text: //
  //  DMRIteratorAggregate.h
  //  IOS_DesignMode_Demo
  //
  //  Created by Mac on 2018/7/17.
  //  Copyright © 2018年 Riven. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @protocol DMRIteratorIterator;
  
  @protocol DMRIteratorAggregate <NSObject>
  //@property (nonatomic, strong, nonnull) id<DMRIteratorIterator> iterator;
  
  - (nonnull id<DMRIteratorIterator>)iterator;
  @end
  
  NS_ASSUME_NONNULL_END
  