{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"Coroutine(DefId,"}]}
    Coroutine(DefId, GenericArgsRef<'tcx>),
    Closure(DefId, GenericArgsRef<'tcx>),
    CoroutineClosure(DefId, GenericArgsRef<'tcx>),