import { SERVERS } from './constants';
import { SocksClient } from './socks';
import type { ProxyData, WhoIsOptions, WhoIsResponse } from './types';
import type { SocksClientOptions } from './socks';
export type { SocksClientOptions } from './socks';
/**
 * Find the WhoIs server for the TLD from IANA WhoIs service. The TLD is be searched and the HTML response is parsed to extract the WhoIs server
 *
 * @param tld TLD of the domain
 * @returns WhoIs server which hosts the information for the domains of the TLD
 */
export declare function findWhoIsServer(tld: string): Promise<string>;
/**
 * Get whois server of the tld from servers list
 *
 * @param tld TLD of the domain
 * @returns WhoIs server which hosts the information for the domains of the TLD
 */
export declare function getWhoIsServer(tld: keyof typeof SERVERS): string | undefined;
/**
 * Extract TLD from domain name.
 * If the TLD is in whois-servers.json file, then the TLD is returned.
 * If TLD is not found within the file, then determined by taking the last element after splitting the domain name from '.'
 *
 * @param domain Domain name
 * @returns TLD
 */
export declare function getTLD(domain: string): keyof typeof SERVERS;
// get whois query parameters if exist on parameters.json for whois server
export declare function getParameters(server: string): string | undefined;
/**
 * Connects to the provided {@link server}:{@link port} through TCP (through a proxy if a proxy is given), run the WhoIs query and returns the response
 *
 * @param domain Domain name
 * @param queryOptions Query options which can be used with the specific WhoIs server to get the complete response
 * @param server WhoIs server
 * @param port WhoIs server port
 * @param encoding Encoding used by the WhoIs server
 * @param proxy {@link ProxyData}
 * @returns The {string} WhoIs response for the query. Empty string is returned for errors
 */
export declare function tcpWhois(domain: string, queryOptions: string, server: string, port: number, encoding: string, proxy: ProxyData | null): Promise<string>;
/**
 * Collect WhoIs data for the mentioned {@link domain}. Parse the received response if {@link parse} is true, accordingly.
 *
 * @param domain Domain name
 * @param parse Whether the raw text needs to be parsed/formatted or not
 * @param options {@link WhoIsOptions}
 * @returns {@link WhoIsResponse} Returns a {@link WhoIsResponse} object which contains the raw text and parsed data (if parse is true)
 */
export declare function whois(domain: string, parse?: boolean, options?: WhoIsOptions | null): Promise<WhoIsResponse>;
export declare function lookup(domain: string, options?: WhoIsOptions | null): Promise<WhoIsResponse>;
/**
 * Collects (and parse/format if set to be true) for the provided {@link domains}. If {@link parallel} is set to be true, multiple threads will be used to batch process the domains according to {@link threads} mentioned.
 * If <i>options.parsedData</i> is mentioned, then it will be used to parse <b>all</b> the responses.
 * If a proxy is mentioned in {@link options}, then the proxy will be used to collect <b>all</b> the WhoIs data.
 *
 * @param domains Domains Names
 * @param parallel Whether data should be collected parallally or not
 * @param threads Batch size (for parallel processing)
 * @param parse Whether the raw text needs to be parsed/formatted or not
 * @param options {@link WhoIsOptions}
 * @returns Array of {@link WhoIsResponse} for all the domains. Order is not guaranteed
 */
export declare function batchWhois(domains: string[], parallel?: boolean, threads?: number, parse?: boolean, options?: WhoIsOptions | null): Promise<WhoIsResponse[]>;
/**
 * Parse collected raw WhoIs data
 *
 * @class
 */
export declare class WhoIsParser {
  static parseData(rawData: string, outputData: any | null): any;
}
export * from './constants';
export * from './types';
export { SocksClient } from './socks';