//
-// The first four parameters are the expressions used in the assertion
-// and their values, as strings.  For example, for ASSERT_EQ(foo, bar)
-// where foo is 5 and bar is 6, we have:
-//
-//   expected_expression: "foo"
-//   actual_expression:   "bar"
-//   expected_value:      "5"
-//   actual_value:        "6"
-//
-// The ignoring_case parameter is true if and only if the assertion is a
-// *_STRCASEEQ*.  When it's true, the string " (ignoring case)" will
-// be inserted into the message.
-GTEST_API_ AssertionResult EqFailure(const char* expected_expression,
-                                     const char* actual_expression,
-                                     const std::string& expected_value,
-                                     const std::string& actual_value,
-                                     bool ignoring_case);
-
-// Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
-GTEST_API_ std::string GetBoolAssertionFailureMessage(
-    const AssertionResult& assertion_result,
-    const char* expression_text,
-    const char* actual_predicate_value,
-    const char* expected_predicate_value);
-
-// This template class represents an IEEE floating-point number
-// (either single-precision or double-precision, depending on the
-// template parameters).
-//
-// The purpose of this class is to do more sophisticated number
-// comparison.  (Due to round-off error, etc, it's very unlikely that
-// two floating-points will be equal exactly.  Hence a naive
-// comparison by the == operation often doesn't work.)
-//
-// Format of IEEE floating-point:
-//
-//   The most-significant bit being the leftmost, an IEEE
-//   floating-point looks like
-//
-//     sign_bit exponent_bits fraction_bits
-//
-//   Here, sign_bit is a single bit that designates the sign of the
-//   number.
-//
-//   For float, there are 8 exponent bits and 23 fraction bits.
-//
-//   For double, there are 11 exponent bits and 52 fraction bits.
-//
-//   More details can be found at
-//   http://en.wikipedia.org/wiki/IEEE_floating-point_standard.
-//
-// Template parameter:
-//
-//   RawType: the raw floating-point type (either float or double)
-template <typename RawType>
-class FloatingPoint {
- public:
-  // Defines the unsigned integer type that has the same size as the
-  // floating point number.
-  typedef typename TypeWithSize<sizeof(RawType)>::UInt Bits;
-
-  // Constants.
-
-  // # of bits in a number.
-  static const size_t kBitCount = 8*sizeof(RawType);
-
-  // # of fraction bits in a number.
-  static const size_t kFractionBitCount =
-    std::numeric_limits<RawType>::digits - 1;
-
-  // # of exponent bits in a number.
-  static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount;
-
-  // The mask for the sign bit.
-  static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1);
-
-  // The mask for the fraction bits.
-  static const Bits kFractionBitMask =
-    ~static_cast<Bits>(0) >> (kExponentBitCount + 1);
-
-  // The mask for the exponent bits.
-  static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask);
-
-  // How many ULP's (Units in the Last Place) we want to tolerate when
-  // comparing two numbers.  The larger the value, the more error we
-  // allow.  A 0 value means that two numbers must be exactly the same
-  // to be considered equal.
-  //
-  // The maximum error of a single floating-point operation is 0.5
-  // units in the last place.  On Intel CPU's, all floating-point
-  // calculations are done with 80-bit precision, while double has 64
-  // bits.  Therefore, 4 should be enough for ordinary use.
-  //
-  // See the following article for more details on ULP:
-  // http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/
-  static const uint32_t kMaxUlps = 4;
-
-  // Constructs a FloatingPoint from a raw floating-point number.
-  //
-  // On an Intel CPU, passing a non-normalized NAN (Not a Number)
-  // around may change its bits, although the new value is guaranteed
-  // to be also a NAN.  Therefore, don't expect this constructor to
-  // preserve the bits in x when x is a NAN.
-  explicit FloatingPoint(const RawType& x) { u_.value_ = x; }
-
-  // Static methods
-
-  // Reinterprets a bit pattern as a floating-point number.
-  //
-  // This function is needed to test the AlmostEquals() method.
-  static RawType ReinterpretBits(const Bits bits) {
-    FloatingPoint fp(0);
-    fp.u_.bits_ = bits;
-    return fp.u_.value_;
-  }
-
-  // Returns the floating-point number that represent positive infinity.
-  static RawType Infinity() {
-    return ReinterpretBits(kExponentBitMask);
-  }
-
-  // Returns the maximum representable finite floating-point number.
-  static RawType Max();
-
-  // Non-static methods
-
-  // Returns the bits that represents this number.
-  const Bits &bits() const { return u_.bits_; }
-
-  // Returns the exponent bits of this number.
-  Bits exponent_bits() const { return kExponentBitMask & u_.bits_; }
-
-  // Returns the fraction bits of this number.
-  Bits fraction_bits() const { return kFractionBitMask & u_.bits_; }
-
-  // Returns the sign bit of this number.
-  Bits sign_bit() const { return kSignBitMask & u_.bits_; }
-
-  // Returns true if and only if this is NAN (not a number).
-  bool is_nan() const {
-    // It's a NAN if the exponent bits are all ones and the fraction
-    // bits are not entirely zeros.
-    return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0);
-  }
-
-  // Returns true if and only if this number is at most kMaxUlps ULP's away
-  // from rhs.  In particular, this function:
-  //
-  //   - returns false if either number is (or both are) NAN.
-  //   - treats really large numbers as almost equal to infinity.
-  //   - thinks +0.0 and -0.0 are 0 DLP's apart.
-  bool AlmostEquals(const FloatingPoint& rhs) const {
-    // The IEEE standard says that any comparison operation involving
-    // a NAN must return false.
-    if (is_nan() || rhs.is_nan()) return false;
-
-    return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_)
-        <= kMaxUlps;
-  }
-
- private:
-  // The data type used to store the actual floating-point number.
-  union FloatingPointUnion {
-    RawType value_;  // The raw floating-point number.
-    Bits bits_;      // The bits that represent the number.
-  };
-
-  // Converts an integer from the sign-and-magnitude representation to
-  // the biased representation.  More precisely, let N be 2 to the
-  // power of (kBitCount - 1), an integer x is represented by the
-  // unsigned number x + N.
-  //
-  // For instance,
-  //
-  //   -N + 1 (the most negative number representable using
-  //          sign-and-magnitude) is represented by 1;
-  //   0      is represented by N; and
-  //   N - 1  (the biggest number representable using
-  //          sign-and-magnitude) is represented by 2N - 1.
-  //
-  // Read http://en.wikipedia.org/wiki/Signed_number_representations
-  // for more details on signed number representations.
-  static Bits SignAndMagnitudeToBiased(const Bits &sam) {
-    if (kSignBitMask & sam) {
-      // sam represents a negative number.
-      return ~sam + 1;
-    } else {
-      // sam represents a positive number.
-      return kSignBitMask | sam;
-    }
-  }
-
-  // Given two numbers in the sign-and-magnitude representation,
-  // returns the distance between them as an unsigned number.
-  static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1,
-                                                     const Bits &sam2) {
-    const Bits biased1 = SignAndMagnitudeToBiased(sam1);
-    const Bits biased2 = SignAndMagnitudeToBiased(sam2);
-    return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1);
-  }
-
-  FloatingPointUnion u_;
-};
-
-// We cannot use std::numeric_limits<T>::max() as it clashes with the max()
-// macro defined by <windows.h>.
-template <>
-inline float FloatingPoint<float>::Max() { return FLT_MAX; }
-template <>
-inline double FloatingPoint<double>::Max() { return DBL_MAX; }
-
-// Typedefs the instances of the FloatingPoint template class that we
-// care to use.
-typedef FloatingPoint<float> Float;
-typedef FloatingPoint<double> Double;
-
-// In order to catch the mistake of putting tests that use different
-// test fixture classes in the same test suite, we need to assign
-// unique IDs to fixture classes and compare them.  The TypeId type is
-// used to hold such IDs.  The user should treat TypeId as an opaque
-// type: the only operation allowed on TypeId values is to compare
-// them for equality using the == operator.
-typedef const void* TypeId;
-
-template <typename T>
-class TypeIdHelper {
- public:
-  // dummy_ must not have a const type.  Otherwise an overly eager
-  // compiler (e.g. MSVC 7.1 & 8.0) may try to merge
-  // TypeIdHelper<T>::dummy_ for different Ts as an "optimization".
-  static bool dummy_;
-};
-
-template <typename T>
-bool TypeIdHelper<T>::dummy_ = false;
-
-// GetTypeId<T>() returns the ID of type T.  Different values will be
-// returned for different types.  Calling the function twice with the
-// same type argument is guaranteed to return the same ID.
-template <typename T>
-TypeId GetTypeId() {
-  // The compiler is required to allocate a different
-  // TypeIdHelper<T>::dummy_ variable for each T used to instantiate
-  // the template.  Therefore, the address of dummy_ is guaranteed to
-  // be unique.
-  return &(TypeIdHelper<T>::dummy_);
-}
-
-// Returns the type ID of ::testing::Test.  Always call this instead
-// of GetTypeId< ::testing::Test>() to get the type ID of
-// ::testing::Test, as the latter may give the wrong result due to a
-// suspected linker bug when compiling Google Test as a Mac OS X
-// framework.
-GTEST_API_ TypeId GetTestTypeId();
-
-// Defines the abstract factory interface that creates instances
-// of a Test object.
-class TestFactoryBase {
- public:
-  virtual ~TestFactoryBase() {}
-
-  // Creates a test instance to run. The instance is both created and destroyed
-  // within TestInfoImpl::Run()
-  virtual Test* CreateTest() = 0;
-
- protected:
-  TestFactoryBase() {}
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestFactoryBase);
-};
-
-// This class provides implementation of TeastFactoryBase interface.
-// It is used in TEST and TEST_F macros.
-template <class TestClass>
-class TestFactoryImpl : public TestFactoryBase {
- public:
-  Test* CreateTest() override { return new TestClass; }
-};
-
-#if GTEST_OS_WINDOWS
-
-// Predicate-formatters for implementing the HRESULT checking macros
-// {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED}
-// We pass a long instead of HRESULT to avoid causing an
-// include dependency for the HRESULT type.
-GTEST_API_ AssertionResult IsHRESULTSuccess(const char* expr,
-                                            long hr);  // NOLINT
-GTEST_API_ AssertionResult IsHRESULTFailure(const char* expr,
-                                            long hr);  // NOLINT
-
-#endif  // GTEST_OS_WINDOWS
-
-// Types of SetUpTestSuite() and TearDownTestSuite() functions.
-using SetUpTestSuiteFunc = void (*)();
-using TearDownTestSuiteFunc = void (*)();
-
-struct CodeLocation {
-  CodeLocation(const std::string& a_file, int a_line)
-      : file(a_file), line(a_line) {}
-
-  std::string file;
-  int line;
-};
-
-//  Helper to identify which setup function for TestCase / TestSuite to call.
-//  Only one function is allowed, either TestCase or TestSute but not both.
-
-// Utility functions to help SuiteApiResolver
-using SetUpTearDownSuiteFuncType = void (*)();
-
-inline SetUpTearDownSuiteFuncType GetNotDefaultOrNull(
-    SetUpTearDownSuiteFuncType a, SetUpTearDownSuiteFuncType def) {
-  return a == def ? nullptr : a;
-}
-
-template <typename T>
-//  Note that SuiteApiResolver inherits from T because
-//  SetUpTestSuite()/TearDownTestSuite() could be protected. Ths way
-//  SuiteApiResolver can access them.
-struct SuiteApiResolver : T {
-  // testing::Test is only forward declared at this point. So we make it a
-  // dependend class for the compiler to be OK with it.
-  using Test =
-      typename std::conditional<sizeof(T) != 0, ::testing::Test, void>::type;
-
-  static SetUpTearDownSuiteFuncType GetSetUpCaseOrSuite(const char* filename,
-                                                        int line_num) {
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-    SetUpTearDownSuiteFuncType test_case_fp =
-        GetNotDefaultOrNull(&T::SetUpTestCase, &Test::SetUpTestCase);
-    SetUpTearDownSuiteFuncType test_suite_fp =
-        GetNotDefaultOrNull(&T::SetUpTestSuite, &Test::SetUpTestSuite);
-
-    GTEST_CHECK_(!test_case_fp || !test_suite_fp)
-        << "Test can not provide both SetUpTestSuite and SetUpTestCase, please "
-           "make sure there is only one present at "
-        << filename << ":" << line_num;
-
-    return test_case_fp != nullptr ? test_case_fp : test_suite_fp;
-#else
-    (void)(filename);
-    (void)(line_num);
-    return &T::SetUpTestSuite;
-#endif
-  }
-
-  static SetUpTearDownSuiteFuncType GetTearDownCaseOrSuite(const char* filename,
-                                                           int line_num) {
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-    SetUpTearDownSuiteFuncType test_case_fp =
-        GetNotDefaultOrNull(&T::TearDownTestCase, &Test::TearDownTestCase);
-    SetUpTearDownSuiteFuncType test_suite_fp =
-        GetNotDefaultOrNull(&T::TearDownTestSuite, &Test::TearDownTestSuite);
-
-    GTEST_CHECK_(!test_case_fp || !test_suite_fp)
-        << "Test can not provide both TearDownTestSuite and TearDownTestCase,"
-           " please make sure there is only one present at"
-        << filename << ":" << line_num;
-
-    return test_case_fp != nullptr ? test_case_fp : test_suite_fp;
-#else
-    (void)(filename);
-    (void)(line_num);
-    return &T::TearDownTestSuite;
-#endif
-  }
-};
-
-// Creates a new TestInfo object and registers it with Google Test;
-// returns the created object.
-//
-// Arguments:
-//
-//   test_suite_name:  name of the test suite
-//   name:             name of the test
-//   type_param:       the name of the test's type parameter, or NULL if
-//                     this is not a typed or a type-parameterized test.
-//   value_param:      text representation of the test's value parameter,
-//                     or NULL if this is not a type-parameterized test.
-//   code_location:    code location where the test is defined
-//   fixture_class_id: ID of the test fixture class
-//   set_up_tc:        pointer to the function that sets up the test suite
-//   tear_down_tc:     pointer to the function that tears down the test suite
-//   factory:          pointer to the factory that creates a test object.
-//                     The newly created TestInfo instance will assume
-//                     ownership of the factory object.
-GTEST_API_ TestInfo* MakeAndRegisterTestInfo(
-    const char* test_suite_name, const char* name, const char* type_param,
-    const char* value_param, CodeLocation code_location,
-    TypeId fixture_class_id, SetUpTestSuiteFunc set_up_tc,
-    TearDownTestSuiteFunc tear_down_tc, TestFactoryBase* factory);
-
-// If *pstr starts with the given prefix, modifies *pstr to be right
-// past the prefix and returns true; otherwise leaves *pstr unchanged
-// and returns false.  None of pstr, *pstr, and prefix can be NULL.
-GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr);
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-// State of the definition of a type-parameterized test suite.
-class GTEST_API_ TypedTestSuitePState {
- public:
-  TypedTestSuitePState() : registered_(false) {}
-
-  // Adds the given test name to defined_test_names_ and return true
-  // if the test suite hasn't been registered; otherwise aborts the
-  // program.
-  bool AddTestName(const char* file, int line, const char* case_name,
-                   const char* test_name) {
-    if (registered_) {
-      fprintf(stderr,
-              "%s Test %s must be defined before "
-              "REGISTER_TYPED_TEST_SUITE_P(%s, ...).\n",
-              FormatFileLocation(file, line).c_str(), test_name, case_name);
-      fflush(stderr);
-      posix::Abort();
-    }
-    registered_tests_.insert(
-        ::std::make_pair(test_name, CodeLocation(file, line)));
-    return true;
-  }
-
-  bool TestExists(const std::string& test_name) const {
-    return registered_tests_.count(test_name) > 0;
-  }
-
-  const CodeLocation& GetCodeLocation(const std::string& test_name) const {
-    RegisteredTestsMap::const_iterator it = registered_tests_.find(test_name);
-    GTEST_CHECK_(it != registered_tests_.end());
-    return it->second;
-  }
-
-  // Verifies that registered_tests match the test names in
-  // defined_test_names_; returns registered_tests if successful, or
-  // aborts the program otherwise.
-  const char* VerifyRegisteredTestNames(const char* test_suite_name,
-                                        const char* file, int line,
-                                        const char* registered_tests);
-
- private:
-  typedef ::std::map<std::string, CodeLocation> RegisteredTestsMap;
-
-  bool registered_;
-  RegisteredTestsMap registered_tests_;
-};
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-using TypedTestCasePState = TypedTestSuitePState;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-// Skips to the first non-space char after the first comma in 'str';
-// returns NULL if no comma is found in 'str'.
-inline const char* SkipComma(const char* str) {
-  const char* comma = strchr(str, ',');
-  if (comma == nullptr) {
-    return nullptr;
-  }
-  while (IsSpace(*(++comma))) {}
-  return comma;
-}
-
-// Returns the prefix of 'str' before the first comma in it; returns
-// the entire string if it contains no comma.
-inline std::string GetPrefixUntilComma(const char* str) {
-  const char* comma = strchr(str, ',');
-  return comma == nullptr ? str : std::string(str, comma);
-}
-
-// Splits a given string on a given delimiter, populating a given
-// vector with the fields.
-void SplitString(const ::std::string& str, char delimiter,
-                 ::std::vector< ::std::string>* dest);
-
-// The default argument to the template below for the case when the user does
-// not provide a name generator.
-struct DefaultNameGenerator {
-  template <typename T>
-  static std::string GetName(int i) {
-    return StreamableToString(i);
-  }
-};
-
-template <typename Provided = DefaultNameGenerator>
-struct NameGeneratorSelector {
-  typedef Provided type;
-};
-
-template <typename NameGenerator>
-void GenerateNamesRecursively(internal::None, std::vector<std::string>*, int) {}
-
-template <typename NameGenerator, typename Types>
-void GenerateNamesRecursively(Types, std::vector<std::string>* result, int i) {
-  result->push_back(NameGenerator::template GetName<typename Types::Head>(i));
-  GenerateNamesRecursively<NameGenerator>(typename Types::Tail(), result,
-                                          i + 1);
-}
-
-template <typename NameGenerator, typename Types>
-std::vector<std::string> GenerateNames() {
-  std::vector<std::string> result;
-  GenerateNamesRecursively<NameGenerator>(Types(), &result, 0);
-  return result;
-}
-
-// TypeParameterizedTest<Fixture, TestSel, Types>::Register()
-// registers a list of type-parameterized tests with Google Test.  The
-// return value is insignificant - we just need to return something
-// such that we can call this function in a namespace scope.
-//
-// Implementation note: The GTEST_TEMPLATE_ macro declares a template
-// template parameter.  It's defined in gtest-type-util.h.
-template <GTEST_TEMPLATE_ Fixture, class TestSel, typename Types>
-class TypeParameterizedTest {
- public:
-  // 'index' is the index of the test in the type list 'Types'
-  // specified in INSTANTIATE_TYPED_TEST_SUITE_P(Prefix, TestSuite,
-  // Types).  Valid values for 'index' are [0, N - 1] where N is the
-  // length of Types.
-  static bool Register(const char* prefix, const CodeLocation& code_location,
-                       const char* case_name, const char* test_names, int index,
-                       const std::vector<std::string>& type_names =
-                           GenerateNames<DefaultNameGenerator, Types>()) {
-    typedef typename Types::Head Type;
-    typedef Fixture<Type> FixtureClass;
-    typedef typename GTEST_BIND_(TestSel, Type) TestClass;
-
-    // First, registers the first type-parameterized test in the type
-    // list.
-    MakeAndRegisterTestInfo(
-        (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name +
-         "/" + type_names[static_cast<size_t>(index)])
-            .c_str(),
-        StripTrailingSpaces(GetPrefixUntilComma(test_names)).c_str(),
-        GetTypeName<Type>().c_str(),
-        nullptr,  // No value parameter.
-        code_location, GetTypeId<FixtureClass>(),
-        SuiteApiResolver<TestClass>::GetSetUpCaseOrSuite(
-            code_location.file.c_str(), code_location.line),
-        SuiteApiResolver<TestClass>::GetTearDownCaseOrSuite(
-            code_location.file.c_str(), code_location.line),
-        new TestFactoryImpl<TestClass>);
-
-    // Next, recurses (at compile time) with the tail of the type list.
-    return TypeParameterizedTest<Fixture, TestSel,
-                                 typename Types::Tail>::Register(prefix,
-                                                                 code_location,
-                                                                 case_name,
-                                                                 test_names,
-                                                                 index + 1,
-                                                                 type_names);
-  }
-};
-
-// The base case for the compile time recursion.
-template <GTEST_TEMPLATE_ Fixture, class TestSel>
-class TypeParameterizedTest<Fixture, TestSel, internal::None> {
- public:
-  static bool Register(const char* /*prefix*/, const CodeLocation&,
-                       const char* /*case_name*/, const char* /*test_names*/,
-                       int /*index*/,
-                       const std::vector<std::string>& =
-                           std::vector<std::string>() /*type_names*/) {
-    return true;
-  }
-};
-
-GTEST_API_ void RegisterTypeParameterizedTestSuite(const char* test_suite_name,
-                                                   CodeLocation code_location);
-GTEST_API_ void RegisterTypeParameterizedTestSuiteInstantiation(
-    const char* case_name);
-
-// TypeParameterizedTestSuite<Fixture, Tests, Types>::Register()
-// registers *all combinations* of 'Tests' and 'Types' with Google
-// Test.  The return value is insignificant - we just need to return
-// something such that we can call this function in a namespace scope.
-template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types>
-class TypeParameterizedTestSuite {
- public:
-  static bool Register(const char* prefix, CodeLocation code_location,
-                       const TypedTestSuitePState* state, const char* case_name,
-                       const char* test_names,
-                       const std::vector<std::string>& type_names =
-                           GenerateNames<DefaultNameGenerator, Types>()) {
-    RegisterTypeParameterizedTestSuiteInstantiation(case_name);
-    std::string test_name = StripTrailingSpaces(
-        GetPrefixUntilComma(test_names));
-    if (!state->TestExists(test_name)) {
-      fprintf(stderr, "Failed to get code location for test %s.%s at %s.",
-              case_name, test_name.c_str(),
-              FormatFileLocation(code_location.file.c_str(),
-                                 code_location.line).c_str());
-      fflush(stderr);
-      posix::Abort();
-    }
-    const CodeLocation& test_location = state->GetCodeLocation(test_name);
-
-    typedef typename Tests::Head Head;
-
-    // First, register the first test in 'Test' for each type in 'Types'.
-    TypeParameterizedTest<Fixture, Head, Types>::Register(
-        prefix, test_location, case_name, test_names, 0, type_names);
-
-    // Next, recurses (at compile time) with the tail of the test list.
-    return TypeParameterizedTestSuite<Fixture, typename Tests::Tail,
-                                      Types>::Register(prefix, code_location,
-                                                       state, case_name,
-                                                       SkipComma(test_names),
-                                                       type_names);
-  }
-};
-
-// The base case for the compile time recursion.
-template <GTEST_TEMPLATE_ Fixture, typename Types>
-class TypeParameterizedTestSuite<Fixture, internal::None, Types> {
- public:
-  static bool Register(const char* /*prefix*/, const CodeLocation&,
-                       const TypedTestSuitePState* /*state*/,
-                       const char* /*case_name*/, const char* /*test_names*/,
-                       const std::vector<std::string>& =
-                           std::vector<std::string>() /*type_names*/) {
-    return true;
-  }
-};
-
-// Returns the current OS stack trace as an std::string.
-//
-// The maximum number of stack frames to be included is specified by
-// the gtest_stack_trace_depth flag.  The skip_count parameter
-// specifies the number of top frames to be skipped, which doesn't
-// count against the number of frames to be included.
-//
-// For example, if Foo() calls Bar(), which in turn calls
-// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in
-// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't.
-GTEST_API_ std::string GetCurrentOsStackTraceExceptTop(
-    UnitTest* unit_test, int skip_count);
-
-// Helpers for suppressing warnings on unreachable code or constant
-// condition.
-
-// Always returns true.
-GTEST_API_ bool AlwaysTrue();
-
-// Always returns false.
-inline bool AlwaysFalse() { return !AlwaysTrue(); }
-
-// Helper for suppressing false warning from Clang on a const char*
-// variable declared in a conditional expression always being NULL in
-// the else branch.
-struct GTEST_API_ ConstCharPtr {
-  ConstCharPtr(const char* str) : value(str) {}
-  operator bool() const { return true; }
-  const char* value;
-};
-
-// Helper for declaring std::string within 'if' statement
-// in pre C++17 build environment.
-struct TrueWithString {
-  TrueWithString() = default;
-  explicit TrueWithString(const char* str) : value(str) {}
-  explicit TrueWithString(const std::string& str) : value(str) {}
-  explicit operator bool() const { return true; }
-  std::string value;
-};
-
-// A simple Linear Congruential Generator for generating random
-// numbers with a uniform distribution.  Unlike rand() and srand(), it
-// doesn't use global state (and therefore can't interfere with user
-// code).  Unlike rand_r(), it's portable.  An LCG isn't very random,
-// but it's good enough for our purposes.
-class GTEST_API_ Random {
- public:
-  static const uint32_t kMaxRange = 1u << 31;
-
-  explicit Random(uint32_t seed) : state_(seed) {}
-
-  void Reseed(uint32_t seed) { state_ = seed; }
-
-  // Generates a random number from [0, range).  Crashes if 'range' is
-  // 0 or greater than kMaxRange.
-  uint32_t Generate(uint32_t range);
-
- private:
-  uint32_t state_;
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Random);
-};
-
-// Turns const U&, U&, const U, and U all into U.
-#define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \
-  typename std::remove_const<typename std::remove_reference<T>::type>::type
-
-// HasDebugStringAndShortDebugString<T>::value is a compile-time bool constant
-// that's true if and only if T has methods DebugString() and ShortDebugString()
-// that return std::string.
-template <typename T>
-class HasDebugStringAndShortDebugString {
- private:
-  template <typename C>
-  static auto CheckDebugString(C*) -> typename std::is_same<
-      std::string, decltype(std::declval<const C>().DebugString())>::type;
-  template <typename>
-  static std::false_type CheckDebugString(...);
-
-  template <typename C>
-  static auto CheckShortDebugString(C*) -> typename std::is_same<
-      std::string, decltype(std::declval<const C>().ShortDebugString())>::type;
-  template <typename>
-  static std::false_type CheckShortDebugString(...);
-
-  using HasDebugStringType = decltype(CheckDebugString<T>(nullptr));
-  using HasShortDebugStringType = decltype(CheckShortDebugString<T>(nullptr));
-
- public:
-  static constexpr bool value =
-      HasDebugStringType::value && HasShortDebugStringType::value;
-};
-
-template <typename T>
-constexpr bool HasDebugStringAndShortDebugString<T>::value;
-
-// When the compiler sees expression IsContainerTest<C>(0), if C is an
-// STL-style container class, the first overload of IsContainerTest
-// will be viable (since both C::iterator* and C::const_iterator* are
-// valid types and NULL can be implicitly converted to them).  It will
-// be picked over the second overload as 'int' is a perfect match for
-// the type of argument 0.  If C::iterator or C::const_iterator is not
-// a valid type, the first overload is not viable, and the second
-// overload will be picked.  Therefore, we can determine whether C is
-// a container class by checking the type of IsContainerTest<C>(0).
-// The value of the expression is insignificant.
-//
-// In C++11 mode we check the existence of a const_iterator and that an
-// iterator is properly implemented for the container.
-//
-// For pre-C++11 that we look for both C::iterator and C::const_iterator.
-// The reason is that C++ injects the name of a class as a member of the
-// class itself (e.g. you can refer to class iterator as either
-// 'iterator' or 'iterator::iterator').  If we look for C::iterator
-// only, for example, we would mistakenly think that a class named
-// iterator is an STL container.
-//
-// Also note that the simpler approach of overloading
-// IsContainerTest(typename C::const_iterator*) and
-// IsContainerTest(...) doesn't work with Visual Age C++ and Sun C++.
-typedef int IsContainer;
-template <class C,
-          class Iterator = decltype(::std::declval<const C&>().begin()),
-          class = decltype(::std::declval<const C&>().end()),
-          class = decltype(++::std::declval<Iterator&>()),
-          class = decltype(*::std::declval<Iterator>()),
-          class = typename C::const_iterator>
-IsContainer IsContainerTest(int /* dummy */) {
-  return 0;
-}
-
-typedef char IsNotContainer;
-template <class C>
-IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; }
-
-// Trait to detect whether a type T is a hash table.
-// The heuristic used is that the type contains an inner type `hasher` and does
-// not contain an inner type `reverse_iterator`.
-// If the container is iterable in reverse, then order might actually matter.
-template <typename T>
-struct IsHashTable {
- private:
-  template <typename U>
-  static char test(typename U::hasher*, typename U::reverse_iterator*);
-  template <typename U>
-  static int test(typename U::hasher*, ...);
-  template <typename U>
-  static char test(...);
-
- public:
-  static const bool value = sizeof(test<T>(nullptr, nullptr)) == sizeof(int);
-};
-
-template <typename T>
-const bool IsHashTable<T>::value;
-
-template <typename C,
-          bool = sizeof(IsContainerTest<C>(0)) == sizeof(IsContainer)>
-struct IsRecursiveContainerImpl;
-
-template <typename C>
-struct IsRecursiveContainerImpl<C, false> : public std::false_type {};
-
-// Since the IsRecursiveContainerImpl depends on the IsContainerTest we need to
-// obey the same inconsistencies as the IsContainerTest, namely check if
-// something is a container is relying on only const_iterator in C++11 and
-// is relying on both const_iterator and iterator otherwise
-template <typename C>
-struct IsRecursiveContainerImpl<C, true> {
-  using value_type = decltype(*std::declval<typename C::const_iterator>());
-  using type =
-      std::is_same<typename std::remove_const<
-                       typename std::remove_reference<value_type>::type>::type,
-                   C>;
-};
-
-// IsRecursiveContainer<Type> is a unary compile-time predicate that
-// evaluates whether C is a recursive container type. A recursive container
-// type is a container type whose value_type is equal to the container type
-// itself. An example for a recursive container type is
-// boost::filesystem::path, whose iterator has a value_type that is equal to
-// boost::filesystem::path.
-template <typename C>
-struct IsRecursiveContainer : public IsRecursiveContainerImpl<C>::type {};
-
-// Utilities for native arrays.
-
-// ArrayEq() compares two k-dimensional native arrays using the
-// elements' operator==, where k can be any integer >= 0.  When k is
-// 0, ArrayEq() degenerates into comparing a single pair of values.
-
-template <typename T, typename U>
-bool ArrayEq(const T* lhs, size_t size, const U* rhs);
-
-// This generic version is used when k is 0.
-template <typename T, typename U>
-inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; }
-
-// This overload is used when k >= 1.
-template <typename T, typename U, size_t N>
-inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) {
-  return internal::ArrayEq(lhs, N, rhs);
-}
-
-// This helper reduces code bloat.  If we instead put its logic inside
-// the previous ArrayEq() function, arrays with different sizes would
-// lead to different copies of the template code.
-template <typename T, typename U>
-bool ArrayEq(const T* lhs, size_t size, const U* rhs) {
-  for (size_t i = 0; i != size; i++) {
-    if (!internal::ArrayEq(lhs[i], rhs[i]))
-      return false;
-  }
-  return true;
-}
-
-// Finds the first element in the iterator range [begin, end) that
-// equals elem.  Element may be a native array type itself.
-template <typename Iter, typename Element>
-Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) {
-  for (Iter it = begin; it != end; ++it) {
-    if (internal::ArrayEq(*it, elem))
-      return it;
-  }
-  return end;
-}
-
-// CopyArray() copies a k-dimensional native array using the elements'
-// operator=, where k can be any integer >= 0.  When k is 0,
-// CopyArray() degenerates into copying a single value.
-
-template <typename T, typename U>
-void CopyArray(const T* from, size_t size, U* to);
-
-// This generic version is used when k is 0.
-template <typename T, typename U>
-inline void CopyArray(const T& from, U* to) { *to = from; }
-
-// This overload is used when k >= 1.
-template <typename T, typename U, size_t N>
-inline void CopyArray(const T(&from)[N], U(*to)[N]) {
-  internal::CopyArray(from, N, *to);
-}
-
-// This helper reduces code bloat.  If we instead put its logic inside
-// the previous CopyArray() function, arrays with different sizes
-// would lead to different copies of the template code.
-template <typename T, typename U>
-void CopyArray(const T* from, size_t size, U* to) {
-  for (size_t i = 0; i != size; i++) {
-    internal::CopyArray(from[i], to + i);
-  }
-}
-
-// The relation between an NativeArray object (see below) and the
-// native array it represents.
-// We use 2 different structs to allow non-copyable types to be used, as long
-// as RelationToSourceReference() is passed.
-struct RelationToSourceReference {};
-struct RelationToSourceCopy {};
-
-// Adapts a native array to a read-only STL-style container.  Instead
-// of the complete STL container concept, this adaptor only implements
-// members useful for Google Mock's container matchers.  New members
-// should be added as needed.  To simplify the implementation, we only
-// support Element being a raw type (i.e. having no top-level const or
-// reference modifier).  It's the client's responsibility to satisfy
-// this requirement.  Element can be an array type itself (hence
-// multi-dimensional arrays are supported).
-template <typename Element>
-class NativeArray {
- public:
-  // STL-style container typedefs.
-  typedef Element value_type;
-  typedef Element* iterator;
-  typedef const Element* const_iterator;
-
-  // Constructs from a native array. References the source.
-  NativeArray(const Element* array, size_t count, RelationToSourceReference) {
-    InitRef(array, count);
-  }
-
-  // Constructs from a native array. Copies the source.
-  NativeArray(const Element* array, size_t count, RelationToSourceCopy) {
-    InitCopy(array, count);
-  }
-
-  // Copy constructor.
-  NativeArray(const NativeArray& rhs) {
-    (this->*rhs.clone_)(rhs.array_, rhs.size_);
-  }
-
-  ~NativeArray() {
-    if (clone_ != &NativeArray::InitRef)
-      delete[] array_;
-  }
-
-  // STL-style container methods.
-  size_t size() const { return size_; }
-  const_iterator begin() const { return array_; }
-  const_iterator end() const { return array_ + size_; }
-  bool operator==(const NativeArray& rhs) const {
-    return size() == rhs.size() &&
-        ArrayEq(begin(), size(), rhs.begin());
-  }
-
- private:
-  static_assert(!std::is_const<Element>::value, "Type must not be const");
-  static_assert(!std::is_reference<Element>::value,
-                "Type must not be a reference");
-
-  // Initializes this object with a copy of the input.
-  void InitCopy(const Element* array, size_t a_size) {
-    Element* const copy = new Element[a_size];
-    CopyArray(array, a_size, copy);
-    array_ = copy;
-    size_ = a_size;
-    clone_ = &NativeArray::InitCopy;
-  }
-
-  // Initializes this object with a reference of the input.
-  void InitRef(const Element* array, size_t a_size) {
-    array_ = array;
-    size_ = a_size;
-    clone_ = &NativeArray::InitRef;
-  }
-
-  const Element* array_;
-  size_t size_;
-  void (NativeArray::*clone_)(const Element*, size_t);
-};
-
-// Backport of std::index_sequence.
-template <size_t... Is>
-struct IndexSequence {
-  using type = IndexSequence;
-};
-
-// Double the IndexSequence, and one if plus_one is true.
-template <bool plus_one, typename T, size_t sizeofT>
-struct DoubleSequence;
-template <size_t... I, size_t sizeofT>
-struct DoubleSequence<true, IndexSequence<I...>, sizeofT> {
-  using type = IndexSequence<I..., (sizeofT + I)..., 2 * sizeofT>;
-};
-template <size_t... I, size_t sizeofT>
-struct DoubleSequence<false, IndexSequence<I...>, sizeofT> {
-  using type = IndexSequence<I..., (sizeofT + I)...>;
-};
-
-// Backport of std::make_index_sequence.
-// It uses O(ln(N)) instantiation depth.
-template <size_t N>
-struct MakeIndexSequenceImpl
-    : DoubleSequence<N % 2 == 1, typename MakeIndexSequenceImpl<N / 2>::type,
-                     N / 2>::type {};
-
-template <>
-struct MakeIndexSequenceImpl<0> : IndexSequence<> {};
-
-template <size_t N>
-using MakeIndexSequence = typename MakeIndexSequenceImpl<N>::type;
-
-template <typename... T>
-using IndexSequenceFor = typename MakeIndexSequence<sizeof...(T)>::type;
-
-template <size_t>
-struct Ignore {
-  Ignore(...);  // NOLINT
-};
-
-template <typename>
-struct ElemFromListImpl;
-template <size_t... I>
-struct ElemFromListImpl<IndexSequence<I...>> {
-  // We make Ignore a template to solve a problem with MSVC.
-  // A non-template Ignore would work fine with `decltype(Ignore(I))...`, but
-  // MSVC doesn't understand how to deal with that pack expansion.
-  // Use `0 * I` to have a single instantiation of Ignore.
-  template <typename R>
-  static R Apply(Ignore<0 * I>..., R (*)(), ...);
-};
-
-template <size_t N, typename... T>
-struct ElemFromList {
-  using type =
-      decltype(ElemFromListImpl<typename MakeIndexSequence<N>::type>::Apply(
-          static_cast<T (*)()>(nullptr)...));
-};
-
-struct FlatTupleConstructTag {};
-
-template <typename... T>
-class FlatTuple;
-
-template <typename Derived, size_t I>
-struct FlatTupleElemBase;
-
-template <typename... T, size_t I>
-struct FlatTupleElemBase<FlatTuple<T...>, I> {
-  using value_type = typename ElemFromList<I, T...>::type;
-  FlatTupleElemBase() = default;
-  template <typename Arg>
-  explicit FlatTupleElemBase(FlatTupleConstructTag, Arg&& t)
-      : value(std::forward<Arg>(t)) {}
-  value_type value;
-};
-
-template <typename Derived, typename Idx>
-struct FlatTupleBase;
-
-template <size_t... Idx, typename... T>
-struct FlatTupleBase<FlatTuple<T...>, IndexSequence<Idx...>>
-    : FlatTupleElemBase<FlatTuple<T...>, Idx>... {
-  using Indices = IndexSequence<Idx...>;
-  FlatTupleBase() = default;
-  template <typename... Args>
-  explicit FlatTupleBase(FlatTupleConstructTag, Args&&... args)
-      : FlatTupleElemBase<FlatTuple<T...>, Idx>(FlatTupleConstructTag{},
-                                                std::forward<Args>(args))... {}
-
-  template <size_t I>
-  const typename ElemFromList<I, T...>::type& Get() const {
-    return FlatTupleElemBase<FlatTuple<T...>, I>::value;
-  }
-
-  template <size_t I>
-  typename ElemFromList<I, T...>::type& Get() {
-    return FlatTupleElemBase<FlatTuple<T...>, I>::value;
-  }
-
-  template <typename F>
-  auto Apply(F&& f) -> decltype(std::forward<F>(f)(this->Get<Idx>()...)) {
-    return std::forward<F>(f)(Get<Idx>()...);
-  }
-
-  template <typename F>
-  auto Apply(F&& f) const -> decltype(std::forward<F>(f)(this->Get<Idx>()...)) {
-    return std::forward<F>(f)(Get<Idx>()...);
-  }
-};
-
-// Analog to std::tuple but with different tradeoffs.
-// This class minimizes the template instantiation depth, thus allowing more
-// elements than std::tuple would. std::tuple has been seen to require an
-// instantiation depth of more than 10x the number of elements in some
-// implementations.
-// FlatTuple and ElemFromList are not recursive and have a fixed depth
-// regardless of T...
-// MakeIndexSequence, on the other hand, it is recursive but with an
-// instantiation depth of O(ln(N)).
-template <typename... T>
-class FlatTuple
-    : private FlatTupleBase<FlatTuple<T...>,
-                            typename MakeIndexSequence<sizeof...(T)>::type> {
-  using Indices = typename FlatTupleBase<
-      FlatTuple<T...>, typename MakeIndexSequence<sizeof...(T)>::type>::Indices;
-
- public:
-  FlatTuple() = default;
-  template <typename... Args>
-  explicit FlatTuple(FlatTupleConstructTag tag, Args&&... args)
-      : FlatTuple::FlatTupleBase(tag, std::forward<Args>(args)...) {}
-
-  using FlatTuple::FlatTupleBase::Apply;
-  using FlatTuple::FlatTupleBase::Get;
-};
-
-// Utility functions to be called with static_assert to induce deprecation
-// warnings.
-GTEST_INTERNAL_DEPRECATED(
-    "INSTANTIATE_TEST_CASE_P is deprecated, please use "
-    "INSTANTIATE_TEST_SUITE_P")
-constexpr bool InstantiateTestCase_P_IsDeprecated() { return true; }
-
-GTEST_INTERNAL_DEPRECATED(
-    "TYPED_TEST_CASE_P is deprecated, please use "
-    "TYPED_TEST_SUITE_P")
-constexpr bool TypedTestCase_P_IsDeprecated() { return true; }
-
-GTEST_INTERNAL_DEPRECATED(
-    "TYPED_TEST_CASE is deprecated, please use "
-    "TYPED_TEST_SUITE")
-constexpr bool TypedTestCaseIsDeprecated() { return true; }
-
-GTEST_INTERNAL_DEPRECATED(
-    "REGISTER_TYPED_TEST_CASE_P is deprecated, please use "
-    "REGISTER_TYPED_TEST_SUITE_P")
-constexpr bool RegisterTypedTestCase_P_IsDeprecated() { return true; }
-
-GTEST_INTERNAL_DEPRECATED(
-    "INSTANTIATE_TYPED_TEST_CASE_P is deprecated, please use "
-    "INSTANTIATE_TYPED_TEST_SUITE_P")
-constexpr bool InstantiateTypedTestCase_P_IsDeprecated() { return true; }
-
-}  // namespace internal
-}  // namespace testing
-
-namespace std {
-// Some standard library implementations use `struct tuple_size` and some use
-// `class tuple_size`. Clang warns about the mismatch.
-// https://reviews.llvm.org/D55466
-#ifdef __clang__
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wmismatched-tags"
-#endif
-template <typename... Ts>
-struct tuple_size<testing::internal::FlatTuple<Ts...>>
-    : std::integral_constant<size_t, sizeof...(Ts)> {};
-#ifdef __clang__
-#pragma clang diagnostic pop
-#endif
-}  // namespace std
-
-#define GTEST_MESSAGE_AT_(file, line, message, result_type) \
-  ::testing::internal::AssertHelper(result_type, file, line, message) \
-    = ::testing::Message()
-
-#define GTEST_MESSAGE_(message, result_type) \
-  GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type)
-
-#define GTEST_FATAL_FAILURE_(message) \
-  return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure)
-
-#define GTEST_NONFATAL_FAILURE_(message) \
-  GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure)
-
-#define GTEST_SUCCESS_(message) \
-  GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess)
-
-#define GTEST_SKIP_(message) \
-  return GTEST_MESSAGE_(message, ::testing::TestPartResult::kSkip)
-
-// Suppress MSVC warning 4072 (unreachable code) for the code following
-// statement if it returns or throws (or doesn't return or throw in some
-// situations).
-// NOTE: The "else" is important to keep this expansion to prevent a top-level
-// "else" from attaching to our "if".
-#define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \
-  if (::testing::internal::AlwaysTrue()) {                        \
-    statement;                                                    \
-  } else                     /* NOLINT */                         \
-    static_assert(true, "")  // User must have a semicolon after expansion.
-
-#if GTEST_HAS_EXCEPTIONS
-
-namespace testing {
-namespace internal {
-
-class NeverThrown {
- public:
-  const char* what() const noexcept {
-    return "this exception should never be thrown";
-  }
-};
-
-}  // namespace internal
-}  // namespace testing
-
-#if GTEST_HAS_RTTI
-
-#define GTEST_EXCEPTION_TYPE_(e) ::testing::internal::GetTypeName(typeid(e))
-
-#else  // GTEST_HAS_RTTI
-
-#define GTEST_EXCEPTION_TYPE_(e) \
-  std::string { "an std::exception-derived error" }
-
-#endif  // GTEST_HAS_RTTI
-
-#define GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception)   \
-  catch (typename std::conditional<                                            \
-         std::is_same<typename std::remove_cv<typename std::remove_reference<  \
-                          expected_exception>::type>::type,                    \
-                      std::exception>::value,                                  \
-         const ::testing::internal::NeverThrown&, const std::exception&>::type \
-             e) {                                                              \
-    gtest_msg.value = "Expected: " #statement                                  \
-                      " throws an exception of type " #expected_exception      \
-                      ".\n  Actual: it throws ";                               \
-    gtest_msg.value += GTEST_EXCEPTION_TYPE_(e);                               \
-    gtest_msg.value += " with description \"";                                 \
-    gtest_msg.value += e.what();                                               \
-    gtest_msg.value += "\".";                                                  \
-    goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);                \
-  }
-
-#else  // GTEST_HAS_EXCEPTIONS
-
-#define GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception)
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-#define GTEST_TEST_THROW_(statement, expected_exception, fail)              \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                             \
-  if (::testing::internal::TrueWithString gtest_msg{}) {                    \
-    bool gtest_caught_expected = false;                                     \
-    try {                                                                   \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);            \
-    } catch (expected_exception const&) {                                   \
-      gtest_caught_expected = true;                                         \
-    }                                                                       \
-    GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception)    \
-    catch (...) {                                                           \
-      gtest_msg.value = "Expected: " #statement                             \
-                        " throws an exception of type " #expected_exception \
-                        ".\n  Actual: it throws a different type.";         \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);           \
-    }                                                                       \
-    if (!gtest_caught_expected) {                                           \
-      gtest_msg.value = "Expected: " #statement                             \
-                        " throws an exception of type " #expected_exception \
-                        ".\n  Actual: it throws nothing.";                  \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__);           \
-    }                                                                       \
-  } else /*NOLINT*/                                                         \
-    GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__)                   \
-        : fail(gtest_msg.value.c_str())
-
-#if GTEST_HAS_EXCEPTIONS
-
-#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_()                \
-  catch (std::exception const& e) {                               \
-    gtest_msg.value = "it throws ";                               \
-    gtest_msg.value += GTEST_EXCEPTION_TYPE_(e);                  \
-    gtest_msg.value += " with description \"";                    \
-    gtest_msg.value += e.what();                                  \
-    gtest_msg.value += "\".";                                     \
-    goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
-  }
-
-#else  // GTEST_HAS_EXCEPTIONS
-
-#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_()
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-#define GTEST_TEST_NO_THROW_(statement, fail) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-  if (::testing::internal::TrueWithString gtest_msg{}) { \
-    try { \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
-    } \
-    GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_() \
-    catch (...) { \
-      gtest_msg.value = "it throws."; \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
-    } \
-  } else \
-    GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \
-      fail(("Expected: " #statement " doesn't throw an exception.\n" \
-            "  Actual: " + gtest_msg.value).c_str())
-
-#define GTEST_TEST_ANY_THROW_(statement, fail) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-  if (::testing::internal::AlwaysTrue()) { \
-    bool gtest_caught_any = false; \
-    try { \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
-    } \
-    catch (...) { \
-      gtest_caught_any = true; \
-    } \
-    if (!gtest_caught_any) { \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \
-    } \
-  } else \
-    GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \
-      fail("Expected: " #statement " throws an exception.\n" \
-           "  Actual: it doesn't.")
-
-
-// Implements Boolean test assertions such as EXPECT_TRUE. expression can be
-// either a boolean expression or an AssertionResult. text is a textual
-// representation of expression as it was passed into the EXPECT_TRUE.
-#define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-  if (const ::testing::AssertionResult gtest_ar_ = \
-      ::testing::AssertionResult(expression)) \
-    ; \
-  else \
-    fail(::testing::internal::GetBoolAssertionFailureMessage(\
-        gtest_ar_, text, #actual, #expected).c_str())
-
-#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-  if (::testing::internal::AlwaysTrue()) { \
-    ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \
-    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
-    if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \
-    } \
-  } else \
-    GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \
-      fail("Expected: " #statement " doesn't generate new fatal " \
-           "failures in the current thread.\n" \
-           "  Actual: it does.")
-
-// Expands to the name of the class that implements the given test.
-#define GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \
-  test_suite_name##_##test_name##_Test
-
-// Helper macro for defining tests.
-#define GTEST_TEST_(test_suite_name, test_name, parent_class, parent_id)      \
-  static_assert(sizeof(GTEST_STRINGIFY_(test_suite_name)) > 1,                \
-                "test_suite_name must not be empty");                         \
-  static_assert(sizeof(GTEST_STRINGIFY_(test_name)) > 1,                      \
-                "test_name must not be empty");                               \
-  class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)                    \
-      : public parent_class {                                                 \
-   public:                                                                    \
-    GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() = default;           \
-    ~GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() override = default; \
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name,   \
-                                                           test_name));       \
-    GTEST_DISALLOW_MOVE_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name,   \
-                                                           test_name));       \
-                                                                              \
-   private:                                                                   \
-    void TestBody() override;                                                 \
-    static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;     \
-  };                                                                          \
-                                                                              \
-  ::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_suite_name,          \
-                                                    test_name)::test_info_ =  \
-      ::testing::internal::MakeAndRegisterTestInfo(                           \
-          #test_suite_name, #test_name, nullptr, nullptr,                     \
-          ::testing::internal::CodeLocation(__FILE__, __LINE__), (parent_id), \
-          ::testing::internal::SuiteApiResolver<                              \
-              parent_class>::GetSetUpCaseOrSuite(__FILE__, __LINE__),         \
-          ::testing::internal::SuiteApiResolver<                              \
-              parent_class>::GetTearDownCaseOrSuite(__FILE__, __LINE__),      \
-          new ::testing::internal::TestFactoryImpl<GTEST_TEST_CLASS_NAME_(    \
-              test_suite_name, test_name)>);                                  \
-  void GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::TestBody()
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file defines the public API for death tests.  It is
-// #included by gtest.h so a user doesn't need to include this
-// directly.
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_
-
-// Copyright 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This header file defines internal utilities needed for implementing
-// death tests.  They are subject to change without notice.
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// The Google C++ Testing and Mocking Framework (Google Test)
-//
-// This file implements just enough of the matcher interface to allow
-// EXPECT_DEATH and friends to accept a matcher argument.
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_MATCHERS_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_MATCHERS_H_
-
-#include <atomic>
-#include <memory>
-#include <ostream>
-#include <string>
-#include <type_traits>
-
-// Copyright 2007, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Google Test - The Google C++ Testing and Mocking Framework
-//
-// This file implements a universal value printer that can print a
-// value of any type T:
-//
-//   void ::testing::internal::UniversalPrinter<T>::Print(value, ostream_ptr);
-//
-// A user can teach this function how to print a class type T by
-// defining either operator<<() or PrintTo() in the namespace that
-// defines T.  More specifically, the FIRST defined function in the
-// following list will be used (assuming T is defined in namespace
-// foo):
-//
-//   1. foo::PrintTo(const T&, ostream*)
-//   2. operator<<(ostream&, const T&) defined in either foo or the
-//      global namespace.
-//
-// However if T is an STL-style container then it is printed element-wise
-// unless foo::PrintTo(const T&, ostream*) is defined. Note that
-// operator<<() is ignored for container types.
-//
-// If none of the above is defined, it will print the debug string of
-// the value if it is a protocol buffer, or print the raw bytes in the
-// value otherwise.
-//
-// To aid debugging: when T is a reference type, the address of the
-// value is also printed; when T is a (const) char pointer, both the
-// pointer value and the NUL-terminated string it points to are
-// printed.
-//
-// We also provide some convenient wrappers:
-//
-//   // Prints a value to a string.  For a (const or not) char
-//   // pointer, the NUL-terminated string (but not the pointer) is
-//   // printed.
-//   std::string ::testing::PrintToString(const T& value);
-//
-//   // Prints a value tersely: for a reference type, the referenced
-//   // value (but not the address) is printed; for a (const or not) char
-//   // pointer, the NUL-terminated string (but not the pointer) is
-//   // printed.
-//   void ::testing::internal::UniversalTersePrint(const T& value, ostream*);
-//
-//   // Prints value using the type inferred by the compiler.  The difference
-//   // from UniversalTersePrint() is that this function prints both the
-//   // pointer and the NUL-terminated string for a (const or not) char pointer.
-//   void ::testing::internal::UniversalPrint(const T& value, ostream*);
-//
-//   // Prints the fields of a tuple tersely to a string vector, one
-//   // element for each field. Tuple support must be enabled in
-//   // gtest-port.h.
-//   std::vector<string> UniversalTersePrintTupleFieldsToStrings(
-//       const Tuple& value);
-//
-// Known limitation:
-//
-// The print primitives print the elements of an STL-style container
-// using the compiler-inferred type of *iter where iter is a
-// const_iterator of the container.  When const_iterator is an input
-// iterator but not a forward iterator, this inferred type may not
-// match value_type, and the print output may be incorrect.  In
-// practice, this is rarely a problem as for most containers
-// const_iterator is a forward iterator.  We'll fix this if there's an
-// actual need for it.  Note that this fix cannot rely on value_type
-// being defined as many user-defined container types don't have
-// value_type.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
-
-#include <functional>
-#include <memory>
-#include <ostream>  // NOLINT
-#include <sstream>
-#include <string>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
-
-#if GTEST_HAS_RTTI
-#include <typeindex>
-#include <typeinfo>
-#endif  // GTEST_HAS_RTTI
-
-namespace testing {
-
-// Definitions in the internal* namespaces are subject to change without notice.
-// DO NOT USE THEM IN USER CODE!
-namespace internal {
-
-template <typename T>
-void UniversalPrint(const T& value, ::std::ostream* os);
-
-// Used to print an STL-style container when the user doesn't define
-// a PrintTo() for it.
-struct ContainerPrinter {
-  template <typename T,
-            typename = typename std::enable_if<
-                (sizeof(IsContainerTest<T>(0)) == sizeof(IsContainer)) &&
-                !IsRecursiveContainer<T>::value>::type>
-  static void PrintValue(const T& container, std::ostream* os) {
-    const size_t kMaxCount = 32;  // The maximum number of elements to print.
-    *os << '{';
-    size_t count = 0;
-    for (auto&& elem : container) {
-      if (count > 0) {
-        *os << ',';
-        if (count == kMaxCount) {  // Enough has been printed.
-          *os << " ...";
-          break;
-        }
-      }
-      *os << ' ';
-      // We cannot call PrintTo(elem, os) here as PrintTo() doesn't
-      // handle `elem` being a native array.
-      internal::UniversalPrint(elem, os);
-      ++count;
-    }
-
-    if (count > 0) {
-      *os << ' ';
-    }
-    *os << '}';
-  }
-};
-
-// Used to print a pointer that is neither a char pointer nor a member
-// pointer, when the user doesn't define PrintTo() for it.  (A member
-// variable pointer or member function pointer doesn't really point to
-// a location in the address space.  Their representation is
-// implementation-defined.  Therefore they will be printed as raw
-// bytes.)
-struct FunctionPointerPrinter {
-  template <typename T, typename = typename std::enable_if<
-                            std::is_function<T>::value>::type>
-  static void PrintValue(T* p, ::std::ostream* os) {
-    if (p == nullptr) {
-      *os << "NULL";
-    } else {
-      // T is a function type, so '*os << p' doesn't do what we want
-      // (it just prints p as bool).  We want to print p as a const
-      // void*.
-      *os << reinterpret_cast<const void*>(p);
-    }
-  }
-};
-
-struct PointerPrinter {
-  template <typename T>
-  static void PrintValue(T* p, ::std::ostream* os) {
-    if (p == nullptr) {
-      *os << "NULL";
-    } else {
-      // T is not a function type.  We just call << to print p,
-      // relying on ADL to pick up user-defined << for their pointer
-      // types, if any.
-      *os << p;
-    }
-  }
-};
-
-namespace internal_stream_operator_without_lexical_name_lookup {
-
-// The presence of an operator<< here will terminate lexical scope lookup
-// straight away (even though it cannot be a match because of its argument
-// types). Thus, the two operator<< calls in StreamPrinter will find only ADL
-// candidates.
-struct LookupBlocker {};
-void operator<<(LookupBlocker, LookupBlocker);
-
-struct StreamPrinter {
-  template <typename T,
-            // Don't accept member pointers here. We'd print them via implicit
-            // conversion to bool, which isn't useful.
-            typename = typename std::enable_if<
-                !std::is_member_pointer<T>::value>::type,
-            // Only accept types for which we can find a streaming operator via
-            // ADL (possibly involving implicit conversions).
-            typename = decltype(std::declval<std::ostream&>()
-                                << std::declval<const T&>())>
-  static void PrintValue(const T& value, ::std::ostream* os) {
-    // Call streaming operator found by ADL, possibly with implicit conversions
-    // of the arguments.
-    *os << value;
-  }
-};
-
-}  // namespace internal_stream_operator_without_lexical_name_lookup
-
-struct ProtobufPrinter {
-  // We print a protobuf using its ShortDebugString() when the string
-  // doesn't exceed this many characters; otherwise we print it using
-  // DebugString() for better readability.
-  static const size_t kProtobufOneLinerMaxLength = 50;
-
-  template <typename T,
-            typename = typename std::enable_if<
-                internal::HasDebugStringAndShortDebugString<T>::value>::type>
-  static void PrintValue(const T& value, ::std::ostream* os) {
-    std::string pretty_str = value.ShortDebugString();
-    if (pretty_str.length() > kProtobufOneLinerMaxLength) {
-      pretty_str = "\n" + value.DebugString();
-    }
-    *os << ("<" + pretty_str + ">");
-  }
-};
-
-struct ConvertibleToIntegerPrinter {
-  // Since T has no << operator or PrintTo() but can be implicitly
-  // converted to BiggestInt, we print it as a BiggestInt.
-  //
-  // Most likely T is an enum type (either named or unnamed), in which
-  // case printing it as an integer is the desired behavior.  In case
-  // T is not an enum, printing it as an integer is the best we can do
-  // given that it has no user-defined printer.
-  static void PrintValue(internal::BiggestInt value, ::std::ostream* os) {
-    *os << value;
-  }
-};
-
-struct ConvertibleToStringViewPrinter {
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  static void PrintValue(internal::StringView value, ::std::ostream* os) {
-    internal::UniversalPrint(value, os);
-  }
-#endif
-};
-
-
-// Prints the given number of bytes in the given object to the given
-// ostream.
-GTEST_API_ void PrintBytesInObjectTo(const unsigned char* obj_bytes,
-                                     size_t count,
-                                     ::std::ostream* os);
-struct RawBytesPrinter {
-  // SFINAE on `sizeof` to make sure we have a complete type.
-  template <typename T, size_t = sizeof(T)>
-  static void PrintValue(const T& value, ::std::ostream* os) {
-    PrintBytesInObjectTo(
-        static_cast<const unsigned char*>(
-            // Load bearing cast to void* to support iOS
-            reinterpret_cast<const void*>(std::addressof(value))),
-        sizeof(value), os);
-  }
-};
-
-struct FallbackPrinter {
-  template <typename T>
-  static void PrintValue(const T&, ::std::ostream* os) {
-    *os << "(incomplete type)";
-  }
-};
-
-// Try every printer in order and return the first one that works.
-template <typename T, typename E, typename Printer, typename... Printers>
-struct FindFirstPrinter : FindFirstPrinter<T, E, Printers...> {};
-
-template <typename T, typename Printer, typename... Printers>
-struct FindFirstPrinter<
-    T, decltype(Printer::PrintValue(std::declval<const T&>(), nullptr)),
-    Printer, Printers...> {
-  using type = Printer;
-};
-
-// Select the best printer in the following order:
-//  - Print containers (they have begin/end/etc).
-//  - Print function pointers.
-//  - Print object pointers.
-//  - Use the stream operator, if available.
-//  - Print protocol buffers.
-//  - Print types convertible to BiggestInt.
-//  - Print types convertible to StringView, if available.
