@interface ScrollToTopView : UIView @property (copy, nonatomic) id /* block */ targetBlock; @property (copy, nonatomic) id /* block */ showBarsBlock; @property (readonly, nonatomic) double defaultHeight; - (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void).cxx_destruct; - (id)_targetScrollView; - (void)_showBars; - (void)_tappedScrollToTopView:(id)a0; - (id)initWithTargetBlock:(id /* block */)a0; @end