{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"|"}]}
            | ty::Error(_) => ConstructorSet::Unlistable,
            | ty::Param(_)
            ty::CoroutineWitness(_, _) | ty::Bound(_, _) | ty::Placeholder(_) | ty::Infer(_) => {