text: /**
   *
   * Created by https://github.com/mythkiven/ on 19/07/01.
   * Copyright © 2019年 mythkiven. All rights reserved.
   *
   */
  
  
  #import <Foundation/Foundation.h>
  
  @interface MKMemoryHelper : NSObject
  
  + (int64_t)memoryUsage;
  + (unsigned long long)bytesOfUsedMemory;
  
  @end
  