--- /dev/null
+<?php
+
+namespace Drupal\views\Plugin;
+
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\DefaultPluginManager;
+use Symfony\Component\DependencyInjection\Container;
+
+/**
+ * Plugin type manager for all views plugins.
+ *
+ * @ingroup views_plugins
+ */
+class ViewsPluginManager extends DefaultPluginManager {
+
+ /**
+ * Constructs a ViewsPluginManager object.
+ *
+ * @param string $type
+ * The plugin type, for example filter.
+ * @param \Traversable $namespaces
+ * An object that implements \Traversable which contains the root paths
+ * keyed by the corresponding namespace to look for plugin implementations,
+ * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
+ * Cache backend instance to use.
+ * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+ * The module handler to invoke the alter hook with.
+ */
+ public function __construct($type, \Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
+ $plugin_definition_annotation_name = 'Drupal\views\Annotation\Views' . Container::camelize($type);
+ parent::__construct("Plugin/views/$type", $namespaces, $module_handler, 'Drupal\views\Plugin\views\ViewsPluginInterface', $plugin_definition_annotation_name);
+
+ $this->defaults += [
+ 'parent' => 'parent',
+ 'plugin_type' => $type,
+ 'register_theme' => TRUE,
+ ];
+
+ $this->alterInfo('views_plugins_' . $type);
+ $this->setCacheBackend($cache_backend, "views:$type");
+ }
+
+}