private static async Task ThreadMethodRemoveWatcherAync(Client c, IThrottledMarketDataStream stream)
        {
            await Task.CompletedTask;

            stream.RemoveWatcher(c);
            System.Diagnostics.Debug.WriteLine("ThreadMethodRemoveWatcherAync Thread ManagedThreadId : {0}", Thread.CurrentThread.ManagedThreadId);
        }
        private static void ThreadMethodRemoveWatcher(Client c, IThrottledMarketDataStream stream)
        {
            stream.RemoveWatcher(c);

            System.Diagnostics.Debug.WriteLine("Thread ManagedThreadId : {0}", Thread.CurrentThread.ManagedThreadId);
        }