/// <reference types="node" />
import { DataSource } from './data-source.js';
/**
 * A factory function used to create a data source
 * implementation given a URL.
 * @param url the URL pointing to the data source.
 * This can be either a string or a URL object.
 * @returns a data source implementation.
 * @throws an error if no data source implementations
 * support the given URL.
 */
export declare const createDataSource: (url: URL | string) => DataSource;