{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
                let muta = tcx.static_mutability(did).unwrap().prefix_str();
            ThreadLocalRef(did) => ty::tls::with(|tcx| {
                write!(fmt, "&/*tls*/ {}{}", muta, tcx.def_path_str(did))