/// <reference types="node" />
import * as net from 'net';
interface Options extends Omit<net.ListenOptions, 'port'> {
    readonly port?: number | Iterable<number>;
    readonly exclude?: Iterable<number>;
    readonly host?: string;
}
export declare function getPort(options: Options): Promise<number>;
export declare function portNumbers(from: number, to: number): Generator<number, void, unknown>;
export {};