@class NSSet, NSMutableDictionary, UIViewController; @interface _VUIAppDocumentUpdateEventObserverContext : NSObject @property (copy, nonatomic) NSSet *eventDescriptors; @property (retain, nonatomic) NSMutableDictionary *refreshTimerByEventDescriptor; @property (copy, nonatomic) id /* block */ refreshTimerFiredBlock; @property (retain, nonatomic) UIViewController *viewController; - (void)dealloc; - (void)invalidate; - (void).cxx_destruct; - (void)_cancelAllRefreshTimers; - (void)_cancelRefreshTimer:(id)a0; - (void)_cancelRefreshTimers:(id)a0; - (id)_refreshTimerWithRefreshTimeEventDescriptor:(id)a0; - (void)_startRefreshTimer:(id)a0; - (void)updateDescriptorsWithDescriptors:(id)a0; @end