@class NSKeyValueObservationInfo, NSKeyValueObservance, NSKeyValueProperty, NSObject;
@interface NSKeyValueShareableObservationInfoKey : NSObject {
BOOL _addingNotRemoving;
NSKeyValueObservationInfo *_baseObservationInfo;
NSObject *_additionObserver;
NSKeyValueProperty *_additionProperty;
unsigned long long _additionOptions;
void *_additionContext;
NSObject *_additionOriginalObservable;
NSKeyValueObservance *_removalObservance;
unsigned long long _removalObservanceIndex;
unsigned long long _cachedHash;
}
@end