code: public function loadSpecificChanges($changeTicketing, $changeQueueing, $changeOptQueueEl)
      {
          if ($changeTicketing) {
              $this->specificChanges[] = new SpecificChanges(
                  SpecificChanges::ACTION_TICKETING_OFFICE
              );
          }
          if ($changeQueueing) {
              $this->specificChanges[] = new SpecificChanges(
                  SpecificChanges::ACTION_QUEUEING_OFFICE
              );
          }
          if ($changeOptQueueEl) {
              $this->specificChanges[] = new SpecificChanges(
                  SpecificChanges::ACTION_OPT_QUEUE_ELEMENT
              );
          }
      }
docs: Load Specific Changes
  
  @param bool $changeTicketing Change Ticketing office?
  @param bool $changeQueueing Change Queueing office?
  @param bool $changeOptQueueEl Change the office specified in the option queue element?