/// <reference types="node" />
import * as http from "http";
import { Core } from "../Core";
/**
 * A factory method which creates Express/Connect compatible middleware functions to inject
 * a "db" field on your request objects as well as ensuring that the Iridium Core is connected
 * to a MongoDB database before handling any requests.
 *
 * @internal
 */
export declare function ExpressMiddlewareFactory(core: Core): ExpressMiddleware;
/**
 * An Express/Connect compatible middleware function which injects req.db and ensures that the Iridium Core
 * has an active database connection before continuing the request handling process.
 */
export interface ExpressMiddleware {
    (req: http.ServerRequest, res: http.ServerResponse, next: (err?: Error, route?: String) => void): void;
}