-//  - Fallback to printing the raw bytes of the object.
-template <typename T>
-void PrintWithFallback(const T& value, ::std::ostream* os) {
-  using Printer = typename FindFirstPrinter<
-      T, void, ContainerPrinter, FunctionPointerPrinter, PointerPrinter,
-      internal_stream_operator_without_lexical_name_lookup::StreamPrinter,
-      ProtobufPrinter, ConvertibleToIntegerPrinter,
-      ConvertibleToStringViewPrinter, RawBytesPrinter, FallbackPrinter>::type;
-  Printer::PrintValue(value, os);
-}
-
-// FormatForComparison<ToPrint, OtherOperand>::Format(value) formats a
-// value of type ToPrint that is an operand of a comparison assertion
-// (e.g. ASSERT_EQ).  OtherOperand is the type of the other operand in
-// the comparison, and is used to help determine the best way to
-// format the value.  In particular, when the value is a C string
-// (char pointer) and the other operand is an STL string object, we
-// want to format the C string as a string, since we know it is
-// compared by value with the string object.  If the value is a char
-// pointer but the other operand is not an STL string object, we don't
-// know whether the pointer is supposed to point to a NUL-terminated
-// string, and thus want to print it as a pointer to be safe.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-
-// The default case.
-template <typename ToPrint, typename OtherOperand>
-class FormatForComparison {
- public:
-  static ::std::string Format(const ToPrint& value) {
-    return ::testing::PrintToString(value);
-  }
-};
-
-// Array.
-template <typename ToPrint, size_t N, typename OtherOperand>
-class FormatForComparison<ToPrint[N], OtherOperand> {
- public:
-  static ::std::string Format(const ToPrint* value) {
-    return FormatForComparison<const ToPrint*, OtherOperand>::Format(value);
-  }
-};
-
-// By default, print C string as pointers to be safe, as we don't know
-// whether they actually point to a NUL-terminated string.
-
-#define GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(CharType)                \
-  template <typename OtherOperand>                                      \
-  class FormatForComparison<CharType*, OtherOperand> {                  \
-   public:                                                              \
-    static ::std::string Format(CharType* value) {                      \
-      return ::testing::PrintToString(static_cast<const void*>(value)); \
-    }                                                                   \
-  }
-
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(wchar_t);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const wchar_t);
-#ifdef __cpp_char8_t
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char8_t);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char8_t);
-#endif
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char16_t);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char16_t);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char32_t);
-GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char32_t);
-
-#undef GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_
-
-// If a C string is compared with an STL string object, we know it's meant
-// to point to a NUL-terminated string, and thus can print it as a string.
-
-#define GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(CharType, OtherStringType) \
-  template <>                                                           \
-  class FormatForComparison<CharType*, OtherStringType> {               \
-   public:                                                              \
-    static ::std::string Format(CharType* value) {                      \
-      return ::testing::PrintToString(value);                           \
-    }                                                                   \
-  }
-
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::std::string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::std::string);
-#ifdef __cpp_char8_t
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char8_t, ::std::u8string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char8_t, ::std::u8string);
-#endif
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char16_t, ::std::u16string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char16_t, ::std::u16string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char32_t, ::std::u32string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char32_t, ::std::u32string);
-
-#if GTEST_HAS_STD_WSTRING
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::std::wstring);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::std::wstring);
-#endif
-
-#undef GTEST_IMPL_FORMAT_C_STRING_AS_STRING_
-
-// Formats a comparison assertion (e.g. ASSERT_EQ, EXPECT_LT, and etc)
-// operand to be used in a failure message.  The type (but not value)
-// of the other operand may affect the format.  This allows us to
-// print a char* as a raw pointer when it is compared against another
-// char* or void*, and print it as a C string when it is compared
-// against an std::string object, for example.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-template <typename T1, typename T2>
-std::string FormatForComparisonFailureMessage(
-    const T1& value, const T2& /* other_operand */) {
-  return FormatForComparison<T1, T2>::Format(value);
-}
-
-// UniversalPrinter<T>::Print(value, ostream_ptr) prints the given
-// value to the given ostream.  The caller must ensure that
-// 'ostream_ptr' is not NULL, or the behavior is undefined.
-//
-// We define UniversalPrinter as a class template (as opposed to a
-// function template), as we need to partially specialize it for
-// reference types, which cannot be done with function templates.
-template <typename T>
-class UniversalPrinter;
-
-// Prints the given value using the << operator if it has one;
-// otherwise prints the bytes in it.  This is what
-// UniversalPrinter<T>::Print() does when PrintTo() is not specialized
-// or overloaded for type T.
-//
-// A user can override this behavior for a class type Foo by defining
-// an overload of PrintTo() in the namespace where Foo is defined.  We
-// give the user this option as sometimes defining a << operator for
-// Foo is not desirable (e.g. the coding style may prevent doing it,
-// or there is already a << operator but it doesn't do what the user
-// wants).
-template <typename T>
-void PrintTo(const T& value, ::std::ostream* os) {
-  internal::PrintWithFallback(value, os);
-}
-
-// The following list of PrintTo() overloads tells
-// UniversalPrinter<T>::Print() how to print standard types (built-in
-// types, strings, plain arrays, and pointers).
-
-// Overloads for various char types.
-GTEST_API_ void PrintTo(unsigned char c, ::std::ostream* os);
-GTEST_API_ void PrintTo(signed char c, ::std::ostream* os);
-inline void PrintTo(char c, ::std::ostream* os) {
-  // When printing a plain char, we always treat it as unsigned.  This
-  // way, the output won't be affected by whether the compiler thinks
-  // char is signed or not.
-  PrintTo(static_cast<unsigned char>(c), os);
-}
-
-// Overloads for other simple built-in types.
-inline void PrintTo(bool x, ::std::ostream* os) {
-  *os << (x ? "true" : "false");
-}
-
-// Overload for wchar_t type.
-// Prints a wchar_t as a symbol if it is printable or as its internal
-// code otherwise and also as its decimal code (except for L'\0').
-// The L'\0' char is printed as "L'\\0'". The decimal code is printed
-// as signed integer when wchar_t is implemented by the compiler
-// as a signed type and is printed as an unsigned integer when wchar_t
-// is implemented as an unsigned type.
-GTEST_API_ void PrintTo(wchar_t wc, ::std::ostream* os);
-
-GTEST_API_ void PrintTo(char32_t c, ::std::ostream* os);
-inline void PrintTo(char16_t c, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<char32_t>(c), os);
-}
-#ifdef __cpp_char8_t
-inline void PrintTo(char8_t c, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<char32_t>(c), os);
-}
-#endif
-
-// Overloads for C strings.
-GTEST_API_ void PrintTo(const char* s, ::std::ostream* os);
-inline void PrintTo(char* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const char*>(s), os);
-}
-
-// signed/unsigned char is often used for representing binary data, so
-// we print pointers to it as void* to be safe.
-inline void PrintTo(const signed char* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const void*>(s), os);
-}
-inline void PrintTo(signed char* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const void*>(s), os);
-}
-inline void PrintTo(const unsigned char* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const void*>(s), os);
-}
-inline void PrintTo(unsigned char* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const void*>(s), os);
-}
-#ifdef __cpp_char8_t
-// Overloads for u8 strings.
-void PrintTo(const char8_t* s, ::std::ostream* os);
-inline void PrintTo(char8_t* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const char8_t*>(s), os);
-}
-#endif
-// Overloads for u16 strings.
-void PrintTo(const char16_t* s, ::std::ostream* os);
-inline void PrintTo(char16_t* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const char16_t*>(s), os);
-}
-// Overloads for u32 strings.
-void PrintTo(const char32_t* s, ::std::ostream* os);
-inline void PrintTo(char32_t* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const char32_t*>(s), os);
-}
-
-// MSVC can be configured to define wchar_t as a typedef of unsigned
-// short.  It defines _NATIVE_WCHAR_T_DEFINED when wchar_t is a native
-// type.  When wchar_t is a typedef, defining an overload for const
-// wchar_t* would cause unsigned short* be printed as a wide string,
-// possibly causing invalid memory accesses.
-#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
-// Overloads for wide C strings
-GTEST_API_ void PrintTo(const wchar_t* s, ::std::ostream* os);
-inline void PrintTo(wchar_t* s, ::std::ostream* os) {
-  PrintTo(ImplicitCast_<const wchar_t*>(s), os);
-}
-#endif
-
-// Overload for C arrays.  Multi-dimensional arrays are printed
-// properly.
-
-// Prints the given number of elements in an array, without printing
-// the curly braces.
-template <typename T>
-void PrintRawArrayTo(const T a[], size_t count, ::std::ostream* os) {
-  UniversalPrint(a[0], os);
-  for (size_t i = 1; i != count; i++) {
-    *os << ", ";
-    UniversalPrint(a[i], os);
-  }
-}
-
-// Overloads for ::std::string.
-GTEST_API_ void PrintStringTo(const ::std::string&s, ::std::ostream* os);
-inline void PrintTo(const ::std::string& s, ::std::ostream* os) {
-  PrintStringTo(s, os);
-}
-
-// Overloads for ::std::u8string
-#ifdef __cpp_char8_t
-GTEST_API_ void PrintU8StringTo(const ::std::u8string& s, ::std::ostream* os);
-inline void PrintTo(const ::std::u8string& s, ::std::ostream* os) {
-  PrintU8StringTo(s, os);
-}
-#endif
-
-// Overloads for ::std::u16string
-GTEST_API_ void PrintU16StringTo(const ::std::u16string& s, ::std::ostream* os);
-inline void PrintTo(const ::std::u16string& s, ::std::ostream* os) {
-  PrintU16StringTo(s, os);
-}
-
-// Overloads for ::std::u32string
-GTEST_API_ void PrintU32StringTo(const ::std::u32string& s, ::std::ostream* os);
-inline void PrintTo(const ::std::u32string& s, ::std::ostream* os) {
-  PrintU32StringTo(s, os);
-}
-
-// Overloads for ::std::wstring.
-#if GTEST_HAS_STD_WSTRING
-GTEST_API_ void PrintWideStringTo(const ::std::wstring&s, ::std::ostream* os);
-inline void PrintTo(const ::std::wstring& s, ::std::ostream* os) {
-  PrintWideStringTo(s, os);
-}
-#endif  // GTEST_HAS_STD_WSTRING
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-// Overload for internal::StringView.
-inline void PrintTo(internal::StringView sp, ::std::ostream* os) {
-  PrintTo(::std::string(sp), os);
-}
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-inline void PrintTo(std::nullptr_t, ::std::ostream* os) { *os << "(nullptr)"; }
-
-template <typename T>
-void PrintTo(std::reference_wrapper<T> ref, ::std::ostream* os) {
-  UniversalPrinter<T&>::Print(ref.get(), os);
-}
-
-inline const void* VoidifyPointer(const void* p) { return p; }
-inline const void* VoidifyPointer(volatile const void* p) {
-  return const_cast<const void*>(p);
-}
-
-template <typename T, typename Ptr>
-void PrintSmartPointer(const Ptr& ptr, std::ostream* os, char) {
-  if (ptr == nullptr) {
-    *os << "(nullptr)";
-  } else {
-    // We can't print the value. Just print the pointer..
-    *os << "(" << (VoidifyPointer)(ptr.get()) << ")";
-  }
-}
-template <typename T, typename Ptr,
-          typename = typename std::enable_if<!std::is_void<T>::value &&
-                                             !std::is_array<T>::value>::type>
-void PrintSmartPointer(const Ptr& ptr, std::ostream* os, int) {
-  if (ptr == nullptr) {
-    *os << "(nullptr)";
-  } else {
-    *os << "(ptr = " << (VoidifyPointer)(ptr.get()) << ", value = ";
-    UniversalPrinter<T>::Print(*ptr, os);
-    *os << ")";
-  }
-}
-
-template <typename T, typename D>
-void PrintTo(const std::unique_ptr<T, D>& ptr, std::ostream* os) {
-  (PrintSmartPointer<T>)(ptr, os, 0);
-}
-
-template <typename T>
-void PrintTo(const std::shared_ptr<T>& ptr, std::ostream* os) {
-  (PrintSmartPointer<T>)(ptr, os, 0);
-}
-
-// Helper function for printing a tuple.  T must be instantiated with
-// a tuple type.
-template <typename T>
-void PrintTupleTo(const T&, std::integral_constant<size_t, 0>,
-                  ::std::ostream*) {}
-
-template <typename T, size_t I>
-void PrintTupleTo(const T& t, std::integral_constant<size_t, I>,
-                  ::std::ostream* os) {
-  PrintTupleTo(t, std::integral_constant<size_t, I - 1>(), os);
-  GTEST_INTENTIONAL_CONST_COND_PUSH_()
-  if (I > 1) {
-    GTEST_INTENTIONAL_CONST_COND_POP_()
-    *os << ", ";
-  }
-  UniversalPrinter<typename std::tuple_element<I - 1, T>::type>::Print(
-      std::get<I - 1>(t), os);
-}
-
-template <typename... Types>
-void PrintTo(const ::std::tuple<Types...>& t, ::std::ostream* os) {
-  *os << "(";
-  PrintTupleTo(t, std::integral_constant<size_t, sizeof...(Types)>(), os);
-  *os << ")";
-}
-
-// Overload for std::pair.
-template <typename T1, typename T2>
-void PrintTo(const ::std::pair<T1, T2>& value, ::std::ostream* os) {
-  *os << '(';
-  // We cannot use UniversalPrint(value.first, os) here, as T1 may be
-  // a reference type.  The same for printing value.second.
-  UniversalPrinter<T1>::Print(value.first, os);
-  *os << ", ";
-  UniversalPrinter<T2>::Print(value.second, os);
-  *os << ')';
-}
-
-#if GTEST_HAS_RTTI
-inline void PrintTo(const ::std::type_info& value, ::std::ostream* os) {
-  internal::PrintTo<::std::type_info>(value, os);
-  *os << " (\"" << value.name() << "\")";
-}
-
-inline void PrintTo(const ::std::type_index& value, ::std::ostream* os) {
-  internal::PrintTo<::std::type_index>(value, os);
-  *os << " (\"" << value.name() << "\")";
-}
-#endif  // GTEST_HAS_RTTI
-
-// Implements printing a non-reference type T by letting the compiler
-// pick the right overload of PrintTo() for T.
-template <typename T>
-class UniversalPrinter {
- public:
-  // MSVC warns about adding const to a function type, so we want to
-  // disable the warning.
-  GTEST_DISABLE_MSC_WARNINGS_PUSH_(4180)
-
-  // Note: we deliberately don't call this PrintTo(), as that name
-  // conflicts with ::testing::internal::PrintTo in the body of the
-  // function.
-  static void Print(const T& value, ::std::ostream* os) {
-    // By default, ::testing::internal::PrintTo() is used for printing
-    // the value.
-    //
-    // Thanks to Koenig look-up, if T is a class and has its own
-    // PrintTo() function defined in its namespace, that function will
-    // be visible here.  Since it is more specific than the generic ones
-    // in ::testing::internal, it will be picked by the compiler in the
-    // following statement - exactly what we want.
-    PrintTo(value, os);
-  }
-
-  GTEST_DISABLE_MSC_WARNINGS_POP_()
-};
-
-// Remove any const-qualifiers before passing a type to UniversalPrinter.
-template <typename T>
-class UniversalPrinter<const T> : public UniversalPrinter<T> {};
-
-#if GTEST_INTERNAL_HAS_ANY
-
-// Printer for std::any / absl::any
-
-template <>
-class UniversalPrinter<Any> {
- public:
-  static void Print(const Any& value, ::std::ostream* os) {
-    if (value.has_value()) {
-      *os << "value of type " << GetTypeName(value);
-    } else {
-      *os << "no value";
-    }
-  }
-
- private:
-  static std::string GetTypeName(const Any& value) {
-#if GTEST_HAS_RTTI
-    return internal::GetTypeName(value.type());
-#else
-    static_cast<void>(value);  // possibly unused
-    return "<unknown_type>";
-#endif  // GTEST_HAS_RTTI
-  }
-};
-
-#endif  // GTEST_INTERNAL_HAS_ANY
-
-#if GTEST_INTERNAL_HAS_OPTIONAL
-
-// Printer for std::optional / absl::optional
-
-template <typename T>
-class UniversalPrinter<Optional<T>> {
- public:
-  static void Print(const Optional<T>& value, ::std::ostream* os) {
-    *os << '(';
-    if (!value) {
-      *os << "nullopt";
-    } else {
-      UniversalPrint(*value, os);
-    }
-    *os << ')';
-  }
-};
-
-#endif  // GTEST_INTERNAL_HAS_OPTIONAL
-
-#if GTEST_INTERNAL_HAS_VARIANT
-
-// Printer for std::variant / absl::variant
-
-template <typename... T>
-class UniversalPrinter<Variant<T...>> {
- public:
-  static void Print(const Variant<T...>& value, ::std::ostream* os) {
-    *os << '(';
-#if GTEST_HAS_ABSL
-    absl::visit(Visitor{os, value.index()}, value);
-#else
-    std::visit(Visitor{os, value.index()}, value);
-#endif  // GTEST_HAS_ABSL
-    *os << ')';
-  }
-
- private:
-  struct Visitor {
-    template <typename U>
-    void operator()(const U& u) const {
-      *os << "'" << GetTypeName<U>() << "(index = " << index
-          << ")' with value ";
-      UniversalPrint(u, os);
-    }
-    ::std::ostream* os;
-    std::size_t index;
-  };
-};
-
-#endif  // GTEST_INTERNAL_HAS_VARIANT
-
-// UniversalPrintArray(begin, len, os) prints an array of 'len'
-// elements, starting at address 'begin'.
-template <typename T>
-void UniversalPrintArray(const T* begin, size_t len, ::std::ostream* os) {
-  if (len == 0) {
-    *os << "{}";
-  } else {
-    *os << "{ ";
-    const size_t kThreshold = 18;
-    const size_t kChunkSize = 8;
-    // If the array has more than kThreshold elements, we'll have to
-    // omit some details by printing only the first and the last
-    // kChunkSize elements.
-    if (len <= kThreshold) {
-      PrintRawArrayTo(begin, len, os);
-    } else {
-      PrintRawArrayTo(begin, kChunkSize, os);
-      *os << ", ..., ";
-      PrintRawArrayTo(begin + len - kChunkSize, kChunkSize, os);
-    }
-    *os << " }";
-  }
-}
-// This overload prints a (const) char array compactly.
-GTEST_API_ void UniversalPrintArray(
-    const char* begin, size_t len, ::std::ostream* os);
-
-#ifdef __cpp_char8_t
-// This overload prints a (const) char8_t array compactly.
-GTEST_API_ void UniversalPrintArray(const char8_t* begin, size_t len,
-                                    ::std::ostream* os);
-#endif
-
-// This overload prints a (const) char16_t array compactly.
-GTEST_API_ void UniversalPrintArray(const char16_t* begin, size_t len,
-                                    ::std::ostream* os);
-
-// This overload prints a (const) char32_t array compactly.
-GTEST_API_ void UniversalPrintArray(const char32_t* begin, size_t len,
-                                    ::std::ostream* os);
-
-// This overload prints a (const) wchar_t array compactly.
-GTEST_API_ void UniversalPrintArray(
-    const wchar_t* begin, size_t len, ::std::ostream* os);
-
-// Implements printing an array type T[N].
-template <typename T, size_t N>
-class UniversalPrinter<T[N]> {
- public:
-  // Prints the given array, omitting some elements when there are too
-  // many.
-  static void Print(const T (&a)[N], ::std::ostream* os) {
-    UniversalPrintArray(a, N, os);
-  }
-};
-
-// Implements printing a reference type T&.
-template <typename T>
-class UniversalPrinter<T&> {
- public:
-  // MSVC warns about adding const to a function type, so we want to
-  // disable the warning.
-  GTEST_DISABLE_MSC_WARNINGS_PUSH_(4180)
-
-  static void Print(const T& value, ::std::ostream* os) {
-    // Prints the address of the value.  We use reinterpret_cast here
-    // as static_cast doesn't compile when T is a function type.
-    *os << "@" << reinterpret_cast<const void*>(&value) << " ";
-
-    // Then prints the value itself.
-    UniversalPrint(value, os);
-  }
-
-  GTEST_DISABLE_MSC_WARNINGS_POP_()
-};
-
-// Prints a value tersely: for a reference type, the referenced value
-// (but not the address) is printed; for a (const) char pointer, the
-// NUL-terminated string (but not the pointer) is printed.
-
-template <typename T>
-class UniversalTersePrinter {
- public:
-  static void Print(const T& value, ::std::ostream* os) {
-    UniversalPrint(value, os);
-  }
-};
-template <typename T>
-class UniversalTersePrinter<T&> {
- public:
-  static void Print(const T& value, ::std::ostream* os) {
-    UniversalPrint(value, os);
-  }
-};
-template <typename T, size_t N>
-class UniversalTersePrinter<T[N]> {
- public:
-  static void Print(const T (&value)[N], ::std::ostream* os) {
-    UniversalPrinter<T[N]>::Print(value, os);
-  }
-};
-template <>
-class UniversalTersePrinter<const char*> {
- public:
-  static void Print(const char* str, ::std::ostream* os) {
-    if (str == nullptr) {
-      *os << "NULL";
-    } else {
-      UniversalPrint(std::string(str), os);
-    }
-  }
-};
-template <>
-class UniversalTersePrinter<char*> : public UniversalTersePrinter<const char*> {
-};
-
-#ifdef __cpp_char8_t
-template <>
-class UniversalTersePrinter<const char8_t*> {
- public:
-  static void Print(const char8_t* str, ::std::ostream* os) {
-    if (str == nullptr) {
-      *os << "NULL";
-    } else {
-      UniversalPrint(::std::u8string(str), os);
-    }
-  }
-};
-template <>
-class UniversalTersePrinter<char8_t*>
-    : public UniversalTersePrinter<const char8_t*> {};
-#endif
-
-template <>
-class UniversalTersePrinter<const char16_t*> {
- public:
-  static void Print(const char16_t* str, ::std::ostream* os) {
-    if (str == nullptr) {
-      *os << "NULL";
-    } else {
-      UniversalPrint(::std::u16string(str), os);
-    }
-  }
-};
-template <>
-class UniversalTersePrinter<char16_t*>
-    : public UniversalTersePrinter<const char16_t*> {};
-
-template <>
-class UniversalTersePrinter<const char32_t*> {
- public:
-  static void Print(const char32_t* str, ::std::ostream* os) {
-    if (str == nullptr) {
-      *os << "NULL";
-    } else {
-      UniversalPrint(::std::u32string(str), os);
-    }
-  }
-};
-template <>
-class UniversalTersePrinter<char32_t*>
-    : public UniversalTersePrinter<const char32_t*> {};
-
-#if GTEST_HAS_STD_WSTRING
-template <>
-class UniversalTersePrinter<const wchar_t*> {
- public:
-  static void Print(const wchar_t* str, ::std::ostream* os) {
-    if (str == nullptr) {
-      *os << "NULL";
-    } else {
-      UniversalPrint(::std::wstring(str), os);
-    }
-  }
-};
-#endif
-
-template <>
-class UniversalTersePrinter<wchar_t*> {
- public:
-  static void Print(wchar_t* str, ::std::ostream* os) {
-    UniversalTersePrinter<const wchar_t*>::Print(str, os);
-  }
-};
-
-template <typename T>
-void UniversalTersePrint(const T& value, ::std::ostream* os) {
-  UniversalTersePrinter<T>::Print(value, os);
-}
-
-// Prints a value using the type inferred by the compiler.  The
-// difference between this and UniversalTersePrint() is that for a
-// (const) char pointer, this prints both the pointer and the
-// NUL-terminated string.
-template <typename T>
-void UniversalPrint(const T& value, ::std::ostream* os) {
-  // A workarond for the bug in VC++ 7.1 that prevents us from instantiating
-  // UniversalPrinter with T directly.
-  typedef T T1;
-  UniversalPrinter<T1>::Print(value, os);
-}
-
-typedef ::std::vector< ::std::string> Strings;
-
-  // Tersely prints the first N fields of a tuple to a string vector,
-  // one element for each field.
-template <typename Tuple>
-void TersePrintPrefixToStrings(const Tuple&, std::integral_constant<size_t, 0>,
-                               Strings*) {}
-template <typename Tuple, size_t I>
-void TersePrintPrefixToStrings(const Tuple& t,
-                               std::integral_constant<size_t, I>,
-                               Strings* strings) {
-  TersePrintPrefixToStrings(t, std::integral_constant<size_t, I - 1>(),
-                            strings);
-  ::std::stringstream ss;
-  UniversalTersePrint(std::get<I - 1>(t), &ss);
-  strings->push_back(ss.str());
-}
-
-// Prints the fields of a tuple tersely to a string vector, one
-// element for each field.  See the comment before
-// UniversalTersePrint() for how we define "tersely".
-template <typename Tuple>
-Strings UniversalTersePrintTupleFieldsToStrings(const Tuple& value) {
-  Strings result;
-  TersePrintPrefixToStrings(
-      value, std::integral_constant<size_t, std::tuple_size<Tuple>::value>(),
-      &result);
-  return result;
-}
-
-}  // namespace internal
-
-template <typename T>
-::std::string PrintToString(const T& value) {
-  ::std::stringstream ss;
-  internal::UniversalTersePrinter<T>::Print(value, &ss);
-  return ss.str();
-}
-
-}  // namespace testing
-
-// Include any custom printer added by the local installation.
-// We must include this header at the end to make sure it can use the
-// declarations from this file.
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// This file provides an injection point for custom printers in a local
-// installation of gTest.
-// It will be included from gtest-printers.h and the overrides in this file
-// will be visible to everyone.
-//
-// Injection point for custom user configurations. See README for details
-//
-// ** Custom implementation starts here **
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
-
-// MSVC warning C5046 is new as of VS2017 version 15.8.
-#if defined(_MSC_VER) && _MSC_VER >= 1915
-#define GTEST_MAYBE_5046_ 5046
-#else
-#define GTEST_MAYBE_5046_
-#endif
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(
-    4251 GTEST_MAYBE_5046_ /* class A needs to have dll-interface to be used by
-                              clients of class B */
-    /* Symbol involving type with internal linkage not defined */)
-
-namespace testing {
-
-// To implement a matcher Foo for type T, define:
-//   1. a class FooMatcherMatcher that implements the matcher interface:
-//     using is_gtest_matcher = void;
-//     bool MatchAndExplain(const T&, std::ostream*);
-//       (MatchResultListener* can also be used instead of std::ostream*)
-//     void DescribeTo(std::ostream*);
-//     void DescribeNegationTo(std::ostream*);
-//
-//   2. a factory function that creates a Matcher<T> object from a
-//      FooMatcherMatcher.
-
-class MatchResultListener {
- public:
-  // Creates a listener object with the given underlying ostream.  The
-  // listener does not own the ostream, and does not dereference it
-  // in the constructor or destructor.
-  explicit MatchResultListener(::std::ostream* os) : stream_(os) {}
-  virtual ~MatchResultListener() = 0;  // Makes this class abstract.
-
-  // Streams x to the underlying ostream; does nothing if the ostream
-  // is NULL.
-  template <typename T>
-  MatchResultListener& operator<<(const T& x) {
-    if (stream_ != nullptr) *stream_ << x;
-    return *this;
-  }
-
-  // Returns the underlying ostream.
-  ::std::ostream* stream() { return stream_; }
-
-  // Returns true if and only if the listener is interested in an explanation
-  // of the match result.  A matcher's MatchAndExplain() method can use
-  // this information to avoid generating the explanation when no one
-  // intends to hear it.
-  bool IsInterested() const { return stream_ != nullptr; }
-
- private:
-  ::std::ostream* const stream_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(MatchResultListener);
-};
-
-inline MatchResultListener::~MatchResultListener() {
-}
-
-// An instance of a subclass of this knows how to describe itself as a
-// matcher.
-class MatcherDescriberInterface {
- public:
-  virtual ~MatcherDescriberInterface() {}
-
-  // Describes this matcher to an ostream.  The function should print
-  // a verb phrase that describes the property a value matching this
-  // matcher should have.  The subject of the verb phrase is the value
-  // being matched.  For example, the DescribeTo() method of the Gt(7)
-  // matcher prints "is greater than 7".
-  virtual void DescribeTo(::std::ostream* os) const = 0;
-
-  // Describes the negation of this matcher to an ostream.  For
-  // example, if the description of this matcher is "is greater than
-  // 7", the negated description could be "is not greater than 7".
-  // You are not required to override this when implementing
-  // MatcherInterface, but it is highly advised so that your matcher
-  // can produce good error messages.
-  virtual void DescribeNegationTo(::std::ostream* os) const {
-    *os << "not (";
-    DescribeTo(os);
-    *os << ")";
-  }
-};
-
-// The implementation of a matcher.
-template <typename T>
-class MatcherInterface : public MatcherDescriberInterface {
- public:
-  // Returns true if and only if the matcher matches x; also explains the
-  // match result to 'listener' if necessary (see the next paragraph), in
-  // the form of a non-restrictive relative clause ("which ...",
-  // "whose ...", etc) that describes x.  For example, the
-  // MatchAndExplain() method of the Pointee(...) matcher should
-  // generate an explanation like "which points to ...".
-  //
-  // Implementations of MatchAndExplain() should add an explanation of
-  // the match result *if and only if* they can provide additional
-  // information that's not already present (or not obvious) in the
-  // print-out of x and the matcher's description.  Whether the match
-  // succeeds is not a factor in deciding whether an explanation is
-  // needed, as sometimes the caller needs to print a failure message
-  // when the match succeeds (e.g. when the matcher is used inside
-  // Not()).
-  //
-  // For example, a "has at least 10 elements" matcher should explain
-  // what the actual element count is, regardless of the match result,
-  // as it is useful information to the reader; on the other hand, an
-  // "is empty" matcher probably only needs to explain what the actual
-  // size is when the match fails, as it's redundant to say that the
-  // size is 0 when the value is already known to be empty.
-  //
-  // You should override this method when defining a new matcher.
-  //
-  // It's the responsibility of the caller (Google Test) to guarantee
-  // that 'listener' is not NULL.  This helps to simplify a matcher's
-  // implementation when it doesn't care about the performance, as it
-  // can talk to 'listener' without checking its validity first.
-  // However, in order to implement dummy listeners efficiently,
-  // listener->stream() may be NULL.
-  virtual bool MatchAndExplain(T x, MatchResultListener* listener) const = 0;
-
-  // Inherits these methods from MatcherDescriberInterface:
-  //   virtual void DescribeTo(::std::ostream* os) const = 0;
-  //   virtual void DescribeNegationTo(::std::ostream* os) const;
-};
-
-namespace internal {
-
-struct AnyEq {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a == b; }
-};
-struct AnyNe {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a != b; }
-};
-struct AnyLt {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a < b; }
-};
-struct AnyGt {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a > b; }
-};
-struct AnyLe {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a <= b; }
-};
-struct AnyGe {
-  template <typename A, typename B>
-  bool operator()(const A& a, const B& b) const { return a >= b; }
-};
-
-// A match result listener that ignores the explanation.
-class DummyMatchResultListener : public MatchResultListener {
- public:
-  DummyMatchResultListener() : MatchResultListener(nullptr) {}
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(DummyMatchResultListener);
-};
-
-// A match result listener that forwards the explanation to a given
-// ostream.  The difference between this and MatchResultListener is
-// that the former is concrete.
-class StreamMatchResultListener : public MatchResultListener {
- public:
-  explicit StreamMatchResultListener(::std::ostream* os)
-      : MatchResultListener(os) {}
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamMatchResultListener);
-};
-
-struct SharedPayloadBase {
-  std::atomic<int> ref{1};
-  void Ref() { ref.fetch_add(1, std::memory_order_relaxed); }
-  bool Unref() { return ref.fetch_sub(1, std::memory_order_acq_rel) == 1; }
-};
-
-template <typename T>
-struct SharedPayload : SharedPayloadBase {
-  explicit SharedPayload(const T& v) : value(v) {}
-  explicit SharedPayload(T&& v) : value(std::move(v)) {}
-
-  static void Destroy(SharedPayloadBase* shared) {
-    delete static_cast<SharedPayload*>(shared);
-  }
-
-  T value;
-};
-
-template <typename T>
-using is_trivially_copy_constructible =
-#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5
-    std::has_trivial_copy_constructor<T>;
-#else
-    std::is_trivially_copy_constructible<T>;
-#endif
-
-// An internal class for implementing Matcher<T>, which will derive
-// from it.  We put functionalities common to all Matcher<T>
-// specializations here to avoid code duplication.
-template <typename T>
-class MatcherBase : private MatcherDescriberInterface {
- public:
-  // Returns true if and only if the matcher matches x; also explains the
-  // match result to 'listener'.
-  bool MatchAndExplain(const T& x, MatchResultListener* listener) const {
-    GTEST_CHECK_(vtable_ != nullptr);
-    return vtable_->match_and_explain(*this, x, listener);
-  }
-
-  // Returns true if and only if this matcher matches x.
-  bool Matches(const T& x) const {
-    DummyMatchResultListener dummy;
-    return MatchAndExplain(x, &dummy);
-  }
-
-  // Describes this matcher to an ostream.
-  void DescribeTo(::std::ostream* os) const final {
-    GTEST_CHECK_(vtable_ != nullptr);
-    vtable_->describe(*this, os, false);
-  }
-
-  // Describes the negation of this matcher to an ostream.
-  void DescribeNegationTo(::std::ostream* os) const final {
-    GTEST_CHECK_(vtable_ != nullptr);
-    vtable_->describe(*this, os, true);
-  }
-
-  // Explains why x matches, or doesn't match, the matcher.
-  void ExplainMatchResultTo(const T& x, ::std::ostream* os) const {
-    StreamMatchResultListener listener(os);
-    MatchAndExplain(x, &listener);
-  }
-
-  // Returns the describer for this matcher object; retains ownership
-  // of the describer, which is only guaranteed to be alive when
-  // this matcher object is alive.
-  const MatcherDescriberInterface* GetDescriber() const {
-    if (vtable_ == nullptr) return nullptr;
-    return vtable_->get_describer(*this);
-  }
-
- protected:
-  MatcherBase() : vtable_(nullptr) {}
-
-  // Constructs a matcher from its implementation.
-  template <typename U>
-  explicit MatcherBase(const MatcherInterface<U>* impl) {
-    Init(impl);
-  }
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  MatcherBase(M&& m) {  // NOLINT
-    Init(std::forward<M>(m));
-  }
-
-  MatcherBase(const MatcherBase& other)
-      : vtable_(other.vtable_), buffer_(other.buffer_) {
-    if (IsShared()) buffer_.shared->Ref();
-  }
-
-  MatcherBase& operator=(const MatcherBase& other) {
-    if (this == &other) return *this;
-    Destroy();
-    vtable_ = other.vtable_;
-    buffer_ = other.buffer_;
-    if (IsShared()) buffer_.shared->Ref();
-    return *this;
-  }
-
-  MatcherBase(MatcherBase&& other)
-      : vtable_(other.vtable_), buffer_(other.buffer_) {
-    other.vtable_ = nullptr;
-  }
-
-  MatcherBase& operator=(MatcherBase&& other) {
-    if (this == &other) return *this;
-    Destroy();
-    vtable_ = other.vtable_;
-    buffer_ = other.buffer_;
-    other.vtable_ = nullptr;
-    return *this;
-  }
-
-  ~MatcherBase() override { Destroy(); }
-
- private:
-  struct VTable {
-    bool (*match_and_explain)(const MatcherBase&, const T&,
-                              MatchResultListener*);
-    void (*describe)(const MatcherBase&, std::ostream*, bool negation);
-    // Returns the captured object if it implements the interface, otherwise
-    // returns the MatcherBase itself.
-    const MatcherDescriberInterface* (*get_describer)(const MatcherBase&);
-    // Called on shared instances when the reference count reaches 0.
-    void (*shared_destroy)(SharedPayloadBase*);
-  };
-
-  bool IsShared() const {
-    return vtable_ != nullptr && vtable_->shared_destroy != nullptr;
-  }
-
-  // If the implementation uses a listener, call that.
-  template <typename P>
-  static auto MatchAndExplainImpl(const MatcherBase& m, const T& value,
-                                  MatchResultListener* listener)
-      -> decltype(P::Get(m).MatchAndExplain(value, listener->stream())) {
-    return P::Get(m).MatchAndExplain(value, listener->stream());
-  }
-
-  template <typename P>
-  static auto MatchAndExplainImpl(const MatcherBase& m, const T& value,
-                                  MatchResultListener* listener)
-      -> decltype(P::Get(m).MatchAndExplain(value, listener)) {
-    return P::Get(m).MatchAndExplain(value, listener);
-  }
-
-  template <typename P>
-  static void DescribeImpl(const MatcherBase& m, std::ostream* os,
-                           bool negation) {
-    if (negation) {
-      P::Get(m).DescribeNegationTo(os);
-    } else {
-      P::Get(m).DescribeTo(os);
-    }
-  }
-
-  template <typename P>
-  static const MatcherDescriberInterface* GetDescriberImpl(
-      const MatcherBase& m) {
-    // If the impl is a MatcherDescriberInterface, then return it.
-    // Otherwise use MatcherBase itself.
-    // This allows us to implement the GetDescriber() function without support
-    // from the impl, but some users really want to get their impl back when
-    // they call GetDescriber().
-    // We use std::get on a tuple as a workaround of not having `if constexpr`.
-    return std::get<(
-        std::is_convertible<decltype(&P::Get(m)),
-                            const MatcherDescriberInterface*>::value
-            ? 1
-            : 0)>(std::make_tuple(&m, &P::Get(m)));
-  }
-
-  template <typename P>
-  const VTable* GetVTable() {
-    static constexpr VTable kVTable = {&MatchAndExplainImpl<P>,
-                                       &DescribeImpl<P>, &GetDescriberImpl<P>,
-                                       P::shared_destroy};
-    return &kVTable;
-  }
-
-  union Buffer {
-    // Add some types to give Buffer some common alignment/size use cases.
-    void* ptr;
-    double d;
-    int64_t i;
-    // And add one for the out-of-line cases.
-    SharedPayloadBase* shared;
-  };
-
-  void Destroy() {
-    if (IsShared() && buffer_.shared->Unref()) {
-      vtable_->shared_destroy(buffer_.shared);
-    }
-  }
-
-  template <typename M>
-  static constexpr bool IsInlined() {
-    return sizeof(M) <= sizeof(Buffer) && alignof(M) <= alignof(Buffer) &&
-           is_trivially_copy_constructible<M>::value &&
-           std::is_trivially_destructible<M>::value;
-  }
-
-  template <typename M, bool = MatcherBase::IsInlined<M>()>
-  struct ValuePolicy {
-    static const M& Get(const MatcherBase& m) {
-      // When inlined along with Init, need to be explicit to avoid violating
-      // strict aliasing rules.
-      const M *ptr = static_cast<const M*>(
-          static_cast<const void*>(&m.buffer_));
-      return *ptr;
-    }
-    static void Init(MatcherBase& m, M impl) {
-      ::new (static_cast<void*>(&m.buffer_)) M(impl);
-    }
-    static constexpr auto shared_destroy = nullptr;
-  };
-
-  template <typename M>
-  struct ValuePolicy<M, false> {
-    using Shared = SharedPayload<M>;
-    static const M& Get(const MatcherBase& m) {
-      return static_cast<Shared*>(m.buffer_.shared)->value;
-    }
-    template <typename Arg>
-    static void Init(MatcherBase& m, Arg&& arg) {
-      m.buffer_.shared = new Shared(std::forward<Arg>(arg));
-    }
-    static constexpr auto shared_destroy = &Shared::Destroy;
-  };
-
-  template <typename U, bool B>
-  struct ValuePolicy<const MatcherInterface<U>*, B> {
-    using M = const MatcherInterface<U>;
-    using Shared = SharedPayload<std::unique_ptr<M>>;
-    static const M& Get(const MatcherBase& m) {
-      return *static_cast<Shared*>(m.buffer_.shared)->value;
-    }
-    static void Init(MatcherBase& m, M* impl) {
-      m.buffer_.shared = new Shared(std::unique_ptr<M>(impl));
-    }
-
-    static constexpr auto shared_destroy = &Shared::Destroy;
-  };
-
-  template <typename M>
-  void Init(M&& m) {
-    using MM = typename std::decay<M>::type;
-    using Policy = ValuePolicy<MM>;
-    vtable_ = GetVTable<Policy>();
-    Policy::Init(*this, std::forward<M>(m));
-  }
-
-  const VTable* vtable_;
-  Buffer buffer_;
-};
-
-}  // namespace internal
-
-// A Matcher<T> is a copyable and IMMUTABLE (except by assignment)
-// object that can check whether a value of type T matches.  The
-// implementation of Matcher<T> is just a std::shared_ptr to const
-// MatcherInterface<T>.  Don't inherit from Matcher!
-template <typename T>
-class Matcher : public internal::MatcherBase<T> {
- public:
-  // Constructs a null matcher.  Needed for storing Matcher objects in STL
-  // containers.  A default-constructed matcher is not yet initialized.  You
-  // cannot use it until a valid value has been assigned to it.
-  explicit Matcher() {}  // NOLINT
-
-  // Constructs a matcher from its implementation.
-  explicit Matcher(const MatcherInterface<const T&>* impl)
-      : internal::MatcherBase<T>(impl) {}
-
-  template <typename U>
-  explicit Matcher(
-      const MatcherInterface<U>* impl,
-      typename std::enable_if<!std::is_same<U, const U&>::value>::type* =
-          nullptr)
-      : internal::MatcherBase<T>(impl) {}
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  Matcher(M&& m) : internal::MatcherBase<T>(std::forward<M>(m)) {}  // NOLINT
-
-  // Implicit constructor here allows people to write
-  // EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes
-  Matcher(T value);  // NOLINT
-};
-
-// The following two specializations allow the user to write str
-// instead of Eq(str) and "foo" instead of Eq("foo") when a std::string
-// matcher is expected.
-template <>
-class GTEST_API_ Matcher<const std::string&>
-    : public internal::MatcherBase<const std::string&> {
- public:
-  Matcher() {}
-
-  explicit Matcher(const MatcherInterface<const std::string&>* impl)
-      : internal::MatcherBase<const std::string&>(impl) {}
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  Matcher(M&& m)  // NOLINT
-      : internal::MatcherBase<const std::string&>(std::forward<M>(m)) {}
-
-  // Allows the user to write str instead of Eq(str) sometimes, where
-  // str is a std::string object.
-  Matcher(const std::string& s);  // NOLINT
-
-  // Allows the user to write "foo" instead of Eq("foo") sometimes.
-  Matcher(const char* s);  // NOLINT
-};
-
-template <>
-class GTEST_API_ Matcher<std::string>
-    : public internal::MatcherBase<std::string> {
- public:
-  Matcher() {}
-
-  explicit Matcher(const MatcherInterface<const std::string&>* impl)
-      : internal::MatcherBase<std::string>(impl) {}
-  explicit Matcher(const MatcherInterface<std::string>* impl)
-      : internal::MatcherBase<std::string>(impl) {}
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  Matcher(M&& m)  // NOLINT
-      : internal::MatcherBase<std::string>(std::forward<M>(m)) {}
-
-  // Allows the user to write str instead of Eq(str) sometimes, where
-  // str is a string object.
-  Matcher(const std::string& s);  // NOLINT
-
-  // Allows the user to write "foo" instead of Eq("foo") sometimes.
-  Matcher(const char* s);  // NOLINT
-};
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-// The following two specializations allow the user to write str
-// instead of Eq(str) and "foo" instead of Eq("foo") when a absl::string_view
-// matcher is expected.
-template <>
-class GTEST_API_ Matcher<const internal::StringView&>
-    : public internal::MatcherBase<const internal::StringView&> {
- public:
-  Matcher() {}
-
-  explicit Matcher(const MatcherInterface<const internal::StringView&>* impl)
-      : internal::MatcherBase<const internal::StringView&>(impl) {}
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  Matcher(M&& m)  // NOLINT
-      : internal::MatcherBase<const internal::StringView&>(std::forward<M>(m)) {
-  }
-
-  // Allows the user to write str instead of Eq(str) sometimes, where
-  // str is a std::string object.
-  Matcher(const std::string& s);  // NOLINT
-
-  // Allows the user to write "foo" instead of Eq("foo") sometimes.
-  Matcher(const char* s);  // NOLINT
-
-  // Allows the user to pass absl::string_views or std::string_views directly.
-  Matcher(internal::StringView s);  // NOLINT
-};
-
-template <>
-class GTEST_API_ Matcher<internal::StringView>
-    : public internal::MatcherBase<internal::StringView> {
- public:
-  Matcher() {}
-
-  explicit Matcher(const MatcherInterface<const internal::StringView&>* impl)
-      : internal::MatcherBase<internal::StringView>(impl) {}
-  explicit Matcher(const MatcherInterface<internal::StringView>* impl)
-      : internal::MatcherBase<internal::StringView>(impl) {}
-
-  template <typename M, typename = typename std::remove_reference<
-                            M>::type::is_gtest_matcher>
-  Matcher(M&& m)  // NOLINT
-      : internal::MatcherBase<internal::StringView>(std::forward<M>(m)) {}
-
-  // Allows the user to write str instead of Eq(str) sometimes, where
-  // str is a std::string object.
-  Matcher(const std::string& s);  // NOLINT
-
-  // Allows the user to write "foo" instead of Eq("foo") sometimes.
-  Matcher(const char* s);  // NOLINT
-
-  // Allows the user to pass absl::string_views or std::string_views directly.
-  Matcher(internal::StringView s);  // NOLINT
-};
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-// Prints a matcher in a human-readable format.
-template <typename T>
-std::ostream& operator<<(std::ostream& os, const Matcher<T>& matcher) {
-  matcher.DescribeTo(&os);
-  return os;
-}
-
-// The PolymorphicMatcher class template makes it easy to implement a
-// polymorphic matcher (i.e. a matcher that can match values of more
-// than one type, e.g. Eq(n) and NotNull()).
-//
-// To define a polymorphic matcher, a user should provide an Impl
-// class that has a DescribeTo() method and a DescribeNegationTo()
-// method, and define a member function (or member function template)
-//
-//   bool MatchAndExplain(const Value& value,
-//                        MatchResultListener* listener) const;
-//
-// See the definition of NotNull() for a complete example.
-template <class Impl>
-class PolymorphicMatcher {
- public:
-  explicit PolymorphicMatcher(const Impl& an_impl) : impl_(an_impl) {}
-
-  // Returns a mutable reference to the underlying matcher
-  // implementation object.
-  Impl& mutable_impl() { return impl_; }
-
-  // Returns an immutable reference to the underlying matcher
-  // implementation object.
-  const Impl& impl() const { return impl_; }
-
-  template <typename T>
-  operator Matcher<T>() const {
-    return Matcher<T>(new MonomorphicImpl<const T&>(impl_));
-  }
-
- private:
-  template <typename T>
-  class MonomorphicImpl : public MatcherInterface<T> {
-   public:
-    explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {}
-
-    void DescribeTo(::std::ostream* os) const override { impl_.DescribeTo(os); }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      impl_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(T x, MatchResultListener* listener) const override {
-      return impl_.MatchAndExplain(x, listener);
-    }
-
-   private:
-    const Impl impl_;
-  };
-
-  Impl impl_;
-};
-
-// Creates a matcher from its implementation.
-// DEPRECATED: Especially in the generic code, prefer:
-//   Matcher<T>(new MyMatcherImpl<const T&>(...));
-//
-// MakeMatcher may create a Matcher that accepts its argument by value, which
-// leads to unnecessary copies & lack of support for non-copyable types.
-template <typename T>
-inline Matcher<T> MakeMatcher(const MatcherInterface<T>* impl) {
-  return Matcher<T>(impl);
-}
-
-// Creates a polymorphic matcher from its implementation.  This is
-// easier to use than the PolymorphicMatcher<Impl> constructor as it
-// doesn't require you to explicitly write the template argument, e.g.
-//
-//   MakePolymorphicMatcher(foo);
-// vs
-//   PolymorphicMatcher<TypeOfFoo>(foo);
-template <class Impl>
-inline PolymorphicMatcher<Impl> MakePolymorphicMatcher(const Impl& impl) {
-  return PolymorphicMatcher<Impl>(impl);
-}
-
-namespace internal {
-// Implements a matcher that compares a given value with a
-// pre-supplied value using one of the ==, <=, <, etc, operators.  The
-// two values being compared don't have to have the same type.
-//
-// The matcher defined here is polymorphic (for example, Eq(5) can be
-// used to match an int, a short, a double, etc).  Therefore we use
-// a template type conversion operator in the implementation.
-//
-// The following template definition assumes that the Rhs parameter is
-// a "bare" type (i.e. neither 'const T' nor 'T&').
-template <typename D, typename Rhs, typename Op>
-class ComparisonBase {
- public:
-  explicit ComparisonBase(const Rhs& rhs) : rhs_(rhs) {}
-
-  using is_gtest_matcher = void;
-
-  template <typename Lhs>
-  bool MatchAndExplain(const Lhs& lhs, std::ostream*) const {
-    return Op()(lhs, Unwrap(rhs_));
-  }
-  void DescribeTo(std::ostream* os) const {
-    *os << D::Desc() << " ";
-    UniversalPrint(Unwrap(rhs_), os);
-  }
-  void DescribeNegationTo(std::ostream* os) const {
-    *os << D::NegatedDesc() << " ";
-    UniversalPrint(Unwrap(rhs_), os);
-  }
-
- private:
-  template <typename T>
-  static const T& Unwrap(const T& v) {
-    return v;
-  }
-  template <typename T>
-  static const T& Unwrap(std::reference_wrapper<T> v) {
-    return v;
-  }
-
-  Rhs rhs_;
-};
-
-template <typename Rhs>
-class EqMatcher : public ComparisonBase<EqMatcher<Rhs>, Rhs, AnyEq> {
- public:
-  explicit EqMatcher(const Rhs& rhs)
-      : ComparisonBase<EqMatcher<Rhs>, Rhs, AnyEq>(rhs) { }
-  static const char* Desc() { return "is equal to"; }
-  static const char* NegatedDesc() { return "isn't equal to"; }
-};
-template <typename Rhs>
-class NeMatcher : public ComparisonBase<NeMatcher<Rhs>, Rhs, AnyNe> {
- public:
-  explicit NeMatcher(const Rhs& rhs)
-      : ComparisonBase<NeMatcher<Rhs>, Rhs, AnyNe>(rhs) { }
-  static const char* Desc() { return "isn't equal to"; }
-  static const char* NegatedDesc() { return "is equal to"; }
-};
-template <typename Rhs>
-class LtMatcher : public ComparisonBase<LtMatcher<Rhs>, Rhs, AnyLt> {
- public:
-  explicit LtMatcher(const Rhs& rhs)
-      : ComparisonBase<LtMatcher<Rhs>, Rhs, AnyLt>(rhs) { }
-  static const char* Desc() { return "is <"; }
-  static const char* NegatedDesc() { return "isn't <"; }
-};
-template <typename Rhs>
-class GtMatcher : public ComparisonBase<GtMatcher<Rhs>, Rhs, AnyGt> {
- public:
-  explicit GtMatcher(const Rhs& rhs)
-      : ComparisonBase<GtMatcher<Rhs>, Rhs, AnyGt>(rhs) { }
-  static const char* Desc() { return "is >"; }
-  static const char* NegatedDesc() { return "isn't >"; }
-};
-template <typename Rhs>
-class LeMatcher : public ComparisonBase<LeMatcher<Rhs>, Rhs, AnyLe> {
- public:
-  explicit LeMatcher(const Rhs& rhs)
-      : ComparisonBase<LeMatcher<Rhs>, Rhs, AnyLe>(rhs) { }
-  static const char* Desc() { return "is <="; }
-  static const char* NegatedDesc() { return "isn't <="; }
-};
-template <typename Rhs>
-class GeMatcher : public ComparisonBase<GeMatcher<Rhs>, Rhs, AnyGe> {
- public:
-  explicit GeMatcher(const Rhs& rhs)
-      : ComparisonBase<GeMatcher<Rhs>, Rhs, AnyGe>(rhs) { }
-  static const char* Desc() { return "is >="; }
-  static const char* NegatedDesc() { return "isn't >="; }
-};
-
-template <typename T, typename = typename std::enable_if<
-                          std::is_constructible<std::string, T>::value>::type>
-using StringLike = T;
-
-// Implements polymorphic matchers MatchesRegex(regex) and
-// ContainsRegex(regex), which can be used as a Matcher<T> as long as
-// T can be converted to a string.
-class MatchesRegexMatcher {
- public:
-  MatchesRegexMatcher(const RE* regex, bool full_match)
-      : regex_(regex), full_match_(full_match) {}
-
-#if GTEST_INTERNAL_HAS_STRING_VIEW
-  bool MatchAndExplain(const internal::StringView& s,
-                       MatchResultListener* listener) const {
-    return MatchAndExplain(std::string(s), listener);
-  }
-#endif  // GTEST_INTERNAL_HAS_STRING_VIEW
-
-  // Accepts pointer types, particularly:
-  //   const char*
-  //   char*
-  //   const wchar_t*
-  //   wchar_t*
-  template <typename CharType>
-  bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
-    return s != nullptr && MatchAndExplain(std::string(s), listener);
-  }
-
-  // Matches anything that can convert to std::string.
-  //
-  // This is a template, not just a plain function with const std::string&,
-  // because absl::string_view has some interfering non-explicit constructors.
-  template <class MatcheeStringType>
-  bool MatchAndExplain(const MatcheeStringType& s,
-                       MatchResultListener* /* listener */) const {
-    const std::string& s2(s);
-    return full_match_ ? RE::FullMatch(s2, *regex_)
-                       : RE::PartialMatch(s2, *regex_);
-  }
-
-  void DescribeTo(::std::ostream* os) const {
-    *os << (full_match_ ? "matches" : "contains") << " regular expression ";
-    UniversalPrinter<std::string>::Print(regex_->pattern(), os);
-  }
-
-  void DescribeNegationTo(::std::ostream* os) const {
-    *os << "doesn't " << (full_match_ ? "match" : "contain")
-        << " regular expression ";
-    UniversalPrinter<std::string>::Print(regex_->pattern(), os);
-  }
-
- private:
-  const std::shared_ptr<const RE> regex_;
-  const bool full_match_;
-};
-}  // namespace internal
-
-// Matches a string that fully matches regular expression 'regex'.
-// The matcher takes ownership of 'regex'.
-inline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex(
-    const internal::RE* regex) {
-  return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true));
-}
-template <typename T = std::string>
-PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex(
-    const internal::StringLike<T>& regex) {
-  return MatchesRegex(new internal::RE(std::string(regex)));
-}
-
-// Matches a string that contains regular expression 'regex'.
-// The matcher takes ownership of 'regex'.
-inline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex(
-    const internal::RE* regex) {
-  return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false));
-}
-template <typename T = std::string>
-PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex(
-    const internal::StringLike<T>& regex) {
-  return ContainsRegex(new internal::RE(std::string(regex)));
-}
-
-// Creates a polymorphic matcher that matches anything equal to x.
-// Note: if the parameter of Eq() were declared as const T&, Eq("foo")
-// wouldn't compile.
-template <typename T>
-inline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); }
-
-// Constructs a Matcher<T> from a 'value' of type T.  The constructed
-// matcher matches any value that's equal to 'value'.
-template <typename T>
-Matcher<T>::Matcher(T value) { *this = Eq(value); }
-
-// Creates a monomorphic matcher that matches anything with type Lhs
-// and equal to rhs.  A user may need to use this instead of Eq(...)
-// in order to resolve an overloading ambiguity.
-//
-// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x))
-// or Matcher<T>(x), but more readable than the latter.
-//
-// We could define similar monomorphic matchers for other comparison
-// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do
-// it yet as those are used much less than Eq() in practice.  A user
-// can always write Matcher<T>(Lt(5)) to be explicit about the type,
-// for example.
-template <typename Lhs, typename Rhs>
-inline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); }
-
-// Creates a polymorphic matcher that matches anything >= x.
-template <typename Rhs>
-inline internal::GeMatcher<Rhs> Ge(Rhs x) {
-  return internal::GeMatcher<Rhs>(x);
-}
-
-// Creates a polymorphic matcher that matches anything > x.
-template <typename Rhs>
-inline internal::GtMatcher<Rhs> Gt(Rhs x) {
-  return internal::GtMatcher<Rhs>(x);
-}
-
-// Creates a polymorphic matcher that matches anything <= x.
-template <typename Rhs>
-inline internal::LeMatcher<Rhs> Le(Rhs x) {
-  return internal::LeMatcher<Rhs>(x);
-}
-
-// Creates a polymorphic matcher that matches anything < x.
-template <typename Rhs>
-inline internal::LtMatcher<Rhs> Lt(Rhs x) {
-  return internal::LtMatcher<Rhs>(x);
-}
-
-// Creates a polymorphic matcher that matches anything != x.
-template <typename Rhs>
-inline internal::NeMatcher<Rhs> Ne(Rhs x) {
-  return internal::NeMatcher<Rhs>(x);
-}
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251 5046
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_MATCHERS_H_
-
-#include <stdio.h>
-#include <memory>
-
-namespace testing {
-namespace internal {
-
-GTEST_DECLARE_string_(internal_run_death_test);
-
-// Names of the flags (needed for parsing Google Test flags).
-const char kDeathTestStyleFlag[] = "death_test_style";
-const char kDeathTestUseFork[] = "death_test_use_fork";
-const char kInternalRunDeathTestFlag[] = "internal_run_death_test";
-
-#if GTEST_HAS_DEATH_TEST
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-// DeathTest is a class that hides much of the complexity of the
-// GTEST_DEATH_TEST_ macro.  It is abstract; its static Create method
-// returns a concrete class that depends on the prevailing death test
-// style, as defined by the --gtest_death_test_style and/or
-// --gtest_internal_run_death_test flags.
-
-// In describing the results of death tests, these terms are used with
-// the corresponding definitions:
-//
-// exit status:  The integer exit information in the format specified
-//               by wait(2)
-// exit code:    The integer code passed to exit(3), _exit(2), or
-//               returned from main()
-class GTEST_API_ DeathTest {
- public:
-  // Create returns false if there was an error determining the
-  // appropriate action to take for the current death test; for example,
-  // if the gtest_death_test_style flag is set to an invalid value.
-  // The LastMessage method will return a more detailed message in that
-  // case.  Otherwise, the DeathTest pointer pointed to by the "test"
-  // argument is set.  If the death test should be skipped, the pointer
-  // is set to NULL; otherwise, it is set to the address of a new concrete
-  // DeathTest object that controls the execution of the current test.
-  static bool Create(const char* statement, Matcher<const std::string&> matcher,
-                     const char* file, int line, DeathTest** test);
-  DeathTest();
-  virtual ~DeathTest() { }
-
-  // A helper class that aborts a death test when it's deleted.
-  class ReturnSentinel {
-   public:
-    explicit ReturnSentinel(DeathTest* test) : test_(test) { }
-    ~ReturnSentinel() { test_->Abort(TEST_ENCOUNTERED_RETURN_STATEMENT); }
-   private:
-    DeathTest* const test_;
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(ReturnSentinel);
-  } GTEST_ATTRIBUTE_UNUSED_;
-
-  // An enumeration of possible roles that may be taken when a death
-  // test is encountered.  EXECUTE means that the death test logic should
-  // be executed immediately.  OVERSEE means that the program should prepare
-  // the appropriate environment for a child process to execute the death
-  // test, then wait for it to complete.
-  enum TestRole { OVERSEE_TEST, EXECUTE_TEST };
-
-  // An enumeration of the three reasons that a test might be aborted.
-  enum AbortReason {
-    TEST_ENCOUNTERED_RETURN_STATEMENT,
-    TEST_THREW_EXCEPTION,
-    TEST_DID_NOT_DIE
-  };
-
-  // Assumes one of the above roles.
