getReader example

$logEntity = $this->findLog($logId);
        $repository = $this->getRepository($logEntity);

        return new ImportExport(
            $this->importExportService,
            $logEntity,
            $this->filesystem,
            $this->eventDispatcher,
            $this->connection,
            $repository,
            $this->getPipe($logEntity),
            $this->getReader($logEntity),
            $this->getWriter($logEntity),
            $this->fileService,
            $importBatchSize,
            $exportBatchSize
        );
    }

    private function findLog(string $logId): ImportExportLogEntity
    {
        $criteria = new Criteria([$logId]);
        $criteria->addAssociation('profile');