/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import type { CommanderStatic } from 'commander';
export declare function externalCommand({ cli, siteDir: siteDirInput, config, }: {
    cli: CommanderStatic;
    siteDir: string;
    config: string | undefined;
}): Promise<void>;