text: //
  //  Folder.h
  //  demo
  //
  //  Created by Phil on 2019/8/2.
  //  Copyright © 2019 Phil. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  #import "File.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface Folder : NSObject
  
  @property NSArray<Folder *> *childFolders;
  @property NSArray<File *> *childFiles;
  
  @property NSString *name;
  @property (nonatomic) CGFloat size;
  
  @end
  
  NS_ASSUME_NONNULL_END
  