code: protected function execute(InputInterface $input, OutputInterface $output)
      {
          $this->init($input);
          $function = $input->getArgument('function');
  
          switch ($function) {
              case 'migrate':
                  $this->migrate($output);
                  break;
          }
          $this->end($output);
  
          return true;
      }
docs: @param InputInterface $input
  @param OutputInterface $output
  
  @return bool|int|null