diff --git a/core/lib/Drupal/Core/Command/GenerateProxyClassCommand.php b/core/lib/Drupal/Core/Command/GenerateProxyClassCommand.php
index 288deaa4861c073fbbb4c78c2e5042ca1e4b6d67..e7435ee9949a51cdc0f80450127f9fb062f3eee5 100644
--- a/core/lib/Drupal/Core/Command/GenerateProxyClassCommand.php
+++ b/core/lib/Drupal/Core/Command/GenerateProxyClassCommand.php
@@ -73,11 +73,7 @@ protected function execute(InputInterface $input, OutputInterface $output) {
 
       $file_string = <<<EOF
 <?php
-
-/**
- * @file
- * Contains \{{ proxy_class_name }}.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php '$class_name' "$namespace_root".
diff --git a/core/lib/Drupal/Core/ProxyClass/Batch/BatchStorage.php b/core/lib/Drupal/Core/ProxyClass/Batch/BatchStorage.php
index 3c2d9db96d8094dbef51a535eb3eb59df76ed88f..7caef866855eba2b9f7f49511315221e4871436c 100644
--- a/core/lib/Drupal/Core/ProxyClass/Batch/BatchStorage.php
+++ b/core/lib/Drupal/Core/ProxyClass/Batch/BatchStorage.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Batch\BatchStorage.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Batch\BatchStorage' "core/lib/Drupal/Core".
@@ -111,6 +107,14 @@ public function create(array $batch)
             return $this->lazyLoadItself()->create($batch);
         }
 
+        /**
+         * {@inheritdoc}
+         */
+        public function schemaDefinition()
+        {
+            return $this->lazyLoadItself()->schemaDefinition();
+        }
+
     }
 
 }
diff --git a/core/lib/Drupal/Core/ProxyClass/Config/ConfigInstaller.php b/core/lib/Drupal/Core/ProxyClass/Config/ConfigInstaller.php
index 7b84aa1c2c61a434784d2adbc7ea8aa73a39948e..bc7e75939d1113c260037493b653ca1d5b9baaa5 100644
--- a/core/lib/Drupal/Core/ProxyClass/Config/ConfigInstaller.php
+++ b/core/lib/Drupal/Core/ProxyClass/Config/ConfigInstaller.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Config\ConfigInstaller.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Config\ConfigInstaller' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Cron.php b/core/lib/Drupal/Core/ProxyClass/Cron.php
index 78eb2b096e902ac46a9760db0bcd68cd6203b582..2d31df02a5751eb164e7f8cabb70be7f01ff2a84 100644
--- a/core/lib/Drupal/Core/ProxyClass/Cron.php
+++ b/core/lib/Drupal/Core/ProxyClass/Cron.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Cron.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Cron' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Entity/ContentUninstallValidator.php b/core/lib/Drupal/Core/ProxyClass/Entity/ContentUninstallValidator.php
index 4bd4ec29e345dc2bfc149cae2156953bbaafef3f..00cc99dca9965acf51a5dac75eab422c5779e7f0 100644
--- a/core/lib/Drupal/Core/ProxyClass/Entity/ContentUninstallValidator.php
+++ b/core/lib/Drupal/Core/ProxyClass/Entity/ContentUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Entity\ContentUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Entity\ContentUninstallValidator' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php b/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php
index dded87b93ccdfb3f74afb5bcf6b3f164ac0886df..174f7fb7443f6be1e0a00c3da5bf8448f9884c6f 100644
--- a/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php
+++ b/core/lib/Drupal/Core/ProxyClass/Extension/ModuleInstaller.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Extension\ModuleInstaller.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Extension\ModuleInstaller' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Extension/RequiredModuleUninstallValidator.php b/core/lib/Drupal/Core/ProxyClass/Extension/RequiredModuleUninstallValidator.php
