+ #:define-boxed-opaque-accessor
+ #:glib-defcallback
+ #:create-signal-handler-closure
+ #:save-handler-to-object
+ #:retrieve-handler-from-object
+ #:delete-handler-from-object
+ #:disconnect-signal
+ #:define-cb-methods
+ #:create-fn-ref
+ #:copy-boxed-slots-to-foreign
+ #:with-foreign-boxed-array
+ #:get-g-type-definition)