(null (cdr make-instance-methods))
(null (cdr allocate-instance-methods))
(null (check-initargs-1 class (plist-keys (ctor-initargs ctor))
(null (cdr make-instance-methods))
(null (cdr allocate-instance-methods))
(null (check-initargs-1 class (plist-keys (ctor-initargs ctor))