/**
  * @param \Magento\Quote\Api\Data\AddressInterface $shippingAddress
  * @return \Magento\Quote\Api\Data\ShippingInterface
  */
 public function create(\Magento\Quote\Api\Data\AddressInterface $shippingAddress)
 {
     /** @var \Magento\Quote\Api\Data\ShippingInterface $shipping */
     $shipping = $this->shippingFactory->create();
     $shipping->setMethod($shippingAddress->getShippingMethod());
     $shipping->setAddress($shippingAddress);
     return $shipping;
 }