}
    *state_iter = std::move(s);
    ++state_iter;
  }
  status->status = absl::OkStatus();
}

void TFE_WaitAtBarrier(TFE_Context* ctx, const char* barrier_id,
                       int64_t barrier_timeout_in_ms, TF_Status* status) {
  tensorflow::ImmediateExecutionDistributedManager* dist_mgr =
      tensorflow::unwrap(ctx)->GetDistributedManager();
  tsl::CoordinationServiceAgent* coord_agent =