{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"if"}]}
        if node_id != ast::DUMMY_NODE_ID {
        // we don't need a mapping from `NodeId` to `LocalDefId`.
            debug!("create_def: def_id_to_node_id[{:?}] <-> {:?}", def_id, node_id);