import { type RequestInit, type Response } from 'undici';
import type { GeckodriverParameters } from './types.js';
export declare function hasAccess(filePath: string): Promise<boolean>;
export declare function getDownloadUrl(version: string): string;
export declare function parseParams(params: GeckodriverParameters): string[];
export declare function retryFetch(url: string, opts?: RequestInit, retry?: number): Promise<Response>;
/**
 * fetch rejects a URL with `user:pass@`: move the credentials of `GECKODRIVER_CDNURL` into an
 * Authorization header. The returned `url` has none, so it is the one to log.
 */
export declare function extractBasicAuthFromUrl(urlString: string): {
    url: string;
    authHeader?: string;
};