import 'package:json_annotation/json_annotation.dart'; part 'detection_model.g.dart'; @JsonSerializable() class DetectionModel { List finalClasses; List> finalBboxes; List finalScores; DetectionModel({ required this.finalClasses, required this.finalBboxes, required this.finalScores, }); Map toJson() => _$DetectionModelToJson(this); factory DetectionModel.fromJson(Map json) => _$DetectionModelFromJson(json); }