/**
  * @param AddSegmentsErrors $errors
  */
 private function isStartTimeWithinEpisodeBounds($errors)
 {
     $startTime = $this->segment->getStartTime();
     if (!TimeValidator::isSegmentWithinEpisodeBounds($startTime, $this->episode)) {
         $errors->markStartTimeOutOfEpisodeBounds();
     }
 }