NullData.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Presentation;

use ILIAS\MetaData\Elements\Data\DataInterface as ElementsDataInterface;

class NullData implements DataInterface
{
    public function dataValue(ElementsDataInterface $data): string
    {
        return '';
    }

    public function vocabularyValue(string $value): string
    {
        return '';
    }

    public function language(string $language): string
    {
        return '';
    }

    public function datetime(string $datetime): string
    {
        return '';
    }

    public function duration(string $duration): string
    {
        return '';
    }
}