| Function | get_current_view | Return the current view or None. |
| Function | get_facet | Return the view's facet name. |
| Class | LinkData | General links that aren't default links. |
| Class | MenuLink | Adapter from ILinkData to ILink. |
| Class | FacetLink | Adapter from ILinkData to IFacetLink. |
| Class | MenuBase | Base class for facets and menus. |