diff --git a/core/lib/Drupal/Component/Diff/Diff.php b/core/lib/Drupal/Component/Diff/Diff.php
index 637eca9ea07c112541b38330ff9ee60553350888..4afcbd3e3a7cf192ce72ae7270f93e7f2dafc379 100644
--- a/core/lib/Drupal/Component/Diff/Diff.php
+++ b/core/lib/Drupal/Component/Diff/Diff.php
@@ -169,4 +169,3 @@ public function getEdits() {
     return $this->edits;
   }
 }
-
diff --git a/core/lib/Drupal/Component/Diff/MappedDiff.php b/core/lib/Drupal/Component/Diff/MappedDiff.php
index 10be64a78da4a9fdb532426bf9575de4eef1c3f6..a0bdc69b904f8561544f60db4d5d636e9c7ee7f9 100644
--- a/core/lib/Drupal/Component/Diff/MappedDiff.php
+++ b/core/lib/Drupal/Component/Diff/MappedDiff.php
@@ -56,4 +56,3 @@ public function __construct($from_lines, $to_lines, $mapped_from_lines, $mapped_
     }
   }
 }
-
diff --git a/core/lib/Drupal/Component/Discovery/YamlDiscovery.php b/core/lib/Drupal/Component/Discovery/YamlDiscovery.php
index c32628166c2c33035b94735470a1209842bb696a..8f8b4443cb9beac5abde410a60b2e6dbc9816cc3 100644
--- a/core/lib/Drupal/Component/Discovery/YamlDiscovery.php
+++ b/core/lib/Drupal/Component/Discovery/YamlDiscovery.php
@@ -86,4 +86,3 @@ protected function findFiles() {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Ajax/DataCommand.php b/core/lib/Drupal/Core/Ajax/DataCommand.php
index 6c650a5463b959cd4347085ab573471a2b4d356f..fe838caced7db499f83744f851698a1e7b1bfa39 100644
--- a/core/lib/Drupal/Core/Ajax/DataCommand.php
+++ b/core/lib/Drupal/Core/Ajax/DataCommand.php
@@ -71,4 +71,3 @@ public function render() {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/AppRootFactory.php b/core/lib/Drupal/Core/AppRootFactory.php
index 1d86a858f8b447807b5f4e4537dbf8e993c4ee85..65c4592ede80d87e53091d7c2277edbe8bbdcd1e 100644
--- a/core/lib/Drupal/Core/AppRootFactory.php
+++ b/core/lib/Drupal/Core/AppRootFactory.php
@@ -34,4 +34,3 @@ public function get() {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Archiver/ArchiverException.php b/core/lib/Drupal/Core/Archiver/ArchiverException.php
index 35e76088e1daeebdfad12e5824bc452ab6862cea..b1ad0b6e91fe273da0ed45fe678511918c46a6b2 100644
--- a/core/lib/Drupal/Core/Archiver/ArchiverException.php
+++ b/core/lib/Drupal/Core/Archiver/ArchiverException.php
@@ -6,4 +6,3 @@
  * Defines an exception class for Drupal\Core\Archiver\ArchiverInterface.
  */
 class ArchiverException extends \Exception {}
-
diff --git a/core/lib/Drupal/Core/Config/ConfigCrudEvent.php b/core/lib/Drupal/Core/Config/ConfigCrudEvent.php
index b343e4c6799223b1db5b2e77f7287c372093d253..af25d361306665d77face250283fefb36249831b 100644
--- a/core/lib/Drupal/Core/Config/ConfigCrudEvent.php
+++ b/core/lib/Drupal/Core/Config/ConfigCrudEvent.php
@@ -49,4 +49,3 @@ public function isChanged($key) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php b/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php
index f459878d8ce72ae657c208e19d9645620ab5ebdf..aa5045ba16823762a7f4f2f322e04014c7994353 100644
--- a/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php
+++ b/core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php
@@ -100,4 +100,3 @@ public function setOverride($name, array $values) {
     return $this;
   }
 }
-
diff --git a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
index 849903441aa093a1462ce6f7ca8ad67c907a094b..9fc7d4cebcf395f57629d4552be33785da53c620 100644
--- a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -132,4 +132,3 @@ protected function getAllFolders() {
     return $this->folders;
   }
 }
-
diff --git a/core/lib/Drupal/Core/Database/DatabaseException.php b/core/lib/Drupal/Core/Database/DatabaseException.php
index 3f3d0da2125b9768144e34051444f25292b92799..a9470b90e74eccd55db182addf2eb3d22fd97cdb 100644
--- a/core/lib/Drupal/Core/Database/DatabaseException.php
+++ b/core/lib/Drupal/Core/Database/DatabaseException.php
@@ -11,4 +11,3 @@
  * developers should account for it separately.
  */
 interface DatabaseException { }
-
diff --git a/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php b/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
index 7d77922e3ee6a438897c480a9c30e845e933dc00..be400adbd1ea197ed66b3eaf30c1a9bf3f61004d 100644
--- a/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
+++ b/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
@@ -12,4 +12,4 @@ public function forUpdate($set = TRUE) {
     // SQLite does not support FOR UPDATE so nothing to do.
     return $this;
   }
-}
\ No newline at end of file
+}
diff --git a/core/lib/Drupal/Core/Datetime/DateHelper.php b/core/lib/Drupal/Core/Datetime/DateHelper.php
index 1a8bf6c790da04e86d67018e4762267b3f6107bc..70db9b3c41ea487612a41b55d8eaa6f5e1f1cd44 100644
--- a/core/lib/Drupal/Core/Datetime/DateHelper.php
+++ b/core/lib/Drupal/Core/Datetime/DateHelper.php
@@ -531,4 +531,3 @@ public static function dayOfWeekName($date = NULL, $abbr = TRUE) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Datetime/Element/DateElementBase.php b/core/lib/Drupal/Core/Datetime/Element/DateElementBase.php
index ca2ee425918f1bb1d9495be106971cd2bbfa1113..12ab03ba3f668481ac3d01346771b29c518f5c2f 100644
--- a/core/lib/Drupal/Core/Datetime/Element/DateElementBase.php
+++ b/core/lib/Drupal/Core/Datetime/Element/DateElementBase.php
@@ -70,4 +70,3 @@ protected static function datetimeRangeYears($string, $date = NULL) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Entity/Controller/EntityListController.php b/core/lib/Drupal/Core/Entity/Controller/EntityListController.php
index 1c93865e797c017e339b46300b4c51fa319ca7ee..d8a1ea12dd7db993f9b5091f5651d99442e7240c 100644
--- a/core/lib/Drupal/Core/Entity/Controller/EntityListController.php
+++ b/core/lib/Drupal/Core/Entity/Controller/EntityListController.php
@@ -23,4 +23,3 @@ public function listing($entity_type) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php
index a05cc585c49e1b8e44d4d6552e5ffd16b1a8df8c..36a539d7360ef4d6947e506cbcde70c6cc6de7f1 100644
--- a/core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php
@@ -68,4 +68,3 @@ public static function getSubscribedEvents() {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Executable/ExecutablePluginBase.php b/core/lib/Drupal/Core/Executable/ExecutablePluginBase.php
index 10729752ed130125f47bc6cf87f73c88966ddd1c..b6f559b258583f120b9b20693758f2c0980c8d1d 100644
--- a/core/lib/Drupal/Core/Executable/ExecutablePluginBase.php
+++ b/core/lib/Drupal/Core/Executable/ExecutablePluginBase.php
@@ -84,4 +84,3 @@ public function setConfig($key, $value) {
     return $this;
   }
 }
-
diff --git a/core/lib/Drupal/Core/Extension/InfoParserInterface.php b/core/lib/Drupal/Core/Extension/InfoParserInterface.php
index 195f1a33c174639ab75138e6bcd7ae2ecb59c34f..e5c99fe184e8f6acef1e1c6fce920b24a5f47f7e 100644
--- a/core/lib/Drupal/Core/Extension/InfoParserInterface.php
+++ b/core/lib/Drupal/Core/Extension/InfoParserInterface.php
@@ -60,4 +60,3 @@ interface InfoParserInterface  {
   public function parse($filename);
 
