System/Library/PrivateFrameworks/RelevanceEngine.framework
_RESetFeatureValue.h
@interface _RESetFeatureValue : REFeatureValue
+ (id)featureValueWithSet:(id)a0;
- (unsigned long long)hash;
- (BOOL)isEqual:(id)a0;
- (unsigned long long)type;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (unsigned long long)_integralFeatureValue;
@end