code: protected function loadGeoCode(PointOfRefSearchOptions $params)
      {
          if ($this->checkAllNotEmpty($params->latitude, $params->longitude)) {
              $this->porFndQryParams->geoCode = new GeoCode(
                  $params->longitude,
                  $params->latitude
              );
          }
      }
docs: Search by geocode?
  
  @param PointOfRefSearchOptions $params