generateAsynchronous example

$this->io = new ShopwareStyle($input, $output);
        $context = Context::createDefaultContext();

        $this->initializeCommand($input, $context);

        /** @var RepositoryIterator<MediaCollection> $mediaIterator */
        $mediaIterator = new RepositoryIterator($this->mediaRepository, $context, $this->createCriteria());

        if (!$this->isAsync) {
            $this->generateSynchronous($mediaIterator, $context);
        } else {
            $this->generateAsynchronous($mediaIterator, $context);
        }

        return self::SUCCESS;
    }

    private function initializeCommand(InputInterface $input, Context $context): void
    {
        $this->folderFilter = $this->getFolderFilterFromInput($input, $context);
        $this->batchSize = $this->getBatchSizeFromInput($input);
        $this->isAsync = $input->getOption('async');
        $this->isStrict = $input->getOption('strict');
    }