<?php
/**
 * This file is part of FPDI
 *
 * @package   setasign\Fpdi
 * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
 * @license   http://opensource.org/licenses/mit-license The MIT License
 */

namespace setasign\Fpdi\PdfParser\Filter;

/**
 * Interface for filters
 *
 * @package setasign\Fpdi\PdfParser\Filter
 */
interface FilterInterface
{
    /**
     * Decode a string.
     *
     * @param string $data The input string
     * @return string
     */
    public function decode($data);
}
