{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"|"}]}
            | Node::ForeignItem(ForeignItem { kind: ForeignItemKind::Fn(fn_sig, _, _), .. }) => {
            | Node::Item(Item { kind: ItemKind::Fn { sig: fn_sig, .. }, .. })
                Some(fn_sig.decl)