handleTranslationsAssociation example

$updateByValue = $this->getValueFromPath($record, $updateByFieldPath);

        if ($updateByValue === null) {
            $record['_error'] = new UpdatedByValueNotFoundException($definition->getEntityName(), $updateByField);

            return $record;
        }

        $criteria = new Criteria();
        $criteria->setLimit(1);

        $updateByField = $this->handleTranslationsAssociation(
            $definition,
            $updateByFieldPath,
            $criteria
        );

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

        if ($field = $definition->getField($updateByField)) {
            // deserialize for bool, date, int fields...