import type { I18NConfig } from '../../config-shared';
import { NextURL } from '../next-url';
import { RequestCookies } from './cookies';
export declare const INTERNALS: unique symbol;
/**
 * This class extends the [Web `Request` API](https://developer.mozilla.org/docs/Web/API/Request) with additional convenience methods.
 *
 * Read more: [Next.js Docs: `NextRequest`](https://nextjs.org/docs/app/api-reference/functions/next-request)
 */
export declare class NextRequest extends Request {
    constructor(input: URL | RequestInfo, init?: RequestInit);
    get cookies(): RequestCookies;
    get nextUrl(): NextURL;
    /**
     * @deprecated
     * `page` has been deprecated in favour of `URLPattern`.
     * Read more: https://nextjs.org/docs/messages/middleware-request-page
     */
    get page(): void;
    /**
     * @deprecated
     * `ua` has been removed in favour of \`userAgent\` function.
     * Read more: https://nextjs.org/docs/messages/middleware-parse-user-agent
     */
    get ua(): void;
    get url(): string;
}
export interface RequestInit extends globalThis.RequestInit {
    nextConfig?: {
        basePath?: string;
        i18n?: I18NConfig | null;
        trailingSlash?: boolean;
    };
    signal?: AbortSignal;
    duplex?: 'half';
}