php-vfs/src/Node/FileInterface.php

<?php
/*
 * This file is part of VFS
 *
 * Copyright (c) 2015 Andrew Lawson <http://adlawson.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Vfs\Node;

interface FileInterface extends NodeInterface
{
    /**
     * @return string
     */
    public function getContent();

    /**
     * @param string $content
     */
    public function setContent($content);
}