import { Document } from "@langchain/core/documents";
import { CheerioWebBaseLoader } from "./cheerio.js";
/**
 * Interface representing the parameters for configuring the
 * GitbookLoader. It has an optional property shouldLoadAllPaths, which
 * indicates whether all paths should be loaded.
 */
interface GitbookLoaderParams {
    shouldLoadAllPaths?: boolean;
}
/**
 * Class representing a document loader specifically designed for loading
 * documents from Gitbook. It extends the CheerioWebBaseLoader.
 */
export declare class GitbookLoader extends CheerioWebBaseLoader {
    webPath: string;
    shouldLoadAllPaths: boolean;
    private readonly baseUrl;
    constructor(webPath: string, params?: GitbookLoaderParams);
    /**
     * Method that scrapes the web document using Cheerio and loads the
     * content based on the value of shouldLoadAllPaths. If shouldLoadAllPaths
     * is true, it calls the loadAllPaths() method to load all paths.
     * Otherwise, it calls the loadPath() method to load a single path.
     * @returns Promise resolving to an array of Document instances.
     */
    load(): Promise<Document[]>;
    /**
     * Private method that loads the content of a single path from the Gitbook
     * web document. It extracts the page content by selecting all elements
     * inside the "main" element, filters out empty text nodes, and joins the
     * remaining text nodes with line breaks. It extracts the title by
     * selecting the first "h1" element inside the "main" element. It creates
     * a Document instance with the extracted page content and metadata
     * containing the source URL and title.
     * @param $ CheerioAPI instance representing the loaded web document.
     * @param url Optional string representing the URL of the web document.
     * @returns Array of Document instances.
     */
    private loadPath;
    /**
     * Private method that loads the content of all paths from the Gitbook web
     * document. It extracts the URLs of all paths from the "loc" elements in
     * the sitemap.xml. It iterates over each URL, scrapes the web document
     * using the _scrape() method, and calls the loadPath() method to load the
     * content of each path. It collects all the loaded documents and returns
     * them as an array.
     * @param $ CheerioAPI instance representing the loaded web document.
     * @returns Promise resolving to an array of Document instances.
     */
    private loadAllPaths;
}
export {};