@class NSString, NSArray, NSLayoutYAxisAnchor, NSLayoutDimension; @interface _UILayoutGuide : UIView <UILayoutSupport> @property (nonatomic, getter=isHorizontal, setter=_setHorizontal:) BOOL _horizontal; @property (copy, nonatomic, setter=_setArchivedIdentifier:) NSString *_archivedIdentifier; @property (nonatomic, setter=_setAllowsArchivingAsSubview:) BOOL _allowsArchivingAsSubview; @property (copy, nonatomic, setter=_setConstraintsToRemoveAtRuntime:) NSArray *_constraintsToRemoveAtRuntime; @property (readonly, nonatomic) double length; @property (readonly) NSLayoutYAxisAnchor *topAnchor; @property (readonly) NSLayoutYAxisAnchor *bottomAnchor; @property (readonly) NSLayoutDimension *heightAnchor; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)classFallbacksForKeyedArchiver; + (id)_horizontalLayoutGuide; + (id)_verticalLayoutGuide; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)_layoutVariablesWithAmbiguousValue; - (void)_setUpCounterDimensionConstraint; - (id)initWithCoder:(id)a0; - (BOOL)_isFloatingLayoutItem; @end