FWPlayerCacheWorker

@interface FWPlayerCacheWorker : NSObject

- (instancetype)initWithURL:(NSURL *)url;

@property (nonatomic, strong, readonly) FWPlayerCacheConfiguration *cacheConfiguration;
@property (nonatomic, strong, readonly) NSError *setupError; // Create fileHandler error, can't save/use cache

- (void)cacheData:(NSData *)data forRange:(NSRange)range error:(NSError **)error;
- (NSArray<FWPlayerCacheAction *> *)cachedDataActionsForRange:(NSRange)range;
- (NSData *)cachedDataForRange:(NSRange)range error:(NSError **)error;

- (void)setContentInfo:(FWPlayerCacheContentInfo *)contentInfo error:(NSError **)error;

- (void)save;

- (void)startWritting;
- (void)finishWritting;

@end