{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"PositionRepr::FirstChild(parent)"}]}
                PositionRepr::FirstChild(parent) => TextRange::at(
            Change::Insert(target, _) | Change::InsertAll(target, _) => match &target.repr {
                    parent.first_child_or_token().unwrap().text_range().start(),