System/Library/PrivateFrameworks/RelevanceEngine.framework
RERule.h
@interface RERule : NSObject <NSCopying>
@property (nonatomic) float priority;
- (id)init;
- (unsigned long long)hash;
- (id)description;
- (BOOL)isEqual:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
@end