import type { Transport } from '@modelcontextprotocol/sdk/shared/transport.js';
import type { JSONRPCMessage, MessageExtraInfo } from '@modelcontextprotocol/sdk/types.js';
import type { Response } from 'express';
export declare class DirectusTransport implements Transport {
    res: Response;
    onerror?: (error: Error) => void;
    onmessage?: (message: JSONRPCMessage, extra?: MessageExtraInfo) => void;
    onclose?: () => void;
    constructor(res: Response);
    start(): Promise<void>;
    send(message: JSONRPCMessage): Promise<void>;
    close(): Promise<void>;
}