text: //
  //  UIViewController+XTool.h
  //  Pods-XTool_Example
  //
  //  Created by 项正强 on 2021/2/7.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface UIViewController (XTool)
  
  @end
  
  @interface UIViewController (XViewController)
  + (UIViewController *) x_viewController;
  @end
  
  NS_ASSUME_NONNULL_END
  