{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"PositionRepr::FirstChild(parent)"}]}
                PositionRepr::FirstChild(parent) => {
            Change::Insert(target, _) | Change::InsertAll(target, _) => match &mut target.repr {
                    *parent = upmap_target_node(parent);