Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'price_field_id', 'civicrm_price_field', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'membership_type_id', 'civicrm_membership_type', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'financial_type_id', 'civicrm_financial_type', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'price_field_id', 'civicrm_price_field', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'membership_type_id', 'civicrm_membership_type', 'id');
Civi::$statics[__CLASS__]['links'][] = new CRM_Core_Reference_Basic(self::getTableName(), 'financial_type_id', 'civicrm_financial_type', 'id');