public bool Contains(T item) => LoggerHelper.RunWithLogging(_logger, () => _innerStorage.Contains(item), nameof(Contains));
 public async Task <bool> CheckExistenceAsync(EnergyObservationModel flashObservation)
 {
     return(await Task.Run(() => _storage.Contains(_mapper.Map <IEnergyObservation>(flashObservation))));
 }