diff --git a/Build/php-cs-fixer/header-comment.php b/Build/php-cs-fixer/header-comment.php
index 01b577f22a81ae157d7b3943c08277899323dec4..d259b4d47938bf6a131312bcb4d71753666518c6 100644
--- a/Build/php-cs-fixer/header-comment.php
+++ b/Build/php-cs-fixer/header-comment.php
@@ -20,46 +20,19 @@ if (PHP_SAPI !== 'cli') {
 }
 
 $finder = PhpCsFixer\Finder::create()
-    ->files()
     ->name('*.php')
-    ->in([
-        __DIR__ . '/../../typo3/sysext/*/Classes/',
-        __DIR__ . '/../../typo3/sysext/*/Tests/',
-        __DIR__ . '/../../typo3/sysext/core/Tests/Functional/Fixtures/Extensions/irre_tutorial/Classes/',
-        __DIR__ . '/../../typo3/sysext/core/Tests/Functional/Fixtures/Extensions/test_datahandler/Classes/',
-        __DIR__ . '/../../typo3/sysext/core/Tests/Functional/Fixtures/Extensions/test_meta/Classes/',
-        __DIR__ . '/../../typo3/sysext/extbase/Tests/Functional/Fixtures/Extensions/blog_example/Classes/',
-        __DIR__ . '/../../typo3/sysext/extbase/Tests/Functional/Fixtures/Extensions/class_overriding/a/Classes/',
-        __DIR__ . '/../../typo3/sysext/extbase/Tests/Functional/Fixtures/Extensions/class_overriding/b/Classes/',
-        __DIR__ . '/../../typo3/sysext/fluid/Tests/Functional/Fixtures/Extensions/fluid_test/Classes/',
-    ])
-    ->exclude('Unit/Core/Fixtures/test_extension/') // EXT:core
-    ->exclude('Functional/Configuration/SiteConfiguration/Fixtures/Extensions/conf_overriding/') // EXT:core
-    ->exclude('Functional/Fixtures/Extensions/irre_tutorial/') // EXT:core
-    ->exclude('Functional/Fixtures/Extensions/test_datahandler/') // EXT:core
-    ->exclude('Functional/Fixtures/Extensions/test_meta/') // EXT:core
-    ->exclude('Functional/Fixtures/Extensions/test_resources/') // EXT:core
-    ->exclude('Functional/Category/Collection/Fixtures/Extensions/test/') // EXT:core
-    ->exclude('Functional/Database/Fixtures/Extensions/test_expressionbuilder/') // EXT:core
-    ->exclude('Unit/Http/Fixtures/Package1') // EXT:core
-    ->exclude('Unit/Http/Fixtures/Package2') // EXT:core
-    ->exclude('Unit/Http/Fixtures/Package2Disables1') // EXT:core
-    ->exclude('Unit/Http/Fixtures/Package2Replaces1') // EXT:core
-    ->exclude('Functional/Fixtures/Extensions/blog_example/') // EXT:extbase
-    ->exclude('Functional/Fixtures/Extensions/class_overriding/a/') // EXT:extbase
-    ->exclude('Functional/Fixtures/Extensions/class_overriding/b/') // EXT:extbase
-    ->exclude('Functional/Fixtures/Extensions/template_extension/') // EXT:impexp
-    ->exclude('Functional/Hooks/Fixtures/test_resources/') // EXT:form
-    ->exclude('Functional/Fixtures/Extensions/fluid_test/') // EXT:fluid
-    ->exclude('Unit/Service/Fixtures/') // EXT:form
+    ->in(__DIR__ . '/../../typo3/sysext')
     ->exclude('Acceptance/Support/_generated') // EXT:core
-    ->notName('Rfc822AddressesParser.php')
+    // Configuration files do not need header comments
+    ->exclude('Configuration')
+    ->notName('*locallang*.php')
     ->notName('AdditionalConfiguration.php')
     ->notName('ext_localconf.php')
     ->notName('ext_tables.php')
     ->notName('ext_emconf.php')
-    ->notName('install.php')
-    ->notName('index.php')
+    // Third-party inclusion files should not have a changed comment
+    ->notName('Rfc822AddressesParser.php')
+    ->notName('ClassMapGenerator.php')
 ;
 
