Example plugin bootstrap's File Header.

plugin\bootstrap.php

<?php
/**
 * Brief description of the Plugin
 *
 * @package         CompanyName\PluginName
 * @author          your name or company name
 * @license         GPL-2.0+
 * @link            https://example.com
 *
 * @wordpress-plugin
 * Plugin Name:     Name of the Plugin
 * Plugin URI:      the plugin's url
 * Description:     Description of the plugin
 * Version:         1.0.0
 * Author:          your name or company name
 * Author URI:      https://example.com
 * Text Domain:     text_domain
 * Requires WP:     4.9
 * Requires PHP:    5.6
 */

/*
	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

namespace CompanyName\PluginName;