Amnesia.SessionTracker.AsyncDependentActivityEnded C# (CSharp) Method

        public void AsyncDependentActivityEnded()
        {
            lock (fieldsLock)
            {
                DecrementActivityCount();
            }
        }

 public void Ended()
 {
     try
     {
         tracker.AsyncDependentActivityEnded();
     }
     finally
     {
         doneEvent.Set();
     }
 }