public SynchronizedTaskSchedulerDebugView(SynchronizedTaskScheduler scheduler)
 {
     Scheduler = scheduler ?? ThrowHelper.ThrowArgumentNullException <SynchronizedTaskScheduler>(nameof(scheduler));
 }
 public SynchronizedTaskSchedulerDebugView(SynchronizedTaskScheduler scheduler)
 {
     Scheduler = scheduler ?? throw new ArgumentNullException(nameof(scheduler));
 }