outputStreams DeclarationOSOrderedSet *outputStreams; OverviewAn OSSet of all of the output IOAudioStreams attached to this IOAudioEngine. See AlsoInstance VariablesworkLoopuserClientsstatusstatesampleRaterunEraseHeadnumSampleFramesPerBuffernumErasesPerBuffernumActiveUserClientsisRegisteredinputStreamsdeviceStartedAudioEnginedefaultAudioControlsconfigurationChangeInProgresscommandGateaudioEngineStopPositionaudioDevice