private static void _removeTokenItemByToken(Guid?token)
        {
            String storageKey = token.ToString();

            StoragePerApplication.Remove(storageKey);
        }
        private static void _removeTokenValueByUserIdAndAppId(long id, long appId)
        {
            String storageKey = _createStorageKeyFromUserIdAndAppId(id, appId);

            StoragePerApplication.Remove(storageKey);
        }