text: //
  //  BWKeyChain.h
  //  Challenge
  //
  //  Created by 王貝 on 7/28/16.
  //  Copyright © 2016 Begodya. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface BWKeyChain : NSObject
  
  + (NSMutableDictionary *)getKeyChainQuery:(NSString *)keyInfo;
  
  + (void)save:(NSString *)keyInfo data:(id)data;
  
  + (id)load:(NSString *)keyInfo;
  
  + (void)delete:(NSString *)keyInfo;
  
  @end
  