参数替换
<!-- <moduleDir>/etc/<area>/di.xml -->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
<!-- ... -->
<type name="Vendor\Namespace\Model\SomeClass">
<arguments>
<argument name="object" xsi:type="object">Vendor\Namespace\Model\SomeOtherClass</argument>
</arguments>
</type>
</config>