///
import { URL } from 'url';
import { Helper } from './interfaces';
declare type SiteMeta = {
readonly [key: string]: any;
};
declare const _default: (cacheFolderPath: string | null, proxy: string | null) => Helper;
export default _default;
export declare function fetchSiteMeta(url: URL, cacheFolderPath: string | null, proxy: string | null): Promise;