{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
            let wrapper_file = emit_wrapper_file(sess, &data, tmpdir.as_ref(), filename.as_str());
            let (data, _) = create_wrapper_file(sess, ".bundled_lib".to_string(), &src);
            packed_bundled_libs.push(wrapper_file);