https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Config%21Entity%21ConfigEntityStorage.php/property/ConfigEntityStorage%3A%3AconfigStorage/11.x
ConfigEntityStorage::$configStorage | Drupal API
drupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Config%21Entity%21ConfigEntityStorage.php/property/ConfigEntityStorage%3A%3AconfigStorage/9
ConfigEntityStorage::$configStorage | Drupal API
drupalapi