Enum values
| Name | Value | Description |
|---|---|---|
| None | 0 | Don't include null items or empty lists. |
| GraftNullItems | 1 | Null items are included in the grafted tree. |
| GraftEmptyLists | 2 | Empty lists are included in the grafted tree. |
| GraftAll | 3 | Null items and empty lists are both included in the grafted tree. |