AVPlayerItemIntegratedTimeline.BoundaryTimes An asynchronous sequence of boundary time values. Declarationstruct BoundaryTimes TopicsIterating elementsAVPlayerItemIntegratedTimeline.BoundaryTimes.Iterator RelationshipsConforms ToAsyncSequenceSendableSendableMetatype See AlsoObserving time changesperiodicTimes(forInterval:)boundaryTimes(for:offsetsIntoSegment:)AVPlayerItemIntegratedTimeline.PeriodicTimesAVPlayerItemIntegratedTimelineObserver