+gint hb_filename_type_get_by_extension(gchar *filepath);
+
+gchar *hb_filename_new_for_backup(gchar *filename);
+GPtrArray *hb_filename_backup_list(gchar *filename);
+
+gchar *hb_filename_backup_get_filtername(gchar *filename);
+
+gchar *hb_filename_new_with_extension(gchar *filename, const gchar *extension);