+int mount_add_node_links(Unit *m, const char *what);
+int mount_add_path_links(Unit *m, const char *where, bool requires);
+
+const char* mount_state_to_string(MountState i);
+MountState mount_state_from_string(const char *s);
+
+const char* mount_exec_command_to_string(MountExecCommand i);
+MountExecCommand mount_exec_command_from_string(const char *s);