import { CanActivate, Router, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router'; import { PermissionService } from './permission.service'; export declare class PermissionGuard implements CanActivate { private _permissionService; private router; constructor(_permissionService: PermissionService, router: Router); canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean; }