 }
-
diff --git a/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php b/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
index 14875c673e5d75f3cb9be413a5149b44af3b7c15..ce14f86ae030a018d680acf21f7c7027c8eb710d 100644
--- a/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
+++ b/core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php
@@ -82,4 +82,3 @@ public function addUninstallValidator(ModuleUninstallValidatorInterface $uninsta
   public function validateUninstall(array $module_list);
 
 }
-
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
index 93fb4655f5e16e5edb997bc40f0531b4758c6ac3..527d3eefc8e165680e050f438cbcf4d797423646 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php
@@ -120,4 +120,3 @@ public static function generateSampleValue(FieldDefinitionInterface $field_defin
     return $values;
   }
 }
-
diff --git a/core/lib/Drupal/Core/KeyValueStore/KeyValueExpirableFactory.php b/core/lib/Drupal/Core/KeyValueStore/KeyValueExpirableFactory.php
index b39c7053db74080a8c471ca49b9b3b3b988bd24d..360656ef0b73726a472e3bd88800542f3a0e792e 100644
--- a/core/lib/Drupal/Core/KeyValueStore/KeyValueExpirableFactory.php
+++ b/core/lib/Drupal/Core/KeyValueStore/KeyValueExpirableFactory.php
@@ -14,4 +14,3 @@ class KeyValueExpirableFactory extends KeyValueFactory implements KeyValueExpira
   const DEFAULT_SETTING = 'keyvalue_expirable_default';
 
 }
-
diff --git a/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
index 65674c0ffc23cd3cda1031b7706362f0334116f0..9f6d28cc4bbe6be1cd85a3a98c52bf23da71a351 100644
--- a/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
+++ b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php
@@ -75,4 +75,3 @@ public function get($collection) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/KeyValueStore/KeyValueFactoryInterface.php b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactoryInterface.php
index 81f383e308ae5fba2e9314513fb69ddc565b8b78..15e39fb99d09269e940debcfbd393b76c2fba309 100644
--- a/core/lib/Drupal/Core/KeyValueStore/KeyValueFactoryInterface.php
+++ b/core/lib/Drupal/Core/KeyValueStore/KeyValueFactoryInterface.php
@@ -19,4 +19,3 @@ interface KeyValueFactoryInterface {
   public function get($collection);
 
 }
-
diff --git a/core/lib/Drupal/Core/PageCache/ResponsePolicy/DenyNoCacheRoutes.php b/core/lib/Drupal/Core/PageCache/ResponsePolicy/DenyNoCacheRoutes.php
index d66b65ccef3f6b32ef7c6fbb82210b87e91006e5..debf3b0a85a0243ae86e7b50e2e56e5e0fc51eef 100644
--- a/core/lib/Drupal/Core/PageCache/ResponsePolicy/DenyNoCacheRoutes.php
+++ b/core/lib/Drupal/Core/PageCache/ResponsePolicy/DenyNoCacheRoutes.php
@@ -42,4 +42,3 @@ public function check(Response $response, Request $request) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/Queue/QueueFactory.php b/core/lib/Drupal/Core/Queue/QueueFactory.php
index b37699e96dbb0df698da6d5ceba5641401ef4051..7c155a46e9473d61ce387abd3a8c853580afd532 100644
--- a/core/lib/Drupal/Core/Queue/QueueFactory.php
+++ b/core/lib/Drupal/Core/Queue/QueueFactory.php
@@ -64,4 +64,3 @@ public function get($name, $reliable = FALSE) {
     return $this->queues[$name];
   }
 }
-
diff --git a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
index 4293ee50f7b28e61ba4a173595547db6a138ba70..80e16ebb6fcbe868e804bb44d03e8252a6b40d0c 100644
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
@@ -134,4 +134,3 @@ public function match($pathinfo) {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/SitePathFactory.php b/core/lib/Drupal/Core/SitePathFactory.php
index 06aff85e98d87cc83c7aca14f04b300103c268f9..7a01ff17a4a6fd8058ea6cb546c704597c9cecc5 100644
--- a/core/lib/Drupal/Core/SitePathFactory.php
+++ b/core/lib/Drupal/Core/SitePathFactory.php
@@ -35,4 +35,3 @@ public function get() {
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php b/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php
index 6f3ed62b0118a7fa34e247b5768ef0eaea33d993..28819dc3d8f7e60e529109b8a00c7b0baeae0a3c 100644
--- a/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php
+++ b/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php
@@ -49,4 +49,3 @@ public function handle(Request $request, $type = self::MASTER_REQUEST, $catch =
   }
 
