> $dependencies * An array of dependencies that will be deleted keyed by dependency type. * Dependency types are, for example, entity, module and theme. * * @return \Drupal\Core\Plugin\RemovableDependentPluginReturn * - RemovableDependentPluginReturn::Changed if the configuration of the * plugin instance has changed * - RemovableDependentPluginReturn::Remove if the plugin instance should be * removed from the plugin collection * - RemovableDependentPluginReturn::Unchanged if the configuration of the * plugin instance has not changed. */ public function onCollectionDependencyRemoval(array $dependencies): RemovableDependentPluginReturn; }