      - parameter feedController:    The feed controller.
      - parameter feedController:    The error that occured in the FeedFetchRequest.
      */
-    func feedController(_ feedController: FeedControllerGeneric, requestFailed error: NSError)
+    func feedController(feedController: FeedControllerGeneric, requestFailed error: NSError)
 }
 
 /**

            }
        }) { [weak self](error) -> () in
            if let delegate = self?.delegate, let strongSelf = self {
                delegate.feedController(strongSelf, requestFailed: error)
            }
        }
    }

        }

        fk_dispatch_on_queue(DispatchQueue.main) { () -> Void in
            self.delegate?.feedController(feedController: self, itemsCopy: self.items, itemsAdded: indexPathsForInsertion, itemsDeleted: indexPathsForDeletion)
        }
    }

