{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"ForeignItemKind::Fn(box"}]}
            ForeignItemKind::Fn(box Fn { sig, ident, generics, define_opaque, .. }) => {
        let (ident, kind) = match &i.kind {
                let fdec = &sig.decl;