diff --git a/Classes/Cache/Listener/StaticCacheableListener.php b/Classes/Cache/Listener/StaticCacheableListener.php
index 73409911323..694890948e8 100644
--- a/Classes/Cache/Listener/StaticCacheableListener.php
+++ b/Classes/Cache/Listener/StaticCacheableListener.php
@@ -24,8 +24,10 @@ public function __invoke(CacheRuleEvent $event): void
     {
         if (($GLOBALS['TSFE'] ?? null) instanceof TypoScriptFrontendController) {
             if (GeneralUtility::makeInstance(Typo3Version::class)->getMajorVersion() >= 13) {
+                /* @phpstan-ignore-next-line */
                 $isStaticCacheble = $GLOBALS['TSFE']->isStaticCacheble($event->getRequest());
             } else {
+                /* @phpstan-ignore-next-line */
                 $isStaticCacheble = $GLOBALS['TSFE']->isStaticCacheble();
             }
             if(!$isStaticCacheble) {
diff --git a/Classes/Cache/Rule/NoNoCache.php b/Classes/Cache/Rule/NoNoCache.php
index 8349338a737..9665d526f0d 100644
--- a/Classes/Cache/Rule/NoNoCache.php
+++ b/Classes/Cache/Rule/NoNoCache.php
@@ -18,6 +18,7 @@ class NoNoCache extends AbstractRule
     public function checkRule(ServerRequestInterface $request, array &$explanation, bool &$skipProcessing): void
     {
         $tsfe = $GLOBALS['TSFE'] ?? null;
+        /* @phpstan-ignore-next-line */
         if ($tsfe instanceof TypoScriptFrontendController && $tsfe->no_cache) {
             $explanation[__CLASS__] = 'config.no_cache is true';
         }
diff --git a/Classes/Middleware/GenerateMiddleware.php b/Classes/Middleware/GenerateMiddleware.php
index 69e8027c31b..9c7cbf1228e 100644
--- a/Classes/Middleware/GenerateMiddleware.php
+++ b/Classes/Middleware/GenerateMiddleware.php
@@ -18,6 +18,8 @@
 use SFC\Staticfilecache\Service\DateTimeService;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+use TYPO3\CMS\Frontend\Event\AfterCachedPageIsPersistedEvent;
+use TYPO3\CMS\Frontend\Event\ModifyCacheLifetimeForPageEvent;
 
 class GenerateMiddleware implements MiddlewareInterface
 {
@@ -82,6 +84,10 @@ protected function calculateLifetime(TypoScriptFrontendController $tsfe): int
             // $this->logger->warning('TSFE to not contains a valid page record?! Please check: https://github.com/lochmueller/staticfilecache/issues/150');
             return 0;
         }
+
+        // @todo migrate for v13 to Events
+        // Check ModifyCacheLifetimeForPageEvent & AfterCachedPageIsPersistedEvent
+
         $timeOutTime = $tsfe->get_cache_timeout();
 
         // If page has a endtime before the current timeOutTime, use it instead: