import 'package:json_annotation/json_annotation.dart'; part 'uploaded.g.dart'; @JsonSerializable() class Uploaded { @JsonKey(required: true) final List ids; @JsonKey(required: true) final List urls; Uploaded({required this.ids, required this.urls}); // JSON Init factory Uploaded.fromJson(Map json) => _$UploadedFromJson(json); // JSON Export Map toJson() => _$UploadedToJson(this); }