 }
-
diff --git a/core/lib/Drupal/Core/TypedData/Plugin/DataType/DateTimeIso8601.php b/core/lib/Drupal/Core/TypedData/Plugin/DataType/DateTimeIso8601.php
index da99f8f77a761dfec2c45f0022d47d4234924c31..bf6d314bfd89dc3d6812fbc851c5f688dd796175 100644
--- a/core/lib/Drupal/Core/TypedData/Plugin/DataType/DateTimeIso8601.php
+++ b/core/lib/Drupal/Core/TypedData/Plugin/DataType/DateTimeIso8601.php
@@ -43,4 +43,3 @@ public function setDateTime(DrupalDateTime $dateTime, $notify = TRUE) {
     }
   }
 }
-
diff --git a/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestAccessBlock.php b/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestAccessBlock.php
index 787f6751df3968f10ac4a0e4b7fa2420011900bf..e558bcb90edb5c957163b314bf378d68c77d8111 100644
--- a/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestAccessBlock.php
+++ b/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestAccessBlock.php
@@ -76,4 +76,3 @@ public function getCacheMaxAge() {
   }
 
 }
-
diff --git a/core/modules/book/src/Form/BookSettingsForm.php b/core/modules/book/src/Form/BookSettingsForm.php
index 31b2a4dd50f47ba18568442be6e2286329fd28df..058d0cd06373621b8cca9d218c30c3abdbe2cf05 100644
--- a/core/modules/book/src/Form/BookSettingsForm.php
+++ b/core/modules/book/src/Form/BookSettingsForm.php
@@ -81,4 +81,3 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
   }
 
 }
-
diff --git a/core/modules/config/src/Form/ConfigImportForm.php b/core/modules/config/src/Form/ConfigImportForm.php
index 04958ef2bcacca1b3c5d3bf6bb23117d769fbafd..c0f606b4ec095afc43b67e79630ee42fa8d36063 100644
--- a/core/modules/config/src/Form/ConfigImportForm.php
+++ b/core/modules/config/src/Form/ConfigImportForm.php
@@ -100,4 +100,3 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
   }
 
 }
-
diff --git a/core/modules/config_translation/config_translation.module b/core/modules/config_translation/config_translation.module
index 542dd4fd4be602051561a033bcdb45b09232ba2b..9f0803d0e99c2719d4bf6afe5b214c67a4fa5386 100644
--- a/core/modules/config_translation/config_translation.module
+++ b/core/modules/config_translation/config_translation.module
@@ -196,4 +196,3 @@ function config_translation_config_schema_info_alter(&$definitions) {
     }
   }
 }
-
diff --git a/core/modules/field/tests/modules/field_third_party_test/field_third_party_test.module b/core/modules/field/tests/modules/field_third_party_test/field_third_party_test.module
index fa0e41812d415cc305f49eb03b1c54e5589d95ae..ac0ce1cbfc9583294d1ea877a9cf92c0169698c4 100644
--- a/core/modules/field/tests/modules/field_third_party_test/field_third_party_test.module
+++ b/core/modules/field/tests/modules/field_third_party_test/field_third_party_test.module
@@ -46,4 +46,3 @@ function field_third_party_test_field_formatter_settings_summary_alter(&$summary
   $summary[] = 'field_test_field_formatter_settings_summary_alter';
   return $summary;
 }
-
diff --git a/core/modules/field/tests/src/Kernel/FieldImportChangeTest.php b/core/modules/field/tests/src/Kernel/FieldImportChangeTest.php
index 90693c6247c4066dd150c767f057d527daabc0a9..7606076986f4f02c761fdd301ff0758783a94e85 100644
--- a/core/modules/field/tests/src/Kernel/FieldImportChangeTest.php
+++ b/core/modules/field/tests/src/Kernel/FieldImportChangeTest.php
@@ -49,4 +49,3 @@ function testImportChange() {
     $this->assertEqual($field->getLabel(), $new_label, 'field label updated');
   }
 }
-
diff --git a/core/modules/field/tests/src/Kernel/FieldImportCreateTest.php b/core/modules/field/tests/src/Kernel/FieldImportCreateTest.php
index 8e91a4a86279723a1c853a59f705e08bbec514dc..78a136e2aa0d2894406f8b906062fcfecf571cf2 100644
--- a/core/modules/field/tests/src/Kernel/FieldImportCreateTest.php
+++ b/core/modules/field/tests/src/Kernel/FieldImportCreateTest.php
@@ -116,4 +116,3 @@ function testImportCreate() {
     $this->assertTrue($field, 'Test import field 2b from sync exists');
   }
 }
-
diff --git a/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php b/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
index bae3e23bda99e21900abfca12afa2410edbcdeec..220aa46e3d94e98bf00f0128831170a6ee0969a3 100644
--- a/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
+++ b/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
@@ -109,4 +109,3 @@ public function testImportDelete() {
     $this->assertTrue(empty($deleted_storages), 'Fields are deleted');
   }
 }
-
diff --git a/core/modules/filter/src/Plugin/migrate/source/d6/FilterFormat.php b/core/modules/filter/src/Plugin/migrate/source/d6/FilterFormat.php
index 212ecbc02ffdac6a00d791b2192e146eaa8052be..0932773561d8975b044a1fb5022827e79a0e23f4 100644
--- a/core/modules/filter/src/Plugin/migrate/source/d6/FilterFormat.php
+++ b/core/modules/filter/src/Plugin/migrate/source/d6/FilterFormat.php
@@ -90,5 +90,3 @@ public function getIds() {
   }
 
