text: //
  //  NSObject+Addition.h
  //  iOSBasicDemo
  //
  //  Created by shavekevin on 2019/8/14.
  //  Copyright © 2019 小风. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface NSObject (Addition)
  
  @property(nonatomic, copy) NSString *mustBeCount;
  
  @end
  
  NS_ASSUME_NONNULL_END
  