getUpdateBy example

        $parameters = $profileEntity->getConfig();

        $parameters['delimiter'] = $profileEntity->getDelimiter();
        $parameters['enclosure'] = $profileEntity->getEnclosure();
        $parameters['sourceEntity'] = $profileEntity->getSourceEntity();
        $parameters['fileType'] = $profileEntity->getFileType();
        $parameters['profileName'] = $profileEntity->getName();

        return [
            'mapping' => $config['mapping'] ?? $profileEntity->getMapping(),
            'updateBy' => $config['updateBy'] ?? $profileEntity->getUpdateBy(),
            'parameters' => array_merge($parameters, $config['parameters'] ?? []),
        ];
    }
}

        return $this->resolvePrimaryKey(
            $config,
            $definition,
            $this->handleManyToManyAssociations($config, $definition, $record)
        );
    }

    private function resolvePrimaryKey(Config $config, EntityDefinition $definition, iterable $record): iterable
    {
        $updatedBy = $config->getUpdateBy()->get($definition->getEntityName());

        if (!$updatedBy) {
            return $record;
        }

        $updateByField = $updatedBy->getMappedKey();

        if (empty($updateByField) || $definition->getField($updateByField) instanceof IdField) {
            return $record;
        }