@class NSMutableSet; @interface _REMutableFeatureSet : REMutableFeatureSet { NSMutableSet *_names; NSMutableSet *_features; } - (id)init; - (id)initWithCapacity:(unsigned long long)a0; - (id)initWithFeatures:(id)a0; - (unsigned long long)count; - (void).cxx_destruct; - (unsigned long long)countByEnumeratingWithState:(struct { unsigned long long x0; id *x1; unsigned long long *x2; unsigned long long x3[5]; } *)a0 objects:(id *)a1 count:(unsigned long long)a2; - (void)addFeature:(id)a0; - (id)initWithFeature:(id)a0; - (id)featureWithName:(id)a0; - (void)removeFeature:(id)a0; - (BOOL)containsFeature:(id)a0; - (void)removeAllFeatures; @end