[tool] Ensure that all packages format with correct language version

packages/pigeon/example/app/lib/main.dart

@@ -137,16 +137,14 @@ class _MyHomePageState extends State<MyHomePage> {
             if (Platform.isAndroid || Platform.isIOS)
               StreamBuilder<String>(
                 stream: getEventStream(),
-                builder: (
-                  BuildContext context,
-                  AsyncSnapshot<String> snapshot,
-                ) {
-                  if (snapshot.hasData) {
-                    return Text(snapshot.data ?? '');
-                  } else {
-                    return const CircularProgressIndicator();
-                  }
-                },
+                builder:
+                    (BuildContext context, AsyncSnapshot<String> snapshot) {
+                      if (snapshot.hasData) {
+                        return Text(snapshot.data ?? '');
+                      } else {
+                        return const CircularProgressIndicator();
+                      }
+                    },
               )
             else
               const Text('event channels are not supported on this platform'),

packages/pigeon/example/app/lib/src/messages.g.dart

@@ -143,8 +143,9 @@ class ExampleHostApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
@@ -256,8 +257,9 @@ abstract class MessageFlutterApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) {
-    messageChannelSuffix =
-        messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+    messageChannelSuffix = messageChannelSuffix.isNotEmpty
+        ? '.$messageChannelSuffix'
+        : '';
     {
       final BasicMessageChannel<Object?>
       pigeonVar_channel = BasicMessageChannel<Object?>(

packages/pigeon/platform_tests/shared_test_plugin_code/lib/integration_tests.dart

@@ -2983,8 +2983,8 @@ void runPigeonIntegrationTests(TargetGenerator targetGenerator) {
 
     testWidgets('callFlutterEchoProxyApiMap', (_) async {
       final ProxyApiTestClass api = _createGenericProxyApiTestClass(
-        flutterEchoProxyApiMap:
-            (_, Map<String?, ProxyApiTestClass?> aMap) => aMap,
+        flutterEchoProxyApiMap: (_, Map<String?, ProxyApiTestClass?> aMap) =>
+            aMap,
       );
 
       final Map<String?, ProxyApiTestClass?> value =
@@ -3087,8 +3087,8 @@ void runPigeonIntegrationTests(TargetGenerator targetGenerator) {
 
     testWidgets('callFlutterEchoNullableProxyApi', (_) async {
       final ProxyApiTestClass api = _createGenericProxyApiTestClass(
-        flutterEchoNullableProxyApi:
-            (_, ProxyApiSuperClass? aProxyApi) => aProxyApi,
+        flutterEchoNullableProxyApi: (_, ProxyApiSuperClass? aProxyApi) =>
+            aProxyApi,
       );
 
       expect(await api.callFlutterEchoNullableProxyApi(null), null);

packages/pigeon/platform_tests/shared_test_plugin_code/lib/src/generated/background_platform_channels.gen.dart

@@ -48,8 +48,9 @@ class BackgroundApi2Host {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();

packages/pigeon/platform_tests/shared_test_plugin_code/lib/src/generated/core_tests.gen.dart

@@ -245,11 +245,10 @@ class AllTypes {
       intMap: (result[23] as Map<Object?, Object?>?)!.cast<int, int>(),
       enumMap: (result[24] as Map<Object?, Object?>?)!.cast<AnEnum, AnEnum>(),
       objectMap: (result[25] as Map<Object?, Object?>?)!.cast<Object, Object>(),
-      listMap:
-          (result[26] as Map<Object?, Object?>?)!.cast<int, List<Object?>>(),
-      mapMap:
-          (result[27] as Map<Object?, Object?>?)!
-              .cast<int, Map<Object?, Object?>>(),
+      listMap: (result[26] as Map<Object?, Object?>?)!
+          .cast<int, List<Object?>>(),
+      mapMap: (result[27] as Map<Object?, Object?>?)!
+          .cast<int, Map<Object?, Object?>>(),
     );
   }
 
