Issue #2533800 by alexpott: Remove all unused use statements from core

core/includes/batch.inc

@@ -14,7 +14,6 @@
  * @see batch_get()
  */
 
-use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\Timer;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Batch\Percentage;

core/includes/bootstrap.inc

@@ -4,23 +4,15 @@
  * Functions that need to be loaded on every Drupal request.
  */
 
-use Drupal\Component\Datetime\DateTimePlus;
 use Drupal\Component\Utility\Crypt;
-use Drupal\Component\Utility\Environment;
 use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\Unicode;
-use Drupal\Core\DrupalKernel;
-use Drupal\Core\Extension\ExtensionDiscovery;
 use Drupal\Core\Logger\RfcLogLevel;
 use Drupal\Core\Render\Markup;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Site\Settings;
 use Drupal\Core\Utility\Error;
-use Symfony\Component\ClassLoader\ApcClassLoader;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
-use Drupal\Core\Language\LanguageInterface;
 
 /**
  * Minimum supported version of PHP.

core/includes/common.inc

@@ -9,35 +9,18 @@
  */
 
 use Drupal\Component\Serialization\Json;
-use Drupal\Component\Serialization\Yaml;
-use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
 use Drupal\Component\Utility\Bytes;
-use Drupal\Component\Utility\Crypt;
 use Drupal\Component\Utility\Html;
-use Drupal\Component\Utility\Number;
 use Drupal\Component\Utility\SortArray;
-use Drupal\Component\Utility\SafeMarkup;
-use Drupal\Component\Utility\Tags;
 use Drupal\Component\Utility\UrlHelper;
-use Drupal\Core\Asset\AttachedAssets;
 use Drupal\Core\Cache\Cache;
-use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Render\Markup;
 use Drupal\Core\Render\Renderer;
-use Drupal\Core\Site\Settings;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
-use Drupal\Core\Url;
-use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpFoundation\Request;
 use Drupal\Core\PhpStorage\PhpStorageFactory;
-use Drupal\Component\Utility\NestedArray;
-use Drupal\Core\Datetime\DrupalDateTime;
-use Drupal\Core\Routing\GeneratorNotInitializedException;
 use Drupal\Core\StringTranslation\PluralTranslatableMarkup;
-use Drupal\Core\Template\Attribute;
 use Drupal\Core\Render\BubbleableMetadata;
 use Drupal\Core\Render\Element;
-use Drupal\Core\Session\AnonymousUserSession;
 
 /**
  * @defgroup php_wrappers PHP wrapper functions

core/includes/entity.inc

@@ -5,8 +5,6 @@
  * Entity API for handling entities like nodes or users.
  */
 
-use Drupal\Core\Cache\Cache;
-use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Entity\EntityInterface;
 
 /**

core/includes/file.inc

@@ -5,14 +5,12 @@
  * API for handling file uploads and server file management.
  */
 
-use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Component\PhpStorage\FileStorage;
 use Drupal\Component\Utility\Bytes;
 use Drupal\Core\File\FileSystem;
 use Drupal\Core\StreamWrapper\PublicStream;
-use Drupal\Core\StreamWrapper\StreamWrapperInterface;
 use Drupal\Core\StreamWrapper\PrivateStream;
 
 /**

core/includes/form.inc

@@ -5,12 +5,7 @@
  * Functions for form and batch generation and processing.
  */
 
-use Drupal\Component\Utility\NestedArray;
 use Drupal\Component\Utility\UrlHelper;
-use Drupal\Component\Utility\Xss;
-use Drupal\Core\Database\Database;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Form\OptGroup;
 use Drupal\Core\Render\Element;
 use Drupal\Core\Template\Attribute;
 use Drupal\Core\Url;

core/includes/install.core.inc

 <?php
 
-use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\DrupalKernel;
 use Drupal\Core\Config\BootstrapConfigStorageFactory;

core/includes/module.inc

@@ -5,7 +5,6 @@
  * API for loading and interacting with Drupal modules.
  */
 
-use Drupal\Core\Cache\Cache;
 use Drupal\Core\Extension\ExtensionDiscovery;
 
 /**

core/includes/pager.inc

@@ -5,7 +5,6 @@
  * Functions to aid in presenting database results as a set of pages.
  */
 
-use Drupal\Core\Template\Attribute;
 use Drupal\Component\Utility\UrlHelper;
 
 /**

core/includes/schema.inc

@@ -5,8 +5,6 @@
  * Schema API handling functions.
  */
 
-use Drupal\Core\Database\Database;
-
 /**
  * @addtogroup schemaapi
  * @{

core/includes/theme.inc

@@ -14,7 +14,6 @@
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Render\MarkupInterface;
 use Drupal\Component\Utility\Unicode;
-use Drupal\Component\Utility\Xss;
 use Drupal\Core\Config\Config;
 use Drupal\Core\Config\StorageException;
 use Drupal\Core\Render\RenderableInterface;

core/includes/update.inc

@@ -9,7 +9,6 @@
  */
 
 use Drupal\Component\Graph\Graph;
-use Drupal\Component\Utility\Html;
 use Drupal\Core\Utility\Error;
 
 /**

core/includes/utility.inc

@@ -5,7 +5,6 @@
  * Miscellaneous functions.
  */
 
-use Drupal\Component\Utility\Variable;
 use Drupal\Core\PhpStorage\PhpStorageFactory;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\DrupalKernel;

core/lib/Drupal/Component/Gettext/PoMemoryWriter.php

@@ -7,10 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoWriterInterface;
-use Drupal\Component\Gettext\PoHeader;
-use Drupal\Component\Gettext\PoItem;
-
 /**
  * Defines a Gettext PO memory writer, to be used by the installer.
  */

core/lib/Drupal/Component/Gettext/PoMetadataInterface.php

@@ -7,8 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoHeader;
-
 /**
  * Methods required for both reader and writer implementations.
  *

core/lib/Drupal/Component/Gettext/PoReaderInterface.php

@@ -7,8 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoMetadataInterface;
-
 /**
  * Shared interface definition for all Gettext PO Readers.
  */

core/lib/Drupal/Component/Gettext/PoStreamReader.php

@@ -7,9 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoReaderInterface;
-use Drupal\Component\Gettext\PoStreamInterface;
-use Drupal\Component\Gettext\PoHeader;
 use Drupal\Component\Utility\SafeMarkup;
 
 /**

core/lib/Drupal/Component/Gettext/PoStreamWriter.php

@@ -7,12 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoHeader;
-use Drupal\Component\Gettext\PoItem;
-use Drupal\Component\Gettext\PoReaderInterface;
-use Drupal\Component\Gettext\PoWriterInterface;
-use Drupal\Component\Gettext\PoStreamInterface;
-
 /**
  * Defines a Gettext PO stream writer.
  */

core/lib/Drupal/Component/Gettext/PoWriterInterface.php

@@ -7,9 +7,6 @@
 
 namespace Drupal\Component\Gettext;
 
-use Drupal\Component\Gettext\PoMetadataInterface;
-use Drupal\Component\Gettext\PoItem;
-
 /**
  * Shared interface definition for all Gettext PO Writers.
  */

core/lib/Drupal/Component/Plugin/Exception/InvalidDecoratedMethod.php

@@ -6,7 +6,6 @@
 
 namespace Drupal\Component\Plugin\Exception;
 
-use Drupal\Component\Plugin\Exception\ExceptionInterface;
 use \BadMethodCallException;
 
 /**