TF_RETURN_IF_ERROR(ValidateSavedFunctionCompatibleWithFunctionDef(
      saved_concrete_function, function_def));

  // Copy over captures
  std::vector<ImmediateExecutionTensorHandle*> captures;
  captures.reserve(saved_concrete_function.bound_inputs_size());
  for (int bound_input : saved_concrete_function.bound_inputs()) {
    auto iter = captured_objects.find(bound_input);
    if (iter == captured_objects.end()) {

  std::unordered_set<int> output_nodes;
  output_nodes.reserve(outputs_.size());
  for (size_t i = 0; i < outputs_.size(); ++i) {
    output_nodes.insert(outputs_[i].node()->id());
  }

  std::unordered_set<int> stop_backprop_nodes =
      GetStopBackpropNodes(reachable_nodes, output_nodes);

  // Populate `input_nodes_` from Outputs in `inputs_`.
  input_nodes_.reserve(inputs_.size());

		// NOTE: this means Istio reserves the word "none" in this field with a special meaning
		//   a waypoint named "none" cannot be used and will be ignored
		//   also reserve anything with suffix "/none" to prevent use of "namespace/none" as a work around
		// ~ is used in other portions of the API, reserve it with special meaning although it's unlikely to be documented

  const int num_args = input_permutation->size();
  const int num_retvals = output_permutation->size();

  std::vector<Node*> args;
  std::vector<Node*> retvals;
  args.reserve(num_args);
  retvals.reserve(num_retvals);
  for (Node* n : graph->nodes()) {
    if (n->type_string() == "_Arg") {
      // Check if this is a guaranteed constant.
      if (is_guaranteed_constant(*n)) {

	PreScore PluginSet

	// Score is a list of plugins that should be invoked when ranking nodes that have passed the filtering phase.
	Score PluginSet

	// Reserve is a list of plugins invoked when reserving/unreserving resources
	// after a node is assigned to run the pod.
	Reserve PluginSet

	// Permit is a list of plugins that control binding of a Pod. These plugins can prevent or delay binding of a Pod.
	Permit PluginSet

};

template <typename InputContainer>
std::vector<Type> GetValueTypes(const InputContainer& input) {
  // Convert a list of mlir::Value's into a list of mlir::Type's
  std::vector<Type> types;
  types.reserve(input.size());
  for (auto val : input) types.push_back(val.getType());
  return types;
}

bool IsTPUOp(mlir::Operation* op) {
  return op->hasAttr(TF::kReplicationInfoAttr);
}

  std::vector<Node*> outside_compilation_nodes;
  std::vector<Node*> then_branch_lifted_arg_nodes;
  outside_compilation_nodes.reserve(
      then_branch_lifted_arg_nodes_and_outside_compilation_nodes.size());
  then_branch_lifted_arg_nodes.reserve(
      then_branch_lifted_arg_nodes_and_outside_compilation_nodes.size());
  for (const auto& pair :

  mlir::MLIRContext* ctx = op->getContext();
  mlir::Builder builder(ctx);

  // Collect devices with attached metadata.
  llvm::SmallVector<mlir::NamedAttribute, 8> devices;
  devices.reserve(device_set->devices().size());

  // For device that do not have any metadata, or if we failed to parse metadata
  // from the DeviceSet, we add a unit attribute to the `tf.devices` attribute.

  std::vector<TensorHandlePtr> release_tensors() { return std::move(tensors_); }

  std::vector<TFE_TensorHandle*> tensors() const {
    std::vector<TFE_TensorHandle*> result;
    result.reserve(tensors_.size());
    for (const TensorHandlePtr& tensor : tensors_) {
      result.emplace_back(tensor.get());
    }
    return result;
  }

 private:
  ParallelTensor(const ParallelDevice& device,

			// - This is a score coming from user preference.
			{Name: names.InterPodAffinity, Weight: 2},
			{Name: names.NodeResourcesBalancedAllocation, Weight: 1},
			{Name: names.ImageLocality, Weight: 1},
		},
	},
	Reserve: config.PluginSet{
		Enabled: []config.Plugin{
			{Name: names.VolumeBinding},
		},
	},
	PreBind: config.PluginSet{
		Enabled: []config.Plugin{
			{Name: names.VolumeBinding},
		},
	},