import { Endpoint } from "dns-query";
import { DnsClient } from "./dns";
export declare class DnsOverHttps implements DnsClient {
    private endpoints;
    private retries;
    /**
     * Default endpoints to use for DNS queries.
     * Taken from https://github.com/martinheidegger/dns-query as static data
     * to avoid dynamic queries.
     *
     * To dynamically retrieve other endpoints, use https://github.com/martinheidegger/dns-query#well-known-endpoints
     */
    static DefaultEndpoints: Endpoint[];
    /**
     * Create new Dns-Over-Http DNS client.
     *
     * @param endpoints The endpoints for Dns-Over-Https queries;
     * Defaults to [[DnsOverHttps.DefaultEndpoints]].
     * @param retries Retries if a given endpoint fails.
     *
     * @throws {code: string} If DNS query fails.
     */
    constructor(endpoints?: Endpoint[], retries?: number);
    /**
     * Resolves a TXT record
     *
     * @param domain The domain name
     *
     * @throws if the query fails
     */
    resolveTXT(domain: string): Promise<string[]>;
}