Expanded class hierarchy of OverrideUserMailRequiredValidator in Administer Users by Role 8.2
- class \Drupal\user\Plugin\Validation\Constraint\UserMailRequiredValidator extends \Symfony\Component\Validator\ConstraintValidator
- class \Drupal\administerusersbyrole\Constraint\OverrideUserMailRequiredValidator
- class \Drupal\administerusersbyrole\Constraint\OverrideUserMailRequiredValidator