{"ast_node_type":"variable","tokens":[{"end":43,"kind":"keyword","start":0,"text":"let"}]}
        let (ident, kind) = match &i.kind {
        let attrs = self.lower_attrs(hir_id, &i.attrs, i.span);
            ForeignItemKind::Fn(box Fn { sig, ident, generics, define_opaque, .. }) => {