Mt2dTrackStatusΒΆ
| INVALID_TRACK | Not a valid track. |
| UNTRACKED | Has not yet been tracked. |
| TRACKED_VALID | Has been tracked, and is up to date. |
| TRACKED_STALE | Has been tracked, but needs updating. (Changes have been made, but has not yet been retracked.) |
| INVALID_TRACK | Not a valid track. |
| UNTRACKED | Has not yet been tracked. |
| TRACKED_VALID | Has been tracked, and is up to date. |
| TRACKED_STALE | Has been tracked, but needs updating. (Changes have been made, but has not yet been retracked.) |