static TaggedValue List() {
    TaggedValue v;
    v.type_ = LIST;
    using T = decltype(v.data_.list);
    new (&v.data_.list) T(std::make_shared<T::element_type>());
    return v;
  }
  /// Constructs a TaggedValue with type TUPLE.
  static TaggedValue Tuple() {
    TaggedValue v;
    v.type_ = TUPLE;
    using T = decltype(v.data_.tuple);
    new (&v.data_.tuple) T(std::make_shared<T::element_type>());
    return v;

// exist. declType is expected to be a CEL DeclType corresponding to the structural schema.
// perCallLimit was added for testing purpose only. Callers should always use const PerCallLimit from k8s.io/apiserver/pkg/apis/cel/config.go as input.
func validator(validationSchema, nodeSchema *schema.Structural, isResourceRoot bool, declType *cel.DeclType, perCallLimit uint64) *Validator {
	compilationSchema := *nodeSchema

                    const char* description = nullptr,
                    bool append_hash = false) {
  std::unique_ptr<TF_Graph, decltype(&TF_DeleteGraph)> func_graph(
      TF_NewGraph(), TF_DeleteGraph);
  std::unique_ptr<TF_Status, decltype(&TF_DeleteStatus)> s(TF_NewStatus(),
                                                           TF_DeleteStatus);

	nested, _ := cust.FindField("nested")
	metadata, _ := cust.FindField("metadata")
	expectedObjTypeMap := map[string]*apiservercel.DeclType{
		"CustomObject":          cust,
		"CustomObject.nested":   nested.Type,
		"CustomObject.metadata": metadata.Type,
	}
	objTypeMap := map[string]*apiservercel.DeclType{}
	for name, t := range typeMap {
		if t.IsObject() {
			objTypeMap[name] = t
		}
	}

	nested, _ := cust.FindField("nested")
	metadata, _ := cust.FindField("metadata")
	expectedObjTypeMap := map[string]*apiservercel.DeclType{
		"CustomObject":          cust,
		"CustomObject.nested":   nested.Type,
		"CustomObject.metadata": metadata.Type,
	}
	objTypeMap := map[string]*apiservercel.DeclType{}
	for name, t := range typeMap {
		if t.IsObject() {
			objTypeMap[name] = t
		}
	}

  TF_RETURN_IF_ERROR(RegisterNotDifferentiable(registry, "CheckNumerics"));
  return absl::OkStatus();
}

TEST_P(CppGradients, TestSetAttrString) {
  std::unique_ptr<TF_Status, decltype(&TF_DeleteStatus)> status(
      TF_NewStatus(), TF_DeleteStatus);
  AbstractContextPtr ctx;
  {
    AbstractContext* ctx_raw = nullptr;
    Status s =

  // Convert 'value' to a TF_Tensor then a TFE_TensorHandle.
  std::unique_ptr<TF_Tensor, decltype(&TF_DeleteTensor)> t(
      TF_AllocateTensor(TF_FLOAT, nullptr, 0, sizeof(value)), TF_DeleteTensor);
  memcpy(TF_TensorData(t.get()), &value, TF_TensorByteSize(t.get()));

  std::unique_ptr<TFE_TensorHandle, decltype(&TFE_DeleteTensorHandle)>
      value_handle(TFE_NewTensorHandle(t.get(), status),

// if their schema is not exposed.
//
// The CEL declaration for objects with XPreserveUnknownFields does not expose unknown fields.
func SchemaDeclType(s *schema.Structural, isResourceRoot bool) *apiservercel.DeclType {
	return common.SchemaDeclType(&Structural{Structural: s}, isResourceRoot)
}

// WithTypeAndObjectMeta ensures the kind, apiVersion and

  if (splatLhs && splatRhs) {
    auto signedLhs = addSign(splatLhs.getSplatValue<ValType>(), etype);
    auto signedRhs = addSign(splatRhs.getSplatValue<ValType>(), etype);
    FailureOr<decltype(signedLhs)> result(Convert()(signedLhs, signedRhs));
    return succeeded(result) ? SplatElementsAttr::get(type, *result)
                             : Attribute();
  }

  SmallVector<ValType, 6> values;

// attribute already exists with a different value, returns an error.
template <typename ContainerT,
          typename = typename std::enable_if<
              std::is_same<mlir::Type, decltype(*std::declval<ContainerT>()
                                                     .begin())>::value>::type>
Status SetTypeAttribute(absl::string_view name, ContainerT types,
                        AttrValueMap* values) {