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<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <[email protected]>
 *     Dariusz Rumiński <[email protected]>
 *
 * 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 <[email protected]>
 */
final class NullDiffer implements DifferInterface
{
    public function diff(string $old, string $new, ?\SplFileInfo $file = null): string
    {
        return '';
    }
}