PluginManagerBase

class \Drupal\Component\Plugin\PluginManagerBase implements \Drupal\Component\Plugin\PluginManagerInterface uses \Drupal\Component\Plugin\Discovery\DiscoveryTrait
- class \Drupal\Core\Plugin\DefaultPluginManager extends \Drupal\Component\Plugin\PluginManagerBase implements \Drupal\Component\Plugin\PluginManagerInterface, \Drupal\Component\Plugin\Discovery\CachedDiscoveryInterface, \Drupal\Core\Cache\CacheableDependencyInterface uses \Drupal\Component\Plugin\Discovery\DiscoveryCachedTrait, \Drupal\Core\Cache\UseCacheBackendTrait