import type { ExtendInterface } from './types';
/**
 * Extends an object with another, following the same syntax as `$.extend` - see {@link http://api.jquery.com/jquery.extend/}.
 *
 * @param arg1 - If the first argument is `true` the object will be deep copied.
 * @param restArgs - objects to extend from.
 */
declare const extend: ExtendInterface;
export { extend };