@class NSString, UIVisualEffectView, NSHashTable; @interface PKCompactNavigationContainedNavigationController : UINavigationController <PKObservableContentContainer> { UIVisualEffectView *_backdropView; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _observersLock; NSHashTable *_observers; } @property (readonly, nonatomic) unsigned long long style; @property (readonly, nonatomic) struct CGSize { double x0; double x1; } preferredContentSize; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)pushViewController:(id)a0 animated:(BOOL)a1; - (id)_observers; - (void)preferredContentSizeDidChangeForChildContentContainer:(id)a0; - (void)viewWillLayoutSubviews; - (id)initWithStyle:(unsigned long long)a0; - (void)viewDidLoad; - (void)loadView; - (id)initWithNibName:(id)a0 bundle:(id)a1; - (BOOL)_canShowWhileLocked; - (void).cxx_destruct; - (void)removeContentContainerObserver:(id)a0; - (void)addContentContainerObserver:(id)a0; @end