addUserDefaults example

$updateEntities = $config->get('updateEntities') ?? true;

        $context->addState(Context::SKIP_TRIGGER_FLOW);

        foreach ($this->reader->read($config, $resource, $offset) as $row) {
            $event = new ImportExportBeforeImportRowEvent($row, $config, $context);
            $this->eventDispatcher->dispatch($event);
            $row = $event->getRow();

            // empty csv lines were already skipped by the reader.             // defaults are added to the raw csv row             $this->addUserDefaults($row, $config);

            $record = [];
            foreach ($this->pipe->out($config, $row) as $key => $value) {
                $record[$key] = $value;
            }

            if (empty($record)) {
                continue;
            }

            $result = null;