https://api.drupal.org/api/drupal/core%21modules%21user%21src%21Plugin%21Field%21FieldFormatter%21UserNameFormatter.php/function/UserNameFormatter%3A%3AviewElements/10
function UserNameFormatter::viewElements | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21modules%21user%21src%21Plugin%21Field%21FieldFormatter%21UserNameFormatter.php/function/UserNameFormatter%3A%3AisApplicable/10
function UserNameFormatter::isApplicable | Drupal API
functiondrupalapi