import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Router } from '@angular/router';
import { Observable } from 'rxjs';
import { AuthenticationService } from '../authentication/authentication.service';
/**
 * A service used to limit access to a route to administrators
 */
export declare class AdminAuthGuardService implements CanActivate {
    private authenticationService;
    private router;
    /**
     * Constructor
     * @param authenticationService - A reference to the authentication service
     * @param router - A reference to the router
     */
    constructor(authenticationService: AuthenticationService, router: Router);
    /**
     * Determine whether a route can be activated
     * @param route - The activated route snapshot
     * @param state - The router state snapshot
     * @returns An observable boolean or a promise of a boolean
     */
    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean;
}