import type { Server } from 'node:http';
import { type BridgeSecurityOptions } from '../middleware/security.js';
/**
 * Attaches WebSocket upgrade handling for terminal sessions to the HTTP server.
 * Called after the HTTP server is created.
 */
export declare function attachTerminalWebSocket(server: Server, cwd: string, security: Required<Pick<BridgeSecurityOptions, 'token'>> & BridgeSecurityOptions): void;
/**
 * Cleanup all terminal sessions (called on server shutdown).
 */
export declare function cleanupAllSessions(): void;