[Java] JSpecify annotations for LoadableComponent , SlowLoadableComponent

java/src/org/openqa/selenium/support/ui/BUILD.bazel

@@ -22,6 +22,9 @@ java_library(
     visibility = [
         "//java/src/org/openqa/selenium/support:__subpackages__",
     ],
+    deps = [
+        artifact("org.jspecify:jspecify"),
+    ],
 )
 
 java_library(

java/src/org/openqa/selenium/support/ui/LoadableComponent.java

@@ -17,6 +17,8 @@
 
 package org.openqa.selenium.support.ui;
 
+import org.jspecify.annotations.NullMarked;
+
 /**
  * Represents any abstraction of something that can be loaded. This may be an entire web page, or
  * simply a component within that page (such as a login box or menu) or even a service. The expected
@@ -32,6 +34,7 @@
  *
  * @param <T> The type to be returned (normally the subclass' type)
  */
+@NullMarked
 public abstract class LoadableComponent<T extends LoadableComponent<T>> {
   /**
    * Ensure that the component is currently loaded.

java/src/org/openqa/selenium/support/ui/SlowLoadableComponent.java

@@ -20,6 +20,7 @@
 import java.time.Clock;
 import java.time.Duration;
 import java.time.Instant;
+import org.jspecify.annotations.NullMarked;
 
 /**
  * A {@link LoadableComponent} which might not have finished loading when load() returns. After a
@@ -32,6 +33,7 @@
  *
  * @param <T> The type to be returned (normally the subclass' type)
  */
+@NullMarked
 public abstract class SlowLoadableComponent<T extends LoadableComponent<T>>
     extends LoadableComponent<T> {