import 'package:json_annotation/json_annotation.dart'; part 'UserPlayTimes.g.dart'; @JsonSerializable() class UserPlayTimes { UserPlayTimes.empty(); UserPlayTimes(this.totalNormal, this.totalAdvanced, this.usedNormal, this.usedAdvanced); int totalNormal; int totalAdvanced; int usedNormal; int usedAdvanced; factory UserPlayTimes.fromJson(Map json) => _$UserPlayTimesFromJson(json); Map toJson() => _$UserPlayTimesToJson(this); @override String toString() { return _$UserPlayTimesToJson(this).toString(); } }