import type { Transport, TransportSendOptions } from "@modelcontextprotocol/sdk/shared/transport.js";
import type { JSONRPCMessage } from "@modelcontextprotocol/sdk/types.js";
export declare function getWebSocketSecret(): string;
export declare class WebSocketServerTransport implements Transport {
    private wss;
    private activeSocket;
    private authenticated;
    onclose?: () => void;
    onerror?: (error: Error) => void;
    onmessage?: (message: JSONRPCMessage) => void;
    constructor(port: number);
    start(): Promise<void>;
    send(message: JSONRPCMessage, options?: TransportSendOptions): Promise<void>;
    close(): Promise<void>;
}