https://api.drupal.org/api/drupal/core%21modules%21filter%21src%21Controller%21FilterController.php/function/FilterController%3A%3AgetLabel/9
function FilterController::getLabel | Drupal API
functionfiltercontrollergetlabeldrupalapi
https://api.drupal.org/api/drupal/core%21modules%21filter%21src%21Controller%21FilterController.php/10
FilterController.php | Drupal API
filtercontrollerphpdrupalapi