text: //
  //  BViewController.h
  //  KLProjectRoot
  //
  //  Created by King on 2018/11/7.
  //  Copyright © 2018 king. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface BViewController : UIViewController
  
  @end
  
  NS_ASSUME_NONNULL_END
  