 }
-
-
diff --git a/core/modules/hal/src/HalServiceProvider.php b/core/modules/hal/src/HalServiceProvider.php
index bf57a4d3a2ededf8dec07b72b97a74cba66f5f9b..d2b402862d810bb5a8a3a447dff2f6b3b8432efc 100644
--- a/core/modules/hal/src/HalServiceProvider.php
+++ b/core/modules/hal/src/HalServiceProvider.php
@@ -20,4 +20,3 @@ public function alter(ContainerBuilder $container) {
   }
 
 }
-
diff --git a/core/modules/image/src/Tests/ImageFieldWidgetTest.php b/core/modules/image/src/Tests/ImageFieldWidgetTest.php
index da17417a6e7154ef0904708b543addbea9b97b76..ea2332dd3599b2c98d8f7dc1e55ccc39bd1bef5d 100644
--- a/core/modules/image/src/Tests/ImageFieldWidgetTest.php
+++ b/core/modules/image/src/Tests/ImageFieldWidgetTest.php
@@ -29,4 +29,3 @@ public function testWidgetElement() {
   }
 
 }
-
diff --git a/core/modules/language/src/ContentLanguageSettingsInterface.php b/core/modules/language/src/ContentLanguageSettingsInterface.php
index c03d885ff0fb9121f9ef7f9a0c0ba06b1fbf2659..3bb3d5d2541f807a0618be13a90bd040922c2d9b 100644
--- a/core/modules/language/src/ContentLanguageSettingsInterface.php
+++ b/core/modules/language/src/ContentLanguageSettingsInterface.php
@@ -76,4 +76,3 @@ public function isLanguageAlterable();
   public function isDefaultConfiguration();
 
 }
-
diff --git a/core/modules/language/src/Form/NegotiationBrowserForm.php b/core/modules/language/src/Form/NegotiationBrowserForm.php
index 67b07e53bd10a59de7ab779c4029a2ef38dfd5df..1e38a9b7016379355782b9bcac01ba5d89c4be7c 100644
--- a/core/modules/language/src/Form/NegotiationBrowserForm.php
+++ b/core/modules/language/src/Form/NegotiationBrowserForm.php
@@ -212,4 +212,3 @@ protected function language_get_browser_drupal_langcode_mappings() {
     return $config->get('map');
   }
 }
-
diff --git a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkSeparateFormatter.php b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkSeparateFormatter.php
index 4f0e221c6504a90bff6dd1c9779dd210d60d0540..4849d32b87dbce2a09e69c96521304f71a39f62e 100644
--- a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkSeparateFormatter.php
+++ b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkSeparateFormatter.php
@@ -86,4 +86,3 @@ public function viewElements(FieldItemListInterface $items, $langcode) {
     return $element;
   }
 }
-
diff --git a/core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php b/core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php
index 01cf553c7a922fbf21f58effdc9a262032925869..3fe76a67b33b8453ee02d8b62cbd52b09181040c 100644
--- a/core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php
+++ b/core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php
@@ -75,4 +75,3 @@ public function validate($value, Constraint $constraint) {
     }
   }
 }
-
diff --git a/core/modules/locale/src/LocaleDefaultConfigStorage.php b/core/modules/locale/src/LocaleDefaultConfigStorage.php
index f899f551727d5a2012dc0db9ff996d75f1a654e0..29697a107653571713623a3d2530390a2ca6c314 100644
--- a/core/modules/locale/src/LocaleDefaultConfigStorage.php
+++ b/core/modules/locale/src/LocaleDefaultConfigStorage.php
@@ -157,4 +157,3 @@ protected function predefinedConfiguredLanguages() {
   }
 
 }
-
diff --git a/core/modules/node/src/Tests/Views/NodeRevisionWizardTest.php b/core/modules/node/src/Tests/Views/NodeRevisionWizardTest.php
index cc687bcc1c4d2d4158bfdcab56bbb2bf660a6fd5..109cdc4dd28f7750498665326d53025daee0338c 100644
--- a/core/modules/node/src/Tests/Views/NodeRevisionWizardTest.php
+++ b/core/modules/node/src/Tests/Views/NodeRevisionWizardTest.php
@@ -59,4 +59,3 @@ public function testViewAdd() {
   }
 
 }
-
diff --git a/core/modules/quickedit/tests/modules/quickedit_test.module b/core/modules/quickedit/tests/modules/quickedit_test.module
index 39c4f041c578528032d9c8d687adfc571c55b854..cd12fc9727ffd0ba4e87e6430358e33301a0d2fc 100644
--- a/core/modules/quickedit/tests/modules/quickedit_test.module
+++ b/core/modules/quickedit/tests/modules/quickedit_test.module
@@ -18,4 +18,3 @@ function quickedit_test_quickedit_render_field(EntityInterface $entity, $field_n
     '#suffix' => '</div>',
   );
 }
-
diff --git a/core/modules/rdf/tests/src/Kernel/Field/FieldRdfaDatatypeCallbackTest.php b/core/modules/rdf/tests/src/Kernel/Field/FieldRdfaDatatypeCallbackTest.php
index 460476550951cce7b57c86dbae99b751f15069a6..4ef7a57cbd86e416f40d137837ff2190462022b6 100644
--- a/core/modules/rdf/tests/src/Kernel/Field/FieldRdfaDatatypeCallbackTest.php
+++ b/core/modules/rdf/tests/src/Kernel/Field/FieldRdfaDatatypeCallbackTest.php
@@ -55,4 +55,3 @@ public function testDefaultFormatter() {
   }
 
