| Flutter macOS Embedder |

- FlutterAsyncKeyCallback : FlutterKeyPrimaryResponder.h
- FlutterBinaryMessageHandler : FlutterBinaryMessenger.h
- FlutterBinaryMessengerConnection : FlutterBinaryMessenger.h
- FlutterDesktopBinaryReply : flutter_messenger.h
- FlutterDesktopMessageCallback : flutter_messenger.h
- FlutterDesktopMessageResponseHandle : flutter_messenger.h
- FlutterDesktopMessengerRef : flutter_messenger.h
- FlutterDesktopOnPluginRegistrarDestroyed : flutter_plugin_registrar.h
- FlutterDesktopPluginRegistrarRef : flutter_plugin_registrar.h
- FlutterDesktopTextureRegistrarRef : flutter_texture_registrar.h
- FlutterEventSink : FlutterChannels.h
- FlutterMessageHandler : FlutterChannels.h
- FlutterMethodCallHandler : FlutterChannels.h
- FlutterResult : FlutterChannels.h
- FlutterSendEmbedderKeyEvent : FlutterEmbedderKeyResponder.h
- FlutterViewId : FlutterView.h