requirejs-config.js

/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

var config = {
    map: {
        '*': {
            multiShipping: 'Magento_Multishipping/js/multi-shipping',
            orderOverview: 'Magento_Multishipping/js/overview',
            payment: 'Magento_Multishipping/js/payment',
            billingLoader: 'Magento_Checkout/js/checkout-loader',
            cartUpdate: 'Magento_Checkout/js/action/update-shopping-cart'
        }
    }
};