@class BPSMulticast, NSNumber; @protocol BPSSubscriber; @interface BPSMulticastDownstream : BMBookmarkablePublisher @property (readonly, nonatomic) BPSMulticast *multicast; @property (retain, nonatomic) NSNumber *identifier; @property (retain, nonatomic) id<BPSSubscriber> subscriber; - (id)startWithSubscriber:(id)a0; - (BOOL)completed; - (void)reset; - (id)nextEvent; - (id)upstreamPublishers; - (void).cxx_destruct; - (id)initWithMulticast:(id)a0; @end