rd.rank_vars = get_widget_assert (builder, "variables-treeview");
rd.group_vars = get_widget_assert (builder, "group-vars-treeview");
rd.dialog = get_widget_assert (builder, "rank-dialog");
rd.rank_vars = get_widget_assert (builder, "variables-treeview");
rd.group_vars = get_widget_assert (builder, "group-vars-treeview");
rd.dialog = get_widget_assert (builder, "rank-dialog");