import 'latlng.dart'; class Location { final String? _address; final LatLng? _coordinates; Location({this._address, this._coordinates}); Location.fromAddress({required this._address}) : _coordinates = null; Location.fromCoordinates({required this._coordinates}) : _address = null; String get address => _address ?? ''; LatLng get coordinates => _coordinates ?? LatLng.empty(); factory Location.fromJson(Map json) { return Location( address: json['address'] as String, coordinates: LatLng.fromJson(json['coordinates']), ); } Map toJson() { return {'address': address, 'coordinates': coordinates}; } }