@class NSSet, NSString, NSMutableDictionary; @interface _UICollectionLayoutAuxillaryOffsets : NSObject <_UICollectionLayoutAuxillaryOffsets, NSCopying> { NSMutableDictionary *_offsets; } @property (readonly, nonatomic) NSSet *elementKinds; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (id)indexesForElementKind:(id)a0; - (BOOL)overlapsOffsets:(id)a0; - (id)offsetsByRebasingOnOffsets:(id)a0; - (long long)offsetForElementKind:(id)a0; - (struct _NSRange { unsigned long long x0; unsigned long long x1; })rangeForElementKind:(id)a0; - (void).cxx_destruct; - (BOOL)containsIndex:(long long)a0 forElementKind:(id)a1; - (id)offsetsByApplyingOffsets:(id)a0; - (BOOL)isEqual:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end