 }
-
diff --git a/core/modules/search/search.api.php b/core/modules/search/search.api.php
index cd38d096b87211fa802aac7364a8b66200aacc0b..47744998e350fda32e59435c1c7d593aa311c0b7 100644
--- a/core/modules/search/search.api.php
+++ b/core/modules/search/search.api.php
@@ -82,4 +82,3 @@ function hook_search_plugin_alter(array &$definitions) {
 /**
  * @} End of "addtogroup hooks".
  */
-
diff --git a/core/modules/search/search.pages.inc b/core/modules/search/search.pages.inc
index 409ce2d6fe76559c8aa680081e65c29ff7d3336a..a161a9bfae2664085c25d8c20005a479c823e150 100644
--- a/core/modules/search/search.pages.inc
+++ b/core/modules/search/search.pages.inc
@@ -65,4 +65,3 @@ function template_preprocess_search_result(&$variables) {
     '#context' => array('info' => $info),
   );
 }
-
diff --git a/core/modules/serialization/tests/src/Unit/Normalizer/ConfigEntityNormalizerTest.php b/core/modules/serialization/tests/src/Unit/Normalizer/ConfigEntityNormalizerTest.php
index 5c4f97d094d39867e396c71c5136ff552f16aa05..ec9a4d07ce271cd7d1154b486cc5b8b0614fec7e 100644
--- a/core/modules/serialization/tests/src/Unit/Normalizer/ConfigEntityNormalizerTest.php
+++ b/core/modules/serialization/tests/src/Unit/Normalizer/ConfigEntityNormalizerTest.php
@@ -31,4 +31,3 @@ public function testNormalize() {
   }
 
 }
-
diff --git a/core/modules/simpletest/tests/fixtures/simpletest_phpunit_run_command_test.php b/core/modules/simpletest/tests/fixtures/simpletest_phpunit_run_command_test.php
index c86a9e619d4b4721b4428a440f7740e37f196f0e..73210c5c08d43bd4b9870b27cdb4f72d48379a48 100644
--- a/core/modules/simpletest/tests/fixtures/simpletest_phpunit_run_command_test.php
+++ b/core/modules/simpletest/tests/fixtures/simpletest_phpunit_run_command_test.php
@@ -20,4 +20,3 @@ public function testWillDie() {
     $this->assertTrue(TRUE, 'Assertion to ensure test pass');
   }
 }
-
diff --git a/core/modules/statistics/src/StatisticsSettingsForm.php b/core/modules/statistics/src/StatisticsSettingsForm.php
index 66e5a97b15af8e90cc89b4829e1bdc67bb65e791..5bd150c4e08646c484f02764b5494d5262beef39 100644
--- a/core/modules/statistics/src/StatisticsSettingsForm.php
+++ b/core/modules/statistics/src/StatisticsSettingsForm.php
@@ -97,4 +97,3 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     parent::submitForm($form, $form_state);
   }
 }
-
diff --git a/core/modules/statistics/statistics.php b/core/modules/statistics/statistics.php
index fe1b9fd725881fc6cc131eccd15268394488d767..a79af5f0f1c9d3df4582b1c09874aff32a156b93 100644
--- a/core/modules/statistics/statistics.php
+++ b/core/modules/statistics/statistics.php
@@ -35,4 +35,3 @@
       ->execute();
   }
 }
-
diff --git a/core/modules/system/src/Tests/Plugin/Discovery/DiscoveryTestBase.php b/core/modules/system/src/Tests/Plugin/Discovery/DiscoveryTestBase.php
index 95705d473a44bf166898fb7d4ce70c4763aae1d2..d3d44879b5629bc1c213fd9cd2afdda1dea24d45 100644
--- a/core/modules/system/src/Tests/Plugin/Discovery/DiscoveryTestBase.php
+++ b/core/modules/system/src/Tests/Plugin/Discovery/DiscoveryTestBase.php
@@ -82,4 +82,3 @@ protected function assertDefinitionIdentical(array $definition, array $expected_
   }
 
 }
-
diff --git a/core/modules/system/src/Tests/Plugin/Discovery/StaticDiscoveryTest.php b/core/modules/system/src/Tests/Plugin/Discovery/StaticDiscoveryTest.php
index 958899b7ea7b0bcc153de4953e1304143039592e..869ac18435c073a2134bf611ebff55df71e4d2e1 100644
--- a/core/modules/system/src/Tests/Plugin/Discovery/StaticDiscoveryTest.php
+++ b/core/modules/system/src/Tests/Plugin/Discovery/StaticDiscoveryTest.php
@@ -43,4 +43,3 @@ protected function setUp() {
     $this->emptyDiscovery = $discovery;
   }
 }
-
diff --git a/core/modules/system/src/Tests/Theme/TwigEnvironmentTest.php b/core/modules/system/src/Tests/Theme/TwigEnvironmentTest.php
index f90862135fc18e0e73d74dab7f02ee35781267e9..ef3c4697de4bea13a0c3fe6efbbb80da040c67dd 100644
--- a/core/modules/system/src/Tests/Theme/TwigEnvironmentTest.php
+++ b/core/modules/system/src/Tests/Theme/TwigEnvironmentTest.php
@@ -128,4 +128,3 @@ public function testCacheFilename() {
   }
 
