import { Router, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
import { AuthService } from '../services/auth.service';
import { DtaService } from '../services/dta.service';
export declare class AuthenticationGuard implements CanActivate {
    private router;
    private authService;
    private dtaService;
    constructor(router: Router, authService: AuthService, dtaService: DtaService);
    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<boolean>;
}