code: public function runCommand(string $command, array $options, InputInterface $current, OutputInterface $output): int
      {
          # The first input argument must be the command name
          array_unshift($options, $command);
          $input = new ArrayInput($options);
  
          if (!$current->isInteractive()) {
              $input->setInteractive(false);
          }
  
          $command = $this->get($command);
          return $this->doRunCommand($command, $input, $output);
      }
docs: Run another command, usually from within the currently running command.
  
  @param string $command The fully namespaced name of the command to run
  @param array $options An array of options to pass to the command
  @param InputInterface $current The input used in the parent command
  @param OutputInterface $output The output used in the parent command
  
  @return int 0 if everything went fine, or an error code