text: #import <Foundation/Foundation.h>
  #import "DLToolMacro.h"
  
  @interface DLKeyChainManager : NSObject
  
  dl_shareInstance(DLKeyChainManager);
  
  -(BOOL)dl_addKeyChainWithKey:(NSString *)key value:(NSString *)value;
  -(BOOL)dl_updateKeyChainWithKey:(NSString *)key value:(NSString *)value;
  -(BOOL)dl_deleteKeyChainWithKey:(NSString *)key;
  -(id)dl_getKeyChainValueWithKey:(NSString *)key;
  
  @end
  