{"ast_node_type":"variable","tokens":[{"end":51,"kind":"keyword","start":0,"text":"let"}]}
        let vis_span = self.lower_span(i.vis.span);
    fn lower_item(&mut self, i: &Item) -> &'hir hir::Item<'hir> {
        let hir_id = hir::HirId::make_owner(self.current_hir_id_owner.def_id);