Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'custom_group_id', 'civicrm_custom_group', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'option_group_id', 'civicrm_option_group', 'id');
CRM_Core_DAO_AllCoreTables::invoke(__CLASS__, 'links_callback', Civi::$statics[__CLASS__]['links']);
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'custom_group_id', 'civicrm_custom_group', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'option_group_id', 'civicrm_option_group', 'id');
CRM_Core_DAO_AllCoreTables::invoke(__CLASS__, 'links_callback', Civi::$statics[__CLASS__]['links']);