index e5e18d726e91155dcb4a0d18c91cd7d0a22d508a..d50a3ac3c1ec4399c094950e3efe163adc090465 100644
--- a/core/lib/Drupal/Core/ProxyClass/Extension/RequiredModuleUninstallValidator.php
+++ b/core/lib/Drupal/Core/ProxyClass/Extension/RequiredModuleUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Extension\RequiredModuleUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Extension\RequiredModuleUninstallValidator' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Field/FieldModuleUninstallValidator.php b/core/lib/Drupal/Core/ProxyClass/Field/FieldModuleUninstallValidator.php
index fe570c00e814636e16de40739c67a63df44415dd..f15745ff577ac8bff8ddc0688a4f5b38546faf60 100644
--- a/core/lib/Drupal/Core/ProxyClass/Field/FieldModuleUninstallValidator.php
+++ b/core/lib/Drupal/Core/ProxyClass/Field/FieldModuleUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Field\FieldModuleUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Field\FieldModuleUninstallValidator' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/File/MimeType/ExtensionMimeTypeGuesser.php b/core/lib/Drupal/Core/ProxyClass/File/MimeType/ExtensionMimeTypeGuesser.php
index 918d0b611c287c8cfdf595f653c0adad72d86311..ccaa8cc0c4ee5688e8efcbcaf406cee8ff8bccc7 100644
--- a/core/lib/Drupal/Core/ProxyClass/File/MimeType/ExtensionMimeTypeGuesser.php
+++ b/core/lib/Drupal/Core/ProxyClass/File/MimeType/ExtensionMimeTypeGuesser.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\File\MimeType\ExtensionMimeTypeGuesser.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\File\MimeType\ExtensionMimeTypeGuesser' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/File/MimeType/MimeTypeGuesser.php b/core/lib/Drupal/Core/ProxyClass/File/MimeType/MimeTypeGuesser.php
index c80c7d0de513b0dbddea4c45ce5865e6eb350aa2..02f21c5230aa2119dc6bb9af76238cc71a3475d6 100644
--- a/core/lib/Drupal/Core/ProxyClass/File/MimeType/MimeTypeGuesser.php
+++ b/core/lib/Drupal/Core/ProxyClass/File/MimeType/MimeTypeGuesser.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\File\MimeType\MimeTypeGuesser.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\File\MimeType\MimeTypeGuesser' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Lock/DatabaseLockBackend.php b/core/lib/Drupal/Core/ProxyClass/Lock/DatabaseLockBackend.php
index 0f00237a37bfb9f274e02f63867f430d4f355a78..a8a48bf4ef9f7d3bafaf1aa96afeae219a1d09c3 100644
--- a/core/lib/Drupal/Core/ProxyClass/Lock/DatabaseLockBackend.php
+++ b/core/lib/Drupal/Core/ProxyClass/Lock/DatabaseLockBackend.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Lock\DatabaseLockBackend.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Lock\DatabaseLockBackend' "core/lib/Drupal/Core".
@@ -103,6 +99,14 @@ public function releaseAll($lock_id = NULL)
             return $this->lazyLoadItself()->releaseAll($lock_id);
         }
 
+        /**
+         * {@inheritdoc}
+         */
+        public function schemaDefinition()
+        {
+            return $this->lazyLoadItself()->schemaDefinition();
+        }
+
         /**
          * {@inheritdoc}
          */
diff --git a/core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php b/core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php
index 51cb458071c3878af5710930214a4ece4c62065d..0c4581b2c2350c57715e9c36c6192b8846d12db9 100644
--- a/core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php
+++ b/core/lib/Drupal/Core/ProxyClass/Lock/PersistentDatabaseLockBackend.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Lock\PersistentDatabaseLockBackend.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Lock\PersistentDatabaseLockBackend' "core/lib/Drupal/Core".
