OpenConext / Stepup-Middleware

        $availableEvents     = $eventCollection->getEventNames();

        $availableProjectors = $projectorCollection->getProjectorNames();

        if ($input->getOption(self::OPTION_LIST_EVENTS)) {

            $output->writeln('<info>The following events can be replayed:</info>');

            $output->writeln(!empty($availableEvents) ? $availableEvents : 'None.');

            return;

        }

        if ($input->getOption(self::OPTION_LIST_PROJECTORS)) {

            $output->writeln('<info>Events can be replayed for the following projectors:</info>');

            return;

        }

        if ($input->getOption(self::OPTION_LIST_PROJECTORS)) {

            $output->writeln('<info>Events can be replayed for the following projectors:</info>');

            $output->writeln(!empty($availableProjectors) ? $availableProjectors : 'None.');

            return;

        }

        if (count($availableProjectors) === 0) {

            $output->writeln('<error>There are no projectors configured to reply events for</error>');