@@ -242,10 +242,11 @@
     void *_Nullable bytes);
 extern void *_Nullable objc_destructInstance(id _Nullable object);
 extern void *_Null_unspecified objc_autoreleasePoolPush(void);
 extern void objc_autoreleasePoolPop(void *_Null_unspecified pool);
 extern id _Nullable _objc_rootAutorelease(id _Nullable object);
+extern void objc_setTaggedPointerSecret(uintptr_t secret);
 extern int objc_registerTaggedPointerClass(Class _Nonnull class);
 extern Class _Nullable object_getTaggedPointerClass(id _Nonnull object);
 extern uintptr_t object_getTaggedPointerValue(id _Nonnull object);
 extern id _Nullable objc_createTaggedPointer(int class, uintptr_t value);