{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"AggregateKind::Coroutine(did,"}]}
                AggregateKind::Coroutine(did, args) => Ty::new_coroutine(tcx, did, args),
                AggregateKind::Closure(did, args) => Ty::new_closure(tcx, did, args),
                AggregateKind::CoroutineClosure(did, args) => {