*/
void sgen_client_clear_unreachable_ephemerons (ScanCopyContext ctx);
+/*
+ * May return NULL. Must be an aligned pointer.
+ */
+gpointer sgen_client_default_metadata (void);
+gpointer sgen_client_metadata_for_object (GCObject *obj);
+
/*
* This is called for objects that are larger than one card. If it's possible to scan only
* parts of the object based on which cards are marked, do so and return TRUE. Otherwise,