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<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Differ;

/**
 * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
 */
interface DifferInterface
{
    /**
     * Create diff.
     */
    public function diff(string $old, string $new, ?\SplFileInfo $file = null): string;
}