System/Library/Frameworks/SoundAnalysis.framework
SNKVOTrampoline.h
@interface SNKVOTrampoline : NSObject {
void /* unknown type, empty encoding */ observeValue;
}
@property (nonatomic, copy) id /* block */ observeValue;
- (id)init;
- (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3;
- (void).cxx_destruct;
@end