 $headerComment = <<<COMMENT
diff --git a/typo3/sysext/backend/Classes/View/PageLayoutContext.php b/typo3/sysext/backend/Classes/View/PageLayoutContext.php
index b430589cee36e38e14b9cd60c1d905eaecf4950f..f73ba3ad1cddcd169292839d1ace24c0f52b9532 100644
--- a/typo3/sysext/backend/Classes/View/PageLayoutContext.php
+++ b/typo3/sysext/backend/Classes/View/PageLayoutContext.php
@@ -2,6 +2,19 @@
 
 declare(strict_types=1);
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace TYPO3\CMS\Backend\View;
 
 /*
diff --git a/typo3/sysext/backend/Migrations/Code/ClassAliasMap.php b/typo3/sysext/backend/Migrations/Code/ClassAliasMap.php
index 80031842715ad0dd1464cec8685e117a7a11e538..c7a5897bda287fa32de99101741372cd669685c0 100644
--- a/typo3/sysext/backend/Migrations/Code/ClassAliasMap.php
+++ b/typo3/sysext/backend/Migrations/Code/ClassAliasMap.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 return [
     'TYPO3\\CMS\\Lowlevel\\Utility\\ArrayBrowser' => \TYPO3\CMS\Backend\View\ArrayBrowser::class
 ];
diff --git a/typo3/sysext/backend/Migrations/Code/LegacyClassesForIde.php b/typo3/sysext/backend/Migrations/Code/LegacyClassesForIde.php
index 6eaf0e4f07109aced202eb2bf4b676a35215d156..4916833e6942092c9479db2e708d3c3edb7fc37f 100644
--- a/typo3/sysext/backend/Migrations/Code/LegacyClassesForIde.php
+++ b/typo3/sysext/backend/Migrations/Code/LegacyClassesForIde.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace {
     die('Access denied');
 }
diff --git a/typo3/sysext/backend/Resources/Private/Php/backend.php b/typo3/sysext/backend/Resources/Private/Php/backend.php
index 737d56ac4cd8b0385b307536e8c53e149a57194e..68b300f97c29683175f484375d25637d9e429eb8 100644
--- a/typo3/sysext/backend/Resources/Private/Php/backend.php
+++ b/typo3/sysext/backend/Resources/Private/Php/backend.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * This file is part of the TYPO3 CMS project.
  *
diff --git a/typo3/sysext/core/Classes/Database/Query/Restriction/LimitToTablesRestrictionContainer.php b/typo3/sysext/core/Classes/Database/Query/Restriction/LimitToTablesRestrictionContainer.php
index bd191ba813f2fbcdd43cfea50e19fce8b2312b8b..e16c1badff277d433067f95d9750a3c3cc27a0b7 100644
--- a/typo3/sysext/core/Classes/Database/Query/Restriction/LimitToTablesRestrictionContainer.php
+++ b/typo3/sysext/core/Classes/Database/Query/Restriction/LimitToTablesRestrictionContainer.php
@@ -1,7 +1,6 @@
 <?php
 
 declare(strict_types=1);
-namespace TYPO3\CMS\Core\Database\Query\Restriction;
 
 /*
  * This file is part of the TYPO3 CMS project.
@@ -16,6 +15,8 @@ namespace TYPO3\CMS\Core\Database\Query\Restriction;
  * The TYPO3 project - inspiring people to share!
  */
 
+namespace TYPO3\CMS\Core\Database\Query\Restriction;
+
 use TYPO3\CMS\Core\Database\Query\Expression\CompositeExpression;
 use TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;
 
