public IItemsService CreateItemsService(string accountName, string accountId)
        {
            SetSecurityProtocol();
            var inventoryCredentials = new InventoryService.APICredentials {
                DeveloperKey = this._developerKey, Password = this._developerPassword
            };

            return(new ItemsService(inventoryCredentials, accountName, accountId, _cache)
            {
                SlidingCacheExpiration = _slidingCacheExpiration
            });
        }
 public IItemsService CreateItemsService( string accountName, string accountId )
 {
     var inventoryCredentials = new InventoryService.APICredentials { DeveloperKey = this._developerKey, Password = this._developerPassword };
     return new ItemsService( inventoryCredentials, accountName, accountId, _cache ){ SlidingCacheExpiration = _slidingCacheExpiration };
 }