class ViewsPluginManager

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);

    // Special handling until all views plugins have attribute classes.
    $attribute_name_candidate = 'Drupal\\views\\Attribute\\Views' . Container::camelize($type);
    $plugin_definition_attribute_name = class_exists($attribute_name_candidate) ? $attribute_name_candidate : Plugin::class;
    parent::__construct("Plugin/views/{$type}", $namespaces, $module_handler, 'Drupal\\views\\Plugin\\views\\ViewsPluginInterface', $plugin_definition_attribute_name, $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}");
  }

}