@interface AVAudioIONode : AVAudioNode @property (readonly, nonatomic) double presentationLatency; @property (readonly, nonatomic) struct OpaqueAudioComponentInstance { } *audioUnit; @property (readonly, nonatomic, getter=isVoiceProcessingEnabled) BOOL voiceProcessingEnabled; - (BOOL)isInManualRenderingMode; - (void)didAttachToEngine:(id)a0; - (long long)manualRenderingMode; - (BOOL)enableRealtimeRenderingModeWithIOUnit:(void *)a0 isInput:(BOOL)a1 forceIOUnitReset:(BOOL)a2; - (void)didDetachFromEngine:(id)a0 error:(id *)a1; - (BOOL)enableManualRenderingMode:(long long)a0 isInput:(BOOL)a1; - (id)initWithIOUnit:(void *)a0 isInput:(BOOL)a1; - (BOOL)setVoiceProcessingEnabled:(BOOL)a0 error:(id *)a1; @end