{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"Change::Replace(target,"}]}
            Change::Replace(target, Some(new_target)) => {
            Change::Insert(_, _) | Change::InsertAll(_, _) => unreachable!(),
                (to_owning_node(target), to_owning_node(new_target))