public function toInsertableObject($object_to_fill = null, $props_to_skip = array())
 {
     if (is_null($object_to_fill)) {
         $object_to_fill = new EdgeServerNode();
     }
     return parent::toInsertableObject($object_to_fill, $props_to_skip);
 }
 public function getMapBetweenObjects()
 {
     return array_merge(parent::getMapBetweenObjects(), self::$mapBetweenObjects);
 }