 }
-
diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index 704b2dc7e908b239cb404fe4b4bc8cd43c087953..f9c49c765359e4cb5b99bf34235a95d95c3377cc 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -385,4 +385,3 @@ function template_preprocess_system_themes_page(&$variables) {
   }
   $variables['theme_groups'] = $groups;
 }
-
diff --git a/core/modules/system/tests/fixtures/update/drupal-8.block-content-uninstall.php b/core/modules/system/tests/fixtures/update/drupal-8.block-content-uninstall.php
index 71939bad697d07779a0078637830b962e773666f..7c2ca9470dda1bde3002303a331a18755cd32f32 100644
--- a/core/modules/system/tests/fixtures/update/drupal-8.block-content-uninstall.php
+++ b/core/modules/system/tests/fixtures/update/drupal-8.block-content-uninstall.php
@@ -147,4 +147,3 @@
 $connection->delete('router')
   ->condition('name', 'entity.block_content_type.%', 'LIKE')
   ->execute();
-
diff --git a/core/modules/system/tests/fixtures/update/drupal-8.broken_routing.php b/core/modules/system/tests/fixtures/update/drupal-8.broken_routing.php
index 7a83e870e3fdd82fa3450ecab27861881dedb6d4..604321ddc8dcdd55fd67e9df849169033a0d8ad9 100644
--- a/core/modules/system/tests/fixtures/update/drupal-8.broken_routing.php
+++ b/core/modules/system/tests/fixtures/update/drupal-8.broken_routing.php
@@ -20,4 +20,3 @@
 $connection->insert('key_value')
   ->fields(['collection' => 'system.schema', 'name' => 'update_script_test', 'value' => serialize(8000)])
   ->execute();
-
diff --git a/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-enabled.php b/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-enabled.php
index 375b50ddb4e72a0d66c9df08f6c11bd672bb2afb..a6243a138ca5f571800c5c00f3aa895671179237 100644
--- a/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-enabled.php
+++ b/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-enabled.php
@@ -37,4 +37,3 @@
   ->condition('collection', '')
   ->condition('name', 'core.extension')
   ->execute();
-
diff --git a/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-failing-enabled.php b/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-failing-enabled.php
index f19a1f10878cfba6cd8905a9ae6c287e6b7849ea..ab37f83af70662ebf28099087df60f2340d84518 100644
--- a/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-failing-enabled.php
+++ b/core/modules/system/tests/fixtures/update/drupal-8.update-test-postupdate-failing-enabled.php
@@ -36,4 +36,3 @@
   ->condition('collection', '')
   ->condition('name', 'core.extension')
   ->execute();
-
diff --git a/core/modules/system/tests/modules/database_test/database_test.module b/core/modules/system/tests/modules/database_test/database_test.module
index 460480a0d7212da46f769c12086e79af5d6bc31d..1eaa103fa59804c493cae64a2552e0d052bd9349 100644
--- a/core/modules/system/tests/modules/database_test/database_test.module
+++ b/core/modules/system/tests/modules/database_test/database_test.module
@@ -47,4 +47,3 @@ function database_test_query_alter(AlterableInterface $query) {
 function database_test_query_database_test_alter_remove_range_alter(AlterableInterface $query) {
   $query->range();
 }
-
diff --git a/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/fruit/FruitInterface.php b/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/fruit/FruitInterface.php
index 8b7c97079d5142318fa3ae601945fdfbb221c24e..62e0c38aebb82cf1df9afa9c8ccfe36f48922628 100644
--- a/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/fruit/FruitInterface.php
+++ b/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/fruit/FruitInterface.php
@@ -6,4 +6,3 @@
  * Provides an interface for test plugins.
  */
 interface FruitInterface { }
-
diff --git a/core/modules/system/tests/modules/system_test/src/Controller/PageCacheAcceptHeaderController.php b/core/modules/system/tests/modules/system_test/src/Controller/PageCacheAcceptHeaderController.php
index 9997fb09f2af635ffb38a93d01df88dfd442e127..a15e6815d5740fc2e71719579b459e5dd80b7846 100644
--- a/core/modules/system/tests/modules/system_test/src/Controller/PageCacheAcceptHeaderController.php
+++ b/core/modules/system/tests/modules/system_test/src/Controller/PageCacheAcceptHeaderController.php
@@ -28,4 +28,3 @@ public function content(Request $request) {
     }
   }
 }
-
diff --git a/core/modules/system/tests/modules/trusted_hosts_test/src/Controller/TrustedHostsTestController.php b/core/modules/system/tests/modules/trusted_hosts_test/src/Controller/TrustedHostsTestController.php
index b36b3f45abedfaeee33b38987ecbcacfe48f4dc6..68c8b64e52a0e94038604f249d600859a9029d9d 100644
--- a/core/modules/system/tests/modules/trusted_hosts_test/src/Controller/TrustedHostsTestController.php
+++ b/core/modules/system/tests/modules/trusted_hosts_test/src/Controller/TrustedHostsTestController.php
@@ -17,4 +17,3 @@ public function fakeRequestHost() {
   }
 
 }
-
diff --git a/core/modules/system/tests/modules/twig_extension_test/twig_extension_test.module b/core/modules/system/tests/modules/twig_extension_test/twig_extension_test.module
index 1c2729bee51fa1943bd915f4fa97e5b43d10a6d1..f55e619a7813da02380a2e637303ccdf9541d2f5 100644
--- a/core/modules/system/tests/modules/twig_extension_test/twig_extension_test.module
+++ b/core/modules/system/tests/modules/twig_extension_test/twig_extension_test.module
@@ -20,4 +20,3 @@ function twig_extension_test_theme($existing, $type, $theme, $path) {
     ),
   );
 }
-
diff --git a/core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme b/core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme
index 5819e2099198004f7e9bb922433d03b1e06c578d..04628c804e4c89198858deb293215c4a2a5f7f6d 100644
--- a/core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme
+++ b/core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme
@@ -10,4 +10,3 @@
  */
 function test_subsubtheme_preprocess_theme_test_template_test(&$variables) {
 }
-
diff --git a/core/modules/taxonomy/src/Tests/TokenReplaceTest.php b/core/modules/taxonomy/src/Tests/TokenReplaceTest.php
index 8202cdee65eb86ab069e4ca29b258fe8218e47bb..2a55a6d3aec0cc67c448d46d480f51c80b332a74 100644
--- a/core/modules/taxonomy/src/Tests/TokenReplaceTest.php
+++ b/core/modules/taxonomy/src/Tests/TokenReplaceTest.php
@@ -144,4 +144,3 @@ function testTaxonomyTokenReplacement() {
     }
   }
 }
-
diff --git a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
index 21df70c801e1c780c01d0c29e225b9fc4e14a0e2..1b6a4edd6ea6eedabbdb8d5ea4f55bb92483b3c9 100644
--- a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
+++ b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
@@ -65,4 +65,3 @@ public function testMigrateTrackerNode() {
   }
 
 }
-
diff --git a/core/modules/update/update.fetch.inc b/core/modules/update/update.fetch.inc
index 1b111e510b96922a9c92b7b2acb87ba39b063d3f..a710dd9f7a75724d1ed87ecb32d6e364455ce4fc 100644
--- a/core/modules/update/update.fetch.inc
+++ b/core/modules/update/update.fetch.inc
@@ -48,4 +48,3 @@ function _update_cron_notify() {
     }
   }
 }
-
diff --git a/core/modules/user/src/Form/UserPasswordResetForm.php b/core/modules/user/src/Form/UserPasswordResetForm.php
index 87f2683d33331ebe1783ac86a5820f9f2354e92e..432941a7054b8d2726f9bdfdc757e8fa06e92fe2 100644
--- a/core/modules/user/src/Form/UserPasswordResetForm.php
+++ b/core/modules/user/src/Form/UserPasswordResetForm.php
@@ -115,4 +115,3 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
   }
 
