https://api.drupal.org/api/drupal/core%21modules%21user%21src%21RoleStorage.php/8.9.x
RoleStorage.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21user%21src%21RoleStorage.php/class/RoleStorage/8.9.x
class RoleStorage | Drupal API
classdrupalapi
https://api.drupal.org/api/devel/src%21SwitchUserListHelper.php/property/SwitchUserListHelper%3A%3AroleStorage/5.x
SwitchUserListHelper::$roleStorage | Drupal API
drupalapi