Model/ResourceModel/Config.php

<?php
/**
 * Copyright (c) Meta Platforms, Inc. and affiliates. All Rights Reserved
 */

namespace Facebook\BusinessExtension\Model\ResourceModel;

use \Magento\Framework\Model\ResourceModel\Db\AbstractDb;

class Config extends AbstractDb
{
    protected function _construct()
    {
        $this->_init('facebook_business_extension_config', 'config_key');
        $this->_isPkAutoIncrement = false;
    }
}