import { MappingDocumentTransformer, Document } from "@langchain/core/documents";
import { LocalResult } from './map_types';
export declare class HtmlToTextTransformer extends MappingDocumentTransformer {
    static lc_name(): string;
    constructor(options?: {});
    _transformDocument(document: any): Promise<Document<any>>;
}
export declare const cheerioLoader: (url: any) => Promise<unknown>;
export declare const puppeteerLoader: (url: any, headless: any, location: LocalResult) => Promise<unknown>;
export declare const findEMail: (question: string, url: string, opts: any, location: LocalResult) => Promise<false | any[]>;