/**
 * @description This file contains the class Unicast.
 * @file unicast.ts
 * @author Luca Liguori
 * @created 2025-03-22
 * @version 1.0.0
 * @license Apache-2.0
 *
 * Copyright 2025, 2026, 2027 Luca Liguori.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { AddressInfo } from 'node:net';
import { Dgram } from './dgram.js';
/**
 * This class implements a unicast dgram socket.
 */
export declare class Unicast extends Dgram {
    port: number | undefined;
    /**
     * Creates an instance of Unicast.
     *
     * @param {string} name - The name of the socket.
     * @param {'udp4' | 'udp6'} socketType - The type of the socket (IPv4 or IPv6).
     * @param {boolean | undefined} reuseAddr - Whether to allow address reuse.
     * @param {string} [interfaceName] - The name of the network interface to bind to.
     * @param {string} [interfaceAddress] - The address of the network interface to bind to.
     * @param {number} [port] - The port number to bind to. If not provided, it will bind to any available port.
     */
    constructor(name: string, socketType: 'udp4' | 'udp6', reuseAddr?: boolean | undefined, interfaceName?: string, interfaceAddress?: string, port?: number);
    /**
     * Starts the dgram unicast socket.
     */
    start(): void;
    /**
     * Event handler for the 'listening' event. This event is emitted when the socket starts listening for datagram messages.
     *
     * @param {AddressInfo} [address] - The address info.
     */
    onListening(address: AddressInfo): void;
    /**
     * Stops the dgram unicast socket.
     */
    stop(): void;
}
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