import { ServerAuthenticator, VerifyResult, CheckDataResult } from '@machinat/auth';
import BasicAuthenticator from '@machinat/auth/basicAuth';
import BotP from '../Bot';
import type { MessengerAuthContext, MessengerAuthData } from './types';
/**
 * @category Provider
 */
export declare class MessengerServerAuthenticator implements ServerAuthenticator<never, MessengerAuthData, MessengerAuthContext> {
    bot: BotP;
    basicAuthenticator: BasicAuthenticator;
    delegateAuthRequest: ServerAuthenticator<never, MessengerAuthData, MessengerAuthContext>['delegateAuthRequest'];
    platform: "messenger";
    constructor(bot: BotP, basicAuthenticator: BasicAuthenticator);
    getAuthUrl(userId: string, redirectUrl?: string): string;
    verifyCredential(): Promise<VerifyResult<MessengerAuthData>>;
    verifyRefreshment(data: MessengerAuthData): Promise<VerifyResult<MessengerAuthData>>;
    checkAuthData(data: MessengerAuthData): CheckDataResult<MessengerAuthContext>;
}
declare const ServerAuthenticatorP: import("@machinat/core/service").ServiceProvider<MessengerServerAuthenticator, [import("../Bot").MessengerBot, import("@machinat/auth/basicAuth").BasicAuthenticator]> & typeof MessengerServerAuthenticator;
declare type ServerAuthenticatorP = MessengerServerAuthenticator;
export default ServerAuthenticatorP;