Expanded class hierarchy of WebformVariantInterface in Webform 8.5
- interface \Drupal\Component\Plugin\PluginInspectionInterface; interface \Drupal\Component\Plugin\ConfigurableInterface; interface \Drupal\Core\Plugin\ContainerFactoryPluginInterface; interface \Drupal\Core\Plugin\PluginFormInterface; interface \Drupal\webform\Plugin\WebformEntityInjectionInterface; interface \Drupal\webform\Plugin\WebformPluginSettingsInterface
- interface \Drupal\webform\Plugin\WebformVariantInterface