func TestIsValueNil(t *testing.T) {
	if !IsValueNil(nil) {
		t.Error("got IsValueNil(nil) false, want true")
	}
	if !IsValueNil((*int)(nil)) {
		t.Error("got IsValueNil(ptr) false, want true")
	}
	if !IsValueNil(map[int]int(nil)) {
		t.Error("got IsValueNil(map) false, want true")
	}
	if !IsValueNil([]int(nil)) {
		t.Error("got IsValueNil(slice) false, want true")
	}
	if !IsValueNil(any(nil)) {

func IsNilOrInvalidValue(v reflect.Value) bool {
	return !v.IsValid() || (v.Kind() == reflect.Ptr && v.IsNil()) || IsValueNil(v.Interface())
}

// IsValueNil returns true if either value is nil, or has dynamic type {ptr,
// map, slice} with value nil.
func IsValueNil(value any) bool {
	if value == nil {
		return true
	}
	switch kindOf(value) {
	case reflect.Slice, reflect.Ptr, reflect.Map:

	scope.Debugf("getFromStructPath path=%s, node(%T)", path, node)
	if len(path) == 0 {
		scope.Debugf("getFromStructPath returning node(%T)%v", node, node)
		return node, !util.IsValueNil(node), nil
	}
	// For protobuf types, switch them out with standard types; otherwise we will traverse protobuf internals rather
	// than the standard representation
	if v, ok := node.(*structpb.Struct); ok {

}

func validateLeaf(validations map[string]ValidatorFunc, path util.Path, val any, checkRequired bool) util.Errors {
	pstr := path.String()
	msg := fmt.Sprintf("validate %s:%v(%T) ", pstr, val, val)
	if util.IsValueNil(val) || util.IsEmptyString(val) {
		if checkRequired && requiredValues[pstr] {
			return util.NewErrs(fmt.Errorf("field %s is required but not set", util.ToYAMLPathString(pstr)))
		}

func WritePathContext(nc *PathContext, value any, merge bool) error {
	scope.Debugf("WritePathContext PathContext=%s, value=%v", nc, value)

	if !util.IsValueNil(value) {
		return setPathContext(nc, value, merge)
	}

	scope.Debug("delete")
	if nc.Parent == nil {
		return errors.New("cannot delete root element")
	}

	switch {

func (t *Translator) ProtoToHelmValues(node any, root map[string]any, path util.Path) (errs util.Errors) {
	scope.Debugf("ProtoToHelmValues with path %s, %v (%T)", path, node, node)
	if util.IsValueNil(node) {
		return nil
	}

	vv := reflect.ValueOf(node)
	vt := reflect.TypeOf(node)
	switch vt.Kind() {
	case reflect.Ptr:
		if !util.IsNilOrInvalidValue(vv.Elem()) {