Part of lp.bugs.interfaces
| Class | BugTrackerNameField | Undocumented |
| Class | BugTrackerURL | A bug tracker URL that's not used by any other bug trackers. |
| Class | BugTrackerType | The Types of BugTracker Supported by Launchpad. |
| Interface | IBugTrackerAlias | Another URL for a remote bug system. |
| Interface | IBugTrackerAliasSet | A set of IBugTrackerAliases. |
| Interface | IHasExternalBugTracker | An object that can have an external bugtracker specified. |
| Interface | IRemoteBug | A remote bug for a given bug tracker. |