@class NSString; @protocol CRKSettingsUIVisibilityProvider; @interface PSUIClassroomVisibilityArbitrator : NSObject @property (retain, nonatomic) id<CRKSettingsUIVisibilityProvider> visibilityProvider; @property (nonatomic) unsigned long long visibilityState; @property (copy, nonatomic) NSString *paneStatus; @property (copy, nonatomic) id /* block */ visibilityStateChangeHandler; @property (copy, nonatomic) id /* block */ paneStatusChangeHandler; + (id)visibilityProviderKeyPaths; - (id)init; - (void)reloadVisibilityState; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (void)connectToDaemon; - (void)updatePaneStatus; - (void)stopObservingVisibilityProvider; - (void)startObservingVisibilityProvider; @end