import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree } from '@angular/router'; import { Observable } from 'rxjs'; import { AdalService } from './adal.service'; export declare class AdalGuard implements CanActivate { private service; constructor(service: AdalService); canActivate(next: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable | Promise | boolean | UrlTree; }