if (!cg_mu_) {
    return Status(absl::StatusCode::kFailedPrecondition,
                  "This QueueRunner doesn't collect a cost graph.");
  }
  mutex_lock l(*cg_mu_);
  cost_graph->MergeFrom(*cost_graph_);
  return absl::OkStatus();
}

void QueueRunner::SetRunArgumentsAndCostGraph(const RunOptions& run_options) {
  cg_mu_.reset(new mutex());
  {
    mutex_lock l(*cg_mu_);

        public AbstractDomainObjectCreatingProvider(String name, Class<I> type, @Nullable Action<? super I> configureAction) {
            super(name, type);
            this.onCreate = ImmutableActionSet.<I>empty().mergeFrom(getEventRegister().getAddActions());

            if (configureAction != null) {
                configure(configureAction);
            }
        }

        @Override

                    } else {
                        onCreate = Cast.uncheckedCast(taskProvider.getOnCreateActions().mergeFrom(getEventRegister().getAddActions()));
                    }

                    add(task, onCreate);
                    return; // Exit early as we are reusing the create actions from the provider