The \Magento\Tax\Api\Data\OrderTaxDetailsItemInterface is implemented by the \Magento\Sales\Model\Order\Tax\Item class

dmitry_fedyuk · April 29, 2016, 3:35am

magento/magento2/blob/958164/app/code/Magento/Tax/Api/Data/OrderTaxDetailsItemInterface.php#L10-L10


interface OrderTaxDetailsItemInterface extends \Magento\Framework\Api\ExtensibleDataInterface

github.com

magento/magento2/blob/958164/app/code/Magento/Tax/etc/di.xml#L45-L45


<preference for="Magento\Tax\Api\Data\OrderTaxDetailsItemInterface" type="Magento\Sales\Model\Order\Tax\Item" />

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/Order/Tax/Item.php#L8-L12


/**
* Sales Order Tax Item model
*/
class Item extends \Magento\Framework\Model\AbstractExtensibleModel implements
   \Magento\Tax\Api\Data\OrderTaxDetailsItemInterface