System/Library/Frameworks/Foundation.framework

__NSOperationInternalObserver.h

Download __NSOperationInternalObserver.h

1. NSObject

@interface __NSOperationInternalObserver : NSObject

+ (void)_observeValueForKeyPath:(id)a0 ofObject:(id)a1 changeKind:(unsigned long long)a2 oldValue:(id)a3 newValue:(id)a4 indexes:(id)a5 context:(void *)a6;

@end