diff --git a/core/includes/file.inc b/core/includes/file.inc
index 5d7837208188..77a743eab044 100644
--- a/core/includes/file.inc
+++ b/core/includes/file.inc
@@ -99,7 +99,6 @@ function file_stream_wrapper_valid_scheme($scheme) {
   return \Drupal::service('file_system')->validScheme($scheme);
 }
 
-
 /**
  * Returns the part of a URI after the schema.
  *
@@ -926,7 +925,6 @@ function file_unmanaged_delete_recursive($path, $callback = NULL) {
   return file_unmanaged_delete($path);
 }
 
-
 /**
  * Moves an uploaded file to a new location.
  *
diff --git a/core/includes/install.inc b/core/includes/install.inc
index 0296e9663056..6e6db7aa4eea 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -380,7 +380,6 @@ function _drupal_rewrite_settings_is_simple($type, $value) {
   return $is_integer || $is_float || $is_string || $is_boolean_or_null;
 }
 
-
 /**
  * Helper for drupal_rewrite_settings().
  *
@@ -451,7 +450,6 @@ function _drupal_rewrite_settings_dump($variable, $variable_name) {
   return $return;
 }
 
-
 /**
  * Helper for drupal_rewrite_settings().
  *
diff --git a/core/includes/unicode.inc b/core/includes/unicode.inc
index 6a157dc98cc4..e9cc76cd17a9 100644
--- a/core/includes/unicode.inc
+++ b/core/includes/unicode.inc
@@ -10,6 +10,7 @@ use Drupal\Component\Utility\Unicode;
 /**
  * Returns Unicode library status and errors.
  */
+
 /**
  * Moves unicode_requirements() logic to system_requirements().
  *
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index e0b08670b78e..0b37ca2a8ee8 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -141,7 +141,6 @@ class Drupal {
     return static::$container !== NULL;
   }
 
-
   /**
    * Retrieves a service from the container.
    *
diff --git a/core/lib/Drupal/Component/Assertion/Inspector.php b/core/lib/Drupal/Component/Assertion/Inspector.php
index dbf3f511c18e..681f19264828 100644
--- a/core/lib/Drupal/Component/Assertion/Inspector.php
+++ b/core/lib/Drupal/Component/Assertion/Inspector.php
@@ -333,7 +333,6 @@ class Inspector {
     return FALSE;
   }
 
-
   /**
    * Asserts that all members are strings matching a regular expression.
    *
diff --git a/core/lib/Drupal/Component/Datetime/DateTimePlus.php b/core/lib/Drupal/Component/Datetime/DateTimePlus.php
index e4148a6de885..cb23cba57867 100644
--- a/core/lib/Drupal/Component/Datetime/DateTimePlus.php
+++ b/core/lib/Drupal/Component/Datetime/DateTimePlus.php
@@ -477,7 +477,6 @@ class DateTimePlus {
     return $format;
   }
 
-
   /**
    * Examines getLastErrors() to see what errors to report.
    *
diff --git a/core/lib/Drupal/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumper.php b/core/lib/Drupal/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumper.php
index dfd2a431ccb6..b4c1da83bf6e 100644
--- a/core/lib/Drupal/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumper.php
+++ b/core/lib/Drupal/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumper.php
@@ -282,7 +282,6 @@ class OptimizedPhpArrayDumper extends Dumper {
     return $code;
   }
 
-
   /**
    * Dumps a collection to a PHP array.
    *
diff --git a/core/lib/Drupal/Component/Utility/Random.php b/core/lib/Drupal/Component/Utility/Random.php
index cf3483509d73..d1f25ff36c62 100644
--- a/core/lib/Drupal/Component/Utility/Random.php
+++ b/core/lib/Drupal/Component/Utility/Random.php
@@ -259,7 +259,6 @@ class Random {
     return $output;
   }
 
-
   /**
    * Create a placeholder image.
    *
diff --git a/core/lib/Drupal/Component/Uuid/Com.php b/core/lib/Drupal/Component/Uuid/Com.php
index f9305f5014c1..c18b39a60c4d 100644
--- a/core/lib/Drupal/Component/Uuid/Com.php
+++ b/core/lib/Drupal/Component/Uuid/Com.php
@@ -8,6 +8,7 @@ namespace Drupal\Component\Uuid;
  * @see http://php.net/com_create_guid
  */
 class Com implements UuidInterface {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Access/AccessResultForbidden.php b/core/lib/Drupal/Core/Access/AccessResultForbidden.php
index 3edae61af34c..dbdbafea3304 100644
--- a/core/lib/Drupal/Core/Access/AccessResultForbidden.php
+++ b/core/lib/Drupal/Core/Access/AccessResultForbidden.php
@@ -24,7 +24,6 @@ class AccessResultForbidden extends AccessResult implements AccessResultReasonIn
     $this->reason = $reason;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Access/CheckProvider.php b/core/lib/Drupal/Core/Access/CheckProvider.php
index d6ba1cf6dd3c..51423bdab4ed 100644
--- a/core/lib/Drupal/Core/Access/CheckProvider.php
+++ b/core/lib/Drupal/Core/Access/CheckProvider.php
@@ -142,6 +142,7 @@ class CheckProvider implements CheckProviderInterface, ContainerAwareInterface {
 
     return $checks;
   }
+
   /**
    * Compiles a mapping of requirement keys to access checker service IDs.
    */
diff --git a/core/lib/Drupal/Core/Access/CheckProviderInterface.php b/core/lib/Drupal/Core/Access/CheckProviderInterface.php
index a94a92c97842..35e3c18b822a 100644
--- a/core/lib/Drupal/Core/Access/CheckProviderInterface.php
+++ b/core/lib/Drupal/Core/Access/CheckProviderInterface.php
@@ -15,7 +15,6 @@ use Symfony\Component\Routing\RouteCollection;
  */
 interface CheckProviderInterface {
 
-
   /**
    * For each route, saves a list of applicable access checks to the route.
    *
diff --git a/core/lib/Drupal/Core/Ajax/OpenModalDialogCommand.php b/core/lib/Drupal/Core/Ajax/OpenModalDialogCommand.php
index 53d6e823eab8..a55b0eaf602c 100644
--- a/core/lib/Drupal/Core/Ajax/OpenModalDialogCommand.php
+++ b/core/lib/Drupal/Core/Ajax/OpenModalDialogCommand.php
@@ -8,6 +8,7 @@ namespace Drupal\Core\Ajax;
  * @ingroup ajax
  */
 class OpenModalDialogCommand extends OpenDialogCommand {
+
   /**
    * Constructs an OpenModalDialog object.
    *
diff --git a/core/lib/Drupal/Core/Config/DatabaseStorage.php b/core/lib/Drupal/Core/Config/DatabaseStorage.php
index 0ac6134c3400..2560a461e76d 100644
--- a/core/lib/Drupal/Core/Config/DatabaseStorage.php
+++ b/core/lib/Drupal/Core/Config/DatabaseStorage.php
@@ -228,7 +228,6 @@ class DatabaseStorage implements StorageInterface {
       ->execute();
   }
 
-
   /**
    * Implements Drupal\Core\Config\StorageInterface::rename().
    *
diff --git a/core/lib/Drupal/Core/Config/Entity/ThirdPartySettingsInterface.php b/core/lib/Drupal/Core/Config/Entity/ThirdPartySettingsInterface.php
index 7b2ee060f658..990a5b4fe16b 100644
--- a/core/lib/Drupal/Core/Config/Entity/ThirdPartySettingsInterface.php
+++ b/core/lib/Drupal/Core/Config/Entity/ThirdPartySettingsInterface.php
@@ -41,7 +41,6 @@ interface ThirdPartySettingsInterface {
    */
   public function getThirdPartySetting($module, $key, $default = NULL);
 
-
   /**
    * Gets all third-party settings of a given module.
    *
diff --git a/core/lib/Drupal/Core/Controller/ControllerResolver.php b/core/lib/Drupal/Core/Controller/ControllerResolver.php
index 3bae3c53b652..35d433a2abdb 100644
--- a/core/lib/Drupal/Core/Controller/ControllerResolver.php
+++ b/core/lib/Drupal/Core/Controller/ControllerResolver.php
@@ -80,7 +80,6 @@ class ControllerResolver extends BaseControllerResolver implements ControllerRes
     return $callable;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php b/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
index a7c1496c7a8f..bbf86681fb51 100644
--- a/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
+++ b/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
@@ -165,7 +165,6 @@ class Connection extends DatabaseConnection {
     return $pdo;
   }
 
-
   /**
    * Destructor for the SQLite connection.
    *
diff --git a/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php b/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
index 6d7caab24bcb..5eaa5157d860 100644
--- a/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
+++ b/core/lib/Drupal/Core/Database/Driver/sqlite/Select.php
@@ -8,6 +8,7 @@ use Drupal\Core\Database\Query\Select as QuerySelect;
  * SQLite implementation of \Drupal\Core\Database\Query\Select.
  */
 class Select extends QuerySelect {
+
   public function forUpdate($set = TRUE) {
     // SQLite does not support FOR UPDATE so nothing to do.
     return $this;
diff --git a/core/lib/Drupal/Core/Database/Driver/sqlite/Truncate.php b/core/lib/Drupal/Core/Database/Driver/sqlite/Truncate.php
index c58ff7d38c08..386912f87801 100644
--- a/core/lib/Drupal/Core/Database/Driver/sqlite/Truncate.php
+++ b/core/lib/Drupal/Core/Database/Driver/sqlite/Truncate.php
@@ -11,6 +11,7 @@ use Drupal\Core\Database\Query\Truncate as QueryTruncate;
  * exactly the effect (it is implemented by DROPing the table).
  */
 class Truncate extends QueryTruncate {
+
   public function __toString() {
     // Create a sanitized comment string to prepend to the query.
     $comments = $this->connection->makeComment($this->comments);
diff --git a/core/lib/Drupal/Core/Datetime/DateHelper.php b/core/lib/Drupal/Core/Datetime/DateHelper.php
index b3a8ce75d603..168ef62740a7 100644
--- a/core/lib/Drupal/Core/Datetime/DateHelper.php
+++ b/core/lib/Drupal/Core/Datetime/DateHelper.php
@@ -334,7 +334,6 @@ class DateHelper {
     return !$required ? $none + $range : $range;
   }
 
-
   /**
    * Constructs an array of hours.
    *
diff --git a/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php b/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
index 850d404baa75..f383fbc98640 100644
--- a/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
+++ b/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
@@ -68,7 +68,6 @@ class EntityRouteEnhancer implements EnhancerInterface {
     return $defaults;
   }
 
-
   /**
    * Update defaults for an entity list.
    *
diff --git a/core/lib/Drupal/Core/Entity/EntityType.php b/core/lib/Drupal/Core/Entity/EntityType.php
index 2ef984d6623d..e28fdb0da439 100644
--- a/core/lib/Drupal/Core/Entity/EntityType.php
+++ b/core/lib/Drupal/Core/Entity/EntityType.php
@@ -836,7 +836,6 @@ class EntityType extends PluginDefinition implements EntityTypeInterface {
     return $this->group;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Entity/Query/Sql/Query.php b/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
index 50b81bba91d3..7e5db5b9a05c 100644
--- a/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
@@ -64,7 +64,6 @@ class Query extends QueryBase implements QueryInterface {
     $this->connection = $connection;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php b/core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php
index c791bb555298..f865cf76ef81 100644
--- a/core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/QueryAggregate.php
@@ -65,7 +65,6 @@ class QueryAggregate extends Query implements QueryAggregateInterface {
     return $this->conditionAggregate->notExists($field, $function, $langcode);
   }
 
-
   /**
    * Adds the aggregations to the query.
    *
@@ -126,7 +125,6 @@ class QueryAggregate extends Query implements QueryAggregateInterface {
     return $this;
   }
 
-
   /**
    * Overrides \Drupal\Core\Entity\Query\Sql\Query::finish().
    *
diff --git a/core/lib/Drupal/Core/EventSubscriber/ActiveLinkResponseFilter.php b/core/lib/Drupal/Core/EventSubscriber/ActiveLinkResponseFilter.php
index d87fdf1375c3..b32cf84e22a4 100644
--- a/core/lib/Drupal/Core/EventSubscriber/ActiveLinkResponseFilter.php
+++ b/core/lib/Drupal/Core/EventSubscriber/ActiveLinkResponseFilter.php
@@ -97,7 +97,6 @@ class ActiveLinkResponseFilter implements EventSubscriberInterface {
     ));
   }
 
-
   /**
    * Sets the "is-active" class on relevant links.
    *
diff --git a/core/lib/Drupal/Core/EventSubscriber/EnforcedFormResponseSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/EnforcedFormResponseSubscriber.php
index 351642617d33..3d7821503f61 100644
--- a/core/lib/Drupal/Core/EventSubscriber/EnforcedFormResponseSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/EnforcedFormResponseSubscriber.php
@@ -34,7 +34,6 @@ class EnforcedFormResponseSubscriber implements EventSubscriberInterface {
     }
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php
index 5b838d49e70f..99c7b021f567 100644
--- a/core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php
@@ -43,7 +43,6 @@ class Fast404ExceptionHtmlSubscriber extends HttpExceptionSubscriberBase {
     $this->httpKernel = $http_kernel;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Extension/ModuleHandler.php b/core/lib/Drupal/Core/Extension/ModuleHandler.php
index 2a2113ff13df..a3555cd98dc6 100644
--- a/core/lib/Drupal/Core/Extension/ModuleHandler.php
+++ b/core/lib/Drupal/Core/Extension/ModuleHandler.php
@@ -429,7 +429,6 @@ class ModuleHandler implements ModuleHandlerInterface {
     return $result;
   }
 
-
   /**
    * Triggers an E_USER_DEPRECATED error if any module implements the hook.
    *
diff --git a/core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php b/core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php
index a82be6a1d2bd..00433f0b9664 100644
--- a/core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php
+++ b/core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php
@@ -92,7 +92,6 @@ interface ThemeHandlerInterface {
    */
   public function listInfo();
 
-
   /**
    * Adds a theme extension to the internal listing.
    *
diff --git a/core/lib/Drupal/Core/Field/FieldConfigBase.php b/core/lib/Drupal/Core/Field/FieldConfigBase.php
index a32ff423beac..9bb5228441b0 100644
--- a/core/lib/Drupal/Core/Field/FieldConfigBase.php
+++ b/core/lib/Drupal/Core/Field/FieldConfigBase.php
@@ -263,7 +263,6 @@ abstract class FieldConfigBase extends ConfigEntityBase implements FieldConfigIn
     return $changed;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
index 00fe4098c764..22da3be42026 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
@@ -105,7 +105,6 @@ class DecimalItem extends NumericItemBase {
     return $constraints;
   }
 
-
   /**
    * {@inheritdoc}
    */
@@ -154,7 +153,6 @@ class DecimalItem extends NumericItemBase {
     return $values;
   }
 
-
   /**
    * Helper method to get the number of decimal digits out of a decimal number.
    *
diff --git a/core/lib/Drupal/Core/Field/WidgetPluginManager.php b/core/lib/Drupal/Core/Field/WidgetPluginManager.php
index c7c2d796da74..80e9718769c6 100644
--- a/core/lib/Drupal/Core/Field/WidgetPluginManager.php
+++ b/core/lib/Drupal/Core/Field/WidgetPluginManager.php
@@ -125,7 +125,6 @@ class WidgetPluginManager extends DefaultPluginManager {
     return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['third_party_settings']);
   }
 
-
   /**
    * Merges default values for widget configuration.
    *
diff --git a/core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php b/core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php
index a91069328a8e..ce0e283c8efc 100644
--- a/core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php
+++ b/core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php
@@ -46,7 +46,6 @@ abstract class ImageToolkitBase extends PluginBase implements ImageToolkitInterf
    */
   protected $logger;
 
-
   /**
    * Constructs an ImageToolkitBase object.
    *
diff --git a/core/lib/Drupal/Core/Menu/InaccessibleMenuLink.php b/core/lib/Drupal/Core/Menu/InaccessibleMenuLink.php
index 39090e23d9fb..1f163023596f 100644
--- a/core/lib/Drupal/Core/Menu/InaccessibleMenuLink.php
+++ b/core/lib/Drupal/Core/Menu/InaccessibleMenuLink.php
@@ -69,7 +69,6 @@ class InaccessibleMenuLink extends MenuLinkBase {
     return $this->wrappedLink->getCacheMaxAge();
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Menu/MenuLinkManager.php b/core/lib/Drupal/Core/Menu/MenuLinkManager.php
index d6a60943489c..af2e4a594d5d 100644
--- a/core/lib/Drupal/Core/Menu/MenuLinkManager.php
+++ b/core/lib/Drupal/Core/Menu/MenuLinkManager.php
@@ -93,7 +93,6 @@ class MenuLinkManager implements MenuLinkManagerInterface {
    */
   protected $moduleHandler;
 
-
   /**
    * Constructs a \Drupal\Core\Menu\MenuLinkManager object.
    *
diff --git a/core/lib/Drupal/Core/PathProcessor/PathProcessorManager.php b/core/lib/Drupal/Core/PathProcessor/PathProcessorManager.php
index 2a3181ee2edb..55a952213adb 100644
--- a/core/lib/Drupal/Core/PathProcessor/PathProcessorManager.php
+++ b/core/lib/Drupal/Core/PathProcessor/PathProcessorManager.php
@@ -86,7 +86,6 @@ class PathProcessorManager implements InboundPathProcessorInterface, OutboundPat
     return $this->sortedInbound;
   }
 
-
   /**
    * Adds an outbound processor object to the $outboundProcessors property.
    *
diff --git a/core/lib/Drupal/Core/Plugin/Context/Context.php b/core/lib/Drupal/Core/Plugin/Context/Context.php
index 49571206c408..a33eca2a454e 100644
--- a/core/lib/Drupal/Core/Plugin/Context/Context.php
+++ b/core/lib/Drupal/Core/Plugin/Context/Context.php
@@ -123,7 +123,6 @@ class Context extends ComponentContext implements ContextInterface {
     return $this->contextData;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/lib/Drupal/Core/Queue/QueueFactory.php b/core/lib/Drupal/Core/Queue/QueueFactory.php
index 6df7c5e6026a..cfb072538adf 100644
--- a/core/lib/Drupal/Core/Queue/QueueFactory.php
+++ b/core/lib/Drupal/Core/Queue/QueueFactory.php
@@ -27,7 +27,6 @@ class QueueFactory implements ContainerAwareInterface {
    */
   protected $settings;
 
-
   /**
    * Constructs a queue factory.
    */
diff --git a/core/lib/Drupal/Core/Routing/AccessAwareRouterInterface.php b/core/lib/Drupal/Core/Routing/AccessAwareRouterInterface.php
index 31ce1c4f499e..7b0c1c1fd320 100644
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouterInterface.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouterInterface.php
@@ -24,7 +24,6 @@ interface AccessAwareRouterInterface extends RouterInterface, RequestMatcherInte
    */
   public function matchRequest(Request $request);
 
-
   /**
    * {@inheritdoc}
    *
diff --git a/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php b/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
index fa12ab488586..29277393ff14 100644
--- a/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
+++ b/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
@@ -69,7 +69,6 @@ abstract class LocalReadOnlyStream extends LocalStream {
     return TRUE;
   }
 
-
   /**
    * Support for fwrite(), file_put_contents() etc.
    *
diff --git a/core/lib/Drupal/Core/Theme/ThemeAccessCheck.php b/core/lib/Drupal/Core/Theme/ThemeAccessCheck.php
index ed596e8b92d6..f073f46f7cd5 100644
--- a/core/lib/Drupal/Core/Theme/ThemeAccessCheck.php
+++ b/core/lib/Drupal/Core/Theme/ThemeAccessCheck.php
@@ -27,6 +27,7 @@ class ThemeAccessCheck implements AccessInterface {
   public function __construct(ThemeHandlerInterface $theme_handler) {
     $this->themeHandler = $theme_handler;
   }
+
   /**
    * Checks access to the theme for routing.
    *
diff --git a/core/lib/Drupal/Core/Validation/ConstraintManager.php b/core/lib/Drupal/Core/Validation/ConstraintManager.php
index a2bd604c0a15..79da1d6e8a2f 100644
--- a/core/lib/Drupal/Core/Validation/ConstraintManager.php
+++ b/core/lib/Drupal/Core/Validation/ConstraintManager.php
@@ -56,7 +56,6 @@ class ConstraintManager extends DefaultPluginManager {
     return $this->discovery;
   }
 
