@class NSString, NSMapTable; @protocol SBSystemApertureDynamicsHandling, SBSystemApertureElement, SAInvalidatable, SBSystemAperturePlatformElementHostingDelegate; @interface SBSystemAperturePlatformElementHost : NSObject { NSMapTable *_reasonsToUrgencyAssertions; id _element; id _delegate; } @property (readonly, weak, nonatomic) id urgentAndImportantAssertion; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (id)_urgencyAssertionWithReason:(id)a0 creatingIfNecessary:(BOOL)a1; - (void)elementRequestsDiscreteAnimationOfType:(long long)a0; - (id)elementRequestsPersistentAnimationOfType:(long long)a0; - (id)initWithElement:(id)a0 delegate:(id)a1; - (id)requestUrgentAndImportantPriorityWithReason:(id)a0; @end