import 'package:json_annotation/json_annotation.dart'; import 'draw.dart'; part 'draw_src.g.dart'; @JsonSerializable() class DrawSrc { @JsonKey(name: 'src_type') int? srcType; Draw? draw; DrawSrc({this.srcType, this.draw}); factory DrawSrc.fromJson(Map json) { return _$DrawSrcFromJson(json); } Map toJson() => _$DrawSrcToJson(this); }