diff --git a/utils/properties.h b/utils/properties.h
index 641df91..f5816cb 100644
--- a/utils/properties.h
+++ b/utils/properties.h
@@ -73,3 +73,8 @@
 }
 
 #endif
+
+class Properties {
+ public:
+  static auto IsPresentFenceNotReliable() -> bool;
+};