import { Transport } from '@modelcontextprotocol/sdk/shared/transport.js';
import { JSONRPCMessage } from '@modelcontextprotocol/sdk/types.js';
/**
 * A TCP transport for the MCP server.
 * This implementation uses a simple line-based JSON protocol over TCP.
 * Note: The official SDK doesn't have a built-in TCP transport yet, so we implement a basic one
 * that mimics the behavior needed for MCP.
 *
 * However, for better compatibility with existing tools, we might want to use SSE or Stdio.
 * If we strictly need TCP, we need to define the framing.
 *
 * For this implementation, we will use a simple newline-delimited JSON format,
 * similar to how StdioTransport works but over a socket.
 */
export declare class TCPServerTransport implements Transport {
    private port;
    private server;
    private socket;
    private _onclose?;
    private _onerror?;
    private _onmessage?;
    constructor(port?: number);
    start(): Promise<void>;
    close(): Promise<void>;
    send(message: JSONRPCMessage): Promise<void>;
    set onclose(handler: () => void);
    set onerror(handler: (error: Error) => void);
    set onmessage(handler: (message: JSONRPCMessage) => void);
}
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