+int bus_parse_strv(DBusMessage *m, char ***_l);
+int bus_parse_strv_iter(DBusMessageIter *iter, char ***_l);
+
+int bus_append_strv_iter(DBusMessageIter *iter, char **l);
+
+int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next);
+
+int generic_print_property(const char *name, DBusMessageIter *iter, bool all);
+