-  virtual TestRole AssumeRole() = 0;
-
-  // Waits for the death test to finish and returns its status.
-  virtual int Wait() = 0;
-
-  // Returns true if the death test passed; that is, the test process
-  // exited during the test, its exit status matches a user-supplied
-  // predicate, and its stderr output matches a user-supplied regular
-  // expression.
-  // The user-supplied predicate may be a macro expression rather
-  // than a function pointer or functor, or else Wait and Passed could
-  // be combined.
-  virtual bool Passed(bool exit_status_ok) = 0;
-
-  // Signals that the death test did not die as expected.
-  virtual void Abort(AbortReason reason) = 0;
-
-  // Returns a human-readable outcome message regarding the outcome of
-  // the last death test.
-  static const char* LastMessage();
-
-  static void set_last_death_test_message(const std::string& message);
-
- private:
-  // A string containing a description of the outcome of the last death test.
-  static std::string last_death_test_message_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(DeathTest);
-};
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-// Factory interface for death tests.  May be mocked out for testing.
-class DeathTestFactory {
- public:
-  virtual ~DeathTestFactory() { }
-  virtual bool Create(const char* statement,
-                      Matcher<const std::string&> matcher, const char* file,
-                      int line, DeathTest** test) = 0;
-};
-
-// A concrete DeathTestFactory implementation for normal use.
-class DefaultDeathTestFactory : public DeathTestFactory {
- public:
-  bool Create(const char* statement, Matcher<const std::string&> matcher,
-              const char* file, int line, DeathTest** test) override;
-};
-
-// Returns true if exit_status describes a process that was terminated
-// by a signal, or exited normally with a nonzero exit code.
-GTEST_API_ bool ExitedUnsuccessfully(int exit_status);
-
-// A string passed to EXPECT_DEATH (etc.) is caught by one of these overloads
-// and interpreted as a regex (rather than an Eq matcher) for legacy
-// compatibility.
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    ::testing::internal::RE regex) {
-  return ContainsRegex(regex.pattern());
-}
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(const char* regex) {
-  return ContainsRegex(regex);
-}
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    const ::std::string& regex) {
-  return ContainsRegex(regex);
-}
-
-// If a Matcher<const ::std::string&> is passed to EXPECT_DEATH (etc.), it's
-// used directly.
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    Matcher<const ::std::string&> matcher) {
-  return matcher;
-}
-
-// Traps C++ exceptions escaping statement and reports them as test
-// failures. Note that trapping SEH exceptions is not implemented here.
-# if GTEST_HAS_EXCEPTIONS
-#  define GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, death_test) \
-  try { \
-    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
-  } catch (const ::std::exception& gtest_exception) { \
-    fprintf(\
-        stderr, \
-        "\n%s: Caught std::exception-derived exception escaping the " \
-        "death test statement. Exception message: %s\n", \
-        ::testing::internal::FormatFileLocation(__FILE__, __LINE__).c_str(), \
-        gtest_exception.what()); \
-    fflush(stderr); \
-    death_test->Abort(::testing::internal::DeathTest::TEST_THREW_EXCEPTION); \
-  } catch (...) { \
-    death_test->Abort(::testing::internal::DeathTest::TEST_THREW_EXCEPTION); \
-  }
-
-# else
-#  define GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, death_test) \
-  GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement)
-
-# endif
-
-// This macro is for implementing ASSERT_DEATH*, EXPECT_DEATH*,
-// ASSERT_EXIT*, and EXPECT_EXIT*.
-#define GTEST_DEATH_TEST_(statement, predicate, regex_or_matcher, fail)        \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                                \
-  if (::testing::internal::AlwaysTrue()) {                                     \
-    ::testing::internal::DeathTest* gtest_dt;                                  \
-    if (!::testing::internal::DeathTest::Create(                               \
-            #statement,                                                        \
-            ::testing::internal::MakeDeathTestMatcher(regex_or_matcher),       \
-            __FILE__, __LINE__, &gtest_dt)) {                                  \
-      goto GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__);                        \
-    }                                                                          \
-    if (gtest_dt != nullptr) {                                                 \
-      std::unique_ptr< ::testing::internal::DeathTest> gtest_dt_ptr(gtest_dt); \
-      switch (gtest_dt->AssumeRole()) {                                        \
-        case ::testing::internal::DeathTest::OVERSEE_TEST:                     \
-          if (!gtest_dt->Passed(predicate(gtest_dt->Wait()))) {                \
-            goto GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__);                  \
-          }                                                                    \
-          break;                                                               \
-        case ::testing::internal::DeathTest::EXECUTE_TEST: {                   \
-          ::testing::internal::DeathTest::ReturnSentinel gtest_sentinel(       \
-              gtest_dt);                                                       \
-          GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
-          gtest_dt->Abort(::testing::internal::DeathTest::TEST_DID_NOT_DIE);   \
-          break;                                                               \
-        }                                                                      \
-        default:                                                               \
-          break;                                                               \
-      }                                                                        \
-    }                                                                          \
-  } else                                                                       \
-    GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__)                                \
-        : fail(::testing::internal::DeathTest::LastMessage())
-// The symbol "fail" here expands to something into which a message
-// can be streamed.
-
-// This macro is for implementing ASSERT/EXPECT_DEBUG_DEATH when compiled in
-// NDEBUG mode. In this case we need the statements to be executed and the macro
-// must accept a streamed message even though the message is never printed.
-// The regex object is not evaluated, but it is used to prevent "unused"
-// warnings and to avoid an expression that doesn't compile in debug mode.
-#define GTEST_EXECUTE_STATEMENT_(statement, regex_or_matcher)    \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_                                  \
-  if (::testing::internal::AlwaysTrue()) {                       \
-    GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);   \
-  } else if (!::testing::internal::AlwaysTrue()) {               \
-    ::testing::internal::MakeDeathTestMatcher(regex_or_matcher); \
-  } else                                                         \
-    ::testing::Message()
-
-// A class representing the parsed contents of the
-// --gtest_internal_run_death_test flag, as it existed when
-// RUN_ALL_TESTS was called.
-class InternalRunDeathTestFlag {
- public:
-  InternalRunDeathTestFlag(const std::string& a_file,
-                           int a_line,
-                           int an_index,
-                           int a_write_fd)
-      : file_(a_file), line_(a_line), index_(an_index),
-        write_fd_(a_write_fd) {}
-
-  ~InternalRunDeathTestFlag() {
-    if (write_fd_ >= 0)
-      posix::Close(write_fd_);
-  }
-
-  const std::string& file() const { return file_; }
-  int line() const { return line_; }
-  int index() const { return index_; }
-  int write_fd() const { return write_fd_; }
-
- private:
-  std::string file_;
-  int line_;
-  int index_;
-  int write_fd_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(InternalRunDeathTestFlag);
-};
-
-// Returns a newly created InternalRunDeathTestFlag object with fields
-// initialized from the GTEST_FLAG(internal_run_death_test) flag if
-// the flag is specified; otherwise returns NULL.
-InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag();
-
-#endif  // GTEST_HAS_DEATH_TEST
-
-}  // namespace internal
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_
-
-namespace testing {
-
-// This flag controls the style of death tests.  Valid values are "threadsafe",
-// meaning that the death test child process will re-execute the test binary
-// from the start, running only a single death test, or "fast",
-// meaning that the child process will execute the test logic immediately
-// after forking.
-GTEST_DECLARE_string_(death_test_style);
-
-#if GTEST_HAS_DEATH_TEST
-
-namespace internal {
-
-// Returns a Boolean value indicating whether the caller is currently
-// executing in the context of the death test child process.  Tools such as
-// Valgrind heap checkers may need this to modify their behavior in death
-// tests.  IMPORTANT: This is an internal utility.  Using it may break the
-// implementation of death tests.  User code MUST NOT use it.
-GTEST_API_ bool InDeathTestChild();
-
-}  // namespace internal
-
-// The following macros are useful for writing death tests.
-
-// Here's what happens when an ASSERT_DEATH* or EXPECT_DEATH* is
-// executed:
-//
-//   1. It generates a warning if there is more than one active
-//   thread.  This is because it's safe to fork() or clone() only
-//   when there is a single thread.
-//
-//   2. The parent process clone()s a sub-process and runs the death
-//   test in it; the sub-process exits with code 0 at the end of the
-//   death test, if it hasn't exited already.
-//
-//   3. The parent process waits for the sub-process to terminate.
-//
-//   4. The parent process checks the exit code and error message of
-//   the sub-process.
-//
-// Examples:
-//
-//   ASSERT_DEATH(server.SendMessage(56, "Hello"), "Invalid port number");
-//   for (int i = 0; i < 5; i++) {
-//     EXPECT_DEATH(server.ProcessRequest(i),
-//                  "Invalid request .* in ProcessRequest()")
-//                  << "Failed to die on request " << i;
-//   }
-//
-//   ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), "Exiting");
-//
-//   bool KilledBySIGHUP(int exit_code) {
-//     return WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGHUP;
-//   }
-//
-//   ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, "Hanging up!");
-//
-// On the regular expressions used in death tests:
-//
-//   GOOGLETEST_CM0005 DO NOT DELETE
-//   On POSIX-compliant systems (*nix), we use the <regex.h> library,
-//   which uses the POSIX extended regex syntax.
-//
-//   On other platforms (e.g. Windows or Mac), we only support a simple regex
-//   syntax implemented as part of Google Test.  This limited
-//   implementation should be enough most of the time when writing
-//   death tests; though it lacks many features you can find in PCRE
-//   or POSIX extended regex syntax.  For example, we don't support
-//   union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and
-//   repetition count ("x{5,7}"), among others.
-//
-//   Below is the syntax that we do support.  We chose it to be a
-//   subset of both PCRE and POSIX extended regex, so it's easy to
-//   learn wherever you come from.  In the following: 'A' denotes a
-//   literal character, period (.), or a single \\ escape sequence;
-//   'x' and 'y' denote regular expressions; 'm' and 'n' are for
-//   natural numbers.
-//
-//     c     matches any literal character c
-//     \\d   matches any decimal digit
-//     \\D   matches any character that's not a decimal digit
-//     \\f   matches \f
-//     \\n   matches \n
-//     \\r   matches \r
-//     \\s   matches any ASCII whitespace, including \n
-//     \\S   matches any character that's not a whitespace
-//     \\t   matches \t
-//     \\v   matches \v
-//     \\w   matches any letter, _, or decimal digit
-//     \\W   matches any character that \\w doesn't match
-//     \\c   matches any literal character c, which must be a punctuation
-//     .     matches any single character except \n
-//     A?    matches 0 or 1 occurrences of A
-//     A*    matches 0 or many occurrences of A
-//     A+    matches 1 or many occurrences of A
-//     ^     matches the beginning of a string (not that of each line)
-//     $     matches the end of a string (not that of each line)
-//     xy    matches x followed by y
-//
-//   If you accidentally use PCRE or POSIX extended regex features
-//   not implemented by us, you will get a run-time failure.  In that
-//   case, please try to rewrite your regular expression within the
-//   above syntax.
-//
-//   This implementation is *not* meant to be as highly tuned or robust
-//   as a compiled regex library, but should perform well enough for a
-//   death test, which already incurs significant overhead by launching
-//   a child process.
-//
-// Known caveats:
-//
-//   A "threadsafe" style death test obtains the path to the test
-//   program from argv[0] and re-executes it in the sub-process.  For
-//   simplicity, the current implementation doesn't search the PATH
-//   when launching the sub-process.  This means that the user must
-//   invoke the test program via a path that contains at least one
-//   path separator (e.g. path/to/foo_test and
-//   /absolute/path/to/bar_test are fine, but foo_test is not).  This
-//   is rarely a problem as people usually don't put the test binary
-//   directory in PATH.
-//
-
-// Asserts that a given statement causes the program to exit, with an
-// integer exit status that satisfies predicate, and emitting error output
-// that matches regex.
-# define ASSERT_EXIT(statement, predicate, regex) \
-    GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_FATAL_FAILURE_)
-
-// Like ASSERT_EXIT, but continues on to successive tests in the
-// test suite, if any:
-# define EXPECT_EXIT(statement, predicate, regex) \
-    GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_NONFATAL_FAILURE_)
-
-// Asserts that a given statement causes the program to exit, either by
-// explicitly exiting with a nonzero exit code or being killed by a
-// signal, and emitting error output that matches regex.
-# define ASSERT_DEATH(statement, regex) \
-    ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)
-
-// Like ASSERT_DEATH, but continues on to successive tests in the
-// test suite, if any:
-# define EXPECT_DEATH(statement, regex) \
-    EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)
-
-// Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*:
-
-// Tests that an exit code describes a normal exit with a given exit code.
-class GTEST_API_ ExitedWithCode {
- public:
-  explicit ExitedWithCode(int exit_code);
-  ExitedWithCode(const ExitedWithCode&) = default;
-  void operator=(const ExitedWithCode& other) = delete;
-  bool operator()(int exit_status) const;
- private:
-  const int exit_code_;
-};
-
-# if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
-// Tests that an exit code describes an exit due to termination by a
-// given signal.
-// GOOGLETEST_CM0006 DO NOT DELETE
-class GTEST_API_ KilledBySignal {
- public:
-  explicit KilledBySignal(int signum);
-  bool operator()(int exit_status) const;
- private:
-  const int signum_;
-};
-# endif  // !GTEST_OS_WINDOWS
-
-// EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode.
-// The death testing framework causes this to have interesting semantics,
-// since the sideeffects of the call are only visible in opt mode, and not
-// in debug mode.
-//
-// In practice, this can be used to test functions that utilize the
-// LOG(DFATAL) macro using the following style:
-//
-// int DieInDebugOr12(int* sideeffect) {
-//   if (sideeffect) {
-//     *sideeffect = 12;
-//   }
-//   LOG(DFATAL) << "death";
-//   return 12;
-// }
-//
-// TEST(TestSuite, TestDieOr12WorksInDgbAndOpt) {
-//   int sideeffect = 0;
-//   // Only asserts in dbg.
-//   EXPECT_DEBUG_DEATH(DieInDebugOr12(&sideeffect), "death");
-//
-// #ifdef NDEBUG
-//   // opt-mode has sideeffect visible.
-//   EXPECT_EQ(12, sideeffect);
-// #else
-//   // dbg-mode no visible sideeffect.
-//   EXPECT_EQ(0, sideeffect);
-// #endif
-// }
-//
-// This will assert that DieInDebugReturn12InOpt() crashes in debug
-// mode, usually due to a DCHECK or LOG(DFATAL), but returns the
-// appropriate fallback value (12 in this case) in opt mode. If you
-// need to test that a function has appropriate side-effects in opt
-// mode, include assertions against the side-effects.  A general
-// pattern for this is:
-//
-// EXPECT_DEBUG_DEATH({
-//   // Side-effects here will have an effect after this statement in
-//   // opt mode, but none in debug mode.
-//   EXPECT_EQ(12, DieInDebugOr12(&sideeffect));
-// }, "death");
-//
-# ifdef NDEBUG
-
-#  define EXPECT_DEBUG_DEATH(statement, regex) \
-  GTEST_EXECUTE_STATEMENT_(statement, regex)
-
-#  define ASSERT_DEBUG_DEATH(statement, regex) \
-  GTEST_EXECUTE_STATEMENT_(statement, regex)
-
-# else
-
-#  define EXPECT_DEBUG_DEATH(statement, regex) \
-  EXPECT_DEATH(statement, regex)
-
-#  define ASSERT_DEBUG_DEATH(statement, regex) \
-  ASSERT_DEATH(statement, regex)
-
-# endif  // NDEBUG for EXPECT_DEBUG_DEATH
-#endif  // GTEST_HAS_DEATH_TEST
-
-// This macro is used for implementing macros such as
-// EXPECT_DEATH_IF_SUPPORTED and ASSERT_DEATH_IF_SUPPORTED on systems where
-// death tests are not supported. Those macros must compile on such systems
-// if and only if EXPECT_DEATH and ASSERT_DEATH compile with the same parameters
-// on systems that support death tests. This allows one to write such a macro on
-// a system that does not support death tests and be sure that it will compile
-// on a death-test supporting system. It is exposed publicly so that systems
-// that have death-tests with stricter requirements than GTEST_HAS_DEATH_TEST
-// can write their own equivalent of EXPECT_DEATH_IF_SUPPORTED and
-// ASSERT_DEATH_IF_SUPPORTED.
-//
-// Parameters:
-//   statement -  A statement that a macro such as EXPECT_DEATH would test
-//                for program termination. This macro has to make sure this
-//                statement is compiled but not executed, to ensure that
-//                EXPECT_DEATH_IF_SUPPORTED compiles with a certain
-//                parameter if and only if EXPECT_DEATH compiles with it.
-//   regex     -  A regex that a macro such as EXPECT_DEATH would use to test
-//                the output of statement.  This parameter has to be
-//                compiled but not evaluated by this macro, to ensure that
-//                this macro only accepts expressions that a macro such as
-//                EXPECT_DEATH would accept.
-//   terminator - Must be an empty statement for EXPECT_DEATH_IF_SUPPORTED
-//                and a return statement for ASSERT_DEATH_IF_SUPPORTED.
-//                This ensures that ASSERT_DEATH_IF_SUPPORTED will not
-//                compile inside functions where ASSERT_DEATH doesn't
-//                compile.
-//
-//  The branch that has an always false condition is used to ensure that
-//  statement and regex are compiled (and thus syntactically correct) but
-//  never executed. The unreachable code macro protects the terminator
-//  statement from generating an 'unreachable code' warning in case
-//  statement unconditionally returns or throws. The Message constructor at
-//  the end allows the syntax of streaming additional messages into the
-//  macro, for compilational compatibility with EXPECT_DEATH/ASSERT_DEATH.
-# define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, terminator) \
-    GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-    if (::testing::internal::AlwaysTrue()) { \
-      GTEST_LOG_(WARNING) \
-          << "Death tests are not supported on this platform.\n" \
-          << "Statement '" #statement "' cannot be verified."; \
-    } else if (::testing::internal::AlwaysFalse()) { \
-      ::testing::internal::RE::PartialMatch(".*", (regex)); \
-      GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
-      terminator; \
-    } else \
-      ::testing::Message()
-
-// EXPECT_DEATH_IF_SUPPORTED(statement, regex) and
-// ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if
-// death tests are supported; otherwise they just issue a warning.  This is
-// useful when you are combining death test assertions with normal test
-// assertions in one test.
-#if GTEST_HAS_DEATH_TEST
-# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \
-    EXPECT_DEATH(statement, regex)
-# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \
-    ASSERT_DEATH(statement, regex)
-#else
-# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \
-    GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, )
-# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \
-    GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, return)
-#endif
-
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Macros and functions for implementing parameterized tests
-// in Google C++ Testing and Mocking Framework (Google Test)
-//
-// GOOGLETEST_CM0001 DO NOT DELETE
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
-
-// Value-parameterized tests allow you to test your code with different
-// parameters without writing multiple copies of the same test.
-//
-// Here is how you use value-parameterized tests:
-
-#if 0
-
-// To write value-parameterized tests, first you should define a fixture
-// class. It is usually derived from testing::TestWithParam<T> (see below for
-// another inheritance scheme that's sometimes useful in more complicated
-// class hierarchies), where the type of your parameter values.
-// TestWithParam<T> is itself derived from testing::Test. T can be any
-// copyable type. If it's a raw pointer, you are responsible for managing the
-// lifespan of the pointed values.
-
-class FooTest : public ::testing::TestWithParam<const char*> {
-  // You can implement all the usual class fixture members here.
-};
-
-// Then, use the TEST_P macro to define as many parameterized tests
-// for this fixture as you want. The _P suffix is for "parameterized"
-// or "pattern", whichever you prefer to think.
-
-TEST_P(FooTest, DoesBlah) {
-  // Inside a test, access the test parameter with the GetParam() method
-  // of the TestWithParam<T> class:
-  EXPECT_TRUE(foo.Blah(GetParam()));
-  ...
-}
-
-TEST_P(FooTest, HasBlahBlah) {
-  ...
-}
-
-// Finally, you can use INSTANTIATE_TEST_SUITE_P to instantiate the test
-// case with any set of parameters you want. Google Test defines a number
-// of functions for generating test parameters. They return what we call
-// (surprise!) parameter generators. Here is a summary of them, which
-// are all in the testing namespace:
-//
-//
-//  Range(begin, end [, step]) - Yields values {begin, begin+step,
-//                               begin+step+step, ...}. The values do not
-//                               include end. step defaults to 1.
-//  Values(v1, v2, ..., vN)    - Yields values {v1, v2, ..., vN}.
-//  ValuesIn(container)        - Yields values from a C-style array, an STL
-//  ValuesIn(begin,end)          container, or an iterator range [begin, end).
-//  Bool()                     - Yields sequence {false, true}.
-//  Combine(g1, g2, ..., gN)   - Yields all combinations (the Cartesian product
-//                               for the math savvy) of the values generated
-//                               by the N generators.
-//
-// For more details, see comments at the definitions of these functions below
-// in this file.
-//
-// The following statement will instantiate tests from the FooTest test suite
-// each with parameter values "meeny", "miny", and "moe".
-
-INSTANTIATE_TEST_SUITE_P(InstantiationName,
-                         FooTest,
-                         Values("meeny", "miny", "moe"));
-
-// To distinguish different instances of the pattern, (yes, you
-// can instantiate it more than once) the first argument to the
-// INSTANTIATE_TEST_SUITE_P macro is a prefix that will be added to the
-// actual test suite name. Remember to pick unique prefixes for different
-// instantiations. The tests from the instantiation above will have
-// these names:
-//
-//    * InstantiationName/FooTest.DoesBlah/0 for "meeny"
-//    * InstantiationName/FooTest.DoesBlah/1 for "miny"
-//    * InstantiationName/FooTest.DoesBlah/2 for "moe"
-//    * InstantiationName/FooTest.HasBlahBlah/0 for "meeny"
-//    * InstantiationName/FooTest.HasBlahBlah/1 for "miny"
-//    * InstantiationName/FooTest.HasBlahBlah/2 for "moe"
-//
-// You can use these names in --gtest_filter.
-//
-// This statement will instantiate all tests from FooTest again, each
-// with parameter values "cat" and "dog":
-
-const char* pets[] = {"cat", "dog"};
-INSTANTIATE_TEST_SUITE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
-
-// The tests from the instantiation above will have these names:
-//
-//    * AnotherInstantiationName/FooTest.DoesBlah/0 for "cat"
-//    * AnotherInstantiationName/FooTest.DoesBlah/1 for "dog"
-//    * AnotherInstantiationName/FooTest.HasBlahBlah/0 for "cat"
-//    * AnotherInstantiationName/FooTest.HasBlahBlah/1 for "dog"
-//
-// Please note that INSTANTIATE_TEST_SUITE_P will instantiate all tests
-// in the given test suite, whether their definitions come before or
-// AFTER the INSTANTIATE_TEST_SUITE_P statement.
-//
-// Please also note that generator expressions (including parameters to the
-// generators) are evaluated in InitGoogleTest(), after main() has started.
-// This allows the user on one hand, to adjust generator parameters in order
-// to dynamically determine a set of tests to run and on the other hand,
-// give the user a chance to inspect the generated tests with Google Test
-// reflection API before RUN_ALL_TESTS() is executed.
-//
-// You can see samples/sample7_unittest.cc and samples/sample8_unittest.cc
-// for more examples.
-//
-// In the future, we plan to publish the API for defining new parameter
-// generators. But for now this interface remains part of the internal
-// implementation and is subject to change.
-//
-//
-// A parameterized test fixture must be derived from testing::Test and from
-// testing::WithParamInterface<T>, where T is the type of the parameter
-// values. Inheriting from TestWithParam<T> satisfies that requirement because
-// TestWithParam<T> inherits from both Test and WithParamInterface. In more
-// complicated hierarchies, however, it is occasionally useful to inherit
-// separately from Test and WithParamInterface. For example:
-
-class BaseTest : public ::testing::Test {
-  // You can inherit all the usual members for a non-parameterized test
-  // fixture here.
-};
-
-class DerivedTest : public BaseTest, public ::testing::WithParamInterface<int> {
-  // The usual test fixture members go here too.
-};
-
-TEST_F(BaseTest, HasFoo) {
-  // This is an ordinary non-parameterized test.
-}
-
-TEST_P(DerivedTest, DoesBlah) {
-  // GetParam works just the same here as if you inherit from TestWithParam.
-  EXPECT_TRUE(foo.Blah(GetParam()));
-}
-
-#endif  // 0
-
-#include <iterator>
-#include <utility>
-
-// Copyright 2008 Google Inc.
-// All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// Type and function utilities for implementing parameterized tests.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
-#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
-
-#include <ctype.h>
-
-#include <cassert>
-#include <iterator>
-#include <memory>
-#include <set>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
-
-#include <iosfwd>
-#include <vector>
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// A copyable object representing the result of a test part (i.e. an
-// assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
-//
-// Don't inherit from TestPartResult as its destructor is not virtual.
-class GTEST_API_ TestPartResult {
- public:
-  // The possible outcomes of a test part (i.e. an assertion or an
-  // explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
-  enum Type {
-    kSuccess,          // Succeeded.
-    kNonFatalFailure,  // Failed but the test can continue.
-    kFatalFailure,     // Failed and the test should be terminated.
-    kSkip              // Skipped.
-  };
-
-  // C'tor.  TestPartResult does NOT have a default constructor.
-  // Always use this constructor (with parameters) to create a
-  // TestPartResult object.
-  TestPartResult(Type a_type, const char* a_file_name, int a_line_number,
-                 const char* a_message)
-      : type_(a_type),
-        file_name_(a_file_name == nullptr ? "" : a_file_name),
-        line_number_(a_line_number),
-        summary_(ExtractSummary(a_message)),
-        message_(a_message) {}
-
-  // Gets the outcome of the test part.
-  Type type() const { return type_; }
-
-  // Gets the name of the source file where the test part took place, or
-  // NULL if it's unknown.
-  const char* file_name() const {
-    return file_name_.empty() ? nullptr : file_name_.c_str();
-  }
-
-  // Gets the line in the source file where the test part took place,
-  // or -1 if it's unknown.
-  int line_number() const { return line_number_; }
-
-  // Gets the summary of the failure message.
-  const char* summary() const { return summary_.c_str(); }
-
-  // Gets the message associated with the test part.
-  const char* message() const { return message_.c_str(); }
-
-  // Returns true if and only if the test part was skipped.
-  bool skipped() const { return type_ == kSkip; }
-
-  // Returns true if and only if the test part passed.
-  bool passed() const { return type_ == kSuccess; }
-
-  // Returns true if and only if the test part non-fatally failed.
-  bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
-
-  // Returns true if and only if the test part fatally failed.
-  bool fatally_failed() const { return type_ == kFatalFailure; }
-
-  // Returns true if and only if the test part failed.
-  bool failed() const { return fatally_failed() || nonfatally_failed(); }
-
- private:
-  Type type_;
-
-  // Gets the summary of the failure message by omitting the stack
-  // trace in it.
-  static std::string ExtractSummary(const char* message);
-
-  // The name of the source file where the test part took place, or
-  // "" if the source file is unknown.
-  std::string file_name_;
-  // The line in the source file where the test part took place, or -1
-  // if the line number is unknown.
-  int line_number_;
-  std::string summary_;  // The test failure summary.
-  std::string message_;  // The test failure message.
-};
-
-// Prints a TestPartResult object.
-std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
-
-// An array of TestPartResult objects.
-//
-// Don't inherit from TestPartResultArray as its destructor is not
-// virtual.
-class GTEST_API_ TestPartResultArray {
- public:
-  TestPartResultArray() {}
-
-  // Appends the given TestPartResult to the array.
-  void Append(const TestPartResult& result);
-
-  // Returns the TestPartResult at the given index (0-based).
-  const TestPartResult& GetTestPartResult(int index) const;
-
-  // Returns the number of TestPartResult objects in the array.
-  int size() const;
-
- private:
-  std::vector<TestPartResult> array_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestPartResultArray);
-};
-
-// This interface knows how to report a test part result.
-class GTEST_API_ TestPartResultReporterInterface {
- public:
-  virtual ~TestPartResultReporterInterface() {}
-
-  virtual void ReportTestPartResult(const TestPartResult& result) = 0;
-};
-
-namespace internal {
-
-// This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
-// statement generates new fatal failures. To do so it registers itself as the
-// current test part result reporter. Besides checking if fatal failures were
-// reported, it only delegates the reporting to the former result reporter.
-// The original result reporter is restored in the destructor.
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-class GTEST_API_ HasNewFatalFailureHelper
-    : public TestPartResultReporterInterface {
- public:
-  HasNewFatalFailureHelper();
-  ~HasNewFatalFailureHelper() override;
-  void ReportTestPartResult(const TestPartResult& result) override;
-  bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
- private:
-  bool has_new_fatal_failure_;
-  TestPartResultReporterInterface* original_reporter_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(HasNewFatalFailureHelper);
-};
-
-}  // namespace internal
-
-}  // namespace testing
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
-
-namespace testing {
-// Input to a parameterized test name generator, describing a test parameter.
-// Consists of the parameter value and the integer parameter index.
-template <class ParamType>
-struct TestParamInfo {
-  TestParamInfo(const ParamType& a_param, size_t an_index) :
-    param(a_param),
-    index(an_index) {}
-  ParamType param;
-  size_t index;
-};
-
-// A builtin parameterized test name generator which returns the result of
-// testing::PrintToString.
-struct PrintToStringParamName {
-  template <class ParamType>
-  std::string operator()(const TestParamInfo<ParamType>& info) const {
-    return PrintToString(info.param);
-  }
-};
-
-namespace internal {
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-// Utility Functions
-
-// Outputs a message explaining invalid registration of different
-// fixture class for the same test suite. This may happen when
-// TEST_P macro is used to define two tests with the same name
-// but in different namespaces.
-GTEST_API_ void ReportInvalidTestSuiteType(const char* test_suite_name,
-                                           CodeLocation code_location);
-
-template <typename> class ParamGeneratorInterface;
-template <typename> class ParamGenerator;
-
-// Interface for iterating over elements provided by an implementation
-// of ParamGeneratorInterface<T>.
-template <typename T>
-class ParamIteratorInterface {
- public:
-  virtual ~ParamIteratorInterface() {}
-  // A pointer to the base generator instance.
-  // Used only for the purposes of iterator comparison
-  // to make sure that two iterators belong to the same generator.
-  virtual const ParamGeneratorInterface<T>* BaseGenerator() const = 0;
-  // Advances iterator to point to the next element
-  // provided by the generator. The caller is responsible
-  // for not calling Advance() on an iterator equal to
-  // BaseGenerator()->End().
-  virtual void Advance() = 0;
-  // Clones the iterator object. Used for implementing copy semantics
-  // of ParamIterator<T>.
-  virtual ParamIteratorInterface* Clone() const = 0;
-  // Dereferences the current iterator and provides (read-only) access
-  // to the pointed value. It is the caller's responsibility not to call
-  // Current() on an iterator equal to BaseGenerator()->End().
-  // Used for implementing ParamGenerator<T>::operator*().
-  virtual const T* Current() const = 0;
-  // Determines whether the given iterator and other point to the same
-  // element in the sequence generated by the generator.
-  // Used for implementing ParamGenerator<T>::operator==().
-  virtual bool Equals(const ParamIteratorInterface& other) const = 0;
-};
-
-// Class iterating over elements provided by an implementation of
-// ParamGeneratorInterface<T>. It wraps ParamIteratorInterface<T>
-// and implements the const forward iterator concept.
-template <typename T>
-class ParamIterator {
- public:
-  typedef T value_type;
-  typedef const T& reference;
-  typedef ptrdiff_t difference_type;
-
-  // ParamIterator assumes ownership of the impl_ pointer.
-  ParamIterator(const ParamIterator& other) : impl_(other.impl_->Clone()) {}
-  ParamIterator& operator=(const ParamIterator& other) {
-    if (this != &other)
-      impl_.reset(other.impl_->Clone());
-    return *this;
-  }
-
-  const T& operator*() const { return *impl_->Current(); }
-  const T* operator->() const { return impl_->Current(); }
-  // Prefix version of operator++.
-  ParamIterator& operator++() {
-    impl_->Advance();
-    return *this;
-  }
-  // Postfix version of operator++.
-  ParamIterator operator++(int /*unused*/) {
-    ParamIteratorInterface<T>* clone = impl_->Clone();
-    impl_->Advance();
-    return ParamIterator(clone);
-  }
-  bool operator==(const ParamIterator& other) const {
-    return impl_.get() == other.impl_.get() || impl_->Equals(*other.impl_);
-  }
-  bool operator!=(const ParamIterator& other) const {
-    return !(*this == other);
-  }
-
- private:
-  friend class ParamGenerator<T>;
-  explicit ParamIterator(ParamIteratorInterface<T>* impl) : impl_(impl) {}
-  std::unique_ptr<ParamIteratorInterface<T> > impl_;
-};
-
-// ParamGeneratorInterface<T> is the binary interface to access generators
-// defined in other translation units.
-template <typename T>
-class ParamGeneratorInterface {
- public:
-  typedef T ParamType;
-
-  virtual ~ParamGeneratorInterface() {}
-
-  // Generator interface definition
-  virtual ParamIteratorInterface<T>* Begin() const = 0;
-  virtual ParamIteratorInterface<T>* End() const = 0;
-};
-
-// Wraps ParamGeneratorInterface<T> and provides general generator syntax
-// compatible with the STL Container concept.
-// This class implements copy initialization semantics and the contained
-// ParamGeneratorInterface<T> instance is shared among all copies
-// of the original object. This is possible because that instance is immutable.
-template<typename T>
-class ParamGenerator {
- public:
-  typedef ParamIterator<T> iterator;
-
-  explicit ParamGenerator(ParamGeneratorInterface<T>* impl) : impl_(impl) {}
-  ParamGenerator(const ParamGenerator& other) : impl_(other.impl_) {}
-
-  ParamGenerator& operator=(const ParamGenerator& other) {
-    impl_ = other.impl_;
-    return *this;
-  }
-
-  iterator begin() const { return iterator(impl_->Begin()); }
-  iterator end() const { return iterator(impl_->End()); }
-
- private:
-  std::shared_ptr<const ParamGeneratorInterface<T> > impl_;
-};
-
-// Generates values from a range of two comparable values. Can be used to
-// generate sequences of user-defined types that implement operator+() and
-// operator<().
-// This class is used in the Range() function.
-template <typename T, typename IncrementT>
-class RangeGenerator : public ParamGeneratorInterface<T> {
- public:
-  RangeGenerator(T begin, T end, IncrementT step)
-      : begin_(begin), end_(end),
-        step_(step), end_index_(CalculateEndIndex(begin, end, step)) {}
-  ~RangeGenerator() override {}
-
-  ParamIteratorInterface<T>* Begin() const override {
-    return new Iterator(this, begin_, 0, step_);
-  }
-  ParamIteratorInterface<T>* End() const override {
-    return new Iterator(this, end_, end_index_, step_);
-  }
-
- private:
-  class Iterator : public ParamIteratorInterface<T> {
-   public:
-    Iterator(const ParamGeneratorInterface<T>* base, T value, int index,
-             IncrementT step)
-        : base_(base), value_(value), index_(index), step_(step) {}
-    ~Iterator() override {}
-
-    const ParamGeneratorInterface<T>* BaseGenerator() const override {
-      return base_;
-    }
-    void Advance() override {
-      value_ = static_cast<T>(value_ + step_);
-      index_++;
-    }
-    ParamIteratorInterface<T>* Clone() const override {
-      return new Iterator(*this);
-    }
-    const T* Current() const override { return &value_; }
-    bool Equals(const ParamIteratorInterface<T>& other) const override {
-      // Having the same base generator guarantees that the other
-      // iterator is of the same type and we can downcast.
-      GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
-          << "The program attempted to compare iterators "
-          << "from different generators." << std::endl;
-      const int other_index =
-          CheckedDowncastToActualType<const Iterator>(&other)->index_;
-      return index_ == other_index;
-    }
-
-   private:
-    Iterator(const Iterator& other)
-        : ParamIteratorInterface<T>(),
-          base_(other.base_), value_(other.value_), index_(other.index_),
-          step_(other.step_) {}
-
-    // No implementation - assignment is unsupported.
-    void operator=(const Iterator& other);
-
-    const ParamGeneratorInterface<T>* const base_;
-    T value_;
-    int index_;
-    const IncrementT step_;
-  };  // class RangeGenerator::Iterator
-
-  static int CalculateEndIndex(const T& begin,
-                               const T& end,
-                               const IncrementT& step) {
-    int end_index = 0;
-    for (T i = begin; i < end; i = static_cast<T>(i + step))
-      end_index++;
-    return end_index;
-  }
-
-  // No implementation - assignment is unsupported.
-  void operator=(const RangeGenerator& other);
-
-  const T begin_;
-  const T end_;
-  const IncrementT step_;
-  // The index for the end() iterator. All the elements in the generated
-  // sequence are indexed (0-based) to aid iterator comparison.
-  const int end_index_;
-};  // class RangeGenerator
-
-
-// Generates values from a pair of STL-style iterators. Used in the
-// ValuesIn() function. The elements are copied from the source range
-// since the source can be located on the stack, and the generator
-// is likely to persist beyond that stack frame.
-template <typename T>
-class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
- public:
-  template <typename ForwardIterator>
-  ValuesInIteratorRangeGenerator(ForwardIterator begin, ForwardIterator end)
-      : container_(begin, end) {}
-  ~ValuesInIteratorRangeGenerator() override {}
-
-  ParamIteratorInterface<T>* Begin() const override {
-    return new Iterator(this, container_.begin());
-  }
-  ParamIteratorInterface<T>* End() const override {
-    return new Iterator(this, container_.end());
-  }
-
- private:
-  typedef typename ::std::vector<T> ContainerType;
-
-  class Iterator : public ParamIteratorInterface<T> {
-   public:
-    Iterator(const ParamGeneratorInterface<T>* base,
-             typename ContainerType::const_iterator iterator)
-        : base_(base), iterator_(iterator) {}
-    ~Iterator() override {}
-
-    const ParamGeneratorInterface<T>* BaseGenerator() const override {
-      return base_;
-    }
-    void Advance() override {
-      ++iterator_;
-      value_.reset();
-    }
-    ParamIteratorInterface<T>* Clone() const override {
-      return new Iterator(*this);
-    }
-    // We need to use cached value referenced by iterator_ because *iterator_
-    // can return a temporary object (and of type other then T), so just
-    // having "return &*iterator_;" doesn't work.
-    // value_ is updated here and not in Advance() because Advance()
-    // can advance iterator_ beyond the end of the range, and we cannot
-    // detect that fact. The client code, on the other hand, is
-    // responsible for not calling Current() on an out-of-range iterator.
-    const T* Current() const override {
-      if (value_.get() == nullptr) value_.reset(new T(*iterator_));
-      return value_.get();
-    }
-    bool Equals(const ParamIteratorInterface<T>& other) const override {
-      // Having the same base generator guarantees that the other
-      // iterator is of the same type and we can downcast.
-      GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
-          << "The program attempted to compare iterators "
-          << "from different generators." << std::endl;
-      return iterator_ ==
-          CheckedDowncastToActualType<const Iterator>(&other)->iterator_;
-    }
-
-   private:
-    Iterator(const Iterator& other)
-          // The explicit constructor call suppresses a false warning
-          // emitted by gcc when supplied with the -Wextra option.
-        : ParamIteratorInterface<T>(),
-          base_(other.base_),
-          iterator_(other.iterator_) {}
-
-    const ParamGeneratorInterface<T>* const base_;
-    typename ContainerType::const_iterator iterator_;
-    // A cached value of *iterator_. We keep it here to allow access by
-    // pointer in the wrapping iterator's operator->().
-    // value_ needs to be mutable to be accessed in Current().
-    // Use of std::unique_ptr helps manage cached value's lifetime,
-    // which is bound by the lifespan of the iterator itself.
-    mutable std::unique_ptr<const T> value_;
-  };  // class ValuesInIteratorRangeGenerator::Iterator
-
-  // No implementation - assignment is unsupported.
-  void operator=(const ValuesInIteratorRangeGenerator& other);
-
-  const ContainerType container_;
-};  // class ValuesInIteratorRangeGenerator
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Default parameterized test name generator, returns a string containing the
-// integer test parameter index.
-template <class ParamType>
-std::string DefaultParamName(const TestParamInfo<ParamType>& info) {
-  Message name_stream;
-  name_stream << info.index;
-  return name_stream.GetString();
-}
-
-template <typename T = int>
-void TestNotEmpty() {
-  static_assert(sizeof(T) == 0, "Empty arguments are not allowed.");
-}
-template <typename T = int>
-void TestNotEmpty(const T&) {}
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Stores a parameter value and later creates tests parameterized with that
-// value.
-template <class TestClass>
-class ParameterizedTestFactory : public TestFactoryBase {
- public:
-  typedef typename TestClass::ParamType ParamType;
-  explicit ParameterizedTestFactory(ParamType parameter) :
-      parameter_(parameter) {}
-  Test* CreateTest() override {
-    TestClass::SetParam(&parameter_);
-    return new TestClass();
-  }
-
- private:
-  const ParamType parameter_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestFactory);
-};
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// TestMetaFactoryBase is a base class for meta-factories that create
-// test factories for passing into MakeAndRegisterTestInfo function.
-template <class ParamType>
-class TestMetaFactoryBase {
- public:
-  virtual ~TestMetaFactoryBase() {}
-
-  virtual TestFactoryBase* CreateTestFactory(ParamType parameter) = 0;
-};
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// TestMetaFactory creates test factories for passing into
-// MakeAndRegisterTestInfo function. Since MakeAndRegisterTestInfo receives
-// ownership of test factory pointer, same factory object cannot be passed
-// into that method twice. But ParameterizedTestSuiteInfo is going to call
-// it for each Test/Parameter value combination. Thus it needs meta factory
-// creator class.
-template <class TestSuite>
-class TestMetaFactory
-    : public TestMetaFactoryBase<typename TestSuite::ParamType> {
- public:
-  using ParamType = typename TestSuite::ParamType;
-
-  TestMetaFactory() {}
-
-  TestFactoryBase* CreateTestFactory(ParamType parameter) override {
-    return new ParameterizedTestFactory<TestSuite>(parameter);
-  }
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestMetaFactory);
-};
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// ParameterizedTestSuiteInfoBase is a generic interface
-// to ParameterizedTestSuiteInfo classes. ParameterizedTestSuiteInfoBase
-// accumulates test information provided by TEST_P macro invocations
-// and generators provided by INSTANTIATE_TEST_SUITE_P macro invocations
-// and uses that information to register all resulting test instances
-// in RegisterTests method. The ParameterizeTestSuiteRegistry class holds
-// a collection of pointers to the ParameterizedTestSuiteInfo objects
-// and calls RegisterTests() on each of them when asked.
-class ParameterizedTestSuiteInfoBase {
- public:
-  virtual ~ParameterizedTestSuiteInfoBase() {}
-
-  // Base part of test suite name for display purposes.
-  virtual const std::string& GetTestSuiteName() const = 0;
-  // Test suite id to verify identity.
-  virtual TypeId GetTestSuiteTypeId() const = 0;
-  // UnitTest class invokes this method to register tests in this
-  // test suite right before running them in RUN_ALL_TESTS macro.
-  // This method should not be called more than once on any single
-  // instance of a ParameterizedTestSuiteInfoBase derived class.
-  virtual void RegisterTests() = 0;
-
- protected:
-  ParameterizedTestSuiteInfoBase() {}
-
- private:
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteInfoBase);
-};
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Report a the name of a test_suit as safe to ignore
-// as the side effect of construction of this type.
-struct MarkAsIgnored {
-  explicit MarkAsIgnored(const char* test_suite);
-};
-
-GTEST_API_ void InsertSyntheticTestCase(const std::string& name,
-                                        CodeLocation location, bool has_test_p);
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// ParameterizedTestSuiteInfo accumulates tests obtained from TEST_P
-// macro invocations for a particular test suite and generators
-// obtained from INSTANTIATE_TEST_SUITE_P macro invocations for that
-// test suite. It registers tests with all values generated by all
-// generators when asked.
-template <class TestSuite>
-class ParameterizedTestSuiteInfo : public ParameterizedTestSuiteInfoBase {
- public:
-  // ParamType and GeneratorCreationFunc are private types but are required
-  // for declarations of public methods AddTestPattern() and
-  // AddTestSuiteInstantiation().
-  using ParamType = typename TestSuite::ParamType;
-  // A function that returns an instance of appropriate generator type.
-  typedef ParamGenerator<ParamType>(GeneratorCreationFunc)();
-  using ParamNameGeneratorFunc = std::string(const TestParamInfo<ParamType>&);
-
-  explicit ParameterizedTestSuiteInfo(const char* name,
-                                      CodeLocation code_location)
-      : test_suite_name_(name), code_location_(code_location) {}
-
-  // Test suite base name for display purposes.
-  const std::string& GetTestSuiteName() const override {
-    return test_suite_name_;
-  }
-  // Test suite id to verify identity.
-  TypeId GetTestSuiteTypeId() const override { return GetTypeId<TestSuite>(); }
-  // TEST_P macro uses AddTestPattern() to record information
-  // about a single test in a LocalTestInfo structure.
-  // test_suite_name is the base name of the test suite (without invocation
-  // prefix). test_base_name is the name of an individual test without
-  // parameter index. For the test SequenceA/FooTest.DoBar/1 FooTest is
-  // test suite base name and DoBar is test base name.
-  void AddTestPattern(const char* test_suite_name, const char* test_base_name,
-                      TestMetaFactoryBase<ParamType>* meta_factory,
-                      CodeLocation code_location) {
-    tests_.push_back(std::shared_ptr<TestInfo>(new TestInfo(
-        test_suite_name, test_base_name, meta_factory, code_location)));
-  }
-  // INSTANTIATE_TEST_SUITE_P macro uses AddGenerator() to record information
-  // about a generator.
-  int AddTestSuiteInstantiation(const std::string& instantiation_name,
-                                GeneratorCreationFunc* func,
-                                ParamNameGeneratorFunc* name_func,
-                                const char* file, int line) {
-    instantiations_.push_back(
-        InstantiationInfo(instantiation_name, func, name_func, file, line));
-    return 0;  // Return value used only to run this method in namespace scope.
-  }
-  // UnitTest class invokes this method to register tests in this test suite
-  // right before running tests in RUN_ALL_TESTS macro.
-  // This method should not be called more than once on any single
-  // instance of a ParameterizedTestSuiteInfoBase derived class.
-  // UnitTest has a guard to prevent from calling this method more than once.
-  void RegisterTests() override {
-    bool generated_instantiations = false;
-
-    for (typename TestInfoContainer::iterator test_it = tests_.begin();
-         test_it != tests_.end(); ++test_it) {
-      std::shared_ptr<TestInfo> test_info = *test_it;
-      for (typename InstantiationContainer::iterator gen_it =
-               instantiations_.begin(); gen_it != instantiations_.end();
-               ++gen_it) {
-        const std::string& instantiation_name = gen_it->name;
-        ParamGenerator<ParamType> generator((*gen_it->generator)());
-        ParamNameGeneratorFunc* name_func = gen_it->name_func;
-        const char* file = gen_it->file;
-        int line = gen_it->line;
-
-        std::string test_suite_name;
-        if ( !instantiation_name.empty() )
-          test_suite_name = instantiation_name + "/";
-        test_suite_name += test_info->test_suite_base_name;
-
-        size_t i = 0;
-        std::set<std::string> test_param_names;
-        for (typename ParamGenerator<ParamType>::iterator param_it =
-                 generator.begin();
-             param_it != generator.end(); ++param_it, ++i) {
-          generated_instantiations = true;
-
-          Message test_name_stream;
-
-          std::string param_name = name_func(
-              TestParamInfo<ParamType>(*param_it, i));
-
-          GTEST_CHECK_(IsValidParamName(param_name))
-              << "Parameterized test name '" << param_name
-              << "' is invalid, in " << file
-              << " line " << line << std::endl;
-
-          GTEST_CHECK_(test_param_names.count(param_name) == 0)
-              << "Duplicate parameterized test name '" << param_name
-              << "', in " << file << " line " << line << std::endl;
-
-          test_param_names.insert(param_name);
-
-          if (!test_info->test_base_name.empty()) {
-            test_name_stream << test_info->test_base_name << "/";
-          }
-          test_name_stream << param_name;
-          MakeAndRegisterTestInfo(
-              test_suite_name.c_str(), test_name_stream.GetString().c_str(),
-              nullptr,  // No type parameter.
-              PrintToString(*param_it).c_str(), test_info->code_location,
-              GetTestSuiteTypeId(),
-              SuiteApiResolver<TestSuite>::GetSetUpCaseOrSuite(file, line),
-              SuiteApiResolver<TestSuite>::GetTearDownCaseOrSuite(file, line),
-              test_info->test_meta_factory->CreateTestFactory(*param_it));
-        }  // for param_it
-      }  // for gen_it
-    }  // for test_it
-
-    if (!generated_instantiations) {
-      // There are no generaotrs, or they all generate nothing ...
-      InsertSyntheticTestCase(GetTestSuiteName(), code_location_,
-                              !tests_.empty());
-    }
-  }    // RegisterTests
-
- private:
-  // LocalTestInfo structure keeps information about a single test registered
-  // with TEST_P macro.
-  struct TestInfo {
-    TestInfo(const char* a_test_suite_base_name, const char* a_test_base_name,
-             TestMetaFactoryBase<ParamType>* a_test_meta_factory,
-             CodeLocation a_code_location)
-        : test_suite_base_name(a_test_suite_base_name),
-          test_base_name(a_test_base_name),
-          test_meta_factory(a_test_meta_factory),
-          code_location(a_code_location) {}
-
-    const std::string test_suite_base_name;
-    const std::string test_base_name;
-    const std::unique_ptr<TestMetaFactoryBase<ParamType> > test_meta_factory;
-    const CodeLocation code_location;
-  };
-  using TestInfoContainer = ::std::vector<std::shared_ptr<TestInfo> >;
-  // Records data received from INSTANTIATE_TEST_SUITE_P macros:
-  //  <Instantiation name, Sequence generator creation function,
-  //     Name generator function, Source file, Source line>
-  struct InstantiationInfo {
-      InstantiationInfo(const std::string &name_in,
-                        GeneratorCreationFunc* generator_in,
-                        ParamNameGeneratorFunc* name_func_in,
-                        const char* file_in,
-                        int line_in)
-          : name(name_in),
-            generator(generator_in),
-            name_func(name_func_in),
-            file(file_in),
-            line(line_in) {}
-
-      std::string name;
-      GeneratorCreationFunc* generator;
-      ParamNameGeneratorFunc* name_func;
-      const char* file;
-      int line;
-  };
-  typedef ::std::vector<InstantiationInfo> InstantiationContainer;
-
-  static bool IsValidParamName(const std::string& name) {
-    // Check for empty string
-    if (name.empty())
-      return false;
-
-    // Check for invalid characters
-    for (std::string::size_type index = 0; index < name.size(); ++index) {
-      if (!isalnum(name[index]) && name[index] != '_')
-        return false;
-    }
-
-    return true;
-  }
-
-  const std::string test_suite_name_;
-  CodeLocation code_location_;
-  TestInfoContainer tests_;
-  InstantiationContainer instantiations_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteInfo);
-};  // class ParameterizedTestSuiteInfo
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-template <class TestCase>
-using ParameterizedTestCaseInfo = ParameterizedTestSuiteInfo<TestCase>;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// ParameterizedTestSuiteRegistry contains a map of
-// ParameterizedTestSuiteInfoBase classes accessed by test suite names. TEST_P
-// and INSTANTIATE_TEST_SUITE_P macros use it to locate their corresponding
-// ParameterizedTestSuiteInfo descriptors.
-class ParameterizedTestSuiteRegistry {
- public:
-  ParameterizedTestSuiteRegistry() {}
-  ~ParameterizedTestSuiteRegistry() {
-    for (auto& test_suite_info : test_suite_infos_) {
-      delete test_suite_info;
-    }
-  }
-
-  // Looks up or creates and returns a structure containing information about
-  // tests and instantiations of a particular test suite.
-  template <class TestSuite>
-  ParameterizedTestSuiteInfo<TestSuite>* GetTestSuitePatternHolder(
-      const char* test_suite_name, CodeLocation code_location) {
-    ParameterizedTestSuiteInfo<TestSuite>* typed_test_info = nullptr;
-    for (auto& test_suite_info : test_suite_infos_) {
-      if (test_suite_info->GetTestSuiteName() == test_suite_name) {
-        if (test_suite_info->GetTestSuiteTypeId() != GetTypeId<TestSuite>()) {
-          // Complain about incorrect usage of Google Test facilities
-          // and terminate the program since we cannot guaranty correct
-          // test suite setup and tear-down in this case.
-          ReportInvalidTestSuiteType(test_suite_name, code_location);
-          posix::Abort();
-        } else {
-          // At this point we are sure that the object we found is of the same
-          // type we are looking for, so we downcast it to that type
-          // without further checks.
-          typed_test_info = CheckedDowncastToActualType<
-              ParameterizedTestSuiteInfo<TestSuite> >(test_suite_info);
-        }
-        break;
-      }
-    }
-    if (typed_test_info == nullptr) {
-      typed_test_info = new ParameterizedTestSuiteInfo<TestSuite>(
-          test_suite_name, code_location);
-      test_suite_infos_.push_back(typed_test_info);
-    }
-    return typed_test_info;
-  }
-  void RegisterTests() {
-    for (auto& test_suite_info : test_suite_infos_) {
-      test_suite_info->RegisterTests();
-    }
-  }
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  template <class TestCase>
-  ParameterizedTestCaseInfo<TestCase>* GetTestCasePatternHolder(
-      const char* test_case_name, CodeLocation code_location) {
-    return GetTestSuitePatternHolder<TestCase>(test_case_name, code_location);
-  }
-
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
- private:
-  using TestSuiteInfoContainer = ::std::vector<ParameterizedTestSuiteInfoBase*>;
-
-  TestSuiteInfoContainer test_suite_infos_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteRegistry);
-};
-
-// Keep track of what type-parameterized test suite are defined and
-// where as well as which are intatiated. This allows susequently
-// identifying suits that are defined but never used.
-class TypeParameterizedTestSuiteRegistry {
- public:
-  // Add a suite definition
-  void RegisterTestSuite(const char* test_suite_name,
-                         CodeLocation code_location);
-
-  // Add an instantiation of a suit.
-  void RegisterInstantiation(const char* test_suite_name);
-
-  // For each suit repored as defined but not reported as instantiation,
-  // emit a test that reports that fact (configurably, as an error).
-  void CheckForInstantiations();
-
- private:
-  struct TypeParameterizedTestSuiteInfo {
-    explicit TypeParameterizedTestSuiteInfo(CodeLocation c)
-        : code_location(c), instantiated(false) {}
-
-    CodeLocation code_location;
-    bool instantiated;
-  };
-
-  std::map<std::string, TypeParameterizedTestSuiteInfo> suites_;
-};
-
-}  // namespace internal
-
-// Forward declarations of ValuesIn(), which is implemented in
-// include/gtest/gtest-param-test.h.
-template <class Container>
-internal::ParamGenerator<typename Container::value_type> ValuesIn(
-    const Container& container);
-
-namespace internal {
-// Used in the Values() function to provide polymorphic capabilities.
-
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4100)
-#endif
-
-template <typename... Ts>
-class ValueArray {
- public:
-  explicit ValueArray(Ts... v) : v_(FlatTupleConstructTag{}, std::move(v)...) {}
-
-  template <typename T>
-  operator ParamGenerator<T>() const {  // NOLINT
-    return ValuesIn(MakeVector<T>(MakeIndexSequence<sizeof...(Ts)>()));
-  }
-
- private:
-  template <typename T, size_t... I>
-  std::vector<T> MakeVector(IndexSequence<I...>) const {
-    return std::vector<T>{static_cast<T>(v_.template Get<I>())...};
-  }
-
-  FlatTuple<Ts...> v_;
-};
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-template <typename... T>
-class CartesianProductGenerator
-    : public ParamGeneratorInterface<::std::tuple<T...>> {
- public:
-  typedef ::std::tuple<T...> ParamType;
-
-  CartesianProductGenerator(const std::tuple<ParamGenerator<T>...>& g)
-      : generators_(g) {}
-  ~CartesianProductGenerator() override {}
-
-  ParamIteratorInterface<ParamType>* Begin() const override {
-    return new Iterator(this, generators_, false);
-  }
-  ParamIteratorInterface<ParamType>* End() const override {
-    return new Iterator(this, generators_, true);
-  }
-
- private:
-  template <class I>
-  class IteratorImpl;
-  template <size_t... I>
-  class IteratorImpl<IndexSequence<I...>>
-      : public ParamIteratorInterface<ParamType> {
-   public:
-    IteratorImpl(const ParamGeneratorInterface<ParamType>* base,
-             const std::tuple<ParamGenerator<T>...>& generators, bool is_end)
-        : base_(base),
-          begin_(std::get<I>(generators).begin()...),
-          end_(std::get<I>(generators).end()...),
-          current_(is_end ? end_ : begin_) {
-      ComputeCurrentValue();
-    }
-    ~IteratorImpl() override {}
-
-    const ParamGeneratorInterface<ParamType>* BaseGenerator() const override {
-      return base_;
-    }
-    // Advance should not be called on beyond-of-range iterators
-    // so no component iterators must be beyond end of range, either.
-    void Advance() override {
-      assert(!AtEnd());
-      // Advance the last iterator.
-      ++std::get<sizeof...(T) - 1>(current_);
-      // if that reaches end, propagate that up.
-      AdvanceIfEnd<sizeof...(T) - 1>();
-      ComputeCurrentValue();
-    }
-    ParamIteratorInterface<ParamType>* Clone() const override {
-      return new IteratorImpl(*this);
-    }
-
-    const ParamType* Current() const override { return current_value_.get(); }
-
-    bool Equals(const ParamIteratorInterface<ParamType>& other) const override {
-      // Having the same base generator guarantees that the other
-      // iterator is of the same type and we can downcast.
-      GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
-          << "The program attempted to compare iterators "
-          << "from different generators." << std::endl;
-      const IteratorImpl* typed_other =
-          CheckedDowncastToActualType<const IteratorImpl>(&other);
-
-      // We must report iterators equal if they both point beyond their
-      // respective ranges. That can happen in a variety of fashions,
-      // so we have to consult AtEnd().
-      if (AtEnd() && typed_other->AtEnd()) return true;
-
-      bool same = true;
-      bool dummy[] = {
-          (same = same && std::get<I>(current_) ==
-                              std::get<I>(typed_other->current_))...};
-      (void)dummy;
-      return same;
-    }
-
-   private:
-    template <size_t ThisI>
-    void AdvanceIfEnd() {
-      if (std::get<ThisI>(current_) != std::get<ThisI>(end_)) return;
-
-      bool last = ThisI == 0;
-      if (last) {
-        // We are done. Nothing else to propagate.
-        return;
-      }
-
-      constexpr size_t NextI = ThisI - (ThisI != 0);
-      std::get<ThisI>(current_) = std::get<ThisI>(begin_);
-      ++std::get<NextI>(current_);
-      AdvanceIfEnd<NextI>();
-    }
-
-    void ComputeCurrentValue() {
-      if (!AtEnd())
-        current_value_ = std::make_shared<ParamType>(*std::get<I>(current_)...);
-    }
-    bool AtEnd() const {
-      bool at_end = false;
-      bool dummy[] = {
-          (at_end = at_end || std::get<I>(current_) == std::get<I>(end_))...};
-      (void)dummy;
-      return at_end;
-    }
-
-    const ParamGeneratorInterface<ParamType>* const base_;
-    std::tuple<typename ParamGenerator<T>::iterator...> begin_;
-    std::tuple<typename ParamGenerator<T>::iterator...> end_;
-    std::tuple<typename ParamGenerator<T>::iterator...> current_;
-    std::shared_ptr<ParamType> current_value_;
-  };
-
-  using Iterator = IteratorImpl<typename MakeIndexSequence<sizeof...(T)>::type>;
-
-  std::tuple<ParamGenerator<T>...> generators_;
-};
-
-template <class... Gen>
-class CartesianProductHolder {
- public:
-  CartesianProductHolder(const Gen&... g) : generators_(g...) {}
-  template <typename... T>
-  operator ParamGenerator<::std::tuple<T...>>() const {
-    return ParamGenerator<::std::tuple<T...>>(
-        new CartesianProductGenerator<T...>(generators_));
-  }
-
- private:
-  std::tuple<Gen...> generators_;
-};
-
-}  // namespace internal
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
-
-namespace testing {
-
-// Functions producing parameter generators.
