-int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
-int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
+// UNNEEDED int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
+// UNNEEDED int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);