Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

core/lib/Drupal/Core/Language/ContextProvider/CurrentLanguageContext.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\ContextProvider\CurrentLanguageContext.
- */
-
 namespace Drupal\Core\Language\ContextProvider;
 
 use Drupal\Core\Cache\CacheableMetadata;

core/lib/Drupal/Core/Language/Language.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\Language.
- */
-
 namespace Drupal\Core\Language;
 
 use Drupal\Core\StringTranslation\TranslatableMarkup;

core/lib/Drupal/Core/Language/LanguageDefault.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\LanguageDefault.
- */
-
 namespace Drupal\Core\Language;
 
 /**

core/lib/Drupal/Core/Language/LanguageInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\LanguageInterface.
- */
-
 namespace Drupal\Core\Language;
 
 /**

core/lib/Drupal/Core/Language/LanguageManager.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\LanguageManager.
- */
-
 namespace Drupal\Core\Language;
 
 use Drupal\Core\DependencyInjection\DependencySerializationTrait;
@@ -333,6 +328,28 @@ class LanguageManager implements LanguageManagerInterface {
     );
   }
 
+  /**
+   * The 6 official languages used at the United Nations.
+   *
+   * This list is based on
+   * http://www.un.org/en/sections/about-un/official-languages/index.html and it
+   * uses the same format as getStandardLanguageList().
+   *
+   * @return array
+   *   An array with language codes as keys, and English and native language
+   *   names as values.
+   */
+  public static function getUnitedNationsLanguageList() {
+    return [
+      'ar' => ['Arabic', /* Left-to-right marker "‭" */ 'العربية', LanguageInterface::DIRECTION_RTL],
+      'zh-hans' => ['Chinese, Simplified', '简体中文'],
+      'en' => ['English', 'English'],
+      'fr' => ['French', 'Français'],
+      'ru' => ['Russian', 'Русский'],
+      'es' => ['Spanish', 'Español'],
+    ];
+  }
+
   /**
    * {@inheritdoc}
    *

core/lib/Drupal/Core/Language/LanguageManagerInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Language\LanguageManagerInterface.
- */
-
 namespace Drupal\Core\Language;
 
 use Drupal\Core\Url;