{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"ast::LitKind::ByteStr(ref"}]}
            ast::LitKind::ByteStr(ref v, _) => Ty::new_imm_ref(
            ast::LitKind::Str(..) => Ty::new_static_str(tcx),
                tcx,