import type { UserAgentRequestOptions } from '../../types.js';
import type http from 'node:http';
import type { URL } from 'node:url';
import https from 'node:https';
import { HTTPTransport } from './http.js';
/**
 * HTTPS transport class.
 */
export declare class HTTPSTransport extends HTTPTransport {
    agent: https.Agent;
    _prepareOptions(config: UserAgentRequestOptions): https.RequestOptions;
    _sendRequest(url: URL, options: https.RequestOptions, cb: (res: http.IncomingMessage) => void): http.ClientRequest;
}