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<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\HttpFoundation\Session\Attribute;
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use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
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/**
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 * Attributes store.
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 *
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 * @author Drak <drak@zikula.org>
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 */
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interface AttributeBagInterface extends SessionBagInterface
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{
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    /**
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     * Checks if an attribute is defined.
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     */
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    public function has(string $name): bool;
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    /**
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     * Returns an attribute.
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     */
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    public function get(string $name, mixed $default = null): mixed;
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    /**
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     * Sets an attribute.
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     */
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    public function set(string $name, mixed $value);
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    /**
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     * Returns attributes.
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     *
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     * @return array<string, mixed>
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     */
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    public function all(): array;
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    public function replace(array $attributes);
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    /**
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     * Removes an attribute.
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     *
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     * @return mixed The removed value or null when it does not exist
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     */
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    public function remove(string $name): mixed;
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}