+void ui_tasktree_load_settings();
+void ui_tasktree_save_settings();
+struct task *ui_tasktree_get_selected_task();
+void ui_tasktree_set_selected_task(const char *uuid);
+const char *ui_tasktree_get_task_uuid();
+void ui_tasktree_update(struct task **, const char *);
+void ui_tasktree_update_filter(const char *);