-
   /**
    * Creates a validation constraint.
    *
diff --git a/core/modules/aggregator/src/Entity/Item.php b/core/modules/aggregator/src/Entity/Item.php
index b637171da12f..205252542fdc 100644
--- a/core/modules/aggregator/src/Entity/Item.php
+++ b/core/modules/aggregator/src/Entity/Item.php
@@ -239,7 +239,6 @@ class Item extends ContentEntityBase implements ItemInterface {
     return Feed::load($this->getFeedId())->getCacheTags();
   }
 
-
   /**
    * Entity URI callback.
    */
diff --git a/core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php b/core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php
index f4c8e2a57d18..18390c73ff7f 100644
--- a/core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php
+++ b/core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php
@@ -57,7 +57,6 @@ class AggregatorFeedBlock extends BlockBase implements ContainerFactoryPluginInt
     $this->itemStorage = $item_storage;
   }
 
-
   /**
    * {@inheritdoc}
    */
@@ -71,7 +70,6 @@ class AggregatorFeedBlock extends BlockBase implements ContainerFactoryPluginInt
     );
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorTitleFormatter.php b/core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorTitleFormatter.php
index 25e33e9774fc..de8f703508dc 100644
--- a/core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorTitleFormatter.php
+++ b/core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorTitleFormatter.php
@@ -21,6 +21,7 @@ use Drupal\Core\Url;
  * )
  */
 class AggregatorTitleFormatter extends FormatterBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/aggregator/tests/src/Functional/DeleteFeedItemTest.php b/core/modules/aggregator/tests/src/Functional/DeleteFeedItemTest.php
index a8527f6b1c62..0708a9ea5a31 100644
--- a/core/modules/aggregator/tests/src/Functional/DeleteFeedItemTest.php
+++ b/core/modules/aggregator/tests/src/Functional/DeleteFeedItemTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\aggregator\Functional;
  * @group aggregator
  */
 class DeleteFeedItemTest extends AggregatorTestBase {
+
   /**
    * Tests running "delete items" from 'admin/config/services/aggregator' page.
    */
diff --git a/core/modules/aggregator/tests/src/Functional/UpdateFeedItemTest.php b/core/modules/aggregator/tests/src/Functional/UpdateFeedItemTest.php
index 0f76eee70f87..a7ec0edd5a33 100644
--- a/core/modules/aggregator/tests/src/Functional/UpdateFeedItemTest.php
+++ b/core/modules/aggregator/tests/src/Functional/UpdateFeedItemTest.php
@@ -10,6 +10,7 @@ use Drupal\aggregator\Entity\Feed;
  * @group aggregator
  */
 class UpdateFeedItemTest extends AggregatorTestBase {
+
   /**
    * Tests running "update items" from 'admin/config/services/aggregator' page.
    */
diff --git a/core/modules/aggregator/tests/src/Functional/UpdateFeedTest.php b/core/modules/aggregator/tests/src/Functional/UpdateFeedTest.php
index a81e0aefd1f9..0c76f978a981 100644
--- a/core/modules/aggregator/tests/src/Functional/UpdateFeedTest.php
+++ b/core/modules/aggregator/tests/src/Functional/UpdateFeedTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\aggregator\Functional;
  * @group aggregator
  */
 class UpdateFeedTest extends AggregatorTestBase {
+
   /**
    * Creates a feed and attempts to update it.
    */
diff --git a/core/modules/block/src/BlockAccessControlHandler.php b/core/modules/block/src/BlockAccessControlHandler.php
index 35af61ed5429..265225116e48 100644
--- a/core/modules/block/src/BlockAccessControlHandler.php
+++ b/core/modules/block/src/BlockAccessControlHandler.php
@@ -67,7 +67,6 @@ class BlockAccessControlHandler extends EntityAccessControlHandler implements En
     $this->contextRepository = $context_repository;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/block_content/tests/src/Functional/Views/BlockContentFieldFilterTest.php b/core/modules/block_content/tests/src/Functional/Views/BlockContentFieldFilterTest.php
index a016ab9141b7..a77c2e1b297c 100644
--- a/core/modules/block_content/tests/src/Functional/Views/BlockContentFieldFilterTest.php
+++ b/core/modules/block_content/tests/src/Functional/Views/BlockContentFieldFilterTest.php
@@ -31,7 +31,6 @@ class BlockContentFieldFilterTest extends BlockContentTestBase {
    */
   public $blockContentInfos = [];
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/book/src/BookOutlineStorageInterface.php b/core/modules/book/src/BookOutlineStorageInterface.php
index c09c52afe6fa..820bc1b2a7c6 100644
--- a/core/modules/book/src/BookOutlineStorageInterface.php
+++ b/core/modules/book/src/BookOutlineStorageInterface.php
@@ -110,7 +110,6 @@ interface BookOutlineStorageInterface {
    */
   public function insert($link, $parents);
 
-
   /**
    * Updates book reference for links that were moved between books.
    *
diff --git a/core/modules/comment/src/Tests/CommentPagerTest.php b/core/modules/comment/src/Tests/CommentPagerTest.php
index 726a8e9ca67d..5bbf49c2b473 100644
--- a/core/modules/comment/src/Tests/CommentPagerTest.php
+++ b/core/modules/comment/src/Tests/CommentPagerTest.php
@@ -12,6 +12,7 @@ use Drupal\node\Entity\Node;
  * @group comment
  */
 class CommentPagerTest extends CommentTestBase {
+
   /**
    * Confirms comment paging works correctly with flat and threaded comments.
    */
diff --git a/core/modules/comment/tests/src/Functional/CommentThreadingTest.php b/core/modules/comment/tests/src/Functional/CommentThreadingTest.php
index 9fe7aea09bae..e70629e51bb7 100644
--- a/core/modules/comment/tests/src/Functional/CommentThreadingTest.php
+++ b/core/modules/comment/tests/src/Functional/CommentThreadingTest.php
@@ -10,6 +10,7 @@ use Drupal\comment\CommentManagerInterface;
  * @group comment
  */
 class CommentThreadingTest extends CommentTestBase {
+
   /**
    * Tests the comment threading.
    */
diff --git a/core/modules/comment/tests/src/Functional/CommentTitleTest.php b/core/modules/comment/tests/src/Functional/CommentTitleTest.php
index 65c4937e39ea..9cd7946895bf 100644
--- a/core/modules/comment/tests/src/Functional/CommentTitleTest.php
+++ b/core/modules/comment/tests/src/Functional/CommentTitleTest.php
@@ -9,6 +9,7 @@ namespace Drupal\Tests\comment\Functional;
  * @group comment
  */
 class CommentTitleTest extends CommentTestBase {
+
   /**
    * Tests markup for comments with empty titles.
    */
diff --git a/core/modules/comment/tests/src/Functional/CommentUninstallTest.php b/core/modules/comment/tests/src/Functional/CommentUninstallTest.php
index 6e0c8a2b30f8..96d7eeae8daf 100644
--- a/core/modules/comment/tests/src/Functional/CommentUninstallTest.php
+++ b/core/modules/comment/tests/src/Functional/CommentUninstallTest.php
@@ -52,7 +52,6 @@ class CommentUninstallTest extends BrowserTestBase {
     }
   }
 
-
   /**
    * Tests if uninstallation succeeds if the field has been deleted beforehand.
    */
diff --git a/core/modules/comment/tests/src/Functional/Views/CommentRestExportTest.php b/core/modules/comment/tests/src/Functional/Views/CommentRestExportTest.php
index 17e04b5c5cf7..c6e39f83169e 100644
--- a/core/modules/comment/tests/src/Functional/Views/CommentRestExportTest.php
+++ b/core/modules/comment/tests/src/Functional/Views/CommentRestExportTest.php
@@ -46,7 +46,6 @@ class CommentRestExportTest extends CommentTestBase {
     $this->drupalLogin($user);
   }
 
-
   /**
    * Test comment row.
    */
diff --git a/core/modules/comment/tests/src/Functional/Views/WizardTest.php b/core/modules/comment/tests/src/Functional/Views/WizardTest.php
index 62fada9fd041..9c02fccdac85 100644
--- a/core/modules/comment/tests/src/Functional/Views/WizardTest.php
+++ b/core/modules/comment/tests/src/Functional/Views/WizardTest.php
@@ -23,7 +23,6 @@ class WizardTest extends WizardTestBase {
    */
   public static $modules = ['node', 'comment'];
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/comment/tests/src/Unit/CommentLinkBuilderTest.php b/core/modules/comment/tests/src/Unit/CommentLinkBuilderTest.php
index 8aaae7560981..662f5f332e25 100644
--- a/core/modules/comment/tests/src/Unit/CommentLinkBuilderTest.php
+++ b/core/modules/comment/tests/src/Unit/CommentLinkBuilderTest.php
@@ -324,7 +324,9 @@ class CommentLinkBuilderTest extends UnitTestCase {
 namespace Drupal\comment;
 
 if (!function_exists('history_read')) {
+
   function history_read() {
     return 0;
   }
+
 }
diff --git a/core/modules/config/src/Tests/ConfigInstallProfileUnmetDependenciesTest.php b/core/modules/config/src/Tests/ConfigInstallProfileUnmetDependenciesTest.php
index 6683580eab74..23199e063299 100644
--- a/core/modules/config/src/Tests/ConfigInstallProfileUnmetDependenciesTest.php
+++ b/core/modules/config/src/Tests/ConfigInstallProfileUnmetDependenciesTest.php
@@ -79,7 +79,6 @@ class ConfigInstallProfileUnmetDependenciesTest extends InstallerTestBase {
     // This step is not reached due to the exception.
   }
 
-
   /**
    * Confirms that the installation succeeded.
    */
diff --git a/core/modules/config/tests/src/Functional/ConfigInstallProfileOverrideTest.php b/core/modules/config/tests/src/Functional/ConfigInstallProfileOverrideTest.php
index 1f5232c939ef..187155f70eae 100644
--- a/core/modules/config/tests/src/Functional/ConfigInstallProfileOverrideTest.php
+++ b/core/modules/config/tests/src/Functional/ConfigInstallProfileOverrideTest.php
@@ -24,7 +24,6 @@ class ConfigInstallProfileOverrideTest extends BrowserTestBase {
    */
   protected $profile = 'testing_config_overrides';
 
-
   /**
    * Tests install profile config changes.
    */
diff --git a/core/modules/contact/tests/modules/contact_storage_test/contact_storage_test.module b/core/modules/contact/tests/modules/contact_storage_test/contact_storage_test.module
index cef976c6ffef..3b49f0aef65c 100644
--- a/core/modules/contact/tests/modules/contact_storage_test/contact_storage_test.module
+++ b/core/modules/contact/tests/modules/contact_storage_test/contact_storage_test.module
@@ -27,7 +27,6 @@ function contact_storage_test_entity_base_field_info(EntityTypeInterface $entity
   }
 }
 
-
 /**
  * Implements hook_entity_type_alter().
  */
@@ -56,6 +55,7 @@ function contact_storage_test_form_contact_form_form_alter(&$form, FormStateInte
   ];
   $form['#entity_builders'][] = 'contact_storage_test_contact_form_form_builder';
 }
+
 /**
  * Entity builder for the contact form edit form with third party options.
  *
diff --git a/core/modules/content_moderation/src/EntityTypeInfo.php b/core/modules/content_moderation/src/EntityTypeInfo.php
index c03cf4922036..80ce9d55df52 100644
--- a/core/modules/content_moderation/src/EntityTypeInfo.php
+++ b/core/modules/content_moderation/src/EntityTypeInfo.php
@@ -119,7 +119,6 @@ class EntityTypeInfo implements ContainerInjectionInterface {
     );
   }
 
-
   /**
    * Adds Moderation configuration to appropriate entity types.
    *
diff --git a/core/modules/content_translation/content_translation.admin.inc b/core/modules/content_translation/content_translation.admin.inc
index f7d5a0d21d0c..998359d9ddb9 100644
--- a/core/modules/content_translation/content_translation.admin.inc
+++ b/core/modules/content_translation/content_translation.admin.inc
@@ -164,6 +164,7 @@ function _content_translation_form_language_content_settings_form_alter(array &$
   $form['#validate'][] = 'content_translation_form_language_content_settings_validate';
   $form['#submit'][] = 'content_translation_form_language_content_settings_submit';
 }
+
 /**
  * Checks whether translatability should be configurable for a field.
  *
diff --git a/core/modules/editor/src/EditorXssFilter/Standard.php b/core/modules/editor/src/EditorXssFilter/Standard.php
index 363497f8d22e..754a014ca626 100644
--- a/core/modules/editor/src/EditorXssFilter/Standard.php
+++ b/core/modules/editor/src/EditorXssFilter/Standard.php
@@ -116,7 +116,6 @@ class Standard extends Xss implements EditorXssFilterInterface {
     return $html;
   }
 
-
   /**
    * Get all allowed tags from a restrictions data structure.
    *
diff --git a/core/modules/field/field.api.php b/core/modules/field/field.api.php
index 40b42e1dee34..64e2893e71b9 100644
--- a/core/modules/field/field.api.php
+++ b/core/modules/field/field.api.php
@@ -43,7 +43,6 @@
  * @see plugin_api
  */
 
-
 /**
  * Perform alterations on Field API field types.
  *
diff --git a/core/modules/field/src/FieldUninstallValidator.php b/core/modules/field/src/FieldUninstallValidator.php
index 6ee521e00267..62daf4525a67 100644
--- a/core/modules/field/src/FieldUninstallValidator.php
+++ b/core/modules/field/src/FieldUninstallValidator.php
@@ -85,7 +85,6 @@ class FieldUninstallValidator implements ModuleUninstallValidatorInterface {
     return $this->fieldStorageConfigStorage->loadByProperties(['module' => $module, 'include_deleted' => TRUE]);
   }
 
-
   /**
    * Returns the label for a specified field type.
    *
diff --git a/core/modules/field/tests/modules/field_test/field_test.module b/core/modules/field/tests/modules/field_test/field_test.module
index 4458672f67ec..2c827c2def3f 100644
--- a/core/modules/field/tests/modules/field_test/field_test.module
+++ b/core/modules/field/tests/modules/field_test/field_test.module
@@ -130,7 +130,6 @@ function field_test_field_widget_multivalue_test_field_widget_multiple_single_va
   _field_test_alter_widget("hook_field_widget_multivalue_WIDGET_TYPE_form_alter", $elements, $form_state, $context);
 }
 
-
 /**
  * Sets up alterations for widget alter tests.
  *
@@ -164,7 +163,6 @@ function field_test_query_efq_table_prefixing_test_alter(&$query) {
   $query->join('entity_test', 'et2', '%alias.id = entity_test.id');
 }
 
-
 /**
  * Implements hook_query_TAG_alter() for tag 'efq_metadata_test'.
  *
diff --git a/core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php b/core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php
index 7ded590c6a3c..cf53a7402a3e 100644
--- a/core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php
+++ b/core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFieldTranslatedReferenceViewTest.php
@@ -302,7 +302,6 @@ class EntityReferenceFieldTranslatedReferenceViewTest extends BrowserTestBase {
     return $node;
   }
 
-
   /**
    * Create the referenced entity.
    */
diff --git a/core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php b/core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php
index 1473375b1990..dd9e7d4c0860 100644
--- a/core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php
+++ b/core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php
@@ -332,7 +332,6 @@ class EntityReferenceFormatterTest extends EntityKernelTestBase {
     $this->assertEquals($expected_occurrences, $actual_occurrences);
   }
 
-
   /**
    * Tests the label formatter.
    */
diff --git a/core/modules/file/src/Plugin/migrate/source/d6/File.php b/core/modules/file/src/Plugin/migrate/source/d6/File.php
index 714dec96358b..9ec4887671ee 100644
--- a/core/modules/file/src/Plugin/migrate/source/d6/File.php
+++ b/core/modules/file/src/Plugin/migrate/source/d6/File.php
@@ -88,6 +88,7 @@ class File extends DrupalSqlBase {
       'is_public' => $this->t('TRUE if the files directory is public otherwise FALSE.'),
     ];
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/file/src/Tests/DownloadTest.php b/core/modules/file/src/Tests/DownloadTest.php
index 8f85f09f9601..2864ed22e81b 100644
--- a/core/modules/file/src/Tests/DownloadTest.php
+++ b/core/modules/file/src/Tests/DownloadTest.php
@@ -8,6 +8,7 @@ namespace Drupal\file\Tests;
  * @group file
  */
 class DownloadTest extends FileManagedTestBase {
+
   protected function setUp() {
     parent::setUp();
     // Clear out any hook calls.
diff --git a/core/modules/file/src/Tests/FileFieldPathTest.php b/core/modules/file/src/Tests/FileFieldPathTest.php
index 300b92c3ca26..bd3bcbf36a48 100644
--- a/core/modules/file/src/Tests/FileFieldPathTest.php
+++ b/core/modules/file/src/Tests/FileFieldPathTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class FileFieldPathTest extends FileFieldTestBase {
+
   /**
    * Tests the normal formatter display on node display.
    */
diff --git a/core/modules/file/src/Tests/FileFieldRevisionTest.php b/core/modules/file/src/Tests/FileFieldRevisionTest.php
index 04fbcb8767f6..4fd1d36601bb 100644
--- a/core/modules/file/src/Tests/FileFieldRevisionTest.php
+++ b/core/modules/file/src/Tests/FileFieldRevisionTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class FileFieldRevisionTest extends FileFieldTestBase {
+
   /**
    * Tests creating multiple revisions of a node and managing attached files.
    *
diff --git a/core/modules/file/src/Tests/FileManagedFileElementTest.php b/core/modules/file/src/Tests/FileManagedFileElementTest.php
index f48532e8d8e0..de9b46111051 100644
--- a/core/modules/file/src/Tests/FileManagedFileElementTest.php
+++ b/core/modules/file/src/Tests/FileManagedFileElementTest.php
@@ -10,6 +10,7 @@ namespace Drupal\file\Tests;
  *   that aren't related to fields into it.
  */
 class FileManagedFileElementTest extends FileFieldTestBase {
+
   /**
    * Tests the managed_file element type.
    */
diff --git a/core/modules/file/src/Tests/FileTokenReplaceTest.php b/core/modules/file/src/Tests/FileTokenReplaceTest.php
index 5bfa07b9ab29..e7c7815bb877 100644
--- a/core/modules/file/src/Tests/FileTokenReplaceTest.php
+++ b/core/modules/file/src/Tests/FileTokenReplaceTest.php
@@ -13,6 +13,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class FileTokenReplaceTest extends FileFieldTestBase {
+
   /**
    * Creates a file, then tests the tokens generated from it.
    */
diff --git a/core/modules/file/tests/src/Kernel/CopyTest.php b/core/modules/file/tests/src/Kernel/CopyTest.php
index 3193cb661912..0df63c86b270 100644
--- a/core/modules/file/tests/src/Kernel/CopyTest.php
+++ b/core/modules/file/tests/src/Kernel/CopyTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class CopyTest extends FileManagedUnitTestBase {
+
   /**
    * Test file copying in the normal, base case.
    */
diff --git a/core/modules/file/tests/src/Kernel/DeleteTest.php b/core/modules/file/tests/src/Kernel/DeleteTest.php
index de5a5bc045d8..9ab4c51e0de0 100644
--- a/core/modules/file/tests/src/Kernel/DeleteTest.php
+++ b/core/modules/file/tests/src/Kernel/DeleteTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class DeleteTest extends FileManagedUnitTestBase {
+
   /**
    * Tries deleting a normal file (as opposed to a directory, symlink, etc).
    */
diff --git a/core/modules/file/tests/src/Kernel/LoadTest.php b/core/modules/file/tests/src/Kernel/LoadTest.php
index 9d715395b0ae..413086ad1f49 100644
--- a/core/modules/file/tests/src/Kernel/LoadTest.php
+++ b/core/modules/file/tests/src/Kernel/LoadTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class LoadTest extends FileManagedUnitTestBase {
+
   /**
    * Try to load a non-existent file by fid.
    */
diff --git a/core/modules/file/tests/src/Kernel/MoveTest.php b/core/modules/file/tests/src/Kernel/MoveTest.php
index 3183ecfe42d8..72f6801a5516 100644
--- a/core/modules/file/tests/src/Kernel/MoveTest.php
+++ b/core/modules/file/tests/src/Kernel/MoveTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class MoveTest extends FileManagedUnitTestBase {
+
   /**
    * Move a normal file.
    */
diff --git a/core/modules/file/tests/src/Kernel/SaveDataTest.php b/core/modules/file/tests/src/Kernel/SaveDataTest.php
index 747c7b1ca546..8d03e3656d02 100644
--- a/core/modules/file/tests/src/Kernel/SaveDataTest.php
+++ b/core/modules/file/tests/src/Kernel/SaveDataTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class SaveDataTest extends FileManagedUnitTestBase {
+
   /**
    * Test the file_save_data() function when no filename is provided.
    */
diff --git a/core/modules/file/tests/src/Kernel/SaveTest.php b/core/modules/file/tests/src/Kernel/SaveTest.php
index 193c5684ec1c..73e8b25a5327 100644
--- a/core/modules/file/tests/src/Kernel/SaveTest.php
+++ b/core/modules/file/tests/src/Kernel/SaveTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class SaveTest extends FileManagedUnitTestBase {
+
   public function testFileSave() {
     // Create a new file entity.
     $file = File::create([
diff --git a/core/modules/file/tests/src/Kernel/SpaceUsedTest.php b/core/modules/file/tests/src/Kernel/SpaceUsedTest.php
index 650a289cfa9a..fd5c90cac5ed 100644
--- a/core/modules/file/tests/src/Kernel/SpaceUsedTest.php
+++ b/core/modules/file/tests/src/Kernel/SpaceUsedTest.php
@@ -10,6 +10,7 @@ use Drupal\file\Entity\File;
  * @group file
  */
 class SpaceUsedTest extends FileManagedUnitTestBase {
+
   protected function setUp() {
     parent::setUp();
 
