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- /*
- * This file is part of the SDWebImage package.
- * (c) Olivier Poitrey <rs@dailymotion.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- #import <Foundation/Foundation.h>
- #import "BU_SDWebImageCompat.h"
- typedef NSURLRequest * _Nullable (^SDWebImageDownloaderRequestModifierBlock)(NSURLRequest * _Nonnull request);
- /**
- This is the protocol for downloader request modifier.
- We can use a block to specify the downloader request modifier. But Using protocol can make this extensible, and allow Swift user to use it easily instead of using `@convention(block)` to store a block into context options.
- */
- @protocol SDWebImageDownloaderRequestModifier <NSObject>
- - (nullable NSURLRequest *)modifiedRequestWithRequest:(nonnull NSURLRequest *)request;
- @end
- /**
- A downloader request modifier class with block.
- */
- @interface BU_SDWebImageDownloaderRequestModifier : NSObject <SDWebImageDownloaderRequestModifier>
- - (nonnull instancetype)initWithBlock:(nonnull SDWebImageDownloaderRequestModifierBlock)block;
- + (nonnull instancetype)requestModifierWithBlock:(nonnull SDWebImageDownloaderRequestModifierBlock)block;
- @end
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