Expanded class hierarchy of Broken in Drupal 10
- class \Drupal\Core\Block\Plugin\Block\Broken extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Block\BlockPluginInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface uses \Drupal\Core\Block\BlockPluginTrait, \Drupal\Core\Cache\CacheableDependencyTrait