@class NSString, NSMutableSet; @protocol SVXPerforming, SVXTaskTrackingCenterDelegate; @interface SVXTaskTrackingCenter : NSObject { id _performer; NSMutableSet *_contexts; id _delegate; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (void)_beginContext:(id)a0; - (void)_endContext:(id)a0; - (void)_endContextsPassingTest:(id /* block */)a0; - (id)beginTrackingTaskWithContext:(id)a0 instrumentationContext:(id)a1; - (void)endTrackingAllTasks; - (void)endTrackingTaskWithContext:(id)a0; - (void)endTrackingTasksPassingTest:(id /* block */)a0; - (void)getContextsOfAllTrackedTasksUsingBlock:(id /* block */)a0; - (void)getContextsOfAllTrackedTasksUsingSyncBlock:(id /* block */)a0; - (id)initWithPerformer:(id)a0 delegate:(id)a1; - (void)taskTracker:(id)a0 childWillBegin:(id)a1; - (void)taskTrackerDidEnd:(id)a0; @end