/**
 * Returns a Promise for a port number.
 * @param defaultPort A preferred port or an iterable of preferred ports to use
 * @param host The host on which port resolution should be performed. Can be either an IPv4 or IPv6 address default `dev.hps.com`
 */
export declare const getAvailablePort: (defaultPort: number, host?: string) => Promise<number>;
/**
 * Reset locked ports
 * @example
 * ```ts
 * const port = await getAvailablePort(4001);
 * clearLockedPorts();
 * const port2 = await getAvailablePort(4001);
 * console.log(port2);
 * ```
 */
export declare const clearLockedPorts: () => void;