/// <reference types="node" />
import { OutgoingHttpHeaders } from 'http';
import AccountInfo from './model/AccountInfo';
import APIOptions from './model/APIOptions';
import APIResponse from './model/APIResponse';
/**
 * A backward compatible ScraperAPI client that provides a few shorthand methods to scrape websites easily.
 */
export default class ScraperAPIClient {
    private readonly apiKey;
    constructor(apiKey: string);
    /**
     * Function to retrieve account information.
     *
     * @returns {{
     *  "burst": number; // The number of burst (frequent) requests currently in flight
     *  "concurrencyLimit": number; // The maximum number of concurrent requests allowed
     *  "concurrentRequests": number; // The number of concurrent requests currently in flight
     *  "failedRequestCount": number; // The number of failed requests in the current billing cycle
     *  "requestCount": number; // The total number of requests in the current billing cycle
     *  "requestLimit": number; // The maximum number of requests allowed in the current billing cycle
     *  "subscriptionDate": Date; // The start date of the current billing cycle
     * }}
     */
    account(): Promise<AccountInfo>;
    /**
     * Shorthand function to send a GET request to the API and fetch the provided URL.
     *
     * @param url The target URL to fetch though the API, e.g. https://example.com
     * @param options The API options to use for this request (e.g. render, country_code, etc.)
     * @param headers The headers to be passed to the API (optional)
     * @returns APIResponse
     */
    get(url: string, options?: APIOptions, headers?: OutgoingHttpHeaders): Promise<APIResponse>;
    /**
     * Shorthand function to send a POST request to the API and fetch the provided URL.
     *
     * @param url The target URL to fetch though the API, e.g. https://example.com
     * @param options The API options to use for this request (e.g. render, country_code, etc.)
     * @param headers The headers to be passed to the API (optional)
     * @param body The body to be passed to the API (optional)
     * @returns APIResponse
     */
    post(url: string, options?: APIOptions, headers?: OutgoingHttpHeaders, body?: string): Promise<APIResponse>;
    /**
     * Shorthand function to send a PUT request to the API and fetch the provided URL.
     *
     * @param url The target URL to fetch though the API, e.g. https://example.com
     * @param options The API options to use for this request (e.g. render, country_code, etc.)
     * @param headers The headers to be passed to the API (optional)
     * @param body The body to be passed to the API (optional)
     * @returns APIResponse
     */
    put(url: string, options?: APIOptions, headers?: OutgoingHttpHeaders, body?: string): Promise<APIResponse>;
}