         guard let refreshView = self.refreshView else {
             return
         }
+
         refreshView.pullToRefreshAnimationDidEnd(refreshView, direction: direction)
 
         let updateClosure = {

        }
    }

    private var refersherContentInset: UIEdgeInsets {
        if #available(iOS 11.0, *) {
            return scrollView.adjustedContentInset
        } else {

            guard let refreshView = self.refreshView else {
                return
            }

            refreshView.pullToRefreshAnimationDidStart(refreshView, direction: self.direction)
            self.action(self.scrollView)
        }
