code: public function filter(OptionsInterface $options, $value)
      {
          if (is_callable($value)) {
              $value = call_user_func($value, $options);
          }
  
          if (is_array($value)) {
              $commands = $this->getDefault($options);
  
              foreach ($value as $commandID => $classFQN) {
                  $commands->defineCommand($commandID, $classFQN);
              }
  
              return $commands;
          }
  
          if (!$value instanceof FactoryInterface) {
              $class = get_called_class();
  
              throw new \InvalidArgumentException("$class expects a valid command factory");
          }
  
          return $value;
      }
docs: {@inheritdoc}