<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2018 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Component\Checker;

use Jose\Component\Core\JWT;

interface TokenTypeSupport
{
    /**
     * This method will retrieve the protect and unprotected headers of the token for the given index.
     * The index is useful when the token is serialized using the Json General Serialization mode.
     * For example the JWE Json General Serialization Mode allows several recipients to be set.
     * The unprotected headers correspond to the share unprotected header and the selected recipient header.
     */
    public function retrieveTokenHeaders(JWT $jwt, int $index, array &$protectedHeader, array &$unprotectedHeader): void;

    /**
     * This method returns true if the token in argument is supported, otherwise false.
     */
    public function supports(JWT $jwt): bool;
}
