@class AVWeakReference, NSObject;
@protocol OS_dispatch_queue, AVAssetWriterInputMediaDataRequesterDelegate;
@interface AVAssetWriterInputMediaDataRequester : NSObject {
id /* block */ _requestBlock;
NSObject<OS_dispatch_queue> *_ivarAccessQueue;
AVWeakReference *_weakReferenceToDelegate;
}
@property (readonly, nonatomic) NSObject<OS_dispatch_queue> *requestQueue;
@property (weak) id<AVAssetWriterInputMediaDataRequesterDelegate> delegate;
- (id)init;
- (void)dealloc;
- (void)_collectUncollectables_invokedFromDeallocAndFinalize;
- (id)initWithRequestQueue:(id)a0 requestBlock:(id /* block */)a1;
- (void)requestMediaDataIfNecessary;
@end