https://www.drupal.org/node/2236983
Not at all clear how/when Database::addConnectionInfo should be called. [#2236983] | Drupal.org
May 5, 2022 - API page: https://api.drupal.org/api/drupal/includes%21database%21database.inc/function/Database%3A%3AaddConnectionInfo/7 Enter a descriptive title (above)...
not at all