async Task DoCancel()
        {
            OperationError = null;
            IsBusy         = true;

            try
            {
                if (Model?.Id != null)
                {
                    if (pullRequestService.ConfirmCancelPendingReview())
                    {
                        await session.CancelReview();

                        Close();
                    }
                }
                else
                {
                    Close();
                }
            }
            catch (Exception ex)
            {
                OperationError = ex.Message;
            }
            finally
            {
                IsBusy = false;
            }
        }
        async Task DoCancel()
        {
            OperationError = null;
            IsBusy         = true;

            try
            {
                if (Model?.Id != null)
                {
                    if (pullRequestService.ConfirmCancelPendingReview())
                    {
                        await session.CancelReview();

                        Close();
                    }
                }
                else
                {
                    Close();
                }

                await draftStore.DeleteDraft(GetDraftKey(), string.Empty).ConfigureAwait(true);
            }
            catch (Exception ex)
            {
                OperationError = ex.Message;
            }
            finally
            {
                IsBusy = false;
            }
        }