/*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#endif
#if FOLLY_HAVE_FEATURES_H
-#include <features.h>
+#include <features.h> // @manual
#endif
#ifdef __ANDROID__
-#include <android/api-level.h>
+#include <android/api-level.h> // @manual
+#endif
+
+#ifdef __APPLE__
+#include <Availability.h> // @manual
#endif