text: //
  //  UIView+HollowOut.h
  //  TreasureChest
  //
  //  Created by ming on 2020/11/8.
  //  Copyright © 2020 xiao ming. All rights reserved.
  //  
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface UIView (HollowOut)
  
  - (void)hollowOutWithRect:(CGRect)rect;
  
  @end
  
  NS_ASSUME_NONNULL_END
  