newsupernova/vendor/magento/module-inventory-source-selection/etc/di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\InventoryRequestInterface"
                type="Magento\InventorySourceSelection\Model\Request\InventoryRequest"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\ItemRequestInterface"
                type="Magento\InventorySourceSelection\Model\Request\ItemRequest"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\SourceSelectionAlgorithmInterface"
                type="Magento\InventorySourceSelection\Model\SourceSelectionAlgorithm"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\SourceSelectionItemInterface"
                type="Magento\InventorySourceSelection\Model\Result\SourceSelectionItem"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\SourceSelectionResultInterface"
                type="Magento\InventorySourceSelection\Model\Result\SourceSelectionResult"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\GetDefaultSourceSelectionAlgorithmCodeInterface"
                type="Magento\InventorySourceSelection\Model\GetDefaultSourceSelectionAlgorithmCode"/>
    <preference for="Magento\InventorySourceSelectionApi\Api\Data\AddressInterface"
                type="Magento\InventorySourceSelection\Model\Address"/>

    <type name="Magento\InventorySourceSelectionApi\Model\SourceSelectionService">
        <arguments>
            <argument name="sourceSelectionMethods" xsi:type="array">
                <item name="priority"
                      xsi:type="string">Magento\InventorySourceSelection\Model\Algorithms\PriorityBasedAlgorithm</item>
            </argument>
        </arguments>
    </type>

</config>