@class NSString, NSMutableSet; @interface _UILAConfigurationHistory : NSObject <_UILAPropertySource, NSCopying> @property (nonatomic) BOOL hasEstablishedBaseValues; @property (nonatomic, getter=isInLayoutArrangementUpdateSection) BOOL inLayoutArrangementUpdateSection; @property (nonatomic) long long axis; @property (nonatomic) BOOL layoutFillsCanvas; @property (nonatomic) BOOL layoutUsesCanvasMarginsWhenFilling; @property (readonly, nonatomic) NSMutableSet *_newlyHiddenItems; @property (readonly, nonatomic) NSMutableSet *_newlyUnhiddenItems; @property (readonly, nonatomic) NSMutableSet *invalidBaselineConstraints; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end