vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php line 16
<?phpnamespace Doctrine\Bundle\DoctrineBundle\Mapping;use Doctrine\ORM\Id\AbstractIdGenerator;use Doctrine\ORM\Mapping\ClassMetadata;use Doctrine\ORM\Mapping\ClassMetadataFactory as BaseClassMetadataFactory;use function assert;class ClassMetadataFactory extends BaseClassMetadataFactory{/*** {@inheritDoc}*/protected function doLoadMetadata($class, $parent, $rootEntityFound, array $nonSuperclassParents): void{parent::doLoadMetadata($class, $parent, $rootEntityFound, $nonSuperclassParents);$customGeneratorDefinition = $class->customGeneratorDefinition;if (! isset($customGeneratorDefinition['instance'])) {return;}assert($customGeneratorDefinition['instance'] instanceof AbstractIdGenerator);$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_CUSTOM);$class->setIdGenerator($customGeneratorDefinition['instance']);unset($customGeneratorDefinition['instance']);$class->setCustomGeneratorDefinition($customGeneratorDefinition);}}