import 'package:json_annotation/json_annotation.dart'; part 'user.g.dart'; @JsonSerializable() class User { final String id; final String name; final String? roomId; User({ required this.id, required this.name, this.roomId, }); factory User.fromJson(Map<String, dynamic> json) => _$UserFromJson(json); Map<String, dynamic> toJson() => _$UserToJson(this); } @JsonSerializable() class CreateUserRequest { final String username; CreateUserRequest({required this.username}); factory CreateUserRequest.fromJson(Map<String, dynamic> json) => _$CreateUserRequestFromJson(json); Map<String, dynamic> toJson() => _$CreateUserRequestToJson(this); }