@class NSMutableArray, NSObject; @protocol OS_dispatch_queue; @interface PXStoryDefaultRelatedProducer : NSObject <PXStoryRelatedProducer> @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *workQueue; @property (readonly, nonatomic) NSMutableArray *activeRequests; @property (readonly, nonatomic) unsigned long long targetUpNextCount; + (id)_relatedResultFromUpNextResult:(id)a0 error:(id)a1; + (id)_requestForConfiguration:(id)a0 targetUpNextMemoryCount:(unsigned long long)a1 musicCurationParameters:(id)a2 error:(id *)a3; - (void).cxx_destruct; - (id)initWithTargetUpNextCount:(unsigned long long)a0; - (id)requestConfigurationsRelatedToConfiguration:(id)a0 withOptions:(unsigned long long)a1 musicCurationParameters:(id)a2 resultHandler:(id /* block */)a3; @end