@@ -433,23 +432,21 @@ class AllNullableTypes {
       objectList: (result[19] as List<Object?>?)?.cast<Object?>(),
       listList: (result[20] as List<Object?>?)?.cast<List<Object?>?>(),
       mapList: (result[21] as List<Object?>?)?.cast<Map<Object?, Object?>?>(),
-      recursiveClassList:
-          (result[22] as List<Object?>?)?.cast<AllNullableTypes?>(),
+      recursiveClassList: (result[22] as List<Object?>?)
+          ?.cast<AllNullableTypes?>(),
       map: result[23] as Map<Object?, Object?>?,
-      stringMap:
-          (result[24] as Map<Object?, Object?>?)?.cast<String?, String?>(),
+      stringMap: (result[24] as Map<Object?, Object?>?)
+          ?.cast<String?, String?>(),
       intMap: (result[25] as Map<Object?, Object?>?)?.cast<int?, int?>(),
       enumMap: (result[26] as Map<Object?, Object?>?)?.cast<AnEnum?, AnEnum?>(),
-      objectMap:
-          (result[27] as Map<Object?, Object?>?)?.cast<Object?, Object?>(),
-      listMap:
-          (result[28] as Map<Object?, Object?>?)?.cast<int?, List<Object?>?>(),
-      mapMap:
-          (result[29] as Map<Object?, Object?>?)
-              ?.cast<int?, Map<Object?, Object?>?>(),
-      recursiveClassMap:
-          (result[30] as Map<Object?, Object?>?)
-              ?.cast<int?, AllNullableTypes?>(),
+      objectMap: (result[27] as Map<Object?, Object?>?)
+          ?.cast<Object?, Object?>(),
+      listMap: (result[28] as Map<Object?, Object?>?)
+          ?.cast<int?, List<Object?>?>(),
+      mapMap: (result[29] as Map<Object?, Object?>?)
+          ?.cast<int?, Map<Object?, Object?>?>(),
+      recursiveClassMap: (result[30] as Map<Object?, Object?>?)
+          ?.cast<int?, AllNullableTypes?>(),
     );
   }
 
@@ -623,17 +620,16 @@ class AllNullableTypesWithoutRecursion {
       listList: (result[19] as List<Object?>?)?.cast<List<Object?>?>(),
       mapList: (result[20] as List<Object?>?)?.cast<Map<Object?, Object?>?>(),
       map: result[21] as Map<Object?, Object?>?,
-      stringMap:
-          (result[22] as Map<Object?, Object?>?)?.cast<String?, String?>(),
+      stringMap: (result[22] as Map<Object?, Object?>?)
+          ?.cast<String?, String?>(),
       intMap: (result[23] as Map<Object?, Object?>?)?.cast<int?, int?>(),
       enumMap: (result[24] as Map<Object?, Object?>?)?.cast<AnEnum?, AnEnum?>(),
-      objectMap:
-          (result[25] as Map<Object?, Object?>?)?.cast<Object?, Object?>(),
-      listMap:
-          (result[26] as Map<Object?, Object?>?)?.cast<int?, List<Object?>?>(),
-      mapMap:
-          (result[27] as Map<Object?, Object?>?)
-              ?.cast<int?, Map<Object?, Object?>?>(),
+      objectMap: (result[25] as Map<Object?, Object?>?)
+          ?.cast<Object?, Object?>(),
+      listMap: (result[26] as Map<Object?, Object?>?)
+          ?.cast<int?, List<Object?>?>(),
+      mapMap: (result[27] as Map<Object?, Object?>?)
+          ?.cast<int?, Map<Object?, Object?>?>(),
     );
   }
 
@@ -709,13 +705,11 @@ class AllClassesWrapper {
           result[1] as AllNullableTypesWithoutRecursion?,
       allTypes: result[2] as AllTypes?,
       classList: (result[3] as List<Object?>?)!.cast<AllTypes?>(),
-      nullableClassList:
-          (result[4] as List<Object?>?)
-              ?.cast<AllNullableTypesWithoutRecursion?>(),
+      nullableClassList: (result[4] as List<Object?>?)
+          ?.cast<AllNullableTypesWithoutRecursion?>(),
       classMap: (result[5] as Map<Object?, Object?>?)!.cast<int?, AllTypes?>(),
-      nullableClassMap:
-          (result[6] as Map<Object?, Object?>?)
-              ?.cast<int?, AllNullableTypesWithoutRecursion?>(),
+      nullableClassMap: (result[6] as Map<Object?, Object?>?)
+          ?.cast<int?, AllNullableTypesWithoutRecursion?>(),
     );
   }
 
