| Flutter Windows Embedder |

- FlutterDesktopBinaryReply : flutter_messenger.h
- FlutterDesktopEngineRef : flutter_windows.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
- FlutterDesktopViewControllerRef : flutter_windows.h
- FlutterDesktopViewRef : flutter_windows.h
- FlutterDesktopWindowProcCallback : flutter_windows.h
- VoidCallback : flutter_windows.h