code: protected function validateParams(Event $event)
      {
          return (
              $this->genericParamValidation($event) &&
              $this->firstParamValidation($event) &&
              $this->secondParamValidation($event)
          );
      }
docs: Check the supplied parameters are valid
  
  @param \Phergie\Irc\Plugin\React\Command\CommandEvent $event
  @return boolean