{"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"let"}]}
        let typing_mode = if tcx.use_typing_mode_borrowck() {
    pub(crate) fn new(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> Self {
            TypingMode::borrowck(tcx, def_id)