<?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\Cache;

/**
 * @author Andreas Möller <am@localheinz.com>
 *
 * @internal
 */
interface CacheInterface
{
    public function getSignature(): SignatureInterface;

    public function has(string $file): bool;

    public function get(string $file): ?int;

    public function set(string $file, int $hash): void;

    public function clear(string $file): void;

    public function toJson(): string;
}
