1<?php
2/**
3 * Elasticsearch PHP client
4 *
5 * @link      https://github.com/elastic/elasticsearch-php/
6 * @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co)
7 * @license   http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
8 * @license   https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License, Version 2.1
9 *
10 * Licensed to Elasticsearch B.V under one or more agreements.
11 * Elasticsearch B.V licenses this file to you under the Apache 2.0 License or
12 * the GNU Lesser General Public License, Version 2.1, at your option.
13 * See the LICENSE file in the project root for more information.
14 */
15
16
17declare(strict_types = 1);
18
19namespace Elasticsearch\Serializers;
20
21interface SerializerInterface
22{
23    /**
24     * Serialize a complex data-structure into a json encoded string
25     *
26     * @param  mixed $data The data to encode
27     * @return string
28     */
29    public function serialize($data): string;
30
31    /**
32     * Deserialize json encoded string into an associative array
33     *
34     * @param  string $data    JSON encoded string
35     * @param  array  $headers Response Headers
36     * @return string|array
37     */
38    public function deserialize(?string $data, array $headers);
39}
40