/// <reference types="node" />
/**
 * This code was originally forked from https://github.com/TooTallNate/proxy-agents/tree/b133295fd16f6475578b6b15bd9b4e33ecb0d0b7
 * With the following licence:
 *
 * (The MIT License)
 *
 * Copyright (c) 2013 Nathan Rajlich <nathan@tootallnate.net>*
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:*
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.*
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
import * as http from 'http';
import * as https from 'https';
import { Readable } from 'stream';
import { URL } from 'url';
export type ThenableRequest = http.ClientRequest & {
    then: Promise<http.IncomingMessage>['then'];
};
export declare function toBuffer(stream: Readable): Promise<Buffer>;
export declare function json(stream: Readable): Promise<any>;
export declare function req(url: string | URL, opts?: https.RequestOptions): ThenableRequest;
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