@redux-multipurpose/angular-router/lib/router.d.ts

Redux Multipurpose angular-router is available as a package on NPM:

import { Router } from '@angular/router';
import { RouterService } from './service/router.service';
export declare const configureRouterReducer: (key: string, router: Router) => {
    key: string;
    reducer: import("redux").Reducer<string, import("redux").AnyAction>;
    service: RouterService;
};