{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"Closure(ClosureDef,"}]}
    Closure(ClosureDef, GenericArgs),
    Adt(AdtDef, VariantIdx, GenericArgs, Option<UserTypeAnnotationIndex>, Option<FieldIdx>),
    Coroutine(CoroutineDef, GenericArgs),