chore: update all dart SDK to the following constraints >=3.2.0 <4.0.0 (#13047)

Author: russellwheatley

packages/cloud_firestore/cloud_firestore/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: cloud_firestore_example
 description: Demonstrates how to use the firestore plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   cloud_firestore: ^5.0.2

packages/cloud_firestore/cloud_firestore/lib/src/filters.dart

@@ -385,9 +385,9 @@ class Filter extends FilterPlatformInterface {
         [
           for (final filter in filters)
             if (filter != null && filter._filterQuery != null)
-              filter._filterQuery!
+              filter._filterQuery
             else if (filter != null && filter._filterOperator != null)
-              filter._filterOperator!,
+              filter._filterOperator,
         ],
       ),
     );
@@ -397,9 +397,9 @@ class Filter extends FilterPlatformInterface {
   @override
   Map<String, Object?> toJson() {
     if (_filterOperator != null) {
-      return _filterOperator!.build();
+      return _filterOperator.build();
     } else if (_filterQuery != null) {
-      return _filterQuery!.build();
+      return _filterQuery.build();
     }
     throw Exception('Exactly one operator must be specified');
   }

packages/cloud_firestore/cloud_firestore/pubspec.yaml

@@ -16,7 +16,7 @@ false_secrets:
   - dartpad/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/cloud_firestore/cloud_firestore_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/cloud_fir
 repository: https://github.com/firebase/flutterfire/tree/master/packages/cloud_firestore/cloud_firestore_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/cloud_functions/cloud_functions/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: cloud_functions_example
 description: Demonstrates how to use the cloud_functions plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/cloud_functions/cloud_functions/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/cloud_functions/cloud_functions_platform_interface/pubspec.yaml

@@ -8,7 +8,7 @@ repository: https://github.com/firebase/flutterfire/tree/master/packages/cloud_f
 version: 5.5.31
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_analytics/firebase_analytics/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_analytics_example
 description: Demonstrates how to use the firebase_analytics plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_analytics/firebase_analytics/pubspec.yaml

@@ -15,7 +15,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_analytics/firebase_analytics_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ repository: https://github.com/firebase/flutterfire/tree/master/packages/firebas
 version: 4.1.0
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_app_check/firebase_app_check/example/pubspec.yaml

@@ -6,7 +6,7 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   cloud_firestore: ^5.0.2

packages/firebase_app_check/firebase_app_check/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_app_check/firebase_app_check_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 version: 0.1.0+32
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_app_installations/firebase_app_installations/example/pubspec.yaml

@@ -6,7 +6,7 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   firebase_core: ^3.1.1

packages/firebase_app_installations/firebase_app_installations/pubspec.yaml

@@ -14,7 +14,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_app_installations/firebase_app_installations_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 repository: https://github.com/firebase/flutterfire/tree/master/packages/firebase_app_installations/firebase_app_installations_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_auth/firebase_auth/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_auth_example
 description: Demonstrates how to use the firebase_auth plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   barcode_widget: ^2.0.4

packages/firebase_core/firebase_core/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_core_example
 description: Demonstrates how to use the firebase_core plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   firebase_core: ^3.1.1

packages/firebase_core/firebase_core/pubspec.yaml

@@ -12,7 +12,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_core/firebase_core_platform_interface/pubspec.yaml

@@ -7,7 +7,7 @@ repository: https://github.com/firebase/flutterfire/tree/master/packages/firebas
 version: 5.1.0
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_crashlytics/firebase_crashlytics/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_crashlytics_example
 description: Demonstrates how to use the firebase_crashlytics plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_crashlytics/firebase_crashlytics/pubspec.yaml

@@ -15,7 +15,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_crashlytics/firebase_crashlytics_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 repository: https://github.com/firebase/flutterfire/tree/master/packages/firebase_crashlytics/firebase_crashlytics_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_database/firebase_database/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_database_example
 description: Demonstrates how to use the firebase_database plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_database/firebase_database/lib/ui/firebase_list.dart

@@ -20,9 +20,7 @@ typedef ErrorCallback = void Function(FirebaseException error);
 
