text: //
  //  YYDog.h
  //  Pthread
  //
  //  Created by Yanyan Jiang on 2020/12/4.
  //  Copyright © 2020 Yanyan Jiang. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface YYDog : NSObject
  
  @end
  
  NS_ASSUME_NONNULL_END
  