private void RemoveToast(Guid toastId)
        {
            InvokeAsync(async() =>
            {
                await displayedToastsSemaphore.WaitAsync();

                try
                {
                    var toastInstance = DisplayedToasts.SingleOrDefault(x => x.Id == toastId);

                    if (toastInstance is null)
                    {
                        return;
                    }

                    toastInstance.Settings.Status = ToastStatus.Hide;

                    if (DisplayedToasts.Where(x => x.Settings.Status == ToastStatus.FadeOut).Count() == 0)
                    {
                        DisplayedToasts.RemoveAll(x => x.Settings.Status == ToastStatus.Hide);
                    }

                    StateHasChanged();

                    FlushPendingToasts();
                }
                finally
                {
                    displayedToastsSemaphore.Release();
                }
            });
        }
        /// <summary>
        /// Closes a toast and removes it from the anchor, with a fade out routine.
        /// </summary>
        /// <param name="toastId"></param>
        public void CloseToast(Guid toastId)
        {
            InvokeAsync(async() =>
            {
                await displayedToastsSemaphore.WaitAsync();

                try
                {
                    var toastInstance = DisplayedToasts.SingleOrDefault(x => x.Id == toastId);

                    if (toastInstance is null)
                    {
                        return;
                    }

                    toastInstance.Settings.Status = ToastStatus.FadeOut;
                    StateHasChanged();
                }
                finally
                {
                    displayedToastsSemaphore.Release();
                }

                var toastTimer       = new System.Timers.Timer(500);
                toastTimer.Elapsed  += (sender, args) => { RemoveToast(toastId); };
                toastTimer.AutoReset = false;
                toastTimer.Start();

                StateHasChanged();
            });
        }