diff --git a/headers/os/support/Referenceable.h b/headers/os/support/Referenceable.h
index 5a4fff7a6e..e7ab5d67a4 100644
--- a/headers/os/support/Referenceable.h
+++ b/headers/os/support/Referenceable.h
@@ -91,6 +91,11 @@ public:
 		}
 	}
 
+	bool IsSet() const
+	{
+		return fObject != NULL;
+	}
+
 	Type* Get() const
 	{
 		return fObject;
@@ -197,6 +202,11 @@ public:
 		fReference.Unset();
 	}
 
+	bool IsSet() const
+	{
+		return fReference.IsSet();
+	}
+
 	const Type* Get() const
 	{
 		return fReference.Get();