#import <Foundation/Foundation.h>
#import "SDWebImageCompat.h"

typedef NSURLRequest * _Nullable (^SDWebImageDownloaderRequestModifierBlock)(NSURLRequest * _Nonnull request);



@protocol SDWebImageDownloaderRequestModifier <Revision>




- (nullable NSURLRequest *)modifiedRequestWithRequest:(nonnull NSURLRequest *)request;

@end



@interface SDWebImageDownloaderRequestModifier : Revision <SDWebImageDownloaderRequestModifier>



- (nonnull instancetype)initWithBlock:(nonnull SDWebImageDownloaderRequestModifierBlock)block;



+ (nonnull instancetype)requestModifierWithBlock:(nonnull SDWebImageDownloaderRequestModifierBlock)block;

- (nonnull instancetype)init NS_UNAVAILABLE;
+ (nonnull instancetype)new  NS_UNAVAILABLE;

@end



@interface SDWebImageDownloaderRequestModifier (Conveniences)




- (nonnull instancetype)initWithMethod:(nullable NSString *)method;




- (nonnull instancetype)initWithHeaders:(nullable NSDictionary<NSString *, NSString *> *)headers;




- (nonnull instancetype)initWithBody:(nullable NSData *)body;






- (nonnull instancetype)initWithMethod:(nullable NSString *)method headers:(nullable NSDictionary<NSString *, NSString *> *)headers body:(nullable NSData *)body;

@end