@@ -845,8 +839,9 @@ class HostIntegrationCoreApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
@@ -5842,8 +5837,9 @@ abstract class FlutterIntegrationCoreApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) {
-    messageChannelSuffix =
-        messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+    messageChannelSuffix = messageChannelSuffix.isNotEmpty
+        ? '.$messageChannelSuffix'
+        : '';
     {
       final BasicMessageChannel<Object?>
       pigeonVar_channel = BasicMessageChannel<Object?>(
@@ -6274,8 +6270,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<Object?>? arg_list =
-              (args[0] as List<Object?>?)?.cast<Object?>();
+          final List<Object?>? arg_list = (args[0] as List<Object?>?)
+              ?.cast<Object?>();
           assert(
             arg_list != null,
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoList was null, expected non-null List<Object?>.',
@@ -6309,8 +6305,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoEnumList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<AnEnum?>? arg_enumList =
-              (args[0] as List<Object?>?)?.cast<AnEnum?>();
+          final List<AnEnum?>? arg_enumList = (args[0] as List<Object?>?)
+              ?.cast<AnEnum?>();
           assert(
             arg_enumList != null,
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoEnumList was null, expected non-null List<AnEnum?>.',
@@ -6381,8 +6377,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNonNullEnumList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<AnEnum>? arg_enumList =
-              (args[0] as List<Object?>?)?.cast<AnEnum>();
+          final List<AnEnum>? arg_enumList = (args[0] as List<Object?>?)
+              ?.cast<AnEnum>();
           assert(
             arg_enumList != null,
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNonNullEnumList was null, expected non-null List<AnEnum>.',
@@ -6670,8 +6666,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNonNullIntMap was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final Map<int, int>? arg_intMap =
-              (args[0] as Map<Object?, Object?>?)?.cast<int, int>();
+          final Map<int, int>? arg_intMap = (args[0] as Map<Object?, Object?>?)
+              ?.cast<int, int>();
           assert(
             arg_intMap != null,
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNonNullIntMap was null, expected non-null Map<int, int>.',
@@ -6998,8 +6994,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNullableList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<Object?>? arg_list =
-              (args[0] as List<Object?>?)?.cast<Object?>();
+          final List<Object?>? arg_list = (args[0] as List<Object?>?)
+              ?.cast<Object?>();
           try {
             final List<Object?>? output = api.echoNullableList(arg_list);
             return wrapResponse(result: output);
@@ -7029,8 +7025,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNullableEnumList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<AnEnum?>? arg_enumList =
-              (args[0] as List<Object?>?)?.cast<AnEnum?>();
+          final List<AnEnum?>? arg_enumList = (args[0] as List<Object?>?)
+              ?.cast<AnEnum?>();
           try {
             final List<AnEnum?>? output = api.echoNullableEnumList(
               arg_enumList,
@@ -7095,8 +7091,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNullableNonNullEnumList was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final List<AnEnum>? arg_enumList =
-              (args[0] as List<Object?>?)?.cast<AnEnum>();
+          final List<AnEnum>? arg_enumList = (args[0] as List<Object?>?)
+              ?.cast<AnEnum>();
           try {
             final List<AnEnum>? output = api.echoNullableNonNullEnumList(
               arg_enumList,
@@ -7353,8 +7349,8 @@ abstract class FlutterIntegrationCoreApi {
             'Argument for dev.flutter.pigeon.pigeon_integration_tests.FlutterIntegrationCoreApi.echoNullableNonNullIntMap was null.',
           );
           final List<Object?> args = (message as List<Object?>?)!;
-          final Map<int, int>? arg_intMap =
-              (args[0] as Map<Object?, Object?>?)?.cast<int, int>();
+          final Map<int, int>? arg_intMap = (args[0] as Map<Object?, Object?>?)
+              ?.cast<int, int>();
           try {
             final Map<int, int>? output = api.echoNullableNonNullIntMap(
               arg_intMap,
@@ -7568,8 +7564,9 @@ class HostTrivialApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
@@ -7611,8 +7608,9 @@ class HostSmallApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
@@ -7690,8 +7688,9 @@ abstract class FlutterSmallApi {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) {
-    messageChannelSuffix =
-        messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+    messageChannelSuffix = messageChannelSuffix.isNotEmpty
+        ? '.$messageChannelSuffix'
+        : '';
     {
       final BasicMessageChannel<Object?>
       pigeonVar_channel = BasicMessageChannel<Object?>(

