import 'package:json_annotation/json_annotation.dart'; part 'install_extension.g.dart'; @JsonSerializable() class InstallExtension { bool devMode; String url; InstallExtension({this.devMode = false, required this.url}); factory InstallExtension.fromJson(Map json) => _$InstallExtensionFromJson(json); Map toJson() => _$InstallExtensionToJson(this); }