import { type Exec } from '../exec.js';
import type { SupervisorBackend } from './types.js';
/**
 * No service supervision: tmux contains the direct runner process, nothing survives a reboot and
 * nothing restarts on crash. Used for temp agents and CI tests
 * (OURS_FLEET_SUPERVISOR=none).
 */
export declare function makeNoneBackend(exec?: Exec): SupervisorBackend;