import 'package:json_annotation/json_annotation.dart'; part 'username.g.dart'; @JsonSerializable() class ResetUserNameRequest { final String userName; const ResetUserNameRequest({ required this.userName, }); factory ResetUserNameRequest.fromJson(Map json) => _$ResetUserNameRequestFromJson(json); Map toJson() => _$ResetUserNameRequestToJson(this); static ResetUserNameRequest build({ required String userName, }) => ResetUserNameRequest(userName: userName); }