getItem method
Implementation
@override
Future<dynamic> getItem(String key) async {
await _initilization();
// log('GET_ITEM: $key ${_data[key].runtimeType}\n${_data[key]}');
// final item = _data[key] is List
// ? _data[key].map((e) => e is Map ? _dynamicToMap(e) : e).toList()
// : _data[key];
return _dynamicToMap(_data[key]);
}