- (name (required-argument) :read-only t)
- (encapsulated-fun (required-argument) :type function :read-only t)
- (encapsulation-fun (required-argument) :type function :read-only t)
- (read-stats-fun (required-argument) :type function :read-only t)
- (clear-stats-fun (required-argument) :type function :read-only t))
+ (name (missing-arg) :read-only t)
+ (encapsulated-fun (missing-arg) :type function :read-only t)
+ (encapsulation-fun (missing-arg) :type function :read-only t)
+ (read-stats-fun (missing-arg) :type function :read-only t)
+ (clear-stats-fun (missing-arg) :type function :read-only t))