/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Compiler, InjectionToken, Injector, NgModuleFactoryLoader } from '@angular/core';
import { Observable } from 'rxjs';
import { LoadedRouterConfig, Route } from './config';
/**
 * @docsNotRequired
 * @experimental
 */
export declare const ROUTES: InjectionToken<Route[][]>;
export declare class RouterConfigLoader {
    private loader;
    private compiler;
    private onLoadStartListener;
    private onLoadEndListener;
    constructor(loader: NgModuleFactoryLoader, compiler: Compiler, onLoadStartListener?: ((r: Route) => void) | undefined, onLoadEndListener?: ((r: Route) => void) | undefined);
    load(parentInjector: Injector, route: Route): Observable<LoadedRouterConfig>;
    private loadModuleFactory(loadChildren);
}