 }
-
diff --git a/core/modules/user/src/PermissionHandlerInterface.php b/core/modules/user/src/PermissionHandlerInterface.php
index 6e92a5843a03a10e141a36401286284f33991611..61526f339ae4139e8727ad84f7d84098ac9bd3f7 100644
--- a/core/modules/user/src/PermissionHandlerInterface.php
+++ b/core/modules/user/src/PermissionHandlerInterface.php
@@ -50,4 +50,3 @@ public function getPermissions();
   public function moduleProvidesPermissions($module_name);
 
 }
-
diff --git a/core/modules/user/src/Plugin/views/access/Role.php b/core/modules/user/src/Plugin/views/access/Role.php
index 8880235767a71ca1106fdd140543bb9cd9924640..2e5b6b4b0b0fd97a19dda24055a1ee6a66b687c9 100644
--- a/core/modules/user/src/Plugin/views/access/Role.php
+++ b/core/modules/user/src/Plugin/views/access/Role.php
@@ -163,4 +163,3 @@ public function getCacheTags() {
   }
 
 }
-
diff --git a/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php b/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
index 7f82cf7455bb3246ce1bb0ac4e590fe564d7f052..515c862a4f6f6bbd55255fa527c7c28eb8bddc3b 100644
--- a/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
+++ b/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
@@ -278,4 +278,3 @@ public function testDelete() {
   }
 
 }
-
diff --git a/core/modules/user/tests/src/Unit/SharedTempStoreTest.php b/core/modules/user/tests/src/Unit/SharedTempStoreTest.php
index 7845e18ac323e615e868d621705fa747d2673c63..15a4ec6c24a2a00909e8dd5d2364121f09c9e77c 100644
--- a/core/modules/user/tests/src/Unit/SharedTempStoreTest.php
+++ b/core/modules/user/tests/src/Unit/SharedTempStoreTest.php
@@ -350,4 +350,3 @@ public function testDeleteIfOwner() {
   }
 
 }
-
diff --git a/core/modules/views/src/Plugin/views/field/MultiItemsFieldHandlerInterface.php b/core/modules/views/src/Plugin/views/field/MultiItemsFieldHandlerInterface.php
index be515adb42415b76fc765a1e0841352c56e0ee1a..4949548867999c520dbfed363476abf1eead42b8 100644
--- a/core/modules/views/src/Plugin/views/field/MultiItemsFieldHandlerInterface.php
+++ b/core/modules/views/src/Plugin/views/field/MultiItemsFieldHandlerInterface.php
@@ -45,4 +45,3 @@ public function getItems(ResultRow $values);
   public function renderItems($items);
 
 }
-
diff --git a/core/modules/views/src/ViewsDataHelper.php b/core/modules/views/src/ViewsDataHelper.php
index 55a034c2e2f5dc89446f8e36bbf545eca9e60b94..791cd37f4aac4f3fb5f31b2ac9c65e15d77c3b9a 100644
--- a/core/modules/views/src/ViewsDataHelper.php
+++ b/core/modules/views/src/ViewsDataHelper.php
@@ -190,4 +190,3 @@ protected static function fetchedFieldSort($a, $b) {
   }
 
 }
-
diff --git a/core/modules/views/tests/src/Kernel/Handler/FilterBooleanOperatorTest.php b/core/modules/views/tests/src/Kernel/Handler/FilterBooleanOperatorTest.php
index 84f959b0779bd13080986d4e74867f70780d5ad5..7a88066e8819d6c6d39b46a75d7eb06d5f455bbc 100644
--- a/core/modules/views/tests/src/Kernel/Handler/FilterBooleanOperatorTest.php
+++ b/core/modules/views/tests/src/Kernel/Handler/FilterBooleanOperatorTest.php
@@ -215,4 +215,3 @@ protected function getGroupedExposedFilters() {
   }
 
 }
-
diff --git a/core/modules/views/tests/src/Kernel/Wizard/WizardPluginBaseKernelTest.php b/core/modules/views/tests/src/Kernel/Wizard/WizardPluginBaseKernelTest.php
index 9cd4ac4e90c685b498eb3f5fbf59a6bc55352f7a..8a1fc9608634c3f4a2abccc07720ff4674abbee7 100644
--- a/core/modules/views/tests/src/Kernel/Wizard/WizardPluginBaseKernelTest.php
+++ b/core/modules/views/tests/src/Kernel/Wizard/WizardPluginBaseKernelTest.php
@@ -71,4 +71,3 @@ public function testCreateView() {
     $this->assertEqual($view->get('langcode'), 'it');
   }
 }
-
diff --git a/core/modules/views/tests/src/Unit/Controller/ViewAjaxControllerTest.php b/core/modules/views/tests/src/Unit/Controller/ViewAjaxControllerTest.php
index d686c977420891395632138eeb490095e073e92e..332df31e229f9147204ecb7356ea503002409fbf 100644
--- a/core/modules/views/tests/src/Unit/Controller/ViewAjaxControllerTest.php
+++ b/core/modules/views/tests/src/Unit/Controller/ViewAjaxControllerTest.php
@@ -360,4 +360,3 @@ protected function assertViewResultCommand(ViewAjaxResponse $response, $position
 }
 
 }
-
diff --git a/core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php b/core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php
index 85a13bc85a066db76ef96b1d077b43ba7e7baa9c..e858a84f47d0b720159d2120bb7b00b5866eac30 100644
--- a/core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php
+++ b/core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php
@@ -352,4 +352,3 @@ public static function arrayKeyPlus($array) {
   }
 
