Part of lp.services.feeds.interfaces
| Class | UnsupportedFeedFormat | The requested feed format is not supported. |
| Interface | IFeed | Interface for feeds. |
| Interface | IFeedEntry | Interface for an entry in a feed. |
| Interface | IFeedTypedData | Interface for typed data in a feed. |
| Interface | IFeedPerson | Interface for a person in a feed. |