/**
  * Prints task success information.
  *
  * @param Event $event
  *
  * @return null
  */
 public function onTaskSuccess(Event $event)
 {
     $exitCode = $event->getExitCode();
     if ($exitCode === 0) {
         $this->outputHandler->write(sprintf("|-> <success>Successful</success>"));
     } else {
         $this->outputHandler->write(sprintf("|-> <success>Successful</success> | <warning>Exit Code %s</warning>", $exitCode));
     }
 }