(defknown class-name (sb!xc:class) name-for-class (flushable))
(defknown find-class (name-for-class &optional t lexenv)
(or sb!xc:class null) ())
(defknown class-name (sb!xc:class) name-for-class (flushable))
(defknown find-class (name-for-class &optional t lexenv)
(or sb!xc:class null) ())