toJson method Null safety

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> data = Map<String, dynamic>();
  if (latLng != null) {
    data["latLng"] = latLng!.toJson();
  }
  data["latitudeDelta"] = latitudeDelta;
  data["longitudeDelta"] = longitudeDelta;
  return data;
}