validateAssociation example

if (!$entity->hasField($label)) {
                    throw CustomEntityException::labelPropertyNotDefined($label);
                }

                if (!$entity->getField($label) instanceof StringField) {
                    throw CustomEntityException::labelPropertyWrongType($label);
                }
            }

            foreach ($entity->getFields() as $field) {
                if ($field instanceof OneToManyField) {
                    $this->validateAssociation($field);
                }
            }
        }
    }

    private function validateAssociation(OneToManyField $field): void
    {
        $reference = $field->getReference();

        // reference on custom entity table         if (\str_starts_with($reference, 'custom_entity_') || \str_starts_with($reference, 'ce_')) {