(slot :initarg :slot :type sod-slot :reader effective-slot-direct-slot)
(initializer :initarg :initializer :type (or sod-initializer null)
:reader effective-slot-initializer))
(slot :initarg :slot :type sod-slot :reader effective-slot-direct-slot)
(initializer :initarg :initializer :type (or sod-initializer null)
:reader effective-slot-initializer))