text: //
  //  BUAdManager.h
  //  BUDemo
  //
  //  Created by carlliu on 2017/7/27.
  //  Copyright © 2017年 chenren. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface BUDAdManager : NSObject
  + (NSString *)appKey;
  
  @end
  