sites_group_overrides-1.x-dev/sites_group_overrides.links.task.yml

sites_group_overrides.entities:
  class: \Drupal\Core\Menu\LocalTaskDefault
  deriver: \Drupal\sites_group_overrides\Plugin\Derivative\LocalTask
sites_group_overrides.entity_overrides:
  class: \Drupal\Core\Menu\LocalTaskDefault
  deriver: \Drupal\sites_group_overrides\Plugin\Derivative\OverridesLocalTask