import { type Request, type RequestHandler, type Response } from "express";
import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
export declare function Middleware(newServer: (req: Request, res: Response, transport: StreamableHTTPServerTransport) => Promise<McpServer> | McpServer): RequestHandler;