-//
-// Google Test uses these generators to produce parameters for value-
-// parameterized tests. When a parameterized test suite is instantiated
-// with a particular generator, Google Test creates and runs tests
-// for each element in the sequence produced by the generator.
-//
-// In the following sample, tests from test suite FooTest are instantiated
-// each three times with parameter values 3, 5, and 8:
-//
-// class FooTest : public TestWithParam<int> { ... };
-//
-// TEST_P(FooTest, TestThis) {
-// }
-// TEST_P(FooTest, TestThat) {
-// }
-// INSTANTIATE_TEST_SUITE_P(TestSequence, FooTest, Values(3, 5, 8));
-//
-
-// Range() returns generators providing sequences of values in a range.
-//
-// Synopsis:
-// Range(start, end)
-//   - returns a generator producing a sequence of values {start, start+1,
-//     start+2, ..., }.
-// Range(start, end, step)
-//   - returns a generator producing a sequence of values {start, start+step,
-//     start+step+step, ..., }.
-// Notes:
-//   * The generated sequences never include end. For example, Range(1, 5)
-//     returns a generator producing a sequence {1, 2, 3, 4}. Range(1, 9, 2)
-//     returns a generator producing {1, 3, 5, 7}.
-//   * start and end must have the same type. That type may be any integral or
-//     floating-point type or a user defined type satisfying these conditions:
-//     * It must be assignable (have operator=() defined).
-//     * It must have operator+() (operator+(int-compatible type) for
-//       two-operand version).
-//     * It must have operator<() defined.
-//     Elements in the resulting sequences will also have that type.
-//   * Condition start < end must be satisfied in order for resulting sequences
-//     to contain any elements.
-//
-template <typename T, typename IncrementT>
-internal::ParamGenerator<T> Range(T start, T end, IncrementT step) {
-  return internal::ParamGenerator<T>(
-      new internal::RangeGenerator<T, IncrementT>(start, end, step));
-}
-
-template <typename T>
-internal::ParamGenerator<T> Range(T start, T end) {
-  return Range(start, end, 1);
-}
-
-// ValuesIn() function allows generation of tests with parameters coming from
-// a container.
-//
-// Synopsis:
-// ValuesIn(const T (&array)[N])
-//   - returns a generator producing sequences with elements from
-//     a C-style array.
-// ValuesIn(const Container& container)
-//   - returns a generator producing sequences with elements from
-//     an STL-style container.
-// ValuesIn(Iterator begin, Iterator end)
-//   - returns a generator producing sequences with elements from
-//     a range [begin, end) defined by a pair of STL-style iterators. These
-//     iterators can also be plain C pointers.
-//
-// Please note that ValuesIn copies the values from the containers
-// passed in and keeps them to generate tests in RUN_ALL_TESTS().
-//
-// Examples:
-//
-// This instantiates tests from test suite StringTest
-// each with C-string values of "foo", "bar", and "baz":
-//
-// const char* strings[] = {"foo", "bar", "baz"};
-// INSTANTIATE_TEST_SUITE_P(StringSequence, StringTest, ValuesIn(strings));
-//
-// This instantiates tests from test suite StlStringTest
-// each with STL strings with values "a" and "b":
-//
-// ::std::vector< ::std::string> GetParameterStrings() {
-//   ::std::vector< ::std::string> v;
-//   v.push_back("a");
-//   v.push_back("b");
-//   return v;
-// }
-//
-// INSTANTIATE_TEST_SUITE_P(CharSequence,
-//                          StlStringTest,
-//                          ValuesIn(GetParameterStrings()));
-//
-//
-// This will also instantiate tests from CharTest
-// each with parameter values 'a' and 'b':
-//
-// ::std::list<char> GetParameterChars() {
-//   ::std::list<char> list;
-//   list.push_back('a');
-//   list.push_back('b');
-//   return list;
-// }
-// ::std::list<char> l = GetParameterChars();
-// INSTANTIATE_TEST_SUITE_P(CharSequence2,
-//                          CharTest,
-//                          ValuesIn(l.begin(), l.end()));
-//
-template <typename ForwardIterator>
-internal::ParamGenerator<
-    typename std::iterator_traits<ForwardIterator>::value_type>
-ValuesIn(ForwardIterator begin, ForwardIterator end) {
-  typedef typename std::iterator_traits<ForwardIterator>::value_type ParamType;
-  return internal::ParamGenerator<ParamType>(
-      new internal::ValuesInIteratorRangeGenerator<ParamType>(begin, end));
-}
-
-template <typename T, size_t N>
-internal::ParamGenerator<T> ValuesIn(const T (&array)[N]) {
-  return ValuesIn(array, array + N);
-}
-
-template <class Container>
-internal::ParamGenerator<typename Container::value_type> ValuesIn(
-    const Container& container) {
-  return ValuesIn(container.begin(), container.end());
-}
-
-// Values() allows generating tests from explicitly specified list of
-// parameters.
-//
-// Synopsis:
-// Values(T v1, T v2, ..., T vN)
-//   - returns a generator producing sequences with elements v1, v2, ..., vN.
-//
-// For example, this instantiates tests from test suite BarTest each
-// with values "one", "two", and "three":
-//
-// INSTANTIATE_TEST_SUITE_P(NumSequence,
-//                          BarTest,
-//                          Values("one", "two", "three"));
-//
-// This instantiates tests from test suite BazTest each with values 1, 2, 3.5.
-// The exact type of values will depend on the type of parameter in BazTest.
-//
-// INSTANTIATE_TEST_SUITE_P(FloatingNumbers, BazTest, Values(1, 2, 3.5));
-//
-//
-template <typename... T>
-internal::ValueArray<T...> Values(T... v) {
-  return internal::ValueArray<T...>(std::move(v)...);
-}
-
-// Bool() allows generating tests with parameters in a set of (false, true).
-//
-// Synopsis:
-// Bool()
-//   - returns a generator producing sequences with elements {false, true}.
-//
-// It is useful when testing code that depends on Boolean flags. Combinations
-// of multiple flags can be tested when several Bool()'s are combined using
-// Combine() function.
-//
-// In the following example all tests in the test suite FlagDependentTest
-// will be instantiated twice with parameters false and true.
-//
-// class FlagDependentTest : public testing::TestWithParam<bool> {
-//   virtual void SetUp() {
-//     external_flag = GetParam();
-//   }
-// }
-// INSTANTIATE_TEST_SUITE_P(BoolSequence, FlagDependentTest, Bool());
-//
-inline internal::ParamGenerator<bool> Bool() {
-  return Values(false, true);
-}
-
-// Combine() allows the user to combine two or more sequences to produce
-// values of a Cartesian product of those sequences' elements.
-//
-// Synopsis:
-// Combine(gen1, gen2, ..., genN)
-//   - returns a generator producing sequences with elements coming from
-//     the Cartesian product of elements from the sequences generated by
-//     gen1, gen2, ..., genN. The sequence elements will have a type of
-//     std::tuple<T1, T2, ..., TN> where T1, T2, ..., TN are the types
-//     of elements from sequences produces by gen1, gen2, ..., genN.
-//
-// Example:
-//
-// This will instantiate tests in test suite AnimalTest each one with
-// the parameter values tuple("cat", BLACK), tuple("cat", WHITE),
-// tuple("dog", BLACK), and tuple("dog", WHITE):
-//
-// enum Color { BLACK, GRAY, WHITE };
-// class AnimalTest
-//     : public testing::TestWithParam<std::tuple<const char*, Color> > {...};
-//
-// TEST_P(AnimalTest, AnimalLooksNice) {...}
-//
-// INSTANTIATE_TEST_SUITE_P(AnimalVariations, AnimalTest,
-//                          Combine(Values("cat", "dog"),
-//                                  Values(BLACK, WHITE)));
-//
-// This will instantiate tests in FlagDependentTest with all variations of two
-// Boolean flags:
-//
-// class FlagDependentTest
-//     : public testing::TestWithParam<std::tuple<bool, bool> > {
-//   virtual void SetUp() {
-//     // Assigns external_flag_1 and external_flag_2 values from the tuple.
-//     std::tie(external_flag_1, external_flag_2) = GetParam();
-//   }
-// };
-//
-// TEST_P(FlagDependentTest, TestFeature1) {
-//   // Test your code using external_flag_1 and external_flag_2 here.
-// }
-// INSTANTIATE_TEST_SUITE_P(TwoBoolSequence, FlagDependentTest,
-//                          Combine(Bool(), Bool()));
-//
-template <typename... Generator>
-internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) {
-  return internal::CartesianProductHolder<Generator...>(g...);
-}
-
-#define TEST_P(test_suite_name, test_name)                                     \
-  class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)                     \
-      : public test_suite_name {                                               \
-   public:                                                                     \
-    GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() {}                    \
-    void TestBody() override;                                                  \
-                                                                               \
-   private:                                                                    \
-    static int AddToRegistry() {                                               \
-      ::testing::UnitTest::GetInstance()                                       \
-          ->parameterized_test_registry()                                      \
-          .GetTestSuitePatternHolder<test_suite_name>(                         \
-              GTEST_STRINGIFY_(test_suite_name),                               \
-              ::testing::internal::CodeLocation(__FILE__, __LINE__))           \
-          ->AddTestPattern(                                                    \
-              GTEST_STRINGIFY_(test_suite_name), GTEST_STRINGIFY_(test_name),  \
-              new ::testing::internal::TestMetaFactory<GTEST_TEST_CLASS_NAME_( \
-                  test_suite_name, test_name)>(),                              \
-              ::testing::internal::CodeLocation(__FILE__, __LINE__));          \
-      return 0;                                                                \
-    }                                                                          \
-    static int gtest_registering_dummy_ GTEST_ATTRIBUTE_UNUSED_;               \
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name,    \
-                                                           test_name));        \
-  };                                                                           \
-  int GTEST_TEST_CLASS_NAME_(test_suite_name,                                  \
-                             test_name)::gtest_registering_dummy_ =            \
-      GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::AddToRegistry();     \
-  void GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::TestBody()
-
-// The last argument to INSTANTIATE_TEST_SUITE_P allows the user to specify
-// generator and an optional function or functor that generates custom test name
-// suffixes based on the test parameters. Such a function or functor should
-// accept one argument of type testing::TestParamInfo<class ParamType>, and
-// return std::string.
-//
-// testing::PrintToStringParamName is a builtin test suffix generator that
-// returns the value of testing::PrintToString(GetParam()).
-//
-// Note: test names must be non-empty, unique, and may only contain ASCII
-// alphanumeric characters or underscore. Because PrintToString adds quotes
-// to std::string and C strings, it won't work for these types.
-
-#define GTEST_EXPAND_(arg) arg
-#define GTEST_GET_FIRST_(first, ...) first
-#define GTEST_GET_SECOND_(first, second, ...) second
-
-#define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, ...)                \
-  static ::testing::internal::ParamGenerator<test_suite_name::ParamType>      \
-      gtest_##prefix##test_suite_name##_EvalGenerator_() {                    \
-    return GTEST_EXPAND_(GTEST_GET_FIRST_(__VA_ARGS__, DUMMY_PARAM_));        \
-  }                                                                           \
-  static ::std::string gtest_##prefix##test_suite_name##_EvalGenerateName_(   \
-      const ::testing::TestParamInfo<test_suite_name::ParamType>& info) {     \
-    if (::testing::internal::AlwaysFalse()) {                                 \
-      ::testing::internal::TestNotEmpty(GTEST_EXPAND_(GTEST_GET_SECOND_(      \
-          __VA_ARGS__,                                                        \
-          ::testing::internal::DefaultParamName<test_suite_name::ParamType>,  \
-          DUMMY_PARAM_)));                                                    \
-      auto t = std::make_tuple(__VA_ARGS__);                                  \
-      static_assert(std::tuple_size<decltype(t)>::value <= 2,                 \
-                    "Too Many Args!");                                        \
-    }                                                                         \
-    return ((GTEST_EXPAND_(GTEST_GET_SECOND_(                                 \
-        __VA_ARGS__,                                                          \
-        ::testing::internal::DefaultParamName<test_suite_name::ParamType>,    \
-        DUMMY_PARAM_))))(info);                                               \
-  }                                                                           \
-  static int gtest_##prefix##test_suite_name##_dummy_                         \
-      GTEST_ATTRIBUTE_UNUSED_ =                                               \
-          ::testing::UnitTest::GetInstance()                                  \
-              ->parameterized_test_registry()                                 \
-              .GetTestSuitePatternHolder<test_suite_name>(                    \
-                  GTEST_STRINGIFY_(test_suite_name),                          \
-                  ::testing::internal::CodeLocation(__FILE__, __LINE__))      \
-              ->AddTestSuiteInstantiation(                                    \
-                  GTEST_STRINGIFY_(prefix),                                   \
-                  &gtest_##prefix##test_suite_name##_EvalGenerator_,          \
-                  &gtest_##prefix##test_suite_name##_EvalGenerateName_,       \
-                  __FILE__, __LINE__)
-
-
-// Allow Marking a Parameterized test class as not needing to be instantiated.
-#define GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(T)                   \
-  namespace gtest_do_not_use_outside_namespace_scope {}                   \
-  static const ::testing::internal::MarkAsIgnored gtest_allow_ignore_##T( \
-      GTEST_STRINGIFY_(T))
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-#define INSTANTIATE_TEST_CASE_P                                            \
-  static_assert(::testing::internal::InstantiateTestCase_P_IsDeprecated(), \
-                "");                                                       \
-  INSTANTIATE_TEST_SUITE_P
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
-// Copyright 2006, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-//
-// Google C++ Testing and Mocking Framework definitions useful in production code.
-// GOOGLETEST_CM0003 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PROD_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_PROD_H_
-
-// When you need to test the private or protected members of a class,
-// use the FRIEND_TEST macro to declare your tests as friends of the
-// class.  For example:
-//
-// class MyClass {
-//  private:
-//   void PrivateMethod();
-//   FRIEND_TEST(MyClassTest, PrivateMethodWorks);
-// };
-//
-// class MyClassTest : public testing::Test {
-//   // ...
-// };
-//
-// TEST_F(MyClassTest, PrivateMethodWorks) {
-//   // Can call MyClass::PrivateMethod() here.
-// }
-//
-// Note: The test class must be in the same namespace as the class being tested.
-// For example, putting MyClassTest in an anonymous namespace will not work.
-
-#define FRIEND_TEST(test_case_name, test_name)\
-friend class test_case_name##_##test_name##_Test
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_PROD_H_
-// Copyright 2008 Google Inc.
-// All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_
-
-// This header implements typed tests and type-parameterized tests.
-
-// Typed (aka type-driven) tests repeat the same test for types in a
-// list.  You must know which types you want to test with when writing
-// typed tests. Here's how you do it:
-
-#if 0
-
-// First, define a fixture class template.  It should be parameterized
-// by a type.  Remember to derive it from testing::Test.
-template <typename T>
-class FooTest : public testing::Test {
- public:
-  ...
-  typedef std::list<T> List;
-  static T shared_;
-  T value_;
-};
-
-// Next, associate a list of types with the test suite, which will be
-// repeated for each type in the list.  The typedef is necessary for
-// the macro to parse correctly.
-typedef testing::Types<char, int, unsigned int> MyTypes;
-TYPED_TEST_SUITE(FooTest, MyTypes);
-
-// If the type list contains only one type, you can write that type
-// directly without Types<...>:
-//   TYPED_TEST_SUITE(FooTest, int);
-
-// Then, use TYPED_TEST() instead of TEST_F() to define as many typed
-// tests for this test suite as you want.
-TYPED_TEST(FooTest, DoesBlah) {
-  // Inside a test, refer to the special name TypeParam to get the type
-  // parameter.  Since we are inside a derived class template, C++ requires
-  // us to visit the members of FooTest via 'this'.
-  TypeParam n = this->value_;
-
-  // To visit static members of the fixture, add the TestFixture::
-  // prefix.
-  n += TestFixture::shared_;
-
-  // To refer to typedefs in the fixture, add the "typename
-  // TestFixture::" prefix.
-  typename TestFixture::List values;
-  values.push_back(n);
-  ...
-}
-
-TYPED_TEST(FooTest, HasPropertyA) { ... }
-
-// TYPED_TEST_SUITE takes an optional third argument which allows to specify a
-// class that generates custom test name suffixes based on the type. This should
-// be a class which has a static template function GetName(int index) returning
-// a string for each type. The provided integer index equals the index of the
-// type in the provided type list. In many cases the index can be ignored.
-//
-// For example:
-//   class MyTypeNames {
-//    public:
-//     template <typename T>
-//     static std::string GetName(int) {
-//       if (std::is_same<T, char>()) return "char";
-//       if (std::is_same<T, int>()) return "int";
-//       if (std::is_same<T, unsigned int>()) return "unsignedInt";
-//     }
-//   };
-//   TYPED_TEST_SUITE(FooTest, MyTypes, MyTypeNames);
-
-#endif  // 0
-
-// Type-parameterized tests are abstract test patterns parameterized
-// by a type.  Compared with typed tests, type-parameterized tests
-// allow you to define the test pattern without knowing what the type
-// parameters are.  The defined pattern can be instantiated with
-// different types any number of times, in any number of translation
-// units.
-//
-// If you are designing an interface or concept, you can define a
-// suite of type-parameterized tests to verify properties that any
-// valid implementation of the interface/concept should have.  Then,
-// each implementation can easily instantiate the test suite to verify
-// that it conforms to the requirements, without having to write
-// similar tests repeatedly.  Here's an example:
-
-#if 0
-
-// First, define a fixture class template.  It should be parameterized
-// by a type.  Remember to derive it from testing::Test.
-template <typename T>
-class FooTest : public testing::Test {
-  ...
-};
-
-// Next, declare that you will define a type-parameterized test suite
-// (the _P suffix is for "parameterized" or "pattern", whichever you
-// prefer):
-TYPED_TEST_SUITE_P(FooTest);
-
-// Then, use TYPED_TEST_P() to define as many type-parameterized tests
-// for this type-parameterized test suite as you want.
-TYPED_TEST_P(FooTest, DoesBlah) {
-  // Inside a test, refer to TypeParam to get the type parameter.
-  TypeParam n = 0;
-  ...
-}
-
-TYPED_TEST_P(FooTest, HasPropertyA) { ... }
-
-// Now the tricky part: you need to register all test patterns before
-// you can instantiate them.  The first argument of the macro is the
-// test suite name; the rest are the names of the tests in this test
-// case.
-REGISTER_TYPED_TEST_SUITE_P(FooTest,
-                            DoesBlah, HasPropertyA);
-
-// Finally, you are free to instantiate the pattern with the types you
-// want.  If you put the above code in a header file, you can #include
-// it in multiple C++ source files and instantiate it multiple times.
-//
-// To distinguish different instances of the pattern, the first
-// argument to the INSTANTIATE_* macro is a prefix that will be added
-// to the actual test suite name.  Remember to pick unique prefixes for
-// different instances.
-typedef testing::Types<char, int, unsigned int> MyTypes;
-INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes);
-
-// If the type list contains only one type, you can write that type
-// directly without Types<...>:
-//   INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, int);
-//
-// Similar to the optional argument of TYPED_TEST_SUITE above,
-// INSTANTIATE_TEST_SUITE_P takes an optional fourth argument which allows to
-// generate custom names.
-//   INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes, MyTypeNames);
-
-#endif  // 0
-
-
-// Implements typed tests.
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Expands to the name of the typedef for the type parameters of the
-// given test suite.
-#define GTEST_TYPE_PARAMS_(TestSuiteName) gtest_type_params_##TestSuiteName##_
-
-// Expands to the name of the typedef for the NameGenerator, responsible for
-// creating the suffixes of the name.
-#define GTEST_NAME_GENERATOR_(TestSuiteName) \
-  gtest_type_params_##TestSuiteName##_NameGenerator
-
-#define TYPED_TEST_SUITE(CaseName, Types, ...)                          \
-  typedef ::testing::internal::GenerateTypeList<Types>::type            \
-      GTEST_TYPE_PARAMS_(CaseName);                                     \
-  typedef ::testing::internal::NameGeneratorSelector<__VA_ARGS__>::type \
-      GTEST_NAME_GENERATOR_(CaseName)
-
-#define TYPED_TEST(CaseName, TestName)                                        \
-  static_assert(sizeof(GTEST_STRINGIFY_(TestName)) > 1,                       \
-                "test-name must not be empty");                               \
-  template <typename gtest_TypeParam_>                                        \
-  class GTEST_TEST_CLASS_NAME_(CaseName, TestName)                            \
-      : public CaseName<gtest_TypeParam_> {                                   \
-   private:                                                                   \
-    typedef CaseName<gtest_TypeParam_> TestFixture;                           \
-    typedef gtest_TypeParam_ TypeParam;                                       \
-    void TestBody() override;                                                 \
-  };                                                                          \
-  static bool gtest_##CaseName##_##TestName##_registered_                     \
-      GTEST_ATTRIBUTE_UNUSED_ = ::testing::internal::TypeParameterizedTest<   \
-          CaseName,                                                           \
-          ::testing::internal::TemplateSel<GTEST_TEST_CLASS_NAME_(CaseName,   \
-                                                                  TestName)>, \
-          GTEST_TYPE_PARAMS_(                                                 \
-              CaseName)>::Register("",                                        \
-                                   ::testing::internal::CodeLocation(         \
-                                       __FILE__, __LINE__),                   \
-                                   GTEST_STRINGIFY_(CaseName),                \
-                                   GTEST_STRINGIFY_(TestName), 0,             \
-                                   ::testing::internal::GenerateNames<        \
-                                       GTEST_NAME_GENERATOR_(CaseName),       \
-                                       GTEST_TYPE_PARAMS_(CaseName)>());      \
-  template <typename gtest_TypeParam_>                                        \
-  void GTEST_TEST_CLASS_NAME_(CaseName,                                       \
-                              TestName)<gtest_TypeParam_>::TestBody()
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-#define TYPED_TEST_CASE                                                \
-  static_assert(::testing::internal::TypedTestCaseIsDeprecated(), ""); \
-  TYPED_TEST_SUITE
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-// Implements type-parameterized tests.
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Expands to the namespace name that the type-parameterized tests for
-// the given type-parameterized test suite are defined in.  The exact
-// name of the namespace is subject to change without notice.
-#define GTEST_SUITE_NAMESPACE_(TestSuiteName) gtest_suite_##TestSuiteName##_
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-//
-// Expands to the name of the variable used to remember the names of
-// the defined tests in the given test suite.
-#define GTEST_TYPED_TEST_SUITE_P_STATE_(TestSuiteName) \
-  gtest_typed_test_suite_p_state_##TestSuiteName##_
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE DIRECTLY.
-//
-// Expands to the name of the variable used to remember the names of
-// the registered tests in the given test suite.
-#define GTEST_REGISTERED_TEST_NAMES_(TestSuiteName) \
-  gtest_registered_test_names_##TestSuiteName##_
-
-// The variables defined in the type-parameterized test macros are
-// static as typically these macros are used in a .h file that can be
-// #included in multiple translation units linked together.
-#define TYPED_TEST_SUITE_P(SuiteName)              \
-  static ::testing::internal::TypedTestSuitePState \
-      GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName)
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-#define TYPED_TEST_CASE_P                                                 \
-  static_assert(::testing::internal::TypedTestCase_P_IsDeprecated(), ""); \
-  TYPED_TEST_SUITE_P
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-#define TYPED_TEST_P(SuiteName, TestName)                             \
-  namespace GTEST_SUITE_NAMESPACE_(SuiteName) {                       \
-    template <typename gtest_TypeParam_>                              \
-    class TestName : public SuiteName<gtest_TypeParam_> {             \
-     private:                                                         \
-      typedef SuiteName<gtest_TypeParam_> TestFixture;                \
-      typedef gtest_TypeParam_ TypeParam;                             \
-      void TestBody() override;                                       \
-    };                                                                \
-    static bool gtest_##TestName##_defined_ GTEST_ATTRIBUTE_UNUSED_ = \
-        GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).AddTestName(       \
-            __FILE__, __LINE__, GTEST_STRINGIFY_(SuiteName),          \
-            GTEST_STRINGIFY_(TestName));                              \
-  }                                                                   \
-  template <typename gtest_TypeParam_>                                \
-  void GTEST_SUITE_NAMESPACE_(                                        \
-      SuiteName)::TestName<gtest_TypeParam_>::TestBody()
-
-// Note: this won't work correctly if the trailing arguments are macros.
-#define REGISTER_TYPED_TEST_SUITE_P(SuiteName, ...)                         \
-  namespace GTEST_SUITE_NAMESPACE_(SuiteName) {                             \
-    typedef ::testing::internal::Templates<__VA_ARGS__> gtest_AllTests_;    \
-  }                                                                         \
-  static const char* const GTEST_REGISTERED_TEST_NAMES_(                    \
-      SuiteName) GTEST_ATTRIBUTE_UNUSED_ =                                  \
-      GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).VerifyRegisteredTestNames( \
-          GTEST_STRINGIFY_(SuiteName), __FILE__, __LINE__, #__VA_ARGS__)
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-#define REGISTER_TYPED_TEST_CASE_P                                           \
-  static_assert(::testing::internal::RegisterTypedTestCase_P_IsDeprecated(), \
-                "");                                                         \
-  REGISTER_TYPED_TEST_SUITE_P
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-#define INSTANTIATE_TYPED_TEST_SUITE_P(Prefix, SuiteName, Types, ...)       \
-  static_assert(sizeof(GTEST_STRINGIFY_(Prefix)) > 1,                       \
-                "test-suit-prefix must not be empty");                      \
-  static bool gtest_##Prefix##_##SuiteName GTEST_ATTRIBUTE_UNUSED_ =        \
-      ::testing::internal::TypeParameterizedTestSuite<                      \
-          SuiteName, GTEST_SUITE_NAMESPACE_(SuiteName)::gtest_AllTests_,    \
-          ::testing::internal::GenerateTypeList<Types>::type>::             \
-          Register(GTEST_STRINGIFY_(Prefix),                                \
-                   ::testing::internal::CodeLocation(__FILE__, __LINE__),   \
-                   &GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName),             \
-                   GTEST_STRINGIFY_(SuiteName),                             \
-                   GTEST_REGISTERED_TEST_NAMES_(SuiteName),                 \
-                   ::testing::internal::GenerateNames<                      \
-                       ::testing::internal::NameGeneratorSelector<          \
-                           __VA_ARGS__>::type,                              \
-                       ::testing::internal::GenerateTypeList<Types>::type>())
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-#define INSTANTIATE_TYPED_TEST_CASE_P                                      \
-  static_assert(                                                           \
-      ::testing::internal::InstantiateTypedTestCase_P_IsDeprecated(), ""); \
-  INSTANTIATE_TYPED_TEST_SUITE_P
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_
-
-GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
-/* class A needs to have dll-interface to be used by clients of class B */)
-
-namespace testing {
-
-// Silence C4100 (unreferenced formal parameter) and 4805
-// unsafe mix of type 'const int' and type 'const bool'
-#ifdef _MSC_VER
-# pragma warning(push)
-# pragma warning(disable:4805)
-# pragma warning(disable:4100)
-#endif
-
-
-// Declares the flags.
-
-// This flag temporary enables the disabled tests.
-GTEST_DECLARE_bool_(also_run_disabled_tests);
-
-// This flag brings the debugger on an assertion failure.
-GTEST_DECLARE_bool_(break_on_failure);
-
-// This flag controls whether Google Test catches all test-thrown exceptions
-// and logs them as failures.
-GTEST_DECLARE_bool_(catch_exceptions);
-
-// This flag enables using colors in terminal output. Available values are
-// "yes" to enable colors, "no" (disable colors), or "auto" (the default)
-// to let Google Test decide.
-GTEST_DECLARE_string_(color);
-
-// This flag controls whether the test runner should continue execution past
-// first failure.
-GTEST_DECLARE_bool_(fail_fast);
-
-// This flag sets up the filter to select by name using a glob pattern
-// the tests to run. If the filter is not given all tests are executed.
-GTEST_DECLARE_string_(filter);
-
-// This flag controls whether Google Test installs a signal handler that dumps
-// debugging information when fatal signals are raised.
-GTEST_DECLARE_bool_(install_failure_signal_handler);
-
-// This flag causes the Google Test to list tests. None of the tests listed
-// are actually run if the flag is provided.
-GTEST_DECLARE_bool_(list_tests);
-
-// This flag controls whether Google Test emits a detailed XML report to a file
-// in addition to its normal textual output.
-GTEST_DECLARE_string_(output);
-
-// This flags control whether Google Test prints only test failures.
-GTEST_DECLARE_bool_(brief);
-
-// This flags control whether Google Test prints the elapsed time for each
-// test.
-GTEST_DECLARE_bool_(print_time);
-
-// This flags control whether Google Test prints UTF8 characters as text.
-GTEST_DECLARE_bool_(print_utf8);
-
-// This flag specifies the random number seed.
-GTEST_DECLARE_int32_(random_seed);
-
-// This flag sets how many times the tests are repeated. The default value
-// is 1. If the value is -1 the tests are repeating forever.
-GTEST_DECLARE_int32_(repeat);
-
-// This flag controls whether Google Test includes Google Test internal
-// stack frames in failure stack traces.
-GTEST_DECLARE_bool_(show_internal_stack_frames);
-
-// When this flag is specified, tests' order is randomized on every iteration.
-GTEST_DECLARE_bool_(shuffle);
-
-// This flag specifies the maximum number of stack frames to be
-// printed in a failure message.
-GTEST_DECLARE_int32_(stack_trace_depth);
-
-// When this flag is specified, a failed assertion will throw an
-// exception if exceptions are enabled, or exit the program with a
-// non-zero code otherwise. For use with an external test framework.
-GTEST_DECLARE_bool_(throw_on_failure);
-
-// When this flag is set with a "host:port" string, on supported
-// platforms test results are streamed to the specified port on
-// the specified host machine.
-GTEST_DECLARE_string_(stream_result_to);
-
-#if GTEST_USE_OWN_FLAGFILE_FLAG_
-GTEST_DECLARE_string_(flagfile);
-#endif  // GTEST_USE_OWN_FLAGFILE_FLAG_
-
-// The upper limit for valid stack trace depths.
-const int kMaxStackTraceDepth = 100;
-
-namespace internal {
-
-class AssertHelper;
-class DefaultGlobalTestPartResultReporter;
-class ExecDeathTest;
-class NoExecDeathTest;
-class FinalSuccessChecker;
-class GTestFlagSaver;
-class StreamingListenerTest;
-class TestResultAccessor;
-class TestEventListenersAccessor;
-class TestEventRepeater;
-class UnitTestRecordPropertyTestHelper;
-class WindowsDeathTest;
-class FuchsiaDeathTest;
-class UnitTestImpl* GetUnitTestImpl();
-void ReportFailureInUnknownLocation(TestPartResult::Type result_type,
-                                    const std::string& message);
-std::set<std::string>* GetIgnoredParameterizedTestSuites();
-
-}  // namespace internal
-
-// The friend relationship of some of these classes is cyclic.
-// If we don't forward declare them the compiler might confuse the classes
-// in friendship clauses with same named classes on the scope.
-class Test;
-class TestSuite;
-
-// Old API is still available but deprecated
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-using TestCase = TestSuite;
-#endif
-class TestInfo;
-class UnitTest;
-
-// A class for indicating whether an assertion was successful.  When
-// the assertion wasn't successful, the AssertionResult object
-// remembers a non-empty message that describes how it failed.
-//
-// To create an instance of this class, use one of the factory functions
-// (AssertionSuccess() and AssertionFailure()).
-//
-// This class is useful for two purposes:
-//   1. Defining predicate functions to be used with Boolean test assertions
-//      EXPECT_TRUE/EXPECT_FALSE and their ASSERT_ counterparts
-//   2. Defining predicate-format functions to be
-//      used with predicate assertions (ASSERT_PRED_FORMAT*, etc).
-//
-// For example, if you define IsEven predicate:
-//
-//   testing::AssertionResult IsEven(int n) {
-//     if ((n % 2) == 0)
-//       return testing::AssertionSuccess();
-//     else
-//       return testing::AssertionFailure() << n << " is odd";
-//   }
-//
-// Then the failed expectation EXPECT_TRUE(IsEven(Fib(5)))
-// will print the message
-//
-//   Value of: IsEven(Fib(5))
-//     Actual: false (5 is odd)
-//   Expected: true
-//
-// instead of a more opaque
-//
-//   Value of: IsEven(Fib(5))
-//     Actual: false
-//   Expected: true
-//
-// in case IsEven is a simple Boolean predicate.
-//
-// If you expect your predicate to be reused and want to support informative
-// messages in EXPECT_FALSE and ASSERT_FALSE (negative assertions show up
-// about half as often as positive ones in our tests), supply messages for
-// both success and failure cases:
-//
-//   testing::AssertionResult IsEven(int n) {
-//     if ((n % 2) == 0)
-//       return testing::AssertionSuccess() << n << " is even";
-//     else
-//       return testing::AssertionFailure() << n << " is odd";
-//   }
-//
-// Then a statement EXPECT_FALSE(IsEven(Fib(6))) will print
-//
-//   Value of: IsEven(Fib(6))
-//     Actual: true (8 is even)
-//   Expected: false
-//
-// NB: Predicates that support negative Boolean assertions have reduced
-// performance in positive ones so be careful not to use them in tests
-// that have lots (tens of thousands) of positive Boolean assertions.
-//
-// To use this class with EXPECT_PRED_FORMAT assertions such as:
-//
-//   // Verifies that Foo() returns an even number.
-//   EXPECT_PRED_FORMAT1(IsEven, Foo());
-//
-// you need to define:
-//
-//   testing::AssertionResult IsEven(const char* expr, int n) {
-//     if ((n % 2) == 0)
-//       return testing::AssertionSuccess();
-//     else
-//       return testing::AssertionFailure()
-//         << "Expected: " << expr << " is even\n  Actual: it's " << n;
-//   }
-//
-// If Foo() returns 5, you will see the following message:
-//
-//   Expected: Foo() is even
-//     Actual: it's 5
-//
-class GTEST_API_ AssertionResult {
- public:
-  // Copy constructor.
-  // Used in EXPECT_TRUE/FALSE(assertion_result).
-  AssertionResult(const AssertionResult& other);
-
-// C4800 is a level 3 warning in Visual Studio 2015 and earlier.
-// This warning is not emitted in Visual Studio 2017.
-// This warning is off by default starting in Visual Studio 2019 but can be
-// enabled with command-line options.
-#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920)
-  GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 /* forcing value to bool */)
-#endif
-
-  // Used in the EXPECT_TRUE/FALSE(bool_expression).
-  //
-  // T must be contextually convertible to bool.
-  //
-  // The second parameter prevents this overload from being considered if
-  // the argument is implicitly convertible to AssertionResult. In that case
-  // we want AssertionResult's copy constructor to be used.
-  template <typename T>
-  explicit AssertionResult(
-      const T& success,
-      typename std::enable_if<
-          !std::is_convertible<T, AssertionResult>::value>::type*
-      /*enabler*/
-      = nullptr)
-      : success_(success) {}
-
-#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920)
-  GTEST_DISABLE_MSC_WARNINGS_POP_()
-#endif
-
-  // Assignment operator.
-  AssertionResult& operator=(AssertionResult other) {
-    swap(other);
-    return *this;
-  }
-
-  // Returns true if and only if the assertion succeeded.
-  operator bool() const { return success_; }  // NOLINT
-
-  // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
-  AssertionResult operator!() const;
-
-  // Returns the text streamed into this AssertionResult. Test assertions
-  // use it when they fail (i.e., the predicate's outcome doesn't match the
-  // assertion's expectation). When nothing has been streamed into the
-  // object, returns an empty string.
-  const char* message() const {
-    return message_.get() != nullptr ? message_->c_str() : "";
-  }
-  // Deprecated; please use message() instead.
-  const char* failure_message() const { return message(); }
-
-  // Streams a custom failure message into this object.
-  template <typename T> AssertionResult& operator<<(const T& value) {
-    AppendMessage(Message() << value);
-    return *this;
-  }
-
-  // Allows streaming basic output manipulators such as endl or flush into
-  // this object.
-  AssertionResult& operator<<(
-      ::std::ostream& (*basic_manipulator)(::std::ostream& stream)) {
-    AppendMessage(Message() << basic_manipulator);
-    return *this;
-  }
-
- private:
-  // Appends the contents of message to message_.
-  void AppendMessage(const Message& a_message) {
-    if (message_.get() == nullptr) message_.reset(new ::std::string);
-    message_->append(a_message.GetString().c_str());
-  }
-
-  // Swap the contents of this AssertionResult with other.
-  void swap(AssertionResult& other);
-
-  // Stores result of the assertion predicate.
-  bool success_;
-  // Stores the message describing the condition in case the expectation
-  // construct is not satisfied with the predicate's outcome.
-  // Referenced via a pointer to avoid taking too much stack frame space
-  // with test assertions.
-  std::unique_ptr< ::std::string> message_;
-};
-
-// Makes a successful assertion result.
-GTEST_API_ AssertionResult AssertionSuccess();
-
-// Makes a failed assertion result.
-GTEST_API_ AssertionResult AssertionFailure();
-
-// Makes a failed assertion result with the given failure message.
-// Deprecated; use AssertionFailure() << msg.
-GTEST_API_ AssertionResult AssertionFailure(const Message& msg);
-
-}  // namespace testing
-
-// Includes the auto-generated header that implements a family of generic
-// predicate assertion macros. This include comes late because it relies on
-// APIs declared above.
-// Copyright 2006, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This file is AUTOMATICALLY GENERATED on 01/02/2019 by command
-// 'gen_gtest_pred_impl.py 5'.  DO NOT EDIT BY HAND!
-//
-// Implements a family of generic predicate assertion macros.
-// GOOGLETEST_CM0001 DO NOT DELETE
-
-#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
-#define GOOGLETEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
-
-
-namespace testing {
-
-// This header implements a family of generic predicate assertion
-// macros:
-//
-//   ASSERT_PRED_FORMAT1(pred_format, v1)
-//   ASSERT_PRED_FORMAT2(pred_format, v1, v2)
-//   ...
-//
-// where pred_format is a function or functor that takes n (in the
-// case of ASSERT_PRED_FORMATn) values and their source expression
-// text, and returns a testing::AssertionResult.  See the definition
-// of ASSERT_EQ in gtest.h for an example.
-//
-// If you don't care about formatting, you can use the more
-// restrictive version:
-//
-//   ASSERT_PRED1(pred, v1)
-//   ASSERT_PRED2(pred, v1, v2)
-//   ...
-//
-// where pred is an n-ary function or functor that returns bool,
-// and the values v1, v2, ..., must support the << operator for
-// streaming to std::ostream.
-//
-// We also define the EXPECT_* variations.
-//
-// For now we only support predicates whose arity is at most 5.
-// Please email googletestframework@googlegroups.com if you need
-// support for higher arities.
-
-// GTEST_ASSERT_ is the basic statement to which all of the assertions
-// in this file reduce.  Don't use this in your code.
-
-#define GTEST_ASSERT_(expression, on_failure) \
-  GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
-  if (const ::testing::AssertionResult gtest_ar = (expression)) \
-    ; \
-  else \
-    on_failure(gtest_ar.failure_message())
-
-
-// Helper function for implementing {EXPECT|ASSERT}_PRED1.  Don't use
-// this in your code.
-template <typename Pred,
-          typename T1>
-AssertionResult AssertPred1Helper(const char* pred_text,
-                                  const char* e1,
-                                  Pred pred,
-                                  const T1& v1) {
-  if (pred(v1)) return AssertionSuccess();
-
-  return AssertionFailure()
-         << pred_text << "(" << e1 << ") evaluates to false, where"
-         << "\n"
-         << e1 << " evaluates to " << ::testing::PrintToString(v1);
-}
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT1.
-// Don't use this in your code.
-#define GTEST_PRED_FORMAT1_(pred_format, v1, on_failure)\
-  GTEST_ASSERT_(pred_format(#v1, v1), \
-                on_failure)
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED1.  Don't use
-// this in your code.
-#define GTEST_PRED1_(pred, v1, on_failure)\
-  GTEST_ASSERT_(::testing::AssertPred1Helper(#pred, \
-                                             #v1, \
-                                             pred, \
-                                             v1), on_failure)
-
-// Unary predicate assertion macros.
-#define EXPECT_PRED_FORMAT1(pred_format, v1) \
-  GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_PRED1(pred, v1) \
-  GTEST_PRED1_(pred, v1, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_PRED_FORMAT1(pred_format, v1) \
-  GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_FATAL_FAILURE_)
-#define ASSERT_PRED1(pred, v1) \
-  GTEST_PRED1_(pred, v1, GTEST_FATAL_FAILURE_)
-
-
-
-// Helper function for implementing {EXPECT|ASSERT}_PRED2.  Don't use
-// this in your code.
-template <typename Pred,
-          typename T1,
-          typename T2>
-AssertionResult AssertPred2Helper(const char* pred_text,
-                                  const char* e1,
-                                  const char* e2,
-                                  Pred pred,
-                                  const T1& v1,
-                                  const T2& v2) {
-  if (pred(v1, v2)) return AssertionSuccess();
-
-  return AssertionFailure()
-         << pred_text << "(" << e1 << ", " << e2
-         << ") evaluates to false, where"
-         << "\n"
-         << e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
-         << e2 << " evaluates to " << ::testing::PrintToString(v2);
-}
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT2.
-// Don't use this in your code.
-#define GTEST_PRED_FORMAT2_(pred_format, v1, v2, on_failure)\
-  GTEST_ASSERT_(pred_format(#v1, #v2, v1, v2), \
-                on_failure)
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED2.  Don't use
-// this in your code.
-#define GTEST_PRED2_(pred, v1, v2, on_failure)\
-  GTEST_ASSERT_(::testing::AssertPred2Helper(#pred, \
-                                             #v1, \
-                                             #v2, \
-                                             pred, \
-                                             v1, \
-                                             v2), on_failure)
-
-// Binary predicate assertion macros.
-#define EXPECT_PRED_FORMAT2(pred_format, v1, v2) \
-  GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_PRED2(pred, v1, v2) \
-  GTEST_PRED2_(pred, v1, v2, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_PRED_FORMAT2(pred_format, v1, v2) \
-  GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_FATAL_FAILURE_)
-#define ASSERT_PRED2(pred, v1, v2) \
-  GTEST_PRED2_(pred, v1, v2, GTEST_FATAL_FAILURE_)
-
-
-
-// Helper function for implementing {EXPECT|ASSERT}_PRED3.  Don't use
-// this in your code.
-template <typename Pred,
-          typename T1,
-          typename T2,
-          typename T3>
-AssertionResult AssertPred3Helper(const char* pred_text,
-                                  const char* e1,
-                                  const char* e2,
-                                  const char* e3,
-                                  Pred pred,
-                                  const T1& v1,
-                                  const T2& v2,
-                                  const T3& v3) {
-  if (pred(v1, v2, v3)) return AssertionSuccess();
-
-  return AssertionFailure()
-         << pred_text << "(" << e1 << ", " << e2 << ", " << e3
-         << ") evaluates to false, where"
-         << "\n"
-         << e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
-         << e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
-         << e3 << " evaluates to " << ::testing::PrintToString(v3);
-}
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT3.
-// Don't use this in your code.
-#define GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, on_failure)\
-  GTEST_ASSERT_(pred_format(#v1, #v2, #v3, v1, v2, v3), \
-                on_failure)
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED3.  Don't use
-// this in your code.
-#define GTEST_PRED3_(pred, v1, v2, v3, on_failure)\
-  GTEST_ASSERT_(::testing::AssertPred3Helper(#pred, \
-                                             #v1, \
-                                             #v2, \
-                                             #v3, \
-                                             pred, \
-                                             v1, \
-                                             v2, \
-                                             v3), on_failure)
-
-// Ternary predicate assertion macros.
-#define EXPECT_PRED_FORMAT3(pred_format, v1, v2, v3) \
-  GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_PRED3(pred, v1, v2, v3) \
-  GTEST_PRED3_(pred, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_PRED_FORMAT3(pred_format, v1, v2, v3) \
-  GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_FATAL_FAILURE_)
-#define ASSERT_PRED3(pred, v1, v2, v3) \
-  GTEST_PRED3_(pred, v1, v2, v3, GTEST_FATAL_FAILURE_)
-
-
-
-// Helper function for implementing {EXPECT|ASSERT}_PRED4.  Don't use
-// this in your code.
-template <typename Pred,
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4>
-AssertionResult AssertPred4Helper(const char* pred_text,
-                                  const char* e1,
-                                  const char* e2,
-                                  const char* e3,
-                                  const char* e4,
-                                  Pred pred,
-                                  const T1& v1,
-                                  const T2& v2,
-                                  const T3& v3,
-                                  const T4& v4) {
-  if (pred(v1, v2, v3, v4)) return AssertionSuccess();
-
-  return AssertionFailure()
-         << pred_text << "(" << e1 << ", " << e2 << ", " << e3 << ", " << e4
-         << ") evaluates to false, where"
-         << "\n"
-         << e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
-         << e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
-         << e3 << " evaluates to " << ::testing::PrintToString(v3) << "\n"
-         << e4 << " evaluates to " << ::testing::PrintToString(v4);
-}
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT4.
-// Don't use this in your code.
-#define GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, on_failure)\
-  GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, v1, v2, v3, v4), \
-                on_failure)
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED4.  Don't use
-// this in your code.
-#define GTEST_PRED4_(pred, v1, v2, v3, v4, on_failure)\
-  GTEST_ASSERT_(::testing::AssertPred4Helper(#pred, \
-                                             #v1, \
-                                             #v2, \
-                                             #v3, \
-                                             #v4, \
-                                             pred, \
-                                             v1, \
-                                             v2, \
-                                             v3, \
-                                             v4), on_failure)
-
-// 4-ary predicate assertion macros.
-#define EXPECT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
-  GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_PRED4(pred, v1, v2, v3, v4) \
-  GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
-  GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
-#define ASSERT_PRED4(pred, v1, v2, v3, v4) \
-  GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
-
-
-
-// Helper function for implementing {EXPECT|ASSERT}_PRED5.  Don't use
-// this in your code.
-template <typename Pred,
-          typename T1,
-          typename T2,
-          typename T3,
-          typename T4,
-          typename T5>
-AssertionResult AssertPred5Helper(const char* pred_text,
-                                  const char* e1,
-                                  const char* e2,
-                                  const char* e3,
-                                  const char* e4,
-                                  const char* e5,
-                                  Pred pred,
-                                  const T1& v1,
-                                  const T2& v2,
-                                  const T3& v3,
-                                  const T4& v4,
-                                  const T5& v5) {
-  if (pred(v1, v2, v3, v4, v5)) return AssertionSuccess();
-
-  return AssertionFailure()
-         << pred_text << "(" << e1 << ", " << e2 << ", " << e3 << ", " << e4
-         << ", " << e5 << ") evaluates to false, where"
-         << "\n"
-         << e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
-         << e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
-         << e3 << " evaluates to " << ::testing::PrintToString(v3) << "\n"
-         << e4 << " evaluates to " << ::testing::PrintToString(v4) << "\n"
-         << e5 << " evaluates to " << ::testing::PrintToString(v5);
-}
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT5.
-// Don't use this in your code.
-#define GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, on_failure)\
-  GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, #v5, v1, v2, v3, v4, v5), \
-                on_failure)
-
-// Internal macro for implementing {EXPECT|ASSERT}_PRED5.  Don't use
-// this in your code.
-#define GTEST_PRED5_(pred, v1, v2, v3, v4, v5, on_failure)\
-  GTEST_ASSERT_(::testing::AssertPred5Helper(#pred, \
-                                             #v1, \
-                                             #v2, \
-                                             #v3, \
-                                             #v4, \
-                                             #v5, \
-                                             pred, \
-                                             v1, \
-                                             v2, \
-                                             v3, \
-                                             v4, \
-                                             v5), on_failure)
-
-// 5-ary predicate assertion macros.
-#define EXPECT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
-  GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_PRED5(pred, v1, v2, v3, v4, v5) \
-  GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
-  GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
-#define ASSERT_PRED5(pred, v1, v2, v3, v4, v5) \
-  GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
-
-
-
-}  // namespace testing
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
-
-namespace testing {
-
-// The abstract class that all tests inherit from.
-//
-// In Google Test, a unit test program contains one or many TestSuites, and
-// each TestSuite contains one or many Tests.
-//
-// When you define a test using the TEST macro, you don't need to
-// explicitly derive from Test - the TEST macro automatically does
-// this for you.
-//
-// The only time you derive from Test is when defining a test fixture
-// to be used in a TEST_F.  For example:
-//
-//   class FooTest : public testing::Test {
-//    protected:
-//     void SetUp() override { ... }
-//     void TearDown() override { ... }
-//     ...
-//   };
-//
-//   TEST_F(FooTest, Bar) { ... }
-//   TEST_F(FooTest, Baz) { ... }
-//
-// Test is not copyable.
-class GTEST_API_ Test {
- public:
-  friend class TestInfo;
-
-  // The d'tor is virtual as we intend to inherit from Test.
-  virtual ~Test();
-
-  // Sets up the stuff shared by all tests in this test suite.
-  //
-  // Google Test will call Foo::SetUpTestSuite() before running the first
-  // test in test suite Foo.  Hence a sub-class can define its own
-  // SetUpTestSuite() method to shadow the one defined in the super
-  // class.
-  static void SetUpTestSuite() {}
-
-  // Tears down the stuff shared by all tests in this test suite.
-  //
-  // Google Test will call Foo::TearDownTestSuite() after running the last
-  // test in test suite Foo.  Hence a sub-class can define its own
-  // TearDownTestSuite() method to shadow the one defined in the super
-  // class.
-  static void TearDownTestSuite() {}
-
-  // Legacy API is deprecated but still available. Use SetUpTestSuite and
-  // TearDownTestSuite instead.
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  static void TearDownTestCase() {}
-  static void SetUpTestCase() {}
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Returns true if and only if the current test has a fatal failure.
-  static bool HasFatalFailure();
-
-  // Returns true if and only if the current test has a non-fatal failure.
-  static bool HasNonfatalFailure();
-
-  // Returns true if and only if the current test was skipped.
-  static bool IsSkipped();
-
-  // Returns true if and only if the current test has a (either fatal or
-  // non-fatal) failure.
-  static bool HasFailure() { return HasFatalFailure() || HasNonfatalFailure(); }
-
-  // Logs a property for the current test, test suite, or for the entire
-  // invocation of the test program when used outside of the context of a
-  // test suite.  Only the last value for a given key is remembered.  These
-  // are public static so they can be called from utility functions that are
-  // not members of the test fixture.  Calls to RecordProperty made during
-  // lifespan of the test (from the moment its constructor starts to the
-  // moment its destructor finishes) will be output in XML as attributes of
-  // the <testcase> element.  Properties recorded from fixture's
-  // SetUpTestSuite or TearDownTestSuite are logged as attributes of the
-  // corresponding <testsuite> element.  Calls to RecordProperty made in the
-  // global context (before or after invocation of RUN_ALL_TESTS and from
-  // SetUp/TearDown method of Environment objects registered with Google
-  // Test) will be output as attributes of the <testsuites> element.
-  static void RecordProperty(const std::string& key, const std::string& value);
-  static void RecordProperty(const std::string& key, int value);
-
- protected:
-  // Creates a Test object.
-  Test();
-
-  // Sets up the test fixture.
-  virtual void SetUp();
-
-  // Tears down the test fixture.
-  virtual void TearDown();
-
- private:
-  // Returns true if and only if the current test has the same fixture class
-  // as the first test in the current test suite.
-  static bool HasSameFixtureClass();
-
-  // Runs the test after the test fixture has been set up.
-  //
-  // A sub-class must implement this to define the test logic.
-  //
-  // DO NOT OVERRIDE THIS FUNCTION DIRECTLY IN A USER PROGRAM.
-  // Instead, use the TEST or TEST_F macro.
-  virtual void TestBody() = 0;
-
-  // Sets up, executes, and tears down the test.
-  void Run();
-
-  // Deletes self.  We deliberately pick an unusual name for this
-  // internal method to avoid clashing with names used in user TESTs.
-  void DeleteSelf_() { delete this; }
-
-  const std::unique_ptr<GTEST_FLAG_SAVER_> gtest_flag_saver_;
-
-  // Often a user misspells SetUp() as Setup() and spends a long time
-  // wondering why it is never called by Google Test.  The declaration of
-  // the following method is solely for catching such an error at
-  // compile time:
-  //
-  //   - The return type is deliberately chosen to be not void, so it
-  //   will be a conflict if void Setup() is declared in the user's
-  //   test fixture.
-  //
-  //   - This method is private, so it will be another compiler error
-  //   if the method is called from the user's test fixture.
-  //
-  // DO NOT OVERRIDE THIS FUNCTION.
-  //
-  // If you see an error about overriding the following function or
-  // about it being private, you have mis-spelled SetUp() as Setup().
-  struct Setup_should_be_spelled_SetUp {};
-  virtual Setup_should_be_spelled_SetUp* Setup() { return nullptr; }
-
-  // We disallow copying Tests.
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(Test);
-};
-
-typedef internal::TimeInMillis TimeInMillis;
-
-// A copyable object representing a user specified test property which can be
-// output as a key/value string pair.
-//
-// Don't inherit from TestProperty as its destructor is not virtual.
-class TestProperty {
- public:
-  // C'tor.  TestProperty does NOT have a default constructor.
-  // Always use this constructor (with parameters) to create a
-  // TestProperty object.
-  TestProperty(const std::string& a_key, const std::string& a_value) :
-    key_(a_key), value_(a_value) {
-  }
-
-  // Gets the user supplied key.
-  const char* key() const {
-    return key_.c_str();
-  }
-
-  // Gets the user supplied value.
-  const char* value() const {
-    return value_.c_str();
-  }
-
-  // Sets a new value, overriding the one supplied in the constructor.
-  void SetValue(const std::string& new_value) {
-    value_ = new_value;
-  }
-
- private:
-  // The key supplied by the user.
-  std::string key_;
-  // The value supplied by the user.
-  std::string value_;
-};
-
-// The result of a single Test.  This includes a list of
-// TestPartResults, a list of TestProperties, a count of how many
-// death tests there are in the Test, and how much time it took to run
-// the Test.
-//
-// TestResult is not copyable.
-class GTEST_API_ TestResult {
- public:
-  // Creates an empty TestResult.
-  TestResult();
-
-  // D'tor.  Do not inherit from TestResult.
-  ~TestResult();
-
-  // Gets the number of all test parts.  This is the sum of the number
-  // of successful test parts and the number of failed test parts.
-  int total_part_count() const;
-
-  // Returns the number of the test properties.
-  int test_property_count() const;
-
-  // Returns true if and only if the test passed (i.e. no test part failed).
-  bool Passed() const { return !Skipped() && !Failed(); }
-
-  // Returns true if and only if the test was skipped.
-  bool Skipped() const;
-
-  // Returns true if and only if the test failed.
-  bool Failed() const;
-
-  // Returns true if and only if the test fatally failed.
-  bool HasFatalFailure() const;
-
-  // Returns true if and only if the test has a non-fatal failure.
-  bool HasNonfatalFailure() const;
-
-  // Returns the elapsed time, in milliseconds.
-  TimeInMillis elapsed_time() const { return elapsed_time_; }
-
-  // Gets the time of the test case start, in ms from the start of the
-  // UNIX epoch.
-  TimeInMillis start_timestamp() const { return start_timestamp_; }
-
-  // Returns the i-th test part result among all the results. i can range from 0
-  // to total_part_count() - 1. If i is not in that range, aborts the program.
-  const TestPartResult& GetTestPartResult(int i) const;
-
-  // Returns the i-th test property. i can range from 0 to
-  // test_property_count() - 1. If i is not in that range, aborts the
-  // program.
-  const TestProperty& GetTestProperty(int i) const;
-
- private:
-  friend class TestInfo;
-  friend class TestSuite;
-  friend class UnitTest;
-  friend class internal::DefaultGlobalTestPartResultReporter;
-  friend class internal::ExecDeathTest;
-  friend class internal::TestResultAccessor;
-  friend class internal::UnitTestImpl;
-  friend class internal::WindowsDeathTest;
-  friend class internal::FuchsiaDeathTest;
-
-  // Gets the vector of TestPartResults.
-  const std::vector<TestPartResult>& test_part_results() const {
-    return test_part_results_;
-  }
-
-  // Gets the vector of TestProperties.
-  const std::vector<TestProperty>& test_properties() const {
-    return test_properties_;
-  }
-
-  // Sets the start time.
-  void set_start_timestamp(TimeInMillis start) { start_timestamp_ = start; }
-
-  // Sets the elapsed time.
-  void set_elapsed_time(TimeInMillis elapsed) { elapsed_time_ = elapsed; }
-
-  // Adds a test property to the list. The property is validated and may add
-  // a non-fatal failure if invalid (e.g., if it conflicts with reserved
-  // key names). If a property is already recorded for the same key, the
-  // value will be updated, rather than storing multiple values for the same
-  // key.  xml_element specifies the element for which the property is being
-  // recorded and is used for validation.
-  void RecordProperty(const std::string& xml_element,
-                      const TestProperty& test_property);
-
-  // Adds a failure if the key is a reserved attribute of Google Test
-  // testsuite tags.  Returns true if the property is valid.
-  // FIXME: Validate attribute names are legal and human readable.
-  static bool ValidateTestProperty(const std::string& xml_element,
-                                   const TestProperty& test_property);
-
-  // Adds a test part result to the list.
-  void AddTestPartResult(const TestPartResult& test_part_result);
-
-  // Returns the death test count.
-  int death_test_count() const { return death_test_count_; }
-
-  // Increments the death test count, returning the new count.
-  int increment_death_test_count() { return ++death_test_count_; }
-
-  // Clears the test part results.
-  void ClearTestPartResults();
-
-  // Clears the object.
-  void Clear();
-
-  // Protects mutable state of the property vector and of owned
-  // properties, whose values may be updated.
-  internal::Mutex test_properties_mutex_;
-
-  // The vector of TestPartResults
-  std::vector<TestPartResult> test_part_results_;
-  // The vector of TestProperties
-  std::vector<TestProperty> test_properties_;
-  // Running count of death tests.
-  int death_test_count_;
-  // The start time, in milliseconds since UNIX Epoch.
-  TimeInMillis start_timestamp_;
-  // The elapsed time, in milliseconds.
-  TimeInMillis elapsed_time_;
-
-  // We disallow copying TestResult.
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestResult);
-};  // class TestResult
-
-// A TestInfo object stores the following information about a test:
-//
-//   Test suite name
-//   Test name
-//   Whether the test should be run
-//   A function pointer that creates the test object when invoked
-//   Test result
-//
-// The constructor of TestInfo registers itself with the UnitTest
-// singleton such that the RUN_ALL_TESTS() macro knows which tests to
-// run.
-class GTEST_API_ TestInfo {
- public:
-  // Destructs a TestInfo object.  This function is not virtual, so
-  // don't inherit from TestInfo.
-  ~TestInfo();
-
-  // Returns the test suite name.
-  const char* test_suite_name() const { return test_suite_name_.c_str(); }
-
-// Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  const char* test_case_name() const { return test_suite_name(); }
-#endif  // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Returns the test name.
