                                                    y: parallaxHeaderViewMinY,
                                                    width: view.frame.width,
                                                    height: parallaxHeaderHeight)
+        
+        headerTransitionView.frame = parallaxHeaderContainerView.frame
     }
     
     private func setPageTabBarViewPosition() {

        return transitionView
    }()
    
    internal let supplementaryContainerView = SupplementaryView()
    
    open var isStretchy = true {

            revealingGapHeight = minimumCollapseOffset
            break
        case .refresh:
            if resetContentOffset {
                revealingGapHeight = parallaxHeaderHeight
            }
            break
        }
        
