text: //
  //  NSObject+Properties.h
  //  JSUtility
  //
  //  Created by John Setting on 8/30/16.
  //  Copyright © 2016 John Setting. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSObject (Properties)
  - (NSDictionary *)propertiesOfObject;
  + (NSDictionary *)propertiesOfClass:(Class)classObject;
  + (NSDictionary *)propertiesOfSubclass:(Class)classObject;
  - (void)performSelector:(SEL)selector argument:(id)argument;
  @end
  