import type { CodeServerManager } from './code-server-manager.js';
export interface RelayMessageSender {
    send(message: unknown): void;
}
interface TunnelOpenMessage {
    tunnelId: string;
    target: string;
}
interface TunnelDataMessage {
    tunnelId: string;
    data: string;
}
interface TunnelCloseMessage {
    tunnelId: string;
    reason?: string;
}
export declare class TunnelHandler {
    private readonly relaySend;
    private readonly codeServerManager;
    private readonly allowedTarget;
    private readonly tunnels;
    constructor(relaySend: RelayMessageSender, codeServerManager: CodeServerManager, allowedTarget?: string);
    handleOpen(msg: TunnelOpenMessage): Promise<void>;
    handleData(msg: TunnelDataMessage): void;
    handleClose(msg: TunnelCloseMessage): void;
    cleanup(): void;
    private connectWithTimeout;
}
export {};
//# sourceMappingURL=tunnel-handler.d.ts.map