-DEFINE_CAST(SERVICE, Service, service);
-DEFINE_CAST(TIMER, Timer, timer);
-DEFINE_CAST(SOCKET, Socket, socket);
-DEFINE_CAST(MILESTONE, Milestone, milestone);
-DEFINE_CAST(DEVICE, Device, device);
-DEFINE_CAST(MOUNT, Mount, mount);
-DEFINE_CAST(AUTOMOUNT, Automount, automount);
-DEFINE_CAST(SNAPSHOT, Snapshot, snapshot);
-