Traversal-derived position of the current node. Kept off the node itself: a node may sit in several places (alias/dedup reuse), so depth/role belong to the walk, not the node. VisitContext.parent kind + VisitContext.isKey pin the exact slot.
kind
0 = document content root
Enclosing sequence/mapping, null at the root
Node sits in a mapping key position
Traversal-derived position of the current node. Kept off the node itself: a node may sit in several places (alias/dedup reuse), so depth/role belong to the walk, not the node. VisitContext.parent
kind+ VisitContext.isKey pin the exact slot.