diff --git a/core/modules/file/tests/src/Kernel/UsageTest.php b/core/modules/file/tests/src/Kernel/UsageTest.php
index f95e9cd48821..854360e1c65c 100644
--- a/core/modules/file/tests/src/Kernel/UsageTest.php
+++ b/core/modules/file/tests/src/Kernel/UsageTest.php
@@ -15,6 +15,7 @@ use Drupal\node\Entity\NodeType;
  * @group file
  */
 class UsageTest extends FileManagedUnitTestBase {
+
   /**
    * Tests \Drupal\file\FileUsage\DatabaseFileUsageBackend::listUsage().
    */
diff --git a/core/modules/file/tests/src/Kernel/ValidateTest.php b/core/modules/file/tests/src/Kernel/ValidateTest.php
index 0f348d69bd1c..3e9eb07a8ae5 100644
--- a/core/modules/file/tests/src/Kernel/ValidateTest.php
+++ b/core/modules/file/tests/src/Kernel/ValidateTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\file\Kernel;
  * @group file
  */
 class ValidateTest extends FileManagedUnitTestBase {
+
   /**
    * Test that the validators passed into are checked.
    */
diff --git a/core/modules/file/tests/src/Kernel/ValidatorTest.php b/core/modules/file/tests/src/Kernel/ValidatorTest.php
index b645f3913920..ab0d85229c75 100644
--- a/core/modules/file/tests/src/Kernel/ValidatorTest.php
+++ b/core/modules/file/tests/src/Kernel/ValidatorTest.php
@@ -137,7 +137,6 @@ class ValidatorTest extends FileManagedUnitTestBase {
     $this->assertEqual(count($errors), 1, 'An error reported for 0 length filename.', 'File');
   }
 
-
   /**
    * Test file_validate_size().
    */
diff --git a/core/modules/filter/tests/src/Kernel/FilterKernelTest.php b/core/modules/filter/tests/src/Kernel/FilterKernelTest.php
index 7b0c029b1b58..1838cfea79f4 100644
--- a/core/modules/filter/tests/src/Kernel/FilterKernelTest.php
+++ b/core/modules/filter/tests/src/Kernel/FilterKernelTest.php
@@ -388,7 +388,6 @@ class FilterKernelTest extends KernelTestBase {
     }
   }
 
-
   /**
    * Tests filter settings, defaults, access restrictions and similar.
    *
diff --git a/core/modules/forum/tests/src/Functional/Views/ForumIntegrationTest.php b/core/modules/forum/tests/src/Functional/Views/ForumIntegrationTest.php
index 19c000012d7c..4114db5efc16 100644
--- a/core/modules/forum/tests/src/Functional/Views/ForumIntegrationTest.php
+++ b/core/modules/forum/tests/src/Functional/Views/ForumIntegrationTest.php
@@ -34,7 +34,6 @@ class ForumIntegrationTest extends ViewTestBase {
     ViewTestData::createTestViews(get_class($this), ['forum_test_views']);
   }
 
-
   /**
    * Tests the integration.
    */
diff --git a/core/modules/hal/hal.api.php b/core/modules/hal/hal.api.php
index 197785cbc390..648de018794f 100644
--- a/core/modules/hal/hal.api.php
+++ b/core/modules/hal/hal.api.php
@@ -33,7 +33,6 @@ function hook_hal_type_uri_alter(&$uri, $context = []) {
   }
 }
 
-
 /**
  * Alter the HAL relation URI.
  *
diff --git a/core/modules/hal/src/Normalizer/EntityReferenceItemNormalizer.php b/core/modules/hal/src/Normalizer/EntityReferenceItemNormalizer.php
index 1a4ef54e12a8..de9fdc73610a 100644
--- a/core/modules/hal/src/Normalizer/EntityReferenceItemNormalizer.php
+++ b/core/modules/hal/src/Normalizer/EntityReferenceItemNormalizer.php
@@ -169,7 +169,6 @@ class EntityReferenceItemNormalizer extends FieldItemNormalizer implements UuidR
     return $normalized;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/hal/tests/src/Kernel/FileNormalizeTest.php b/core/modules/hal/tests/src/Kernel/FileNormalizeTest.php
index 355c09d1a67e..edcf3dca1f84 100644
--- a/core/modules/hal/tests/src/Kernel/FileNormalizeTest.php
+++ b/core/modules/hal/tests/src/Kernel/FileNormalizeTest.php
@@ -26,7 +26,6 @@ class FileNormalizeTest extends NormalizerTestBase {
     $this->installEntitySchema('file');
   }
 
-
   /**
    * Tests the normalize function.
    */
diff --git a/core/modules/help/src/HelpSectionPluginInterface.php b/core/modules/help/src/HelpSectionPluginInterface.php
index 8a725f97941f..cf377c420221 100644
--- a/core/modules/help/src/HelpSectionPluginInterface.php
+++ b/core/modules/help/src/HelpSectionPluginInterface.php
@@ -17,7 +17,6 @@ use Drupal\Core\Cache\CacheableDependencyInterface;
  */
 interface HelpSectionPluginInterface extends PluginInspectionInterface, CacheableDependencyInterface {
 
-
   /**
    * Returns the title of the help section.
    *
diff --git a/core/modules/help/tests/modules/help_page_test/src/Plugin/HelpSection/EmptyHelpSection.php b/core/modules/help/tests/modules/help_page_test/src/Plugin/HelpSection/EmptyHelpSection.php
index 6fa2ffd20da2..db390285bbfd 100644
--- a/core/modules/help/tests/modules/help_page_test/src/Plugin/HelpSection/EmptyHelpSection.php
+++ b/core/modules/help/tests/modules/help_page_test/src/Plugin/HelpSection/EmptyHelpSection.php
@@ -14,6 +14,7 @@ use Drupal\help\Plugin\HelpSection\HelpSectionPluginBase;
  * )
  */
 class EmptyHelpSection extends HelpSectionPluginBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/image/src/Form/ImageStyleDeleteForm.php b/core/modules/image/src/Form/ImageStyleDeleteForm.php
index f49d6b867e25..a0aea333b5cb 100644
--- a/core/modules/image/src/Form/ImageStyleDeleteForm.php
+++ b/core/modules/image/src/Form/ImageStyleDeleteForm.php
@@ -25,6 +25,7 @@ class ImageStyleDeleteForm extends EntityDeleteForm {
   public function getQuestion() {
     return $this->t('Optionally select a style before deleting %style', ['%style' => $this->entity->label()]);
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/image/src/ImageStyleInterface.php b/core/modules/image/src/ImageStyleInterface.php
index 7dec36107553..8430fdc2f704 100644
--- a/core/modules/image/src/ImageStyleInterface.php
+++ b/core/modules/image/src/ImageStyleInterface.php
@@ -42,7 +42,6 @@ interface ImageStyleInterface extends ConfigEntityInterface {
    */
   public function setName($name);
 
-
   /**
    * Returns the URI of this image when using this style.
    *
diff --git a/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php b/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
index 1c7cdcbc28f6..fc87845eb610 100644
--- a/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
+++ b/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
@@ -29,7 +29,6 @@ class NegotiationBrowserDeleteForm extends ConfirmFormBase {
     return ['language.mappings'];
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/language/src/HttpKernel/PathProcessorLanguage.php b/core/modules/language/src/HttpKernel/PathProcessorLanguage.php
index 8bb4f838e91d..9feae277c7f8 100644
--- a/core/modules/language/src/HttpKernel/PathProcessorLanguage.php
+++ b/core/modules/language/src/HttpKernel/PathProcessorLanguage.php
@@ -60,7 +60,6 @@ class PathProcessorLanguage implements InboundPathProcessorInterface, OutboundPa
    */
   protected $configSubscriber;
 
-
   /**
    * Constructs a PathProcessorLanguage object.
    *
diff --git a/core/modules/language/src/Plugin/Block/LanguageBlock.php b/core/modules/language/src/Plugin/Block/LanguageBlock.php
index 8e7ee918d50b..be8571b975f3 100644
--- a/core/modules/language/src/Plugin/Block/LanguageBlock.php
+++ b/core/modules/language/src/Plugin/Block/LanguageBlock.php
@@ -57,7 +57,6 @@ class LanguageBlock extends BlockBase implements ContainerFactoryPluginInterface
     $this->pathMatcher = $path_matcher;
   }
 
-
   /**
    * {@inheritdoc}
    */
@@ -71,7 +70,6 @@ class LanguageBlock extends BlockBase implements ContainerFactoryPluginInterface
     );
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentSettingsTest.php b/core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentSettingsTest.php
index d7a4551d6f34..fdba37073e4f 100644
--- a/core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentSettingsTest.php
+++ b/core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentSettingsTest.php
@@ -17,6 +17,7 @@ class MigrateLanguageContentSettingsTest extends MigrateDrupal7TestBase {
    * {@inheritdoc}
    */
   public static $modules = ['node', 'text', 'language', 'content_translation', 'menu_ui'];
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php b/core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php
index 825ca7d863dc..981228956ea6 100644
--- a/core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php
+++ b/core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php
@@ -256,7 +256,9 @@ class LanguageNegotiationUrlTest extends UnitTestCase {
 namespace Drupal\language\Plugin\LanguageNegotiation;
 
 if (!function_exists('base_path')) {
+
   function base_path() {
     return '/';
   }
+
 }
diff --git a/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php b/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
index 281634c46c8c..7570fe92414a 100644
--- a/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
+++ b/core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
@@ -398,7 +398,6 @@ class LinkWidget extends WidgetBase {
     return $values;
   }
 
-
   /**
    * {@inheritdoc}
    *
diff --git a/core/modules/link/tests/src/Functional/LinkFieldTest.php b/core/modules/link/tests/src/Functional/LinkFieldTest.php
index e5c8cb3fa171..fc6c9fee2655 100644
--- a/core/modules/link/tests/src/Functional/LinkFieldTest.php
+++ b/core/modules/link/tests/src/Functional/LinkFieldTest.php
@@ -662,7 +662,6 @@ class LinkFieldTest extends BrowserTestBase {
     $this->assertEqual($form[$field_name]['widget'][0]['uri']['#link_type'], $link_type);
   }
 
-
   /**
    * Tests editing a link to a non-node entity.
    */
diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index dbc6dfd724ec..8bc05fc75fa6 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -308,7 +308,6 @@ function locale_get_plural($count, $langcode = NULL) {
   return $plural_indexes[$langcode][$count];
 }
 
-
 /**
  * Implements hook_modules_installed().
  */
@@ -1372,6 +1371,7 @@ function _locale_rebuild_js($langcode = NULL) {
       return TRUE;
   }
 }
+
 /**
  * Form element callback: After build changes to the language update table.
  *
diff --git a/core/modules/locale/src/Form/ImportForm.php b/core/modules/locale/src/Form/ImportForm.php
index 708a121de69a..122093ae69d2 100644
--- a/core/modules/locale/src/Form/ImportForm.php
+++ b/core/modules/locale/src/Form/ImportForm.php
@@ -46,6 +46,7 @@ class ImportForm extends FormBase {
       $container->get('language_manager')
     );
   }
+
   /**
    * Constructs a form for language import.
    *
diff --git a/core/modules/locale/src/SourceString.php b/core/modules/locale/src/SourceString.php
index a1af509c2215..dd59954bf7c1 100644
--- a/core/modules/locale/src/SourceString.php
+++ b/core/modules/locale/src/SourceString.php
@@ -10,6 +10,7 @@ namespace Drupal\locale;
  * value, and is assumed to be in English language.
  */
 class SourceString extends StringBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php b/core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php
index 3a12efdf2473..0368350f0adb 100644
--- a/core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php
+++ b/core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php
@@ -187,7 +187,6 @@ class LocaleConfigSubscriberTest extends KernelTestBase {
     $this->assertNoTranslation($config_name, $langcode);
   }
 
-
   /**
    * Sets up a configuration string with a translation.
    *
diff --git a/core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php b/core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php
index 370c0146de02..8b9b7974dc59 100644
--- a/core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php
+++ b/core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php
@@ -41,7 +41,6 @@ class LocaleTranslationProjectsTest extends KernelTestBase {
     \Drupal::state()->set('locale.remove_core_project', TRUE);
   }
 
-
   /**
    * Tests locale_translation_clear_cache_projects().
    */
diff --git a/core/modules/locale/tests/src/Unit/StringBaseTest.php b/core/modules/locale/tests/src/Unit/StringBaseTest.php
index 96bb41bc22b7..7436c70072aa 100644
--- a/core/modules/locale/tests/src/Unit/StringBaseTest.php
+++ b/core/modules/locale/tests/src/Unit/StringBaseTest.php
@@ -21,7 +21,6 @@ class StringBaseTest extends UnitTestCase {
     $string->save();
   }
 
-
   /**
    * @covers ::delete
    */
diff --git a/core/modules/media/src/Plugin/media/Source/File.php b/core/modules/media/src/Plugin/media/Source/File.php
index 0f7631ec2771..480667760f8d 100644
--- a/core/modules/media/src/Plugin/media/Source/File.php
+++ b/core/modules/media/src/Plugin/media/Source/File.php
@@ -36,7 +36,6 @@ class File extends MediaSourceBase {
    */
   const METADATA_ATTRIBUTE_SIZE = 'filesize';
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/menu_link_content/src/Entity/MenuLinkContent.php b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
index 129404407bbe..0b8e7ccae0e9 100644
--- a/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
+++ b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
@@ -193,6 +193,7 @@ class MenuLinkContent extends ContentEntityBase implements MenuLinkContentInterf
       $this->setRequiresRediscovery(FALSE);
     }
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/menu_link_content/tests/src/Kernel/PathAliasMenuLinkContentTest.php b/core/modules/menu_link_content/tests/src/Kernel/PathAliasMenuLinkContentTest.php
index 046deb4a00fd..6a7cf4a363d1 100644
--- a/core/modules/menu_link_content/tests/src/Kernel/PathAliasMenuLinkContentTest.php
+++ b/core/modules/menu_link_content/tests/src/Kernel/PathAliasMenuLinkContentTest.php
@@ -44,7 +44,6 @@ class PathAliasMenuLinkContentTest extends KernelTestBase {
       ->addTag('path_processor_inbound', ['priority' => 100]);
   }
 
-
   /**
    * Tests the path aliasing changing.
    */
diff --git a/core/modules/menu_ui/menu_ui.module b/core/modules/menu_ui/menu_ui.module
index cb1e85307f5c..ab084375ec54 100644
--- a/core/modules/menu_ui/menu_ui.module
+++ b/core/modules/menu_ui/menu_ui.module
@@ -496,7 +496,6 @@ function menu_ui_preprocess_block(&$variables) {
   }
 }
 
-
 /**
  * Implements hook_system_breadcrumb_alter().
  */
diff --git a/core/modules/migrate/src/Plugin/Discovery/AnnotatedClassDiscoveryAutomatedProviders.php b/core/modules/migrate/src/Plugin/Discovery/AnnotatedClassDiscoveryAutomatedProviders.php
index 180be0a3aae5..a1f973746b2c 100644
--- a/core/modules/migrate/src/Plugin/Discovery/AnnotatedClassDiscoveryAutomatedProviders.php
+++ b/core/modules/migrate/src/Plugin/Discovery/AnnotatedClassDiscoveryAutomatedProviders.php
@@ -48,7 +48,6 @@ class AnnotatedClassDiscoveryAutomatedProviders extends AnnotatedClassDiscovery
     $this->finder = new ClassFinder();
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php b/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
index 52a57b69f7d2..3482e4d3b8d4 100644
--- a/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
+++ b/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php
@@ -103,7 +103,6 @@ interface MigrateIdMapInterface extends \Iterator, PluginInspectionInterface {
    */
   public function importedCount();
 
-
   /**
    * Returns a count of items which are marked as needing update.
    *
diff --git a/core/modules/migrate/src/Plugin/Migration.php b/core/modules/migrate/src/Plugin/Migration.php
index 3007815d041f..5ff495b266c7 100644
--- a/core/modules/migrate/src/Plugin/Migration.php
+++ b/core/modules/migrate/src/Plugin/Migration.php
@@ -554,7 +554,6 @@ class Migration extends PluginBase implements MigrationInterface, RequirementsIn
     return $this;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate/src/Plugin/MigrationPluginManager.php b/core/modules/migrate/src/Plugin/MigrationPluginManager.php
index 74f151999bd4..d06341fcc89d 100644
--- a/core/modules/migrate/src/Plugin/MigrationPluginManager.php
+++ b/core/modules/migrate/src/Plugin/MigrationPluginManager.php
@@ -160,7 +160,6 @@ class MigrationPluginManager extends DefaultPluginManager implements MigrationPl
     return $plugin_ids;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate/tests/src/Unit/destination/EntityRevisionTest.php b/core/modules/migrate/tests/src/Unit/destination/EntityRevisionTest.php
index 8a6fe9a43dbc..7c331910e210 100644
--- a/core/modules/migrate/tests/src/Unit/destination/EntityRevisionTest.php
+++ b/core/modules/migrate/tests/src/Unit/destination/EntityRevisionTest.php
@@ -176,7 +176,6 @@ class EntityRevisionTest extends UnitTestCase {
     $this->assertEquals([1234], $destination->save($entity->reveal(), []));
   }
 
-
   /**
    * Helper method to create an entity revision destination with mock services.
    *
diff --git a/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityDisplayTest.php b/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityDisplayTest.php
index f450984d4889..5c4a856c0b11 100644
--- a/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityDisplayTest.php
+++ b/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityDisplayTest.php
@@ -53,13 +53,16 @@ class PerComponentEntityDisplayTest extends MigrateTestCase {
 class TestPerComponentEntityDisplay extends ComponentEntityDisplayBase {
   const MODE_NAME = 'view_mode';
   protected $testValues;
+
   public function __construct($entity) {
     $this->entity = $entity;
   }
+
   protected function getEntity($entity_type, $bundle, $view_mode) {
     $this->testValues = func_get_args();
     return $this->entity;
   }
+
   public function getTestValues() {
     return $this->testValues;
   }
diff --git a/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityFormDisplayTest.php b/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityFormDisplayTest.php
index 157d45e3393e..218d9a6585c1 100644
--- a/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityFormDisplayTest.php
+++ b/core/modules/migrate/tests/src/Unit/destination/PerComponentEntityFormDisplayTest.php
@@ -53,13 +53,16 @@ class PerComponentEntityFormDisplayTest extends MigrateTestCase {
 class TestPerComponentEntityFormDisplay extends PerComponentEntityFormDisplay {
   const MODE_NAME = 'form_mode';
   protected $testValues;
+
   public function __construct($entity) {
     $this->entity = $entity;
   }
+
   protected function getEntity($entity_type, $bundle, $form_mode) {
     $this->testValues = func_get_args();
     return $this->entity;
   }
+
   public function getTestValues() {
     return $this->testValues;
   }
diff --git a/core/modules/migrate/tests/src/Unit/process/ConcatTest.php b/core/modules/migrate/tests/src/Unit/process/ConcatTest.php
index e7873fee3988..8acbc11573a1 100644
--- a/core/modules/migrate/tests/src/Unit/process/ConcatTest.php
+++ b/core/modules/migrate/tests/src/Unit/process/ConcatTest.php
@@ -53,6 +53,7 @@ class ConcatTest extends MigrateProcessTestCase {
 }
 
 class TestConcat extends Concat {
+
   public function __construct() {
   }
 
diff --git a/core/modules/migrate/tests/src/Unit/process/GetTest.php b/core/modules/migrate/tests/src/Unit/process/GetTest.php
index 5bc6247e7d8b..67f56b0a78b7 100644
--- a/core/modules/migrate/tests/src/Unit/process/GetTest.php
+++ b/core/modules/migrate/tests/src/Unit/process/GetTest.php
@@ -114,8 +114,10 @@ class GetTest extends MigrateProcessTestCase {
 namespace Drupal\migrate\Plugin\migrate\process;
 
 class TestGet extends Get {
+
   public function __construct() {
   }
+
   public function setSource($source) {
     $this->configuration['source'] = $source;
   }
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 5822cb07f7ec..b26be926846b 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -1035,7 +1035,6 @@ function node_access_view_all_nodes($account = NULL) {
   return $access[$account->id()];
 }
 
