anchor.diff:      try {
         // ignore: omit_local_variable_types
         final int permission =
  -          await methodChannel.invokeMethod('requestPermission');
  +          await _methodChannel.invokeMethod('requestPermission');
   
         return permission.toLocationPermission();
       } on PlatformException catch (e) {
  
positive.code:       return _positionStream!;
      }
  
      var positionStream = eventChannel.receiveBroadcastStream(
        locationOptions.toJson(),
      );
  
  
negative.code:   }
  
    @override
    Future<bool> openAppSettings() async => _methodChannel
        .invokeMethod<bool>('openAppSettings')
        .then((value) => value ?? false);
  
    @override
    Future<bool> openLocationSettings() async => _methodChannel
        .invokeMethod<bool>('openLocationSettings')
        .then((value) => value ?? false);
  
  