<virtualType name="KpTaxOrderLine"
             type="Klarna\Core\Model\Checkout\Orderline\Tax">
    <arguments>
        <argument name="klarnaConfig" xsi:type="object">
            KpKlarnaConfig
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the base area. Base area configurations will apply to all the sub-applications.

This virtualType configuration tells the Object Manager when a user wants a virtual KpTaxOrderLine object that it should return a Klarna\Core\Model\Checkout\Orderline\Tax object.

This configuration tells the Object Manager that when a user wants a KpTaxOrderLine object that the following arguments should be used in the foo object's constructor.

• $klarnaConfig = new KpKlarnaConfig (...)