WriterInterface.php

<?php
/*
 * Copyright (C) 2016-2017 IRSTEA
 * All rights reserved.
 */

namespace Irstea\PlantUmlBundle\Writer;

interface WriterInterface
{
    /**
     * @param int $n
     *
     * @return self
     */
    public function indent($n = 1);

    /**
     * @param int $n
     *
     * @return self
     */
    public function dedent($n = 1);

    /**
     * @param string $data
     *
     * @return self
     */
    public function write($data);

    /**
     * @param string $fmt
     * @param        mixed ...
     *
     * @return self
     */
    public function writeFormatted($fmt);
}