import { HttpHeadersInterface, HttpResponseInterface, RequestMethod } from '../contract';
/**
 * HTTP Error is value object containing data about occurred error
 * when executing HTTP request.
 */
export declare class HttpError extends Error implements HttpResponseInterface<unknown> {
    /**
     * Get requested url.
     */
    readonly url: string;
    /**
     * Get status code.
     */
    readonly status: number;
    /**
     * Get request method.
     */
    readonly method: RequestMethod;
    /**
     * Get headers.
     */
    readonly headers: HttpHeadersInterface;
    /**
     * {@inheritdoc}
     */
    get content(): Promise<unknown>;
    private readonly _content;
    constructor(url: string, status: number, method: RequestMethod, headers: HttpHeadersInterface, message: string, content: (() => Promise<unknown>) | Promise<unknown>);
    /**
     * {@inheritdoc}
     */
    clone(replace?: Partial<HttpError>): HttpError;
}