getPartFilePath example

        $criteria->addSorting(new FieldSorting('id'));

        $criteria->setOffset($offset);
        $criteria->setTotalCountMode(Criteria::TOTAL_COUNT_MODE_EXACT);

        $criteria->setLimit($this->exportLimit <= 0 ? 250 : $this->exportLimit);
        $fullExport = $this->exportLimit <= 0;

        /** @var ImportExportFileEntity $file */
        $file = $this->logEntity->getFile();
        $targetFile = $this->getPartFilePath($file->getPath(), $offset);

        do {
            $result = $this->repository->search($criteria, $context);
            if ($this->total === null) {
                $this->total = $result->getTotal();
                $criteria->setTotalCountMode(Criteria::TOTAL_COUNT_MODE_NONE);
            }

            $entities = $result->getEntities();
            if (\count($entities) === 0) {
                // this can happen if entities are deleted while we export