-  const char* name() const { return name_.c_str(); }
-
-  // Returns the name of the parameter type, or NULL if this is not a typed
-  // or a type-parameterized test.
-  const char* type_param() const {
-    if (type_param_.get() != nullptr) return type_param_->c_str();
-    return nullptr;
-  }
-
-  // Returns the text representation of the value parameter, or NULL if this
-  // is not a value-parameterized test.
-  const char* value_param() const {
-    if (value_param_.get() != nullptr) return value_param_->c_str();
-    return nullptr;
-  }
-
-  // Returns the file name where this test is defined.
-  const char* file() const { return location_.file.c_str(); }
-
-  // Returns the line where this test is defined.
-  int line() const { return location_.line; }
-
-  // Return true if this test should not be run because it's in another shard.
-  bool is_in_another_shard() const { return is_in_another_shard_; }
-
-  // Returns true if this test should run, that is if the test is not
-  // disabled (or it is disabled but the also_run_disabled_tests flag has
-  // been specified) and its full name matches the user-specified filter.
-  //
-  // Google Test allows the user to filter the tests by their full names.
-  // The full name of a test Bar in test suite Foo is defined as
-  // "Foo.Bar".  Only the tests that match the filter will run.
-  //
-  // A filter is a colon-separated list of glob (not regex) patterns,
-  // optionally followed by a '-' and a colon-separated list of
-  // negative patterns (tests to exclude).  A test is run if it
-  // matches one of the positive patterns and does not match any of
-  // the negative patterns.
-  //
-  // For example, *A*:Foo.* is a filter that matches any string that
-  // contains the character 'A' or starts with "Foo.".
-  bool should_run() const { return should_run_; }
-
-  // Returns true if and only if this test will appear in the XML report.
-  bool is_reportable() const {
-    // The XML report includes tests matching the filter, excluding those
-    // run in other shards.
-    return matches_filter_ && !is_in_another_shard_;
-  }
-
-  // Returns the result of the test.
-  const TestResult* result() const { return &result_; }
-
- private:
-#if GTEST_HAS_DEATH_TEST
-  friend class internal::DefaultDeathTestFactory;
-#endif  // GTEST_HAS_DEATH_TEST
-  friend class Test;
-  friend class TestSuite;
-  friend class internal::UnitTestImpl;
-  friend class internal::StreamingListenerTest;
-  friend TestInfo* internal::MakeAndRegisterTestInfo(
-      const char* test_suite_name, const char* name, const char* type_param,
-      const char* value_param, internal::CodeLocation code_location,
-      internal::TypeId fixture_class_id, internal::SetUpTestSuiteFunc set_up_tc,
-      internal::TearDownTestSuiteFunc tear_down_tc,
-      internal::TestFactoryBase* factory);
-
-  // Constructs a TestInfo object. The newly constructed instance assumes
-  // ownership of the factory object.
-  TestInfo(const std::string& test_suite_name, const std::string& name,
-           const char* a_type_param,   // NULL if not a type-parameterized test
-           const char* a_value_param,  // NULL if not a value-parameterized test
-           internal::CodeLocation a_code_location,
-           internal::TypeId fixture_class_id,
-           internal::TestFactoryBase* factory);
-
-  // Increments the number of death tests encountered in this test so
-  // far.
-  int increment_death_test_count() {
-    return result_.increment_death_test_count();
-  }
-
-  // Creates the test object, runs it, records its result, and then
-  // deletes it.
-  void Run();
-
-  // Skip and records the test result for this object.
-  void Skip();
-
-  static void ClearTestResult(TestInfo* test_info) {
-    test_info->result_.Clear();
-  }
-
-  // These fields are immutable properties of the test.
-  const std::string test_suite_name_;    // test suite name
-  const std::string name_;               // Test name
-  // Name of the parameter type, or NULL if this is not a typed or a
-  // type-parameterized test.
-  const std::unique_ptr<const ::std::string> type_param_;
-  // Text representation of the value parameter, or NULL if this is not a
-  // value-parameterized test.
-  const std::unique_ptr<const ::std::string> value_param_;
-  internal::CodeLocation location_;
-  const internal::TypeId fixture_class_id_;  // ID of the test fixture class
-  bool should_run_;           // True if and only if this test should run
-  bool is_disabled_;          // True if and only if this test is disabled
-  bool matches_filter_;       // True if this test matches the
-                              // user-specified filter.
-  bool is_in_another_shard_;  // Will be run in another shard.
-  internal::TestFactoryBase* const factory_;  // The factory that creates
-                                              // the test object
-
-  // This field is mutable and needs to be reset before running the
-  // test for the second time.
-  TestResult result_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestInfo);
-};
-
-// A test suite, which consists of a vector of TestInfos.
-//
-// TestSuite is not copyable.
-class GTEST_API_ TestSuite {
- public:
-  // Creates a TestSuite with the given name.
-  //
-  // TestSuite does NOT have a default constructor.  Always use this
-  // constructor to create a TestSuite object.
-  //
-  // Arguments:
-  //
-  //   name:         name of the test suite
-  //   a_type_param: the name of the test's type parameter, or NULL if
-  //                 this is not a type-parameterized test.
-  //   set_up_tc:    pointer to the function that sets up the test suite
-  //   tear_down_tc: pointer to the function that tears down the test suite
-  TestSuite(const char* name, const char* a_type_param,
-            internal::SetUpTestSuiteFunc set_up_tc,
-            internal::TearDownTestSuiteFunc tear_down_tc);
-
-  // Destructor of TestSuite.
-  virtual ~TestSuite();
-
-  // Gets the name of the TestSuite.
-  const char* name() const { return name_.c_str(); }
-
-  // Returns the name of the parameter type, or NULL if this is not a
-  // type-parameterized test suite.
-  const char* type_param() const {
-    if (type_param_.get() != nullptr) return type_param_->c_str();
-    return nullptr;
-  }
-
-  // Returns true if any test in this test suite should run.
-  bool should_run() const { return should_run_; }
-
-  // Gets the number of successful tests in this test suite.
-  int successful_test_count() const;
-
-  // Gets the number of skipped tests in this test suite.
-  int skipped_test_count() const;
-
-  // Gets the number of failed tests in this test suite.
-  int failed_test_count() const;
-
-  // Gets the number of disabled tests that will be reported in the XML report.
-  int reportable_disabled_test_count() const;
-
-  // Gets the number of disabled tests in this test suite.
-  int disabled_test_count() const;
-
-  // Gets the number of tests to be printed in the XML report.
-  int reportable_test_count() const;
-
-  // Get the number of tests in this test suite that should run.
-  int test_to_run_count() const;
-
-  // Gets the number of all tests in this test suite.
-  int total_test_count() const;
-
-  // Returns true if and only if the test suite passed.
-  bool Passed() const { return !Failed(); }
-
-  // Returns true if and only if the test suite failed.
-  bool Failed() const {
-    return failed_test_count() > 0 || ad_hoc_test_result().Failed();
-  }
-
-  // Returns the elapsed time, in milliseconds.
-  TimeInMillis elapsed_time() const { return elapsed_time_; }
-
-  // Gets the time of the test suite start, in ms from the start of the
-  // UNIX epoch.
-  TimeInMillis start_timestamp() const { return start_timestamp_; }
-
-  // Returns the i-th test among all the tests. i can range from 0 to
-  // total_test_count() - 1. If i is not in that range, returns NULL.
-  const TestInfo* GetTestInfo(int i) const;
-
-  // Returns the TestResult that holds test properties recorded during
-  // execution of SetUpTestSuite and TearDownTestSuite.
-  const TestResult& ad_hoc_test_result() const { return ad_hoc_test_result_; }
-
- private:
-  friend class Test;
-  friend class internal::UnitTestImpl;
-
-  // Gets the (mutable) vector of TestInfos in this TestSuite.
-  std::vector<TestInfo*>& test_info_list() { return test_info_list_; }
-
-  // Gets the (immutable) vector of TestInfos in this TestSuite.
-  const std::vector<TestInfo*>& test_info_list() const {
-    return test_info_list_;
-  }
-
-  // Returns the i-th test among all the tests. i can range from 0 to
-  // total_test_count() - 1. If i is not in that range, returns NULL.
-  TestInfo* GetMutableTestInfo(int i);
-
-  // Sets the should_run member.
-  void set_should_run(bool should) { should_run_ = should; }
-
-  // Adds a TestInfo to this test suite.  Will delete the TestInfo upon
-  // destruction of the TestSuite object.
-  void AddTestInfo(TestInfo * test_info);
-
-  // Clears the results of all tests in this test suite.
-  void ClearResult();
-
-  // Clears the results of all tests in the given test suite.
-  static void ClearTestSuiteResult(TestSuite* test_suite) {
-    test_suite->ClearResult();
-  }
-
-  // Runs every test in this TestSuite.
-  void Run();
-
-  // Skips the execution of tests under this TestSuite
-  void Skip();
-
-  // Runs SetUpTestSuite() for this TestSuite.  This wrapper is needed
-  // for catching exceptions thrown from SetUpTestSuite().
-  void RunSetUpTestSuite() {
-    if (set_up_tc_ != nullptr) {
-      (*set_up_tc_)();
-    }
-  }
-
-  // Runs TearDownTestSuite() for this TestSuite.  This wrapper is
-  // needed for catching exceptions thrown from TearDownTestSuite().
-  void RunTearDownTestSuite() {
-    if (tear_down_tc_ != nullptr) {
-      (*tear_down_tc_)();
-    }
-  }
-
-  // Returns true if and only if test passed.
-  static bool TestPassed(const TestInfo* test_info) {
-    return test_info->should_run() && test_info->result()->Passed();
-  }
-
-  // Returns true if and only if test skipped.
-  static bool TestSkipped(const TestInfo* test_info) {
-    return test_info->should_run() && test_info->result()->Skipped();
-  }
-
-  // Returns true if and only if test failed.
-  static bool TestFailed(const TestInfo* test_info) {
-    return test_info->should_run() && test_info->result()->Failed();
-  }
-
-  // Returns true if and only if the test is disabled and will be reported in
-  // the XML report.
-  static bool TestReportableDisabled(const TestInfo* test_info) {
-    return test_info->is_reportable() && test_info->is_disabled_;
-  }
-
-  // Returns true if and only if test is disabled.
-  static bool TestDisabled(const TestInfo* test_info) {
-    return test_info->is_disabled_;
-  }
-
-  // Returns true if and only if this test will appear in the XML report.
-  static bool TestReportable(const TestInfo* test_info) {
-    return test_info->is_reportable();
-  }
-
-  // Returns true if the given test should run.
-  static bool ShouldRunTest(const TestInfo* test_info) {
-    return test_info->should_run();
-  }
-
-  // Shuffles the tests in this test suite.
-  void ShuffleTests(internal::Random* random);
-
-  // Restores the test order to before the first shuffle.
-  void UnshuffleTests();
-
-  // Name of the test suite.
-  std::string name_;
-  // Name of the parameter type, or NULL if this is not a typed or a
-  // type-parameterized test.
-  const std::unique_ptr<const ::std::string> type_param_;
-  // The vector of TestInfos in their original order.  It owns the
-  // elements in the vector.
-  std::vector<TestInfo*> test_info_list_;
-  // Provides a level of indirection for the test list to allow easy
-  // shuffling and restoring the test order.  The i-th element in this
-  // vector is the index of the i-th test in the shuffled test list.
-  std::vector<int> test_indices_;
-  // Pointer to the function that sets up the test suite.
-  internal::SetUpTestSuiteFunc set_up_tc_;
-  // Pointer to the function that tears down the test suite.
-  internal::TearDownTestSuiteFunc tear_down_tc_;
-  // True if and only if any test in this test suite should run.
-  bool should_run_;
-  // The start time, in milliseconds since UNIX Epoch.
-  TimeInMillis start_timestamp_;
-  // Elapsed time, in milliseconds.
-  TimeInMillis elapsed_time_;
-  // Holds test properties recorded during execution of SetUpTestSuite and
-  // TearDownTestSuite.
-  TestResult ad_hoc_test_result_;
-
-  // We disallow copying TestSuites.
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestSuite);
-};
-
-// An Environment object is capable of setting up and tearing down an
-// environment.  You should subclass this to define your own
-// environment(s).
-//
-// An Environment object does the set-up and tear-down in virtual
-// methods SetUp() and TearDown() instead of the constructor and the
-// destructor, as:
-//
-//   1. You cannot safely throw from a destructor.  This is a problem
-//      as in some cases Google Test is used where exceptions are enabled, and
-//      we may want to implement ASSERT_* using exceptions where they are
-//      available.
-//   2. You cannot use ASSERT_* directly in a constructor or
-//      destructor.
-class Environment {
- public:
-  // The d'tor is virtual as we need to subclass Environment.
-  virtual ~Environment() {}
-
-  // Override this to define how to set up the environment.
-  virtual void SetUp() {}
-
-  // Override this to define how to tear down the environment.
-  virtual void TearDown() {}
- private:
-  // If you see an error about overriding the following function or
-  // about it being private, you have mis-spelled SetUp() as Setup().
-  struct Setup_should_be_spelled_SetUp {};
-  virtual Setup_should_be_spelled_SetUp* Setup() { return nullptr; }
-};
-
-#if GTEST_HAS_EXCEPTIONS
-
-// Exception which can be thrown from TestEventListener::OnTestPartResult.
-class GTEST_API_ AssertionException
-    : public internal::GoogleTestFailureException {
- public:
-  explicit AssertionException(const TestPartResult& result)
-      : GoogleTestFailureException(result) {}
-};
-
-#endif  // GTEST_HAS_EXCEPTIONS
-
-// The interface for tracing execution of tests. The methods are organized in
-// the order the corresponding events are fired.
-class TestEventListener {
- public:
-  virtual ~TestEventListener() {}
-
-  // Fired before any test activity starts.
-  virtual void OnTestProgramStart(const UnitTest& unit_test) = 0;
-
-  // Fired before each iteration of tests starts.  There may be more than
-  // one iteration if GTEST_FLAG(repeat) is set. iteration is the iteration
-  // index, starting from 0.
-  virtual void OnTestIterationStart(const UnitTest& unit_test,
-                                    int iteration) = 0;
-
-  // Fired before environment set-up for each iteration of tests starts.
-  virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test) = 0;
-
-  // Fired after environment set-up for each iteration of tests ends.
-  virtual void OnEnvironmentsSetUpEnd(const UnitTest& unit_test) = 0;
-
-  // Fired before the test suite starts.
-  virtual void OnTestSuiteStart(const TestSuite& /*test_suite*/) {}
-
-  //  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  virtual void OnTestCaseStart(const TestCase& /*test_case*/) {}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Fired before the test starts.
-  virtual void OnTestStart(const TestInfo& test_info) = 0;
-
-  // Fired after a failed assertion or a SUCCEED() invocation.
-  // If you want to throw an exception from this function to skip to the next
-  // TEST, it must be AssertionException defined above, or inherited from it.
-  virtual void OnTestPartResult(const TestPartResult& test_part_result) = 0;
-
-  // Fired after the test ends.
-  virtual void OnTestEnd(const TestInfo& test_info) = 0;
-
-  // Fired after the test suite ends.
-  virtual void OnTestSuiteEnd(const TestSuite& /*test_suite*/) {}
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  virtual void OnTestCaseEnd(const TestCase& /*test_case*/) {}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Fired before environment tear-down for each iteration of tests starts.
-  virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test) = 0;
-
-  // Fired after environment tear-down for each iteration of tests ends.
-  virtual void OnEnvironmentsTearDownEnd(const UnitTest& unit_test) = 0;
-
-  // Fired after each iteration of tests finishes.
-  virtual void OnTestIterationEnd(const UnitTest& unit_test,
-                                  int iteration) = 0;
-
-  // Fired after all test activities have ended.
-  virtual void OnTestProgramEnd(const UnitTest& unit_test) = 0;
-};
-
-// The convenience class for users who need to override just one or two
-// methods and are not concerned that a possible change to a signature of
-// the methods they override will not be caught during the build.  For
-// comments about each method please see the definition of TestEventListener
-// above.
-class EmptyTestEventListener : public TestEventListener {
- public:
-  void OnTestProgramStart(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationStart(const UnitTest& /*unit_test*/,
-                            int /*iteration*/) override {}
-  void OnEnvironmentsSetUpStart(const UnitTest& /*unit_test*/) override {}
-  void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) override {}
-  void OnTestSuiteStart(const TestSuite& /*test_suite*/) override {}
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseStart(const TestCase& /*test_case*/) override {}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  void OnTestStart(const TestInfo& /*test_info*/) override {}
-  void OnTestPartResult(const TestPartResult& /*test_part_result*/) override {}
-  void OnTestEnd(const TestInfo& /*test_info*/) override {}
-  void OnTestSuiteEnd(const TestSuite& /*test_suite*/) override {}
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  void OnTestCaseEnd(const TestCase& /*test_case*/) override {}
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  void OnEnvironmentsTearDownStart(const UnitTest& /*unit_test*/) override {}
-  void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) override {}
-  void OnTestIterationEnd(const UnitTest& /*unit_test*/,
-                          int /*iteration*/) override {}
-  void OnTestProgramEnd(const UnitTest& /*unit_test*/) override {}
-};
-
-// TestEventListeners lets users add listeners to track events in Google Test.
-class GTEST_API_ TestEventListeners {
- public:
-  TestEventListeners();
-  ~TestEventListeners();
-
-  // Appends an event listener to the end of the list. Google Test assumes
-  // the ownership of the listener (i.e. it will delete the listener when
-  // the test program finishes).
-  void Append(TestEventListener* listener);
-
-  // Removes the given event listener from the list and returns it.  It then
-  // becomes the caller's responsibility to delete the listener. Returns
-  // NULL if the listener is not found in the list.
-  TestEventListener* Release(TestEventListener* listener);
-
-  // Returns the standard listener responsible for the default console
-  // output.  Can be removed from the listeners list to shut down default
-  // console output.  Note that removing this object from the listener list
-  // with Release transfers its ownership to the caller and makes this
-  // function return NULL the next time.
-  TestEventListener* default_result_printer() const {
-    return default_result_printer_;
-  }
-
-  // Returns the standard listener responsible for the default XML output
-  // controlled by the --gtest_output=xml flag.  Can be removed from the
-  // listeners list by users who want to shut down the default XML output
-  // controlled by this flag and substitute it with custom one.  Note that
-  // removing this object from the listener list with Release transfers its
-  // ownership to the caller and makes this function return NULL the next
-  // time.
-  TestEventListener* default_xml_generator() const {
-    return default_xml_generator_;
-  }
-
- private:
-  friend class TestSuite;
-  friend class TestInfo;
-  friend class internal::DefaultGlobalTestPartResultReporter;
-  friend class internal::NoExecDeathTest;
-  friend class internal::TestEventListenersAccessor;
-  friend class internal::UnitTestImpl;
-
-  // Returns repeater that broadcasts the TestEventListener events to all
-  // subscribers.
-  TestEventListener* repeater();
-
-  // Sets the default_result_printer attribute to the provided listener.
-  // The listener is also added to the listener list and previous
-  // default_result_printer is removed from it and deleted. The listener can
-  // also be NULL in which case it will not be added to the list. Does
-  // nothing if the previous and the current listener objects are the same.
-  void SetDefaultResultPrinter(TestEventListener* listener);
-
-  // Sets the default_xml_generator attribute to the provided listener.  The
-  // listener is also added to the listener list and previous
-  // default_xml_generator is removed from it and deleted. The listener can
-  // also be NULL in which case it will not be added to the list. Does
-  // nothing if the previous and the current listener objects are the same.
-  void SetDefaultXmlGenerator(TestEventListener* listener);
-
-  // Controls whether events will be forwarded by the repeater to the
-  // listeners in the list.
-  bool EventForwardingEnabled() const;
-  void SuppressEventForwarding();
-
-  // The actual list of listeners.
-  internal::TestEventRepeater* repeater_;
-  // Listener responsible for the standard result output.
-  TestEventListener* default_result_printer_;
-  // Listener responsible for the creation of the XML output file.
-  TestEventListener* default_xml_generator_;
-
-  // We disallow copying TestEventListeners.
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestEventListeners);
-};
-
-// A UnitTest consists of a vector of TestSuites.
-//
-// This is a singleton class.  The only instance of UnitTest is
-// created when UnitTest::GetInstance() is first called.  This
-// instance is never deleted.
-//
-// UnitTest is not copyable.
-//
-// This class is thread-safe as long as the methods are called
-// according to their specification.
-class GTEST_API_ UnitTest {
- public:
-  // Gets the singleton UnitTest object.  The first time this method
-  // is called, a UnitTest object is constructed and returned.
-  // Consecutive calls will return the same object.
-  static UnitTest* GetInstance();
-
-  // Runs all tests in this UnitTest object and prints the result.
-  // Returns 0 if successful, or 1 otherwise.
-  //
-  // This method can only be called from the main thread.
-  //
-  // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-  int Run() GTEST_MUST_USE_RESULT_;
-
-  // Returns the working directory when the first TEST() or TEST_F()
-  // was executed.  The UnitTest object owns the string.
-  const char* original_working_dir() const;
-
-  // Returns the TestSuite object for the test that's currently running,
-  // or NULL if no test is running.
-  const TestSuite* current_test_suite() const GTEST_LOCK_EXCLUDED_(mutex_);
-
-// Legacy API is still available but deprecated
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  const TestCase* current_test_case() const GTEST_LOCK_EXCLUDED_(mutex_);
-#endif
-
-  // Returns the TestInfo object for the test that's currently running,
-  // or NULL if no test is running.
-  const TestInfo* current_test_info() const
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  // Returns the random seed used at the start of the current test run.
-  int random_seed() const;
-
-  // Returns the ParameterizedTestSuiteRegistry object used to keep track of
-  // value-parameterized tests and instantiate and register them.
-  //
-  // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-  internal::ParameterizedTestSuiteRegistry& parameterized_test_registry()
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  // Gets the number of successful test suites.
-  int successful_test_suite_count() const;
-
-  // Gets the number of failed test suites.
-  int failed_test_suite_count() const;
-
-  // Gets the number of all test suites.
-  int total_test_suite_count() const;
-
-  // Gets the number of all test suites that contain at least one test
-  // that should run.
-  int test_suite_to_run_count() const;
-
-  //  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  int successful_test_case_count() const;
-  int failed_test_case_count() const;
-  int total_test_case_count() const;
-  int test_case_to_run_count() const;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Gets the number of successful tests.
-  int successful_test_count() const;
-
-  // Gets the number of skipped tests.
-  int skipped_test_count() const;
-
-  // Gets the number of failed tests.
-  int failed_test_count() const;
-
-  // Gets the number of disabled tests that will be reported in the XML report.
-  int reportable_disabled_test_count() const;
-
-  // Gets the number of disabled tests.
-  int disabled_test_count() const;
-
-  // Gets the number of tests to be printed in the XML report.
-  int reportable_test_count() const;
-
-  // Gets the number of all tests.
-  int total_test_count() const;
-
-  // Gets the number of tests that should run.
-  int test_to_run_count() const;
-
-  // Gets the time of the test program start, in ms from the start of the
-  // UNIX epoch.
-  TimeInMillis start_timestamp() const;
-
-  // Gets the elapsed time, in milliseconds.
-  TimeInMillis elapsed_time() const;
-
-  // Returns true if and only if the unit test passed (i.e. all test suites
-  // passed).
-  bool Passed() const;
-
-  // Returns true if and only if the unit test failed (i.e. some test suite
-  // failed or something outside of all tests failed).
-  bool Failed() const;
-
-  // Gets the i-th test suite among all the test suites. i can range from 0 to
-  // total_test_suite_count() - 1. If i is not in that range, returns NULL.
-  const TestSuite* GetTestSuite(int i) const;
-
-//  Legacy API is deprecated but still available
-#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-  const TestCase* GetTestCase(int i) const;
-#endif  //  GTEST_REMOVE_LEGACY_TEST_CASEAPI_
-
-  // Returns the TestResult containing information on test failures and
-  // properties logged outside of individual test suites.
-  const TestResult& ad_hoc_test_result() const;
-
-  // Returns the list of event listeners that can be used to track events
-  // inside Google Test.
-  TestEventListeners& listeners();
-
- private:
-  // Registers and returns a global test environment.  When a test
-  // program is run, all global test environments will be set-up in
-  // the order they were registered.  After all tests in the program
-  // have finished, all global test environments will be torn-down in
-  // the *reverse* order they were registered.
-  //
-  // The UnitTest object takes ownership of the given environment.
-  //
-  // This method can only be called from the main thread.
-  Environment* AddEnvironment(Environment* env);
-
-  // Adds a TestPartResult to the current TestResult object.  All
-  // Google Test assertion macros (e.g. ASSERT_TRUE, EXPECT_EQ, etc)
-  // eventually call this to report their results.  The user code
-  // should use the assertion macros instead of calling this directly.
-  void AddTestPartResult(TestPartResult::Type result_type,
-                         const char* file_name,
-                         int line_number,
-                         const std::string& message,
-                         const std::string& os_stack_trace)
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  // Adds a TestProperty to the current TestResult object when invoked from
-  // inside a test, to current TestSuite's ad_hoc_test_result_ when invoked
-  // from SetUpTestSuite or TearDownTestSuite, or to the global property set
-  // when invoked elsewhere.  If the result already contains a property with
-  // the same key, the value will be updated.
-  void RecordProperty(const std::string& key, const std::string& value);
-
-  // Gets the i-th test suite among all the test suites. i can range from 0 to
-  // total_test_suite_count() - 1. If i is not in that range, returns NULL.
-  TestSuite* GetMutableTestSuite(int i);
-
-  // Accessors for the implementation object.
-  internal::UnitTestImpl* impl() { return impl_; }
-  const internal::UnitTestImpl* impl() const { return impl_; }
-
-  // These classes and functions are friends as they need to access private
-  // members of UnitTest.
-  friend class ScopedTrace;
-  friend class Test;
-  friend class internal::AssertHelper;
-  friend class internal::StreamingListenerTest;
-  friend class internal::UnitTestRecordPropertyTestHelper;
-  friend Environment* AddGlobalTestEnvironment(Environment* env);
-  friend std::set<std::string>* internal::GetIgnoredParameterizedTestSuites();
-  friend internal::UnitTestImpl* internal::GetUnitTestImpl();
-  friend void internal::ReportFailureInUnknownLocation(
-      TestPartResult::Type result_type,
-      const std::string& message);
-
-  // Creates an empty UnitTest.
-  UnitTest();
-
-  // D'tor
-  virtual ~UnitTest();
-
-  // Pushes a trace defined by SCOPED_TRACE() on to the per-thread
-  // Google Test trace stack.
-  void PushGTestTrace(const internal::TraceInfo& trace)
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  // Pops a trace from the per-thread Google Test trace stack.
-  void PopGTestTrace()
-      GTEST_LOCK_EXCLUDED_(mutex_);
-
-  // Protects mutable state in *impl_.  This is mutable as some const
-  // methods need to lock it too.
-  mutable internal::Mutex mutex_;
-
-  // Opaque implementation object.  This field is never changed once
-  // the object is constructed.  We don't mark it as const here, as
-  // doing so will cause a warning in the constructor of UnitTest.
-  // Mutable state in *impl_ is protected by mutex_.
-  internal::UnitTestImpl* impl_;
-
-  // We disallow copying UnitTest.
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(UnitTest);
-};
-
-// A convenient wrapper for adding an environment for the test
-// program.
-//
-// You should call this before RUN_ALL_TESTS() is called, probably in
-// main().  If you use gtest_main, you need to call this before main()
-// starts for it to take effect.  For example, you can define a global
-// variable like this:
-//
-//   testing::Environment* const foo_env =
-//       testing::AddGlobalTestEnvironment(new FooEnvironment);
-//
-// However, we strongly recommend you to write your own main() and
-// call AddGlobalTestEnvironment() there, as relying on initialization
-// of global variables makes the code harder to read and may cause
-// problems when you register multiple environments from different
-// translation units and the environments have dependencies among them
-// (remember that the compiler doesn't guarantee the order in which
-// global variables from different translation units are initialized).
-inline Environment* AddGlobalTestEnvironment(Environment* env) {
-  return UnitTest::GetInstance()->AddEnvironment(env);
-}
-
-// Initializes Google Test.  This must be called before calling
-// RUN_ALL_TESTS().  In particular, it parses a command line for the
-// flags that Google Test recognizes.  Whenever a Google Test flag is
-// seen, it is removed from argv, and *argc is decremented.
-//
-// No value is returned.  Instead, the Google Test flag variables are
-// updated.
-//
-// Calling the function for the second time has no user-visible effect.
-GTEST_API_ void InitGoogleTest(int* argc, char** argv);
-
-// This overloaded version can be used in Windows programs compiled in
-// UNICODE mode.
-GTEST_API_ void InitGoogleTest(int* argc, wchar_t** argv);
-
-// This overloaded version can be used on Arduino/embedded platforms where
-// there is no argc/argv.
-GTEST_API_ void InitGoogleTest();
-
-namespace internal {
-
-// Separate the error generating code from the code path to reduce the stack
-// frame size of CmpHelperEQ. This helps reduce the overhead of some sanitizers
-// when calling EXPECT_* in a tight loop.
-template <typename T1, typename T2>
-AssertionResult CmpHelperEQFailure(const char* lhs_expression,
-                                   const char* rhs_expression,
-                                   const T1& lhs, const T2& rhs) {
-  return EqFailure(lhs_expression,
-                   rhs_expression,
-                   FormatForComparisonFailureMessage(lhs, rhs),
-                   FormatForComparisonFailureMessage(rhs, lhs),
-                   false);
-}
-
-// This block of code defines operator==/!=
-// to block lexical scope lookup.
-// It prevents using invalid operator==/!= defined at namespace scope.
-struct faketype {};
-inline bool operator==(faketype, faketype) { return true; }
-inline bool operator!=(faketype, faketype) { return false; }
-
-// The helper function for {ASSERT|EXPECT}_EQ.
-template <typename T1, typename T2>
-AssertionResult CmpHelperEQ(const char* lhs_expression,
-                            const char* rhs_expression,
-                            const T1& lhs,
-                            const T2& rhs) {
-  if (lhs == rhs) {
-    return AssertionSuccess();
-  }
-
-  return CmpHelperEQFailure(lhs_expression, rhs_expression, lhs, rhs);
-}
-
-class EqHelper {
- public:
-  // This templatized version is for the general case.
-  template <
-      typename T1, typename T2,
-      // Disable this overload for cases where one argument is a pointer
-      // and the other is the null pointer constant.
-      typename std::enable_if<!std::is_integral<T1>::value ||
-                              !std::is_pointer<T2>::value>::type* = nullptr>
-  static AssertionResult Compare(const char* lhs_expression,
-                                 const char* rhs_expression, const T1& lhs,
-                                 const T2& rhs) {
-    return CmpHelperEQ(lhs_expression, rhs_expression, lhs, rhs);
-  }
-
-  // With this overloaded version, we allow anonymous enums to be used
-  // in {ASSERT|EXPECT}_EQ when compiled with gcc 4, as anonymous
-  // enums can be implicitly cast to BiggestInt.
-  //
-  // Even though its body looks the same as the above version, we
-  // cannot merge the two, as it will make anonymous enums unhappy.
-  static AssertionResult Compare(const char* lhs_expression,
-                                 const char* rhs_expression,
-                                 BiggestInt lhs,
-                                 BiggestInt rhs) {
-    return CmpHelperEQ(lhs_expression, rhs_expression, lhs, rhs);
-  }
-
-  template <typename T>
-  static AssertionResult Compare(
-      const char* lhs_expression, const char* rhs_expression,
-      // Handle cases where '0' is used as a null pointer literal.
-      std::nullptr_t /* lhs */, T* rhs) {
-    // We already know that 'lhs' is a null pointer.
-    return CmpHelperEQ(lhs_expression, rhs_expression, static_cast<T*>(nullptr),
-                       rhs);
-  }
-};
-
-// Separate the error generating code from the code path to reduce the stack
-// frame size of CmpHelperOP. This helps reduce the overhead of some sanitizers
-// when calling EXPECT_OP in a tight loop.
-template <typename T1, typename T2>
-AssertionResult CmpHelperOpFailure(const char* expr1, const char* expr2,
-                                   const T1& val1, const T2& val2,
-                                   const char* op) {
-  return AssertionFailure()
-         << "Expected: (" << expr1 << ") " << op << " (" << expr2
-         << "), actual: " << FormatForComparisonFailureMessage(val1, val2)
-         << " vs " << FormatForComparisonFailureMessage(val2, val1);
-}
-
-// A macro for implementing the helper functions needed to implement
-// ASSERT_?? and EXPECT_??.  It is here just to avoid copy-and-paste
-// of similar code.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-
-#define GTEST_IMPL_CMP_HELPER_(op_name, op)\
-template <typename T1, typename T2>\
-AssertionResult CmpHelper##op_name(const char* expr1, const char* expr2, \
-                                   const T1& val1, const T2& val2) {\
-  if (val1 op val2) {\
-    return AssertionSuccess();\
-  } else {\
-    return CmpHelperOpFailure(expr1, expr2, val1, val2, #op);\
-  }\
-}
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-
-// Implements the helper function for {ASSERT|EXPECT}_NE
-GTEST_IMPL_CMP_HELPER_(NE, !=)
-// Implements the helper function for {ASSERT|EXPECT}_LE
-GTEST_IMPL_CMP_HELPER_(LE, <=)
-// Implements the helper function for {ASSERT|EXPECT}_LT
-GTEST_IMPL_CMP_HELPER_(LT, <)
-// Implements the helper function for {ASSERT|EXPECT}_GE
-GTEST_IMPL_CMP_HELPER_(GE, >=)
-// Implements the helper function for {ASSERT|EXPECT}_GT
-GTEST_IMPL_CMP_HELPER_(GT, >)
-
-#undef GTEST_IMPL_CMP_HELPER_
-
-// The helper function for {ASSERT|EXPECT}_STREQ.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTREQ(const char* s1_expression,
-                                          const char* s2_expression,
-                                          const char* s1,
-                                          const char* s2);
-
-// The helper function for {ASSERT|EXPECT}_STRCASEEQ.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTRCASEEQ(const char* s1_expression,
-                                              const char* s2_expression,
-                                              const char* s1,
-                                              const char* s2);
-
-// The helper function for {ASSERT|EXPECT}_STRNE.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTRNE(const char* s1_expression,
-                                          const char* s2_expression,
-                                          const char* s1,
-                                          const char* s2);
-
-// The helper function for {ASSERT|EXPECT}_STRCASENE.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTRCASENE(const char* s1_expression,
-                                              const char* s2_expression,
-                                              const char* s1,
-                                              const char* s2);
-
-
-// Helper function for *_STREQ on wide strings.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTREQ(const char* s1_expression,
-                                          const char* s2_expression,
-                                          const wchar_t* s1,
-                                          const wchar_t* s2);
-
-// Helper function for *_STRNE on wide strings.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult CmpHelperSTRNE(const char* s1_expression,
-                                          const char* s2_expression,
-                                          const wchar_t* s1,
-                                          const wchar_t* s2);
-
-}  // namespace internal
-
-// IsSubstring() and IsNotSubstring() are intended to be used as the
-// first argument to {EXPECT,ASSERT}_PRED_FORMAT2(), not by
-// themselves.  They check whether needle is a substring of haystack
-// (NULL is considered a substring of itself only), and return an
-// appropriate error message when they fail.
-//
-// The {needle,haystack}_expr arguments are the stringified
-// expressions that generated the two real arguments.
-GTEST_API_ AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const char* needle, const char* haystack);
-GTEST_API_ AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const wchar_t* needle, const wchar_t* haystack);
-GTEST_API_ AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const char* needle, const char* haystack);
-GTEST_API_ AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const wchar_t* needle, const wchar_t* haystack);
-GTEST_API_ AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::string& needle, const ::std::string& haystack);
-GTEST_API_ AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::string& needle, const ::std::string& haystack);
-
-#if GTEST_HAS_STD_WSTRING
-GTEST_API_ AssertionResult IsSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::wstring& needle, const ::std::wstring& haystack);
-GTEST_API_ AssertionResult IsNotSubstring(
-    const char* needle_expr, const char* haystack_expr,
-    const ::std::wstring& needle, const ::std::wstring& haystack);
-#endif  // GTEST_HAS_STD_WSTRING
-
-namespace internal {
-
-// Helper template function for comparing floating-points.
-//
-// Template parameter:
-//
-//   RawType: the raw floating-point type (either float or double)
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-template <typename RawType>
-AssertionResult CmpHelperFloatingPointEQ(const char* lhs_expression,
-                                         const char* rhs_expression,
-                                         RawType lhs_value,
-                                         RawType rhs_value) {
-  const FloatingPoint<RawType> lhs(lhs_value), rhs(rhs_value);
-
-  if (lhs.AlmostEquals(rhs)) {
-    return AssertionSuccess();
-  }
-
-  ::std::stringstream lhs_ss;
-  lhs_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
-         << lhs_value;
-
-  ::std::stringstream rhs_ss;
-  rhs_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
-         << rhs_value;
-
-  return EqFailure(lhs_expression,
-                   rhs_expression,
-                   StringStreamToString(&lhs_ss),
-                   StringStreamToString(&rhs_ss),
-                   false);
-}
-
-// Helper function for implementing ASSERT_NEAR.
-//
-// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
-GTEST_API_ AssertionResult DoubleNearPredFormat(const char* expr1,
-                                                const char* expr2,
-                                                const char* abs_error_expr,
-                                                double val1,
-                                                double val2,
-                                                double abs_error);
-
-// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
-// A class that enables one to stream messages to assertion macros
-class GTEST_API_ AssertHelper {
- public:
-  // Constructor.
-  AssertHelper(TestPartResult::Type type,
-               const char* file,
-               int line,
-               const char* message);
-  ~AssertHelper();
-
-  // Message assignment is a semantic trick to enable assertion
-  // streaming; see the GTEST_MESSAGE_ macro below.
-  void operator=(const Message& message) const;
-
- private:
-  // We put our data in a struct so that the size of the AssertHelper class can
-  // be as small as possible.  This is important because gcc is incapable of
-  // re-using stack space even for temporary variables, so every EXPECT_EQ
-  // reserves stack space for another AssertHelper.
-  struct AssertHelperData {
-    AssertHelperData(TestPartResult::Type t,
-                     const char* srcfile,
-                     int line_num,
-                     const char* msg)
-        : type(t), file(srcfile), line(line_num), message(msg) { }
-
-    TestPartResult::Type const type;
-    const char* const file;
-    int const line;
-    std::string const message;
-
-   private:
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(AssertHelperData);
-  };
-
-  AssertHelperData* const data_;
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(AssertHelper);
-};
-
-}  // namespace internal
-
-// The pure interface class that all value-parameterized tests inherit from.
-// A value-parameterized class must inherit from both ::testing::Test and
-// ::testing::WithParamInterface. In most cases that just means inheriting
-// from ::testing::TestWithParam, but more complicated test hierarchies
-// may need to inherit from Test and WithParamInterface at different levels.
-//
-// This interface has support for accessing the test parameter value via
-// the GetParam() method.
-//
-// Use it with one of the parameter generator defining functions, like Range(),
-// Values(), ValuesIn(), Bool(), and Combine().
-//
-// class FooTest : public ::testing::TestWithParam<int> {
-//  protected:
-//   FooTest() {
-//     // Can use GetParam() here.
-//   }
-//   ~FooTest() override {
-//     // Can use GetParam() here.
-//   }
-//   void SetUp() override {
-//     // Can use GetParam() here.
-//   }
-//   void TearDown override {
-//     // Can use GetParam() here.
-//   }
-// };
-// TEST_P(FooTest, DoesBar) {
-//   // Can use GetParam() method here.
-//   Foo foo;
-//   ASSERT_TRUE(foo.DoesBar(GetParam()));
-// }
-// INSTANTIATE_TEST_SUITE_P(OneToTenRange, FooTest, ::testing::Range(1, 10));
-
-template <typename T>
-class WithParamInterface {
- public:
-  typedef T ParamType;
-  virtual ~WithParamInterface() {}
-
-  // The current parameter value. Is also available in the test fixture's
-  // constructor.
-  static const ParamType& GetParam() {
-    GTEST_CHECK_(parameter_ != nullptr)
-        << "GetParam() can only be called inside a value-parameterized test "
-        << "-- did you intend to write TEST_P instead of TEST_F?";
-    return *parameter_;
-  }
-
- private:
-  // Sets parameter value. The caller is responsible for making sure the value
-  // remains alive and unchanged throughout the current test.
-  static void SetParam(const ParamType* parameter) {
-    parameter_ = parameter;
-  }
-
-  // Static value used for accessing parameter during a test lifetime.
-  static const ParamType* parameter_;
-
-  // TestClass must be a subclass of WithParamInterface<T> and Test.
-  template <class TestClass> friend class internal::ParameterizedTestFactory;
-};
-
-template <typename T>
-const T* WithParamInterface<T>::parameter_ = nullptr;
-
-// Most value-parameterized classes can ignore the existence of
-// WithParamInterface, and can just inherit from ::testing::TestWithParam.
-
-template <typename T>
-class TestWithParam : public Test, public WithParamInterface<T> {
-};
-
-// Macros for indicating success/failure in test code.
-
-// Skips test in runtime.
-// Skipping test aborts current function.
-// Skipped tests are neither successful nor failed.
-#define GTEST_SKIP() GTEST_SKIP_("")
-
-// ADD_FAILURE unconditionally adds a failure to the current test.
-// SUCCEED generates a success - it doesn't automatically make the
-// current test successful, as a test is only successful when it has
-// no failure.
-//
-// EXPECT_* verifies that a certain condition is satisfied.  If not,
-// it behaves like ADD_FAILURE.  In particular:
-//
-//   EXPECT_TRUE  verifies that a Boolean condition is true.
-//   EXPECT_FALSE verifies that a Boolean condition is false.
-//
-// FAIL and ASSERT_* are similar to ADD_FAILURE and EXPECT_*, except
-// that they will also abort the current function on failure.  People
-// usually want the fail-fast behavior of FAIL and ASSERT_*, but those
-// writing data-driven tests often find themselves using ADD_FAILURE
-// and EXPECT_* more.
-
-// Generates a nonfatal failure with a generic message.
-#define ADD_FAILURE() GTEST_NONFATAL_FAILURE_("Failed")
-
-// Generates a nonfatal failure at the given source file location with
-// a generic message.
-#define ADD_FAILURE_AT(file, line) \
-  GTEST_MESSAGE_AT_(file, line, "Failed", \
-                    ::testing::TestPartResult::kNonFatalFailure)
-
-// Generates a fatal failure with a generic message.
-#define GTEST_FAIL() GTEST_FATAL_FAILURE_("Failed")
-
-// Like GTEST_FAIL(), but at the given source file location.
-#define GTEST_FAIL_AT(file, line)         \
-  GTEST_MESSAGE_AT_(file, line, "Failed", \
-                    ::testing::TestPartResult::kFatalFailure)
-
-// Define this macro to 1 to omit the definition of FAIL(), which is a
-// generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_FAIL
-# define FAIL() GTEST_FAIL()
-#endif
-
-// Generates a success with a generic message.
-#define GTEST_SUCCEED() GTEST_SUCCESS_("Succeeded")
-
-// Define this macro to 1 to omit the definition of SUCCEED(), which
-// is a generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_SUCCEED
-# define SUCCEED() GTEST_SUCCEED()
-#endif
-
-// Macros for testing exceptions.
-//
-//    * {ASSERT|EXPECT}_THROW(statement, expected_exception):
-//         Tests that the statement throws the expected exception.
-//    * {ASSERT|EXPECT}_NO_THROW(statement):
-//         Tests that the statement doesn't throw any exception.
-//    * {ASSERT|EXPECT}_ANY_THROW(statement):
-//         Tests that the statement throws an exception.
-
-#define EXPECT_THROW(statement, expected_exception) \
-  GTEST_TEST_THROW_(statement, expected_exception, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_NO_THROW(statement) \
-  GTEST_TEST_NO_THROW_(statement, GTEST_NONFATAL_FAILURE_)
-#define EXPECT_ANY_THROW(statement) \
-  GTEST_TEST_ANY_THROW_(statement, GTEST_NONFATAL_FAILURE_)
-#define ASSERT_THROW(statement, expected_exception) \
-  GTEST_TEST_THROW_(statement, expected_exception, GTEST_FATAL_FAILURE_)
-#define ASSERT_NO_THROW(statement) \
-  GTEST_TEST_NO_THROW_(statement, GTEST_FATAL_FAILURE_)
-#define ASSERT_ANY_THROW(statement) \
-  GTEST_TEST_ANY_THROW_(statement, GTEST_FATAL_FAILURE_)
-
-// Boolean assertions. Condition can be either a Boolean expression or an
-// AssertionResult. For more information on how to use AssertionResult with
-// these macros see comments on that class.
-#define GTEST_EXPECT_TRUE(condition) \
-  GTEST_TEST_BOOLEAN_(condition, #condition, false, true, \
-                      GTEST_NONFATAL_FAILURE_)
-#define GTEST_EXPECT_FALSE(condition) \
-  GTEST_TEST_BOOLEAN_(!(condition), #condition, true, false, \
-                      GTEST_NONFATAL_FAILURE_)
-#define GTEST_ASSERT_TRUE(condition) \
-  GTEST_TEST_BOOLEAN_(condition, #condition, false, true, \
-                      GTEST_FATAL_FAILURE_)
-#define GTEST_ASSERT_FALSE(condition) \
-  GTEST_TEST_BOOLEAN_(!(condition), #condition, true, false, \
-                      GTEST_FATAL_FAILURE_)
-
-// Define these macros to 1 to omit the definition of the corresponding
-// EXPECT or ASSERT, which clashes with some users' own code.
-
-#if !GTEST_DONT_DEFINE_EXPECT_TRUE
-#define EXPECT_TRUE(condition) GTEST_EXPECT_TRUE(condition)
-#endif
-
-#if !GTEST_DONT_DEFINE_EXPECT_FALSE
-#define EXPECT_FALSE(condition) GTEST_EXPECT_FALSE(condition)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_TRUE
-#define ASSERT_TRUE(condition) GTEST_ASSERT_TRUE(condition)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_FALSE
-#define ASSERT_FALSE(condition) GTEST_ASSERT_FALSE(condition)
-#endif
-
-// Macros for testing equalities and inequalities.
-//
-//    * {ASSERT|EXPECT}_EQ(v1, v2): Tests that v1 == v2
-//    * {ASSERT|EXPECT}_NE(v1, v2): Tests that v1 != v2
-//    * {ASSERT|EXPECT}_LT(v1, v2): Tests that v1 < v2
-//    * {ASSERT|EXPECT}_LE(v1, v2): Tests that v1 <= v2
-//    * {ASSERT|EXPECT}_GT(v1, v2): Tests that v1 > v2
-//    * {ASSERT|EXPECT}_GE(v1, v2): Tests that v1 >= v2
-//
-// When they are not, Google Test prints both the tested expressions and
-// their actual values.  The values must be compatible built-in types,
-// or you will get a compiler error.  By "compatible" we mean that the
-// values can be compared by the respective operator.
-//
-// Note:
-//
-//   1. It is possible to make a user-defined type work with
-//   {ASSERT|EXPECT}_??(), but that requires overloading the
-//   comparison operators and is thus discouraged by the Google C++
-//   Usage Guide.  Therefore, you are advised to use the
-//   {ASSERT|EXPECT}_TRUE() macro to assert that two objects are
-//   equal.
-//
-//   2. The {ASSERT|EXPECT}_??() macros do pointer comparisons on
-//   pointers (in particular, C strings).  Therefore, if you use it
-//   with two C strings, you are testing how their locations in memory
-//   are related, not how their content is related.  To compare two C
-//   strings by content, use {ASSERT|EXPECT}_STR*().
-//
-//   3. {ASSERT|EXPECT}_EQ(v1, v2) is preferred to
-//   {ASSERT|EXPECT}_TRUE(v1 == v2), as the former tells you
-//   what the actual value is when it fails, and similarly for the
-//   other comparisons.
-//
-//   4. Do not depend on the order in which {ASSERT|EXPECT}_??()
-//   evaluate their arguments, which is undefined.
-//
-//   5. These macros evaluate their arguments exactly once.
-//
-// Examples:
-//
-//   EXPECT_NE(Foo(), 5);
-//   EXPECT_EQ(a_pointer, NULL);
-//   ASSERT_LT(i, array_size);
-//   ASSERT_GT(records.size(), 0) << "There is no record left.";
-
-#define EXPECT_EQ(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::EqHelper::Compare, val1, val2)
-#define EXPECT_NE(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperNE, val1, val2)
-#define EXPECT_LE(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperLE, val1, val2)
-#define EXPECT_LT(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperLT, val1, val2)
-#define EXPECT_GE(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperGE, val1, val2)
-#define EXPECT_GT(val1, val2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperGT, val1, val2)
-
-#define GTEST_ASSERT_EQ(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::EqHelper::Compare, val1, val2)
-#define GTEST_ASSERT_NE(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperNE, val1, val2)
-#define GTEST_ASSERT_LE(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperLE, val1, val2)
-#define GTEST_ASSERT_LT(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperLT, val1, val2)
-#define GTEST_ASSERT_GE(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperGE, val1, val2)
-#define GTEST_ASSERT_GT(val1, val2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperGT, val1, val2)
-
-// Define macro GTEST_DONT_DEFINE_ASSERT_XY to 1 to omit the definition of
-// ASSERT_XY(), which clashes with some users' own code.
-
-#if !GTEST_DONT_DEFINE_ASSERT_EQ
-# define ASSERT_EQ(val1, val2) GTEST_ASSERT_EQ(val1, val2)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_NE
-# define ASSERT_NE(val1, val2) GTEST_ASSERT_NE(val1, val2)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_LE
-# define ASSERT_LE(val1, val2) GTEST_ASSERT_LE(val1, val2)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_LT
-# define ASSERT_LT(val1, val2) GTEST_ASSERT_LT(val1, val2)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_GE
-# define ASSERT_GE(val1, val2) GTEST_ASSERT_GE(val1, val2)
-#endif
-
-#if !GTEST_DONT_DEFINE_ASSERT_GT
-# define ASSERT_GT(val1, val2) GTEST_ASSERT_GT(val1, val2)
-#endif
-
-// C-string Comparisons.  All tests treat NULL and any non-NULL string
-// as different.  Two NULLs are equal.
-//
-//    * {ASSERT|EXPECT}_STREQ(s1, s2):     Tests that s1 == s2
-//    * {ASSERT|EXPECT}_STRNE(s1, s2):     Tests that s1 != s2
-//    * {ASSERT|EXPECT}_STRCASEEQ(s1, s2): Tests that s1 == s2, ignoring case
-//    * {ASSERT|EXPECT}_STRCASENE(s1, s2): Tests that s1 != s2, ignoring case
-//
-// For wide or narrow string objects, you can use the
-// {ASSERT|EXPECT}_??() macros.
-//
-// Don't depend on the order in which the arguments are evaluated,
-// which is undefined.
-//
-// These macros evaluate their arguments exactly once.
-
-#define EXPECT_STREQ(s1, s2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTREQ, s1, s2)
-#define EXPECT_STRNE(s1, s2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRNE, s1, s2)
-#define EXPECT_STRCASEEQ(s1, s2) \
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASEEQ, s1, s2)
-#define EXPECT_STRCASENE(s1, s2)\
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASENE, s1, s2)
-
-#define ASSERT_STREQ(s1, s2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperSTREQ, s1, s2)
-#define ASSERT_STRNE(s1, s2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperSTRNE, s1, s2)
-#define ASSERT_STRCASEEQ(s1, s2) \
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASEEQ, s1, s2)
-#define ASSERT_STRCASENE(s1, s2)\
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASENE, s1, s2)
-
-// Macros for comparing floating-point numbers.
-//
-//    * {ASSERT|EXPECT}_FLOAT_EQ(val1, val2):
-//         Tests that two float values are almost equal.
-//    * {ASSERT|EXPECT}_DOUBLE_EQ(val1, val2):
-//         Tests that two double values are almost equal.
-//    * {ASSERT|EXPECT}_NEAR(v1, v2, abs_error):
-//         Tests that v1 and v2 are within the given distance to each other.
-//
-// Google Test uses ULP-based comparison to automatically pick a default
-// error bound that is appropriate for the operands.  See the
-// FloatingPoint template class in gtest-internal.h if you are
-// interested in the implementation details.
-
-#define EXPECT_FLOAT_EQ(val1, val2)\
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperFloatingPointEQ<float>, \
-                      val1, val2)
-
-#define EXPECT_DOUBLE_EQ(val1, val2)\
-  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperFloatingPointEQ<double>, \
-                      val1, val2)
-
-#define ASSERT_FLOAT_EQ(val1, val2)\
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperFloatingPointEQ<float>, \
-                      val1, val2)
-
-#define ASSERT_DOUBLE_EQ(val1, val2)\
-  ASSERT_PRED_FORMAT2(::testing::internal::CmpHelperFloatingPointEQ<double>, \
-                      val1, val2)
-
-#define EXPECT_NEAR(val1, val2, abs_error)\
-  EXPECT_PRED_FORMAT3(::testing::internal::DoubleNearPredFormat, \
-                      val1, val2, abs_error)
-
-#define ASSERT_NEAR(val1, val2, abs_error)\
-  ASSERT_PRED_FORMAT3(::testing::internal::DoubleNearPredFormat, \
-                      val1, val2, abs_error)
-
-// These predicate format functions work on floating-point values, and
-// can be used in {ASSERT|EXPECT}_PRED_FORMAT2*(), e.g.
-//
-//   EXPECT_PRED_FORMAT2(testing::DoubleLE, Foo(), 5.0);
-
-// Asserts that val1 is less than, or almost equal to, val2.  Fails
-// otherwise.  In particular, it fails if either val1 or val2 is NaN.
-GTEST_API_ AssertionResult FloatLE(const char* expr1, const char* expr2,
-                                   float val1, float val2);
-GTEST_API_ AssertionResult DoubleLE(const char* expr1, const char* expr2,
-                                    double val1, double val2);
-
-
-#if GTEST_OS_WINDOWS
-
-// Macros that test for HRESULT failure and success, these are only useful
-// on Windows, and rely on Windows SDK macros and APIs to compile.
-//
-//    * {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED}(expr)
-//
-// When expr unexpectedly fails or succeeds, Google Test prints the
-// expected result and the actual result with both a human-readable
-// string representation of the error, if available, as well as the
-// hex result code.
-# define EXPECT_HRESULT_SUCCEEDED(expr) \
-    EXPECT_PRED_FORMAT1(::testing::internal::IsHRESULTSuccess, (expr))
-
-# define ASSERT_HRESULT_SUCCEEDED(expr) \
-    ASSERT_PRED_FORMAT1(::testing::internal::IsHRESULTSuccess, (expr))
-
-# define EXPECT_HRESULT_FAILED(expr) \
-    EXPECT_PRED_FORMAT1(::testing::internal::IsHRESULTFailure, (expr))
-
-# define ASSERT_HRESULT_FAILED(expr) \
-    ASSERT_PRED_FORMAT1(::testing::internal::IsHRESULTFailure, (expr))
-
-#endif  // GTEST_OS_WINDOWS
-
-// Macros that execute statement and check that it doesn't generate new fatal
-// failures in the current thread.
-//
-//   * {ASSERT|EXPECT}_NO_FATAL_FAILURE(statement);
-//
-// Examples:
-//
-//   EXPECT_NO_FATAL_FAILURE(Process());
-//   ASSERT_NO_FATAL_FAILURE(Process()) << "Process() failed";
-//
-#define ASSERT_NO_FATAL_FAILURE(statement) \
-    GTEST_TEST_NO_FATAL_FAILURE_(statement, GTEST_FATAL_FAILURE_)
-#define EXPECT_NO_FATAL_FAILURE(statement) \
-    GTEST_TEST_NO_FATAL_FAILURE_(statement, GTEST_NONFATAL_FAILURE_)
-
-// Causes a trace (including the given source file path and line number,
-// and the given message) to be included in every test failure message generated
-// by code in the scope of the lifetime of an instance of this class. The effect
-// is undone with the destruction of the instance.
-//
-// The message argument can be anything streamable to std::ostream.
-//
-// Example:
-//   testing::ScopedTrace trace("file.cc", 123, "message");
-//
-class GTEST_API_ ScopedTrace {
- public:
-  // The c'tor pushes the given source file location and message onto
-  // a trace stack maintained by Google Test.
-
-  // Template version. Uses Message() to convert the values into strings.
-  // Slow, but flexible.
-  template <typename T>
-  ScopedTrace(const char* file, int line, const T& message) {
-    PushTrace(file, line, (Message() << message).GetString());
-  }
-
-  // Optimize for some known types.
-  ScopedTrace(const char* file, int line, const char* message) {
-    PushTrace(file, line, message ? message : "(null)");
-  }
-
-  ScopedTrace(const char* file, int line, const std::string& message) {
-    PushTrace(file, line, message);
-  }
-
-  // The d'tor pops the info pushed by the c'tor.
-  //
-  // Note that the d'tor is not virtual in order to be efficient.
-  // Don't inherit from ScopedTrace!
-  ~ScopedTrace();
-
- private:
-  void PushTrace(const char* file, int line, std::string message);
-
-  GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace);
-} GTEST_ATTRIBUTE_UNUSED_;  // A ScopedTrace object does its job in its
-                            // c'tor and d'tor.  Therefore it doesn't
-                            // need to be used otherwise.
-
-// Causes a trace (including the source file path, the current line
-// number, and the given message) to be included in every test failure
-// message generated by code in the current scope.  The effect is
-// undone when the control leaves the current scope.
-//
-// The message argument can be anything streamable to std::ostream.
-//
-// In the implementation, we include the current line number as part
-// of the dummy variable name, thus allowing multiple SCOPED_TRACE()s
-// to appear in the same block - as long as they are on different
-// lines.
-//
-// Assuming that each thread maintains its own stack of traces.
-// Therefore, a SCOPED_TRACE() would (correctly) only affect the
-// assertions in its own thread.
-#define SCOPED_TRACE(message) \
-  ::testing::ScopedTrace GTEST_CONCAT_TOKEN_(gtest_trace_, __LINE__)(\
-    __FILE__, __LINE__, (message))
-
-// Compile-time assertion for type equality.
-// StaticAssertTypeEq<type1, type2>() compiles if and only if type1 and type2
-// are the same type.  The value it returns is not interesting.
-//
-// Instead of making StaticAssertTypeEq a class template, we make it a
-// function template that invokes a helper class template.  This
-// prevents a user from misusing StaticAssertTypeEq<T1, T2> by
-// defining objects of that type.
-//
-// CAVEAT:
-//
-// When used inside a method of a class template,
-// StaticAssertTypeEq<T1, T2>() is effective ONLY IF the method is
-// instantiated.  For example, given:
-//
-//   template <typename T> class Foo {
-//    public:
-//     void Bar() { testing::StaticAssertTypeEq<int, T>(); }
-//   };
-//
-// the code:
-//
-//   void Test1() { Foo<bool> foo; }
-//
-// will NOT generate a compiler error, as Foo<bool>::Bar() is never
-// actually instantiated.  Instead, you need:
-//
-//   void Test2() { Foo<bool> foo; foo.Bar(); }
-//
-// to cause a compiler error.
-template <typename T1, typename T2>
-constexpr bool StaticAssertTypeEq() noexcept {
-  static_assert(std::is_same<T1, T2>::value, "T1 and T2 are not the same type");
-  return true;
-}
-
-// Defines a test.
-//
-// The first parameter is the name of the test suite, and the second
-// parameter is the name of the test within the test suite.
-//
-// The convention is to end the test suite name with "Test".  For
-// example, a test suite for the Foo class can be named FooTest.
