{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"&hir::TyKind::Path(hir::QPath::LangItem(lang_item,"}]}
            &hir::TyKind::Path(hir::QPath::LangItem(lang_item, span)) => {
            }
                let def_id = tcx.require_lang_item(lang_item, span);