bool upb_def_isfrozen(const upb_def *def) { return upb_refcounted_isfrozen(upb_upcast(def)); }
bool upb_handlers_isfrozen(const upb_handlers *h) { return upb_refcounted_isfrozen(UPB_UPCAST(h)); }
bool upb_def_isfrozen(const upb_def *def) { return upb_refcounted_isfrozen(UPB_UPCAST(def)); }