diff --git a/local/kaltura/API/KalturaClientBase.php b/local/kaltura/API/KalturaClientBase.php
index 83083762..3f8fd892 100644
--- a/local/kaltura/API/KalturaClientBase.php
+++ b/local/kaltura/API/KalturaClientBase.php
@@ -48,20 +48,24 @@ function __get($name)
         return new MultiRequestSubResult($this->value . ':' . $name);
 	}
 
+	#[\ReturnTypeWillChange]
 	public function offsetExists($offset)
 	{
 		return true;
 	}
 
+	#[\ReturnTypeWillChange]
 	public function offsetGet($offset)
 	{
         return new MultiRequestSubResult($this->value . ':' . $offset);
 	}
 
+	#[\ReturnTypeWillChange]
 	public function offsetSet($offset, $value)
 	{
 	}
 
+	#[\ReturnTypeWillChange]
 	public function offsetUnset($offset)
 	{
 	}