/// <reference types="node" />
import * as http from "http";
import * as stream from "stream";
import { startStream, endStream } from "./util";
declare function makeRequest(verb: string, url: string): {
    send: (requestData?: any) => Promise<{
        statusCode: number | undefined;
        data: any;
    }>;
    setSerializer: (f: Function) => any;
    setDeserializer: (f: Function) => any;
    setHeaders: (h: object) => any;
};
/**
 * RequestStream wraps http.ClientRequest and http.IncomingMessage into
 * a duplex stream.
 */
declare class RequestStream extends stream.Duplex {
    request: http.ClientRequest;
    responseReceiver: NodeJS.WritableStream | undefined;
    constructor(verb: string, url: string);
    _read(): void;
    _write(data: any, encoding: string, cb: any): void;
    end(): void;
    pipe(writeStream: NodeJS.WritableStream): NodeJS.ReadableStream | any;
    setHeaders(h: object): void;
}
/**
 * Create a RequestStream instance.
 * @param verb - HTTP verb.
 * @param url - Request URL.
 */
declare function createRequestStream(verb: string, url: string): RequestStream;
export { makeRequest, createRequestStream, startStream, endStream };
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