first commit

typo3/sysext/backend/Migrations/Code/ClassAliasMap.php

@@ -0,0 +1,6 @@
+<?php
+return [
+    'TYPO3\\CMS\\Backend\\AjaxLoginHandler' => \TYPO3\CMS\Backend\Controller\AjaxLoginController::class,
+    'TYPO3\\CMS\\Backend\\Form\\Wizard\\ImageManipulationWizard' => \TYPO3\CMS\Backend\Controller\Wizard\ImageManipulationController::class,
+    'TYPO3\\CMS\\Cshmanual\\Domain\\Repository\\TableManualRepository' => \TYPO3\CMS\Backend\Domain\Repository\TableManualRepository::class,
+];

typo3/sysext/backend/Migrations/Code/LegacyClassesForIde.php

@@ -0,0 +1,31 @@
+<?php
+namespace {
+    die('Access denied');
+}
+
+namespace TYPO3\CMS\Backend {
+    /**
+     * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0
+     */
+    class AjaxLoginHandler extends \TYPO3\CMS\Backend\Controller\AjaxLoginController
+    {
+    }
+}
+
+namespace TYPO3\CMS\Backend\Form\Wizard {
+    /**
+     * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0
+     */
+    class ImageManipulationWizard extends \TYPO3\CMS\Backend\Controller\Wizard\ImageManipulationController
+    {
+    }
+}
+
+namespace TYPO3\CMS\Cshmanual\Domain\Repository {
+    /**
+     * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0
+     */
+    class TableManualRepository extends \TYPO3\CMS\Backend\Domain\Repository\TableManualRepository
+    {
+    }
+}