https://api.drupal.org/api/devel/src%21ToolbarHandler.php/property/ToolbarHandler%3A%3Aaccount/4.x
ToolbarHandler::$account | Drupal API
accountdrupalapi
https://api.drupal.org/api/devel/src%21ToolbarHandler.php/property/ToolbarHandler%3A%3Aaccount/5.x
ToolbarHandler::$account | Drupal API
accountdrupalapi