NullData.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Elements\Data;

use ILIAS\MetaData\Vocabularies\Slots\Identifier as SlotIdentifier;
use ILIAS\MetaData\Vocabularies\Slots\Identifier;

class NullData implements DataInterface
{
    public function type(): Type
    {
        return Type::NULL;
    }

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

    public function vocabularySlot(): SlotIdentifier
    {
        return SlotIdentifier::NULL;
    }
}