text: //
  //  PnrUITool.h
  //  PoporNetRecord_Example
  //
  //  Created by apple on 2019/11/18.
  //  Copyright © 2019 wangkq. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface PnrUITool : NSObject
  
  + (int)fetchTopMargin:(UINavigationController *)nc;
  
  @end
  
  NS_ASSUME_NONNULL_END
  