/**
* {@inheritdoc}
*/
public function createEmptyCart()
{
/** @var $quoteIdMask \Magento\Quote\Model\QuoteIdMask */
$quoteIdMask = $this->quoteIdMaskFactory->create();
$cartId = $this->quoteManagement->createEmptyCart();
$quoteIdMask->setQuoteId($cartId)->save();
return $quoteIdMask->getMaskedId();
}