{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
                                        let binding = this.arenas.new_pub_res_binding(
                                    if ext.helper_attrs.contains(&ident.name) {
                                            Res::NonMacroAttr(NonMacroAttrKind::DeriveHelperCompat),