-
 /**
  * Implements hook_query_TAG_alter().
  *
diff --git a/core/modules/node/src/Entity/Node.php b/core/modules/node/src/Entity/Node.php
index ccee95b3a663..827c459f724e 100644
--- a/core/modules/node/src/Entity/Node.php
+++ b/core/modules/node/src/Entity/Node.php
@@ -212,7 +212,6 @@ class Node extends EditorialContentEntityBase implements NodeInterface {
     return $this->get('created')->value;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/node/src/NodeAccessControlHandler.php b/core/modules/node/src/NodeAccessControlHandler.php
index a8a0bc6241e0..5ccc6425e36d 100644
--- a/core/modules/node/src/NodeAccessControlHandler.php
+++ b/core/modules/node/src/NodeAccessControlHandler.php
@@ -50,7 +50,6 @@ class NodeAccessControlHandler extends EntityAccessControlHandler implements Nod
     );
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/node/src/Plugin/views/filter/Access.php b/core/modules/node/src/Plugin/views/filter/Access.php
index 71e8e95e5aac..38f16377c424 100644
--- a/core/modules/node/src/Plugin/views/filter/Access.php
+++ b/core/modules/node/src/Plugin/views/filter/Access.php
@@ -16,7 +16,9 @@ use Drupal\views\Plugin\views\filter\FilterPluginBase;
 class Access extends FilterPluginBase {
 
   public function adminSummary() {}
+
   protected function operatorForm(&$form, FormStateInterface $form_state) {}
+
   public function canExpose() {
     return FALSE;
   }
diff --git a/core/modules/node/tests/src/Functional/PageViewTest.php b/core/modules/node/tests/src/Functional/PageViewTest.php
index 9f7e41402c9c..1f796d83c7cf 100644
--- a/core/modules/node/tests/src/Functional/PageViewTest.php
+++ b/core/modules/node/tests/src/Functional/PageViewTest.php
@@ -10,6 +10,7 @@ use Drupal\node\Entity\Node;
  * @group node
  */
 class PageViewTest extends NodeTestBase {
+
   /**
    * Tests an anonymous and unpermissioned user attempting to edit the node.
    */
diff --git a/core/modules/node/tests/src/Kernel/NodeListBuilderTest.php b/core/modules/node/tests/src/Kernel/NodeListBuilderTest.php
index 0a0f145dd9a4..420b30661e5a 100644
--- a/core/modules/node/tests/src/Kernel/NodeListBuilderTest.php
+++ b/core/modules/node/tests/src/Kernel/NodeListBuilderTest.php
@@ -23,7 +23,6 @@ class NodeListBuilderTest extends KernelTestBase {
     $this->installEntitySchema('node');
   }
 
-
   /**
    * Tests that the correct cache contexts are set.
    */
diff --git a/core/modules/options/tests/src/Functional/OptionsDynamicValuesValidationTest.php b/core/modules/options/tests/src/Functional/OptionsDynamicValuesValidationTest.php
index 9205011ed8a9..7ef535c96c16 100644
--- a/core/modules/options/tests/src/Functional/OptionsDynamicValuesValidationTest.php
+++ b/core/modules/options/tests/src/Functional/OptionsDynamicValuesValidationTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\options\Functional;
  * @group options
  */
 class OptionsDynamicValuesValidationTest extends OptionsDynamicValuesTestBase {
+
   /**
    * Test that allowed values function gets the entity.
    */
diff --git a/core/modules/options/tests/src/Functional/OptionsSelectDynamicValuesTest.php b/core/modules/options/tests/src/Functional/OptionsSelectDynamicValuesTest.php
index b661c0d53625..e94126504062 100644
--- a/core/modules/options/tests/src/Functional/OptionsSelectDynamicValuesTest.php
+++ b/core/modules/options/tests/src/Functional/OptionsSelectDynamicValuesTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\options\Functional;
  * @group options
  */
 class OptionsSelectDynamicValuesTest extends OptionsDynamicValuesTestBase {
+
   /**
    * Tests the 'options_select' widget (single select).
    */
diff --git a/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php b/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
index a2157f1f918c..a6cee048a87f 100644
--- a/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
+++ b/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
@@ -35,7 +35,6 @@ class OptionsWidgetsTest extends FieldTestBase {
    */
   protected $card2;
 
-
   protected function setUp() {
     parent::setUp();
 
diff --git a/core/modules/rdf/rdf.module b/core/modules/rdf/rdf.module
index 8d4329884d60..dbffb20c017b 100644
--- a/core/modules/rdf/rdf.module
+++ b/core/modules/rdf/rdf.module
@@ -38,6 +38,7 @@ function rdf_help($route_name, RouteMatchInterface $route_match) {
  * into variables available to theme functions and templates. All Drupal core
  * themes are coded to be RDFa compatible.
  */
+
 /**
  * Returns the RDF mapping object associated with a bundle.
  *
@@ -293,7 +294,6 @@ function _rdf_set_field_rel_attribute(&$variables) {
   }
 }
 
-
 /**
  * Implements hook_preprocess_HOOK() for node templates.
  */
diff --git a/core/modules/rdf/tests/src/Kernel/RdfaAttributesTest.php b/core/modules/rdf/tests/src/Kernel/RdfaAttributesTest.php
index 39f4831223a0..4023ef26b279 100644
--- a/core/modules/rdf/tests/src/Kernel/RdfaAttributesTest.php
+++ b/core/modules/rdf/tests/src/Kernel/RdfaAttributesTest.php
@@ -73,7 +73,6 @@ class RdfaAttributesTest extends KernelTestBase {
     $this->_testAttributes($expected_attributes, $mapping, $date);
   }
 
-
   /**
    * Test attribute creation for mappings which use data converters.
    */
diff --git a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
index 9196135afdc9..04efb7b80371 100644
--- a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
@@ -151,6 +151,7 @@ class ResponsiveImageFieldDisplayTest extends ImageFieldTestBase {
         ->save();
     }
   }
+
   /**
    * Test responsive image formatters on node display.
    *
diff --git a/core/modules/rest/rest.api.php b/core/modules/rest/rest.api.php
index 6c09bbff530b..0890e3bbf202 100644
--- a/core/modules/rest/rest.api.php
+++ b/core/modules/rest/rest.api.php
@@ -56,7 +56,6 @@ function hook_rest_type_uri_alter(&$uri, $context = []) {
   }
 }
 
-
 /**
  * Alter the REST relation URI.
  *
diff --git a/core/modules/rest/src/Plugin/views/display/RestExport.php b/core/modules/rest/src/Plugin/views/display/RestExport.php
index 52daee05f040..93605b8e9501 100644
--- a/core/modules/rest/src/Plugin/views/display/RestExport.php
+++ b/core/modules/rest/src/Plugin/views/display/RestExport.php
@@ -166,6 +166,7 @@ class RestExport extends PathPluginBase implements ResponseDisplayPluginInterfac
       $container->getParameter('serializer.format_providers')
     );
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/BlockContent/BlockContentResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/BlockContent/BlockContentResourceTestBase.php
index 260511a34651..cdc89d396147 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/BlockContent/BlockContentResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/BlockContent/BlockContentResourceTestBase.php
@@ -161,7 +161,6 @@ abstract class BlockContentResourceTestBase extends EntityResourceTestBase {
     ];
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/XmlEntityNormalizationQuirksTrait.php b/core/modules/rest/tests/src/Functional/EntityResource/XmlEntityNormalizationQuirksTrait.php
index b69394ba1420..3064ea3a50f0 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/XmlEntityNormalizationQuirksTrait.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/XmlEntityNormalizationQuirksTrait.php
@@ -107,7 +107,6 @@ trait XmlEntityNormalizationQuirksTrait {
     return $normalization;
   }
 
-
   /**
    * Applies the XML config entity encoding quirks that remain after decoding.
    *
diff --git a/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php b/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
index de75f3ea2cec..a791838f9fdd 100644
--- a/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
+++ b/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
@@ -97,8 +97,11 @@ class RequestHandlerTest extends KernelTestBase {
 class StubRequestHandlerResourcePlugin extends ResourceBase {
 
   public function get($example, Request $request) {}
+
   public function post() {}
+
   public function patch($example_original, Request $request) {}
+
   public function delete() {}
 
 }
diff --git a/core/modules/search/tests/src/Functional/SearchExactTest.php b/core/modules/search/tests/src/Functional/SearchExactTest.php
index 04163918e540..fc9cec2d562d 100644
--- a/core/modules/search/tests/src/Functional/SearchExactTest.php
+++ b/core/modules/search/tests/src/Functional/SearchExactTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\search\Functional;
  * @group search
  */
 class SearchExactTest extends SearchTestBase {
+
   /**
    * Tests that the correct number of pager links are found for both keywords and phrases.
    */
diff --git a/core/modules/search/tests/src/Functional/SearchSimplifyTest.php b/core/modules/search/tests/src/Functional/SearchSimplifyTest.php
index 1c30c2e3639e..399f4ba0d851 100644
--- a/core/modules/search/tests/src/Functional/SearchSimplifyTest.php
+++ b/core/modules/search/tests/src/Functional/SearchSimplifyTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\search\Functional;
  * @group search
  */
 class SearchSimplifyTest extends SearchTestBase {
+
   /**
    * Tests that all Unicode characters simplify correctly.
    */
diff --git a/core/modules/search/tests/src/Unit/SearchPageRepositoryTest.php b/core/modules/search/tests/src/Unit/SearchPageRepositoryTest.php
index 69dffd87cc84..5321a51d819d 100644
--- a/core/modules/search/tests/src/Unit/SearchPageRepositoryTest.php
+++ b/core/modules/search/tests/src/Unit/SearchPageRepositoryTest.php
@@ -273,11 +273,13 @@ class SearchPageRepositoryTest extends UnitTestCase {
 }
 
 class TestSearchPage extends SearchPage {
+
   public function __construct(array $values) {
     foreach ($values as $key => $value) {
       $this->$key = $value;
     }
   }
+
   public function label($langcode = NULL) {
     return $this->label;
   }
diff --git a/core/modules/serialization/tests/src/Unit/Encoder/XmlEncoderTest.php b/core/modules/serialization/tests/src/Unit/Encoder/XmlEncoderTest.php
index a347982b372f..cbff14a9b45b 100644
--- a/core/modules/serialization/tests/src/Unit/Encoder/XmlEncoderTest.php
+++ b/core/modules/serialization/tests/src/Unit/Encoder/XmlEncoderTest.php
@@ -97,6 +97,7 @@ class XmlEncoderTest extends UnitTestCase {
 }
 
 class TestObject {
+
   public function getA() {
     return 'A';
   }
diff --git a/core/modules/simpletest/simpletest.api.php b/core/modules/simpletest/simpletest.api.php
index 62563a0893dd..d8f820946015 100644
--- a/core/modules/simpletest/simpletest.api.php
+++ b/core/modules/simpletest/simpletest.api.php
@@ -62,7 +62,6 @@ function hook_test_group_finished() {
 function hook_test_finished($results) {
 }
 
-
 /**
  * @} End of "addtogroup hooks".
  */
diff --git a/core/modules/simpletest/src/KernelTestBase.php b/core/modules/simpletest/src/KernelTestBase.php
index 12113bce9b6a..c8b8669d542b 100644
--- a/core/modules/simpletest/src/KernelTestBase.php
+++ b/core/modules/simpletest/src/KernelTestBase.php
@@ -478,7 +478,6 @@ EOD;
     ]));
   }
 
-
   /**
    * Installs the storage schema for a specific entity type.
    *
diff --git a/core/modules/simpletest/tests/src/Functional/MailCaptureTest.php b/core/modules/simpletest/tests/src/Functional/MailCaptureTest.php
index f610eaf429de..8cb0904bf996 100644
--- a/core/modules/simpletest/tests/src/Functional/MailCaptureTest.php
+++ b/core/modules/simpletest/tests/src/Functional/MailCaptureTest.php
@@ -15,6 +15,7 @@ class MailCaptureTest extends BrowserTestBase {
   use AssertMailTrait {
     getMails as drupalGetMails;
   }
+
   /**
    * Test to see if the wrapper function is executed correctly.
    */
diff --git a/core/modules/statistics/src/StatisticsViewsResult.php b/core/modules/statistics/src/StatisticsViewsResult.php
index ef0db9775e79..f3253e5b84ca 100644
--- a/core/modules/statistics/src/StatisticsViewsResult.php
+++ b/core/modules/statistics/src/StatisticsViewsResult.php
@@ -37,7 +37,6 @@ class StatisticsViewsResult {
     return $this->totalCount;
   }
 
-
   /**
    * Total number of times the entity has been viewed "today".
    *
@@ -47,7 +46,6 @@ class StatisticsViewsResult {
     return $this->dayCount;
   }
 
-
   /**
    * Timestamp of when the entity was last viewed.
    *
diff --git a/core/modules/statistics/tests/src/Functional/StatisticsTokenReplaceTest.php b/core/modules/statistics/tests/src/Functional/StatisticsTokenReplaceTest.php
index 8402d221af0e..50616af23aad 100644
--- a/core/modules/statistics/tests/src/Functional/StatisticsTokenReplaceTest.php
+++ b/core/modules/statistics/tests/src/Functional/StatisticsTokenReplaceTest.php
@@ -9,6 +9,7 @@ namespace Drupal\Tests\statistics\Functional;
  * @group statistics
  */
 class StatisticsTokenReplaceTest extends StatisticsTestBase {
+
   /**
    * Creates a node, then tests the statistics tokens generated from it.
    */
diff --git a/core/modules/system/src/CronController.php b/core/modules/system/src/CronController.php
index 915a0c887eb1..2626bf3a0591 100644
--- a/core/modules/system/src/CronController.php
+++ b/core/modules/system/src/CronController.php
@@ -36,7 +36,6 @@ class CronController extends ControllerBase {
     return new static($container->get('cron'));
   }
 
-
   /**
    * Run Cron once.
    *
diff --git a/core/modules/system/src/Form/SiteMaintenanceModeForm.php b/core/modules/system/src/Form/SiteMaintenanceModeForm.php
index 58b1f1a9d62c..dae500df4840 100644
--- a/core/modules/system/src/Form/SiteMaintenanceModeForm.php
+++ b/core/modules/system/src/Form/SiteMaintenanceModeForm.php
@@ -56,6 +56,7 @@ class SiteMaintenanceModeForm extends ConfigFormBase {
       $container->get('user.permissions')
     );
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/system/src/Plugin/migrate/process/d6/TimeZone.php b/core/modules/system/src/Plugin/migrate/process/d6/TimeZone.php
index 3dc88810d575..7d11beea1941 100644
--- a/core/modules/system/src/Plugin/migrate/process/d6/TimeZone.php
+++ b/core/modules/system/src/Plugin/migrate/process/d6/TimeZone.php
@@ -14,6 +14,7 @@ use Drupal\migrate\Row;
  * )
  */
 class TimeZone extends ProcessPluginBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/system/src/Tests/Ajax/AjaxInGroupTest.php b/core/modules/system/src/Tests/Ajax/AjaxInGroupTest.php
index 4116f5f892b3..39af58be5a51 100644
--- a/core/modules/system/src/Tests/Ajax/AjaxInGroupTest.php
+++ b/core/modules/system/src/Tests/Ajax/AjaxInGroupTest.php
@@ -8,6 +8,7 @@ namespace Drupal\system\Tests\Ajax;
  * @group Ajax
  */
 class AjaxInGroupTest extends AjaxTestBase {
+
   protected function setUp() {
     parent::setUp();
 
diff --git a/core/modules/system/src/Tests/Ajax/CommandsTest.php b/core/modules/system/src/Tests/Ajax/CommandsTest.php
index 6ae97ae1341a..b91ac98271ca 100644
--- a/core/modules/system/src/Tests/Ajax/CommandsTest.php
+++ b/core/modules/system/src/Tests/Ajax/CommandsTest.php
@@ -29,6 +29,7 @@ use Symfony\Component\HttpKernel\HttpKernelInterface;
  * @group Ajax
  */
 class CommandsTest extends AjaxTestBase {
+
   /**
    * Tests the various Ajax Commands.
    */
diff --git a/core/modules/system/src/Tests/Ajax/ElementValidationTest.php b/core/modules/system/src/Tests/Ajax/ElementValidationTest.php
index d20f453be48f..169a38900be3 100644
--- a/core/modules/system/src/Tests/Ajax/ElementValidationTest.php
+++ b/core/modules/system/src/Tests/Ajax/ElementValidationTest.php
@@ -8,6 +8,7 @@ namespace Drupal\system\Tests\Ajax;
  * @group Ajax
  */
 class ElementValidationTest extends AjaxTestBase {
+
   /**
    * Tries to post an Ajax change to a form that has a validated element.
    *
diff --git a/core/modules/system/src/Tests/Ajax/FormValuesTest.php b/core/modules/system/src/Tests/Ajax/FormValuesTest.php
index 9f4b52175253..358db893388b 100644
--- a/core/modules/system/src/Tests/Ajax/FormValuesTest.php
+++ b/core/modules/system/src/Tests/Ajax/FormValuesTest.php
@@ -10,6 +10,7 @@ use Drupal\Core\Ajax\DataCommand;
  * @group Ajax
  */
 class FormValuesTest extends AjaxTestBase {
+
   protected function setUp() {
     parent::setUp();
 
diff --git a/core/modules/system/src/Tests/Ajax/FrameworkTest.php b/core/modules/system/src/Tests/Ajax/FrameworkTest.php
index 14bae0644293..507493b7d09b 100644
--- a/core/modules/system/src/Tests/Ajax/FrameworkTest.php
+++ b/core/modules/system/src/Tests/Ajax/FrameworkTest.php
@@ -16,6 +16,7 @@ use Drupal\Core\Asset\AttachedAssets;
  * @group Ajax
  */
 class FrameworkTest extends AjaxTestBase {
+
   /**
    * Verifies the Ajax rendering of a command in the settings.
    */
diff --git a/core/modules/system/src/Tests/Form/ElementsTableSelectTest.php b/core/modules/system/src/Tests/Form/ElementsTableSelectTest.php
index 9cbda92cf6da..030526eef9fa 100644
--- a/core/modules/system/src/Tests/Form/ElementsTableSelectTest.php
+++ b/core/modules/system/src/Tests/Form/ElementsTableSelectTest.php
@@ -163,7 +163,6 @@ class ElementsTableSelectTest extends WebTestBase {
     $this->assertNoFieldByXPath('//th[@class="select-all"]', NULL, 'Do not display a "Select all" checkbox when #multiple is FALSE, even when #js_select is TRUE.');
   }
 
-
   /**
    * Test the whether the option checker gives an error on invalid tableselect values for checkboxes.
    */
@@ -187,7 +186,6 @@ class ElementsTableSelectTest extends WebTestBase {
 
   }
 
-
   /**
    * Test the whether the option checker gives an error on invalid tableselect values for radios.
    */
@@ -211,7 +209,6 @@ class ElementsTableSelectTest extends WebTestBase {
     $this->assertTrue(isset($errors['tableselect']), 'Option checker disallows invalid values for radio buttons.');
   }
 
-
   /**
    * Helper function for the option check test to submit a form while collecting errors.
    *
diff --git a/core/modules/system/src/Tests/Path/UrlAliasFixtures.php b/core/modules/system/src/Tests/Path/UrlAliasFixtures.php
index 71cd736380e0..bb57c31ba128 100644
--- a/core/modules/system/src/Tests/Path/UrlAliasFixtures.php
+++ b/core/modules/system/src/Tests/Path/UrlAliasFixtures.php
@@ -71,7 +71,6 @@ class UrlAliasFixtures {
     ];
   }
 
