/**
 * Simplified HTTP/JSON-RPC Transport for MCP
 * Handles synchronous request/response over HTTP POST
 */
import { Transport } from '@modelcontextprotocol/sdk/shared/transport.js';
import type { JSONRPCMessage } from '@modelcontextprotocol/sdk/types.js';
import type { Request, Response } from 'express';
export declare class HTTPJSONRPCTransport implements Transport {
    private req;
    private res;
    private _responseHandlers;
    onclose?: () => void;
    onerror?: (error: Error) => void;
    onmessage?: (message: JSONRPCMessage) => void;
    constructor(req: Request, res: Response);
    start(): Promise<void>;
    close(): Promise<void>;
    send(message: JSONRPCMessage): Promise<void>;
    /**
     * Process incoming JSON-RPC request from HTTP body
     */
    processRequest(body: unknown): Promise<void>;
}
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