import { SandboxHandle } from '@tanstack/ai-sandbox';
import { AcpTransportPreference } from './types.js';
/**
 * Pick stdio vs WebSocket for ACP based on sandbox capabilities and caller
 * preference.
 */
export declare function resolveAcpTransportMode(sandbox: SandboxHandle, preference?: AcpTransportPreference): 'stdio' | 'websocket';