/**
  * Map item extra taxables
  *
  * @param \Magento\Tax\Api\Data\QuoteDetailsItemInterfaceFactory $itemDataObjectFactory
  * @param AbstractItem $item
  * @param bool $priceIncludesTax
  * @param bool $useBaseCurrency
  * @return \Magento\Tax\Api\Data\QuoteDetailsItemInterface[]
  */
 public function mapItemExtraTaxables(\Magento\Tax\Api\Data\QuoteDetailsItemInterfaceFactory $itemDataObjectFactory, AbstractItem $item, $priceIncludesTax, $useBaseCurrency)
 {
     $itemDataObjects = [];
     $extraTaxables = $item->getAssociatedTaxables();
     if (!$extraTaxables) {
         return [];
     }
     foreach ($extraTaxables as $extraTaxable) {
         $extraTaxableIncludesTax = isset($extraTaxable['price_includes_tax']) ? $extraTaxable['price_includes_tax'] : $priceIncludesTax;
         if ($useBaseCurrency) {
             $unitPrice = $extraTaxable[self::KEY_ASSOCIATED_TAXABLE_BASE_UNIT_PRICE];
         } else {
             $unitPrice = $extraTaxable[self::KEY_ASSOCIATED_TAXABLE_UNIT_PRICE];
         }
         /** @var \Magento\Tax\Api\Data\QuoteDetailsItemInterface $itemDataObject */
         $itemDataObject = $itemDataObjectFactory->create();
         $itemDataObject->setCode($extraTaxable[self::KEY_ASSOCIATED_TAXABLE_CODE])->setType($extraTaxable[self::KEY_ASSOCIATED_TAXABLE_TYPE])->setQuantity($extraTaxable[self::KEY_ASSOCIATED_TAXABLE_QUANTITY])->setTaxClassKey($this->taxClassKeyDataObjectFactory->create()->setType(TaxClassKeyInterface::TYPE_ID)->setValue($extraTaxable[self::KEY_ASSOCIATED_TAXABLE_TAX_CLASS_ID]))->setUnitPrice($unitPrice)->setIsTaxIncluded($extraTaxableIncludesTax)->setAssociatedItemCode($item->getTaxCalculationItemId());
         $itemDataObjects[] = $itemDataObject;
     }
     return $itemDataObjects;
 }