@class NSMutableDictionary, NSString, NSObject, NSMutableArray; @protocol OS_dispatch_queue; @interface AVTOrderedIndexBasedTaskScheduler : NSObject <AVTIndexBasedTaskScheduler> @property (readonly, nonatomic) NSMutableDictionary *scheduledTasks; @property (readonly, nonatomic) NSMutableArray *scheduledTasksOrder; @property (readonly, nonatomic) NSMutableDictionary *readyTasks; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *stateLock; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)indexesForReadyTasksToRunGivenScheduledTasks:(id)a0 order:(id)a1 readyTasks:(id)a2 readyRowIndex:(id)a3; + (id)rowBaseIndexForIndex:(id)a0; - (void)cancelTask:(id /* block */)a0; - (id)initWithEnvironment:(id)a0; - (void).cxx_destruct; - (void)cancelAllTasks; - (void)performStateWork:(id /* block */)a0; - (void)scheduleTask:(id /* block */)a0 forIndex:(unsigned long long)a1; - (void)taskReady:(id /* block */)a0 forIndex:(unsigned long long)a1; @end