asManoeuvreWithLaneSignBalloon method

ManoeuvreWithLaneSignBalloon? asManoeuvreWithLaneSignBalloon()

Implementation

ManoeuvreWithLaneSignBalloon? asManoeuvreWithLaneSignBalloon() {
  if (_value is ManoeuvreWithLaneSignBalloon) {
    return _value;
  }
  return null;
}