import 'package:json_annotation/json_annotation.dart'; part 'option.g.dart'; @JsonSerializable() class Option { final int? id; @JsonKey(name: 'option_text') final String? optionText; @JsonKey(name: 'is_correct') final bool? isCorrect; const Option({this.id, this.optionText, this.isCorrect}); factory Option.fromJson(Map json) => _$OptionFromJson(json); Map toJson() => _$OptionToJson(this); }