text: //
  //  Demo1ViewController.h
  //  RichTextView
  //
  //  Created by wudan on 2020/5/23.
  //  Copyright © 2020 wudan. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  @class Model;
  @interface Demo1ViewController : UIViewController
  @property (nonatomic, strong) Model *model;
  
  @end
  
  NS_ASSUME_NONNULL_END
  