-
   /**
    * Returns the table definition for the URL alias fixtures.
    *
diff --git a/core/modules/system/system.post_update.php b/core/modules/system/system.post_update.php
index 038d4b82909b..0662853339d4 100644
--- a/core/modules/system/system.post_update.php
+++ b/core/modules/system/system.post_update.php
@@ -51,7 +51,6 @@ function system_post_update_add_region_to_entity_displays() {
   array_map($entity_save, EntityFormDisplay::loadMultiple());
 }
 
-
 /**
  * Force caches using hashes to be cleared (Twig, render cache, etc.).
  */
diff --git a/core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestDialogForm.php b/core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestDialogForm.php
index daedcf17069f..eafe8a98a7a1 100644
--- a/core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestDialogForm.php
+++ b/core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestDialogForm.php
@@ -67,7 +67,6 @@ class AjaxTestDialogForm extends FormBase {
     $form_state->setRedirect('ajax_test.dialog_contents');
   }
 
-
   /**
    * AJAX callback handler for AjaxTestDialogForm.
    */
@@ -82,7 +81,6 @@ class AjaxTestDialogForm extends FormBase {
     return $this->dialog(FALSE);
   }
 
-
   /**
    * Util to render dialog in ajax callback.
    *
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 1eaa103fa598..210998444a25 100644
--- a/core/modules/system/tests/modules/database_test/database_test.module
+++ b/core/modules/system/tests/modules/database_test/database_test.module
@@ -38,7 +38,6 @@ function database_test_query_alter(AlterableInterface $query) {
   }
 }
 
-
 /**
  * Implements hook_query_TAG_alter().
  *
diff --git a/core/modules/system/tests/modules/dialog_renderer_test/src/Render/MainContent/WideModalRenderer.php b/core/modules/system/tests/modules/dialog_renderer_test/src/Render/MainContent/WideModalRenderer.php
index 2fd982818031..4b3aee92d8a3 100644
--- a/core/modules/system/tests/modules/dialog_renderer_test/src/Render/MainContent/WideModalRenderer.php
+++ b/core/modules/system/tests/modules/dialog_renderer_test/src/Render/MainContent/WideModalRenderer.php
@@ -38,7 +38,6 @@ class WideModalRenderer extends ModalRenderer {
     $this->mode = $mode;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php b/core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php
index a69348849f44..fa69e783d08a 100644
--- a/core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php
+++ b/core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php
@@ -95,7 +95,6 @@ class EntityTestController extends ControllerBase {
     ];
   }
 
-
   /**
    * Empty list of entities of the given entity type.
    *
diff --git a/core/modules/system/tests/modules/js_webassert_test/src/Form/JsWebAssertTestForm.php b/core/modules/system/tests/modules/js_webassert_test/src/Form/JsWebAssertTestForm.php
index d46db774d68f..1bc25bb557ab 100644
--- a/core/modules/system/tests/modules/js_webassert_test/src/Form/JsWebAssertTestForm.php
+++ b/core/modules/system/tests/modules/js_webassert_test/src/Form/JsWebAssertTestForm.php
@@ -139,6 +139,7 @@ class JsWebAssertTestForm extends FormBase {
     ];
     return $form;
   }
+
   /**
    * Ajax callback for the "Add field" button.
    */
@@ -179,7 +180,6 @@ class JsWebAssertTestForm extends FormBase {
     return $form;
   }
 
-
   /**
    * Ajax callback for the "Test waitForElementVisible" button.
    */
diff --git a/core/modules/system/tests/modules/menu_test/src/Controller/MenuTestController.php b/core/modules/system/tests/modules/menu_test/src/Controller/MenuTestController.php
index fe6566cddb32..8472b99a183c 100644
--- a/core/modules/system/tests/modules/menu_test/src/Controller/MenuTestController.php
+++ b/core/modules/system/tests/modules/menu_test/src/Controller/MenuTestController.php
@@ -71,7 +71,6 @@ class MenuTestController extends ControllerBase {
     return ['#markup' => 'This is the menuTestCallback content.'];
   }
 
-
   /**
    * A title callback method for test routes.
    *
diff --git a/core/modules/system/tests/modules/module_autoload_test/src/SomeClass.php b/core/modules/system/tests/modules/module_autoload_test/src/SomeClass.php
index 6cd97a0cb65a..11993b71f48e 100644
--- a/core/modules/system/tests/modules/module_autoload_test/src/SomeClass.php
+++ b/core/modules/system/tests/modules/module_autoload_test/src/SomeClass.php
@@ -3,6 +3,7 @@
 namespace Drupal\module_autoload_test;
 
 class SomeClass {
+
   public function testMethod() {
     return 'Drupal\\module_autoload_test\\SomeClass::testMethod() was invoked.';
   }
diff --git a/core/modules/system/tests/modules/plugin_test/src/Plugin/MockBlockManager.php b/core/modules/system/tests/modules/plugin_test/src/Plugin/MockBlockManager.php
index 443ab5d04090..78a02a95dd16 100644
--- a/core/modules/system/tests/modules/plugin_test/src/Plugin/MockBlockManager.php
+++ b/core/modules/system/tests/modules/plugin_test/src/Plugin/MockBlockManager.php
@@ -12,6 +12,7 @@ use Drupal\Core\Plugin\Context\ContextDefinition;
  * Defines a plugin manager used by Plugin API derivative unit tests.
  */
 class MockBlockManager extends PluginManagerBase {
+
   public function __construct() {
 
     // Create the object that can be used to return definitions for all the
diff --git a/core/modules/system/tests/modules/plugin_test/src/Plugin/TestPluginManager.php b/core/modules/system/tests/modules/plugin_test/src/Plugin/TestPluginManager.php
index ec464a5b7ae8..d044bafcc135 100644
--- a/core/modules/system/tests/modules/plugin_test/src/Plugin/TestPluginManager.php
+++ b/core/modules/system/tests/modules/plugin_test/src/Plugin/TestPluginManager.php
@@ -10,6 +10,7 @@ use Drupal\Component\Plugin\Factory\DefaultFactory;
  * Defines a plugin manager used by Plugin API unit tests.
  */
 class TestPluginManager extends PluginManagerBase {
+
   public function __construct() {
 
     // Create the object that can be used to return definitions for all the
diff --git a/core/modules/system/tests/modules/theme_test/src/ThemeTestController.php b/core/modules/system/tests/modules/theme_test/src/ThemeTestController.php
index f1ed8f3a991b..c9a939000a71 100644
--- a/core/modules/system/tests/modules/theme_test/src/ThemeTestController.php
+++ b/core/modules/system/tests/modules/theme_test/src/ThemeTestController.php
@@ -119,7 +119,6 @@ class ThemeTestController extends ControllerBase {
     return ['#theme' => 'theme_test_function_suggestions'];
   }
 
-
   /**
    * Menu callback for testing includes with suggestion alter hooks.
    */
diff --git a/core/modules/system/tests/modules/update_test_schema/update_test_schema.install b/core/modules/system/tests/modules/update_test_schema/update_test_schema.install
index 972f9017616f..eef6b255aa09 100644
--- a/core/modules/system/tests/modules/update_test_schema/update_test_schema.install
+++ b/core/modules/system/tests/modules/update_test_schema/update_test_schema.install
@@ -31,6 +31,7 @@ function update_test_schema_schema() {
 $schema_version = \Drupal::state()->get('update_test_schema_version', 8000);
 
 if ($schema_version >= 8001) {
+
   /**
    * Schema version 8001.
    */
@@ -45,4 +46,5 @@ if ($schema_version >= 8001) {
     // Add a column.
     db_add_index('update_test_schema_table', 'test', ['a'], $table);
   }
+
 }
diff --git a/core/modules/system/tests/src/Functional/Batch/ProcessingTest.php b/core/modules/system/tests/src/Functional/Batch/ProcessingTest.php
index 2d7c7ae01c52..97dc6e7a5f69 100644
--- a/core/modules/system/tests/src/Functional/Batch/ProcessingTest.php
+++ b/core/modules/system/tests/src/Functional/Batch/ProcessingTest.php
@@ -175,7 +175,6 @@ class ProcessingTest extends BrowserTestBase {
     $this->assertText('Redirection successful.', 'Redirection after batch execution is correct.');
   }
 
-
   /**
    * Triggers a pass if the texts were found in order in the raw content.
    *
diff --git a/core/modules/system/tests/src/Functional/Entity/ConfigEntityImportTest.php b/core/modules/system/tests/src/Functional/Entity/ConfigEntityImportTest.php
index 6c5a9d64c59e..b69960375501 100644
--- a/core/modules/system/tests/src/Functional/Entity/ConfigEntityImportTest.php
+++ b/core/modules/system/tests/src/Functional/Entity/ConfigEntityImportTest.php
@@ -42,6 +42,7 @@ class ConfigEntityImportTest extends BrowserTestBase {
     $this->doImageStyleUpdate();
     $this->doSearchPageUpdate();
   }
+
   /**
    * Tests updating a action during import.
    */
diff --git a/core/modules/system/tests/src/Functional/Entity/Update/UpdateApiEntityDefinitionUpdateTest.php b/core/modules/system/tests/src/Functional/Entity/Update/UpdateApiEntityDefinitionUpdateTest.php
index f3285ae5d5ec..1c3c6e3e0aee 100644
--- a/core/modules/system/tests/src/Functional/Entity/Update/UpdateApiEntityDefinitionUpdateTest.php
+++ b/core/modules/system/tests/src/Functional/Entity/Update/UpdateApiEntityDefinitionUpdateTest.php
@@ -34,7 +34,6 @@ class UpdateApiEntityDefinitionUpdateTest extends BrowserTestBase {
    */
   protected $updatesManager;
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php b/core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php
index 82410fd52a7c..02bfca844126 100644
--- a/core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php
+++ b/core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php
@@ -13,6 +13,7 @@ use Drupal\Tests\BrowserTestBase;
  * @group Mail
  */
 class HtmlToTextTest extends BrowserTestBase {
+
   /**
    * Converts a string to its PHP source equivalent for display in test messages.
    *
diff --git a/core/modules/system/tests/src/Functional/Module/DependencyTest.php b/core/modules/system/tests/src/Functional/Module/DependencyTest.php
index 0fc78caa953a..d2938721a861 100644
--- a/core/modules/system/tests/src/Functional/Module/DependencyTest.php
+++ b/core/modules/system/tests/src/Functional/Module/DependencyTest.php
@@ -10,6 +10,7 @@ use Drupal\Component\Utility\Unicode;
  * @group Module
  */
 class DependencyTest extends ModuleTestBase {
+
   /**
    * Checks functionality of project namespaces for dependencies.
    */
diff --git a/core/modules/system/tests/src/Functional/Module/HookRequirementsTest.php b/core/modules/system/tests/src/Functional/Module/HookRequirementsTest.php
index a873d9652a27..2ada3a2854d9 100644
--- a/core/modules/system/tests/src/Functional/Module/HookRequirementsTest.php
+++ b/core/modules/system/tests/src/Functional/Module/HookRequirementsTest.php
@@ -8,6 +8,7 @@ namespace Drupal\Tests\system\Functional\Module;
  * @group Module
  */
 class HookRequirementsTest extends ModuleTestBase {
+
   /**
    * Assert that a module cannot be installed if it fails hook_requirements().
    */
diff --git a/core/modules/system/tests/src/Functional/System/AdminMetaTagTest.php b/core/modules/system/tests/src/Functional/System/AdminMetaTagTest.php
index dbd82cda02f0..6fcc4b848d18 100644
--- a/core/modules/system/tests/src/Functional/System/AdminMetaTagTest.php
+++ b/core/modules/system/tests/src/Functional/System/AdminMetaTagTest.php
@@ -10,6 +10,7 @@ use Drupal\Tests\BrowserTestBase;
  * @group system
  */
 class AdminMetaTagTest extends BrowserTestBase {
+
   /**
    * Verify that the meta tag HTML is generated correctly.
    */
diff --git a/core/modules/system/tests/src/Functional/System/IndexPhpTest.php b/core/modules/system/tests/src/Functional/System/IndexPhpTest.php
index 2bf098931d61..4675fed0faa0 100644
--- a/core/modules/system/tests/src/Functional/System/IndexPhpTest.php
+++ b/core/modules/system/tests/src/Functional/System/IndexPhpTest.php
@@ -10,6 +10,7 @@ use Drupal\Tests\BrowserTestBase;
  * @group system
  */
 class IndexPhpTest extends BrowserTestBase {
+
   protected function setUp() {
     parent::setUp();
   }
diff --git a/core/modules/system/tests/src/Functional/System/RetrieveFileTest.php b/core/modules/system/tests/src/Functional/System/RetrieveFileTest.php
index ef12a51adeba..cf64f079adc3 100644
--- a/core/modules/system/tests/src/Functional/System/RetrieveFileTest.php
+++ b/core/modules/system/tests/src/Functional/System/RetrieveFileTest.php
@@ -10,6 +10,7 @@ use Drupal\Tests\BrowserTestBase;
  * @group system
  */
 class RetrieveFileTest extends BrowserTestBase {
+
   /**
    * Invokes system_retrieve_file() in several scenarios.
    */
diff --git a/core/modules/system/tests/src/Functional/Update/RouterIndexOptimizationTest.php b/core/modules/system/tests/src/Functional/Update/RouterIndexOptimizationTest.php
index a3bfad256292..0a952c576b3e 100644
--- a/core/modules/system/tests/src/Functional/Update/RouterIndexOptimizationTest.php
+++ b/core/modules/system/tests/src/Functional/Update/RouterIndexOptimizationTest.php
@@ -10,6 +10,7 @@ use Drupal\FunctionalTests\Update\UpdatePathTestBase;
  * @group Update
  */
 class RouterIndexOptimizationTest extends UpdatePathTestBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/system/tests/src/Kernel/Common/SystemListingTest.php b/core/modules/system/tests/src/Kernel/Common/SystemListingTest.php
index b0412b4336fd..221daeeaeb87 100644
--- a/core/modules/system/tests/src/Kernel/Common/SystemListingTest.php
+++ b/core/modules/system/tests/src/Kernel/Common/SystemListingTest.php
@@ -11,6 +11,7 @@ use Drupal\KernelTests\KernelTestBase;
  * @group Common
  */
 class SystemListingTest extends KernelTestBase {
+
   /**
    * Tests that files in different directories take precedence as expected.
    */
diff --git a/core/modules/taxonomy/src/Plugin/views/field/TermName.php b/core/modules/taxonomy/src/Plugin/views/field/TermName.php
index 0a777e9c1cfe..eefc3e3d3fe1 100644
--- a/core/modules/taxonomy/src/Plugin/views/field/TermName.php
+++ b/core/modules/taxonomy/src/Plugin/views/field/TermName.php
@@ -31,7 +31,6 @@ class TermName extends EntityField {
     return $items;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/text/tests/src/Kernel/TextWithSummaryItemTest.php b/core/modules/text/tests/src/Kernel/TextWithSummaryItemTest.php
index a48c191b5ee7..1f4a5bfdfed9 100644
--- a/core/modules/text/tests/src/Kernel/TextWithSummaryItemTest.php
+++ b/core/modules/text/tests/src/Kernel/TextWithSummaryItemTest.php
@@ -37,7 +37,6 @@ class TextWithSummaryItemTest extends FieldKernelTestBase {
    */
   protected $field;
 
-
   protected function setUp() {
     parent::setUp();
 
diff --git a/core/modules/tracker/src/Plugin/Menu/UserTrackerTab.php b/core/modules/tracker/src/Plugin/Menu/UserTrackerTab.php
index 95264803f742..db0f2b463250 100644
--- a/core/modules/tracker/src/Plugin/Menu/UserTrackerTab.php
+++ b/core/modules/tracker/src/Plugin/Menu/UserTrackerTab.php
@@ -32,7 +32,6 @@ class UserTrackerTab extends LocalTaskDefault {
     return $this->currentUser;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Entity/User.php b/core/modules/user/src/Entity/User.php
index 979819fc8cdf..7f4f4cdc78eb 100644
--- a/core/modules/user/src/Entity/User.php
+++ b/core/modules/user/src/Entity/User.php
@@ -355,6 +355,7 @@ class User extends ContentEntityBase implements UserInterface {
   public function isAuthenticated() {
     return $this->id() > 0;
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Plugin/Block/UserLoginBlock.php b/core/modules/user/src/Plugin/Block/UserLoginBlock.php
index a9341f9b7f79..8649494b929c 100644
--- a/core/modules/user/src/Plugin/Block/UserLoginBlock.php
+++ b/core/modules/user/src/Plugin/Block/UserLoginBlock.php
@@ -64,7 +64,6 @@ class UserLoginBlock extends BlockBase implements ContainerFactoryPluginInterfac
     );
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Plugin/migrate/process/d6/UserUpdate7002.php b/core/modules/user/src/Plugin/migrate/process/d6/UserUpdate7002.php
index 0efae5d6b3d5..858fcfc9906c 100644
--- a/core/modules/user/src/Plugin/migrate/process/d6/UserUpdate7002.php
+++ b/core/modules/user/src/Plugin/migrate/process/d6/UserUpdate7002.php
@@ -54,6 +54,7 @@ class UserUpdate7002 extends ProcessPluginBase implements ContainerFactoryPlugin
       $container->get('config.factory')->get('system.date')
     );
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
index 0d5bd6bcb310..288cf6cac4c3 100644
--- a/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
@@ -37,6 +37,7 @@ class UserPicture extends DrupalSqlBase {
       'picture' => "Path to the user's uploaded picture.",
     ];
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
index 72d18fd08f36..4414198e3ae1 100644
--- a/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
@@ -68,6 +68,7 @@ class UserPictureFile extends DrupalSqlBase {
       'filename' => 'The picture filename.',
     ];
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/src/Plugin/views/access/Permission.php b/core/modules/user/src/Plugin/views/access/Permission.php
index 8d0c43dfcef7..291eb1ca8edf 100644
--- a/core/modules/user/src/Plugin/views/access/Permission.php
+++ b/core/modules/user/src/Plugin/views/access/Permission.php
@@ -100,7 +100,6 @@ class Permission extends AccessPluginBase implements CacheableDependencyInterfac
     return $this->t($this->options['perm']);
   }
 
-
   protected function defineOptions() {
     $options = parent::defineOptions();
     $options['perm'] = ['default' => 'access content'];
diff --git a/core/modules/user/src/Plugin/views/access/Role.php b/core/modules/user/src/Plugin/views/access/Role.php
index e35daa1eea93..d1fe8abcc240 100644
--- a/core/modules/user/src/Plugin/views/access/Role.php
+++ b/core/modules/user/src/Plugin/views/access/Role.php
@@ -96,7 +96,6 @@ class Role extends AccessPluginBase implements CacheableDependencyInterface {
     }
   }
 
-
   protected function defineOptions() {
     $options = parent::defineOptions();
     $options['role'] = ['default' => []];
diff --git a/core/modules/user/src/Plugin/views/field/UserData.php b/core/modules/user/src/Plugin/views/field/UserData.php
index 365ab3b746a6..1a4bb82acdd5 100644
--- a/core/modules/user/src/Plugin/views/field/UserData.php
+++ b/core/modules/user/src/Plugin/views/field/UserData.php
@@ -34,7 +34,6 @@ class UserData extends FieldPluginBase {
    */
   protected $moduleHandler;
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/user/tests/src/Functional/Views/HandlerFilterUserNameTest.php b/core/modules/user/tests/src/Functional/Views/HandlerFilterUserNameTest.php
index c2b15ff58cbf..fd6fdd2af183 100644
--- a/core/modules/user/tests/src/Functional/Views/HandlerFilterUserNameTest.php
+++ b/core/modules/user/tests/src/Functional/Views/HandlerFilterUserNameTest.php
@@ -66,7 +66,6 @@ class HandlerFilterUserNameTest extends ViewTestBase {
     }
   }
 
-
   /**
    * Tests just using the filter.
    */
diff --git a/core/modules/user/tests/src/Kernel/UserInstallTest.php b/core/modules/user/tests/src/Kernel/UserInstallTest.php
index f61811be79ff..be3336f78027 100644
--- a/core/modules/user/tests/src/Kernel/UserInstallTest.php
+++ b/core/modules/user/tests/src/Kernel/UserInstallTest.php
@@ -28,7 +28,6 @@ class UserInstallTest extends KernelTestBase {
     user_install();
   }
 
