Same name in other branches
  1. 8.9.x Drupal\system\Plugin\Derivative
  2. 9 Drupal\system\Plugin\Derivative
Classsort descending Location Description
SystemMenuBlock core/modules/system/src/Plugin/Derivative/SystemMenuBlock.php Provides block plugin definitions for custom menus.
ThemeLocalTask core/modules/system/src/Plugin/Derivative/ThemeLocalTask.php Provides dynamic tabs based on active themes.