@class NSArray, NSString, NSLayoutYAxisAnchor, NSLayoutDimension; @interface _UILayoutSpacer : UILayoutGuide <UILayoutSupport> @property (nonatomic, getter=_isHorizontal, setter=_setHorizontal:) BOOL _horizontal; @property (nonatomic, setter=_setCompatibilityGuideAllowsArchivingAsSubview:) BOOL _compatibilityGuideAllowsArchivingAsSubview; @property (copy, nonatomic, setter=_setConstraintsToRemoveAtRuntime:) NSArray *_constraintsToRemoveAtRuntime; @property (copy, nonatomic, setter=_setArchivedIdentifier:) NSString *_archivedIdentifier; @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)_verticalLayoutSpacer; + (id)_horizontalLayoutSpacer; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (id)_layoutVariablesWithAmbiguousValue; - (void)_setUpCounterDimensionConstraint; - (id)initWithCoder:(id)a0; @end