• EmbedderSendKeyEvent : fl_key_embedder_responder.h
• FlEnginePlatformMessageHandler : fl_engine_private.h
• FlEngineUpdateSemanticsHandler : fl_engine_private.h
• FlKeyChannelResponderMock : fl_key_channel_responder.h
• FlTaskRunnerTask : fl_task_runner.cc
• FlTextBoundaryCallback : fl_accessible_text_field.cc
• 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
• FlValue : fl_value.h
• FlValueConverter : fl_key_channel_responder.h
• KeyboardLayoutNotifier : fl_keyboard_view_delegate.h