--- /dev/null
+<?php
+
+/**
+ * @file
+ * Provide views data for user.module.
+ */
+
+/**
+ * Implements hook_views_plugins_argument_validator_alter().
+ */
+function user_views_plugins_argument_validator_alter(array &$plugins) {
+ $plugins['entity:user']['title'] = t('User ID');
+ $plugins['entity:user']['class'] = 'Drupal\user\Plugin\views\argument_validator\User';
+ $plugins['entity:user']['provider'] = 'user';
+}