first property
      
      RoadSurfaceRouteLongEntry?
      get
      first
      
    
    
Первый элемент.
Implementation
RoadSurfaceRouteLongEntry? get first {
  _COptional_CRoadSurfaceRouteLongEntry res = _CRoadSurfaceRouteLongAttribute_first(_CRoadSurfaceRouteLongAttributeMakeDefault().._impl=_self);
  return res._toDart();
}