diff --git a/Classes/Aspect/ContentCacheSegmentAspect.php b/Classes/Aspect/ContentCacheSegmentAspect.php
index 34b3e55..c3c0616 100644
--- a/Classes/Aspect/ContentCacheSegmentAspect.php
+++ b/Classes/Aspect/ContentCacheSegmentAspect.php
@@ -88,8 +88,10 @@ public function wrapCachedSegment(JoinPointInterface $joinPoint): string
 
     /**
      * @Flow\Around("method(Neos\Fusion\Core\Cache\RuntimeContentCache->evaluateUncached()) && t3n\Neos\Debug\Aspect\ContentCacheSegmentAspect->debuggingActive")
+     *
+     * @return mixed the result of uncached segments might not be of type string, so we cannot define the return type
      */
-    public function wrapEvaluateUncached(JoinPointInterface $joinPoint): string
+    public function wrapEvaluateUncached(JoinPointInterface $joinPoint)
     {
         $start = microtime(true);
         $segment = $joinPoint->getAdviceChain()->proceed($joinPoint);
@@ -170,8 +172,10 @@ public function interceptFusionObject(JoinPointInterface $joinPoint): void
     /**
      * @param mixed $segment This is mixed as the RuntimeContentCache might also return none string values
      * @param mixed[] $info
+     *
+     * @return mixed the cached data might not be of type string, so we cannot define the return type
      */
-    protected function renderCacheInfoIntoSegment($segment, array $info): string
+    protected function renderCacheInfoIntoSegment($segment, array $info)
     {
         $injectPosition = 2;
         $info = array_slice($info, 0, $injectPosition, true)