| Flutter iOS Embedder |

### - r -

- range : FlutterTextRange
- rangeToSuggestions : MockTextChecker
- receivedNotification : FlutterTextInputViewSpy
- receivedNotificationTarget : FlutterTextInputViewSpy
- rect : FlutterTextSelectionRect , PendingRRectClip
- redoCount : FakeFlutterUndoManagerDelegate
- refreshRate : VSyncClient()
- registrars : FlutterEngine()
- responder : FlutterKeyPendingResponse
- responseId : FlutterEmbedderKeyResponder() , FlutterKeyPendingResponse
- restorationChannel : FlutterEngine() , FlutterEngine
- restorationData : FlutterRestorationPlugin
- restorationEnabled : FlutterEngine()
- restorationPlugin : FlutterEngine() , FlutterEngine(Test) , FlutterEngine
- reverseScreenScale : FlutterClippingMaskView()
- right : Pair
- rootFlutterViewControllerGetter : FlutterAppDelegate() , FlutterAppDelegate(Test) , FlutterAppDelegate