/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */
import { Document } from '@langchain/core/documents';
export type DocumentLoaderWorkerOptions = {
    filePath: string;
    mimeType?: string;
    /** Timeout in milliseconds for the worker to complete. Defaults to 5 minutes. */
    timeout?: number;
};
export declare const loadByWorker: (extname: string, options: DocumentLoaderWorkerOptions) => Promise<Document[]>;