toJson method Null safety
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = Map<String, dynamic>();
data['latitude'] = latitude;
data['longitude'] = longitude;
return data;
}
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = Map<String, dynamic>();
data['latitude'] = latitude;
data['longitude'] = longitude;
return data;
}