Robo\Robo::resultPrinter PHP Method

    public static function resultPrinter()
    {
        return static::service('resultPrinter');
    }

 /**
  * @return $this
  */
 public function stopOnFail()
 {
     if (!$this->wasSuccessful()) {
         $resultPrinter = Robo::resultPrinter();
         if ($resultPrinter) {
             $resultPrinter->printStopOnFail($this);
         }
         $this->exitEarly($this->getExitCode());
     }
     return $this;
 }