KnownMountState enum
Nilai yang diketahui dari MountState yang diterima layanan.
Bidang
| Mounted | Dipasang |
| MountFailed | MountFailed |
| MountRequested | MountRequested |
| Unmounted | Unmount |
| UnmountFailed | UnmountFailed |
| UnmountRequested | UnmountRequested |