save method
Implementation
@override
Future<void> save({required FS flutterState, required int version}) async {
await _flutterPersist!.put(_flutterName, flutterState);
await _versionBox!.put(_versionName, version);
}
@override
Future<void> save({required FS flutterState, required int version}) async {
await _flutterPersist!.put(_flutterName, flutterState);
await _versionBox!.put(_versionName, version);
}