@class NSMapTable; @interface _UIFocusStateObserver : NSObject { NSMapTable *_observers; struct { unsigned char wasActive : 1; unsigned char supressNotifyObservers : 1; } _flags; } @property (readonly, nonatomic, getter=isActive) BOOL active; - (id)init; - (void)removeObserver:(id)a0; - (id)description; - (void).cxx_destruct; - (id)addObserver:(id /* block */)a0; - (id)descriptionBuilder; - (void)notifyObserversIfNecessary; - (void)performUpdatesAndNotifyObservers:(id /* block */)a0; @end