@class NSString; @interface AVAudioSourceNode : AVAudioNode <AVAudioMixing> @property (nonatomic) float volume; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id /* block */)pullInputBlockFromRenderBlock:(id /* block */)a0; - (id)initWithFormat:(id)a0 renderBlock:(id /* block */)a1; - (id)initWithRenderBlock:(id /* block */)a0; @end