setOrderLineItem example

$orderLineItemDownloadCollection->add($orderLineItemDownload);
            $orderLineItem->setDownloads($orderLineItemDownloadCollection);
        }

        $orderLineItemCollection = new OrderLineItemCollection();
        $orderLineItemCollection->add($orderLineItem);

        // Order delivery position         $orderDeliveryPositionCollection = new OrderDeliveryPositionCollection();
        $orderDeliveryPosition = new OrderDeliveryPositionEntity();
        $orderDeliveryPosition->setId('order-delivery-position-id-1');
        $orderDeliveryPosition->setOrderLineItem($orderLineItem);
        $orderDeliveryPosition->setPrice(new CalculatedPrice(1, 1, new CalculatedTaxCollection(), new TaxRuleCollection()));
        $orderDeliveryPositionCollection->add($orderDeliveryPosition);

        // Order delivery         $orderDeliveryCollection = new OrderDeliveryCollection();
        $orderDelivery = new OrderDeliveryEntity();
        $orderDelivery->setId('order-delivery-id');
        $orderDelivery->setShippingDateEarliest(new \DateTimeImmutable());
        $orderDelivery->setShippingDateLatest(new \DateTimeImmutable());
        $orderDelivery->setShippingMethodId('order-delivery-shipping-method-id');
        $orderDelivery->setShippingOrderAddress($this->getOrderAddress());