-//
-// Test code should appear between braces after an invocation of
-// this macro.  Example:
-//
-//   TEST(FooTest, InitializesCorrectly) {
-//     Foo foo;
-//     EXPECT_TRUE(foo.StatusIsOK());
-//   }
-
-// Note that we call GetTestTypeId() instead of GetTypeId<
-// ::testing::Test>() here to get the type ID of testing::Test.  This
-// is to work around a suspected linker bug when using Google Test as
-// a framework on Mac OS X.  The bug causes GetTypeId<
-// ::testing::Test>() to return different values depending on whether
-// the call is from the Google Test framework itself or from user test
-// code.  GetTestTypeId() is guaranteed to always return the same
-// value, as it always calls GetTypeId<>() from the Google Test
-// framework.
-#define GTEST_TEST(test_suite_name, test_name)             \
-  GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
-              ::testing::internal::GetTestTypeId())
-
-// Define this macro to 1 to omit the definition of TEST(), which
-// is a generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_TEST
-#define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
-#endif
-
-// Defines a test that uses a test fixture.
-//
-// The first parameter is the name of the test fixture class, which
-// also doubles as the test suite name.  The second parameter is the
-// name of the test within the test suite.
-//
-// A test fixture class must be declared earlier.  The user should put
-// the test code between braces after using this macro.  Example:
-//
-//   class FooTest : public testing::Test {
-//    protected:
-//     void SetUp() override { b_.AddElement(3); }
-//
-//     Foo a_;
-//     Foo b_;
-//   };
-//
-//   TEST_F(FooTest, InitializesCorrectly) {
-//     EXPECT_TRUE(a_.StatusIsOK());
-//   }
-//
-//   TEST_F(FooTest, ReturnsElementCountCorrectly) {
-//     EXPECT_EQ(a_.size(), 0);
-//     EXPECT_EQ(b_.size(), 1);
-//   }
-//
-// GOOGLETEST_CM0011 DO NOT DELETE
-#if !GTEST_DONT_DEFINE_TEST
-#define TEST_F(test_fixture, test_name)\
-  GTEST_TEST_(test_fixture, test_name, test_fixture, \
-              ::testing::internal::GetTypeId<test_fixture>())
-#endif  // !GTEST_DONT_DEFINE_TEST
-
-// Returns a path to temporary directory.
-// Tries to determine an appropriate directory for the platform.
-GTEST_API_ std::string TempDir();
-
-#ifdef _MSC_VER
-#  pragma warning(pop)
-#endif
-
-// Dynamically registers a test with the framework.
-//
-// This is an advanced API only to be used when the `TEST` macros are
-// insufficient. The macros should be preferred when possible, as they avoid
-// most of the complexity of calling this function.
-//
-// The `factory` argument is a factory callable (move-constructible) object or
-// function pointer that creates a new instance of the Test object. It
-// handles ownership to the caller. The signature of the callable is
-// `Fixture*()`, where `Fixture` is the test fixture class for the test. All
-// tests registered with the same `test_suite_name` must return the same
-// fixture type. This is checked at runtime.
-//
-// The framework will infer the fixture class from the factory and will call
-// the `SetUpTestSuite` and `TearDownTestSuite` for it.
-//
-// Must be called before `RUN_ALL_TESTS()` is invoked, otherwise behavior is
-// undefined.
-//
-// Use case example:
-//
-// class MyFixture : public ::testing::Test {
-//  public:
-//   // All of these optional, just like in regular macro usage.
-//   static void SetUpTestSuite() { ... }
-//   static void TearDownTestSuite() { ... }
-//   void SetUp() override { ... }
-//   void TearDown() override { ... }
-// };
-//
-// class MyTest : public MyFixture {
-//  public:
-//   explicit MyTest(int data) : data_(data) {}
-//   void TestBody() override { ... }
-//
-//  private:
-//   int data_;
-// };
-//
-// void RegisterMyTests(const std::vector<int>& values) {
-//   for (int v : values) {
-//     ::testing::RegisterTest(
-//         "MyFixture", ("Test" + std::to_string(v)).c_str(), nullptr,
-//         std::to_string(v).c_str(),
-//         __FILE__, __LINE__,
-//         // Important to use the fixture type as the return type here.
-//         [=]() -> MyFixture* { return new MyTest(v); });
-//   }
-// }
-// ...
-// int main(int argc, char** argv) {
-//   std::vector<int> values_to_test = LoadValuesFromConfig();
-//   RegisterMyTests(values_to_test);
-//   ...
-//   return RUN_ALL_TESTS();
-// }
-//
-template <int&... ExplicitParameterBarrier, typename Factory>
-TestInfo* RegisterTest(const char* test_suite_name, const char* test_name,
-                       const char* type_param, const char* value_param,
-                       const char* file, int line, Factory factory) {
-  using TestT = typename std::remove_pointer<decltype(factory())>::type;
-
-  class FactoryImpl : public internal::TestFactoryBase {
-   public:
-    explicit FactoryImpl(Factory f) : factory_(std::move(f)) {}
-    Test* CreateTest() override { return factory_(); }
-
-   private:
-    Factory factory_;
-  };
-
-  return internal::MakeAndRegisterTestInfo(
-      test_suite_name, test_name, type_param, value_param,
-      internal::CodeLocation(file, line), internal::GetTypeId<TestT>(),
-      internal::SuiteApiResolver<TestT>::GetSetUpCaseOrSuite(file, line),
-      internal::SuiteApiResolver<TestT>::GetTearDownCaseOrSuite(file, line),
-      new FactoryImpl{std::move(factory)});
-}
-
-}  // namespace testing
-
-// Use this function in main() to run all tests.  It returns 0 if all
-// tests are successful, or 1 otherwise.
-//
-// RUN_ALL_TESTS() should be invoked after the command line has been
-// parsed by InitGoogleTest().
-//
-// This function was formerly a macro; thus, it is in the global
-// namespace and has an all-caps name.
-int RUN_ALL_TESTS() GTEST_MUST_USE_RESULT_;
-
-inline int RUN_ALL_TESTS() {
-  return ::testing::UnitTest::GetInstance()->Run();
-}
-
-GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
-
-#endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_H_
diff --git a/third_party/fmt-9.1.0/test/header-only-test.cc b/third_party/fmt-9.1.0/test/header-only-test.cc
deleted file mode 100644
index 570f09a5..00000000
--- a/third_party/fmt-9.1.0/test/header-only-test.cc
+++ /dev/null
@@ -1,11 +0,0 @@
-// Header-only configuration test
-
-#include "fmt/core.h"
-#include "fmt/ostream.h"
-#include "gtest/gtest.h"
-
-#ifndef FMT_HEADER_ONLY
-#  error "Not in the header-only mode."
-#endif
-
-TEST(header_only_test, format) { EXPECT_EQ(fmt::format("foo"), "foo"); }
diff --git a/third_party/fmt-9.1.0/test/mock-allocator.h b/third_party/fmt-9.1.0/test/mock-allocator.h
deleted file mode 100644
index 6a67e08f..00000000
--- a/third_party/fmt-9.1.0/test/mock-allocator.h
+++ /dev/null
@@ -1,64 +0,0 @@
-// Formatting library for C++ - mock allocator
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_MOCK_ALLOCATOR_H_
-#define FMT_MOCK_ALLOCATOR_H_
-
-#include <assert.h>  // assert
-#include <stddef.h>  // size_t
-
-#include <memory>  // std::allocator_traits
-
-#include "gmock/gmock.h"
-
-template <typename T> class mock_allocator {
- public:
-  mock_allocator() {}
-  mock_allocator(const mock_allocator&) {}
-  using value_type = T;
-  MOCK_METHOD1_T(allocate, T*(size_t n));
-  MOCK_METHOD2_T(deallocate, void(T* p, size_t n));
-};
-
-template <typename Allocator> class allocator_ref {
- private:
-  Allocator* alloc_;
-
-  void move(allocator_ref& other) {
-    alloc_ = other.alloc_;
-    other.alloc_ = nullptr;
-  }
-
- public:
-  using value_type = typename Allocator::value_type;
-
-  explicit allocator_ref(Allocator* alloc = nullptr) : alloc_(alloc) {}
-
-  allocator_ref(const allocator_ref& other) : alloc_(other.alloc_) {}
-  allocator_ref(allocator_ref&& other) { move(other); }
-
-  allocator_ref& operator=(allocator_ref&& other) {
-    assert(this != &other);
-    move(other);
-    return *this;
-  }
-
-  allocator_ref& operator=(const allocator_ref& other) {
-    alloc_ = other.alloc_;
-    return *this;
-  }
-
- public:
-  Allocator* get() const { return alloc_; }
-
-  value_type* allocate(size_t n) {
-    return std::allocator_traits<Allocator>::allocate(*alloc_, n);
-  }
-  void deallocate(value_type* p, size_t n) { alloc_->deallocate(p, n); }
-};
-
-#endif  // FMT_MOCK_ALLOCATOR_H_
diff --git a/third_party/fmt-9.1.0/test/module-test.cc b/third_party/fmt-9.1.0/test/module-test.cc
deleted file mode 100644
index 62e5fe8b..00000000
--- a/third_party/fmt-9.1.0/test/module-test.cc
+++ /dev/null
@@ -1,572 +0,0 @@
-// Formatting library for C++ - module tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-//
-// Copyright (c) 2021 - present, Daniela Engert
-// All Rights Reserved
-// {fmt} module.
-
-#ifdef _MSC_FULL_VER
-// hide some implementation bugs in msvc
-// that are not essential to users of the module.
-#  define FMT_HIDE_MODULE_BUGS
-#endif
-
-#define FMT_MODULE_TEST
-
-#include <bit>
-#include <chrono>
-#include <exception>
-#include <iterator>
-#include <locale>
-#include <memory>
-#include <ostream>
-#include <string>
-#include <string_view>
-#include <system_error>
-
-#if (__has_include(<fcntl.h>) || defined(__APPLE__) || \
-     defined(__linux__)) &&                              \
-    (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
-#  include <fcntl.h>
-#  define FMT_USE_FCNTL 1
-#else
-#  define FMT_USE_FCNTL 0
-#endif
-#if defined(_WIN32) && !defined(__MINGW32__)
-#  define FMT_POSIX(call) _##call
-#else
-#  define FMT_POSIX(call) call
-#endif
-#define FMT_OS_H_  // don't pull in os.h directly or indirectly
-
-import fmt;
-
-// check for macros leaking from BMI
-static bool macro_leaked =
-#if defined(FMT_CORE_H_) || defined(FMT_FORMAT_H_)
-    true;
-#else
-    false;
-#endif
-
-// Include sources to pick up functions and classes from the module rather than
-// from the non-modular library which is baked into the 'test-main' library.
-// This averts linker problems:
-// - strong ownership model: missing linker symbols
-// - weak ownership model: duplicate linker symbols
-#include "gtest-extra.cc"
-#include "util.cc"
-
-// an implicitly exported namespace must be visible [module.interface]/2.2
-TEST(module_test, namespace) {
-  using namespace fmt;
-  using namespace fmt::literals;
-  ASSERT_TRUE(true);
-}
-
-namespace detail {
-bool oops_detail_namespace_is_visible;
-}
-
-namespace fmt {
-bool namespace_detail_invisible() {
-#if defined(FMT_HIDE_MODULE_BUGS) && defined(_MSC_FULL_VER) && \
-    ((_MSC_VER == 1929 && _MSC_FULL_VER <= 192930136) ||       \
-     (_MSC_VER == 1930 && _MSC_FULL_VER <= 193030704))
-  // bug in msvc up to 16.11.5 / 17.0-pre5:
-
-  // the namespace is visible even when it is neither
-  // implicitly nor explicitly exported
-  return true;
-#else
-  using namespace detail;
-  // this fails to compile if fmt::detail is visible
-  return !oops_detail_namespace_is_visible;
-#endif
-}
-}  // namespace fmt
-
-// the non-exported namespace 'detail' must be invisible [module.interface]/2
-TEST(module_test, detail_namespace) {
-  EXPECT_TRUE(fmt::namespace_detail_invisible());
-}
-
-// macros must not be imported from a *named* module  [cpp.import]/5.1
-TEST(module_test, macros) {
-#if defined(FMT_HIDE_MODULE_BUGS) && defined(_MSC_FULL_VER) && \
-    _MSC_FULL_VER <= 192930130
-  // bug in msvc up to 16.11-pre2:
-  // include-guard macros leak from BMI
-  // and even worse: they cannot be #undef-ined
-  macro_leaked = false;
-#endif
-  EXPECT_FALSE(macro_leaked);
-}
-
-// The following is less about functional testing (that's done elsewhere)
-// but rather visibility of all client-facing overloads, reachability of
-// non-exported entities, name lookup and overload resolution within
-// template instantitions.
-// Excercise all exported entities of the API at least once.
-// Instantiate as many code paths as possible.
-
-TEST(module_test, to_string) {
-  EXPECT_EQ("42", fmt::to_string(42));
-  EXPECT_EQ("42", fmt::to_string(42.0));
-
-  EXPECT_EQ(L"42", fmt::to_wstring(42));
-  EXPECT_EQ(L"42", fmt::to_wstring(42.0));
-}
-
-TEST(module_test, format) {
-  EXPECT_EQ("42", fmt::format("{:}", 42));
-  EXPECT_EQ("-42", fmt::format("{0}", -42.0));
-
-  EXPECT_EQ(L"42", fmt::format(L"{:}", 42));
-  EXPECT_EQ(L"-42", fmt::format(L"{0}", -42.0));
-}
-
-TEST(module_test, format_to) {
-  std::string s;
-  fmt::format_to(std::back_inserter(s), "{}", 42);
-  EXPECT_EQ("42", s);
-
-  char buffer[4] = {0};
-  fmt::format_to(buffer, "{}", 42);
-  EXPECT_EQ("42", std::string_view(buffer));
-
-  fmt::memory_buffer mb;
-  fmt::format_to(mb, "{}", 42);
-  EXPECT_EQ("42", std::string_view(buffer));
-
-  std::wstring w;
-  fmt::format_to(std::back_inserter(w), L"{}", 42);
-  EXPECT_EQ(L"42", w);
-
-  wchar_t wbuffer[4] = {0};
-  fmt::format_to(wbuffer, L"{}", 42);
-  EXPECT_EQ(L"42", std::wstring_view(wbuffer));
-
-  fmt::wmemory_buffer wb;
-  fmt::format_to(wb, L"{}", 42);
-  EXPECT_EQ(L"42", std::wstring_view(wbuffer));
-}
-
-TEST(module_test, formatted_size) {
-  EXPECT_EQ(2u, fmt::formatted_size("{}", 42));
-  EXPECT_EQ(2u, fmt::formatted_size(L"{}", 42));
-}
-
-TEST(module_test, format_to_n) {
-  std::string s;
-  auto result = fmt::format_to_n(std::back_inserter(s), 1, "{}", 42);
-  EXPECT_EQ(2u, result.size);
-  char buffer[4] = {0};
-  fmt::format_to_n(buffer, 3, "{}", 12345);
-
-  std::wstring w;
-  auto wresult = fmt::format_to_n(std::back_inserter(w), 1, L"{}", 42);
-  EXPECT_EQ(2u, wresult.size);
-  wchar_t wbuffer[4] = {0};
-  fmt::format_to_n(wbuffer, 3, L"{}", 12345);
-}
-
-TEST(module_test, format_args) {
-  auto no_args = fmt::format_args();
-  EXPECT_FALSE(no_args.get(1));
-
-  fmt::basic_format_args args = fmt::make_format_args(42);
-  EXPECT_TRUE(args.max_size() > 0);
-  auto arg0 = args.get(0);
-  EXPECT_TRUE(arg0);
-  decltype(arg0) arg_none;
-  EXPECT_FALSE(arg_none);
-  EXPECT_TRUE(arg0.type() != arg_none.type());
-}
-
-TEST(module_test, wformat_args) {
-  auto no_args = fmt::wformat_args();
-  EXPECT_FALSE(no_args.get(1));
-  fmt::basic_format_args args = fmt::make_wformat_args(42);
-  EXPECT_TRUE(args.get(0));
-}
-
-TEST(module_test, dynamic_format_args) {
-  fmt::dynamic_format_arg_store<fmt::format_context> dyn_store;
-  dyn_store.push_back(fmt::arg("a42", 42));
-  fmt::basic_format_args args = dyn_store;
-  EXPECT_FALSE(args.get(3));
-  EXPECT_TRUE(args.get(fmt::string_view("a42")));
-
-  fmt::dynamic_format_arg_store<fmt::wformat_context> wdyn_store;
-  wdyn_store.push_back(fmt::arg(L"a42", 42));
-  fmt::basic_format_args wargs = wdyn_store;
-  EXPECT_FALSE(wargs.get(3));
-  EXPECT_TRUE(wargs.get(fmt::wstring_view(L"a42")));
-}
-
-TEST(module_test, vformat) {
-  EXPECT_EQ("42", fmt::vformat("{}", fmt::make_format_args(42)));
-  EXPECT_EQ(L"42", fmt::vformat(fmt::to_string_view(L"{}"),
-                                fmt::make_wformat_args(42)));
-}
-
-TEST(module_test, vformat_to) {
-  auto store = fmt::make_format_args(42);
-  std::string s;
-  fmt::vformat_to(std::back_inserter(s), "{}", store);
-  EXPECT_EQ("42", s);
-
-  char buffer[4] = {0};
-  fmt::vformat_to(buffer, "{:}", store);
-  EXPECT_EQ("42", std::string_view(buffer));
-
-  auto wstore = fmt::make_wformat_args(42);
-  std::wstring w;
-  fmt::vformat_to(std::back_inserter(w), L"{}", wstore);
-  EXPECT_EQ(L"42", w);
-
-  wchar_t wbuffer[4] = {0};
-  fmt::vformat_to(wbuffer, L"{:}", wstore);
-  EXPECT_EQ(L"42", std::wstring_view(wbuffer));
-}
-
-TEST(module_test, vformat_to_n) {
-  auto store = fmt::make_format_args(12345);
-  std::string s;
-  auto result = fmt::vformat_to_n(std::back_inserter(s), 1, "{}", store);
-  char buffer[4] = {0};
-  fmt::vformat_to_n(buffer, 3, "{:}", store);
-
-  auto wstore = fmt::make_wformat_args(12345);
-  std::wstring w;
-  auto wresult = fmt::vformat_to_n(std::back_inserter(w), 1,
-                                   fmt::to_string_view(L"{}"), wstore);
-  wchar_t wbuffer[4] = {0};
-  fmt::vformat_to_n(wbuffer, 3, fmt::to_string_view(L"{:}"), wstore);
-}
-
-std::string as_string(std::wstring_view text) {
-  return {reinterpret_cast<const char*>(text.data()),
-          text.size() * sizeof(text[0])};
-}
-
-TEST(module_test, print) {
-  EXPECT_WRITE(stdout, fmt::print("{}µ", 42), "42µ");
-  EXPECT_WRITE(stderr, fmt::print(stderr, "{}µ", 4.2), "4.2µ");
-  if (false) {
-    EXPECT_WRITE(stdout, fmt::print(L"{}µ", 42), as_string(L"42µ"));
-    EXPECT_WRITE(stderr, fmt::print(stderr, L"{}µ", 4.2), as_string(L"4.2µ"));
-  }
-}
-
-TEST(module_test, vprint) {
-  EXPECT_WRITE(stdout, fmt::vprint("{:}µ", fmt::make_format_args(42)), "42µ");
-  EXPECT_WRITE(stderr, fmt::vprint(stderr, "{}", fmt::make_format_args(4.2)),
-               "4.2");
-  if (false) {
-    EXPECT_WRITE(stdout, fmt::vprint(L"{:}µ", fmt::make_wformat_args(42)),
-                 as_string(L"42µ"));
-    EXPECT_WRITE(stderr, fmt::vprint(stderr, L"{}", fmt::make_wformat_args(42)),
-                 as_string(L"42"));
-  }
-}
-
-TEST(module_test, named_args) {
-  EXPECT_EQ("42", fmt::format("{answer}", fmt::arg("answer", 42)));
-  EXPECT_EQ(L"42", fmt::format(L"{answer}", fmt::arg(L"answer", 42)));
-}
-
-TEST(module_test, literals) {
-  using namespace fmt::literals;
-  EXPECT_EQ("42", fmt::format("{answer}", "answer"_a = 42));
-  EXPECT_EQ("42", "{}"_format(42));
-  EXPECT_EQ(L"42", fmt::format(L"{answer}", L"answer"_a = 42));
-  EXPECT_EQ(L"42", L"{}"_format(42));
-}
-
-TEST(module_test, locale) {
-  auto store = fmt::make_format_args(4.2);
-  const auto classic = std::locale::classic();
-  EXPECT_EQ("4.2", fmt::format(classic, "{:L}", 4.2));
-  EXPECT_EQ("4.2", fmt::vformat(classic, "{:L}", store));
-  std::string s;
-  fmt::vformat_to(std::back_inserter(s), classic, "{:L}", store);
-  EXPECT_EQ("4.2", s);
-  EXPECT_EQ("4.2", fmt::format("{:L}", 4.2));
-
-  auto wstore = fmt::make_wformat_args(4.2);
-  EXPECT_EQ(L"4.2", fmt::format(classic, L"{:L}", 4.2));
-  EXPECT_EQ(L"4.2", fmt::vformat(classic, L"{:L}", wstore));
-  std::wstring w;
-  fmt::vformat_to(std::back_inserter(w), classic, L"{:L}", wstore);
-  EXPECT_EQ(L"4.2", w);
-  EXPECT_EQ(L"4.2", fmt::format(L"{:L}", 4.2));
-}
-
-TEST(module_test, string_view) {
-  fmt::string_view nsv("fmt");
-  EXPECT_EQ("fmt", nsv);
-  EXPECT_TRUE(fmt::string_view("fmt") == nsv);
-
-  fmt::wstring_view wsv(L"fmt");
-  EXPECT_EQ(L"fmt", wsv);
-  EXPECT_TRUE(fmt::wstring_view(L"fmt") == wsv);
-}
-
-TEST(module_test, memory_buffer) {
-  fmt::basic_memory_buffer<char, fmt::inline_buffer_size> buffer;
-  fmt::format_to(buffer, "{}", "42");
-  EXPECT_EQ("42", to_string(buffer));
-  fmt::memory_buffer nbuffer(std::move(buffer));
-  EXPECT_EQ("42", to_string(nbuffer));
-  buffer = std::move(nbuffer);
-  EXPECT_EQ("42", to_string(buffer));
-  nbuffer.clear();
-  EXPECT_EQ(0u, to_string(nbuffer).size());
-
-  fmt::wmemory_buffer wbuffer;
-  EXPECT_EQ(0u, to_string(wbuffer).size());
-}
-
-TEST(module_test, is_char) {
-  EXPECT_TRUE(fmt::is_char<char>());
-  EXPECT_TRUE(fmt::is_char<wchar_t>());
-  EXPECT_TRUE(fmt::is_char<char8_t>());
-  EXPECT_TRUE(fmt::is_char<char16_t>());
-  EXPECT_TRUE(fmt::is_char<char32_t>());
-  EXPECT_FALSE(fmt::is_char<signed char>());
-}
-
-TEST(module_test, ptr) {
-  uintptr_t answer = 42;
-  auto p = std::bit_cast<int*>(answer);
-  EXPECT_EQ("0x2a", fmt::to_string(fmt::ptr(p)));
-  std::unique_ptr<int> up(p);
-  EXPECT_EQ("0x2a", fmt::to_string(fmt::ptr(up)));
-  up.release();
-  auto sp = std::make_shared<int>(0);
-  p = sp.get();
-  EXPECT_EQ(fmt::to_string(fmt::ptr(p)), fmt::to_string(fmt::ptr(sp)));
-}
-
-TEST(module_test, errors) {
-  auto store = fmt::make_format_args(42);
-  EXPECT_THROW(throw fmt::format_error("oops"), std::exception);
-  EXPECT_THROW(throw fmt::vsystem_error(0, "{}", store), std::system_error);
-  EXPECT_THROW(throw fmt::system_error(0, "{}", 42), std::system_error);
-
-  fmt::memory_buffer buffer;
-  fmt::format_system_error(buffer, 0, "oops");
-  auto oops = to_string(buffer);
-  EXPECT_TRUE(oops.size() > 0);
-  EXPECT_WRITE(stderr, fmt::report_system_error(0, "oops"), oops + '\n');
-
-#ifdef _WIN32
-  EXPECT_THROW(throw fmt::vwindows_error(0, "{}", store), std::system_error);
-  EXPECT_THROW(throw fmt::windows_error(0, "{}", 42), std::system_error);
-  output_redirect redirect(stderr);
-  fmt::report_windows_error(0, "oops");
-  EXPECT_TRUE(redirect.restore_and_read().size() > 0);
-#endif
-}
-
-TEST(module_test, error_code) {
-  EXPECT_EQ("generic:42",
-            fmt::format("{0}", std::error_code(42, std::generic_category())));
-  EXPECT_EQ("system:42",
-            fmt::format("{0}", std::error_code(42, fmt::system_category())));
-  EXPECT_EQ(L"generic:42",
-            fmt::format(L"{0}", std::error_code(42, std::generic_category())));
-}
-
-TEST(module_test, format_int) {
-  fmt::format_int sanswer(42);
-  EXPECT_EQ("42", fmt::string_view(sanswer.data(), sanswer.size()));
-  fmt::format_int uanswer(42u);
-  EXPECT_EQ("42", fmt::string_view(uanswer.data(), uanswer.size()));
-}
-
-struct test_formatter : fmt::formatter<char> {
-  bool check() { return true; }
-};
-
-struct test_dynamic_formatter : fmt::dynamic_formatter<> {
-  bool check() { return true; }
-};
-
-TEST(module_test, formatter) {
-  EXPECT_TRUE(test_formatter{}.check());
-  EXPECT_TRUE(test_dynamic_formatter{}.check());
-}
-
-TEST(module_test, join) {
-  int arr[3] = {1, 2, 3};
-  std::vector<double> vec{1.0, 2.0, 3.0};
-  std::initializer_list<int> il{1, 2, 3};
-  auto sep = fmt::to_string_view(", ");
-  EXPECT_EQ("1, 2, 3", to_string(fmt::join(arr + 0, arr + 3, sep)));
-  EXPECT_EQ("1, 2, 3", to_string(fmt::join(arr, sep)));
-  EXPECT_EQ("1, 2, 3", to_string(fmt::join(vec.begin(), vec.end(), sep)));
-  EXPECT_EQ("1, 2, 3", to_string(fmt::join(vec, sep)));
-  EXPECT_EQ("1, 2, 3", to_string(fmt::join(il, sep)));
-
-  auto wsep = fmt::to_string_view(L", ");
-  EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(arr + 0, arr + 3, wsep)));
-  EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(arr, wsep)));
-  EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(il, wsep)));
-}
-
-TEST(module_test, time) {
-  auto time_now = std::time(nullptr);
-  EXPECT_TRUE(fmt::localtime(time_now).tm_year > 120);
-  EXPECT_TRUE(fmt::gmtime(time_now).tm_year > 120);
-  auto chrono_now = std::chrono::system_clock::now();
-  EXPECT_TRUE(fmt::localtime(chrono_now).tm_year > 120);
-  EXPECT_TRUE(fmt::gmtime(chrono_now).tm_year > 120);
-}
-
-TEST(module_test, time_point) {
-  auto now = std::chrono::system_clock::now();
-  std::string_view past("2021-05-20 10:30:15");
-  EXPECT_TRUE(past < fmt::format("{:%Y-%m-%d %H:%M:%S}", now));
-  std::wstring_view wpast(L"2021-05-20 10:30:15");
-  EXPECT_TRUE(wpast < fmt::format(L"{:%Y-%m-%d %H:%M:%S}", now));
-}
-
-TEST(module_test, time_duration) {
-  using us = std::chrono::duration<double, std::micro>;
-  EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds{42}));
-  EXPECT_EQ("4.2µs", fmt::format("{:3.1}", us{4.234}));
-  EXPECT_EQ("4.2µs", fmt::format(std::locale::classic(), "{:L}", us{4.2}));
-
-  EXPECT_EQ(L"42s", fmt::format(L"{}", std::chrono::seconds{42}));
-  EXPECT_EQ(L"4.2µs", fmt::format(L"{:3.1}", us{4.234}));
-  EXPECT_EQ(L"4.2µs", fmt::format(std::locale::classic(), L"{:L}", us{4.2}));
-}
-
-TEST(module_test, weekday) {
-  EXPECT_EQ("Mon", fmt::format(std::locale::classic(), "{}", fmt::weekday(1)));
-}
-
-TEST(module_test, to_string_view) {
-  using fmt::to_string_view;
-  fmt::string_view nsv{to_string_view("42")};
-  EXPECT_EQ("42", nsv);
-  fmt::wstring_view wsv{to_string_view(L"42")};
-  EXPECT_EQ(L"42", wsv);
-}
-
-TEST(module_test, printf) {
-  EXPECT_WRITE(stdout, fmt::printf("%f", 42.123456), "42.123456");
-  EXPECT_WRITE(stdout, fmt::printf("%d", 42), "42");
-  if (false) {
-    EXPECT_WRITE(stdout, fmt::printf(L"%f", 42.123456),
-                 as_string(L"42.123456"));
-    EXPECT_WRITE(stdout, fmt::printf(L"%d", 42), as_string(L"42"));
-  }
-}
-
-TEST(module_test, fprintf) {
-  EXPECT_WRITE(stderr, fmt::fprintf(stderr, "%d", 42), "42");
-  std::ostringstream os;
-  fmt::fprintf(os, "%s", "bla");
-  EXPECT_EQ("bla", os.str());
-
-  EXPECT_WRITE(stderr, fmt::fprintf(stderr, L"%d", 42), as_string(L"42"));
-  std::wostringstream ws;
-  fmt::fprintf(ws, L"%s", L"bla");
-  EXPECT_EQ(L"bla", ws.str());
-}
-
-TEST(module_test, sprintf) {
-  EXPECT_EQ("42", fmt::sprintf("%d", 42));
-  EXPECT_EQ(L"42", fmt::sprintf(L"%d", 42));
-}
-
-TEST(module_test, vprintf) {
-  EXPECT_WRITE(stdout, fmt::vprintf("%d", fmt::make_printf_args(42)), "42");
-  if (false) {
-    EXPECT_WRITE(stdout, fmt::vprintf(L"%d", fmt::make_wprintf_args(42)),
-                 as_string(L"42"));
-  }
-}
-
-TEST(module_test, vfprintf) {
-  auto args = fmt::make_printf_args(42);
-  EXPECT_WRITE(stderr, fmt::vfprintf(stderr, "%d", args), "42");
-  std::ostringstream os;
-  fmt::vfprintf(os, "%d", args);
-  EXPECT_EQ("42", os.str());
-  auto wargs = fmt::make_wprintf_args(42);
-  if (false) {
-    EXPECT_WRITE(stderr, fmt::vfprintf(stderr, L"%d", wargs), as_string(L"42"));
-  }
-  std::wostringstream ws;
-  fmt::vfprintf(ws, L"%d", wargs);
-  EXPECT_EQ(L"42", ws.str());
-}
-
-TEST(module_test, vsprintf) {
-  EXPECT_EQ("42", fmt::vsprintf("%d", fmt::make_printf_args(42)));
-  EXPECT_EQ(L"42", fmt::vsprintf(L"%d", fmt::make_wprintf_args(42)));
-}
-
-TEST(module_test, color) {
-  auto fg_check = fg(fmt::rgb(255, 200, 30));
-  auto bg_check = bg(fmt::color::dark_slate_gray) | fmt::emphasis::italic;
-  auto emphasis_check = fmt::emphasis::underline | fmt::emphasis::bold;
-  EXPECT_EQ("\x1B[30m42\x1B[0m",
-            fmt::format(fg(fmt::terminal_color::black), "{}", 42));
-  EXPECT_EQ(L"\x1B[30m42\x1B[0m",
-            fmt::format(fg(fmt::terminal_color::black), L"{}", 42));
-}
-
-TEST(module_test, cstring_view) {
-  auto s = "fmt";
-  EXPECT_EQ(s, fmt::cstring_view(s).c_str());
-  auto w = L"fmt";
-  EXPECT_EQ(w, fmt::wcstring_view(w).c_str());
-}
-
-TEST(module_test, buffered_file) {
-  EXPECT_TRUE(fmt::buffered_file{}.get() == nullptr);
-}
-
-TEST(module_test, output_file) {
-  fmt::ostream out = fmt::output_file("module-test", fmt::buffer_size = 1);
-  out.close();
-}
-
-struct custom_context {
-  using char_type = char;
-  using parse_context_type = fmt::format_parse_context;
-};
-
-TEST(module_test, custom_context) {
-  fmt::basic_format_arg<custom_context> custom_arg;
-  EXPECT_TRUE(!custom_arg);
-}
-
-struct disabled_formatter {};
-
-TEST(module_test, has_formatter) {
-  EXPECT_FALSE(
-      (fmt::has_formatter<disabled_formatter, fmt::format_context>::value));
-}
-
-TEST(module_test, is_formattable) {
-  EXPECT_FALSE(fmt::is_formattable<disabled_formatter>::value);
-}
-
-TEST(module_test, compile_format_string) {
-  using namespace fmt::literals;
-  EXPECT_EQ("42", fmt::format("{0:x}"_cf, 0x42));
-  EXPECT_EQ(L"42", fmt::format(L"{:}"_cf, 42));
-  EXPECT_EQ("4.2", fmt::format("{arg:3.1f}"_cf, "arg"_a = 4.2));
-  EXPECT_EQ(L" 42", fmt::format(L"{arg:>3}"_cf, L"arg"_a = L"42"));
-}
diff --git a/third_party/fmt-9.1.0/test/noexception-test.cc b/third_party/fmt-9.1.0/test/noexception-test.cc
deleted file mode 100644
index bf3472fd..00000000
--- a/third_party/fmt-9.1.0/test/noexception-test.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Formatting library for C++ - Noexception tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/args.h"
-#include "fmt/chrono.h"
-#include "fmt/color.h"
-#include "fmt/compile.h"
-#include "fmt/core.h"
-#include "fmt/format.h"
-#include "fmt/os.h"
-#include "fmt/ostream.h"
-#include "fmt/printf.h"
-#include "fmt/ranges.h"
-#include "fmt/xchar.h"
diff --git a/third_party/fmt-9.1.0/test/os-test.cc b/third_party/fmt-9.1.0/test/os-test.cc
deleted file mode 100644
index a1745c8c..00000000
--- a/third_party/fmt-9.1.0/test/os-test.cc
+++ /dev/null
@@ -1,547 +0,0 @@
-// Formatting library for C++ - tests of the OS-specific functionality
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/os.h"
-
-#include <cstdlib>  // std::exit
-#include <cstring>
-#include <memory>
-
-#include "gtest-extra.h"
-#include "util.h"
-
-using fmt::buffered_file;
-using testing::HasSubstr;
-using wstring_view = fmt::basic_string_view<wchar_t>;
-
-#ifdef _WIN32
-
-#  include <windows.h>
-
-TEST(util_test, utf16_to_utf8) {
-  auto s = std::string("ёжик");
-  fmt::detail::utf16_to_utf8 u(L"\x0451\x0436\x0438\x043A");
-  EXPECT_EQ(s, u.str());
-  EXPECT_EQ(s.size(), u.size());
-}
-
-TEST(util_test, utf16_to_utf8_empty_string) {
-  std::string s = "";
-  fmt::detail::utf16_to_utf8 u(L"");
-  EXPECT_EQ(s, u.str());
-  EXPECT_EQ(s.size(), u.size());
-}
-
-template <typename Converter, typename Char>
-void check_utf_conversion_error(const char* message,
-                                fmt::basic_string_view<Char> str =
-                                    fmt::basic_string_view<Char>(nullptr, 1)) {
-  fmt::memory_buffer out;
-  fmt::detail::format_windows_error(out, ERROR_INVALID_PARAMETER, message);
-  auto error = std::system_error(std::error_code());
-  try {
-    (Converter)(str);
-  } catch (const std::system_error& e) {
-    error = e;
-  }
-  EXPECT_EQ(ERROR_INVALID_PARAMETER, error.code().value());
-  EXPECT_THAT(error.what(), HasSubstr(fmt::to_string(out)));
-}
-
-TEST(util_test, utf16_to_utf8_error) {
-  check_utf_conversion_error<fmt::detail::utf16_to_utf8, wchar_t>(
-      "cannot convert string from UTF-16 to UTF-8");
-}
-
-TEST(util_test, utf16_to_utf8_convert) {
-  fmt::detail::utf16_to_utf8 u;
-  EXPECT_EQ(ERROR_INVALID_PARAMETER, u.convert(wstring_view(nullptr, 1)));
-  EXPECT_EQ(ERROR_INVALID_PARAMETER,
-            u.convert(wstring_view(L"foo", INT_MAX + 1u)));
-}
-
-TEST(os_test, format_std_error_code) {
-  EXPECT_EQ("generic:42",
-            fmt::format(FMT_STRING("{0}"),
-                        std::error_code(42, std::generic_category())));
-  EXPECT_EQ("system:42",
-            fmt::format(FMT_STRING("{0}"),
-                        std::error_code(42, fmt::system_category())));
-  EXPECT_EQ("system:-42",
-            fmt::format(FMT_STRING("{0}"),
-                        std::error_code(-42, fmt::system_category())));
-}
-
-TEST(os_test, format_windows_error) {
-  LPWSTR message = nullptr;
-  auto result = FormatMessageW(
-      FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
-          FORMAT_MESSAGE_IGNORE_INSERTS,
-      nullptr, ERROR_FILE_EXISTS, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-      reinterpret_cast<LPWSTR>(&message), 0, nullptr);
-  fmt::detail::utf16_to_utf8 utf8_message(wstring_view(message, result - 2));
-  LocalFree(message);
-  fmt::memory_buffer actual_message;
-  fmt::detail::format_windows_error(actual_message, ERROR_FILE_EXISTS, "test");
-  EXPECT_EQ(fmt::format("test: {}", utf8_message.str()),
-            fmt::to_string(actual_message));
-  actual_message.resize(0);
-}
-
-TEST(os_test, format_long_windows_error) {
-  LPWSTR message = nullptr;
-  // this error code is not available on all Windows platforms and
-  // Windows SDKs, so do not fail the test if the error string cannot
-  // be retrieved.
-  int provisioning_not_allowed = 0x80284013L;  // TBS_E_PROVISIONING_NOT_ALLOWED
-  auto result = FormatMessageW(
-      FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
-          FORMAT_MESSAGE_IGNORE_INSERTS,
-      nullptr, static_cast<DWORD>(provisioning_not_allowed),
-      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-      reinterpret_cast<LPWSTR>(&message), 0, nullptr);
-  if (result == 0) {
-    LocalFree(message);
-    return;
-  }
-  fmt::detail::utf16_to_utf8 utf8_message(wstring_view(message, result - 2));
-  LocalFree(message);
-  fmt::memory_buffer actual_message;
-  fmt::detail::format_windows_error(actual_message, provisioning_not_allowed,
-                                    "test");
-  EXPECT_EQ(fmt::format("test: {}", utf8_message.str()),
-            fmt::to_string(actual_message));
-}
-
-TEST(os_test, windows_error) {
-  auto error = std::system_error(std::error_code());
-  try {
-    throw fmt::windows_error(ERROR_FILE_EXISTS, "test {}", "error");
-  } catch (const std::system_error& e) {
-    error = e;
-  }
-  fmt::memory_buffer message;
-  fmt::detail::format_windows_error(message, ERROR_FILE_EXISTS, "test error");
-  EXPECT_THAT(error.what(), HasSubstr(to_string(message)));
-  EXPECT_EQ(ERROR_FILE_EXISTS, error.code().value());
-}
-
-TEST(os_test, report_windows_error) {
-  fmt::memory_buffer out;
-  fmt::detail::format_windows_error(out, ERROR_FILE_EXISTS, "test error");
-  out.push_back('\n');
-  EXPECT_WRITE(stderr,
-               fmt::report_windows_error(ERROR_FILE_EXISTS, "test error"),
-               fmt::to_string(out));
-}
-
-#endif  // _WIN32
-
-#if FMT_USE_FCNTL
-
-using fmt::file;
-
-bool isclosed(int fd) {
-  char buffer;
-  auto result = std::streamsize();
-  SUPPRESS_ASSERT(result = FMT_POSIX(read(fd, &buffer, 1)));
-  return result == -1 && errno == EBADF;
-}
-
-// Opens a file for reading.
-file open_file() {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  write_end.write(file_content, std::strlen(file_content));
-  write_end.close();
-  return read_end;
-}
-
-// Attempts to write a string to a file.
-void write(file& f, fmt::string_view s) {
-  size_t num_chars_left = s.size();
-  const char* ptr = s.data();
-  do {
-    size_t count = f.write(ptr, num_chars_left);
-    ptr += count;
-    // We can't write more than size_t bytes since num_chars_left
-    // has type size_t.
-    num_chars_left -= count;
-  } while (num_chars_left != 0);
-}
-
-TEST(buffered_file_test, default_ctor) {
-  auto f = buffered_file();
-  EXPECT_TRUE(f.get() == nullptr);
-}
-
-TEST(buffered_file_test, move_ctor) {
-  buffered_file bf = open_buffered_file();
-  FILE* fp = bf.get();
-  EXPECT_TRUE(fp != nullptr);
-  buffered_file bf2(std::move(bf));
-  EXPECT_EQ(fp, bf2.get());
-  EXPECT_TRUE(bf.get() == nullptr);
-}
-
-TEST(buffered_file_test, move_assignment) {
-  buffered_file bf = open_buffered_file();
-  FILE* fp = bf.get();
-  EXPECT_TRUE(fp != nullptr);
-  buffered_file bf2;
-  bf2 = std::move(bf);
-  EXPECT_EQ(fp, bf2.get());
-  EXPECT_TRUE(bf.get() == nullptr);
-}
-
-TEST(buffered_file_test, move_assignment_closes_file) {
-  buffered_file bf = open_buffered_file();
-  buffered_file bf2 = open_buffered_file();
-  int old_fd = bf2.descriptor();
-  bf2 = std::move(bf);
-  EXPECT_TRUE(isclosed(old_fd));
-}
-
-TEST(buffered_file_test, move_from_temporary_in_ctor) {
-  FILE* fp = nullptr;
-  buffered_file f = open_buffered_file(&fp);
-  EXPECT_EQ(fp, f.get());
-}
-
-TEST(buffered_file_test, move_from_temporary_in_assignment) {
-  FILE* fp = nullptr;
-  auto f = buffered_file();
-  f = open_buffered_file(&fp);
-  EXPECT_EQ(fp, f.get());
-}
-
-TEST(buffered_file_test, move_from_temporary_in_assignment_closes_file) {
-  buffered_file f = open_buffered_file();
-  int old_fd = f.descriptor();
-  f = open_buffered_file();
-  EXPECT_TRUE(isclosed(old_fd));
-}
-
-TEST(buffered_file_test, close_file_in_dtor) {
-  int fd = 0;
-  {
-    buffered_file f = open_buffered_file();
-    fd = f.descriptor();
-  }
-  EXPECT_TRUE(isclosed(fd));
-}
-
-TEST(buffered_file_test, close_error_in_dtor) {
-  auto f =
-      std::unique_ptr<buffered_file>(new buffered_file(open_buffered_file()));
-  EXPECT_WRITE(
-      stderr,
-      {
-        // The close function must be called inside EXPECT_WRITE,
-        // otherwise the system may recycle closed file descriptor when
-        // redirecting the output in EXPECT_STDERR and the second close
-        // will break output redirection.
-        FMT_POSIX(close(f->descriptor()));
-        SUPPRESS_ASSERT(f.reset(nullptr));
-      },
-      system_error_message(EBADF, "cannot close file") + "\n");
-}
-
-TEST(buffered_file_test, close) {
-  buffered_file f = open_buffered_file();
-  int fd = f.descriptor();
-  f.close();
-  EXPECT_TRUE(f.get() == nullptr);
-  EXPECT_TRUE(isclosed(fd));
-}
-
-TEST(buffered_file_test, close_error) {
-  buffered_file f = open_buffered_file();
-  FMT_POSIX(close(f.descriptor()));
-  EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
-  EXPECT_TRUE(f.get() == nullptr);
-}
-
-TEST(buffered_file_test, descriptor) {
-  auto f = open_buffered_file();
-  EXPECT_TRUE(f.descriptor() != -1);
-  file copy = file::dup(f.descriptor());
-  EXPECT_READ(copy, file_content);
-}
-
-TEST(ostream_test, move) {
-  fmt::ostream out = fmt::output_file("test-file");
-  fmt::ostream moved(std::move(out));
-  moved.print("hello");
-}
-
-TEST(ostream_test, move_while_holding_data) {
-  {
-    fmt::ostream out = fmt::output_file("test-file");
-    out.print("Hello, ");
-    fmt::ostream moved(std::move(out));
-    moved.print("world!\n");
-  }
-  {
-    file in("test-file", file::RDONLY);
-    EXPECT_READ(in, "Hello, world!\n");
-  }
-}
-
-TEST(ostream_test, print) {
-  fmt::ostream out = fmt::output_file("test-file");
-  out.print("The answer is {}.\n",
-            fmt::join(std::initializer_list<int>{42}, ", "));
-  out.close();
-  file in("test-file", file::RDONLY);
-  EXPECT_READ(in, "The answer is 42.\n");
-}
-
-TEST(ostream_test, buffer_boundary) {
-  auto str = std::string(4096, 'x');
-  fmt::ostream out = fmt::output_file("test-file");
-  out.print("{}", str);
-  out.print("{}", str);
-  out.close();
-  file in("test-file", file::RDONLY);
-  EXPECT_READ(in, str + str);
-}
-
-TEST(ostream_test, buffer_size) {
-  fmt::ostream out = fmt::output_file("test-file", fmt::buffer_size = 1);
-  out.print("{}", "foo");
-  out.close();
-  file in("test-file", file::RDONLY);
-  EXPECT_READ(in, "foo");
-}
-
-TEST(ostream_test, truncate) {
-  {
-    fmt::ostream out = fmt::output_file("test-file");
-    out.print("0123456789");
-  }
-  {
-    fmt::ostream out = fmt::output_file("test-file");
-    out.print("foo");
-  }
-  file in("test-file", file::RDONLY);
-  EXPECT_EQ("foo", read(in, 4));
-}
-
-TEST(ostream_test, flush) {
-  auto out = fmt::output_file("test-file");
-  out.print("x");
-  out.flush();
-  auto in = fmt::file("test-file", file::RDONLY);
-  EXPECT_READ(in, "x");
-}
-
-TEST(file_test, default_ctor) {
-  file f;
-  EXPECT_EQ(-1, f.descriptor());
-}
-
-TEST(file_test, open_buffered_file_in_ctor) {
-  FILE* fp = safe_fopen("test-file", "w");
-  std::fputs(file_content, fp);
-  std::fclose(fp);
-  file f("test-file", file::RDONLY);
-  // Check if the file is open by reading one character from it.
-  char buffer;
-  bool isopen = FMT_POSIX(read(f.descriptor(), &buffer, 1)) == 1;
-  ASSERT_TRUE(isopen);
-}
-
-TEST(file_test, open_buffered_file_error) {
-  EXPECT_SYSTEM_ERROR(file("nonexistent", file::RDONLY), ENOENT,
-                      "cannot open file nonexistent");
-}
-
-TEST(file_test, move_ctor) {
-  file f = open_file();
-  int fd = f.descriptor();
-  EXPECT_NE(-1, fd);
-  file f2(std::move(f));
-  EXPECT_EQ(fd, f2.descriptor());
-  EXPECT_EQ(-1, f.descriptor());
-}
-
-TEST(file_test, move_assignment) {
-  file f = open_file();
-  int fd = f.descriptor();
-  EXPECT_NE(-1, fd);
-  file f2;
-  f2 = std::move(f);
-  EXPECT_EQ(fd, f2.descriptor());
-  EXPECT_EQ(-1, f.descriptor());
-}
-
-TEST(file_test, move_assignment_closes_file) {
-  file f = open_file();
-  file f2 = open_file();
-  int old_fd = f2.descriptor();
-  f2 = std::move(f);
-  EXPECT_TRUE(isclosed(old_fd));
-}
-
-file open_buffered_file(int& fd) {
-  file f = open_file();
-  fd = f.descriptor();
-  return f;
-}
-
-TEST(file_test, move_from_temporary_in_ctor) {
-  int fd = 0xdead;
-  file f(open_buffered_file(fd));
-  EXPECT_EQ(fd, f.descriptor());
-}
-
-TEST(file_test, move_from_temporary_in_assignment) {
-  int fd = 0xdead;
-  file f;
-  f = open_buffered_file(fd);
-  EXPECT_EQ(fd, f.descriptor());
-}
-
-TEST(file_test, move_from_temporary_in_assignment_closes_file) {
-  int fd = 0xdead;
-  file f = open_file();
-  int old_fd = f.descriptor();
-  f = open_buffered_file(fd);
-  EXPECT_TRUE(isclosed(old_fd));
-}
-
-TEST(file_test, close_file_in_dtor) {
-  int fd = 0;
-  {
-    file f = open_file();
-    fd = f.descriptor();
-  }
-  EXPECT_TRUE(isclosed(fd));
-}
-
-TEST(file_test, close_error_in_dtor) {
-  std::unique_ptr<file> f(new file(open_file()));
-  EXPECT_WRITE(
-      stderr,
-      {
-        // The close function must be called inside EXPECT_WRITE,
-        // otherwise the system may recycle closed file descriptor when
-        // redirecting the output in EXPECT_STDERR and the second close
-        // will break output redirection.
-        FMT_POSIX(close(f->descriptor()));
-        SUPPRESS_ASSERT(f.reset(nullptr));
-      },
-      system_error_message(EBADF, "cannot close file") + "\n");
-}
-
-TEST(file_test, close) {
-  file f = open_file();
-  int fd = f.descriptor();
-  f.close();
-  EXPECT_EQ(-1, f.descriptor());
-  EXPECT_TRUE(isclosed(fd));
-}
-
-TEST(file_test, close_error) {
-  file f = open_file();
-  FMT_POSIX(close(f.descriptor()));
-  EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
-  EXPECT_EQ(-1, f.descriptor());
-}
-
-TEST(file_test, read) {
-  file f = open_file();
-  EXPECT_READ(f, file_content);
-}
-
-TEST(file_test, read_error) {
-  file f("test-file", file::WRONLY);
-  char buf;
-  // We intentionally read from a file opened in the write-only mode to
-  // cause error.
-  EXPECT_SYSTEM_ERROR(f.read(&buf, 1), EBADF, "cannot read from file");
-}
-
-TEST(file_test, write) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  write(write_end, "test");
-  write_end.close();
-  EXPECT_READ(read_end, "test");
-}
-
-TEST(file_test, write_error) {
-  file f("test-file", file::RDONLY);
-  // We intentionally write to a file opened in the read-only mode to
-  // cause error.
-  EXPECT_SYSTEM_ERROR(f.write(" ", 1), EBADF, "cannot write to file");
-}
-
-TEST(file_test, dup) {
-  file f = open_file();
-  file copy = file::dup(f.descriptor());
-  EXPECT_NE(f.descriptor(), copy.descriptor());
-  EXPECT_EQ(file_content, read(copy, std::strlen(file_content)));
-}
-
-#  ifndef __COVERITY__
-TEST(file_test, dup_error) {
-  int value = -1;
-  EXPECT_SYSTEM_ERROR_NOASSERT(file::dup(value), EBADF,
-                               "cannot duplicate file descriptor -1");
-}
-#  endif
-
-TEST(file_test, dup2) {
-  file f = open_file();
-  file copy = open_file();
-  f.dup2(copy.descriptor());
-  EXPECT_NE(f.descriptor(), copy.descriptor());
-  EXPECT_READ(copy, file_content);
-}
-
-TEST(file_test, dup2_error) {
-  file f = open_file();
-  EXPECT_SYSTEM_ERROR_NOASSERT(
-      f.dup2(-1), EBADF,
-      fmt::format("cannot duplicate file descriptor {} to -1", f.descriptor()));
-}
-
-TEST(file_test, dup2_noexcept) {
-  file f = open_file();
-  file copy = open_file();
-  std::error_code ec;
-  f.dup2(copy.descriptor(), ec);
-  EXPECT_EQ(ec.value(), 0);
-  EXPECT_NE(f.descriptor(), copy.descriptor());
-  EXPECT_READ(copy, file_content);
-}
-
-TEST(file_test, dup2_noexcept_error) {
-  file f = open_file();
-  std::error_code ec;
-  SUPPRESS_ASSERT(f.dup2(-1, ec));
-  EXPECT_EQ(EBADF, ec.value());
-}
-
-TEST(file_test, pipe) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  EXPECT_NE(-1, read_end.descriptor());
-  EXPECT_NE(-1, write_end.descriptor());
-  write(write_end, "test");
-  EXPECT_READ(read_end, "test");
-}
-
-TEST(file_test, fdopen) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  int read_fd = read_end.descriptor();
-  EXPECT_EQ(read_fd, FMT_POSIX(fileno(read_end.fdopen("r").get())));
-}
-#endif  // FMT_USE_FCNTL
diff --git a/third_party/fmt-9.1.0/test/ostream-test.cc b/third_party/fmt-9.1.0/test/ostream-test.cc
deleted file mode 100644
index a3a51d53..00000000
--- a/third_party/fmt-9.1.0/test/ostream-test.cc
+++ /dev/null
@@ -1,322 +0,0 @@
-// Formatting library for C++ - std::ostream support tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <fstream>
-
-#include "fmt/format.h"
-
-using fmt::runtime;
-
-struct test {};
-
-// Test that there is no issues with specializations when fmt/ostream.h is
-// included after fmt/format.h.
-namespace fmt {
-template <> struct formatter<test> : formatter<int> {
-  auto format(const test&, format_context& ctx) -> decltype(ctx.out()) {
-    return formatter<int>::format(42, ctx);
-  }
-};
-}  // namespace fmt
-
-#include <sstream>
-
-#include "fmt/compile.h"
-#include "fmt/ostream.h"
-#include "fmt/ranges.h"
-#include "gmock/gmock.h"
-#include "gtest-extra.h"
-#include "util.h"
-
-auto operator<<(std::ostream& os, const date& d) -> std::ostream& {
-  os << d.year() << '-' << d.month() << '-' << d.day();
-  return os;
-}
-
-auto operator<<(std::wostream& os, const date& d) -> std::wostream& {
-  os << d.year() << L'-' << d.month() << L'-' << d.day();
-  return os;
-}
-
-// Make sure that overloaded comma operators do no harm to is_streamable.
-struct type_with_comma_op {};
-template <typename T> void operator,(type_with_comma_op, const T&);
-template <typename T> type_with_comma_op operator<<(T&, const date&);
-
-enum streamable_enum {};
-
-auto operator<<(std::ostream& os, streamable_enum) -> std::ostream& {
-  return os << "streamable_enum";
-}
-
-enum unstreamable_enum {};
-auto format_as(unstreamable_enum e) -> int { return e; }
-
-struct empty_test {};
-auto operator<<(std::ostream& os, empty_test) -> std::ostream& {
-  return os << "";
-}
-
-namespace fmt {
-template <> struct formatter<test_string> : ostream_formatter {};
-template <> struct formatter<date> : ostream_formatter {};
-template <> struct formatter<streamable_enum> : ostream_formatter {};
-template <> struct formatter<empty_test> : ostream_formatter {};
-}  // namespace fmt
-
-TEST(ostream_test, enum) {
-  EXPECT_EQ("streamable_enum", fmt::format("{}", streamable_enum()));
-  EXPECT_EQ("0", fmt::format("{}", unstreamable_enum()));
-}
-
-TEST(ostream_test, format) {
-  EXPECT_EQ("a string", fmt::format("{0}", test_string("a string")));
-  EXPECT_EQ("The date is 2012-12-9",
-            fmt::format("The date is {0}", date(2012, 12, 9)));
-}
-
-TEST(ostream_test, format_specs) {
-  using fmt::format_error;
-  EXPECT_EQ("def  ", fmt::format("{0:<5}", test_string("def")));
-  EXPECT_EQ("  def", fmt::format("{0:>5}", test_string("def")));
-  EXPECT_EQ(" def ", fmt::format("{0:^5}", test_string("def")));
-  EXPECT_EQ("def**", fmt::format("{0:*<5}", test_string("def")));
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:+}"), test_string()),
-                   format_error, "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:-}"), test_string()),
-                   format_error, "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0: }"), test_string()),
-                   format_error, "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:#}"), test_string()),
-                   format_error, "format specifier requires numeric argument");
-  EXPECT_THROW_MSG((void)fmt::format(runtime("{0:05}"), test_string()),
-                   format_error, "format specifier requires numeric argument");
-  EXPECT_EQ("test         ", fmt::format("{0:13}", test_string("test")));
-  EXPECT_EQ("test         ", fmt::format("{0:{1}}", test_string("test"), 13));
-  EXPECT_EQ("te", fmt::format("{0:.2}", test_string("test")));
-  EXPECT_EQ("te", fmt::format("{0:.{1}}", test_string("test"), 2));
-}
-
-TEST(ostream_test, empty_custom_output) {
-  EXPECT_EQ("", fmt::format("{}", empty_test()));
-}
-
-TEST(ostream_test, print) {
-  std::ostringstream os;
-  fmt::print(os, "Don't {}!", "panic");
-  EXPECT_EQ("Don't panic!", os.str());
-}
-
-TEST(ostream_test, write_to_ostream) {
-  std::ostringstream os;
-  fmt::memory_buffer buffer;
-  const char* foo = "foo";
-  buffer.append(foo, foo + std::strlen(foo));
-  fmt::detail::write_buffer(os, buffer);
-  EXPECT_EQ("foo", os.str());
-}
-
-TEST(ostream_test, write_to_ostream_max_size) {
-  auto max_size = fmt::detail::max_value<size_t>();
-  auto max_streamsize = fmt::detail::max_value<std::streamsize>();
-  if (max_size <= fmt::detail::to_unsigned(max_streamsize)) return;
-
-  struct test_buffer final : fmt::detail::buffer<char> {
-    explicit test_buffer(size_t size)
-        : fmt::detail::buffer<char>(nullptr, size, size) {}
-    void grow(size_t) override {}
-  } buffer(max_size);
-
-  struct mock_streambuf : std::streambuf {
-    MOCK_METHOD2(xsputn, std::streamsize(const void* s, std::streamsize n));
-    auto xsputn(const char* s, std::streamsize n) -> std::streamsize override {
-      const void* v = s;
-      return xsputn(v, n);
-    }
-  } streambuf;
-
-  struct test_ostream : std::ostream {
-    explicit test_ostream(mock_streambuf& output_buffer)
-        : std::ostream(&output_buffer) {}
-  } os(streambuf);
-
-  testing::InSequence sequence;
-  const char* data = nullptr;
-  using ustreamsize = std::make_unsigned<std::streamsize>::type;
-  ustreamsize size = max_size;
-  do {
-    auto n = std::min(size, fmt::detail::to_unsigned(max_streamsize));
-    EXPECT_CALL(streambuf, xsputn(data, static_cast<std::streamsize>(n)))
-        .WillOnce(testing::Return(max_streamsize));
-    data += n;
-    size -= n;
-  } while (size != 0);
-  fmt::detail::write_buffer(os, buffer);
-}
-
-TEST(ostream_test, join) {
-  int v[3] = {1, 2, 3};
-  EXPECT_EQ("1, 2, 3", fmt::format("{}", fmt::join(v, v + 3, ", ")));
-}
-
-TEST(ostream_test, join_fallback_formatter) {
-  auto strs = std::vector<test_string>{test_string("foo"), test_string("bar")};
-  EXPECT_EQ("foo, bar", fmt::format("{}", fmt::join(strs, ", ")));
-}
-
-#if FMT_USE_CONSTEXPR
-TEST(ostream_test, constexpr_string) {
-  EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), std::string("42")));
-  EXPECT_EQ("a string",
-            fmt::format(FMT_STRING("{0}"), test_string("a string")));
-}
-#endif
-
-namespace fmt_test {
-struct abc {};
-
-template <typename Output> auto operator<<(Output& out, abc) -> Output& {
-  return out << "abc";
-}
-}  // namespace fmt_test
-
-template <typename T> struct test_template {};
-
-template <typename T>
-auto operator<<(std::ostream& os, test_template<T>) -> std::ostream& {
-  return os << 1;
-}
-
-namespace fmt {
-template <typename T> struct formatter<test_template<T>> : formatter<int> {
-  auto format(test_template<T>, format_context& ctx) -> decltype(ctx.out()) {
-    return formatter<int>::format(2, ctx);
-  }
-};
-
-template <> struct formatter<fmt_test::abc> : ostream_formatter {};
-}  // namespace fmt
-
-TEST(ostream_test, template) {
-  EXPECT_EQ("2", fmt::format("{}", test_template<int>()));
-}
-
-TEST(ostream_test, format_to_n) {
-  char buffer[4];
-  buffer[3] = 'x';
-  auto result = fmt::format_to_n(buffer, 3, "{}", fmt_test::abc());
-  EXPECT_EQ(3u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ("abcx", fmt::string_view(buffer, 4));
-  result = fmt::format_to_n(buffer, 3, "x{}y", fmt_test::abc());
-  EXPECT_EQ(5u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ("xabx", fmt::string_view(buffer, 4));
-}
-
-template <typename T> struct convertible {
-  T value;
-  explicit convertible(const T& val) : value(val) {}
-  operator T() const { return value; }
-};
-
-TEST(ostream_test, disable_builtin_ostream_operators) {
-  EXPECT_EQ("42", fmt::format("{:d}", convertible<unsigned short>(42)));
-  EXPECT_EQ("foo", fmt::format("{}", convertible<const char*>("foo")));
-}
-
-struct streamable_and_convertible_to_bool {
-  operator bool() const { return true; }
-};
-
-std::ostream& operator<<(std::ostream& os, streamable_and_convertible_to_bool) {
-  return os << "foo";
-}
-
-TEST(ostream_test, format_convertible_to_bool) {
-  // operator<< is intentionally not used because of potential ODR violations.
