}

  return absl::OkStatus();
}

absl::Status SavedModelV2Bundle::VisitObjectsToRestore(
    RestoreObjectsCallback callback) {
  if (saved_object_graph().nodes_size() == 0 ||
      trackable_object_graph().nodes_size() == 0) {
    return absl::OkStatus();
  }

  // Start from root nodes of both the SavedObjectGraph and TrackableObjectGraph

  SavedModelV2Bundle bundle;
  TF_ASSERT_OK(SavedModelV2Bundle::Load(export_dir, &bundle));

  // Ensure that there are nodes in the trackable_object_graph.
  EXPECT_GT(bundle.trackable_object_graph().nodes_size(), 0);

  RestoreVarsAndVerify(&bundle, {"variable_x", "variable_y", "child_variable"});
}

TEST_F(BundleV2Test, LoadsCyclicModule) {
  const std::string export_dir =

  // we partially initialize "builders" that correspond to their currently known
  // state, and gradually fill them out in subsequent passes.
  for (int i = 0; i < metagraph.object_graph_def().nodes_size(); ++i) {
    const SavedObject& node = metagraph.object_graph_def().nodes(i);
    if (node.kind_case() == SavedObject::kVariable) {
      std::unique_ptr<Variable> variable;
      TF_RETURN_IF_ERROR(

}

Status DiagnoseMultipleConcreteFunctions(const SavedObjectGraph& object_graph,
                                         const ObjectNames& object_names) {
  for (int node_id = 0; node_id < object_graph.nodes_size(); node_id++) {
    const SavedObject& object = object_graph.nodes(node_id);
    if (object_names.GetExportedNames(node_id).empty()) {
      continue;
    }
    if (object.kind_case() == SavedObject::kFunction) {

REGISTRY_LOGIN_URL="${REGISTRY_LOGIN_URL:-https://api.ng.bluemix.net}"

# User defined
# number of real workers in spawnTester cluster
NUM_NODES="${NUM_NODES:-2}"
# spec of real workers in spawnTester cluster
NODE_SIZE=${NODE_SIZE:-u2c.2x4}
DESIRED_NODES="${DESIRED_NODES:-10}"
# number of hollow nodes
# TODO: once IKS supports `kubetest`, i.e. the base cluster provisioning implemented in `kubetest`

  echo "${metadata}"
}

# Assumed vars:
#   scope_flags
# Parameters:
#   $1: template name (required).
function create-linux-node-instance-template {
  local template_name="$1"
  local machine_type="${2:-$NODE_SIZE}"

  ensure-gci-metadata-files
  # shellcheck disable=2154 # 'scope_flags' is assigned by upstream

  local template_name="$1"
  local scopes_flag="$2"
  create-node-template "${template_name}" "${scopes_flag}" "$(get-windows-node-instance-metadata-from-file)" "$(get-windows-node-instance-metadata)" "windows" "${NODE_SIZE}"

  }
}

// Gets a map from string node name to NodeDef.
void GetNodeNameToNodeDefMap(
    GraphDef* graph_def,
    std::unordered_map<string, NodeDef*>* name_to_node_map) {
  for (size_t i = 0; i < graph_def->node_size(); i++) {
    NodeDef* node = graph_def->mutable_node(i);
    (*name_to_node_map)[node->name()] = node;
  }
}

// Strips off the tensor part of the tensor_name to get the node_name.

    // In both cases, none should be variables.
    size_t expected_nodes = use_resource ? (use_identity ? 5 : 4) : 3;

    EXPECT_EQ(frozen_graph_def.node_size(), expected_nodes);
    for (const NodeDef& node : frozen_graph_def.node()) {
      EXPECT_NE(node.op(), "Variable") << node.name();
      EXPECT_NE(node.op(), "VariableV2") << node.name();

	c.size += len(p)
	return len(p), nil
}

// nodeSize determines the size of n in chars after formatting.
// The result is <= maxSize if the node fits on one line with at
// most maxSize chars and the formatted output doesn't contain
// any control chars. Otherwise, the result is > maxSize.
func (p *printer) nodeSize(n ast.Node, maxSize int) (size int) {
	// nodeSize invokes the printer, which may invoke nodeSize