1-file.php

<?php
/**
 * Short description of module
 *
 * PHP version 5
 * 
 * @category  Kering
 * @package   Kering_Modulename
 * @author    Kering Magento Team <magento@kering.com>
 * @copyright 2015 Kering
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 * @link      http://www.kering.com/
 */
 
$some = code();

2-file.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/**
 * Short description of module
 * 
 * @category  Kering
 * @package   Kering_Modulename
 * @author    Kering Magento Team <magento@kering.com>
 * @copyright 2015 Kering
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 * @link      http://www.kering.com/
 */
-->
<layout>
    <updates />
</layout>

3-file.css

/**
 * Short description of module
 * 
 * @category  Kering
 * @package   Kering_Modulename
 * @author    Kering Magento Team <magento@kering.com>
 * @copyright 2015 Kering
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 * @link      http://www.kering.com/
 */

.some.styles {
}

4-file.js

/**
 * Short description of module
 * 
 * @category  Kering
 * @package   Kering_Modulename
 * @author    Kering Magento Team <magento@kering.com>
 * @copyright 2015 Kering
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 * @link      http://www.kering.com/
 */
 
var some = code();