@class NSString, NSMutableDictionary, NSObject; @protocol PXAnonymousViewController; @interface PXViewControllerEventTracker : PXUserInterfaceElementEventTracker <PXViewControllerEventTracker, PXChangeObserver> @property (weak, nonatomic) NSObject<PXAnonymousViewController> *currentViewController; @property (nonatomic) long long viewSignpost; @property (readonly, nonatomic) NSString *viewName; @property (readonly, nonatomic) BOOL isViewVisible; @property (copy, nonatomic) NSMutableDictionary *payload; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)observable:(id)a0 didChange:(unsigned long long)a1 context:(void *)a2; - (void)didPerformChanges; - (void)logViewControllerDidAppear:(id)a0; - (void).cxx_destruct; - (id)initWithViewName:(id)a0; - (void)_invalidateIsViewVisible; - (void)_updateIsViewVisible; - (void)logViewControllerDidDisappear:(id)a0; - (void)setIsViewVisible:(BOOL)a0; @end