text: //
  //  SEGCrypto.h
  //  Analytics
  //
  //  Copyright © 2016 Segment. All rights reserved.
  //
  
  @import Foundation;
  
  @protocol SEGCrypto <NSObject>
  
  - (NSData *_Nullable)encrypt:(NSData *_Nonnull)data;
  - (NSData *_Nullable)decrypt:(NSData *_Nonnull)data;
  
  @end
  