import 'package:json_annotation/json_annotation.dart'; import 'item.dart'; part 'tab2.g.dart'; @JsonSerializable() class Tab2 { String? title; String? param; List? items; Tab2({this.title, this.param, this.items}); factory Tab2.fromJson(Map json) => _$Tab2FromJson(json); Map toJson() => _$Tab2ToJson(this); }