/// <reference types="node" />
export declare class ClientTunnel {
    readonly port: number;
    readonly key: Buffer;
    readonly endpoint: string;
    readonly wkHandler: (path: string) => Promise<Buffer | null>;
    onConnected?: () => void;
    onDisconnected?: () => void;
    private _session;
    private _ws;
    private _started;
    constructor(port: number, key: Buffer, endpoint: string, wkHandler: (path: string) => Promise<Buffer | null>);
    start: () => void;
    private _start;
    private _disconnected;
}