System/Library/Frameworks/SoundAnalysis.framework
SNAtomicUtils.h
@interface SNAtomicUtils : NSObject
+ (BOOL)atomicAdd:(long long)a0 notSurpassing:(long long)a1 atAddress:(void *)a2;
+ (long long)atomicUpdateValue:(id /* block */)a0 atAddress:(void *)a1;
- (id)init;
@end