Expanded class hierarchy of Standard in Drupal 10
- class \Drupal\views\Plugin\views\relationship\RelationshipPluginBase extends \Drupal\views\Plugin\views\HandlerBase
- class \Drupal\taxonomy\Plugin\views\relationship\NodeTermData
- class \Drupal\views\Plugin\views\relationship\Broken uses BrokenHandlerTrait
- class \Drupal\views\Plugin\views\relationship\Standard