{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"Node::Item(&hir::Item"}]}
                                Node::Item(&hir::Item {
                            let (sig, owner_id) = match self.tcx.parent_hir_node(hir_id) {
                                    kind: hir::ItemKind::Fn { ref sig, .. },