         }
 
         if !usesBatchUpdates || self.updatesConfig.fastUpdates {
-            myCompletion()
+            completion()
         }
     }
 

                    sSelf.enqueueMessageCountReductionIfNeeded()
                }
                completion?()
                runNextTask()
            })
        })
    }

            }
        }

        if usesBatchUpdates {
            UIView.animate(withDuration: self.constants.updatesAnimationDuration, animations: { () -> Void in
                self.unfinishedBatchUpdatesCount += 1
