return types.NullValue
		}
		return types.NewErr("invalid data, got null for schema with nullable=false")
	}
	if schema.IsXIntOrString() {
		switch v := unstructured.(type) {
		case string:
			return types.String(v)
		case int:
			return types.Int(v)
		case int32:
			return types.Int(v)
		case int64:
			return types.Int(v)
		}

	if found {
		return field.Ref.ExprValue()
	}
	fieldDef, found := o.objectType.Fields[nameStr]
	if !found {
		return types.NewErr("no such field: %s", nameStr)
	}
	defValue := fieldDef.DefaultValue()
	if defValue != nil {
		return defValue
	}
	return types.NewErr("no default for type: %s", fieldDef.TypeName())
}

// Type returns the CEL type value of the object.
func (o *ObjectValue) Type() ref.Type {

	}

	if errors := apimachineryvalidation.ValidateServiceAccountName(name, false); len(errors) > 0 {
		return types.NewErr("Invalid service account name")
	}
	if errors := apimachineryvalidation.ValidateNamespaceName(namespace, false); len(errors) > 0 {
		return types.NewErr("Invalid service account namespace")
	}
	return authz.serviceAccount(namespace, name)
}

	if !ok {
		return types.MaybeNoSuchOverloadErr(arg)
	}

	addr, err := parseIPAddr(s)
	if err != nil {
		// Don't add context, we control the error message already.
		return types.NewErr("%v", err)
	}

	return apiservercel.IP{
		Addr: addr,
	}
}

func ipToString(arg ref.Val) ref.Val {
	ip, ok := arg.(apiservercel.IP)
	if !ok {
		return types.MaybeNoSuchOverloadErr(arg)

	}
	if c.mismatchDetection {
		newUnstr := map[string]interface{}{}
		newErr := toUnstructuredViaJSON(obj, &newUnstr)
		if (err != nil) != (newErr != nil) {
			klog.Fatalf("ToUnstructured unexpected error for %v: error: %v; newErr: %v", obj, err, newErr)
		}
		if err == nil && !c.comparison.DeepEqual(u, newUnstr) {