Part of lp.code.interfaces
| Interface | IRevision | Bazaar revision. |
| Interface | IRevisionAuthor | Committer of a Bazaar revision. |
| Interface | IRevisionParent | The association between a revision and its parent revisions. |
| Interface | IRevisionProperty | A property on a Bazaar revision. |
| Interface | IRevisionSet | The set of all revisions. |