int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret);
void bus_wait_for_jobs_free(BusWaitForJobs *d);
int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path);
-int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char** extra_args);
+int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args);
int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet);
DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);