Deprecate the export of package:matcher APIs

integration_tests/regression/lib/issue_2142/test.dart

@@ -2,6 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:matcher/expect.dart';
 import 'package:test/test.dart';
 import 'import.dart';
 

integration_tests/regression/pubspec.yaml

@@ -4,4 +4,5 @@ environment:
   sdk: ^3.5.0-311.0.dev
 resolution: workspace
 dependencies:
+  matcher: any
   test: any

integration_tests/spawn_hybrid/pubspec.yaml

@@ -8,6 +8,7 @@ dependencies:
   path: ^1.8.2
   stream_channel: ^2.1.0
 dev_dependencies:
+  matcher: any
   other_package:
     path: other_package/
   test: any

integration_tests/spawn_hybrid/test/hybrid_test.dart

@@ -5,6 +5,7 @@
 import 'dart:async';
 
 import 'package:async/async.dart';
+import 'package:matcher/expect.dart';
 import 'package:path/path.dart' as p;
 import 'package:stream_channel/stream_channel.dart';
 import 'package:test/test.dart';

integration_tests/spawn_hybrid/test/hybrid_test_io.dart

@@ -7,6 +7,7 @@ library;
 
 import 'dart:io';
 
+import 'package:matcher/expect.dart';
 import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 

integration_tests/spawn_hybrid/test/subdir/hybrid_test.dart

@@ -5,6 +5,7 @@
 @TestOn('vm')
 library;
 
+import 'package:matcher/expect.dart';
 import 'package:test/test.dart';
 
 void main() {

integration_tests/wasm/pubspec.yaml

@@ -4,4 +4,5 @@ environment:
   sdk: ^3.5.0-311.0.dev
 resolution: workspace
 dev_dependencies:
+  matcher: any
   test: any

integration_tests/wasm/test/hello_world_test.dart

@@ -7,6 +7,7 @@
 @Retry(2)
 library;
 
+import 'package:matcher/expect.dart';
 import 'package:test/test.dart';
 
 void main() {

pkgs/fake_async/pubspec.yaml

@@ -14,4 +14,5 @@ dependencies:
 dev_dependencies:
   async: ^2.5.0
   dart_flutter_team_lints: ^2.0.0
+  matcher: any
   test: ^1.16.0

pkgs/fake_async/test/fake_async_test.dart

@@ -16,6 +16,7 @@ import 'dart:async';
 
 import 'package:clock/clock.dart';
 import 'package:fake_async/fake_async.dart';
+import 'package:matcher/expect.dart';
 import 'package:test/test.dart';
 
 void main() {

pkgs/test/CHANGELOG.md

@@ -131,6 +131,9 @@
   version of the `test_api` package, but `flutter test` does not check the
   version of packages in the pub solve for user test code.
 
+* Deprecate the export of `package:matcher` APIs. Add an import to
+  `package:matcher/expect.dart`.
+
 ## 1.24.0
 
 * Support the `--compiler` flag, which can be used to configure which compiler