/// <reference types="node" resolution-mode="require"/>
import type { BackoffStrategy } from 'backoff';
import { AxiosRequestConfig, AxiosResponse } from 'axios';
import S3 from './S3.js';
import { Dump } from './Dump.js';
interface DownloaderOpts {
    uaString: string;
    speed: number;
    reqTimeout: number;
    optimisationCacheUrl: string;
    s3?: S3;
    webp: boolean;
    backoffOptions?: BackoffOptions;
    mwWikiPath?: string;
    insecure?: boolean;
}
interface BackoffOptions {
    strategy: BackoffStrategy;
    failAfter: number;
    retryIf: (error?: any) => boolean;
    backoffHandler: (number: number, delay: number, error?: any) => void;
}
/**
 * Downloader is a class providing content retrieval functionalities for both Mediawiki and S3 remote instances.
 */
declare class Downloader {
    loginCookie: string;
    readonly speed: number;
    cssDependenceUrls: KVS<boolean>;
    readonly webp: boolean;
    readonly requestTimeout: number;
    readonly basicRequestOptions: AxiosRequestConfig;
    readonly arrayBufferRequestOptions: AxiosRequestConfig;
    readonly jsonRequestOptions: AxiosRequestConfig;
    readonly streamRequestOptions: AxiosRequestConfig;
    wikimediaMobileJsDependenciesList: string[];
    wikimediaMobileStyleDependenciesList: string[];
    private readonly uaString;
    private activeRequests;
    private maxActiveRequests;
    private readonly backoffOptions;
    private readonly optimisationCacheUrl;
    private s3;
    private apiUrlDirector;
    private articleUrlDirector;
    private mainPageUrlDirector;
    private readonly insecure;
    constructor({ uaString, speed, reqTimeout, optimisationCacheUrl, s3, webp, backoffOptions, insecure }: DownloaderOpts);
    private getUrlDirector;
    setUrlsDirectors(mainPageRenderer: any, articlesRenderer: any): void;
    getArticleUrl(articleId: string): string;
    getMainPageUrl(articleId: string): string;
    removeEtagWeakPrefix(etag: string): string;
    query(): KVS<any>;
    getArticleDetailsIds(articleIds: string[], shouldGetThumbnail?: boolean): Promise<QueryMwRet>;
    getArticleDetailsNS(ns: number, gapcontinue?: string): Promise<{
        gapContinue: string;
        articleDetails: QueryMwRet;
    }>;
    getArticle(webp: boolean, _moduleDependencies: any, articleId: string, articleDetailXId: RKVS<ArticleDetail>, articleRenderer: any, articleUrl: any, dump: Dump, articleDetail?: ArticleDetail, isMainPage?: boolean): Promise<any>;
    getJSON<T>(_url: string): Promise<T>;
    request<T = any, R extends AxiosResponse<T> = AxiosResponse<T>, D = any>(config: AxiosRequestConfig<D>): Promise<R>;
    downloadContent(_url: string, kind: DonwloadKind, retry?: boolean): Promise<{
        content: Buffer | string;
        contentType: string;
        setCookie: string | null;
    }>;
    canGetUrl(url: string): Promise<boolean>;
    private static handleMWWarningsAndErrors;
    private getArticleQueryOpts;
    private setArticleSubCategories;
    private claimRequest;
    private releaseRequest;
    private getJSONCb;
    private getImageMimeType;
    private getCompressedBody;
    private getContentCb;
    private downloadImage;
    private errHandler;
    private getSubCategories;
    private backoffCall;
    getModuleDependencies(title: string): Promise<{
        jsConfigVars: string;
        jsDependenciesList: string[];
        styleDependenciesList: string[];
    }>;
    private streamToBuffer;
}
export default Downloader;