 /// Sorts the results of `query` on the client side using `DataSnapshot.key`.
 class FirebaseList extends ListBase<DataSnapshot>
-    with
-        // ignore: prefer_mixin
-        StreamSubscriberMixin<DatabaseEvent> {
+    with StreamSubscriberMixin<DatabaseEvent> {
   FirebaseList({
     required this.query,
     this.onChildAdded,

packages/firebase_database/firebase_database/lib/ui/firebase_sorted_list.dart

@@ -16,7 +16,7 @@ import 'utils/stream_subscriber_mixin.dart';
 // https://github.com/firebase/FirebaseUI-iOS/blob/master/FirebaseDatabaseUI/FUISortedArray.m
 class FirebaseSortedList extends ListBase<DataSnapshot>
     with
-        // ignore: prefer_mixin
+        // ignore: prefer_mixin, class_used_as_mixin
         StreamSubscriberMixin<DatabaseEvent> {
   FirebaseSortedList({
     required this.query,

packages/firebase_database/firebase_database/lib/ui/utils/stream_subscriber_mixin.dart

@@ -6,7 +6,7 @@ import 'dart:async';
 
 /// Mixin for classes that own `StreamSubscription`s and expose an API for
 /// disposing of themselves by cancelling the subscriptions
-abstract class StreamSubscriberMixin<T> {
+mixin class StreamSubscriberMixin<T> {
   List<StreamSubscription<T>> _subscriptions = <StreamSubscription<T>>[];
 
   /// Listens to a stream and saves it to the list of subscriptions.

packages/firebase_database/firebase_database/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_database/firebase_database_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.2.5+38
 homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_database/firebase_database_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_dynamic_links/firebase_dynamic_links/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_dynamic_links_example
 description: Demonstrates how to use the firebase_dynamic_links plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_dynamic_links/firebase_dynamic_links/pubspec.yaml

@@ -10,7 +10,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_dynamic_links/firebase_dynamic_links_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 repository: https://github.com/firebase/flutterfire/tree/master/packages/firebase_dynamic_links/firebase_dynamic_links_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_in_app_messaging/firebase_in_app_messaging/example/pubspec.yaml

@@ -3,7 +3,7 @@ description: Demonstrates how to use the firebase_in_app_messaging plugin.
 publish_to: 'none'
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   firebase_analytics: ^11.1.0

packages/firebase_in_app_messaging/firebase_in_app_messaging/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_in_app_messaging/firebase_in_app_messaging_platform_interface/pubspec.yaml

@@ -6,7 +6,7 @@ repository: https://github.com/firebase/flutterfire/tree/master/packages/firebas
 version: 0.2.4+38
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_messaging/firebase_messaging/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_messaging_example
 description: Demonstrates how to use the firebase_messaging plugin.
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_messaging/firebase_messaging/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_messaging/firebase_messaging_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 repository: https://github.com/firebase/flutterfire/tree/master/packages/firebase_messaging/firebase_messaging_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_ml_model_downloader/firebase_ml_model_downloader/example/pubspec.yaml

@@ -4,7 +4,7 @@ description: Demonstrates how to use the firebase_ml_model_downloader plugin.
 publish_to: 'none'
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   flutter:

packages/firebase_ml_model_downloader/firebase_ml_model_downloader/pubspec.yaml

@@ -13,7 +13,7 @@ false_secrets:
   - example/**
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_ml_model_downloader/firebase_ml_model_downloader_platform_interface/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: https://github.com/firebase/flutterfire/tree/master/packages/firebase_
 repository: https://github.com/firebase/flutterfire/tree/master/packages/firebase_ml_model_downloader/firebase_ml_model_downloader_platform_interface
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
   flutter: '>=3.3.0'
 
 dependencies:

packages/firebase_performance/firebase_performance/example/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 publish_to: none
 
 environment:
-  sdk: '>=2.18.0 <4.0.0'
+  sdk: '>=3.2.0 <4.0.0'
 
 dependencies:
   firebase_core: ^3.1.1