/// <reference types="node" />
import { URL } from 'url';
import { AsyncOptionalCreatable, Duration } from '@salesforce/kit';
/**
 * A class used to resolve MyDomains. After a ScratchOrg is created it's host name my not be propagated to the
 * Salesforce DNS service. This service is not exclusive to Salesforce My Domain URL and could be used for any hostname.
 *
 * ```
 * (async () => {
 *  const options: MyDomainResolver.Options = {
 *      url: new URL('http://mydomain.salesforce.com'),
 *      timeout: Duration.minutes(5),
 *      frequency: Duration.seconds(10)
 *  };
 *  const resolver: MyDomainResolver = await MyDomainResolver.create(options);
 *  const ipAddress: AnyJson = await resolver.resolve();
 *  console.log(`Successfully resolved host: ${options.url} to address: ${ipAddress}`);
 * })();
 * ```
 */
export declare class MyDomainResolver extends AsyncOptionalCreatable<MyDomainResolver.Options> {
    static DEFAULT_DOMAIN: URL;
    private logger;
    private options;
    /**
     * Constructor
     * **Do not directly construct instances of this class -- use {@link MyDomainResolver.create} instead.**
     *
     * @param options The options for the class instance
     */
    constructor(options?: MyDomainResolver.Options);
    /**
     * Method that performs the dns lookup of the host. If the lookup fails the internal polling client will try again
     * given the optional interval. Returns the resolved ip address.
     *
     * If SFDX_DISABLE_DNS_CHECK environment variable is set to true, it will immediately return the host without
     * executing the dns loookup.
     */
    resolve(): Promise<string>;
    getCnames(): Promise<string[]>;
    /**
     * Used to initialize asynchronous components.
     */
    protected init(): Promise<void>;
}
export declare namespace MyDomainResolver {
    /**
     * Options for the MyDomain DNS resolver.
     */
    interface Options {
        /**
         * The host to resolve.
         */
        url: URL;
        /**
         * The retry interval.
         */
        timeout?: Duration;
        /**
         * The retry timeout.
         */
        frequency?: Duration;
    }
}