(gobject:define-genum "GtkAccessibleSort" accessible-sort
  (:export t
   :type-initializer "gtk_accessible_sort_get_type")
  :none
  :ascending
  :descending
  :other)  

:none

There is no defined sort applied to the column.

:ascending

Items are sorted in ascending order by this column.

:descending

Items are sorted in descending order by this column.

:other

A sort algorithm other than ascending or descending has been applied.