@protocol CALNTimeToLeaveRefreshMonitorDelegate; @interface CALNNullTimeToLeaveRefreshMonitor : NSObject <CALNTimeToLeaveRefreshMonitor> @property (class, readonly, nonatomic) CALNNullTimeToLeaveRefreshMonitor *sharedInstance; @property (weak, nonatomic) id<CALNTimeToLeaveRefreshMonitorDelegate> delegate; - (void)setUpRefreshTimerWithTriggerDate:(id)a0 eventExternalURL:(id)a1; - (void)removeRefreshTimerForEventExternalURL:(id)a0; - (void).cxx_destruct; @end