Expanded class hierarchy of FilterInterface in Drupal 8
- interface \Drupal\Component\Plugin\ConfigurableInterface; interface \Drupal\Component\Plugin\DependentPluginInterface; interface \Drupal\Component\Plugin\ConfigurablePluginInterface; interface \Drupal\Component\Plugin\PluginInspectionInterface
- interface \Drupal\filter\Plugin\FilterInterface
- interface \Drupal\markdown\Plugin\Filter\FilterMarkdownInterface
- interface \Drupal\filter\Plugin\FilterInterface