-
   /**
    * Test that the initial users have correct values.
    */
diff --git a/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php b/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
index be9376ad1dc1..2d8e092c1217 100644
--- a/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
+++ b/core/modules/user/tests/src/Unit/PrivateTempStoreTest.php
@@ -96,7 +96,6 @@ class PrivateTempStoreTest extends UnitTestCase {
     $this->otherObject->owner = 2;
   }
 
-
   /**
    * Tests the get() method.
    *
diff --git a/core/modules/views/src/Analyzer.php b/core/modules/views/src/Analyzer.php
index 6e176293072e..eb09269e059e 100644
--- a/core/modules/views/src/Analyzer.php
+++ b/core/modules/views/src/Analyzer.php
@@ -31,7 +31,6 @@ class Analyzer {
     $this->moduleHandler = $module_handler;
   }
 
-
   /**
    * Analyzes a review and return the results.
    *
diff --git a/core/modules/views/src/Plugin/Derivative/DefaultWizardDeriver.php b/core/modules/views/src/Plugin/Derivative/DefaultWizardDeriver.php
index f6a045cf32df..de9bb26c8dc2 100644
--- a/core/modules/views/src/Plugin/Derivative/DefaultWizardDeriver.php
+++ b/core/modules/views/src/Plugin/Derivative/DefaultWizardDeriver.php
@@ -11,6 +11,7 @@ use Drupal\views\Views;
  * The derivatives store all base table plugin information.
  */
 class DefaultWizardDeriver extends DeriverBase {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/Menu/ViewsMenuLink.php b/core/modules/views/src/Plugin/Menu/ViewsMenuLink.php
index b4f078fc684e..3cbfc84e0a18 100644
--- a/core/modules/views/src/Plugin/Menu/ViewsMenuLink.php
+++ b/core/modules/views/src/Plugin/Menu/ViewsMenuLink.php
@@ -126,7 +126,6 @@ class ViewsMenuLink extends MenuLinkBase implements ContainerFactoryPluginInterf
     return (bool) $this->loadView()->display_handler->getOption('menu')['expanded'];
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/views/HandlerBase.php b/core/modules/views/src/Plugin/views/HandlerBase.php
index 35689ee077dc..28dfbfcab7d4 100644
--- a/core/modules/views/src/Plugin/views/HandlerBase.php
+++ b/core/modules/views/src/Plugin/views/HandlerBase.php
@@ -313,6 +313,7 @@ abstract class HandlerBase extends PluginBase implements ViewsHandlerInterface {
   public function usesGroupBy() {
     return TRUE;
   }
+
   /**
    * Provide a form for aggregation settings.
    */
diff --git a/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php b/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
index 9bcd5ba699c9..96a41f3544c0 100644
--- a/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
+++ b/core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
@@ -398,7 +398,6 @@ abstract class ArgumentPluginBase extends HandlerBase implements CacheableDepend
     return $output;
   }
 
-
   public function validateOptionsForm(&$form, FormStateInterface $form_state) {
     $option_values = &$form_state->getValue('options');
     if (empty($option_values)) {
@@ -721,6 +720,7 @@ abstract class ArgumentPluginBase extends HandlerBase implements CacheableDepend
     $info = $this->defaultActions($this->options['validate']['fail']);
     return $this->defaultAction($info);
   }
+
   /**
    * Default action: ignore.
    *
diff --git a/core/modules/views/src/Plugin/views/cache/None.php b/core/modules/views/src/Plugin/views/cache/None.php
index d05abd2adb33..fc9b58b238bb 100644
--- a/core/modules/views/src/Plugin/views/cache/None.php
+++ b/core/modules/views/src/Plugin/views/cache/None.php
@@ -19,7 +19,6 @@ class None extends CachePluginBase {
     return $this->t('None');
   }
 
-
   /**
    * Overrides \Drupal\views\Plugin\views\cache\CachePluginBase::cacheGet().
    *
diff --git a/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php b/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php
index 567bb4f95a69..29d188c187d2 100644
--- a/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php
+++ b/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php
@@ -962,7 +962,6 @@ abstract class DisplayPluginBase extends PluginBase implements DisplayPluginInte
     return $this->dependencies;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php b/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
index f8630af08fba..80e4783164fe 100644
--- a/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
+++ b/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
@@ -457,7 +457,6 @@ interface DisplayPluginInterface {
    */
   public function execute();
 
-
   /**
    * Builds a basic render array which can be properly render cached.
    *
diff --git a/core/modules/views/src/Plugin/views/display/Feed.php b/core/modules/views/src/Plugin/views/display/Feed.php
index c664c053e256..db1bc1c73ddd 100644
--- a/core/modules/views/src/Plugin/views/display/Feed.php
+++ b/core/modules/views/src/Plugin/views/display/Feed.php
@@ -73,7 +73,6 @@ class Feed extends PathPluginBase implements ResponseDisplayPluginInterface {
     return $response;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/views/field/EntityOperations.php b/core/modules/views/src/Plugin/views/field/EntityOperations.php
index 6f0882979a4d..d31cd1ea3068 100644
--- a/core/modules/views/src/Plugin/views/field/EntityOperations.php
+++ b/core/modules/views/src/Plugin/views/field/EntityOperations.php
@@ -158,6 +158,7 @@ class EntityOperations extends FieldPluginBase {
   protected function getLanguageManager() {
     return $this->languageManager;
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/views/filter/BooleanOperator.php b/core/modules/views/src/Plugin/views/filter/BooleanOperator.php
index fa0d730f8365..81a31880c320 100644
--- a/core/modules/views/src/Plugin/views/filter/BooleanOperator.php
+++ b/core/modules/views/src/Plugin/views/filter/BooleanOperator.php
@@ -48,7 +48,6 @@ class BooleanOperator extends FilterPluginBase {
   // Whether to accept NULL as a false value or not
   public $accept_null = FALSE;
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php b/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
index fd273ddfa838..b49190b05511 100644
--- a/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
+++ b/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
@@ -656,7 +656,6 @@ abstract class FilterPluginBase extends HandlerBase implements CacheableDependen
     return FALSE;
   }
 
-
   /**
    * Validate the build group options form.
    */
@@ -835,7 +834,6 @@ abstract class FilterPluginBase extends HandlerBase implements CacheableDependen
     }
   }
 
-
   /**
    * Render our chunk of the exposed filter form when selecting
    *
@@ -1165,7 +1163,6 @@ abstract class FilterPluginBase extends HandlerBase implements CacheableDependen
     $form_state->get('force_build_group_options', TRUE);
   }
 
-
   /**
    * Make some translations to a form item to make it more suitable to
    * exposing.
@@ -1207,7 +1204,6 @@ abstract class FilterPluginBase extends HandlerBase implements CacheableDependen
     }
   }
 
-
   /**
    * Sanitizes the HTML select element's options.
    *
diff --git a/core/modules/views/src/Plugin/views/filter/GroupByNumeric.php b/core/modules/views/src/Plugin/views/filter/GroupByNumeric.php
index 577b2dfde4f1..d68970bd5a29 100644
--- a/core/modules/views/src/Plugin/views/filter/GroupByNumeric.php
+++ b/core/modules/views/src/Plugin/views/filter/GroupByNumeric.php
@@ -20,6 +20,7 @@ class GroupByNumeric extends NumericFilter {
       $this->{$info[$this->operator]['method']}($field);
     }
   }
+
   protected function opBetween($field) {
     $placeholder_min = $this->placeholder();
     $placeholder_max = $this->placeholder();
diff --git a/core/modules/views/src/Plugin/views/filter/ManyToOne.php b/core/modules/views/src/Plugin/views/filter/ManyToOne.php
index 86eb1f3361ba..1b3810cfe6f2 100644
--- a/core/modules/views/src/Plugin/views/filter/ManyToOne.php
+++ b/core/modules/views/src/Plugin/views/filter/ManyToOne.php
@@ -103,6 +103,7 @@ class ManyToOne extends InOperator {
   }
 
   protected $valueFormType = 'select';
+
   protected function valueForm(&$form, FormStateInterface $form_state) {
     parent::valueForm($form, $form_state);
 
diff --git a/core/modules/views/src/Plugin/views/filter/NumericFilter.php b/core/modules/views/src/Plugin/views/filter/NumericFilter.php
index cdfbb06bb318..ed19bee6ae67 100644
--- a/core/modules/views/src/Plugin/views/filter/NumericFilter.php
+++ b/core/modules/views/src/Plugin/views/filter/NumericFilter.php
@@ -190,6 +190,7 @@ class NumericFilter extends FilterPluginBase {
 
     return $options;
   }
+
   /**
    * Provide a simple textfield for equality
    */
diff --git a/core/modules/views/src/Plugin/views/join/JoinPluginBase.php b/core/modules/views/src/Plugin/views/join/JoinPluginBase.php
index ccf40f64e9fc..a7ac37d85f71 100644
--- a/core/modules/views/src/Plugin/views/join/JoinPluginBase.php
+++ b/core/modules/views/src/Plugin/views/join/JoinPluginBase.php
@@ -281,6 +281,7 @@ class JoinPluginBase extends PluginBase implements JoinPluginInterface {
 
     $select_query->addJoin($this->type, $right_table, $table['alias'], $condition, $arguments);
   }
+
   /**
    * Adds the extras to the join condition.
    *
diff --git a/core/modules/views/src/Plugin/views/pager/SqlBase.php b/core/modules/views/src/Plugin/views/pager/SqlBase.php
index d683202d1758..5195acff0df6 100644
--- a/core/modules/views/src/Plugin/views/pager/SqlBase.php
+++ b/core/modules/views/src/Plugin/views/pager/SqlBase.php
@@ -233,7 +233,6 @@ abstract class SqlBase extends PagerPluginBase implements CacheableDependencyInt
     $this->view->query->setOffset($offset);
   }
 
-
   /**
    * Set the current page.
    *
diff --git a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/join/JoinTest.php b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/join/JoinTest.php
index b57c970fb627..ed96decd57de 100644
--- a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/join/JoinTest.php
+++ b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/join/JoinTest.php
@@ -35,7 +35,6 @@ class JoinTest extends JoinPluginBase {
     $this->joinValue = $join_value;
   }
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/query/QueryTest.php b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/query/QueryTest.php
index 8868f75de667..230e4285036d 100644
--- a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/query/QueryTest.php
+++ b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/query/QueryTest.php
@@ -74,7 +74,6 @@ class QueryTest extends QueryPluginBase {
     $this->orderBy = ['field' => $field, 'order' => $order];
   }
 
-
   public function ensureTable($table, $relationship = NULL, JoinPluginBase $join = NULL) {
     // There is no concept of joins.
   }
diff --git a/core/modules/views/tests/src/Functional/Handler/AreaTest.php b/core/modules/views/tests/src/Functional/Handler/AreaTest.php
index d631373d23ef..cf877d137493 100644
--- a/core/modules/views/tests/src/Functional/Handler/AreaTest.php
+++ b/core/modules/views/tests/src/Functional/Handler/AreaTest.php
@@ -48,7 +48,6 @@ class AreaTest extends ViewTestBase {
     return $data;
   }
 
-
   /**
    * Tests the generic UI of a area handler.
    */
diff --git a/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
index 57eb2320b8d2..816af901fde0 100644
--- a/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
+++ b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
@@ -81,7 +81,6 @@ class ArgumentDefaultTest extends ViewTestBase {
     $this->assertIdenticalResultset($view, $expected_result, ['views_test_data_name' => 'name']);
   }
 
-
   /**
    * Tests the use of a default argument plugin that provides no options.
    */
diff --git a/core/modules/views/tests/src/Functional/Plugin/DisplayAttachmentTest.php b/core/modules/views/tests/src/Functional/Plugin/DisplayAttachmentTest.php
index 8c326baa0589..44668447c783 100644
--- a/core/modules/views/tests/src/Functional/Plugin/DisplayAttachmentTest.php
+++ b/core/modules/views/tests/src/Functional/Plugin/DisplayAttachmentTest.php
@@ -36,7 +36,6 @@ class DisplayAttachmentTest extends ViewTestBase {
     $this->drupalLogin($admin_user);
   }
 
-
   /**
    * Tests the attachment plugin.
    */
diff --git a/core/modules/views/tests/src/Functional/ViewRenderTest.php b/core/modules/views/tests/src/Functional/ViewRenderTest.php
index aaf894cd23e0..24eee7e71326 100644
--- a/core/modules/views/tests/src/Functional/ViewRenderTest.php
+++ b/core/modules/views/tests/src/Functional/ViewRenderTest.php
@@ -24,7 +24,6 @@ class ViewRenderTest extends ViewTestBase {
     $this->enableViewsTestModule();
   }
 
-
   /**
    * Tests render functionality.
    */
diff --git a/core/modules/views/tests/src/Functional/ViewsFormMultipleTest.php b/core/modules/views/tests/src/Functional/ViewsFormMultipleTest.php
index 03d5bcee8ce5..c4c709e3bfc6 100644
--- a/core/modules/views/tests/src/Functional/ViewsFormMultipleTest.php
+++ b/core/modules/views/tests/src/Functional/ViewsFormMultipleTest.php
@@ -38,7 +38,6 @@ class ViewsFormMultipleTest extends ViewTestBase {
     return $data;
   }
 
-
   /**
    * Tests the a page with multiple View forms in it.
    */
diff --git a/core/modules/views/tests/src/Kernel/Handler/ComputedFieldTest.php b/core/modules/views/tests/src/Kernel/Handler/ComputedFieldTest.php
index 8f85f6901816..ed00f68a066d 100644
--- a/core/modules/views/tests/src/Kernel/Handler/ComputedFieldTest.php
+++ b/core/modules/views/tests/src/Kernel/Handler/ComputedFieldTest.php
@@ -28,7 +28,6 @@ class ComputedFieldTest extends ViewsKernelTestBase {
    */
   public static $modules = ['entity_test'];
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/tests/src/Kernel/Handler/FilterEqualityTest.php b/core/modules/views/tests/src/Kernel/Handler/FilterEqualityTest.php
index d78f7c92e2b7..4f8c4961e390 100644
--- a/core/modules/views/tests/src/Kernel/Handler/FilterEqualityTest.php
+++ b/core/modules/views/tests/src/Kernel/Handler/FilterEqualityTest.php
@@ -146,7 +146,6 @@ class FilterEqualityTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
   }
 
-
   protected function getGroupedExposedFilters() {
     $filters = [
       'name' => [
diff --git a/core/modules/views/tests/src/Kernel/Handler/FilterStringTest.php b/core/modules/views/tests/src/Kernel/Handler/FilterStringTest.php
index 03c1b878a507..5d8f71f1723a 100644
--- a/core/modules/views/tests/src/Kernel/Handler/FilterStringTest.php
+++ b/core/modules/views/tests/src/Kernel/Handler/FilterStringTest.php
@@ -222,7 +222,6 @@ class FilterStringTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
   }
 
-
   public function testFilterStringGroupedExposedContains() {
     $filters = $this->getGroupedExposedFilters();
     $view = $this->getBasicPageView();
@@ -245,7 +244,6 @@ class FilterStringTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
   }
 
-
   public function testFilterStringWord() {
     $view = Views::getView('test_view');
     $view->setDisplay();
@@ -334,7 +332,6 @@ class FilterStringTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset);
   }
 
-
   public function testFilterStringGroupedExposedWord() {
     $filters = $this->getGroupedExposedFilters();
     $view = $this->getBasicPageView();
@@ -618,7 +615,6 @@ class FilterStringTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
   }
 
-
   public function testFilterStringGroupedExposedNot() {
     $filters = $this->getGroupedExposedFilters();
     $view = $this->getBasicPageView();
@@ -741,7 +737,6 @@ class FilterStringTest extends ViewsKernelTestBase {
     $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
   }
 
-
   public function testFilterStringEmpty() {
     $view = Views::getView('test_view');
     $view->setDisplay();
diff --git a/core/modules/views/tests/src/Kernel/Plugin/CacheTest.php b/core/modules/views/tests/src/Kernel/Plugin/CacheTest.php
index 9f6066eff314..708b4046c805 100644
--- a/core/modules/views/tests/src/Kernel/Plugin/CacheTest.php
+++ b/core/modules/views/tests/src/Kernel/Plugin/CacheTest.php
@@ -61,7 +61,6 @@ class CacheTest extends ViewsKernelTestBase {
     return $data;
   }
 
-
   /**
    * Tests time based caching.
    *
diff --git a/core/modules/views/tests/src/Kernel/QueryGroupByTest.php b/core/modules/views/tests/src/Kernel/QueryGroupByTest.php
index e4a088459fed..25d8b4a4c1dc 100644
--- a/core/modules/views/tests/src/Kernel/QueryGroupByTest.php
+++ b/core/modules/views/tests/src/Kernel/QueryGroupByTest.php
@@ -51,7 +51,6 @@ class QueryGroupByTest extends ViewsKernelTestBase {
     ConfigurableLanguage::createFromLangcode('it')->save();
   }
 
-
   /**
    * Tests aggregate count feature.
    */
diff --git a/core/modules/views/tests/src/Kernel/ViewsKernelTestBase.php b/core/modules/views/tests/src/Kernel/ViewsKernelTestBase.php
index 4bbe4028637d..af69ba1873db 100644
--- a/core/modules/views/tests/src/Kernel/ViewsKernelTestBase.php
+++ b/core/modules/views/tests/src/Kernel/ViewsKernelTestBase.php
@@ -48,6 +48,7 @@ abstract class ViewsKernelTestBase extends KernelTestBase {
       ViewTestData::createTestViews(get_class($this), ['views_test_config']);
     }
   }
+
   /**
    * Sets up the configuration and schema of views and views_test_data modules.
    *
diff --git a/core/modules/views/tests/src/Unit/EntityViewsDataTest.php b/core/modules/views/tests/src/Unit/EntityViewsDataTest.php
index 405979588eb3..a581c862a187 100644
--- a/core/modules/views/tests/src/Unit/EntityViewsDataTest.php
+++ b/core/modules/views/tests/src/Unit/EntityViewsDataTest.php
@@ -1134,16 +1134,20 @@ class TestEntityType extends ContentEntityType {
 namespace Drupal\entity_test\Entity;
 
 if (!function_exists('t')) {
+
   function t($string, array $args = []) {
     return strtr($string, $args);
   }
+
 }
 
 
 namespace Drupal\Core\Entity;
 
 if (!function_exists('t')) {
+
   function t($string, array $args = []) {
     return strtr($string, $args);
   }
+
 }
diff --git a/core/modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php b/core/modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php
index f9bd6d2f1b72..e7cd98477b33 100644
--- a/core/modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php
+++ b/core/modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php
@@ -204,6 +204,8 @@ class ViewsBlockTest extends UnitTestCase {
 namespace Drupal\views\Plugin\Block;
 
 if (!function_exists('views_add_contextual_links')) {
+
   function views_add_contextual_links() {
   }
+
 }
diff --git a/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php b/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
index a7bcf81de6f2..71ab347aa5b4 100644
--- a/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
+++ b/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
@@ -775,7 +775,9 @@ class FieldPluginBaseTestField extends FieldPluginBase {
 namespace Drupal\views\Plugin\views\field;
 
 if (!function_exists('base_path')) {
+
   function base_path() {
     return '/';
   }
+
 }
diff --git a/core/modules/views/tests/src/Unit/Routing/ViewPageControllerTest.php b/core/modules/views/tests/src/Unit/Routing/ViewPageControllerTest.php
index 9242545b7ad3..6ced52ee8471 100644
--- a/core/modules/views/tests/src/Unit/Routing/ViewPageControllerTest.php
+++ b/core/modules/views/tests/src/Unit/Routing/ViewPageControllerTest.php
@@ -182,6 +182,8 @@ class ViewPageControllerTest extends UnitTestCase {
 namespace Drupal\views\Routing;
 
 if (!function_exists('views_add_contextual_links')) {
+
   function views_add_contextual_links() {
   }
+
 }
diff --git a/core/modules/workflows/tests/src/Unit/WorkflowTest.php b/core/modules/workflows/tests/src/Unit/WorkflowTest.php
index dc77a3d2f622..c10ddf95a94d 100644
--- a/core/modules/workflows/tests/src/Unit/WorkflowTest.php
+++ b/core/modules/workflows/tests/src/Unit/WorkflowTest.php
@@ -417,7 +417,6 @@ class WorkflowTest extends UnitTestCase {
     $this->assertArrayEquals([], array_keys($workflow->getTypePlugin()->getTransitions([])));
   }
 
