const char* systemd_running_as_to_string(SystemdRunningAs i) _const_;
SystemdRunningAs systemd_running_as_from_string(const char *s) _pure_;
const char* systemd_running_as_to_string(SystemdRunningAs i) _const_;
SystemdRunningAs systemd_running_as_from_string(const char *s) _pure_;