diff --git a/typo3/sysext/core/Migrations/Code/ClassAliasMap.php b/typo3/sysext/core/Migrations/Code/ClassAliasMap.php
index 1634c1e1b5e9fbc11066f3e061731ae900057ec2..08cde34b7f07a74c45e403d31e0e779a8144160d 100644
--- a/typo3/sysext/core/Migrations/Code/ClassAliasMap.php
+++ b/typo3/sysext/core/Migrations/Code/ClassAliasMap.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 return [
     'TYPO3\\CMS\\Frontend\\Page\\PageRepository' => \TYPO3\CMS\Core\Domain\Repository\PageRepository::class,
     'TYPO3\\CMS\\Frontend\\Page\\PageRepositoryGetPageHookInterface' => \TYPO3\CMS\Core\Domain\Repository\PageRepositoryGetPageHookInterface::class,
diff --git a/typo3/sysext/core/Migrations/Code/LegacyClassesForIde.php b/typo3/sysext/core/Migrations/Code/LegacyClassesForIde.php
index cbb84dc5f96384e7dee63b9528204aed4bf6432b..595993a35f374dc112b9a58fe5b262b9831b464b 100644
--- a/typo3/sysext/core/Migrations/Code/LegacyClassesForIde.php
+++ b/typo3/sysext/core/Migrations/Code/LegacyClassesForIde.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace {
     die('Access denied');
 }
diff --git a/typo3/sysext/core/Resources/PHP/GlobalDebugFunctions.php b/typo3/sysext/core/Resources/PHP/GlobalDebugFunctions.php
index 4b3973eee971c92b68977a87664fb77b982d7ec0..1b9a8cdca6359b054c0762448a7f901deaf5d386 100644
--- a/typo3/sysext/core/Resources/PHP/GlobalDebugFunctions.php
+++ b/typo3/sysext/core/Resources/PHP/GlobalDebugFunctions.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 // Short-hand debug function
 // If you wish to use the debug()-function, and it does not output something,
 // please edit the IP mask in TYPO3_CONF_VARS
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/ClassAliasMap.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/ClassAliasMap.php
index 882d1334dc4133d024d2b09b02ef5ae4279de33b..de995421f6597b9a9528ff672f3540226be5bae6 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/ClassAliasMap.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/ClassAliasMap.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 return [
     'foo' => \TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP\Test::class,
     'bar' => \TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP\AnotherTestFile::class,
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/WrongClassAliasMap.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/WrongClassAliasMap.php
index b3d9bbc7f3711e882119cd6b3af051245d859d04..2db20159bf5956daa83f643e555a1decfbc8f572 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/WrongClassAliasMap.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Migrations/Code/WrongClassAliasMap.php
@@ -1 +1,14 @@
 <?php
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/AnotherTestFile.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/AnotherTestFile.php
index 1ac4a07ba542da076372a8a2d74303778d6c6534..c9c5e0731c2ded77dab0e4621e05ab66174b187f 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/AnotherTestFile.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/AnotherTestFile.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP;
 
 /**
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/ClassAliasMap.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/ClassAliasMap.php
index 882d1334dc4133d024d2b09b02ef5ae4279de33b..de995421f6597b9a9528ff672f3540226be5bae6 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/ClassAliasMap.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/ClassAliasMap.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 return [
     'foo' => \TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP\Test::class,
     'bar' => \TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP\AnotherTestFile::class,
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Subdirectory/SubdirectoryTest.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Subdirectory/SubdirectoryTest.php
index 47c25f49a624d4df3c5fafca958beba4a6dc5138..d719704e8a2ec02689d71a3beb12b976c6d27c9a 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Subdirectory/SubdirectoryTest.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Subdirectory/SubdirectoryTest.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP\Subdirectory;
 
 /**
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Test.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Test.php
index 68b7d0bffa3fa707ca414b7a245ac57ecc5409e4..3917a0c137267d55650ca7edec3a7b7c104fa2f8 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Test.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Resources/PHP/Test.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace TYPO3\CMS\Core\Tests\Unit\Core\Fixtures\test_extension\Resources\PHP;
 
 /**
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Tests/TestClass.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Tests/TestClass.php
index eee7fda713c65757ee0f22790df209c1c931c440..e6084c12a7b3a1d7adc9b345ae4d40eef106a739 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Tests/TestClass.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/Tests/TestClass.php
@@ -1,8 +1,18 @@
 <?php
 