-
   /**
    * @covers ::getTransition
    */
@@ -474,7 +473,6 @@ class WorkflowTest extends UnitTestCase {
     $this->assertEquals(['archive'], array_keys($workflow->getTypePlugin()->getTransitionsForState('archived', 'to')));
   }
 
-
   /**
    * @covers ::getTransitionFromStateToState
    * @covers ::hasTransitionFromStateToState
diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index 29308e9ca599..128b84efa666 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -307,6 +307,11 @@
       <property name="ignoreNewlines" value="true"/>
     </properties>
   </rule>
+  <rule ref="Squiz.WhiteSpace.FunctionSpacing">
+    <properties>
+      <property name="spacing" value="1"/>
+    </properties>
+  </rule>
   <rule ref="Squiz.WhiteSpace.LanguageConstructSpacing" />
   <rule ref="Squiz.WhiteSpace.SemicolonSpacing"/>
   <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace"/>
diff --git a/core/scripts/update-countries.sh b/core/scripts/update-countries.sh
index abcc6994d45c..539d7321a93b 100755
--- a/core/scripts/update-countries.sh
+++ b/core/scripts/update-countries.sh
@@ -37,9 +37,11 @@ USAGE;
 // Fake the t() function used in CountryManager.php instead of attempting a full
 // Drupal bootstrap of core/includes/bootstrap.inc (where t() is declared).
 if (!function_exists('t')) {
+
   function t($string) {
     return $string;
   }
+
 }
 
 // Read in existing codes.
diff --git a/core/tests/Drupal/FunctionalJavascriptTests/JSWebAssert.php b/core/tests/Drupal/FunctionalJavascriptTests/JSWebAssert.php
index 281cb783487a..ce5167ae31fa 100644
--- a/core/tests/Drupal/FunctionalJavascriptTests/JSWebAssert.php
+++ b/core/tests/Drupal/FunctionalJavascriptTests/JSWebAssert.php
@@ -100,6 +100,7 @@ JS;
 
     return $result;
   }
+
   /**
    * Waits for a button (input[type=submit|image|button|reset], button) with
    * specified locator and returns it.
diff --git a/core/tests/Drupal/FunctionalTests/Image/ToolkitTest.php b/core/tests/Drupal/FunctionalTests/Image/ToolkitTest.php
index 789369ceeb7f..17c91158c265 100644
--- a/core/tests/Drupal/FunctionalTests/Image/ToolkitTest.php
+++ b/core/tests/Drupal/FunctionalTests/Image/ToolkitTest.php
@@ -8,6 +8,7 @@ namespace Drupal\FunctionalTests\Image;
  * @group Image
  */
 class ToolkitTest extends ToolkitTestBase {
+
   /**
    * Check that ImageToolkitManager::getAvailableToolkits() only returns
    * available toolkits.
diff --git a/core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php b/core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php
index 6e87495693e2..49e7193ae88e 100644
--- a/core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php
+++ b/core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php
@@ -91,7 +91,6 @@ class DistributionProfileTranslationTest extends InstallerTestBase {
     parent::setUpSettings();
   }
 
-
   /**
    * Confirms that the installation succeeded.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php b/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
index 53a87b7dbf9c..17f8ebb92c94 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
@@ -12,6 +12,7 @@ namespace Drupal\KernelTests\Core\Database;
  * @group Database
  */
 class BasicSyntaxTest extends DatabaseTestBase {
+
   /**
    * Tests string concatenation.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Database/CaseSensitivityTest.php b/core/tests/Drupal/KernelTests/Core/Database/CaseSensitivityTest.php
index cd241e5145d6..37b876c8f84d 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/CaseSensitivityTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/CaseSensitivityTest.php
@@ -8,6 +8,7 @@ namespace Drupal\KernelTests\Core\Database;
  * @group Database
  */
 class CaseSensitivityTest extends DatabaseTestBase {
+
   /**
    * Tests BINARY collation in MySQL.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php b/core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php
index 371800b73d23..f6af91fef88d 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php
@@ -11,6 +11,7 @@ use Drupal\Core\Database\IntegrityConstraintViolationException;
  * @group Database
  */
 class InvalidDataTest extends DatabaseTestBase {
+
   /**
    * Tests aborting of traditional SQL database systems with invalid data.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php b/core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php
index cd3ec4a16384..23ec66494a9e 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php
@@ -245,7 +245,6 @@ class SelectComplexTest extends DatabaseTestBase {
     $this->assertEqual($count, 4, 'Counted the correct number of records.');
   }
 
-
   /**
    * Tests that countQuery properly removes fields and expressions.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Database/SerializeQueryTest.php b/core/tests/Drupal/KernelTests/Core/Database/SerializeQueryTest.php
index 357b39feb2bd..b3299d6005ae 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/SerializeQueryTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/SerializeQueryTest.php
@@ -8,6 +8,7 @@ namespace Drupal\KernelTests\Core\Database;
  * @group Database
  */
 class SerializeQueryTest extends DatabaseTestBase {
+
   /**
    * Confirms that a query can be serialized and unserialized.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/File/ScanDirectoryTest.php b/core/tests/Drupal/KernelTests/Core/File/ScanDirectoryTest.php
index 0bd546bbef14..a096ae852677 100644
--- a/core/tests/Drupal/KernelTests/Core/File/ScanDirectoryTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/ScanDirectoryTest.php
@@ -129,7 +129,6 @@ class ScanDirectoryTest extends FileTestBase {
     $this->assertEqual(2, count($files), 'With recursion we found the expected javascript files.');
   }
 
-
   /**
    * Check that the min_depth options lets us ignore files in the starting
    * directory.
diff --git a/core/tests/Drupal/KernelTests/Core/File/UnmanagedCopyTest.php b/core/tests/Drupal/KernelTests/Core/File/UnmanagedCopyTest.php
index d3c5cd4e62a6..655bb5f398a9 100644
--- a/core/tests/Drupal/KernelTests/Core/File/UnmanagedCopyTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/UnmanagedCopyTest.php
@@ -11,6 +11,7 @@ use Drupal\Core\File\FileSystem;
  * @group File
  */
 class UnmanagedCopyTest extends FileTestBase {
+
   /**
    * Copy a normal file.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteRecursiveTest.php b/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteRecursiveTest.php
index 64045fea767a..05acac413af4 100644
--- a/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteRecursiveTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteRecursiveTest.php
@@ -8,6 +8,7 @@ namespace Drupal\KernelTests\Core\File;
  * @group File
  */
 class UnmanagedDeleteRecursiveTest extends FileTestBase {
+
   /**
    * Delete a normal file.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteTest.php b/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteTest.php
index d1cfb2e7dcee..6871f1936b8d 100644
--- a/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/UnmanagedDeleteTest.php
@@ -8,6 +8,7 @@ namespace Drupal\KernelTests\Core\File;
  * @group File
  */
 class UnmanagedDeleteTest extends FileTestBase {
+
   /**
    * Delete a normal file.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/File/UnmanagedMoveTest.php b/core/tests/Drupal/KernelTests/Core/File/UnmanagedMoveTest.php
index 8619a1507d07..2e3f50c2f098 100644
--- a/core/tests/Drupal/KernelTests/Core/File/UnmanagedMoveTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/UnmanagedMoveTest.php
@@ -11,6 +11,7 @@ use Drupal\Core\File\FileSystem;
  * @group File
  */
 class UnmanagedMoveTest extends FileTestBase {
+
   /**
    * Move a normal file.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/File/UnmanagedSaveDataTest.php b/core/tests/Drupal/KernelTests/Core/File/UnmanagedSaveDataTest.php
index 549332338825..86ea0293158c 100644
--- a/core/tests/Drupal/KernelTests/Core/File/UnmanagedSaveDataTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/UnmanagedSaveDataTest.php
@@ -8,6 +8,7 @@ namespace Drupal\KernelTests\Core\File;
  * @group File
  */
 class UnmanagedSaveDataTest extends FileTestBase {
+
   /**
    * Test the file_unmanaged_save_data() function.
    */
diff --git a/core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php b/core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php
index 854c25c8dc63..c1be007b163e 100644
--- a/core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Theme/TwigEnvironmentTest.php
@@ -155,7 +155,6 @@ class TwigEnvironmentTest extends KernelTestBase {
       ->addTag('twig.loader');
   }
 
-
   /**
    * Test template invalidation.
    */
diff --git a/core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php b/core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php
index f41824416c4f..717e32749a9e 100644
--- a/core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php
+++ b/core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php
@@ -256,6 +256,7 @@ class InspectorTest extends TestCase {
  * Quick class for testing for objects with __toString.
  */
 class StringObject {
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/Component/Plugin/PluginBaseTest.php b/core/tests/Drupal/Tests/Component/Plugin/PluginBaseTest.php
index de684885ffa6..94cf51a0f5b2 100644
--- a/core/tests/Drupal/Tests/Component/Plugin/PluginBaseTest.php
+++ b/core/tests/Drupal/Tests/Component/Plugin/PluginBaseTest.php
@@ -63,7 +63,6 @@ class PluginBaseTest extends TestCase {
     ];
   }
 
-
   /**
    * @dataProvider providerTestGetDerivativeId
    * @covers ::getDerivativeId
diff --git a/core/tests/Drupal/Tests/Component/Serialization/JsonTest.php b/core/tests/Drupal/Tests/Component/Serialization/JsonTest.php
index d12ec61e177f..036fa6639549 100644
--- a/core/tests/Drupal/Tests/Component/Serialization/JsonTest.php
+++ b/core/tests/Drupal/Tests/Component/Serialization/JsonTest.php
@@ -32,7 +32,6 @@ class JsonTest extends TestCase {
    */
   protected $htmlUnsafeEscaped;
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/Component/Utility/ArgumentsResolverTest.php b/core/tests/Drupal/Tests/Component/Utility/ArgumentsResolverTest.php
index 9099d6fa582a..70cbd4a0aa88 100644
--- a/core/tests/Drupal/Tests/Component/Utility/ArgumentsResolverTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/ArgumentsResolverTest.php
@@ -206,6 +206,7 @@ class ArgumentsResolverTest extends TestCase {
  * Provides a test class.
  */
 class TestClass {
+
   public function access($foo) {
   }
 
diff --git a/core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php b/core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php
index 231f80906e98..f6214d6f30a3 100644
--- a/core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/AccessManagerTest.php
@@ -567,6 +567,7 @@ class AccessManagerTest extends UnitTestCase {
  * Defines an interface with a defined access() method for mocking.
  */
 interface TestAccessCheckInterface extends AccessCheckInterface {
+
   public function access();
 
 }
diff --git a/core/tests/Drupal/Tests/Core/Access/AccessResultTest.php b/core/tests/Drupal/Tests/Core/Access/AccessResultTest.php
index 4467e79cbccc..f8245892292d 100644
--- a/core/tests/Drupal/Tests/Core/Access/AccessResultTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/AccessResultTest.php
@@ -985,6 +985,7 @@ class UncacheableTestAccessResult implements AccessResultInterface {
   public function __construct($value) {
     $this->value = $value;
   }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php b/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
index 6ed63aa952eb..95cacea45c6d 100644
--- a/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
@@ -162,6 +162,7 @@ if (!defined('JS_DEFAULT')) {
 }
 
 class TestMemoryBackend extends MemoryBackend {
+
   public function getAllCids() {
     return array_keys($this->cache);
   }
diff --git a/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
index 4ff4b8312884..ba0b4db532f3 100644
--- a/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
@@ -473,9 +473,11 @@ class CssCollectionRendererUnitTest extends UnitTestCase {
  * Component/Utility.
  */
 if (!function_exists('Drupal\Tests\Core\Asset\file_create_url')) {
+
   function file_create_url($uri) {
     return 'file_create_url:' . $uri;
   }
+
 }
 
 /**
@@ -483,9 +485,11 @@ if (!function_exists('Drupal\Tests\Core\Asset\file_create_url')) {
  * Component/Utility.
  */
 if (!function_exists('Drupal\Tests\Core\Asset\file_url_transform_relative')) {
+
   function file_url_transform_relative($uri) {
     return 'file_url_transform_relative:' . $uri;
   }
+
 }
 
 /**
diff --git a/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
index 59ddca0e0ceb..f2e70b9fd595 100644
--- a/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
@@ -269,9 +269,11 @@ class CssOptimizerUnitTest extends UnitTestCase {
  * Component/Utility.
  */
 if (!function_exists('Drupal\Tests\Core\Asset\file_create_url')) {
+
   function file_create_url($uri) {
     return 'file_create_url:' . $uri;
   }
+
 }
 
 /**
@@ -279,9 +281,11 @@ if (!function_exists('Drupal\Tests\Core\Asset\file_create_url')) {
  * Component/Utility.
  */
 if (!function_exists('Drupal\Tests\Core\Asset\file_url_transform_relative')) {
+
   function file_url_transform_relative($uri) {
     return 'file_url_transform_relative:' . $uri;
   }
+
 }
 
 /**
diff --git a/core/tests/Drupal/Tests/Core/Asset/LibraryDependencyResolverTest.php b/core/tests/Drupal/Tests/Core/Asset/LibraryDependencyResolverTest.php
index 6e499d9eaaea..bbd55a64beda 100644
--- a/core/tests/Drupal/Tests/Core/Asset/LibraryDependencyResolverTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/LibraryDependencyResolverTest.php
@@ -64,7 +64,6 @@ class LibraryDependencyResolverTest extends UnitTestCase {
     $this->libraryDependencyResolver = new LibraryDependencyResolver($this->libraryDiscovery);
   }
 
-
   /**
    * Provides test data for ::testGetLibrariesWithDependencies().
    */
diff --git a/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryParserTest.php b/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryParserTest.php
index cbb06668c045..7a758cdf6493 100644
--- a/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryParserTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryParserTest.php
@@ -211,7 +211,6 @@ class LibraryDiscoveryParserTest extends UnitTestCase {
     $this->assertEquals(\Drupal::VERSION, $libraries['core-versioned']['js'][0]['version']);
   }
 
-
   /**
    * Tests that the version property of external libraries is handled.
    *
@@ -399,6 +398,7 @@ class LibraryDiscoveryParserTest extends UnitTestCase {
     $this->assertEquals(FALSE, $library['js'][0]['minified']);
     $this->assertEquals(TRUE, $library['js'][1]['minified']);
   }
+
   /**
    * Tests that an exception is thrown when license is missing when 3rd party.
    *
diff --git a/core/tests/Drupal/Tests/Core/Batch/PercentagesTest.php b/core/tests/Drupal/Tests/Core/Batch/PercentagesTest.php
index 0c905e6d9801..382ae29da804 100644
--- a/core/tests/Drupal/Tests/Core/Batch/PercentagesTest.php
+++ b/core/tests/Drupal/Tests/Core/Batch/PercentagesTest.php
@@ -23,6 +23,7 @@ class PercentagesTest extends UnitTestCase {
     $actual_result = Percentage::format($total, $current);
     $this->assertEquals($actual_result, $expected_result, sprintf('The expected the batch api percentage at the state %s/%s is %s%% and got %s%%.', $current, $total, $expected_result, $actual_result));
   }
+
   /**
    * Provide data for batch unit tests.
    *
diff --git a/core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php b/core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php
index 0c06a4b86528..50b1eee1c53f 100644
--- a/core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php
+++ b/core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php
@@ -59,7 +59,6 @@ class CacheCollectorTest extends UnitTestCase {
     $this->getContainerWithCacheTagsInvalidator($this->cacheTagsInvalidator);
   }
 
-
   /**
    * Tests the resolve cache miss function.
    */
@@ -85,7 +84,6 @@ class CacheCollectorTest extends UnitTestCase {
     $this->assertEquals($value, $this->collector->get($key));
   }
 
-
   /**
    * Makes sure that NULL is a valid value and is collected.
    */
@@ -192,7 +190,6 @@ class CacheCollectorTest extends UnitTestCase {
     $this->collector->destruct();
   }
 
-
   /**
    * Tests updating the cache when the lock acquire fails.
    */
diff --git a/core/tests/Drupal/Tests/Core/Cache/CacheTest.php b/core/tests/Drupal/Tests/Core/Cache/CacheTest.php
index 446afcd883cc..5d7f26948741 100644
--- a/core/tests/Drupal/Tests/Core/Cache/CacheTest.php
+++ b/core/tests/Drupal/Tests/Core/Cache/CacheTest.php
@@ -53,7 +53,6 @@ class CacheTest extends UnitTestCase {
     $this->assertNull(Cache::validateTags($tags));
   }
 
-
   /**
    * Provides a list of pairs of cache tags arrays to be merged.
    *
@@ -102,7 +101,6 @@ class CacheTest extends UnitTestCase {
     ];
   }
 
-
   /**
    * @covers ::mergeMaxAges
    *
diff --git a/core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php b/core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php
index a14f338aeb5b..227027b3933b 100644
--- a/core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php
+++ b/core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php
@@ -190,6 +190,7 @@ class ControllerResolverTest extends UnitTestCase {
       ['Drupal\Tests\Core\Controller\MockInvokeController', 'This used __invoke().'],
     ];
   }
+
   /**
    * Tests getControllerFromDefinition() without a callable.
    */
@@ -252,6 +253,7 @@ class ControllerResolverTest extends UnitTestCase {
 }
 
 class MockController {
+
   public function getResult() {
     return 'This is a regular controller.';
   }
@@ -262,6 +264,7 @@ class MockController {
 
 }
 class MockControllerPsr7 {
+
   public function getResult() {
     return ['#markup' => 'This is a regular controller'];
   }
@@ -274,12 +277,15 @@ class MockControllerPsr7 {
 
 class MockContainerInjection implements ContainerInjectionInterface {
   protected $result;
+
   public function __construct($result) {
     $this->result = $result;
   }
+
   public static function create(ContainerInterface $container) {
     return new static('This used injection.');
   }
+
   public function getResult() {
     return $this->result;
   }
@@ -287,12 +293,14 @@ class MockContainerInjection implements ContainerInjectionInterface {
 }
 class MockContainerAware implements ContainerAwareInterface {
   use ContainerAwareTrait;
+
   public function getResult() {
     return 'This is container aware.';
   }
 
 }
 class MockInvokeController {
+
   public function __invoke() {
     return 'This used __invoke().';
   }
diff --git a/core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php b/core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php
index 19548cd79df2..7cea8076e174 100644
--- a/core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php
+++ b/core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php
@@ -12,6 +12,7 @@ use Drupal\Tests\UnitTestCase;
  * @group Database
  */
 class EmptyStatementTest extends UnitTestCase {
+
   /**
    * Tests that the empty result set behaves as empty.
    */
diff --git a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/ProxyServicesPassTest.php b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/ProxyServicesPassTest.php
index 638bd1512e88..44d45fba915c 100644
--- a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/ProxyServicesPassTest.php
+++ b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/ProxyServicesPassTest.php
@@ -29,7 +29,6 @@ class ProxyServicesPassTest extends UnitTestCase {
     $this->proxyServicesPass = new ProxyServicesPass();
   }
 
-
   /**
    * @covers ::process
    */
diff --git a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
index 848c458a7514..30a515c78b76 100644
--- a/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
+++ b/core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/TaggedHandlersPassTest.php
@@ -433,26 +433,34 @@ class TaggedHandlersPassTest extends UnitTestCase {
 interface HandlerInterface {
 }
 class ValidConsumer {
+
   public function addHandler(HandlerInterface $instance, $priority = 0) {
   }
+
   public function addNoPriority(HandlerInterface $instance) {
   }
+
   public function addWithId(HandlerInterface $instance, $id, $priority = 0) {
   }
 
 }
 class InvalidConsumer {
+
   public function addHandler($instance, $priority = 0) {
   }
 
 }
 class ValidConsumerWithExtraArguments {
+
   public function addHandler(HandlerInterface $instance, $priority = 0, $extra1 = '', $extra2 = '') {
   }
+
   public function addNoPriority(HandlerInterface $instance, $extra) {
   }
+
   public function addWithId(HandlerInterface $instance, $id, $priority = 0, $extra1 = '', $extra2 = NULL) {
   }
+
   public function addWithDifferentOrder(HandlerInterface $instance, $extra1, $priority = 0, $extra2 = 'default2', $extra3 = 'default3') {
   }
 
diff --git a/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php b/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
index 9ca4ffff8599..da041bda4e49 100644
--- a/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
+++ b/core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php
@@ -245,8 +245,10 @@ EOD;
 namespace {
 
   if (!function_exists('drupal_valid_test_ua')) {
+
     function drupal_valid_test_ua($new_prefix = NULL) {
       return FALSE;
     }
+
   }
 }
diff --git a/core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php b/core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
index a92d76abb70d..01d9ae2560af 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Access/EntityFormDisplayAccessControlHandlerTest.php
@@ -69,7 +69,6 @@ class EntityFormDisplayAccessControlHandlerTest extends UnitTestCase {
    */
   protected $entity;
 