@@ -103,6 +99,14 @@ public function releaseAll($lock_id = NULL)
             return $this->lazyLoadItself()->releaseAll($lock_id);
         }
 
+        /**
+         * {@inheritdoc}
+         */
+        public function schemaDefinition()
+        {
+            return $this->lazyLoadItself()->schemaDefinition();
+        }
+
         /**
          * {@inheritdoc}
          */
diff --git a/core/lib/Drupal/Core/ProxyClass/PageCache/ChainResponsePolicy.php b/core/lib/Drupal/Core/ProxyClass/PageCache/ChainResponsePolicy.php
index e7894ee09e145725c10bcacc425a299279847370..47b294dffba77e48f87827ec1c57a170abdec978 100644
--- a/core/lib/Drupal/Core/ProxyClass/PageCache/ChainResponsePolicy.php
+++ b/core/lib/Drupal/Core/ProxyClass/PageCache/ChainResponsePolicy.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\PageCache\ChainResponsePolicy.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\PageCache\ChainResponsePolicy' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/ParamConverter/AdminPathConfigEntityConverter.php b/core/lib/Drupal/Core/ProxyClass/ParamConverter/AdminPathConfigEntityConverter.php
index ffa2141e12027b47fca933221637552e0bee7af9..3e2f908993ae62b2dd954161b4726b345f753202 100644
--- a/core/lib/Drupal/Core/ProxyClass/ParamConverter/AdminPathConfigEntityConverter.php
+++ b/core/lib/Drupal/Core/ProxyClass/ParamConverter/AdminPathConfigEntityConverter.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\ParamConverter\AdminPathConfigEntityConverter.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\ParamConverter\AdminPathConfigEntityConverter' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/ParamConverter/MenuLinkPluginConverter.php b/core/lib/Drupal/Core/ProxyClass/ParamConverter/MenuLinkPluginConverter.php
index 4621ec9d462b16846781753d630da5d128f88147..bd83085d974e02df855bc7355cf97583d167d71b 100644
--- a/core/lib/Drupal/Core/ProxyClass/ParamConverter/MenuLinkPluginConverter.php
+++ b/core/lib/Drupal/Core/ProxyClass/ParamConverter/MenuLinkPluginConverter.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\ParamConverter\MenuLinkPluginConverter.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\ParamConverter\MenuLinkPluginConverter' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Plugin/CachedDiscoveryClearer.php b/core/lib/Drupal/Core/ProxyClass/Plugin/CachedDiscoveryClearer.php
index 629e4b60d67436a4adba4cbf22adc329a1a502f0..2658ba8719b31c6c99c0b8b0334709408b6e218c 100644
--- a/core/lib/Drupal/Core/ProxyClass/Plugin/CachedDiscoveryClearer.php
+++ b/core/lib/Drupal/Core/ProxyClass/Plugin/CachedDiscoveryClearer.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Plugin\CachedDiscoveryClearer.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Plugin\CachedDiscoveryClearer' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Render/BareHtmlPageRenderer.php b/core/lib/Drupal/Core/ProxyClass/Render/BareHtmlPageRenderer.php
index 944bbdf5b42ee8a5845be9c0eb0aa6a48a95a4ba..7814e2255633b78d9ed7ad49cc18a34367b83980 100644
--- a/core/lib/Drupal/Core/ProxyClass/Render/BareHtmlPageRenderer.php
+++ b/core/lib/Drupal/Core/ProxyClass/Render/BareHtmlPageRenderer.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Render\BareHtmlPageRenderer' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Routing/MatcherDumper.php b/core/lib/Drupal/Core/ProxyClass/Routing/MatcherDumper.php
index df23b7e38b77bcff0794c4ce2ff50c04304e2f47..e3ffe1c352a1d0052d39fde99b403b17e35ad132 100644
--- a/core/lib/Drupal/Core/ProxyClass/Routing/MatcherDumper.php
+++ b/core/lib/Drupal/Core/ProxyClass/Routing/MatcherDumper.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Routing\MatcherDumper.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Routing\MatcherDumper' "core/lib/Drupal/Core".
diff --git a/core/lib/Drupal/Core/ProxyClass/Routing/RouteBuilder.php b/core/lib/Drupal/Core/ProxyClass/Routing/RouteBuilder.php
index e2aad6544f8204b139dbe73b234c9c9e85b96d83..8d82ef56044d8ddab4e30ea0751aeb95727b329f 100644
--- a/core/lib/Drupal/Core/ProxyClass/Routing/RouteBuilder.php
+++ b/core/lib/Drupal/Core/ProxyClass/Routing/RouteBuilder.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\Core\ProxyClass\Routing\RouteBuilder.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\Core\Routing\RouteBuilder' "core/lib/Drupal/Core".
diff --git a/core/modules/book/src/ProxyClass/BookUninstallValidator.php b/core/modules/book/src/ProxyClass/BookUninstallValidator.php
index 93986f04ffb339d423bb3408b648214bacb99388..d0082fe8f66d290063d37e94bb50cc3a2637b8c6 100644
--- a/core/modules/book/src/ProxyClass/BookUninstallValidator.php
+++ b/core/modules/book/src/ProxyClass/BookUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\book\ProxyClass\BookUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\book\BookUninstallValidator' "core/modules/book/src".
