@class NSString; @interface VCStreamInputAudio : VCStreamInput { void /* function */ *_sampleBufferDelegateCallback; void *_sampleBufferDelegateCallbackContext; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _sampleBufferDelegateCallbackLock; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)dealloc; - (id)initWithStreamInputID:(id)a0 format:(struct opaqueCMFormatDescription { } *)a1 delegate:(id)a2 delegateQueue:(id)a3 remoteQueue:(id)a4; - (void)registerSampleBufferCallback:(void /* function */ *)a0 context:(void *)a1; @end