import { CanActivate, CanLoad, CanActivateChild, ActivatedRouteSnapshot, Route } from '@angular/router';
import { Observable } from 'rxjs';
import { PermissionService } from './permission.service';
export declare class PermissionGuard implements CanActivate, CanActivateChild, CanLoad {
    private readonly permissionService;
    constructor(permissionService: PermissionService);
    canActivate(route: ActivatedRouteSnapshot): Observable<boolean>;
    canLoad(route: Route): Observable<boolean>;
    canActivateChild(route: ActivatedRouteSnapshot): Observable<boolean>;
    private checkAuth;
}