import type { BackoffStrategy } from 'backoff';
import { AxiosRequestConfig, AxiosResponse } from 'axios';
import S3 from './S3.js';
import { SiteInfoResponse } from './MediaWiki.js';
import { Dump } from './Dump.js';
import ApiURLDirector from './util/builders/url/api.director.js';
import { Renderer } from './renderers/abstract.renderer.js';
interface DownloaderOpts {
    uaString: string;
    speed: number;
    reqTimeout: number;
    optimisationCacheUrl: string;
    s3?: S3;
    webp: boolean;
    backoffOptions?: BackoffOptions;
    insecure?: boolean;
}
interface BackoffOptions {
    strategy: BackoffStrategy;
    failAfter: number;
    retryIf: (error?: any) => boolean;
    backoffHandler: (number: number, delay: number, error?: any) => void;
}
export declare class DownloadError extends Error {
    urlCalled: string | null;
    httpReturnCode: number | null;
    responseContentType: string | null;
    responseData: any;
    constructor(message: string, urlCalled: string | null, httpReturnCode: number | null, responseContentType: string | null, responseData: any);
}
export interface DownloadErrorContext {
    urlCalled: string;
    errorCode: string | null;
    httpReturnCode: number | null;
    responseContentType: string | null;
    responseData: any;
}
/**
 * Downloader is a class providing content retrieval functionalities for both Mediawiki and S3 remote instances.
 */
declare class Downloader {
    private static instance;
    static getInstance(): Downloader;
    private _speed;
    cssDependenceUrls: KVS<boolean>;
    private _webp;
    private _requestTimeout;
    private _basicRequestOptions;
    private _arrayBufferRequestOptions;
    private _jsonRequestOptions;
    private _streamRequestOptions;
    wikimediaMobileJsDependenciesList: string[];
    wikimediaMobileStyleDependenciesList: string[];
    private uaString;
    private backoffOptions;
    private optimisationCacheUrl;
    private s3;
    private _apiUrlDirector;
    private cookierJar;
    private articleUrlDirector;
    private mainPageUrlDirector;
    private insecure;
    get speed(): number;
    get webp(): boolean;
    get requestTimeout(): number;
    get basicRequestOptions(): AxiosRequestConfig<any>;
    get arrayBufferRequestOptions(): AxiosRequestConfig<any>;
    get jsonRequestOptions(): AxiosRequestConfig<any>;
    get streamRequestOptions(): AxiosRequestConfig<any>;
    get apiUrlDirector(): ApiURLDirector;
    set init({ uaString, speed, reqTimeout, optimisationCacheUrl, s3, webp, backoffOptions, insecure }: DownloaderOpts);
    private reset;
    private getUrlDirector;
    setUrlsDirectors(mainPageRenderer: Renderer, articlesRenderer: Renderer): void;
    getArticleUrl(articleId: string, articleUrlOpts?: RendererArticleOpts): string;
    getMainPageUrl(articleId: string): string;
    removeEtagWeakPrefix(etag: string): string;
    querySiteInfo(): Promise<SiteInfoResponse>;
    getArticleDetailsIds(articleIds: string[], shouldGetThumbnail?: boolean): Promise<QueryMwRet>;
    getArticleDetailsNS(ns: number, gapcontinue?: string): Promise<{
        gapContinue: string;
        articleDetails: QueryMwRet;
    }>;
    getLogEvents(letype: string, articleId: string): Promise<any>;
    getArticle(articleId: string, articleDetailXId: RKVS<ArticleDetail>, articleRenderer: Renderer, articleUrl: any, dump: Dump, articleDetail?: ArticleDetail): Promise<any>;
    getJSON<T>(_url: string): Promise<T>;
    request<T = any, R extends AxiosResponse<T> = AxiosResponse<T>, D = any>(config: AxiosRequestConfig<D>): Promise<R>;
    get<T = any, R extends AxiosResponse<T> = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
    post<T = any, R extends AxiosResponse<T> = AxiosResponse<T>, D = any>(url: string, data?: D, 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 getJSONCb;
    private getImageMimeType;
    private getCompressedBody;
    private getContentCb;
    private downloadImage;
    private errHandler;
    private getSubCategories;
    private backoffCall;
    getModuleDependencies(title: string): Promise<{
        jsConfigVars: string;
        jsDependenciesList: string[];
        styleDependenciesList: any[];
    }>;
    private streamToBuffer;
    static extractJsConfigVars(headhtml: string): string;
}
export { Downloader as DownloaderClass };
declare const _default: Downloader;
export default _default;