src/app/n2n/impl/persistence/orm/property/relation/JoinColumnToOneRelation.php
public function createValueHash($value, EntityManager $em): ValueHash {
		return ToOneValueHasher::createFromEntityModel($this->targetEntityModel)
				->createValueHash($value);
	}
public function createValueHash($value, EntityManager $em): ValueHash {
		return ToOneValueHasher::createFromEntityModel($this->targetEntityModel)
				->createValueHash($value);
	}
}