EffectiveCollectionInclusions

Don't add any parts but the selected ones.

Just include the selected nodes, their members if they are groups, and the links connecting them.

Include all standard connected parts and also tree-structure descendant nodes (children, grandchildren, etc.) and the links connecting to them. This assumes that links go from the parent node to their children, unless TreePath is Source, in which case links are assumed to go from each child to its parent node.

Include tree-structure descendant nodes (children, grandchildren, etc.). This assumes that links go from the parent node to their children, unless TreePath is Source, in which case links are assumed to go from each child to its parent node.