import 'package:json_annotation/json_annotation.dart'; part 'likes.g.dart'; @JsonSerializable() class Likes { @JsonKey(name: 'like_num') int likeNum; @JsonKey(name: 'skr_tip') String? skrTip; Likes({ required this.likeNum, this.skrTip, }); factory Likes.fromJson(Map json) => _$LikesFromJson(json); Map toJson() => _$LikesToJson(this); }