import { Middleware } from '@curveball/kernel';
import '@curveball/session';
import { OAuth2Client } from '@badgateway/oauth2-client';
type OAuth2Options = {
    client: OAuth2Client;
    scope?: string[];
};
/**
 * This middleware allows OAuth2 bearer tokens to be specified as cookies.
 *
 * If authentication fails, and we detect a browser, this middleware will
 * automatically attempt to do OAuth2 authentication.
 */
export default function (options: OAuth2Options): Middleware;
export {};