 }
-
diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index c2237457af0fad93764cc48fc54cfa58e47d09ed..a529c223627c2c3880361d3783ec85c49874675b 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -18,6 +18,7 @@
   <rule ref="Drupal.Commenting.DocCommentStar"/>
   <rule ref="Drupal.Commenting.FileComment"/>
   <rule ref="Drupal.ControlStructures.ElseIf"/>
+  <rule ref="Drupal.Files.EndFileNewline"/>
   <rule ref="Drupal.Files.TxtFileLineLength"/>
   <rule ref="Drupal.Functions.DiscouragedFunctions"/>
   <rule ref="Drupal.Functions.FunctionDeclaration.SpaceAfter"/>
diff --git a/core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php b/core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php
index 3d6c0b9ca23d6209e564c24cf0b0ae1d167b2dbb..e3c2aeb087eb9af18605c4d05d4fbcf93fa57b64 100644
--- a/core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php
+++ b/core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php
@@ -112,4 +112,3 @@ public function providerTestModuleConfig() {
   }
 
 }
-
diff --git a/core/tests/Drupal/KernelTests/Core/Config/ConfigLanguageOverrideTest.php b/core/tests/Drupal/KernelTests/Core/Config/ConfigLanguageOverrideTest.php
index d863386a599b93a9afb4c552e20415c7bb26d195..8d0760acf6a78f3e5e1f1d7be1359f2e209c90d0 100644
--- a/core/tests/Drupal/KernelTests/Core/Config/ConfigLanguageOverrideTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Config/ConfigLanguageOverrideTest.php
@@ -117,4 +117,3 @@ function testConfigLanguageOverride() {
     $this->assertEqual($override->get('value'), NULL);
   }
 }
-
diff --git a/core/tests/Drupal/Tests/Component/Plugin/DefaultFactoryTest.php b/core/tests/Drupal/Tests/Component/Plugin/DefaultFactoryTest.php
index 0a28acf7dff97234fae7bfbfe1845c35c3816cca..1fc805bfe9c47c4333f9dc09314e4d578ad3072b 100644
--- a/core/tests/Drupal/Tests/Component/Plugin/DefaultFactoryTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/DefaultFactoryTest.php
@@ -154,4 +154,3 @@ public function testGetPluginClassWithInterfaceAndInvalidClassWithObjectPluginDe
   }
 
 }
-
diff --git a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
index fe2bfe217aff7bd5ddc89714e9b10d12052f93a5..193906bf497535c8df161d2253c217ae3b0b9768 100644
--- a/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/HtmlTest.php
@@ -320,4 +320,4 @@ public function testSerialize() {
     $result = Html::serialize($document);
     $this->assertSame('', $result);
   }
-}
\ No newline at end of file
+}
diff --git a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
index 055a907bbebf37befd4311ccf61c33632bcdd71e..0448e2869ad1eb21439e8849030935cefbc428b3 100644
--- a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
+++ b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
@@ -378,4 +378,3 @@ class ValidHandler implements HandlerInterface {
 }
 class InvalidHandler {
 }
-
diff --git a/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php b/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
index 7d8a5b2980197d79ca385c0039f75add10a1e4b0..36c2e6f75a227c9466bce00721d3d11718d62b45 100644
--- a/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
+++ b/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
@@ -144,4 +144,4 @@ function drupal_valid_test_ua($new_prefix = NULL) {
       return FALSE;
     }
   }
-}
\ No newline at end of file
+}
diff --git a/core/tests/Drupal/Tests/Core/EventSubscriber/CustomPageExceptionHtmlSubscriberTest.php b/core/tests/Drupal/Tests/Core/EventSubscriber/CustomPageExceptionHtmlSubscriberTest.php
index 125eeddf5d46bfe53afcbd00d31a12499c19a871..ece089d70752fce570fe1e2048e42359a80d35e1 100644
--- a/core/tests/Drupal/Tests/Core/EventSubscriber/CustomPageExceptionHtmlSubscriberTest.php
+++ b/core/tests/Drupal/Tests/Core/EventSubscriber/CustomPageExceptionHtmlSubscriberTest.php
@@ -162,4 +162,3 @@ public function testHandleWithGetRequest() {
   }
 
 }
-
diff --git a/core/tests/Drupal/Tests/Core/Logger/LoggerChannelTest.php b/core/tests/Drupal/Tests/Core/Logger/LoggerChannelTest.php
index 6eebd806d47bf63398925c091771a4c8c0201801..0aa86fc2d2a6ceb0447d909bede001b534076fea 100644
--- a/core/tests/Drupal/Tests/Core/Logger/LoggerChannelTest.php
+++ b/core/tests/Drupal/Tests/Core/Logger/LoggerChannelTest.php
@@ -161,4 +161,3 @@ public function log($level, $message, array $context = []) {
     $this->channel->log(rand(0, 7), $message, $context);
   }
 }
-
diff --git a/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php b/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
index c81309f62cebc26602f95bd091b78f536621aeb4..65fb4172c37378f588893b79459b1b3a552c3ad4 100644
--- a/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Menu/LocalTaskManagerTest.php
@@ -491,4 +491,3 @@ protected function setupNullCacheabilityMetadataValidation() {
   }
 
 }
-
diff --git a/core/tests/Drupal/Tests/Core/Path/PathValidatorTest.php b/core/tests/Drupal/Tests/Core/Path/PathValidatorTest.php
index 1395cb25abf1cbe52b343ea09d89eca4a71e5886..2bfb1c9ea9746abb06889d36ebfd7fac57483f62 100644
--- a/core/tests/Drupal/Tests/Core/Path/PathValidatorTest.php
+++ b/core/tests/Drupal/Tests/Core/Path/PathValidatorTest.php
@@ -444,4 +444,3 @@ public function testGetUrlIfValidWithoutAccessCheck() {
   }
 
 }
-
diff --git a/core/tests/bootstrap.php b/core/tests/bootstrap.php
index 12c4debcbb01383582eb17f91e35a658442cb18d..ad02e5f3ecbfc2bb4adf187947c7ba2575bda5f2 100644
--- a/core/tests/bootstrap.php
+++ b/core/tests/bootstrap.php
@@ -142,4 +142,3 @@ function drupal_phpunit_populate_class_loader() {
 // make PHP 5 and 7 handle assertion failures the same way, but this call does
 // not turn runtime assertions on if they weren't on already.
 \Drupal\Component\Assertion\Handle::register();
-