anchor.diff:      if (handle == null) {
         return false;
       }
  +    // TODO(amirh): remove this on when the invokeMethod update makes it to stable Flutter.
  +    // https://github.com/flutter/flutter/issues/26431
  +    // ignore: strong_mode_implicit_dynamic_method
       final dynamic r = await _channel.invokeMethod('Alarm.oneShot', <dynamic>[
         id,
         exact,
  
positive.code:   /// failure.
    static Future<bool> cancel(int id) async {
      final dynamic r =
          await _channel.invokeMethod('Alarm.cancel', <dynamic>[id]);
      return (r == null) ? false : r;
    }
  
negative.code:       return false;
      }
      final dynamic r = await _channel
          // TODO(amirh): remove this on when the invokeMethod update makes it to stable Flutter.
          // https://github.com/flutter/flutter/issues/26431
          // ignore: strong_mode_implicit_dynamic_method
          .invokeMethod('AlarmService.start', <dynamic>[handle.toRawHandle()]);
      return r ?? false;
    }
  