packages/pigeon/platform_tests/shared_test_plugin_code/lib/src/generated/enum.gen.dart

@@ -144,8 +144,9 @@ class EnumApi2Host {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) : pigeonVar_binaryMessenger = binaryMessenger,
-       pigeonVar_messageChannelSuffix =
-           messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+       pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty
+           ? '.$messageChannelSuffix'
+           : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
 
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
@@ -198,8 +199,9 @@ abstract class EnumApi2Flutter {
     BinaryMessenger? binaryMessenger,
     String messageChannelSuffix = '',
   }) {
-    messageChannelSuffix =
-        messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+    messageChannelSuffix = messageChannelSuffix.isNotEmpty
+        ? '.$messageChannelSuffix'
+        : '';
     {
       final BasicMessageChannel<Object?>
       pigeonVar_channel = BasicMessageChannel<Object?>(

packages/pigeon/platform_tests/shared_test_plugin_code/lib/src/generated/event_channel_tests.gen.dart

@@ -197,25 +197,22 @@ class EventAllNullableTypes {
       objectList: (result[19] as List<Object?>?)?.cast<Object?>(),
       listList: (result[20] as List<Object?>?)?.cast<List<Object?>?>(),
       mapList: (result[21] as List<Object?>?)?.cast<Map<Object?, Object?>?>(),
-      recursiveClassList:
-          (result[22] as List<Object?>?)?.cast<EventAllNullableTypes?>(),
+      recursiveClassList: (result[22] as List<Object?>?)
+          ?.cast<EventAllNullableTypes?>(),
       map: result[23] as Map<Object?, Object?>?,
-      stringMap:
-          (result[24] as Map<Object?, Object?>?)?.cast<String?, String?>(),
+      stringMap: (result[24] as Map<Object?, Object?>?)
+          ?.cast<String?, String?>(),
       intMap: (result[25] as Map<Object?, Object?>?)?.cast<int?, int?>(),
-      enumMap:
-          (result[26] as Map<Object?, Object?>?)
-              ?.cast<EventEnum?, EventEnum?>(),
-      objectMap:
-          (result[27] as Map<Object?, Object?>?)?.cast<Object?, Object?>(),
-      listMap:
-          (result[28] as Map<Object?, Object?>?)?.cast<int?, List<Object?>?>(),
-      mapMap:
-          (result[29] as Map<Object?, Object?>?)
-              ?.cast<int?, Map<Object?, Object?>?>(),
-      recursiveClassMap:
-          (result[30] as Map<Object?, Object?>?)
-              ?.cast<int?, EventAllNullableTypes?>(),
+      enumMap: (result[26] as Map<Object?, Object?>?)
+          ?.cast<EventEnum?, EventEnum?>(),
+      objectMap: (result[27] as Map<Object?, Object?>?)
+          ?.cast<Object?, Object?>(),
+      listMap: (result[28] as Map<Object?, Object?>?)
+          ?.cast<int?, List<Object?>?>(),
+      mapMap: (result[29] as Map<Object?, Object?>?)
+          ?.cast<int?, Map<Object?, Object?>?>(),
+      recursiveClassMap: (result[30] as Map<Object?, Object?>?)
+          ?.cast<int?, EventAllNullableTypes?>(),
     );
   }