-  EXPECT_EQ(fmt::format("{}", streamable_and_convertible_to_bool()), "true");
-}
-
-struct streamable_and_convertible_to_string_view {
-  operator fmt::string_view() const { return "foo"; }
-};
-
-std::ostream& operator<<(std::ostream& os,
-                         streamable_and_convertible_to_string_view) {
-  return os << "bar";
-}
-
-TEST(ostream_test, format_convertible_to_string_vew) {
-  // operator<< is intentionally not used because of potential ODR violations.
-  EXPECT_EQ(fmt::format("{}", streamable_and_convertible_to_string_view()),
-            "foo");
-}
-
-struct copyfmt_test {};
-
-std::ostream& operator<<(std::ostream& os, copyfmt_test) {
-  std::ios ios(nullptr);
-  ios.copyfmt(os);
-  return os << "foo";
-}
-
-namespace fmt {
-template <> struct formatter<copyfmt_test> : ostream_formatter {};
-}  // namespace fmt
-
-TEST(ostream_test, copyfmt) {
-  EXPECT_EQ("foo", fmt::format("{}", copyfmt_test()));
-}
-
-TEST(ostream_test, to_string) {
-  EXPECT_EQ("abc", fmt::to_string(fmt_test::abc()));
-}
-
-TEST(ostream_test, range) {
-  auto strs = std::vector<test_string>{test_string("foo"), test_string("bar")};
-  EXPECT_EQ("[foo, bar]", fmt::format("{}", strs));
-}
-
-struct abstract {
-  virtual ~abstract() = default;
-  virtual void f() = 0;
-  friend auto operator<<(std::ostream& os, const abstract&) -> std::ostream& {
-    return os;
-  }
-};
-
-namespace fmt {
-template <> struct formatter<abstract> : ostream_formatter {};
-}  // namespace fmt
-
-void format_abstract_compiles(const abstract& a) {
-  fmt::format(FMT_COMPILE("{}"), a);
-}
-
-TEST(ostream_test, is_formattable) {
-  EXPECT_TRUE(fmt::is_formattable<std::string>());
-  EXPECT_TRUE(fmt::is_formattable<fmt::detail::std_string_view<char>>());
-}
-
-struct streamable_and_unformattable {};
-
-auto operator<<(std::ostream& os, streamable_and_unformattable)
-    -> std::ostream& {
-  return os << "foo";
-}
-
-TEST(ostream_test, streamed) {
-  EXPECT_FALSE(fmt::is_formattable<streamable_and_unformattable>());
-  EXPECT_EQ(fmt::format("{}", fmt::streamed(streamable_and_unformattable())),
-            "foo");
-}
-
-TEST(ostream_test, closed_ofstream) {
-  std::ofstream ofs;
-  fmt::print(ofs, "discard");
-}
diff --git a/third_party/fmt-9.1.0/test/posix-mock-test.cc b/third_party/fmt-9.1.0/test/posix-mock-test.cc
deleted file mode 100644
index 819a94df..00000000
--- a/third_party/fmt-9.1.0/test/posix-mock-test.cc
+++ /dev/null
@@ -1,459 +0,0 @@
-// Tests of the C++ interface to POSIX functions that require mocks
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-// Disable bogus MSVC warnings.
-#if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER)
-#  define _CRT_SECURE_NO_WARNINGS
-#endif
-
-#include "posix-mock.h"
-
-#include <errno.h>
-#include <fcntl.h>
-
-#include <climits>
-#include <memory>
-
-#include "../src/os.cc"
-
-#ifdef _WIN32
-#  include <io.h>
-#  undef max
-#endif
-
-#include "gmock/gmock.h"
-#include "gtest-extra.h"
-#include "util.h"
-
-using fmt::buffered_file;
-
-using testing::_;
-using testing::Return;
-using testing::StrEq;
-
-template <typename Mock> struct scoped_mock : testing::StrictMock<Mock> {
-  scoped_mock() { Mock::instance = this; }
-  ~scoped_mock() { Mock::instance = nullptr; }
-};
-
-namespace {
-int open_count;
-int close_count;
-int dup_count;
-int dup2_count;
-int fdopen_count;
-int read_count;
-int write_count;
-int pipe_count;
-int fopen_count;
-int fclose_count;
-int fileno_count;
-size_t read_nbyte;
-size_t write_nbyte;
-bool sysconf_error;
-
-enum { none, max_size, error } fstat_sim;
-}  // namespace
-
-#define EMULATE_EINTR(func, error_result) \
-  if (func##_count != 0) {                \
-    if (func##_count++ != 3) {            \
-      errno = EINTR;                      \
-      return error_result;                \
-    }                                     \
-  }
-
-#ifndef _MSC_VER
-int test::open(const char* path, int oflag, int mode) {
-  EMULATE_EINTR(open, -1);
-  return ::open(path, oflag, mode);
-}
-#else
-errno_t test::sopen_s(int* pfh, const char* filename, int oflag, int shflag,
-                      int pmode) {
-  EMULATE_EINTR(open, EINTR);
-  return _sopen_s(pfh, filename, oflag, shflag, pmode);
-}
-#endif
-
-#ifndef _WIN32
-
-long test::sysconf(int name) {
-  long result = ::sysconf(name);
-  if (!sysconf_error) return result;
-  // Simulate an error.
-  errno = EINVAL;
-  return -1;
-}
-
-static off_t max_file_size() { return std::numeric_limits<off_t>::max(); }
-
-int test::fstat(int fd, struct stat* buf) {
-  int result = ::fstat(fd, buf);
-  if (fstat_sim == max_size) buf->st_size = max_file_size();
-  return result;
-}
-
-#else
-
-static LONGLONG max_file_size() { return std::numeric_limits<LONGLONG>::max(); }
-
-DWORD test::GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh) {
-  if (fstat_sim == error) {
-    SetLastError(ERROR_ACCESS_DENIED);
-    return INVALID_FILE_SIZE;
-  }
-  if (fstat_sim == max_size) {
-    DWORD max = std::numeric_limits<DWORD>::max();
-    *lpFileSizeHigh = max >> 1;
-    return max;
-  }
-  return ::GetFileSize(hFile, lpFileSizeHigh);
-}
-
-#endif
-
-int test::close(int fildes) {
-  // Close the file first because close shouldn't be retried.
-  int result = ::FMT_POSIX(close(fildes));
-  EMULATE_EINTR(close, -1);
-  return result;
-}
-
-int test::dup(int fildes) {
-  EMULATE_EINTR(dup, -1);
-  return ::FMT_POSIX(dup(fildes));
-}
-
-int test::dup2(int fildes, int fildes2) {
-  EMULATE_EINTR(dup2, -1);
-  return ::FMT_POSIX(dup2(fildes, fildes2));
-}
-
-FILE* test::fdopen(int fildes, const char* mode) {
-  EMULATE_EINTR(fdopen, nullptr);
-  return ::FMT_POSIX(fdopen(fildes, mode));
-}
-
-test::ssize_t test::read(int fildes, void* buf, test::size_t nbyte) {
-  read_nbyte = nbyte;
-  EMULATE_EINTR(read, -1);
-  return ::FMT_POSIX(read(fildes, buf, nbyte));
-}
-
-test::ssize_t test::write(int fildes, const void* buf, test::size_t nbyte) {
-  write_nbyte = nbyte;
-  EMULATE_EINTR(write, -1);
-  return ::FMT_POSIX(write(fildes, buf, nbyte));
-}
-
-#ifndef _WIN32
-int test::pipe(int fildes[2]) {
-  EMULATE_EINTR(pipe, -1);
-  return ::pipe(fildes);
-}
-#else
-int test::pipe(int* pfds, unsigned psize, int textmode) {
-  EMULATE_EINTR(pipe, -1);
-  return _pipe(pfds, psize, textmode);
-}
-#endif
-
-FILE* test::fopen(const char* filename, const char* mode) {
-  EMULATE_EINTR(fopen, nullptr);
-  return ::fopen(filename, mode);
-}
-
-int test::fclose(FILE* stream) {
-  EMULATE_EINTR(fclose, EOF);
-  return ::fclose(stream);
-}
-
-int(test::fileno)(FILE* stream) {
-  EMULATE_EINTR(fileno, -1);
-#ifdef fileno
-  return FMT_POSIX(fileno(stream));
-#else
-  return ::FMT_POSIX(fileno(stream));
-#endif
-}
-
-#ifndef _WIN32
-#  define EXPECT_RETRY(statement, func, message) \
-    func##_count = 1;                            \
-    statement;                                   \
-    EXPECT_EQ(4, func##_count);                  \
-    func##_count = 0;
-#  define EXPECT_EQ_POSIX(expected, actual) EXPECT_EQ(expected, actual)
-#else
-#  define EXPECT_RETRY(statement, func, message)    \
-    func##_count = 1;                               \
-    EXPECT_SYSTEM_ERROR(statement, EINTR, message); \
-    func##_count = 0;
-#  define EXPECT_EQ_POSIX(expected, actual)
-#endif
-
-#if FMT_USE_FCNTL
-void write_file(fmt::cstring_view filename, fmt::string_view content) {
-  fmt::buffered_file f(filename, "w");
-  f.print("{}", content);
-}
-
-using fmt::file;
-
-TEST(os_test, getpagesize) {
-#  ifdef _WIN32
-  SYSTEM_INFO si = {};
-  GetSystemInfo(&si);
-  EXPECT_EQ(si.dwPageSize, fmt::getpagesize());
-#  else
-  EXPECT_EQ(sysconf(_SC_PAGESIZE), fmt::getpagesize());
-  sysconf_error = true;
-  EXPECT_SYSTEM_ERROR(fmt::getpagesize(), EINVAL,
-                      "cannot get memory page size");
-  sysconf_error = false;
-#  endif
-}
-
-TEST(file_test, open_retry) {
-  write_file("temp", "there must be something here");
-  std::unique_ptr<file> f{nullptr};
-  EXPECT_RETRY(f.reset(new file("temp", file::RDONLY)), open,
-               "cannot open file temp");
-#  ifndef _WIN32
-  char c = 0;
-  f->read(&c, 1);
-#  endif
-}
-
-TEST(file_test, close_no_retry_in_dtor) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  std::unique_ptr<file> f(new file(std::move(read_end)));
-  int saved_close_count = 0;
-  EXPECT_WRITE(
-      stderr,
-      {
-        close_count = 1;
-        f.reset(nullptr);
-        saved_close_count = close_count;
-        close_count = 0;
-      },
-      system_error_message(EINTR, "cannot close file") + "\n");
-  EXPECT_EQ(2, saved_close_count);
-}
-
-TEST(file_test, close_no_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  close_count = 1;
-  EXPECT_SYSTEM_ERROR(read_end.close(), EINTR, "cannot close file");
-  EXPECT_EQ(2, close_count);
-  close_count = 0;
-}
-
-TEST(file_test, size) {
-  std::string content = "top secret, destroy before reading";
-  write_file("temp", content);
-  file f("temp", file::RDONLY);
-  EXPECT_GE(f.size(), 0);
-  EXPECT_EQ(content.size(), static_cast<unsigned long long>(f.size()));
-#  ifdef _WIN32
-  auto error_code = std::error_code();
-  fstat_sim = error;
-  try {
-    f.size();
-  } catch (const std::system_error& e) {
-    error_code = e.code();
-  }
-  fstat_sim = none;
-  EXPECT_EQ(error_code,
-            std::error_code(ERROR_ACCESS_DENIED, fmt::system_category()));
-#  else
-  f.close();
-  EXPECT_SYSTEM_ERROR(f.size(), EBADF, "cannot get file attributes");
-#  endif
-}
-
-TEST(file_test, max_size) {
-  write_file("temp", "");
-  file f("temp", file::RDONLY);
-  fstat_sim = max_size;
-  EXPECT_GE(f.size(), 0);
-  EXPECT_EQ(max_file_size(), f.size());
-  fstat_sim = none;
-}
-
-TEST(file_test, read_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  enum { SIZE = 4 };
-  write_end.write("test", SIZE);
-  write_end.close();
-  char buffer[SIZE];
-  size_t count = 0;
-  EXPECT_RETRY(count = read_end.read(buffer, SIZE), read,
-               "cannot read from file");
-  EXPECT_EQ_POSIX(static_cast<std::streamsize>(SIZE), count);
-}
-
-TEST(file_test, write_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  enum { SIZE = 4 };
-  size_t count = 0;
-  EXPECT_RETRY(count = write_end.write("test", SIZE), write,
-               "cannot write to file");
-  write_end.close();
-#  ifndef _WIN32
-  EXPECT_EQ(static_cast<std::streamsize>(SIZE), count);
-  char buffer[SIZE + 1];
-  read_end.read(buffer, SIZE);
-  buffer[SIZE] = '\0';
-  EXPECT_STREQ("test", buffer);
-#  endif
-}
-
-#  ifdef _WIN32
-TEST(file_test, convert_read_count) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  char c;
-  size_t size = UINT_MAX;
-  if (sizeof(unsigned) != sizeof(size_t)) ++size;
-  read_count = 1;
-  read_nbyte = 0;
-  EXPECT_THROW(read_end.read(&c, size), std::system_error);
-  read_count = 0;
-  EXPECT_EQ(UINT_MAX, read_nbyte);
-}
-
-TEST(file_test, convert_write_count) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  char c;
-  size_t size = UINT_MAX;
-  if (sizeof(unsigned) != sizeof(size_t)) ++size;
-  write_count = 1;
-  write_nbyte = 0;
-  EXPECT_THROW(write_end.write(&c, size), std::system_error);
-  write_count = 0;
-  EXPECT_EQ(UINT_MAX, write_nbyte);
-}
-#  endif
-
-TEST(file_test, dup_no_retry) {
-  int stdout_fd = FMT_POSIX(fileno(stdout));
-  dup_count = 1;
-  EXPECT_SYSTEM_ERROR(
-      file::dup(stdout_fd), EINTR,
-      fmt::format("cannot duplicate file descriptor {}", stdout_fd));
-  dup_count = 0;
-}
-
-TEST(file_test, dup2_retry) {
-  int stdout_fd = FMT_POSIX(fileno(stdout));
-  file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
-  EXPECT_RETRY(f1.dup2(f2.descriptor()), dup2,
-               fmt::format("cannot duplicate file descriptor {} to {}",
-                           f1.descriptor(), f2.descriptor()));
-}
-
-TEST(file_test, dup2_no_except_retry) {
-  int stdout_fd = FMT_POSIX(fileno(stdout));
-  file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
-  std::error_code ec;
-  dup2_count = 1;
-  f1.dup2(f2.descriptor(), ec);
-#  ifndef _WIN32
-  EXPECT_EQ(4, dup2_count);
-#  else
-  EXPECT_EQ(EINTR, ec.value());
-#  endif
-  dup2_count = 0;
-}
-
-TEST(file_test, pipe_no_retry) {
-  file read_end, write_end;
-  pipe_count = 1;
-  EXPECT_SYSTEM_ERROR(file::pipe(read_end, write_end), EINTR,
-                      "cannot create pipe");
-  pipe_count = 0;
-}
-
-TEST(file_test, fdopen_no_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  fdopen_count = 1;
-  EXPECT_SYSTEM_ERROR(read_end.fdopen("r"), EINTR,
-                      "cannot associate stream with file descriptor");
-  fdopen_count = 0;
-}
-
-TEST(buffered_file_test, open_retry) {
-  write_file("temp", "there must be something here");
-  std::unique_ptr<buffered_file> f{nullptr};
-  EXPECT_RETRY(f.reset(new buffered_file("temp", "r")), fopen,
-               "cannot open file temp");
-#  ifndef _WIN32
-  char c = 0;
-  if (fread(&c, 1, 1, f->get()) < 1)
-    throw fmt::system_error(errno, "fread failed");
-#  endif
-}
-
-TEST(buffered_file_test, close_no_retry_in_dtor) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  std::unique_ptr<buffered_file> f(new buffered_file(read_end.fdopen("r")));
-  int saved_fclose_count = 0;
-  EXPECT_WRITE(
-      stderr,
-      {
-        fclose_count = 1;
-        f.reset(nullptr);
-        saved_fclose_count = fclose_count;
-        fclose_count = 0;
-      },
-      system_error_message(EINTR, "cannot close file") + "\n");
-  EXPECT_EQ(2, saved_fclose_count);
-}
-
-TEST(buffered_file_test, close_no_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  buffered_file f = read_end.fdopen("r");
-  fclose_count = 1;
-  EXPECT_SYSTEM_ERROR(f.close(), EINTR, "cannot close file");
-  EXPECT_EQ(2, fclose_count);
-  fclose_count = 0;
-}
-
-TEST(buffered_file_test, fileno_no_retry) {
-  file read_end, write_end;
-  file::pipe(read_end, write_end);
-  buffered_file f = read_end.fdopen("r");
-  fileno_count = 1;
-  EXPECT_SYSTEM_ERROR((f.descriptor)(), EINTR, "cannot get file descriptor");
-  EXPECT_EQ(2, fileno_count);
-  fileno_count = 0;
-}
-#endif  // FMT_USE_FCNTL
-
-struct test_mock {
-  static test_mock* instance;
-} * test_mock::instance;
-
-TEST(scoped_mock, scope) {
-  {
-    scoped_mock<test_mock> mock;
-    EXPECT_EQ(&mock, test_mock::instance);
-    test_mock& copy = mock;
-    static_cast<void>(copy);
-  }
-  EXPECT_EQ(nullptr, test_mock::instance);
-}
diff --git a/third_party/fmt-9.1.0/test/posix-mock.h b/third_party/fmt-9.1.0/test/posix-mock.h
deleted file mode 100644
index e76af700..00000000
--- a/third_party/fmt-9.1.0/test/posix-mock.h
+++ /dev/null
@@ -1,77 +0,0 @@
-// Formatting library for C++ - mocks of POSIX functions
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_POSIX_TEST_H
-#define FMT_POSIX_TEST_H
-
-#include <errno.h>
-#include <locale.h>
-#include <stdio.h>
-#ifdef __APPLE__
-#  include <xlocale.h>
-#endif
-
-#ifdef _WIN32
-#  include <windows.h>
-#else
-#  include <sys/param.h>  // for FreeBSD version
-#  include <sys/types.h>  // for ssize_t
-#endif
-
-#ifndef _MSC_VER
-struct stat;
-#endif
-
-namespace test {
-
-#ifndef _MSC_VER
-// Size type for read and write.
-typedef size_t size_t;
-typedef ssize_t ssize_t;
-int open(const char* path, int oflag, int mode);
-int fstat(int fd, struct stat* buf);
-#else
-typedef unsigned size_t;
-typedef int ssize_t;
-errno_t sopen_s(int* pfh, const char* filename, int oflag, int shflag,
-                int pmode);
-#endif
-
-#ifndef _WIN32
-long sysconf(int name);
-#else
-DWORD GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh);
-#endif
-
-int close(int fildes);
-
-int dup(int fildes);
-int dup2(int fildes, int fildes2);
-
-FILE* fdopen(int fildes, const char* mode);
-
-ssize_t read(int fildes, void* buf, size_t nbyte);
-ssize_t write(int fildes, const void* buf, size_t nbyte);
-
-#ifndef _WIN32
-int pipe(int fildes[2]);
-#else
-int pipe(int* pfds, unsigned psize, int textmode);
-#endif
-
-FILE* fopen(const char* filename, const char* mode);
-int fclose(FILE* stream);
-int(fileno)(FILE* stream);
-
-#if defined(FMT_LOCALE) && !defined(_WIN32)
-locale_t newlocale(int category_mask, const char* locale, locale_t base);
-#endif
-}  // namespace test
-
-#define FMT_SYSTEM(call) test::call
-
-#endif  // FMT_POSIX_TEST_H
diff --git a/third_party/fmt-9.1.0/test/printf-test.cc b/third_party/fmt-9.1.0/test/printf-test.cc
deleted file mode 100644
index 383ffb83..00000000
--- a/third_party/fmt-9.1.0/test/printf-test.cc
+++ /dev/null
@@ -1,584 +0,0 @@
-// Formatting library for C++ - printf tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/printf.h"
-
-#include <cctype>
-#include <climits>
-#include <cstring>
-
-#include "fmt/xchar.h"
-#include "gtest-extra.h"
-#include "util.h"
-
-using fmt::format;
-using fmt::format_error;
-using fmt::detail::max_value;
-
-const unsigned big_num = INT_MAX + 1u;
-
-// Makes format string argument positional.
-static std::string make_positional(fmt::string_view format) {
-  std::string s(format.data(), format.size());
-  s.replace(s.find('%'), 1, "%1$");
-  return s;
-}
-
-static std::wstring make_positional(fmt::basic_string_view<wchar_t> format) {
-  std::wstring s(format.data(), format.size());
-  s.replace(s.find(L'%'), 1, L"%1$");
-  return s;
-}
-
-// A wrapper around fmt::sprintf to workaround bogus warnings about invalid
-// format strings in MSVC.
-template <typename... Args>
-std::string test_sprintf(fmt::string_view format, const Args&... args) {
-  return fmt::sprintf(format, args...);
-}
-template <typename... Args>
-std::wstring test_sprintf(fmt::basic_string_view<wchar_t> format,
-                          const Args&... args) {
-  return fmt::sprintf(format, args...);
-}
-
-#define EXPECT_PRINTF(expected_output, format, arg)     \
-  EXPECT_EQ(expected_output, test_sprintf(format, arg)) \
-      << "format: " << format;                          \
-  EXPECT_EQ(expected_output, fmt::sprintf(make_positional(format), arg))
-
-TEST(printf_test, no_args) {
-  EXPECT_EQ("test", test_sprintf("test"));
-  EXPECT_EQ(L"test", fmt::sprintf(L"test"));
-}
-
-TEST(printf_test, escape) {
-  EXPECT_EQ("%", test_sprintf("%%"));
-  EXPECT_EQ("before %", test_sprintf("before %%"));
-  EXPECT_EQ("% after", test_sprintf("%% after"));
-  EXPECT_EQ("before % after", test_sprintf("before %% after"));
-  EXPECT_EQ("%s", test_sprintf("%%s"));
-  EXPECT_EQ(L"%", fmt::sprintf(L"%%"));
-  EXPECT_EQ(L"before %", fmt::sprintf(L"before %%"));
-  EXPECT_EQ(L"% after", fmt::sprintf(L"%% after"));
-  EXPECT_EQ(L"before % after", fmt::sprintf(L"before %% after"));
-  EXPECT_EQ(L"%s", fmt::sprintf(L"%%s"));
-}
-
-TEST(printf_test, positional_args) {
-  EXPECT_EQ("42", test_sprintf("%1$d", 42));
-  EXPECT_EQ("before 42", test_sprintf("before %1$d", 42));
-  EXPECT_EQ("42 after", test_sprintf("%1$d after", 42));
-  EXPECT_EQ("before 42 after", test_sprintf("before %1$d after", 42));
-  EXPECT_EQ("answer = 42", test_sprintf("%1$s = %2$d", "answer", 42));
-  EXPECT_EQ("42 is the answer", test_sprintf("%2$d is the %1$s", "answer", 42));
-  EXPECT_EQ("abracadabra", test_sprintf("%1$s%2$s%1$s", "abra", "cad"));
-}
-
-TEST(printf_test, automatic_arg_indexing) {
-  EXPECT_EQ("abc", test_sprintf("%c%c%c", 'a', 'b', 'c'));
-}
-
-TEST(printf_test, number_is_too_big_in_arg_index) {
-  EXPECT_THROW_MSG(test_sprintf(format("%{}$", big_num)), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG(test_sprintf(format("%{}$d", big_num)), format_error,
-                   "argument not found");
-}
-
-TEST(printf_test, switch_arg_indexing) {
-  EXPECT_THROW_MSG(test_sprintf("%1$d%", 1, 2), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-  EXPECT_THROW_MSG(test_sprintf(format("%1$d%{}d", big_num), 1, 2),
-                   format_error, "number is too big");
-  EXPECT_THROW_MSG(test_sprintf("%1$d%d", 1, 2), format_error,
-                   "cannot switch from manual to automatic argument indexing");
-
-  EXPECT_THROW_MSG(test_sprintf("%d%1$", 1, 2), format_error,
-                   "cannot switch from automatic to manual argument indexing");
-  EXPECT_THROW_MSG(test_sprintf(format("%d%{}$d", big_num), 1, 2), format_error,
-                   "cannot switch from automatic to manual argument indexing");
-  EXPECT_THROW_MSG(test_sprintf("%d%1$d", 1, 2), format_error,
-                   "cannot switch from automatic to manual argument indexing");
-
-  // Indexing errors override width errors.
-  EXPECT_THROW_MSG(test_sprintf(format("%d%1${}d", big_num), 1, 2),
-                   format_error, "number is too big");
-  EXPECT_THROW_MSG(test_sprintf(format("%1$d%{}d", big_num), 1, 2),
-                   format_error, "number is too big");
-}
-
-TEST(printf_test, invalid_arg_index) {
-  EXPECT_THROW_MSG(test_sprintf("%0$d", 42), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG(test_sprintf("%2$d", 42), format_error,
-                   "argument not found");
-  EXPECT_THROW_MSG(test_sprintf(format("%{}$d", INT_MAX), 42), format_error,
-                   "argument not found");
-
-  EXPECT_THROW_MSG(test_sprintf("%2$", 42), format_error, "argument not found");
-  EXPECT_THROW_MSG(test_sprintf(format("%{}$d", big_num), 42), format_error,
-                   "argument not found");
-}
-
-TEST(printf_test, default_align_right) {
-  EXPECT_PRINTF("   42", "%5d", 42);
-  EXPECT_PRINTF("  abc", "%5s", "abc");
-}
-
-TEST(printf_test, zero_flag) {
-  EXPECT_PRINTF("00042", "%05d", 42);
-  EXPECT_PRINTF("-0042", "%05d", -42);
-
-  EXPECT_PRINTF("00042", "%05d", 42);
-  EXPECT_PRINTF("-0042", "%05d", -42);
-  EXPECT_PRINTF("-004.2", "%06g", -4.2);
-
-  EXPECT_PRINTF("+00042", "%00+6d", 42);
-
-  EXPECT_PRINTF("   42", "%05.d", 42);
-  EXPECT_PRINTF(" 0042", "%05.4d", 42);
-
-  // '0' flag is ignored for non-numeric types.
-  EXPECT_PRINTF("    x", "%05c", 'x');
-}
-
-TEST(printf_test, plus_flag) {
-  EXPECT_PRINTF("+42", "%+d", 42);
-  EXPECT_PRINTF("-42", "%+d", -42);
-  EXPECT_PRINTF("+0042", "%+05d", 42);
-  EXPECT_PRINTF("+0042", "%0++5d", 42);
-
-  // '+' flag is ignored for non-numeric types.
-  EXPECT_PRINTF("x", "%+c", 'x');
-
-  // '+' flag wins over space flag
-  EXPECT_PRINTF("+42", "%+ d", 42);
-  EXPECT_PRINTF("-42", "%+ d", -42);
-  EXPECT_PRINTF("+42", "% +d", 42);
-  EXPECT_PRINTF("-42", "% +d", -42);
-  EXPECT_PRINTF("+0042", "% +05d", 42);
-  EXPECT_PRINTF("+0042", "%0+ 5d", 42);
-
-  // '+' flag and space flag are both ignored for non-numeric types.
-  EXPECT_PRINTF("x", "%+ c", 'x');
-  EXPECT_PRINTF("x", "% +c", 'x');
-}
-
-TEST(printf_test, minus_flag) {
-  EXPECT_PRINTF("abc  ", "%-5s", "abc");
-  EXPECT_PRINTF("abc  ", "%0--5s", "abc");
-
-  EXPECT_PRINTF("7    ", "%-5d", 7);
-  EXPECT_PRINTF("97   ", "%-5hhi", 'a');
-  EXPECT_PRINTF("a    ", "%-5c", 'a');
-
-  // '0' flag is ignored if '-' flag is given
-  EXPECT_PRINTF("7    ", "%-05d", 7);
-  EXPECT_PRINTF("7    ", "%0-5d", 7);
-  EXPECT_PRINTF("a    ", "%-05c", 'a');
-  EXPECT_PRINTF("a    ", "%0-5c", 'a');
-  EXPECT_PRINTF("97   ", "%-05hhi", 'a');
-  EXPECT_PRINTF("97   ", "%0-5hhi", 'a');
-
-  // '-' and space flag don't interfere
-  EXPECT_PRINTF(" 42", "%- d", 42);
-}
-
-TEST(printf_test, space_flag) {
-  EXPECT_PRINTF(" 42", "% d", 42);
-  EXPECT_PRINTF("-42", "% d", -42);
-  EXPECT_PRINTF(" 0042", "% 05d", 42);
-  EXPECT_PRINTF(" 0042", "%0  5d", 42);
-
-  // ' ' flag is ignored for non-numeric types.
-  EXPECT_PRINTF("x", "% c", 'x');
-}
-
-TEST(printf_test, hash_flag) {
-  EXPECT_PRINTF("042", "%#o", 042);
-  EXPECT_PRINTF(fmt::format("0{:o}", static_cast<unsigned>(-042)), "%#o", -042);
-  EXPECT_PRINTF("0", "%#o", 0);
-
-  EXPECT_PRINTF("0x42", "%#x", 0x42);
-  EXPECT_PRINTF("0X42", "%#X", 0x42);
-  EXPECT_PRINTF(fmt::format("0x{:x}", static_cast<unsigned>(-0x42)), "%#x",
-                -0x42);
-  EXPECT_PRINTF("0", "%#x", 0);
-
-  EXPECT_PRINTF("0x0042", "%#06x", 0x42);
-  EXPECT_PRINTF("0x0042", "%0##6x", 0x42);
-
-  EXPECT_PRINTF("-42.000000", "%#f", -42.0);
-  EXPECT_PRINTF("-42.000000", "%#F", -42.0);
-
-  char buffer[256];
-  safe_sprintf(buffer, "%#e", -42.0);
-  EXPECT_PRINTF(buffer, "%#e", -42.0);
-  safe_sprintf(buffer, "%#E", -42.0);
-  EXPECT_PRINTF(buffer, "%#E", -42.0);
-
-  EXPECT_PRINTF("-42.0000", "%#g", -42.0);
-  EXPECT_PRINTF("-42.0000", "%#G", -42.0);
-
-  safe_sprintf(buffer, "%#a", 16.0);
-  EXPECT_PRINTF(buffer, "%#a", 16.0);
-  safe_sprintf(buffer, "%#A", 16.0);
-  EXPECT_PRINTF(buffer, "%#A", 16.0);
-
-  // '#' flag is ignored for non-numeric types.
-  EXPECT_PRINTF("x", "%#c", 'x');
-}
-
-TEST(printf_test, width) {
-  EXPECT_PRINTF("  abc", "%5s", "abc");
-
-  // Width cannot be specified twice.
-  EXPECT_THROW_MSG(test_sprintf("%5-5d", 42), format_error,
-                   "invalid type specifier");
-
-  EXPECT_THROW_MSG(test_sprintf(format("%{}d", big_num), 42), format_error,
-                   "number is too big");
-  EXPECT_THROW_MSG(test_sprintf(format("%1${}d", big_num), 42), format_error,
-                   "number is too big");
-}
-
-TEST(printf_test, dynamic_width) {
-  EXPECT_EQ("   42", test_sprintf("%*d", 5, 42));
-  EXPECT_EQ("42   ", test_sprintf("%*d", -5, 42));
-  EXPECT_THROW_MSG(test_sprintf("%*d", 5.0, 42), format_error,
-                   "width is not integer");
-  EXPECT_THROW_MSG(test_sprintf("%*d"), format_error, "argument not found");
-  EXPECT_THROW_MSG(test_sprintf("%*d", big_num, 42), format_error,
-                   "number is too big");
-}
-
-TEST(printf_test, int_precision) {
-  EXPECT_PRINTF("00042", "%.5d", 42);
-  EXPECT_PRINTF("-00042", "%.5d", -42);
-  EXPECT_PRINTF("00042", "%.5x", 0x42);
-  EXPECT_PRINTF("0x00042", "%#.5x", 0x42);
-  EXPECT_PRINTF("00042", "%.5o", 042);
-  EXPECT_PRINTF("00042", "%#.5o", 042);
-
-  EXPECT_PRINTF("  00042", "%7.5d", 42);
-  EXPECT_PRINTF("  00042", "%7.5x", 0x42);
-  EXPECT_PRINTF("   0x00042", "%#10.5x", 0x42);
-  EXPECT_PRINTF("  00042", "%7.5o", 042);
-  EXPECT_PRINTF("     00042", "%#10.5o", 042);
-
-  EXPECT_PRINTF("00042  ", "%-7.5d", 42);
-  EXPECT_PRINTF("00042  ", "%-7.5x", 0x42);
-  EXPECT_PRINTF("0x00042   ", "%-#10.5x", 0x42);
-  EXPECT_PRINTF("00042  ", "%-7.5o", 042);
-  EXPECT_PRINTF("00042     ", "%-#10.5o", 042);
-}
-
-TEST(printf_test, float_precision) {
-  char buffer[256];
-  safe_sprintf(buffer, "%.3e", 1234.5678);
-  EXPECT_PRINTF(buffer, "%.3e", 1234.5678);
-  EXPECT_PRINTF("1234.568", "%.3f", 1234.5678);
-  EXPECT_PRINTF("1.23e+03", "%.3g", 1234.5678);
-  safe_sprintf(buffer, "%.3a", 1234.5678);
-  EXPECT_PRINTF(buffer, "%.3a", 1234.5678);
-}
-
-TEST(printf_test, string_precision) {
-  char test[] = {'H', 'e', 'l', 'l', 'o'};
-  EXPECT_EQ(fmt::sprintf("%.4s", test), "Hell");
-}
-
-TEST(printf_test, ignore_precision_for_non_numeric_arg) {
-  EXPECT_PRINTF("abc", "%.5s", "abc");
-}
-
-TEST(printf_test, dynamic_precision) {
-  EXPECT_EQ("00042", test_sprintf("%.*d", 5, 42));
-  EXPECT_EQ("42", test_sprintf("%.*d", -5, 42));
-  EXPECT_THROW_MSG(test_sprintf("%.*d", 5.0, 42), format_error,
-                   "precision is not integer");
-  EXPECT_THROW_MSG(test_sprintf("%.*d"), format_error, "argument not found");
-  EXPECT_THROW_MSG(test_sprintf("%.*d", big_num, 42), format_error,
-                   "number is too big");
-  if (sizeof(long long) != sizeof(int)) {
-    long long prec = static_cast<long long>(INT_MIN) - 1;
-    EXPECT_THROW_MSG(test_sprintf("%.*d", prec, 42), format_error,
-                     "number is too big");
-  }
-}
-
-template <typename T> struct make_signed { typedef T type; };
-
-#define SPECIALIZE_MAKE_SIGNED(T, S) \
-  template <> struct make_signed<T> { typedef S type; }
-
-SPECIALIZE_MAKE_SIGNED(char, signed char);
-SPECIALIZE_MAKE_SIGNED(unsigned char, signed char);
-SPECIALIZE_MAKE_SIGNED(unsigned short, short);
-SPECIALIZE_MAKE_SIGNED(unsigned, int);
-SPECIALIZE_MAKE_SIGNED(unsigned long, long);
-SPECIALIZE_MAKE_SIGNED(unsigned long long, long long);
-
-// Test length format specifier ``length_spec``.
-template <typename T, typename U>
-void test_length(const char* length_spec, U value) {
-  long long signed_value = 0;
-  unsigned long long unsigned_value = 0;
-  // Apply integer promotion to the argument.
-  unsigned long long max = max_value<U>();
-  using fmt::detail::const_check;
-  if (const_check(max <= static_cast<unsigned>(max_value<int>()))) {
-    signed_value = static_cast<int>(value);
-    unsigned_value = static_cast<unsigned long long>(value);
-  } else if (const_check(max <= max_value<unsigned>())) {
-    signed_value = static_cast<unsigned>(value);
-    unsigned_value = static_cast<unsigned long long>(value);
-  }
-  if (sizeof(U) <= sizeof(int) && sizeof(int) < sizeof(T)) {
-    signed_value = static_cast<long long>(value);
-    unsigned_value = static_cast<unsigned long long>(
-        static_cast<typename std::make_unsigned<unsigned>::type>(value));
-  } else {
-    signed_value = static_cast<typename make_signed<T>::type>(value);
-    unsigned_value = static_cast<typename std::make_unsigned<T>::type>(value);
-  }
-  std::ostringstream os;
-  os << signed_value;
-  EXPECT_PRINTF(os.str(), fmt::format("%{}d", length_spec), value);
-  EXPECT_PRINTF(os.str(), fmt::format("%{}i", length_spec), value);
-  os.str("");
-  os << unsigned_value;
-  EXPECT_PRINTF(os.str(), fmt::format("%{}u", length_spec), value);
-  os.str("");
-  os << std::oct << unsigned_value;
-  EXPECT_PRINTF(os.str(), fmt::format("%{}o", length_spec), value);
-  os.str("");
-  os << std::hex << unsigned_value;
-  EXPECT_PRINTF(os.str(), fmt::format("%{}x", length_spec), value);
-  os.str("");
-  os << std::hex << std::uppercase << unsigned_value;
-  EXPECT_PRINTF(os.str(), fmt::format("%{}X", length_spec), value);
-}
-
-template <typename T> void test_length(const char* length_spec) {
-  T min = std::numeric_limits<T>::min(), max = max_value<T>();
-  test_length<T>(length_spec, 42);
-  test_length<T>(length_spec, -42);
-  test_length<T>(length_spec, min);
-  test_length<T>(length_spec, max);
-  long long long_long_min = std::numeric_limits<long long>::min();
-  if (static_cast<long long>(min) > long_long_min)
-    test_length<T>(length_spec, static_cast<long long>(min) - 1);
-  unsigned long long long_long_max = max_value<long long>();
-  if (static_cast<unsigned long long>(max) < long_long_max)
-    test_length<T>(length_spec, static_cast<long long>(max) + 1);
-  test_length<T>(length_spec, std::numeric_limits<short>::min());
-  test_length<T>(length_spec, max_value<unsigned short>());
-  test_length<T>(length_spec, std::numeric_limits<int>::min());
-  test_length<T>(length_spec, max_value<int>());
-  test_length<T>(length_spec, std::numeric_limits<unsigned>::min());
-  test_length<T>(length_spec, max_value<unsigned>());
-  test_length<T>(length_spec, std::numeric_limits<long long>::min());
-  test_length<T>(length_spec, max_value<long long>());
-  test_length<T>(length_spec, std::numeric_limits<unsigned long long>::min());
-  test_length<T>(length_spec, max_value<unsigned long long>());
-}
-
-TEST(printf_test, length) {
-  test_length<char>("hh");
-  test_length<signed char>("hh");
-  test_length<unsigned char>("hh");
-  test_length<short>("h");
-  test_length<unsigned short>("h");
-  test_length<long>("l");
-  test_length<unsigned long>("l");
-  test_length<long long>("ll");
-  test_length<unsigned long long>("ll");
-  test_length<intmax_t>("j");
-  test_length<size_t>("z");
-  test_length<std::ptrdiff_t>("t");
-  long double max = max_value<long double>();
-  EXPECT_PRINTF(fmt::format("{:.6}", max), "%g", max);
-  EXPECT_PRINTF(fmt::format("{:.6}", max), "%Lg", max);
-}
-
-TEST(printf_test, bool) {
-  EXPECT_PRINTF("1", "%d", true);
-  EXPECT_PRINTF("true", "%s", true);
-}
-
-TEST(printf_test, int) {
-  EXPECT_PRINTF("-42", "%d", -42);
-  EXPECT_PRINTF("-42", "%i", -42);
-  unsigned u = 0 - 42u;
-  EXPECT_PRINTF(fmt::format("{}", u), "%u", -42);
-  EXPECT_PRINTF(fmt::format("{:o}", u), "%o", -42);
-  EXPECT_PRINTF(fmt::format("{:x}", u), "%x", -42);
-  EXPECT_PRINTF(fmt::format("{:X}", u), "%X", -42);
-}
-
-TEST(printf_test, long_long) {
-  // fmt::printf allows passing long long arguments to %d without length
-  // specifiers.
-  long long max = max_value<long long>();
-  EXPECT_PRINTF(fmt::format("{}", max), "%d", max);
-}
-
-TEST(printf_test, float) {
-  EXPECT_PRINTF("392.650000", "%f", 392.65);
-  EXPECT_PRINTF("392.65", "%.2f", 392.65);
-  EXPECT_PRINTF("392.6", "%.1f", 392.65);
-  EXPECT_PRINTF("393", "%.f", 392.65);
-  EXPECT_PRINTF("392.650000", "%F", 392.65);
-  char buffer[256];
-  safe_sprintf(buffer, "%e", 392.65);
-  EXPECT_PRINTF(buffer, "%e", 392.65);
-  safe_sprintf(buffer, "%E", 392.65);
-  EXPECT_PRINTF(buffer, "%E", 392.65);
-  EXPECT_PRINTF("392.65", "%g", 392.65);
-  EXPECT_PRINTF("392.65", "%G", 392.65);
-  EXPECT_PRINTF("392", "%g", 392.0);
-  EXPECT_PRINTF("392", "%G", 392.0);
-  EXPECT_PRINTF("4.56e-07", "%g", 0.000000456);
-  safe_sprintf(buffer, "%a", -392.65);
-  EXPECT_EQ(buffer, format("{:a}", -392.65));
-  safe_sprintf(buffer, "%A", -392.65);
-  EXPECT_EQ(buffer, format("{:A}", -392.65));
-}
-
-TEST(printf_test, inf) {
-  double inf = std::numeric_limits<double>::infinity();
-  for (const char* type = "fega"; *type; ++type) {
-    EXPECT_PRINTF("inf", fmt::format("%{}", *type), inf);
-    char upper = static_cast<char>(std::toupper(*type));
-    EXPECT_PRINTF("INF", fmt::format("%{}", upper), inf);
-  }
-}
-
-TEST(printf_test, char) {
-  EXPECT_PRINTF("x", "%c", 'x');
-  int max = max_value<int>();
-  EXPECT_PRINTF(fmt::format("{}", static_cast<char>(max)), "%c", max);
-  // EXPECT_PRINTF("x", "%lc", L'x');
-  EXPECT_PRINTF(L"x", L"%c", L'x');
-  EXPECT_PRINTF(fmt::format(L"{}", static_cast<wchar_t>(max)), L"%c", max);
-}
-
-TEST(printf_test, string) {
-  EXPECT_PRINTF("abc", "%s", "abc");
-  const char* null_str = nullptr;
-  EXPECT_PRINTF("(null)", "%s", null_str);
-  EXPECT_PRINTF("    (null)", "%10s", null_str);
-  EXPECT_PRINTF(L"abc", L"%s", L"abc");
-  const wchar_t* null_wstr = nullptr;
-  EXPECT_PRINTF(L"(null)", L"%s", null_wstr);
-  EXPECT_PRINTF(L"    (null)", L"%10s", null_wstr);
-}
-
-TEST(printf_test, pointer) {
-  int n;
-  void* p = &n;
-  EXPECT_PRINTF(fmt::format("{}", p), "%p", p);
-  p = nullptr;
-  EXPECT_PRINTF("(nil)", "%p", p);
-  EXPECT_PRINTF("     (nil)", "%10p", p);
-  const char* s = "test";
-  EXPECT_PRINTF(fmt::format("{:p}", s), "%p", s);
-  const char* null_str = nullptr;
-  EXPECT_PRINTF("(nil)", "%p", null_str);
-
-  p = &n;
-  EXPECT_PRINTF(fmt::format(L"{}", p), L"%p", p);
-  p = nullptr;
-  EXPECT_PRINTF(L"(nil)", L"%p", p);
-  EXPECT_PRINTF(L"     (nil)", L"%10p", p);
-  const wchar_t* w = L"test";
-  EXPECT_PRINTF(fmt::format(L"{:p}", w), L"%p", w);
-  const wchar_t* null_wstr = nullptr;
-  EXPECT_PRINTF(L"(nil)", L"%p", null_wstr);
-}
-
-enum test_enum { answer = 42 };
-auto format_as(test_enum e) -> int { return e; }
-
-TEST(printf_test, enum) {
-  EXPECT_PRINTF("42", "%d", answer);
-  volatile test_enum volatile_enum = answer;
-  EXPECT_PRINTF("42", "%d", volatile_enum);
-}
-
-#if FMT_USE_FCNTL
-TEST(printf_test, examples) {
-  const char* weekday = "Thursday";
-  const char* month = "August";
-  int day = 21;
-  EXPECT_WRITE(stdout, fmt::printf("%1$s, %3$d %2$s", weekday, month, day),
-               "Thursday, 21 August");
-}
-
-TEST(printf_test, printf_error) {
-  fmt::file read_end, write_end;
-  fmt::file::pipe(read_end, write_end);
-  int result = fmt::fprintf(read_end.fdopen("r").get(), "test");
-  EXPECT_LT(result, 0);
-}
-#endif
-
-TEST(printf_test, wide_string) {
-  EXPECT_EQ(L"abc", fmt::sprintf(L"%s", L"abc"));
-}
-
-TEST(printf_test, vprintf) {
-  fmt::format_arg_store<fmt::printf_context, int> as{42};
-  fmt::basic_format_args<fmt::printf_context> args(as);
-  EXPECT_EQ(fmt::vsprintf("%d", args), "42");
-  EXPECT_WRITE(stdout, fmt::vprintf("%d", args), "42");
-  EXPECT_WRITE(stdout, fmt::vfprintf(stdout, "%d", args), "42");
-}
-
-template <typename... Args>
-void check_format_string_regression(fmt::string_view s, const Args&... args) {
-  fmt::sprintf(s, args...);
-}
-
-TEST(printf_test, check_format_string_regression) {
-  check_format_string_regression("%c%s", 'x', "");
-}
-
-TEST(printf_test, fixed_large_exponent) {
-  EXPECT_EQ("1000000000000000000000", fmt::sprintf("%.*f", -13, 1e21));
-}
-
-TEST(printf_test, vsprintf_make_args_example) {
-  fmt::format_arg_store<fmt::printf_context, int, const char*> as{42,
-                                                                  "something"};
-  fmt::basic_format_args<fmt::printf_context> args(as);
-  EXPECT_EQ("[42] something happened", fmt::vsprintf("[%d] %s happened", args));
-  auto as2 = fmt::make_printf_args(42, "something");
-  fmt::basic_format_args<fmt::printf_context> args2(as2);
-  EXPECT_EQ("[42] something happened",
-            fmt::vsprintf("[%d] %s happened", args2));
-  EXPECT_EQ("[42] something happened",
-            fmt::vsprintf("[%d] %s happened",
-                          {fmt::make_printf_args(42, "something")}));
-}
-
-TEST(printf_test, vsprintf_make_wargs_example) {
-  fmt::format_arg_store<fmt::wprintf_context, int, const wchar_t*> as{
-      42, L"something"};
-  fmt::basic_format_args<fmt::wprintf_context> args(as);
-  EXPECT_EQ(L"[42] something happened",
-            fmt::vsprintf(L"[%d] %s happened", args));
-  auto as2 = fmt::make_wprintf_args(42, L"something");
-  fmt::basic_format_args<fmt::wprintf_context> args2(as2);
-  EXPECT_EQ(L"[42] something happened",
-            fmt::vsprintf(L"[%d] %s happened", args2));
-  EXPECT_EQ(L"[42] something happened",
-            fmt::vsprintf(L"[%d] %s happened",
-                          {fmt::make_wprintf_args(42, L"something")}));
-}
diff --git a/third_party/fmt-9.1.0/test/ranges-odr-test.cc b/third_party/fmt-9.1.0/test/ranges-odr-test.cc
deleted file mode 100644
index 031354d3..00000000
--- a/third_party/fmt-9.1.0/test/ranges-odr-test.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Formatting library for C++ - the core API
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <vector>
-
-#include "fmt/ranges.h"
-#include "gtest/gtest.h"
-
-// call fmt::format from another translation unit to test ODR
-TEST(ranges_odr_test, format_vector) {
-  auto v = std::vector<int>{1, 2, 3, 5, 7, 11};
-  EXPECT_EQ(fmt::format("{}", v), "[1, 2, 3, 5, 7, 11]");
-}
diff --git a/third_party/fmt-9.1.0/test/ranges-test.cc b/third_party/fmt-9.1.0/test/ranges-test.cc
deleted file mode 100644
index 3221e2ed..00000000
--- a/third_party/fmt-9.1.0/test/ranges-test.cc
+++ /dev/null
@@ -1,424 +0,0 @@
-// Formatting library for C++ - the core API
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-//
-// Copyright (c) 2018 - present, Remotion (Igor Schulz)
-// All Rights Reserved
-// {fmt} support for ranges, containers and types tuple interface.
-
-#include "fmt/ranges.h"
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "gtest/gtest.h"
-
-#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 601
-#  define FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
-#endif
-
-#if !FMT_MSC_VERSION || FMT_MSC_VERSION > 1910
-#  define FMT_RANGES_TEST_ENABLE_JOIN
-#  define FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
-#endif
-
-#ifdef FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
-TEST(ranges_test, format_array) {
-  int arr[] = {1, 2, 3, 5, 7, 11};
-  EXPECT_EQ(fmt::format("{}", arr), "[1, 2, 3, 5, 7, 11]");
-}
-
-TEST(ranges_test, format_2d_array) {
-  int arr[][2] = {{1, 2}, {3, 5}, {7, 11}};
-  EXPECT_EQ(fmt::format("{}", arr), "[[1, 2], [3, 5], [7, 11]]");
-}
-
-TEST(ranges_test, format_array_of_literals) {
-  const char* arr[] = {"1234", "abcd"};
-  EXPECT_EQ(fmt::format("{}", arr), "[\"1234\", \"abcd\"]");
-  EXPECT_EQ(fmt::format("{:n}", arr), "\"1234\", \"abcd\"");
-  EXPECT_EQ(fmt::format("{:n:}", arr), "1234, abcd");
-}
-#endif  // FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
-
-TEST(ranges_test, format_vector) {
-  auto v = std::vector<int>{1, 2, 3, 5, 7, 11};
-  EXPECT_EQ(fmt::format("{}", v), "[1, 2, 3, 5, 7, 11]");
-  EXPECT_EQ(fmt::format("{::#x}", v), "[0x1, 0x2, 0x3, 0x5, 0x7, 0xb]");
-  EXPECT_EQ(fmt::format("{:n:#x}", v), "0x1, 0x2, 0x3, 0x5, 0x7, 0xb");
-}
-
-TEST(ranges_test, format_vector2) {
-  auto v = std::vector<std::vector<int>>{{1, 2}, {3, 5}, {7, 11}};
-  EXPECT_EQ(fmt::format("{}", v), "[[1, 2], [3, 5], [7, 11]]");
-  EXPECT_EQ(fmt::format("{:::#x}", v), "[[0x1, 0x2], [0x3, 0x5], [0x7, 0xb]]");
-  EXPECT_EQ(fmt::format("{:n:n:#x}", v), "0x1, 0x2, 0x3, 0x5, 0x7, 0xb");
-}
-
-TEST(ranges_test, format_map) {
-  auto m = std::map<std::string, int>{{"one", 1}, {"two", 2}};
-  EXPECT_EQ(fmt::format("{}", m), "{\"one\": 1, \"two\": 2}");
-  EXPECT_EQ(fmt::format("{:n}", m), "\"one\": 1, \"two\": 2");
-}
-
-TEST(ranges_test, format_set) {
-  EXPECT_EQ(fmt::format("{}", std::set<std::string>{"one", "two"}),
-            "{\"one\", \"two\"}");
-}
-
-namespace adl {
-struct box {
-  int value;
-};
-
-auto begin(const box& b) -> const int* { return &b.value; }
-
-auto end(const box& b) -> const int* { return &b.value + 1; }
-}  // namespace adl
-
-TEST(ranges_test, format_adl_begin_end) {
-  auto b = adl::box{42};
-  EXPECT_EQ(fmt::format("{}", b), "[42]");
-}
-
-TEST(ranges_test, format_pair) {
-  auto p = std::pair<int, float>(42, 1.5f);
-  EXPECT_EQ(fmt::format("{}", p), "(42, 1.5)");
-}
-
-struct unformattable {};
-
-TEST(ranges_test, format_tuple) {
-  auto t =
-      std::tuple<int, float, std::string, char>(42, 1.5f, "this is tuple", 'i');
-  EXPECT_EQ(fmt::format("{}", t), "(42, 1.5, \"this is tuple\", 'i')");
-  EXPECT_EQ(fmt::format("{}", std::tuple<>()), "()");
-
-  EXPECT_TRUE((fmt::is_formattable<std::tuple<>>::value));
-  EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::tuple<unformattable>>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::tuple<unformattable, int>>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::tuple<int, unformattable>>::value));
-  EXPECT_FALSE(
-      (fmt::is_formattable<std::tuple<unformattable, unformattable>>::value));
-  EXPECT_TRUE((fmt::is_formattable<std::tuple<int, float>>::value));
-}
-
-#ifdef FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
-struct tuple_like {
-  int i;
-  std::string str;
-
-  template <size_t N> fmt::enable_if_t<N == 0, int> get() const noexcept {
-    return i;
-  }
-  template <size_t N>
-  fmt::enable_if_t<N == 1, fmt::string_view> get() const noexcept {
-    return str;
-  }
-};
-
-template <size_t N>
-auto get(const tuple_like& t) noexcept -> decltype(t.get<N>()) {
-  return t.get<N>();
-}
-
-namespace std {
-template <>
-struct tuple_size<tuple_like> : std::integral_constant<size_t, 2> {};
-
-template <size_t N> struct tuple_element<N, tuple_like> {
-  using type = decltype(std::declval<tuple_like>().get<N>());
-};
-}  // namespace std
-
-TEST(ranges_test, format_struct) {
-  auto t = tuple_like{42, "foo"};
-  EXPECT_EQ(fmt::format("{}", t), "(42, \"foo\")");
-}
-#endif  // FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
-
-TEST(ranges_test, format_to) {
-  char buf[10];
-  auto end = fmt::format_to(buf, "{}", std::vector<int>{1, 2, 3});
-  *end = '\0';
-  EXPECT_STREQ(buf, "[1, 2, 3]");
-}
-
-struct path_like {
-  const path_like* begin() const;
-  const path_like* end() const;
-
-  operator std::string() const;
-};
-
-TEST(ranges_test, path_like) {
-  EXPECT_FALSE((fmt::is_range<path_like, char>::value));
-}
-
-#ifdef FMT_USE_STRING_VIEW
-struct string_like {
-  const char* begin();
-  const char* end();
-  operator fmt::string_view() const { return "foo"; }
-  operator std::string_view() const { return "foo"; }
-};
-
-TEST(ranges_test, format_string_like) {
-  EXPECT_EQ(fmt::format("{}", string_like()), "foo");
-}
-#endif  // FMT_USE_STRING_VIEW
-
-// A range that provides non-const only begin()/end() to test fmt::join handles
-// that.
-//
-// Some ranges (e.g. those produced by range-v3's views::filter()) can cache
-// information during iteration so they only provide non-const begin()/end().
-template <typename T> class non_const_only_range {
- private:
-  std::vector<T> vec;
-
- public:
-  using const_iterator = typename ::std::vector<T>::const_iterator;
-
-  template <typename... Args>
-  explicit non_const_only_range(Args&&... args)
-      : vec(std::forward<Args>(args)...) {}
-
-  const_iterator begin() { return vec.begin(); }
-  const_iterator end() { return vec.end(); }
-};
-
-template <typename T> class noncopyable_range {
- private:
-  std::vector<T> vec;
-
- public:
-  using const_iterator = typename ::std::vector<T>::const_iterator;
-
-  template <typename... Args>
-  explicit noncopyable_range(Args&&... args)
-      : vec(std::forward<Args>(args)...) {}
-
-  noncopyable_range(noncopyable_range const&) = delete;
-  noncopyable_range(noncopyable_range&) = delete;
-
-  const_iterator begin() const { return vec.begin(); }
-  const_iterator end() const { return vec.end(); }
-};
-
-TEST(ranges_test, range) {
-  noncopyable_range<int> w(3u, 0);
-  EXPECT_EQ(fmt::format("{}", w), "[0, 0, 0]");
-  EXPECT_EQ(fmt::format("{}", noncopyable_range<int>(3u, 0)), "[0, 0, 0]");
-
-  non_const_only_range<int> x(3u, 0);
-  EXPECT_EQ(fmt::format("{}", x), "[0, 0, 0]");
-  EXPECT_EQ(fmt::format("{}", non_const_only_range<int>(3u, 0)), "[0, 0, 0]");
-
-  auto y = std::vector<int>(3u, 0);
-  EXPECT_EQ(fmt::format("{}", y), "[0, 0, 0]");
-  EXPECT_EQ(fmt::format("{}", std::vector<int>(3u, 0)), "[0, 0, 0]");
-
-  const auto z = std::vector<int>(3u, 0);
-  EXPECT_EQ(fmt::format("{}", z), "[0, 0, 0]");
-}
-
-enum test_enum { foo };
-auto format_as(test_enum e) -> int { return e; }
-
-TEST(ranges_test, enum_range) {
-  auto v = std::vector<test_enum>{test_enum::foo};
-  EXPECT_EQ(fmt::format("{}", v), "[0]");
-}
-
-#if !FMT_MSC_VERSION
-
-TEST(ranges_test, unformattable_range) {
-  EXPECT_FALSE((fmt::has_formatter<std::vector<unformattable>,
-                                   fmt::format_context>::value));
-}
-#endif
-
-#ifdef FMT_RANGES_TEST_ENABLE_JOIN
-TEST(ranges_test, join_tuple) {
-  // Value tuple args.
-  auto t1 = std::tuple<char, int, float>('a', 1, 2.0f);
-  EXPECT_EQ(fmt::format("({})", fmt::join(t1, ", ")), "(a, 1, 2)");
-
-  // Testing lvalue tuple args.
