code: public static function get($interface, $foreignTable)
      {
          if (!isset(self::$_metas[$foreignTable])) {
              self::$_metas[$foreignTable] = new static($interface, $foreignTable);
          }
  
          return self::$_metas[$foreignTable];
      }
docs: Get.
  
  @param InterfaceItem    $interface    the interface object
  @param string $foreignTable the foreign table name
  
  @return static meta object for the given interface and foreign table