/**
  * @param \Symfony\Component\Console\Command\Command $command
  * @return \Symfony\Component\Console\Command\Command
  */
 public function add(SymfonyCommand $command)
 {
     if ($command instanceof Command) {
         $command->setNotadd($this->notadd);
     }
     return $this->addToParent($command);
 }