import Authenticable from './Authenticable';
import Guard from './Guard';
import UserProvider from './UserProvider';
export declare class TokenGuard implements Guard {
    /**
     * The request instance.
     */
    private _req;
    /**
     * The user provider implementation.
     */
    private _provider;
    /**
     * The currently authenticated user.
     */
    private _user;
    /**
     * Create a new authtentication guard.
     */
    constructor(provider: UserProvider, req: any);
    /**
     * Determine if the current user is authenticated. If not, throw an error.
     */
    authenticate(): Promise<Authenticable>;
    check(): Promise<boolean>;
    guest(): Promise<boolean>;
    setUser(user: Authenticable): Promise<void>;
    setRequest(req: any): Promise<void>;
    user(): Promise<Authenticable | null>;
    private getTokenFromRequest;
}
export default TokenGuard;