{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
                        let actual_type_di_node = type_di_node(cx, actual_type);
                        let actual_type = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty);
                        Some(cx.create_template_type_parameter(name.as_str(), actual_type_di_node))