import "codable.dart"; class CameraPosition implements Codable { double? longitude; double? latitude; int zoom; CameraPosition({ required this.longitude, required this.latitude, required this.zoom, }); @override Map toJson() { return { 'longitude': longitude, 'latitude': latitude, 'zoom': zoom, }; } factory CameraPosition.fromJson(Map map) { return CameraPosition( longitude: map['longitude'], latitude: map['latitude'], zoom: map['zoom'], ); } }