import { AxiosInstance, AxiosPromise, AxiosRequestConfig } from 'axios';
import { Base } from '../base';
import { IBrightDataConfig } from './types';
import { EBrightDataCountry, IBrightDataChangeIp } from './types';
/**
 * @description BrightData proxy provider.
 * @extends {Base}
 */
export declare class BrightData extends Base {
    axios: AxiosInstance;
    sessionId: number;
    country: EBrightDataCountry;
    private readonly config;
    private readonly strategy;
    /**
     * @constructor
     * @param {IBrightDataConfig} config
     */
    constructor(config: IBrightDataConfig);
    /**
     * @description Create and set proxy agents.
     * @param {IBrightDataChangeIp} [params] - Params to handle multiple strategies.
     * @returns {BrightData}
     */
    setIp(params?: IBrightDataChangeIp): BrightData;
    /**
     * @description Sends request.
     * @param {AxiosRequestConfig} axiosRequestConfig
     * @returns {AxiosPromise}
     */
    fetch(axiosRequestConfig: AxiosRequestConfig): AxiosPromise;
    /**
     * @description Returns a random country.
     * @params {EBrightDataCountry} [countries] - List of countries
     * @returns {EBrightDataCountry}
     */
    private getRandomCountry;
    /**
     * @description Checks if country array isn't empty.
     * @param {EBrightDataCountry[]} countries
     * @throws {Error} Will throw an error if countries is empty
     * @returns {void}
     */
    private static checkIfCountriesArrayIsntEmpty;
    /**
     * @description Create https and http proxies.
     * @param {IBrightDataCreateProxy} params
     * @returns {ICreateProxyConfig}
     */
    private createProxyAgents;
}