@class NSUserDefaults, NSMutableSet; @interface FigCaptureProprietaryDefaults : NSObject { NSUserDefaults *_videoUserDefaults; NSUserDefaults *_audioUserDefaults; id /* block */ _defaultsChangedHandler; NSMutableSet *_observedKeys; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; BOOL _changingDefaultsMyself; } + (void)initialize; - (void)dealloc; - (id)initWithDefaultsChangedHandler:(id /* block */)a0; - (void)setObject:(id)a0 forKey:(id)a1; - (void)observeChangesForKey:(id)a0; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void)sendNotificationOfNewTransientValue:(id)a0 forKey:(id)a1; - (id)objectForKey:(id)a0; - (void)stopObservingChangesForKey:(id)a0; @end