/**
 * Copyright 2025 The Artinet Project
 * SPDX-License-Identifier: Apache-2.0
 *
 * @archive Helper utilities for express servers.
 * @note We recommend using the @a2a-js/sdk/express middleware instead as these utilities will no longer be robustly maintained.
 */
import { type ErrorRequestHandler } from 'express';
import express from 'express';
export declare function rpcParser(req: express.Request, res: express.Response, next: express.NextFunction): void;
/**
 * Express error handler middleware.
 */
export declare const errorHandler: ErrorRequestHandler;