code: public function convert(Node\Arg $node)
      {
          if ($node->byRef) {
              $this->logger->logIncompatibility(
                  'reference',
                  'Reference not supported',
                  $node,
                  $this->dispatcher->getMetadata()->getClass()
              );
          }
  
          return ($node->unpack ? '...' : '').$this->dispatcher->p($node->value);
      }
docs: @param Node\Arg $node
  
  @return string