text: //
  //  STPSource+Private.h
  //  Stripe
  //
  //  Created by Ben Guo on 2/17/17.
  //  Copyright © 2017 Stripe, Inc. All rights reserved.
  //
  
  #import "STPSource.h"
  #import "STPInternalAPIResponseDecodable.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface STPSource () <STPInternalAPIResponseDecodable>
  
  + (STPSourceType)typeFromString:(NSString *)string;
  + (nullable NSString *)stringFromType:(STPSourceType)type;
  
  + (nullable NSString *)stringFromFlow:(STPSourceFlow)flow;
  
  + (nullable NSString *)stringFromUsage:(STPSourceUsage)usage;
  
  @end
  
  NS_ASSUME_NONNULL_END
  