text: //
  //  SNExceptionGuarderProtocol.h
  //  SNExceptionGuarder
  //
  //  Created by Ning Sun on 2019/1/25.
  //  Copyright © 2019 Ning Sun. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @protocol SNExceptionGuarderProtocol <NSObject>
  
  @required
  + (void)guardExceptionExchangeMethod;
  
  @end
  
  NS_ASSUME_NONNULL_END
  