{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"hir::Node::ForeignItem(&hir::ForeignItem"}]}
            hir::Node::ForeignItem(&hir::ForeignItem {
            }) => (sig, generics, Some(body), None),
                kind: hir::ForeignItemKind::Fn(sig, params, generics),