{"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"let"}]}
        let def_id = item.hir_id().owner.def_id;
    fn walk_item_with_mod(&mut self, item: &'tcx hir::Item<'tcx>) {
        let old_exportable_mod = self.in_exportable_mod;