/// <reference types="node" />
import { AxiosError } from 'axios';
import { EventEmitter } from 'events';
import { ResponseObject, ScraperOptions, ScrapedData, CategoryInfo, FinishedInfo, RetryInfo, StatsData } from './interfaces';
/**
 Emitted when successful HTTP response from the Flipkart Affiliate server.
 * @memberof FlipkartScraper
 * @event
 */
export declare function response(httpResponse: ResponseObject): void;
/**
 * Emitted when products returned from Flipkart affiliate API.
 * @memberof FlipkartScraper
 * @event
 */
export declare function data(scrapedData: ScrapedData): void;
/**
 * Emitted if any errors occured.
 * @memberof FlipkartScraper
 * @event
 */
export declare function error(errorObj: AxiosError): void;
/**
 * Emitted when all products scraped by category.
 * @memberof FlipkartScraper
 * @event
 */
export declare function categoryCompleted(completedCategoryInfo: CategoryInfo): void;
/**
 * Emitted when scraper finished
 * @memberof FlipkartScraper
 * @event
 */
export declare function finished(finishedInfo: FinishedInfo): void;
/**
 * Emitted when retry occurred
 * @memberof FlipkartScraper
 * @event
 */
export declare function retry(retryInfo: RetryInfo): void;
/**
 * Emitted when retry failed 10 times
 * @memberof FlipkartScraper
 * @event
 */
export declare function retryHalted(retryHaltInfo: RetryInfo): void;
/**
 * This the main class for Flipkart scraper
 */
export declare class FlipkartScraper extends EventEmitter {
    private _affiliateId;
    private _affiliateToken;
    private _baseUrl;
    private _queue;
    private _maxRequest;
    private _requestedCount;
    private _processedCount;
    private _concurrency;
    private _maxPage;
    private _startTime;
    private _endTime;
    private _totalProductsCount;
    private _retryCount;
    private _errorCount;
    private _retryHaltCount;
    private _pendingCategory;
    private _completedCategory;
    private _status;
    private _downloadSize;
    /**
     * This is constructor of FlipkartScraper
     * @param affiliateId
     * @param affiliateToken
     * @param options
     */
    constructor(affiliateId: string, affiliateToken: string, options?: ScraperOptions);
    stats(showAsNumbers?: boolean): StatsData;
    /**
     *
     * @param categoriesToScrape
     */
    start(categoriesToScrape?: string[]): Promise<string>;
    /**
     *
     * @param params
     */
    private _enqueue;
    private _worker;
    /**
     *
     * @param errorObj
     * @param completedResponse
     */
    private _onComplete;
    /**
     *
     * @param url
     */
    private _getData;
}