diff --git a/Neos.ContentRepository.Core/Classes/Projection/ContentGraph/PropertyCollection.php b/Neos.ContentRepository.Core/Classes/Projection/ContentGraph/PropertyCollection.php
index cf48da52907..f673a3cfc5d 100644
--- a/Neos.ContentRepository.Core/Classes/Projection/ContentGraph/PropertyCollection.php
+++ b/Neos.ContentRepository.Core/Classes/Projection/ContentGraph/PropertyCollection.php
@@ -19,9 +19,12 @@
 
 /**
  * The property collection that provides access to the serialized and deserialized properties of a node
+ *
+ * @implements \ArrayAccess<string,mixed>
+ * @implements \IteratorAggregate<string,mixed>
  * @api This object should not be instantiated by 3rd parties, but it is part of the {@see Node} read model
  */
-final class PropertyCollection
+final class PropertyCollection implements \ArrayAccess, \IteratorAggregate
 {
     /**
      * Properties from Nodes