di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <virtualType name="Firegento\ContentProvisioning\Model\Config\Reader" type="Magento\Framework\Config\Reader\Filesystem">
        <arguments>
            <argument name="fileName" xsi:type="string">content_provisioning.xml</argument>
            <argument name="converter" xsi:type="object">Firegento\ContentProvisioning\Model\Config\Converter</argument>
            <argument name="schemaLocator" xsi:type="object">Firegento\ContentProvisioning\Model\Config\SchemaLocator</argument>
            <argument name="idAttributes" xsi:type="array">
                <item name="/config/page" xsi:type="string">identifier</item>
                <item name="/config/block" xsi:type="string">identifier</item>
            </argument>
        </arguments>
    </virtualType>
    <type name="Firegento\ContentProvisioning\Model\Config\Data">
        <arguments>
            <argument name="reader" xsi:type="object">Firegento\ContentProvisioning\Model\Config\Reader</argument>
            <argument name="cacheId" xsi:type="string">content_provisioning_config</argument>
        </arguments>
    </type>
</config>