var varOpts []cel.EnvOption
	var declTypes []*apiservercel.DeclType

	// namespace, hand-crafted type
	declTypes = append(declTypes, namespaceType)
	varOpts = append(varOpts, createVariableOpts(namespaceType, plugincel.NamespaceVarName)...)

	// request, hand-crafted type
	declTypes = append(declTypes, requestType)

			opts: []VersionedOptions{
				{
					IntroducedVersion: version.MajorMinor(1, 28),
					RemovedVersion:    version.MajorMinor(1, 29),
					DeclTypes:         []*apiservercel.DeclType{widgetsType},
					EnvOptions: []cel.EnvOption{
						cel.Variable("widget", cel.ObjectType("Widget")),
					},
				},
			},
		},
		{
			name: "declared type disabled after removed",

	oldSelfEnvSet, optionalOldSelfEnvSet, err := prepareEnvSet(baseEnvSet, declType)
	if err != nil {
		return nil, err
	}
	estimator := newCostEstimator(declType)
	// compResults is the return value which saves a list of compilation results in the same order as x-kubernetes-validations rules.
	compResults := make([]CompilationResult, len(celRules))
	maxCardinality := maxCardinality(declType.MinSerializedSize)
	for i, rule := range celRules {

	))
}

// BuildNamespaceType generates a DeclType for Namespace.
// Certain nested fields in Namespace (e.g. managedFields, ownerReferences etc.) are omitted in the generated DeclType
// by design.
func BuildNamespaceType() *apiservercel.DeclType {
	field := func(name string, declType *apiservercel.DeclType, required bool) *apiservercel.DeclField {
		return apiservercel.NewDeclField(name, declType, required, nil, nil)
	}

// 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

	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
		}
	}

    if (methods_.summarize == nullptr) {
      return tensorflow::CustomDeviceTensorHandle::SummarizeValue(summary);
    }
    TF_Status c_status;
    std::unique_ptr<TF_Buffer, decltype(&TF_DeleteBuffer)> summary_buffer(
        methods_.summarize(data_, &c_status), TF_DeleteBuffer);
    if (!c_status.status.ok()) {
      return c_status.status;
    }