-
   /**
    * Returns a mock Entity Type Manager.
    *
diff --git a/core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php b/core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php
index 616f6ba0a32b..81069c35d3fd 100644
--- a/core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php
@@ -29,7 +29,6 @@ class BaseFieldDefinitionTest extends UnitTestCase {
    */
   protected $fieldTypeDefinition;
 
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php b/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php
index 55928b98a6e2..6662cb22779c 100644
--- a/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php
@@ -154,6 +154,7 @@ class EntityListBuilderTest extends UnitTestCase {
 }
 
 class TestEntityListBuilder extends EntityTestListBuilder {
+
   public function buildOperations(EntityInterface $entity) {
     return [];
   }
diff --git a/core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php b/core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php
index 4e25e4e3b57a..8f89eaabc217 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Routing/DefaultHtmlRouteProviderTest.php
@@ -356,15 +356,19 @@ class TestDefaultHtmlRouteProvider extends DefaultHtmlRouteProvider {
   public function getEntityTypeIdKeyType(EntityTypeInterface $entity_type) {
     return parent::getEntityTypeIdKeyType($entity_type);
   }
+
   public function getAddPageRoute(EntityTypeInterface $entity_type) {
     return parent::getAddPageRoute($entity_type);
   }
+
   public function getAddFormRoute(EntityTypeInterface $entity_type) {
     return parent::getAddFormRoute($entity_type);
   }
+
   public function getCanonicalRoute(EntityTypeInterface $entity_type) {
     return parent::getCanonicalRoute($entity_type);
   }
+
   public function getCollectionRoute(EntityTypeInterface $entity_type) {
     return parent::getCollectionRoute($entity_type);
   }
diff --git a/core/tests/Drupal/Tests/Core/EventSubscriber/PsrResponseSubscriberTest.php b/core/tests/Drupal/Tests/Core/EventSubscriber/PsrResponseSubscriberTest.php
index f5855be83757..8529f33dc0fe 100644
--- a/core/tests/Drupal/Tests/Core/EventSubscriber/PsrResponseSubscriberTest.php
+++ b/core/tests/Drupal/Tests/Core/EventSubscriber/PsrResponseSubscriberTest.php
@@ -54,7 +54,6 @@ class PsrResponseSubscriberTest extends UnitTestCase {
     $this->psrResponseSubscriber->onKernelView($event);
   }
 
-
   /**
    * Tests altering and finished event.
    *
diff --git a/core/tests/Drupal/Tests/Core/Extension/ExtensionListTest.php b/core/tests/Drupal/Tests/Core/Extension/ExtensionListTest.php
index 80a0c7669588..3b9d09a12a8a 100644
--- a/core/tests/Drupal/Tests/Core/Extension/ExtensionListTest.php
+++ b/core/tests/Drupal/Tests/Core/Extension/ExtensionListTest.php
@@ -155,7 +155,6 @@ class ExtensionListTest extends UnitTestCase {
     $this->assertEquals('vfs://drupal_root/example/test_name/test_name.info.yml', $pathname);
   }
 
-
   /**
    * @covers ::setPathname
    * @covers ::getPathname
diff --git a/core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php b/core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php
index 8bedf0750f03..1312f40c80ce 100644
--- a/core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php
+++ b/core/tests/Drupal/Tests/Core/Field/FieldDefinitionListenerTest.php
@@ -232,7 +232,6 @@ class FieldDefinitionListenerTest extends UnitTestCase {
     $this->fieldDefinitionListener->onFieldDefinitionDelete($field_definition->reveal());
   }
 
-
   /**
    * @covers ::onFieldDefinitionDelete
    */
diff --git a/core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php b/core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php
index 76b7584186d8..8d20db5c3f1d 100644
--- a/core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php
+++ b/core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php
@@ -881,6 +881,7 @@ class FormBuilderTest extends FormTestBase {
 }
 
 class TestForm implements FormInterface {
+
   public function getFormId() {
     return 'test_form';
   }
@@ -888,11 +889,14 @@ class TestForm implements FormInterface {
   public function buildForm(array $form, FormStateInterface $form_state) {
     return test_form_id();
   }
+
   public function validateForm(array &$form, FormStateInterface $form_state) {}
+
   public function submitForm(array &$form, FormStateInterface $form_state) {}
 
 }
 class TestFormInjected extends TestForm implements ContainerInjectionInterface {
+
   public static function create(ContainerInterface $container) {
     return new static();
   }
diff --git a/core/tests/Drupal/Tests/Core/Form/FormCacheTest.php b/core/tests/Drupal/Tests/Core/Form/FormCacheTest.php
index 3ae9d6c139fb..f089bc37678c 100644
--- a/core/tests/Drupal/Tests/Core/Form/FormCacheTest.php
+++ b/core/tests/Drupal/Tests/Core/Form/FormCacheTest.php
@@ -417,7 +417,6 @@ class FormCacheTest extends UnitTestCase {
     $this->formCache->setCache($form_build_id, $form, $form_state);
   }
 
-
   /**
    * @covers ::deleteCache
    */
diff --git a/core/tests/Drupal/Tests/Core/Form/FormStateDecoratorBaseTest.php b/core/tests/Drupal/Tests/Core/Form/FormStateDecoratorBaseTest.php
index de7baa996d7a..ae42e511a27a 100644
--- a/core/tests/Drupal/Tests/Core/Form/FormStateDecoratorBaseTest.php
+++ b/core/tests/Drupal/Tests/Core/Form/FormStateDecoratorBaseTest.php
@@ -1119,6 +1119,7 @@ class FormStateDecoratorBaseTest extends UnitTestCase {
 
     $this->assertSame($values, $this->formStateDecoratorBase->getValues());
   }
+
   /**
    * @covers ::getValue
    */
diff --git a/core/tests/Drupal/Tests/Core/Form/FormStateTest.php b/core/tests/Drupal/Tests/Core/Form/FormStateTest.php
index 23579a12a9b8..aa60d61006ad 100644
--- a/core/tests/Drupal/Tests/Core/Form/FormStateTest.php
+++ b/core/tests/Drupal/Tests/Core/Form/FormStateTest.php
@@ -434,12 +434,15 @@ class FormStateTest extends UnitTestCase {
  * A test form used for the prepareCallback() tests.
  */
 class PrepareCallbackTestForm implements FormInterface {
+
   public function getFormId() {
     return 'test_form';
   }
 
   public function buildForm(array $form, FormStateInterface $form_state) {}
+
   public function validateForm(array &$form, FormStateInterface $form_state) {}
+
   public function submitForm(array &$form, FormStateInterface $form_state) {}
 
 }
diff --git a/core/tests/Drupal/Tests/Core/Mail/MailManagerTest.php b/core/tests/Drupal/Tests/Core/Mail/MailManagerTest.php
index 9ba2fb52b70c..ea523028a8dc 100644
--- a/core/tests/Drupal/Tests/Core/Mail/MailManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Mail/MailManagerTest.php
@@ -135,7 +135,6 @@ class MailManagerTest extends UnitTestCase {
     $this->assertInstanceOf('Drupal\Core\Mail\Plugin\Mail\TestMailCollector', $instance);
   }
 
-
   /**
    * Tests that mails are sent in a separate render context.
    *
@@ -163,6 +162,7 @@ class MailManagerTest extends UnitTestCase {
  * Provides a testing version of MailManager with an empty constructor.
  */
 class TestMailManager extends MailManager {
+
   /**
    * Sets the discovery for the manager.
    *
diff --git a/core/tests/Drupal/Tests/Core/Menu/LocalTaskDefaultTest.php b/core/tests/Drupal/Tests/Core/Menu/LocalTaskDefaultTest.php
index 84b91afe97d7..cc5514a76be4 100644
--- a/core/tests/Drupal/Tests/Core/Menu/LocalTaskDefaultTest.php
+++ b/core/tests/Drupal/Tests/Core/Menu/LocalTaskDefaultTest.php
@@ -317,6 +317,7 @@ class LocalTaskDefaultTest extends UnitTestCase {
 }
 
 class TestLocalTaskDefault extends LocalTaskDefault {
+
   public function setRouteProvider(RouteProviderInterface $route_provider) {
     $this->routeProvider = $route_provider;
     return $this;
diff --git a/core/tests/Drupal/Tests/Core/Password/PasswordHashingTest.php b/core/tests/Drupal/Tests/Core/Password/PasswordHashingTest.php
index a4e57eaada35..5c81b7eb2b46 100644
--- a/core/tests/Drupal/Tests/Core/Password/PasswordHashingTest.php
+++ b/core/tests/Drupal/Tests/Core/Password/PasswordHashingTest.php
@@ -76,7 +76,6 @@ class PasswordHashingTest extends UnitTestCase {
     $this->assertEquals(PhpassHashedPassword::MAX_HASH_COUNT, $hasher->enforceLog2Boundaries(100), "Max hash count enforced");
   }
 
-
   /**
    * Test a password needs update.
    *
diff --git a/core/tests/Drupal/Tests/Core/Path/AliasManagerTest.php b/core/tests/Drupal/Tests/Core/Path/AliasManagerTest.php
index ffd52dc4af43..109c7cc2c2a9 100644
--- a/core/tests/Drupal/Tests/Core/Path/AliasManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Path/AliasManagerTest.php
@@ -145,7 +145,6 @@ class AliasManagerTest extends UnitTestCase {
     $this->assertEquals($path, $this->aliasManager->getPathByAlias($alias, 'de'));
   }
 
-
   /**
    * Tests the getAliasByPath method for a path that is not in the whitelist.
    *
diff --git a/core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php b/core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php
index d74607584f37..53d16ffe2187 100644
--- a/core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php
+++ b/core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php
@@ -346,7 +346,9 @@ class ContextDefinitionIsSatisfiedTest extends UnitTestCase {
 namespace Drupal\Core\Validation;
 
 if (!function_exists('t')) {
+
   function t($string, array $args = []) {
     return strtr($string, $args);
   }
+
 }
diff --git a/core/tests/Drupal/Tests/Core/Plugin/ContextHandlerTest.php b/core/tests/Drupal/Tests/Core/Plugin/ContextHandlerTest.php
index 5cf8d9cc8bf2..f1ca26ecf7fd 100644
--- a/core/tests/Drupal/Tests/Core/Plugin/ContextHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Plugin/ContextHandlerTest.php
@@ -408,7 +408,6 @@ class ContextHandlerTest extends UnitTestCase {
     $this->contextHandler->applyContextMapping($plugin, $contexts);
   }
 
-
   /**
    * @covers ::applyContextMapping
    */
diff --git a/core/tests/Drupal/Tests/Core/Plugin/Discovery/HookDiscoveryTest.php b/core/tests/Drupal/Tests/Core/Plugin/Discovery/HookDiscoveryTest.php
index 9f4eb95dfcaf..8eb4b3d99854 100644
--- a/core/tests/Drupal/Tests/Core/Plugin/Discovery/HookDiscoveryTest.php
+++ b/core/tests/Drupal/Tests/Core/Plugin/Discovery/HookDiscoveryTest.php
@@ -135,6 +135,7 @@ class HookDiscoveryTest extends UnitTestCase {
       'test_id_2' => ['class' => 'Drupal\plugin_test\Plugin\plugin_test\fruit\Orange'],
     ];
   }
+
   protected function hookDiscoveryTest2TestPlugin() {
     return [
       'test_id_3' => ['class' => 'Drupal\plugin_test\Plugin\plugin_test\fruit\Cherry'],
diff --git a/core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php b/core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php
index a881e7c2ce72..040b1f988e1a 100644
--- a/core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php
+++ b/core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php
@@ -641,7 +641,6 @@ class BubbleableMetadataTest extends UnitTestCase {
     ];
   }
 
-
   /**
    * @covers ::addCacheableDependency
    * @dataProvider providerTestMerge
diff --git a/core/tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php b/core/tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php
index 0dcdc5829035..db463d8b40e7 100644
--- a/core/tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php
+++ b/core/tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php
@@ -42,7 +42,6 @@ class MachineNameTest extends UnitTestCase {
     return $data;
   }
 
-
   /**
    * @covers ::processMachineName
    */
@@ -112,7 +111,9 @@ class MachineNameTest extends UnitTestCase {
 namespace Drupal\Core\Render\Element;
 
 if (!function_exists('t')) {
+
   function t($string, array $args = []) {
     return strtr($string, $args);
   }
+
 }
diff --git a/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php b/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
index 253a3580dc35..8cfa0fda7c8a 100644
--- a/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
+++ b/core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php
@@ -574,6 +574,7 @@ class RendererPlaceholdersTest extends RendererTestBase {
       $this->assertEquals($expected_data, $cached_element, 'The correct data is cached: the stored #markup and #attached properties are not affected by the placeholder being replaced.');
     }
   }
+
   /**
    * @covers ::render
    * @covers ::doRender
diff --git a/core/tests/Drupal/Tests/Core/Routing/RouteBuilderTest.php b/core/tests/Drupal/Tests/Core/Routing/RouteBuilderTest.php
index d075934100d6..974df439d9bc 100644
--- a/core/tests/Drupal/Tests/Core/Routing/RouteBuilderTest.php
+++ b/core/tests/Drupal/Tests/Core/Routing/RouteBuilderTest.php
@@ -311,11 +311,13 @@ class TestRouteBuilder extends RouteBuilder {
  * Provides a callback for route definition.
  */
 class TestRouteSubscriber {
+
   public function routesFromArray() {
     return [
       'test_route.1' => new Route('/test-route/1'),
     ];
   }
+
   public function routesFromCollection() {
     $collection = new RouteCollection();
     $collection->add('test_route.2', new Route('/test-route/2'));
diff --git a/core/tests/Drupal/Tests/Core/Routing/RouteMatchTestBase.php b/core/tests/Drupal/Tests/Core/Routing/RouteMatchTestBase.php
index 4d2a914bf76e..a47ec73210fa 100644
--- a/core/tests/Drupal/Tests/Core/Routing/RouteMatchTestBase.php
+++ b/core/tests/Drupal/Tests/Core/Routing/RouteMatchTestBase.php
@@ -26,7 +26,6 @@ abstract class RouteMatchTestBase extends UnitTestCase {
    */
   abstract protected function getRouteMatch($name, Route $route, array $parameters, array $raw_parameters);
 
-
   /**
    * Provide sets of parameters and expected parameters for parameter tests.
    */
diff --git a/core/tests/Drupal/Tests/Core/Routing/RoutePreloaderTest.php b/core/tests/Drupal/Tests/Core/Routing/RoutePreloaderTest.php
index 90b4a9ddb66c..4b7c7410a64a 100644
--- a/core/tests/Drupal/Tests/Core/Routing/RoutePreloaderTest.php
+++ b/core/tests/Drupal/Tests/Core/Routing/RoutePreloaderTest.php
@@ -97,7 +97,6 @@ class RoutePreloaderTest extends UnitTestCase {
     $this->preloader->onFinishedRoutes(new Event());
   }
 
-
   /**
    * Tests onAlterRoutes with admin routes and non admin routes.
    */
diff --git a/core/tests/Drupal/Tests/Core/Session/AccountProxyTest.php b/core/tests/Drupal/Tests/Core/Session/AccountProxyTest.php
index 0e575a07ecc6..3e6d501723d5 100644
--- a/core/tests/Drupal/Tests/Core/Session/AccountProxyTest.php
+++ b/core/tests/Drupal/Tests/Core/Session/AccountProxyTest.php
@@ -47,7 +47,9 @@ class AccountProxyTest extends UnitTestCase {
 namespace Drupal\Core\Session;
 
 if (!function_exists('drupal_get_user_timezone')) {
+
   function drupal_get_user_timezone() {
     return date_default_timezone_get();
   }
+
 }
diff --git a/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php b/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
index aa980f8c951f..ef1253118711 100644
--- a/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
+++ b/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
@@ -250,6 +250,7 @@ namespace Drupal\Core\Session;
 
 // @todo remove once user_role_permissions() can be injected.
 if (!function_exists('user_role_permissions')) {
+
   function user_role_permissions(array $roles) {
     $role_permissions = [];
     foreach ($roles as $rid) {
@@ -257,4 +258,5 @@ if (!function_exists('user_role_permissions')) {
     }
     return $role_permissions;
   }
+
 }
diff --git a/core/tests/Drupal/Tests/Core/StackMiddleware/NegotiationMiddlewareTest.php b/core/tests/Drupal/Tests/Core/StackMiddleware/NegotiationMiddlewareTest.php
index 7b3a0d45da89..10d2df8b8ba2 100644
--- a/core/tests/Drupal/Tests/Core/StackMiddleware/NegotiationMiddlewareTest.php
+++ b/core/tests/Drupal/Tests/Core/StackMiddleware/NegotiationMiddlewareTest.php
@@ -142,6 +142,7 @@ class NegotiationMiddlewareTest extends UnitTestCase {
 }
 
 class StubNegotiationMiddleware extends NegotiationMiddleware {
+
   public function getContentType(Request $request) {
     return parent::getContentType($request);
   }
diff --git a/core/tests/Drupal/Tests/Core/TempStore/PrivateTempStoreTest.php b/core/tests/Drupal/Tests/Core/TempStore/PrivateTempStoreTest.php
index 0144919b2422..c289b89b58b2 100644
--- a/core/tests/Drupal/Tests/Core/TempStore/PrivateTempStoreTest.php
+++ b/core/tests/Drupal/Tests/Core/TempStore/PrivateTempStoreTest.php
@@ -93,7 +93,6 @@ class PrivateTempStoreTest extends UnitTestCase {
     $this->otherObject->owner = 2;
   }
 
-
   /**
    * Tests the get() method.
    *
diff --git a/core/tests/Drupal/Tests/Core/UnroutedUrlTest.php b/core/tests/Drupal/Tests/Core/UnroutedUrlTest.php
index 680e2fde182b..fb4b84cc934c 100644
--- a/core/tests/Drupal/Tests/Core/UnroutedUrlTest.php
+++ b/core/tests/Drupal/Tests/Core/UnroutedUrlTest.php
@@ -73,7 +73,6 @@ class UnroutedUrlTest extends UnitTestCase {
     $this->assertInstanceOf('Drupal\Core\Url', $url);
   }
 
-
   /**
    * Data provider for testFromUri().
    */
diff --git a/core/tests/Drupal/Tests/Listeners/HtmlOutputPrinter.php b/core/tests/Drupal/Tests/Listeners/HtmlOutputPrinter.php
index 80219898682f..49618b8172b6 100644
--- a/core/tests/Drupal/Tests/Listeners/HtmlOutputPrinter.php
+++ b/core/tests/Drupal/Tests/Listeners/HtmlOutputPrinter.php
@@ -20,6 +20,7 @@ else {
    */
   class HtmlOutputPrinter extends ResultPrinter {
     use HtmlOutputPrinterTrait;
+
     /**
      * {@inheritdoc}
      */
diff --git a/core/tests/Drupal/Tests/PhpunitCompatibilityTraitTest.php b/core/tests/Drupal/Tests/PhpunitCompatibilityTraitTest.php
index 145980bfe531..790831a6d7d0 100644
--- a/core/tests/Drupal/Tests/PhpunitCompatibilityTraitTest.php
+++ b/core/tests/Drupal/Tests/PhpunitCompatibilityTraitTest.php
@@ -52,6 +52,7 @@ class PhpunitCompatibilityTraitTest extends UnitTestCase {
  * Test class for \PHPUnit\Framework\TestCase in PHPUnit 4.
  */
 class Phpunit4TestClass {
+
   public function getMock($originalClassName) {
     return 'PHPUnit 4';
   }
@@ -62,6 +63,7 @@ class Phpunit4TestClass {
  * Test class for \PHPUnit\Framework\TestCase in PHPUnit 6.
  */
 class Phpunit6TestClass {
+
   public function createMock($originalClassName) {
     return 'PHPUnit 6';
   }
@@ -76,6 +78,7 @@ class Phpunit6TestClass {
  * Test double for PHPUnit_Framework_MockObject_MockBuilder.
  */
 class Mockbuilder {
+
   public function __call($name, $arguments) {
     return $this;
   }