{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"tcx.require_lang_item(LangItem::Coroutine,"}]}
                        tcx.require_lang_item(LangItem::Coroutine, DUMMY_SP),
                    hir::CoroutineKind::Coroutine(..) => (
                        Some(instance.args.as_coroutine().resume_ty()),