<virtualType name="Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked"
             type="Magento\Framework\Reflection\ExtensionAttributesProcessor">
    <arguments>
        <argument name="isPermissionChecked" xsi:type="boolean">
            true
        </argument>
        <argument name="dataObjectProcessor" xsi:type="object">
            Magento\Framework\Reflection\DataObjectProcessor\Proxy
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the webapi_soap area. This is the area that corresponds with the SOAP Api sub-application.

This virtualType configuration tells the Object Manager when a user wants a virtual Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked object that it should return a Magento\Framework\Reflection\ExtensionAttributesProcessor object.

This configuration tells the Object Manager that when a user wants a Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked object that the following arguments should be used in the foo object's constructor.

• $isPermissionChecked = true;
• $dataObjectProcessor = new Magento\Framework\Reflection\DataObjectProcessor\Proxy (...)

<virtualType name="Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked"
             type="Magento\Framework\Reflection\ExtensionAttributesProcessor">
    <arguments>
        <argument name="isPermissionChecked" xsi:type="boolean">
            true
        </argument>
        <argument name="dataObjectProcessor" xsi:type="object">
            Magento\Framework\Reflection\DataObjectProcessor\Proxy
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the webapi_rest area. This is the area that corresponds with the REST Api sub-application.

This virtualType configuration tells the Object Manager when a user wants a virtual Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked object that it should return a Magento\Framework\Reflection\ExtensionAttributesProcessor object.

This configuration tells the Object Manager that when a user wants a Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked object that the following arguments should be used in the foo object's constructor.

• $isPermissionChecked = true;
• $dataObjectProcessor = new Magento\Framework\Reflection\DataObjectProcessor\Proxy (...)