All classes that implement ConfigurableSearchPluginInterface in Zircon Profile 8
- class \Drupal\node\Plugin\Search\NodeSearch implements AccessibleInterface, SearchIndexingInterface
- class \Drupal\search\Plugin\ConfigurableSearchPluginBase implements ConfigurableSearchPluginInterface
- class \Drupal\search_extra_type\Plugin\Search\SearchExtraTypeSearch uses UrlGeneratorTrait