public Task FinishAsync(StockDeliveryInfoResponseTask task, CancellationToken cancellationToken = default)
        {
            this.OnStateChange();

            return(this.Workflow.SendResponseAsync(new StockDeliveryInfoResponse(this.Request, task), cancellationToken));
        }
        public void Finish(StockDeliveryInfoResponseTask task)
        {
            this.OnStateChange();

            this.Workflow.SendResponse(new StockDeliveryInfoResponse(this.Request, task));
        }