huixiang_app/lib/retrofit/data/base_data_extra.dart

import 'package:json_annotation/json_annotation.dart';

part 'base_data_extra.g.dart';

@JsonSerializable()
class BaseDataExtra {
  BaseDataExtra();

  factory BaseDataExtra.fromJson(Map<String, dynamic> json) => BaseDataExtra();
  Map<String, dynamic> toJson() => {};
}