first commit

typo3/sysext/t3editor/Migrations/Code/ClassAliasMap.php

@@ -0,0 +1,5 @@
+<?php
+return [
+    'TYPO3\\CMS\\T3editor\\CodeCompletion' => \TYPO3\CMS\T3editor\Controller\CodeCompletionController::class,
+    'TYPO3\\CMS\\T3editor\\TypoScriptReferenceLoader' => \TYPO3\CMS\T3editor\Controller\TypoScriptReferenceController::class,
+];

typo3/sysext/t3editor/Migrations/Code/LegacyClassesForIde.php

@@ -0,0 +1,20 @@
+<?php
+namespace {
+    die('Access denied');
+}
+
+namespace TYPO3\CMS\T3editor {
+    /**
+     * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0
+     */
+    class CodeCompletion extends \TYPO3\CMS\T3editor\Controller\CodeCompletionController
+    {
+    }
+
+    /**
+     * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0
+     */
+    class TypoScriptReferenceLoader extends \TYPO3\CMS\T3editor\Controller\TypoScriptReferenceController
+    {
+    }
+}