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<?php
namespace League\JsonGuard\Constraint\DraftFour;
use League\JsonGuard\Assert;
use League\JsonGuard\ConstraintInterface;
use League\JsonGuard\Validator;
use function League\JsonGuard\error;
final class NullValidator implements ConstraintInterface
{
/**
* {@inheritdoc}
*/
public function validate($value, $parameter, Validator $validator)
return null;
}