getMediaCount example

/** * {@inheritdoc} */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $this->io = new ShopwareStyle($input, $output);

        $context = Context::createDefaultContext();
        $this->batchSize = $this->validateBatchSize($input);

        $this->io->comment('Starting to generate MediaTypes. This may take some time...');
        $this->io->progressStart($this->getMediaCount($context));

        $this->detectMediaTypes($context);

        $this->io->progressFinish();

        return self::SUCCESS;
    }

    private function validateBatchSize(InputInterface $input): int
    {
        $batchSize = $input->getOption('batch-size');