import 'package:json_annotation/json_annotation.dart'; part 'module.g.dart'; @JsonSerializable() class Module { final int? id; final String? title; final String? description; @JsonKey(name: 'icon_url') final String? iconUrl; @JsonKey(name: 'level_id') final int? levelId; @JsonKey(name: 'is_active') final bool? isActive; @JsonKey(name: 'display_order') final int? displayOrder; const Module({ this.id, this.title, this.iconUrl, this.levelId, this.isActive, this.description, this.displayOrder, }); factory Module.fromJson(Map json) => _$ModuleFromJson(json); Map toJson() => _$ModuleToJson(this); }