@class NSMutableArray; @interface VMUScanOverlay : NSObject @property (readonly, nonatomic) NSMutableArray *refinementRules; + (BOOL)foundationHasNSSliceMemoryOptimization; + (id)defaultOverlay; + (id)defaultOverlayWithScanner:(id)a0; - (id)initWithScanner:(id)a0; - (void).cxx_destruct; - (void)addMetadataRefinementRule:(id /* block */)a0; @end