registerTaggedServiceIds example

'exitCode' => $exitCode,
           'command' => $command,
           'input' => $input,
           'output' => $output,
       ]);

        return $exitCode;
    }

    protected function registerCommands(OutputInterface $output)
    {
        $this->registerTaggedServiceIds();

        if (!$this->skipDatabase) {
            // Wrap database related logic in a try-catch             // so that non-db commands can still execute             try {
                $em = $this->kernel->getContainer()->get(ModelManager::class);

                // Setup doctrine commands                 $helperSet = $this->getHelperSet();
                $helperSet->set(new EntityManagerHelper($em), 'em');
                $helperSet->set(new ConnectionHelper($em->getConnection()), 'db');