sig
  external create :
    [> `treemodel ] Gtk.obj -> Gtk.tree_path -> Gtk.row_reference
    = "ml_gtk_tree_row_reference_new"
  external get_path : Gtk.row_reference -> Gtk.tree_path
    = "ml_gtk_tree_row_reference_get_path"
  external valid : Gtk.row_reference -> bool
    = "ml_gtk_tree_row_reference_valid"
end