-/**
- * Class TestClass
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
  */
+
 class TestClass
 {
 }
diff --git a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/class.ext_update.php b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/class.ext_update.php
index 67ec4a5aba61af6f0e25dfc7eed0ecea9b7586ca..01bd18c5f4c4d108dae33f9e7e12321b356450c9 100644
--- a/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/class.ext_update.php
+++ b/typo3/sysext/core/Tests/Unit/Core/Fixtures/test_extension/class.ext_update.php
@@ -1,5 +1,18 @@
 <?php
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 /**
  * Class ext_update
  */
diff --git a/typo3/sysext/core/Tests/Unit/Database/Query/Restriction/LimitToTablesRestrictionContainerTest.php b/typo3/sysext/core/Tests/Unit/Database/Query/Restriction/LimitToTablesRestrictionContainerTest.php
index c3355398573e50b81053fda5caaaee055b78ad4d..3da316b155effa79d96251fffaf2b251ddd26ab0 100644
--- a/typo3/sysext/core/Tests/Unit/Database/Query/Restriction/LimitToTablesRestrictionContainerTest.php
+++ b/typo3/sysext/core/Tests/Unit/Database/Query/Restriction/LimitToTablesRestrictionContainerTest.php
@@ -1,7 +1,6 @@
 <?php
 
 declare(strict_types=1);
-namespace TYPO3\CMS\Core\Tests\Unit\Database\Query\Restriction;
 
 /*
  * This file is part of the TYPO3 CMS project.
@@ -16,6 +15,8 @@ namespace TYPO3\CMS\Core\Tests\Unit\Database\Query\Restriction;
  * The TYPO3 project - inspiring people to share!
  */
 
+namespace TYPO3\CMS\Core\Tests\Unit\Database\Query\Restriction;
+
 use TYPO3\CMS\Core\Database\Query\Restriction\DefaultRestrictionContainer;
 use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
 use TYPO3\CMS\Core\Database\Query\Restriction\HiddenRestriction;
diff --git a/typo3/sysext/extbase/Classes/Mvc/View/GenericViewResolver.php b/typo3/sysext/extbase/Classes/Mvc/View/GenericViewResolver.php
index 766c85c4393bddf4f95b8cbd7049016d69a83de3..6d221c69a2441704a2a0f7119abe269249f8e7ca 100644
--- a/typo3/sysext/extbase/Classes/Mvc/View/GenericViewResolver.php
+++ b/typo3/sysext/extbase/Classes/Mvc/View/GenericViewResolver.php
@@ -2,8 +2,6 @@
 
 declare(strict_types=1);
 
-namespace TYPO3\CMS\Extbase\Mvc\View;
-
 /*
  * This file is part of the TYPO3 CMS project.
  *
@@ -17,6 +15,8 @@ namespace TYPO3\CMS\Extbase\Mvc\View;
  * The TYPO3 project - inspiring people to share!
  */
 
+namespace TYPO3\CMS\Extbase\Mvc\View;
+
 use TYPO3\CMS\Extbase\Object\ObjectManager;
 
 /**
diff --git a/typo3/sysext/extbase/Classes/Mvc/View/ViewResolverInterface.php b/typo3/sysext/extbase/Classes/Mvc/View/ViewResolverInterface.php
index 27ee2f9c334942b8e5769e77aa776380bbb4719b..31f83241d62f0dc26a6114f340a9db8f68d33fbe 100644
--- a/typo3/sysext/extbase/Classes/Mvc/View/ViewResolverInterface.php
+++ b/typo3/sysext/extbase/Classes/Mvc/View/ViewResolverInterface.php
@@ -2,6 +2,19 @@
 
 declare(strict_types=1);
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 namespace TYPO3\CMS\Extbase\Mvc\View;
 
 /**
diff --git a/typo3/sysext/frontend/Resources/Private/Php/frontend.php b/typo3/sysext/frontend/Resources/Private/Php/frontend.php
index 4681a4a5cf399c1e019819bec187f36668469d69..1e49d8e86dd6fe60437a10d0af66d4e72694e3f9 100644
--- a/typo3/sysext/frontend/Resources/Private/Php/frontend.php
+++ b/typo3/sysext/frontend/Resources/Private/Php/frontend.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * This file is part of the TYPO3 CMS project.
  *
diff --git a/typo3/sysext/install/Resources/Private/Php/install.php b/typo3/sysext/install/Resources/Private/Php/install.php
index b0a70eeab749c76c8057d3488e7e3dfab3ac02cf..dc962f5942cea49a843cc8d05e8ec42a76b4817a 100644
--- a/typo3/sysext/install/Resources/Private/Php/install.php
+++ b/typo3/sysext/install/Resources/Private/Php/install.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * This file is part of the TYPO3 CMS project.
  *