/// <reference types="node" />
/// <reference types="node" />
import { URL } from 'url';
export declare function getJson<T>(url: URL): Promise<T>;
export declare function getFile(url: URL, localFilePath: string): Promise<void>;
export declare function getText(url: URL, options?: {
    expectedContentType?: RegExp;
}): Promise<string>;
/**
 * Post JSON body and expects JSON response.
 * @param url url to call
 * @param content content to post
 * @param headers headers to add
 * @returns returned body
 * @throws HttpStatusError if the status code >= 300
 */
export declare function postJson<O>(url: URL, content: unknown, headers?: NodeJS.Dict<string>): Promise<O>;
export declare class HttpStatusError extends Error {
    readonly statusCode: number;
    readonly statusMessage: string | undefined;
    readonly url: URL;
    constructor(statusCode: number, statusMessage: string | undefined, url: URL);
}