std::optional<xla::PjRtFuture<>> future;
  if (executable->num_replicas() != 1 || executable->num_partitions() != 1) {
    TF_ASSIGN_OR_RETURN(
        execute_outputs,
        executable->ExecuteSharded(
            executable_args, device,
            GetPjRtExecuteOptions(device_type,
                                  std::move(non_donatable_input_indices)),
            future));
  } else {