text: //
  //  NSMutableURLRequest+BAHeaders.h
  //  BANetworking
  //
  //  Created by abel on 15/9/6.
  //  Copyright © 2015年 abel. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSMutableURLRequest (BAHeaders)
  
  - (void)ba_setAuthorizationHeaderWithOAuth2AccessToken:(NSString *)accessToken;
  - (void)ba_setAuthorizationHeaderWithUsername:(NSString *)username password:(NSString *)password;
  
  @end
  