NullClause.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Search\Clauses;

use ILIAS\MetaData\Search\Clauses\Properties\JoinPropertiesInterface;
use ILIAS\MetaData\Search\Clauses\Properties\BasicPropertiesInterface;

class NullClause implements ClauseInterface
{
    public function isNegated(): bool
    {
        return false;
    }

    public function isJoin(): bool
    {
        return false;
    }

    public function joinProperties(): ?JoinPropertiesInterface
    {
        return null;
    }

    public function basicProperties(): ?BasicPropertiesInterface
    {
        return null;
    }
}