namespace Drupal\Core\Layout;
use Drupal\Component\Plugin\CategorizingPluginManagerInterface;
+use Drupal\Core\Plugin\FilteredPluginManagerInterface;
/**
* Provides the interface for a plugin manager of layouts.
*/
-interface LayoutPluginManagerInterface extends CategorizingPluginManagerInterface {
+interface LayoutPluginManagerInterface extends CategorizingPluginManagerInterface, FilteredPluginManagerInterface {
/**
* Gets theme implementations for layouts.