diff --git a/core/modules/field/src/ProxyClass/FieldUninstallValidator.php b/core/modules/field/src/ProxyClass/FieldUninstallValidator.php
index 4bba9c796a09845c1a3789a9bb27f661cd014ffa..17a7b37074bbcfb8233d98aab6b344ee6be3512f 100644
--- a/core/modules/field/src/ProxyClass/FieldUninstallValidator.php
+++ b/core/modules/field/src/ProxyClass/FieldUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\field\ProxyClass\FieldUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\field\FieldUninstallValidator' "core/modules/field/src".
diff --git a/core/modules/filter/src/ProxyClass/FilterUninstallValidator.php b/core/modules/filter/src/ProxyClass/FilterUninstallValidator.php
index 7c1c1e34cbc705b58653ae25787a2dd4205264f1..326f77108b871222e2e25bf1e1b21efa05caf4d3 100644
--- a/core/modules/filter/src/ProxyClass/FilterUninstallValidator.php
+++ b/core/modules/filter/src/ProxyClass/FilterUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\filter\ProxyClass\FilterUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\filter\FilterUninstallValidator' "core/modules/filter/src".
diff --git a/core/modules/forum/src/ProxyClass/ForumUninstallValidator.php b/core/modules/forum/src/ProxyClass/ForumUninstallValidator.php
index f668373fecc92a46b200839d3dddc70d4678bf31..4d398a9044156cb7ef99924a30d08142564e4d99 100644
--- a/core/modules/forum/src/ProxyClass/ForumUninstallValidator.php
+++ b/core/modules/forum/src/ProxyClass/ForumUninstallValidator.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\forum\ProxyClass\ForumUninstallValidator.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\forum\ForumUninstallValidator' "core/modules/forum/src".
diff --git a/core/modules/language/src/ProxyClass/LanguageConverter.php b/core/modules/language/src/ProxyClass/LanguageConverter.php
index 3ec85cff338d99b316b384c8224fdd8d957a858c..0316bf8b14f99f7386a6df8165d66557dd6c09a2 100644
--- a/core/modules/language/src/ProxyClass/LanguageConverter.php
+++ b/core/modules/language/src/ProxyClass/LanguageConverter.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\language\ProxyClass\LanguageConverter.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\language\LanguageConverter' "core/modules/language/src".
diff --git a/core/modules/node/src/ProxyClass/ParamConverter/NodePreviewConverter.php b/core/modules/node/src/ProxyClass/ParamConverter/NodePreviewConverter.php
index 95629421423c8c160244b5a39a4749d9ddb703f4..afe5fe0fb1ac1d850c4dfd9da13e4bcd240a3c2d 100644
--- a/core/modules/node/src/ProxyClass/ParamConverter/NodePreviewConverter.php
+++ b/core/modules/node/src/ProxyClass/ParamConverter/NodePreviewConverter.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\node\ProxyClass\ParamConverter\NodePreviewConverter.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\node\ParamConverter\NodePreviewConverter' "core/modules/node/src".
diff --git a/core/modules/views_ui/src/ProxyClass/ParamConverter/ViewUIConverter.php b/core/modules/views_ui/src/ProxyClass/ParamConverter/ViewUIConverter.php
index 9a897f2720f4b53c37bb0be48170081912576836..3e054a72d1045c609d0d44256d9c2b4f9d59a88a 100644
--- a/core/modules/views_ui/src/ProxyClass/ParamConverter/ViewUIConverter.php
+++ b/core/modules/views_ui/src/ProxyClass/ParamConverter/ViewUIConverter.php
@@ -1,9 +1,5 @@
 <?php
-
-/**
- * @file
- * Contains \Drupal\views_ui\ProxyClass\ParamConverter\ViewUIConverter.
- */
+// @codingStandardsIgnoreFile
 
 /**
  * This file was generated via php core/scripts/generate-proxy-class.php 'Drupal\views_ui\ParamConverter\ViewUIConverter' "core/modules/views_ui/src".