import { URL } from "@siteimprove/alfa-url";
import type * as earl from "@siteimprove/alfa-earl";
import type * as json from "@siteimprove/alfa-json";
import type { Result } from "@siteimprove/alfa-result";
import type { Body } from "./body.ts";
import { Headers } from "./headers.ts";
/**
 * {@link https://fetch.spec.whatwg.org/#request-class}
 *
 * @public
 */
export declare class Request implements Body, json.Serializable<Request.JSON>, earl.Serializable<Request.EARL> {
    static of(method: string, url: URL, headers?: Headers, body?: ArrayBuffer): Request;
    private static _empty;
    static empty(): Request;
    private readonly _method;
    private readonly _url;
    private readonly _headers;
    private readonly _body;
    protected constructor(method: string, url: URL, headers: Headers, body: ArrayBuffer);
    /**
     * {@link https://fetch.spec.whatwg.org/#dom-request-method}
     */
    get method(): string;
    /**
     * {@link https://fetch.spec.whatwg.org/#dom-request-url}
     */
    get url(): URL;
    /**
     * {@link https://fetch.spec.whatwg.org/#dom-request-headers}
     */
    get headers(): Headers;
    /**
     * {@link https://fetch.spec.whatwg.org/#dom-body-body}
     */
    get body(): ArrayBuffer;
    toJSON(options?: json.Serializable.Options): Request.JSON;
    toEARL(): Request.EARL;
    toString(): string;
}
/**
 * @public
 */
export declare namespace Request {
    interface JSON {
        [key: string]: json.JSON;
        method: string;
        url: string;
        headers: Headers.JSON;
        body: string;
    }
    interface EARL extends earl.EARL {
        "@context": {
            http: "http://www.w3.org/2011/http#";
        };
        "@type": ["http:Message", "http:Request"];
        "http:methodName": string;
        "http:requestURI": string;
        "http:headers": Headers.EARL;
        "http:body": Body.EARL;
    }
    function from(json: JSON): Result<Request, string>;
    function isRequest(value: unknown): value is Request;
}
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