-  int x = 4;
-  auto t2 = std::tuple<char, int&>('b', x);
-  EXPECT_EQ(fmt::format("{}", fmt::join(t2, " + ")), "b + 4");
-
-  // Empty tuple.
-  auto t3 = std::tuple<>();
-  EXPECT_EQ(fmt::format("{}", fmt::join(t3, "|")), "");
-
-  // Single element tuple.
-  auto t4 = std::tuple<float>(4.0f);
-  EXPECT_EQ(fmt::format("{}", fmt::join(t4, "/")), "4");
-
-#  if FMT_TUPLE_JOIN_SPECIFIERS
-  // Specs applied to each element.
-  auto t5 = std::tuple<int, int, long>(-3, 100, 1);
-  EXPECT_EQ(fmt::format("{:+03}", fmt::join(t5, ", ")), "-03, +100, +01");
-
-  auto t6 = std::tuple<float, double, long double>(3, 3.14, 3.1415);
-  EXPECT_EQ(fmt::format("{:5.5f}", fmt::join(t6, ", ")),
-            "3.00000, 3.14000, 3.14150");
-
-  // Testing lvalue tuple args.
-  int y = -1;
-  auto t7 = std::tuple<int, int&, const int&>(3, y, y);
-  EXPECT_EQ(fmt::format("{:03}", fmt::join(t7, ", ")), "003, -01, -01");
-#  endif
-}
-
-TEST(ranges_test, join_initializer_list) {
-  EXPECT_EQ(fmt::format("{}", fmt::join({1, 2, 3}, ", ")), "1, 2, 3");
-  EXPECT_EQ(fmt::format("{}", fmt::join({"fmt", "rocks", "!"}, " ")),
-            "fmt rocks !");
-}
-
-struct zstring_sentinel {};
-
-bool operator==(const char* p, zstring_sentinel) { return *p == '\0'; }
-bool operator!=(const char* p, zstring_sentinel) { return *p != '\0'; }
-
-struct zstring {
-  const char* p;
-  const char* begin() const { return p; }
-  zstring_sentinel end() const { return {}; }
-};
-
-#  ifdef __cpp_lib_ranges
-struct cpp20_only_range {
-  struct iterator {
-    int val = 0;
-
-    using value_type = int;
-    using difference_type = std::ptrdiff_t;
-    using iterator_concept = std::input_iterator_tag;
-
-    iterator() = default;
-    iterator(int i) : val(i) {}
-    int operator*() const { return val; }
-    iterator& operator++() {
-      ++val;
-      return *this;
-    }
-    void operator++(int) { ++*this; }
-    bool operator==(const iterator& rhs) const { return val == rhs.val; }
-  };
-
-  int lo;
-  int hi;
-
-  iterator begin() const { return iterator(lo); }
-  iterator end() const { return iterator(hi); }
-};
-
-static_assert(std::input_iterator<cpp20_only_range::iterator>);
-#  endif
-
-TEST(ranges_test, join_sentinel) {
-  auto hello = zstring{"hello"};
-  EXPECT_EQ(fmt::format("{}", hello), "['h', 'e', 'l', 'l', 'o']");
-  EXPECT_EQ(fmt::format("{::}", hello), "[h, e, l, l, o]");
-  EXPECT_EQ(fmt::format("{}", fmt::join(hello, "_")), "h_e_l_l_o");
-}
-
-TEST(ranges_test, join_range) {
-  noncopyable_range<int> w(3u, 0);
-  EXPECT_EQ(fmt::format("{}", fmt::join(w, ",")), "0,0,0");
-  EXPECT_EQ(fmt::format("{}", fmt::join(noncopyable_range<int>(3u, 0), ",")),
-            "0,0,0");
-
-  non_const_only_range<int> x(3u, 0);
-  EXPECT_EQ(fmt::format("{}", fmt::join(x, ",")), "0,0,0");
-  EXPECT_EQ(fmt::format("{}", fmt::join(non_const_only_range<int>(3u, 0), ",")),
-            "0,0,0");
-
-  auto y = std::vector<int>(3u, 0);
-  EXPECT_EQ(fmt::format("{}", fmt::join(y, ",")), "0,0,0");
-  EXPECT_EQ(fmt::format("{}", fmt::join(std::vector<int>(3u, 0), ",")),
-            "0,0,0");
-
-  const auto z = std::vector<int>(3u, 0);
-  EXPECT_EQ(fmt::format("{}", fmt::join(z, ",")), "0,0,0");
-
-#  ifdef __cpp_lib_ranges
-  EXPECT_EQ(fmt::format("{}", cpp20_only_range{.lo = 0, .hi = 5}),
-            "[0, 1, 2, 3, 4]");
-  EXPECT_EQ(
-      fmt::format("{}", fmt::join(cpp20_only_range{.lo = 0, .hi = 5}, ",")),
-      "0,1,2,3,4");
-#  endif
-}
-#endif  // FMT_RANGES_TEST_ENABLE_JOIN
-
-TEST(ranges_test, is_printable) {
-  using fmt::detail::is_printable;
-  EXPECT_TRUE(is_printable(0x0323));
-  EXPECT_FALSE(is_printable(0x0378));
-  EXPECT_FALSE(is_printable(0x110000));
-}
-
-TEST(ranges_test, escape_string) {
-  using vec = std::vector<std::string>;
-  EXPECT_EQ(fmt::format("{}", vec{"\n\r\t\"\\"}), "[\"\\n\\r\\t\\\"\\\\\"]");
-  EXPECT_EQ(fmt::format("{}", vec{"\x07"}), "[\"\\x07\"]");
-  EXPECT_EQ(fmt::format("{}", vec{"\x7f"}), "[\"\\x7f\"]");
-  EXPECT_EQ(fmt::format("{}", vec{"n\xcc\x83"}), "[\"n\xcc\x83\"]");
-
-  if (fmt::detail::is_utf8()) {
-    EXPECT_EQ(fmt::format("{}", vec{"\xcd\xb8"}), "[\"\\u0378\"]");
-    // Unassigned Unicode code points.
-    EXPECT_EQ(fmt::format("{}", vec{"\xf0\xaa\x9b\x9e"}), "[\"\\U0002a6de\"]");
-    // Broken utf-8.
-    EXPECT_EQ(fmt::format("{}", vec{"\xf4\x8f\xbf\xc0"}),
-              "[\"\\xf4\\x8f\\xbf\\xc0\"]");
-    EXPECT_EQ(fmt::format("{}", vec{"\xf0\x28"}), "[\"\\xf0(\"]");
-    EXPECT_EQ(fmt::format("{}", vec{"\xe1\x28"}), "[\"\\xe1(\"]");
-    EXPECT_EQ(fmt::format("{}", vec{std::string("\xf0\x28\0\0anything", 12)}),
-              "[\"\\xf0(\\x00\\x00anything\"]");
-
-    // Correct utf-8.
-    EXPECT_EQ(fmt::format("{}", vec{"понедельник"}), "[\"понедельник\"]");
-  }
-}
-
-#ifdef FMT_USE_STRING_VIEW
-struct convertible_to_string_view {
-  operator std::string_view() const { return "foo"; }
-};
-
-TEST(ranges_test, escape_convertible_to_string_view) {
-  EXPECT_EQ(fmt::format("{}", std::vector<convertible_to_string_view>(1)),
-            "[\"foo\"]");
-}
-#endif  // FMT_USE_STRING_VIEW
-
-template <typename R> struct fmt_ref_view {
-  R* r;
-
-  auto begin() const -> decltype(r->begin()) { return r->begin(); }
-  auto end() const -> decltype(r->end()) { return r->end(); }
-};
-
-TEST(ranges_test, range_of_range_of_mixed_const) {
-  std::vector<std::vector<int>> v = {{1, 2, 3}, {4, 5}};
-  EXPECT_EQ(fmt::format("{}", v), "[[1, 2, 3], [4, 5]]");
-
-  fmt_ref_view<decltype(v)> r{&v};
-  EXPECT_EQ(fmt::format("{}", r), "[[1, 2, 3], [4, 5]]");
-}
-
-TEST(ranges_test, vector_char) {
-  EXPECT_EQ(fmt::format("{}", std::vector<char>{'a', 'b'}), "['a', 'b']");
-}
diff --git a/third_party/fmt-9.1.0/test/scan-test.cc b/third_party/fmt-9.1.0/test/scan-test.cc
deleted file mode 100644
index 7e327ea3..00000000
--- a/third_party/fmt-9.1.0/test/scan-test.cc
+++ /dev/null
@@ -1,116 +0,0 @@
-// Formatting library for C++ - scanning API test
-//
-// Copyright (c) 2019 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "scan.h"
-
-#include <time.h>
-
-#include <climits>
-
-#include "gmock/gmock.h"
-#include "gtest-extra.h"
-
-TEST(scan_test, read_text) {
-  auto s = fmt::string_view("foo");
-  auto end = fmt::scan(s, "foo");
-  EXPECT_EQ(end, s.end());
-  EXPECT_THROW_MSG(fmt::scan("fob", "foo"), fmt::format_error, "invalid input");
-}
-
-TEST(scan_test, read_int) {
-  auto n = int();
-  fmt::scan("42", "{}", n);
-  EXPECT_EQ(n, 42);
-  fmt::scan("-42", "{}", n);
-  EXPECT_EQ(n, -42);
-}
-
-TEST(scan_test, read_longlong) {
-  long long n = 0;
-  fmt::scan("42", "{}", n);
-  EXPECT_EQ(n, 42);
-  fmt::scan("-42", "{}", n);
-  EXPECT_EQ(n, -42);
-}
-
-TEST(scan_test, read_uint) {
-  auto n = unsigned();
-  fmt::scan("42", "{}", n);
-  EXPECT_EQ(n, 42);
-  EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
-                   "invalid input");
-}
-
-TEST(scan_test, read_ulonglong) {
-  unsigned long long n = 0;
-  fmt::scan("42", "{}", n);
-  EXPECT_EQ(n, 42);
-  EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
-                   "invalid input");
-}
-
-TEST(scan_test, read_string) {
-  auto s = std::string();
-  fmt::scan("foo", "{}", s);
-  EXPECT_EQ(s, "foo");
-}
-
-TEST(scan_test, read_string_view) {
-  auto s = fmt::string_view();
-  fmt::scan("foo", "{}", s);
-  EXPECT_EQ(s, "foo");
-}
-
-#ifndef _WIN32
-namespace fmt {
-template <> struct scanner<tm> {
-  std::string format;
-
-  scan_parse_context::iterator parse(scan_parse_context& ctx) {
-    auto it = ctx.begin();
-    if (it != ctx.end() && *it == ':') ++it;
-    auto end = it;
-    while (end != ctx.end() && *end != '}') ++end;
-    format.reserve(detail::to_unsigned(end - it + 1));
-    format.append(it, end);
-    format.push_back('\0');
-    return end;
-  }
-
-  template <class ScanContext>
-  typename ScanContext::iterator scan(tm& t, ScanContext& ctx) {
-    auto result = strptime(ctx.begin(), format.c_str(), &t);
-    if (!result) throw format_error("failed to parse time");
-    return result;
-  }
-};
-}  // namespace fmt
-
-TEST(scan_test, read_custom) {
-  auto input = "Date: 1985-10-25";
-  auto t = tm();
-  fmt::scan(input, "Date: {0:%Y-%m-%d}", t);
-  EXPECT_EQ(t.tm_year, 85);
-  EXPECT_EQ(t.tm_mon, 9);
-  EXPECT_EQ(t.tm_mday, 25);
-}
-#endif
-
-TEST(scan_test, invalid_format) {
-  EXPECT_THROW_MSG(fmt::scan("", "{}"), fmt::format_error,
-                   "argument index out of range");
-  EXPECT_THROW_MSG(fmt::scan("", "{"), fmt::format_error,
-                   "invalid format string");
-}
-
-TEST(scan_test, example) {
-  auto key = std::string();
-  auto value = int();
-  fmt::scan("answer = 42", "{} = {}", key, value);
-  EXPECT_EQ(key, "answer");
-  EXPECT_EQ(value, 42);
-}
diff --git a/third_party/fmt-9.1.0/test/scan.h b/third_party/fmt-9.1.0/test/scan.h
deleted file mode 100644
index 41748ae8..00000000
--- a/third_party/fmt-9.1.0/test/scan.h
+++ /dev/null
@@ -1,241 +0,0 @@
-// Formatting library for C++ - scanning API proof of concept
-//
-// Copyright (c) 2019 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <array>
-#include <cassert>
-#include <climits>
-
-#include "fmt/format.h"
-
-FMT_BEGIN_NAMESPACE
-template <typename T, typename Char = char> struct scanner {
-  // A deleted default constructor indicates a disabled scanner.
-  scanner() = delete;
-};
-
-class scan_parse_context {
- private:
-  string_view format_;
-
- public:
-  using iterator = string_view::iterator;
-
-  explicit FMT_CONSTEXPR scan_parse_context(string_view format)
-      : format_(format) {}
-
-  FMT_CONSTEXPR iterator begin() const { return format_.begin(); }
-  FMT_CONSTEXPR iterator end() const { return format_.end(); }
-
-  void advance_to(iterator it) {
-    format_.remove_prefix(detail::to_unsigned(it - begin()));
-  }
-};
-
-struct scan_context {
- private:
-  string_view input_;
-
- public:
-  using iterator = const char*;
-
-  explicit scan_context(string_view input) : input_(input) {}
-
-  iterator begin() const { return input_.data(); }
-  iterator end() const { return begin() + input_.size(); }
-
-  void advance_to(iterator it) {
-    input_.remove_prefix(detail::to_unsigned(it - begin()));
-  }
-};
-
-namespace detail {
-enum class scan_type {
-  none_type,
-  int_type,
-  uint_type,
-  long_long_type,
-  ulong_long_type,
-  string_type,
-  string_view_type,
-  custom_type
-};
-
-struct custom_scan_arg {
-  void* value;
-  void (*scan)(void* arg, scan_parse_context& parse_ctx, scan_context& ctx);
-};
-
-class scan_arg {
- public:
-  scan_type type;
-  union {
-    int* int_value;
-    unsigned* uint_value;
-    long long* long_long_value;
-    unsigned long long* ulong_long_value;
-    std::string* string;
-    fmt::string_view* string_view;
-    custom_scan_arg custom;
-    // TODO: more types
-  };
-
-  scan_arg() : type(scan_type::none_type) {}
-  scan_arg(int& value) : type(scan_type::int_type), int_value(&value) {}
-  scan_arg(unsigned& value) : type(scan_type::uint_type), uint_value(&value) {}
-  scan_arg(long long& value)
-      : type(scan_type::long_long_type), long_long_value(&value) {}
-  scan_arg(unsigned long long& value)
-      : type(scan_type::ulong_long_type), ulong_long_value(&value) {}
-  scan_arg(std::string& value) : type(scan_type::string_type), string(&value) {}
-  scan_arg(fmt::string_view& value)
-      : type(scan_type::string_view_type), string_view(&value) {}
-  template <typename T> scan_arg(T& value) : type(scan_type::custom_type) {
-    custom.value = &value;
-    custom.scan = scan_custom_arg<T>;
-  }
-
- private:
-  template <typename T>
-  static void scan_custom_arg(void* arg, scan_parse_context& parse_ctx,
-                              scan_context& ctx) {
-    scanner<T> s;
-    parse_ctx.advance_to(s.parse(parse_ctx));
-    ctx.advance_to(s.scan(*static_cast<T*>(arg), ctx));
-  }
-};
-}  // namespace detail
-
-struct scan_args {
-  int size;
-  const detail::scan_arg* data;
-
-  template <size_t N>
-  scan_args(const std::array<detail::scan_arg, N>& store)
-      : size(N), data(store.data()) {
-    static_assert(N < INT_MAX, "too many arguments");
-  }
-};
-
-namespace detail {
-
-struct scan_handler : error_handler {
- private:
-  scan_parse_context parse_ctx_;
-  scan_context scan_ctx_;
-  scan_args args_;
-  int next_arg_id_;
-  scan_arg arg_;
-
-  template <typename T = unsigned> T read_uint() {
-    T value = 0;
-    auto it = scan_ctx_.begin(), end = scan_ctx_.end();
-    while (it != end) {
-      char c = *it++;
-      if (c < '0' || c > '9') on_error("invalid input");
-      // TODO: check overflow
-      value = value * 10 + static_cast<unsigned>(c - '0');
-    }
-    scan_ctx_.advance_to(it);
-    return value;
-  }
-
-  template <typename T = int> T read_int() {
-    auto it = scan_ctx_.begin(), end = scan_ctx_.end();
-    bool negative = it != end && *it == '-';
-    if (negative) ++it;
-    scan_ctx_.advance_to(it);
-    const auto value = read_uint<typename std::make_unsigned<T>::type>();
-    if (negative) return -static_cast<T>(value);
-    return static_cast<T>(value);
-  }
-
- public:
-  scan_handler(string_view format, string_view input, scan_args args)
-      : parse_ctx_(format), scan_ctx_(input), args_(args), next_arg_id_(0) {}
-
-  const char* pos() const { return scan_ctx_.begin(); }
-
-  void on_text(const char* begin, const char* end) {
-    auto size = to_unsigned(end - begin);
-    auto it = scan_ctx_.begin();
-    if (it + size > scan_ctx_.end() ||
-        !std::equal(begin, end, make_checked(it, size))) {
-      on_error("invalid input");
-    }
-    scan_ctx_.advance_to(it + size);
-  }
-
-  FMT_CONSTEXPR int on_arg_id() { return on_arg_id(next_arg_id_++); }
-  FMT_CONSTEXPR int on_arg_id(int id) {
-    if (id >= args_.size) on_error("argument index out of range");
-    arg_ = args_.data[id];
-    return id;
-  }
-  FMT_CONSTEXPR int on_arg_id(string_view id) {
-    if (id.data()) on_error("invalid format");
-    return 0;
-  }
-
-  void on_replacement_field(int, const char*) {
-    auto it = scan_ctx_.begin(), end = scan_ctx_.end();
-    switch (arg_.type) {
-    case scan_type::int_type:
-      *arg_.int_value = read_int();
-      break;
-    case scan_type::uint_type:
-      *arg_.uint_value = read_uint();
-      break;
-    case scan_type::long_long_type:
-      *arg_.long_long_value = read_int<long long>();
-      break;
-    case scan_type::ulong_long_type:
-      *arg_.ulong_long_value = read_uint<unsigned long long>();
-      break;
-    case scan_type::string_type:
-      while (it != end && *it != ' ') arg_.string->push_back(*it++);
-      scan_ctx_.advance_to(it);
-      break;
-    case scan_type::string_view_type: {
-      auto s = it;
-      while (it != end && *it != ' ') ++it;
-      *arg_.string_view = fmt::string_view(s, to_unsigned(it - s));
-      scan_ctx_.advance_to(it);
-      break;
-    }
-    case scan_type::none_type:
-    case scan_type::custom_type:
-      assert(false);
-    }
-  }
-
-  const char* on_format_specs(int, const char* begin, const char*) {
-    if (arg_.type != scan_type::custom_type) return begin;
-    parse_ctx_.advance_to(begin);
-    arg_.custom.scan(arg_.custom.value, parse_ctx_, scan_ctx_);
-    return parse_ctx_.begin();
-  }
-};
-}  // namespace detail
-
-template <typename... Args>
-std::array<detail::scan_arg, sizeof...(Args)> make_scan_args(Args&... args) {
-  return {{args...}};
-}
-
-string_view::iterator vscan(string_view input, string_view format_str,
-                            scan_args args) {
-  detail::scan_handler h(format_str, input, args);
-  detail::parse_format_string<false>(format_str, h);
-  return input.begin() + (h.pos() - &*input.begin());
-}
-
-template <typename... Args>
-string_view::iterator scan(string_view input, string_view format_str,
-                           Args&... args) {
-  return vscan(input, format_str, make_scan_args(args...));
-}
-FMT_END_NAMESPACE
diff --git a/third_party/fmt-9.1.0/test/static-export-test/CMakeLists.txt b/third_party/fmt-9.1.0/test/static-export-test/CMakeLists.txt
deleted file mode 100644
index 7690d7b5..00000000
--- a/third_party/fmt-9.1.0/test/static-export-test/CMakeLists.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-cmake_minimum_required(VERSION 3.1...3.18)
-
-project(fmt-link CXX)
-
-set(BUILD_SHARED_LIBS OFF)
-set(CMAKE_VISIBILITY_INLINES_HIDDEN TRUE)
-set(CMAKE_CXX_VISIBILITY_PRESET "hidden")
-
-# Broken LTO on GCC 4
-if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
-  set(BROKEN_LTO ON)
-endif ()
-
-if (NOT BROKEN_LTO AND CMAKE_VERSION VERSION_GREATER "3.8")
-  # CMake 3.9+
-  include(CheckIPOSupported)
-  check_ipo_supported(RESULT HAVE_IPO)
-  if (HAVE_IPO)
-    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-  endif ()
-endif ()
-
-add_subdirectory(../.. fmt)
-set_property(TARGET fmt PROPERTY POSITION_INDEPENDENT_CODE ON)
-
-add_library(library-test SHARED library.cc)
-target_link_libraries(library-test PRIVATE fmt::fmt)
-
-add_executable(exe-test main.cc)
-target_link_libraries(exe-test PRIVATE library-test)
diff --git a/third_party/fmt-9.1.0/test/static-export-test/library.cc b/third_party/fmt-9.1.0/test/static-export-test/library.cc
deleted file mode 100644
index fe4801ba..00000000
--- a/third_party/fmt-9.1.0/test/static-export-test/library.cc
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <fmt/compile.h>
-
-__attribute__((visibility("default"))) std::string foo() {
-  return fmt::format(FMT_COMPILE("foo bar {}"), 4242);
-}
diff --git a/third_party/fmt-9.1.0/test/static-export-test/main.cc b/third_party/fmt-9.1.0/test/static-export-test/main.cc
deleted file mode 100644
index 38f7999e..00000000
--- a/third_party/fmt-9.1.0/test/static-export-test/main.cc
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <iostream>
-#include <string>
-
-extern std::string foo();
-
-int main() { std::cout << foo() << std::endl; }
diff --git a/third_party/fmt-9.1.0/test/std-test.cc b/third_party/fmt-9.1.0/test/std-test.cc
deleted file mode 100644
index c22b3e38..00000000
--- a/third_party/fmt-9.1.0/test/std-test.cc
+++ /dev/null
@@ -1,79 +0,0 @@
-// Formatting library for C++ - tests of formatters for standard library types
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/std.h"
-#include "fmt/ranges.h"
-
-#include <string>
-#include <vector>
-
-#include "gtest/gtest.h"
-
-TEST(std_test, path) {
-#ifdef __cpp_lib_filesystem
-  EXPECT_EQ(fmt::format("{:8}", std::filesystem::path("foo")), "\"foo\"   ");
-  EXPECT_EQ(fmt::format("{}", std::filesystem::path("foo\"bar.txt")),
-            "\"foo\\\"bar.txt\"");
-
-#  ifdef _WIN32
-  // File.txt in Russian.
-  const wchar_t unicode_path[] = {0x424, 0x430, 0x439, 0x43b, 0x2e,
-                                  0x74,  0x78,  0x74,  0};
-  const char unicode_u8path[] = {'"',        char(0xd0), char(0xa4), char(0xd0),
-                                 char(0xb0), char(0xd0), char(0xb9), char(0xd0),
-                                 char(0xbb), '.',        't',        'x',
-                                 't',        '"',        '\0'};
-  EXPECT_EQ(fmt::format("{}", std::filesystem::path(unicode_path)),
-            unicode_u8path);
-#  endif
-#endif
-}
-
-TEST(ranges_std_test, format_vector_path) {
-// Test ambiguity problem described in #2954.
-#ifdef __cpp_lib_filesystem
-  auto p = std::filesystem::path("foo/bar.txt");
-  auto c = std::vector<std::string>{"abc", "def"};
-  EXPECT_EQ(fmt::format("path={}, range={}", p, c),
-            "path=\"foo/bar.txt\", range=[\"abc\", \"def\"]");
-#endif
-}
-
-TEST(std_test, thread_id) {
-  EXPECT_FALSE(fmt::format("{}", std::this_thread::get_id()).empty());
-}
-
-TEST(std_test, variant) {
-#ifdef __cpp_lib_variant
-  EXPECT_EQ(fmt::format("{}", std::monostate{}), "monostate");
-  using V0 = std::variant<int, float, std::string, char>;
-  V0 v0(42);
-  V0 v1(1.5f);
-  V0 v2("hello");
-  V0 v3('i');
-  EXPECT_EQ(fmt::format("{}", v0), "variant(42)");
-  EXPECT_EQ(fmt::format("{}", v1), "variant(1.5)");
-  EXPECT_EQ(fmt::format("{}", v2), "variant(\"hello\")");
-  EXPECT_EQ(fmt::format("{}", v3), "variant('i')");
-
-  struct unformattable {};
-  EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable>>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable, int>>::value));
-  EXPECT_FALSE((fmt::is_formattable<std::variant<int, unformattable>>::value));
-  EXPECT_FALSE(
-      (fmt::is_formattable<std::variant<unformattable, unformattable>>::value));
-  EXPECT_TRUE((fmt::is_formattable<std::variant<int, float>>::value));
-
-  using V1 = std::variant<std::monostate, std::string, std::string>;
-  V1 v4{};
-  V1 v5{std::in_place_index<1>, "yes, this is variant"};
-
-  EXPECT_EQ(fmt::format("{}", v4), "variant(monostate)");
-  EXPECT_EQ(fmt::format("{}", v5), "variant(\"yes, this is variant\")");
-#endif
-}
diff --git a/third_party/fmt-9.1.0/test/test-assert.h b/third_party/fmt-9.1.0/test/test-assert.h
deleted file mode 100644
index ab7b2bf7..00000000
--- a/third_party/fmt-9.1.0/test/test-assert.h
+++ /dev/null
@@ -1,39 +0,0 @@
-// Formatting library for C++ - test version of FMT_ASSERT
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#ifndef FMT_TEST_ASSERT_H_
-#define FMT_TEST_ASSERT_H_
-
-#include <stdexcept>
-
-void throw_assertion_failure(const char* message);
-#define FMT_ASSERT(condition, message) \
-  if (!(condition)) throw_assertion_failure(message);
-
-#include "gtest/gtest.h"
-
-class assertion_failure : public std::logic_error {
- public:
-  explicit assertion_failure(const char* message) : std::logic_error(message) {}
-
- private:
-  virtual void avoid_weak_vtable();
-};
-
-void assertion_failure::avoid_weak_vtable() {}
-
-// We use a separate function (rather than throw directly from FMT_ASSERT) to
-// avoid GCC's -Wterminate warning when FMT_ASSERT is used in a destructor.
-inline void throw_assertion_failure(const char* message) {
-  throw assertion_failure(message);
-}
-
-// Expects an assertion failure.
-#define EXPECT_ASSERT(stmt, message) \
-  FMT_TEST_THROW_(stmt, assertion_failure, message, GTEST_NONFATAL_FAILURE_)
-
-#endif  // FMT_TEST_ASSERT_H_
diff --git a/third_party/fmt-9.1.0/test/test-main.cc b/third_party/fmt-9.1.0/test/test-main.cc
deleted file mode 100644
index 39d2789d..00000000
--- a/third_party/fmt-9.1.0/test/test-main.cc
+++ /dev/null
@@ -1,43 +0,0 @@
-// Formatting library for C++ - test main function.
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <cstdlib>
-
-#include "gtest/gtest.h"
-
-#ifdef _WIN32
-#  include <windows.h>
-#endif
-
-#ifdef _MSC_VER
-#  include <crtdbg.h>
-#endif
-
-int main(int argc, char** argv) {
-#ifdef _WIN32
-  // Don't display any error dialogs. This also suppresses message boxes
-  // on assertion failures in MinGW where _set_error_mode/CrtSetReportMode
-  // doesn't help.
-  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
-               SEM_NOOPENFILEERRORBOX);
-#endif
-#ifdef _MSC_VER
-  // Disable message boxes on assertion failures.
-  _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
-  _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
-  _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
-  _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
-#endif
-  try {
-    testing::InitGoogleTest(&argc, argv);
-    testing::FLAGS_gtest_death_test_style = "threadsafe";
-    return RUN_ALL_TESTS();
-  } catch (...) {
-    // Catch all exceptions to make Coverity happy.
-  }
-  return EXIT_FAILURE;
-}
diff --git a/third_party/fmt-9.1.0/test/unicode-test.cc b/third_party/fmt-9.1.0/test/unicode-test.cc
deleted file mode 100644
index e9ea5e5e..00000000
--- a/third_party/fmt-9.1.0/test/unicode-test.cc
+++ /dev/null
@@ -1,48 +0,0 @@
-// Formatting library for C++ - Unicode tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <iomanip>
-#include <locale>
-#include <vector>
-
-#include "fmt/chrono.h"
-#include "gmock/gmock.h"
-#include "util.h"  // get_locale
-
-using testing::Contains;
-
-TEST(unicode_test, is_utf8) { EXPECT_TRUE(fmt::detail::is_utf8()); }
-
-TEST(unicode_test, legacy_locale) {
-  auto loc = get_locale("be_BY.CP1251", "Belarusian_Belarus.1251");
-  if (loc == std::locale::classic()) return;
-
-  auto s = std::string();
-  try {
-    s = fmt::format(loc, "Дзень тыдня: {:L}", fmt::weekday(1));
-  } catch (const fmt::format_error& e) {
-    // Formatting can fail due to an unsupported encoding.
-    fmt::print("Format error: {}\n", e.what());
-    return;
-  }
-
-#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 500
-  auto&& os = std::ostringstream();
-  os.imbue(loc);
-  auto tm = std::tm();
-  tm.tm_wday = 1;
-  os << std::put_time(&tm, "%a");
-  auto wd = os.str();
-  if (wd == "??") {
-    EXPECT_EQ(s, "Дзень тыдня: ??");
-    fmt::print("std::locale gives ?? as a weekday.\n");
-    return;
-  }
-#endif
-  EXPECT_THAT((std::vector<std::string>{"Дзень тыдня: пн", "Дзень тыдня: Пан"}),
-              Contains(s));
-}
diff --git a/third_party/fmt-9.1.0/test/util.cc b/third_party/fmt-9.1.0/test/util.cc
deleted file mode 100644
index f4cb74ca..00000000
--- a/third_party/fmt-9.1.0/test/util.cc
+++ /dev/null
@@ -1,46 +0,0 @@
-// Formatting library for C++ - test utilities
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "util.h"
-
-#include <cstring>
-
-const char* const file_content = "Don't panic!";
-
-fmt::buffered_file open_buffered_file(FILE** fp) {
-#if FMT_USE_FCNTL
-  fmt::file read_end, write_end;
-  fmt::file::pipe(read_end, write_end);
-  write_end.write(file_content, std::strlen(file_content));
-  write_end.close();
-  fmt::buffered_file f = read_end.fdopen("r");
-  if (fp) *fp = f.get();
-#else
-  fmt::buffered_file f("test-file", "w");
-  fputs(file_content, f.get());
-  if (fp) *fp = f.get();
-#endif
-  return f;
-}
-
-std::locale do_get_locale(const char* name) {
-  try {
-    return std::locale(name);
-  } catch (const std::runtime_error&) {
-  }
-  return std::locale::classic();
-}
-
-std::locale get_locale(const char* name, const char* alt_name) {
-  auto loc = do_get_locale(name);
-  if (loc == std::locale::classic() && alt_name) {
-    loc = do_get_locale(alt_name);
-  }
-  if (loc == std::locale::classic())
-    fmt::print(stderr, "{} locale is missing.\n", name);
-  return loc;
-}
diff --git a/third_party/fmt-9.1.0/test/util.h b/third_party/fmt-9.1.0/test/util.h
deleted file mode 100644
index 2e58ad95..00000000
--- a/third_party/fmt-9.1.0/test/util.h
+++ /dev/null
@@ -1,85 +0,0 @@
-// Formatting library for C++ - test utilities
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include <cstdarg>
-#include <cstdio>
-#include <locale>
-#include <string>
-
-#ifdef FMT_MODULE_TEST
-import fmt;
-#else
-#  include "fmt/os.h"
-#endif  // FMT_MODULE_TEST
-
-#ifdef _MSC_VER
-#  define FMT_VSNPRINTF vsprintf_s
-#else
-#  define FMT_VSNPRINTF vsnprintf
-#endif
-
-template <size_t SIZE>
-void safe_sprintf(char (&buffer)[SIZE], const char* format, ...) {
-  std::va_list args;
-  va_start(args, format);
-  FMT_VSNPRINTF(buffer, SIZE, format, args);
-  va_end(args);
-}
-
-extern const char* const file_content;
-
-// Opens a buffered file for reading.
-fmt::buffered_file open_buffered_file(FILE** fp = nullptr);
-
-inline FILE* safe_fopen(const char* filename, const char* mode) {
-#if defined(_WIN32) && !defined(__MINGW32__)
-  // Fix MSVC warning about "unsafe" fopen.
-  FILE* f = nullptr;
-  errno = fopen_s(&f, filename, mode);
-  return f;
-#else
-  return std::fopen(filename, mode);
-#endif
-}
-
-template <typename Char> class basic_test_string {
- private:
-  std::basic_string<Char> value_;
-
-  static const Char empty[];
-
- public:
-  explicit basic_test_string(const Char* value = empty) : value_(value) {}
-
-  const std::basic_string<Char>& value() const { return value_; }
-};
-
-template <typename Char> const Char basic_test_string<Char>::empty[] = {0};
-
-typedef basic_test_string<char> test_string;
-typedef basic_test_string<wchar_t> test_wstring;
-
-template <typename Char>
-std::basic_ostream<Char>& operator<<(std::basic_ostream<Char>& os,
-                                     const basic_test_string<Char>& s) {
-  os << s.value();
-  return os;
-}
-
-class date {
-  int year_, month_, day_;
-
- public:
-  date(int year, int month, int day) : year_(year), month_(month), day_(day) {}
-
-  int year() const { return year_; }
-  int month() const { return month_; }
-  int day() const { return day_; }
-};
-
-// Returns a locale with the given name if available or classic locale othewise.
-std::locale get_locale(const char* name, const char* alt_name = nullptr);
diff --git a/third_party/fmt-9.1.0/test/xchar-test.cc b/third_party/fmt-9.1.0/test/xchar-test.cc
deleted file mode 100644
index 290042a6..00000000
--- a/third_party/fmt-9.1.0/test/xchar-test.cc
+++ /dev/null
@@ -1,521 +0,0 @@
-// Formatting library for C++ - formatting library tests
-//
-// Copyright (c) 2012 - present, Victor Zverovich
-// All rights reserved.
-//
-// For the license information refer to format.h.
-
-#include "fmt/xchar.h"
-
-#include <complex>
-#include <cwchar>
-#include <vector>
-
-#include "fmt/chrono.h"
-#include "fmt/color.h"
-#include "fmt/ostream.h"
-#include "fmt/ranges.h"
-#include "gtest-extra.h"  // Contains
-#include "util.h"         // get_locale
-
-using fmt::detail::max_value;
-using testing::Contains;
-
-namespace test_ns {
-template <typename Char> class test_string {
- private:
-  std::basic_string<Char> s_;
-
- public:
-  test_string(const Char* s) : s_(s) {}
-  const Char* data() const { return s_.data(); }
-  size_t length() const { return s_.size(); }
-  operator const Char*() const { return s_.c_str(); }
-};
-
-template <typename Char>
-fmt::basic_string_view<Char> to_string_view(const test_string<Char>& s) {
-  return {s.data(), s.length()};
-}
-
-struct non_string {};
-}  // namespace test_ns
-
-template <typename T> class is_string_test : public testing::Test {};
-
-using string_char_types = testing::Types<char, wchar_t, char16_t, char32_t>;
-TYPED_TEST_SUITE(is_string_test, string_char_types);
-
-template <typename Char>
-struct derived_from_string_view : fmt::basic_string_view<Char> {};
-
-TYPED_TEST(is_string_test, is_string) {
-  EXPECT_TRUE(fmt::detail::is_string<TypeParam*>::value);
-  EXPECT_TRUE(fmt::detail::is_string<const TypeParam*>::value);
-  EXPECT_TRUE(fmt::detail::is_string<TypeParam[2]>::value);
-  EXPECT_TRUE(fmt::detail::is_string<const TypeParam[2]>::value);
-  EXPECT_TRUE(fmt::detail::is_string<std::basic_string<TypeParam>>::value);
-  EXPECT_TRUE(fmt::detail::is_string<fmt::basic_string_view<TypeParam>>::value);
-  EXPECT_TRUE(
-      fmt::detail::is_string<derived_from_string_view<TypeParam>>::value);
-  using fmt_string_view = fmt::detail::std_string_view<TypeParam>;
-  EXPECT_TRUE(std::is_empty<fmt_string_view>::value !=
-              fmt::detail::is_string<fmt_string_view>::value);
-  EXPECT_TRUE(fmt::detail::is_string<test_ns::test_string<TypeParam>>::value);
-  EXPECT_FALSE(fmt::detail::is_string<test_ns::non_string>::value);
-}
-
-// std::is_constructible is broken in MSVC until version 2015.
-#if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1900
-struct explicitly_convertible_to_wstring_view {
-  explicit operator fmt::wstring_view() const { return L"foo"; }
-};
-
-TEST(xchar_test, format_explicitly_convertible_to_wstring_view) {
-  // Types explicitly convertible to wstring_view are not formattable by
-  // default because it may introduce ODR violations.
-  static_assert(
-      !fmt::is_formattable<explicitly_convertible_to_wstring_view>::value, "");
-}
-#endif
-
-TEST(xchar_test, format) {
-  EXPECT_EQ(L"42", fmt::format(L"{}", 42));
-  EXPECT_EQ(L"4.2", fmt::format(L"{}", 4.2));
-  EXPECT_EQ(L"abc", fmt::format(L"{}", L"abc"));
-  EXPECT_EQ(L"z", fmt::format(L"{}", L'z'));
-  EXPECT_THROW(fmt::format(fmt::runtime(L"{:*\x343E}"), 42), fmt::format_error);
-  EXPECT_EQ(L"true", fmt::format(L"{}", true));
-  EXPECT_EQ(L"a", fmt::format(L"{0}", 'a'));
-  EXPECT_EQ(L"a", fmt::format(L"{0}", L'a'));
-  EXPECT_EQ(L"Cyrillic letter \x42e",
-            fmt::format(L"Cyrillic letter {}", L'\x42e'));
-  EXPECT_EQ(L"abc1", fmt::format(L"{}c{}", L"ab", 1));
-}
-
-TEST(xchar_test, is_formattable) {
-  static_assert(!fmt::is_formattable<const wchar_t*>::value, "");
-}
-
-TEST(xchar_test, compile_time_string) {
-  EXPECT_EQ(fmt::format(fmt::wformat_string<int>(L"{}"), 42), L"42");
-#if defined(FMT_USE_STRING_VIEW) && FMT_CPLUSPLUS >= 201703L
-  EXPECT_EQ(fmt::format(FMT_STRING(std::wstring_view(L"{}")), 42), L"42");
-#endif
-}
-
-#if FMT_CPLUSPLUS > 201103L
-struct custom_char {
-  int value;
-  custom_char() = default;
-
-  template <typename T>
-  constexpr custom_char(T val) : value(static_cast<int>(val)) {}
-
-  operator int() const { return value; }
-};
-
-int to_ascii(custom_char c) { return c; }
-
-FMT_BEGIN_NAMESPACE
-template <> struct is_char<custom_char> : std::true_type {};
-FMT_END_NAMESPACE
-
-TEST(xchar_test, format_custom_char) {
-  const custom_char format[] = {'{', '}', 0};
-  auto result = fmt::format(format, custom_char('x'));
-  EXPECT_EQ(result.size(), 1);
-  EXPECT_EQ(result[0], custom_char('x'));
-}
-#endif
-
-// Convert a char8_t string to std::string. Otherwise GTest will insist on
-// inserting `char8_t` NTBS into a `char` stream which is disabled by P1423.
-template <typename S> std::string from_u8str(const S& str) {
-  return std::string(str.begin(), str.end());
-}
-
-TEST(xchar_test, format_utf8_precision) {
-  using str_type = std::basic_string<fmt::detail::char8_type>;
-  auto format =
-      str_type(reinterpret_cast<const fmt::detail::char8_type*>(u8"{:.4}"));
-  auto str = str_type(reinterpret_cast<const fmt::detail::char8_type*>(
-      u8"caf\u00e9s"));  // cafés
-  auto result = fmt::format(format, str);
-  EXPECT_EQ(fmt::detail::compute_width(result), 4);
-  EXPECT_EQ(result.size(), 5);
-  EXPECT_EQ(from_u8str(result), from_u8str(str.substr(0, 5)));
-}
-
-TEST(xchar_test, format_to) {
-  auto buf = std::vector<wchar_t>();
-  fmt::format_to(std::back_inserter(buf), L"{}{}", 42, L'\0');
-  EXPECT_STREQ(buf.data(), L"42");
-}
-
-TEST(xchar_test, vformat_to) {
-  using wcontext = fmt::wformat_context;
-  fmt::basic_format_arg<wcontext> warg = fmt::detail::make_arg<wcontext>(42);
-  auto wargs = fmt::basic_format_args<wcontext>(&warg, 1);
-  auto w = std::wstring();
-  fmt::vformat_to(std::back_inserter(w), L"{}", wargs);
-  EXPECT_EQ(L"42", w);
-  w.clear();
-  fmt::vformat_to(std::back_inserter(w), FMT_STRING(L"{}"), wargs);
-  EXPECT_EQ(L"42", w);
-}
-
-TEST(format_test, wide_format_to_n) {
-  wchar_t buffer[4];
-  buffer[3] = L'x';
-  auto result = fmt::format_to_n(buffer, 3, L"{}", 12345);
-  EXPECT_EQ(5u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ(L"123x", fmt::wstring_view(buffer, 4));
-  buffer[0] = L'x';
-  buffer[1] = L'x';
-  buffer[2] = L'x';
-  result = fmt::format_to_n(buffer, 3, L"{}", L'A');
-  EXPECT_EQ(1u, result.size);
-  EXPECT_EQ(buffer + 1, result.out);
-  EXPECT_EQ(L"Axxx", fmt::wstring_view(buffer, 4));
-  result = fmt::format_to_n(buffer, 3, L"{}{} ", L'B', L'C');
-  EXPECT_EQ(3u, result.size);
-  EXPECT_EQ(buffer + 3, result.out);
-  EXPECT_EQ(L"BC x", fmt::wstring_view(buffer, 4));
-}
-
-#if FMT_USE_USER_DEFINED_LITERALS
-TEST(xchar_test, named_arg_udl) {
-  using namespace fmt::literals;
-  auto udl_a =
-      fmt::format(L"{first}{second}{first}{third}", L"first"_a = L"abra",
-                  L"second"_a = L"cad", L"third"_a = 99);
-  EXPECT_EQ(
-      fmt::format(L"{first}{second}{first}{third}", fmt::arg(L"first", L"abra"),
-                  fmt::arg(L"second", L"cad"), fmt::arg(L"third", 99)),
-      udl_a);
-}
-#endif  // FMT_USE_USER_DEFINED_LITERALS
-
-TEST(xchar_test, print) {
-  // Check that the wide print overload compiles.
-  if (fmt::detail::const_check(false)) fmt::print(L"test");
-}
-
-TEST(xchar_test, join) {
-  int v[3] = {1, 2, 3};
-  EXPECT_EQ(fmt::format(L"({})", fmt::join(v, v + 3, L", ")), L"(1, 2, 3)");
-  auto t = std::tuple<wchar_t, int, float>('a', 1, 2.0f);
-  EXPECT_EQ(fmt::format(L"({})", fmt::join(t, L", ")), L"(a, 1, 2)");
-}
-
-enum streamable_enum {};
-
-std::wostream& operator<<(std::wostream& os, streamable_enum) {
-  return os << L"streamable_enum";
-}
-
-namespace fmt {
-template <>
-struct formatter<streamable_enum, wchar_t> : basic_ostream_formatter<wchar_t> {
-};
-}  // namespace fmt
-
-enum unstreamable_enum {};
-auto format_as(unstreamable_enum e) -> int { return e; }
-
-TEST(xchar_test, enum) {
-  EXPECT_EQ(L"streamable_enum", fmt::format(L"{}", streamable_enum()));
-  EXPECT_EQ(L"0", fmt::format(L"{}", unstreamable_enum()));
-}
-
-struct streamable_and_unformattable {};
-
-auto operator<<(std::wostream& os, streamable_and_unformattable)
-    -> std::wostream& {
-  return os << L"foo";
-}
-
-TEST(xchar_test, streamed) {
-  EXPECT_FALSE(fmt::is_formattable<streamable_and_unformattable>());
-  EXPECT_EQ(fmt::format(L"{}", fmt::streamed(streamable_and_unformattable())),
-            L"foo");
-}
-
-TEST(xchar_test, sign_not_truncated) {
-  wchar_t format_str[] = {
-      L'{', L':',
-      '+' | static_cast<wchar_t>(1 << fmt::detail::num_bits<char>()), L'}', 0};
-  EXPECT_THROW(fmt::format(fmt::runtime(format_str), 42), fmt::format_error);
-}
-
-TEST(xchar_test, chrono) {
-  auto tm = std::tm();
-  tm.tm_year = 116;
-  tm.tm_mon = 3;
-  tm.tm_mday = 25;
-  tm.tm_hour = 11;
-  tm.tm_min = 22;
-  tm.tm_sec = 33;
-  EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
-            "The date is 2016-04-25 11:22:33.");
-  EXPECT_EQ(L"42s", fmt::format(L"{}", std::chrono::seconds(42)));
-  EXPECT_EQ(fmt::format(L"{:%F}", tm), L"2016-04-25");
-  EXPECT_EQ(fmt::format(L"{:%T}", tm), L"11:22:33");
-}
-
-std::wstring system_wcsftime(const std::wstring& format, const std::tm* timeptr,
-                             std::locale* locptr = nullptr) {
-  auto loc = locptr ? *locptr : std::locale::classic();
-  auto& facet = std::use_facet<std::time_put<wchar_t>>(loc);
-  std::wostringstream os;
-  os.imbue(loc);
-  facet.put(os, os, L' ', timeptr, format.c_str(),
-            format.c_str() + format.size());
-#ifdef _WIN32
-  // Workaround a bug in older versions of Universal CRT.
-  auto str = os.str();
-  if (str == L"-0000") str = L"+0000";
-  return str;
-#else
-  return os.str();
-#endif
-}
-
-TEST(chrono_test_wchar, time_point) {
-  auto t1 = std::chrono::system_clock::now();
-
-  std::vector<std::wstring> spec_list = {
-      L"%%",  L"%n",  L"%t",  L"%Y",  L"%EY", L"%y",  L"%Oy", L"%Ey", L"%C",
-      L"%EC", L"%G",  L"%g",  L"%b",  L"%h",  L"%B",  L"%m",  L"%Om", L"%U",
-      L"%OU", L"%W",  L"%OW", L"%V",  L"%OV", L"%j",  L"%d",  L"%Od", L"%e",
-      L"%Oe", L"%a",  L"%A",  L"%w",  L"%Ow", L"%u",  L"%Ou", L"%H",  L"%OH",
-      L"%I",  L"%OI", L"%M",  L"%OM", L"%S",  L"%OS", L"%x",  L"%Ex", L"%X",
-      L"%EX", L"%D",  L"%F",  L"%R",  L"%T",  L"%p",  L"%z",  L"%Z"};
-#ifndef _WIN32
-  // Disabled on Windows, because these formats is not consistent among
-  // platforms.
-  spec_list.insert(spec_list.end(), {L"%c", L"%Ec", L"%r"});
-#elif defined(__MINGW32__) && !defined(_UCRT)
-  // Only C89 conversion specifiers when using MSVCRT instead of UCRT
-  spec_list = {L"%%", L"%Y", L"%y", L"%b", L"%B", L"%m", L"%U",
-               L"%W", L"%j", L"%d", L"%a", L"%A", L"%w", L"%H",
-               L"%I", L"%M", L"%S", L"%x", L"%X", L"%p", L"%Z"};
-#endif
-  spec_list.push_back(L"%Y-%m-%d %H:%M:%S");
-
-  for (const auto& spec : spec_list) {
-    auto t = std::chrono::system_clock::to_time_t(t1);
-    auto tm = *std::localtime(&t);
-
-    auto sys_output = system_wcsftime(spec, &tm);
-
-    auto fmt_spec = fmt::format(L"{{:{}}}", spec);
-    EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), t1));
-    EXPECT_EQ(sys_output, fmt::format(fmt::runtime(fmt_spec), tm));
-  }
-}
-
-TEST(xchar_test, color) {
-  EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), L"rgb(255,20,30) wide"),
-            L"\x1b[38;2;255;020;030mrgb(255,20,30) wide\x1b[0m");
-}
-
-TEST(xchar_test, ostream) {
-#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 409
-  std::wostringstream wos;
-  fmt::print(wos, L"Don't {}!", L"panic");
-  EXPECT_EQ(wos.str(), L"Don't panic!");
-#endif
-}
-
-TEST(xchar_test, format_map) {
-  auto m = std::map<std::wstring, int>{{L"one", 1}, {L"t\"wo", 2}};
-  EXPECT_EQ(fmt::format(L"{}", m), L"{\"one\": 1, \"t\\\"wo\": 2}");
-}
-
-TEST(xchar_test, escape_string) {
-  using vec = std::vector<std::wstring>;
-  EXPECT_EQ(fmt::format(L"{}", vec{L"\n\r\t\"\\"}), L"[\"\\n\\r\\t\\\"\\\\\"]");
-  EXPECT_EQ(fmt::format(L"{}", vec{L"понедельник"}), L"[\"понедельник\"]");
-}
-
-TEST(xchar_test, to_wstring) { EXPECT_EQ(L"42", fmt::to_wstring(42)); }
-
-#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
-template <typename Char> struct numpunct : std::numpunct<Char> {
- protected:
-  Char do_decimal_point() const override { return '?'; }
-  std::string do_grouping() const override { return "\03"; }
-  Char do_thousands_sep() const override { return '~'; }
-};
-
-template <typename Char> struct no_grouping : std::numpunct<Char> {
- protected:
-  Char do_decimal_point() const override { return '.'; }
-  std::string do_grouping() const override { return ""; }
-  Char do_thousands_sep() const override { return ','; }
-};
-
-template <typename Char> struct special_grouping : std::numpunct<Char> {
- protected:
-  Char do_decimal_point() const override { return '.'; }
-  std::string do_grouping() const override { return "\03\02"; }
-  Char do_thousands_sep() const override { return ','; }
-};
-
-template <typename Char> struct small_grouping : std::numpunct<Char> {
- protected:
-  Char do_decimal_point() const override { return '.'; }
-  std::string do_grouping() const override { return "\01"; }
-  Char do_thousands_sep() const override { return ','; }
-};
-
-TEST(locale_test, localized_double) {
-  auto loc = std::locale(std::locale(), new numpunct<char>());
-  EXPECT_EQ(fmt::format(loc, "{:L}", 1.23), "1?23");
-  EXPECT_EQ(fmt::format(loc, "{:Lf}", 1.23), "1?230000");
-  EXPECT_EQ(fmt::format(loc, "{:L}", 1234.5), "1~234?5");
-  EXPECT_EQ(fmt::format(loc, "{:L}", 12000.0), "12~000");
-  EXPECT_EQ(fmt::format(loc, "{:8L}", 1230.0), "   1~230");
-}
-
-TEST(locale_test, format) {
-  auto loc = std::locale(std::locale(), new numpunct<char>());
-  EXPECT_EQ("1234567", fmt::format(std::locale(), "{:L}", 1234567));
-  EXPECT_EQ("1~234~567", fmt::format(loc, "{:L}", 1234567));
-  EXPECT_EQ("-1~234~567", fmt::format(loc, "{:L}", -1234567));
-  EXPECT_EQ("-256", fmt::format(loc, "{:L}", -256));
-  fmt::format_arg_store<fmt::format_context, int> as{1234567};
-  EXPECT_EQ("1~234~567", fmt::vformat(loc, "{:L}", fmt::format_args(as)));
-  auto s = std::string();
-  fmt::format_to(std::back_inserter(s), loc, "{:L}", 1234567);
-  EXPECT_EQ("1~234~567", s);
-
-  auto no_grouping_loc = std::locale(std::locale(), new no_grouping<char>());
-  EXPECT_EQ("1234567", fmt::format(no_grouping_loc, "{:L}", 1234567));
-
-  auto special_grouping_loc =
-      std::locale(std::locale(), new special_grouping<char>());
-  EXPECT_EQ("1,23,45,678", fmt::format(special_grouping_loc, "{:L}", 12345678));
-  EXPECT_EQ("12,345", fmt::format(special_grouping_loc, "{:L}", 12345));
-
-  auto small_grouping_loc =
-      std::locale(std::locale(), new small_grouping<char>());
-  EXPECT_EQ("4,2,9,4,9,6,7,2,9,5",
-            fmt::format(small_grouping_loc, "{:L}", max_value<uint32_t>()));
-}
-
-TEST(locale_test, format_detault_align) {
-  auto loc = std::locale({}, new special_grouping<char>());
-  EXPECT_EQ("  12,345", fmt::format(loc, "{:8L}", 12345));
-}
-
-TEST(locale_test, format_plus) {
-  auto loc = std::locale({}, new special_grouping<char>());
-  EXPECT_EQ("+100", fmt::format(loc, "{:+L}", 100));
-}
-
-TEST(locale_test, wformat) {
-  auto loc = std::locale(std::locale(), new numpunct<wchar_t>());
-  EXPECT_EQ(L"1234567", fmt::format(std::locale(), L"{:L}", 1234567));
-  EXPECT_EQ(L"1~234~567", fmt::format(loc, L"{:L}", 1234567));
-  using wcontext = fmt::buffer_context<wchar_t>;
-  fmt::format_arg_store<wcontext, int> as{1234567};
-  EXPECT_EQ(L"1~234~567",
-            fmt::vformat(loc, L"{:L}", fmt::basic_format_args<wcontext>(as)));
-  EXPECT_EQ(L"1234567", fmt::format(std::locale("C"), L"{:L}", 1234567));
-
-  auto no_grouping_loc = std::locale(std::locale(), new no_grouping<wchar_t>());
-  EXPECT_EQ(L"1234567", fmt::format(no_grouping_loc, L"{:L}", 1234567));
-
-  auto special_grouping_loc =
-      std::locale(std::locale(), new special_grouping<wchar_t>());
-  EXPECT_EQ(L"1,23,45,678",
-            fmt::format(special_grouping_loc, L"{:L}", 12345678));
-
-  auto small_grouping_loc =
-      std::locale(std::locale(), new small_grouping<wchar_t>());
-  EXPECT_EQ(L"4,2,9,4,9,6,7,2,9,5",
-            fmt::format(small_grouping_loc, L"{:L}", max_value<uint32_t>()));
-}
-
-TEST(locale_test, double_formatter) {
-  auto loc = std::locale(std::locale(), new special_grouping<char>());
-  auto f = fmt::formatter<int>();
-  auto parse_ctx = fmt::format_parse_context("L");
-  f.parse(parse_ctx);
-  char buf[10] = {};
-  fmt::basic_format_context<char*, char> format_ctx(
-      buf, {}, fmt::detail::locale_ref(loc));
-  *f.format(12345, format_ctx) = 0;
-  EXPECT_STREQ("12,345", buf);
-}
-
-FMT_BEGIN_NAMESPACE
-template <class charT> struct formatter<std::complex<double>, charT> {
- private:
-  detail::dynamic_format_specs<char> specs_;
-
- public:
-  FMT_CONSTEXPR typename basic_format_parse_context<charT>::iterator parse(
-      basic_format_parse_context<charT>& ctx) {
-    using handler_type =
-        detail::dynamic_specs_handler<basic_format_parse_context<charT>>;
-    detail::specs_checker<handler_type> handler(handler_type(specs_, ctx),
-                                                detail::type::string_type);
-    auto it = parse_format_specs(ctx.begin(), ctx.end(), handler);
-    detail::parse_float_type_spec(specs_, ctx.error_handler());
-    return it;
-  }
-
-  template <class FormatContext>
-  typename FormatContext::iterator format(const std::complex<double>& c,
-                                          FormatContext& ctx) {
-    detail::handle_dynamic_spec<detail::precision_checker>(
-        specs_.precision, specs_.precision_ref, ctx);
-    auto specs = std::string();
-    if (specs_.precision > 0) specs = fmt::format(".{}", specs_.precision);
-    if (specs_.type == presentation_type::fixed_lower) specs += 'f';
-    auto real = fmt::format(ctx.locale().template get<std::locale>(),
-                            fmt::runtime("{:" + specs + "}"), c.real());
-    auto imag = fmt::format(ctx.locale().template get<std::locale>(),
-                            fmt::runtime("{:" + specs + "}"), c.imag());
-    auto fill_align_width = std::string();
-    if (specs_.width > 0) fill_align_width = fmt::format(">{}", specs_.width);
-    return format_to(ctx.out(), runtime("{:" + fill_align_width + "}"),
-                     c.real() != 0 ? fmt::format("({}+{}i)", real, imag)
-                                   : fmt::format("{}i", imag));
-  }
-};
-FMT_END_NAMESPACE
-
-TEST(locale_test, complex) {
-  std::string s = fmt::format("{}", std::complex<double>(1, 2));
-  EXPECT_EQ(s, "(1+2i)");
-  EXPECT_EQ(fmt::format("{:.2f}", std::complex<double>(1, 2)), "(1.00+2.00i)");
-  EXPECT_EQ(fmt::format("{:8}", std::complex<double>(1, 2)), "  (1+2i)");
-}
-
-TEST(locale_test, chrono_weekday) {
-  auto loc = get_locale("ru_RU.UTF-8", "Russian_Russia.1251");
-  auto loc_old = std::locale::global(loc);
-  auto mon = fmt::weekday(1);
-  EXPECT_EQ(fmt::format(L"{}", mon), L"Mon");
-  if (loc != std::locale::classic()) {
-    // {L"\x43F\x43D", L"\x41F\x43D", L"\x43F\x43D\x434", L"\x41F\x43D\x434"}
-    // {L"пн", L"Пн", L"пнд", L"Пнд"}
-    EXPECT_THAT(
-        (std::vector<std::wstring>{L"\x43F\x43D", L"\x41F\x43D",
-                                   L"\x43F\x43D\x434", L"\x41F\x43D\x434"}),
-        Contains(fmt::format(loc, L"{:L}", mon)));
-  }
-  std::locale::global(loc_old);
-}
-
-TEST(locale_test, sign) {
-  EXPECT_EQ(fmt::format(std::locale(), L"{:L}", -50), L"-50");
-}
-
-#endif  // FMT_STATIC_THOUSANDS_SEPARATOR
diff --git a/tools/Tools/CMakeLists.txt b/tools/Tools/CMakeLists.txt
index 0ca7058d..15787a5c 100644
--- a/tools/Tools/CMakeLists.txt
+++ b/tools/Tools/CMakeLists.txt
@@ -12,7 +12,7 @@ cmake_policy(SET CMP0135 NEW)
 
 add_executable(Tools src/main.cpp)
 target_include_directories(Tools PUBLIC ../../include/dxfeed_graal_cpp_api)
-target_link_libraries(Tools PUBLIC DxFeedGraalNativeApi dxFeedGraalCxxApi)
+target_link_libraries(Tools PUBLIC DxFeedGraalNativeSdk dxFeedGraalCxxApi dxFeedGraalCxxApi_Clang)
 
 add_custom_command(TARGET Tools POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different
-        $<TARGET_FILE:DxFeedGraalNativeApi> $<TARGET_FILE_DIR:Tools>)
\ No newline at end of file
+        $<TARGET_FILE:DxFeedGraalNativeSdk> $<TARGET_FILE_DIR:Tools>)
\ No newline at end of file