All classes that implement FlagTypePluginInterface in Flag 8.4
- class \Drupal\flag\FlagType\FlagTypeBase implements FlagTypePluginInterface uses StringTranslationTrait
- class \Drupal\flag\Plugin\Flag\CommentFlagType
- class \Drupal\flag\Plugin\Flag\EntityFlagType uses StringTranslationTrait
- class \Drupal\flag\Plugin\Flag\UserFlagType
- class \Drupal\flag_test_plugins\Plugin\Flag\AccessDenied
- class \Drupal\flag_test_plugins\Plugin\Flag\AccessGranted