import 'package:freezed_annotation/freezed_annotation.dart'; part 'generated/package.g.dart'; part 'generated/package.freezed.dart'; @freezed class Package with _$Package { const factory Package({ required String packageName, required String label, required bool isSystem, required int firstInstallTime, }) = _Package; factory Package.fromJson(Map json) => _$PackageFromJson(json); }