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1
1<?php
2
3/*
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; under version 2
7 * of the License (non-upgradable).
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17 *
18 * Copyright (c) 2021 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
19 */
20
21declare(strict_types=1);
22
23namespace oat\taoQtiItem\model\qti\CustomInteractionAsset\Extractor;
24
25use oat\taoQtiItem\model\qti\interaction\CustomInteraction;
26
27/**
28 * @author Kiryl Poyu <kyril.poyu@taotesting.com>
29 */
30class NullAssetExtractor implements Api\AssetExtractorInterface
31{
32    /**
33     * @inheritDoc
34     */
35    final public function extract(CustomInteraction $interaction): iterable
36    {
37        return [];
38    }
39}