import { Authenticator as A } from 'passport';
import { Middleware } from './Middleware';
import { Handler } from './Handler';
import { AuthService } from '@rondo.dev/common';
export declare class Authenticator implements Middleware {
    protected readonly authService: AuthService;
    protected readonly passport: A;
    readonly handle: Handler[];
    constructor(authService: AuthService);
    withLogInPromise: Handler;
    protected serializeUser: (user: any, done: (err?: Error | undefined, userId?: number | undefined) => void) => void;
    protected deserializeUser: (userId: number, done: (err?: Error | undefined, user?: any) => void) => void;
    protected configurePassport(): void;
    protected configureStrategies(): void;
    protected validateCredentials: (username: string, password: string, done: (err?: Error | undefined, user?: any) => void) => void;
    authenticate(strategy: string | string[]): Handler;
}
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