System/Library/Frameworks/AVFAudio.framework
AVAudioSourceNode.h
@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