Part of lp.snappy.interfaces
| Class | NoSuchSnapBase | The requested SnapBase does not exist. |
| Class | CannotDeleteSnapBase | The base cannot be deleted at this time. |
| Class | SnapBaseNameField | Ensure that ISnapBase has unique names. |
| Interface | ISnapBaseView | ISnapBase attributes that anyone can view. |
| Interface | ISnapBaseEditableAttributes | ISnapBase attributes that can be edited. |
| Interface | ISnapBaseEdit | ISnapBase methods that require launchpad.Edit permission. |
| Interface | ISnapBaseSetEdit | ISnapBaseSet methods that require launchpad.Edit permission. |