*protoregistry.Types
}

var nonStrictResolver = &resolver{protoregistry.GlobalTypes}

func (r *resolver) FindMessageByURL(url string) (protoreflect.MessageType, error) {
	typ, err := r.Types.FindMessageByURL(url)
	if err != nil {
		// Here we ignore the error since we want istioctl to ignore unknown types due to the Envoy version change
		msg := exprpb.Type{TypeKind: &exprpb.Type_Dyn{Dyn: &emptypb.Empty{}}}

   * @param to the output stream
   * @throws IOException if an I/O error occurs
   */
  public static void copy(File from, OutputStream to) throws IOException {
    asByteSource(from).copyTo(to);
  }

  /**
   * Copies all the bytes from one file to another.
   *
   * <p>Copying is not an atomic operation - in the case of an I/O error, power loss, process

     * @param messageBuilderFactory the factory for creating message builders
     * @return the parsed InvokerRequest
     * @throws ParserException if there's an error during parsing of the command or arguments
     * @throws IOException if there's an I/O error during the parsing process
     */
    @Nonnull
    default R mvn(@Nonnull String[] args, @Nonnull Logger logger, @Nonnull MessageBuilderFactory messageBuilderFactory)

// flags and shouldn't be considered as replacement
// for os.OpenFile().
func LockedOpenFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
	return lockedOpenFile(path, flag, perm, 0)
}

// Open - Call os.OpenFile
func Open(path string, flag int, perm os.FileMode) (*os.File, error) {
	return os.OpenFile(path, flag, perm)

			// windows, because windows API does not return "not a
			// directory" error message. Handle this specifically
			// here.
			return errFileAccessDenied
		}
	}
	return err
}

// Reliably retries os.RemoveAll if for some reason os.RemoveAll returns
// syscall.ENOTEMPTY (children has files).
func reliableRemoveAll(dirPath string) (err error) {
	i := 0
	for {
		// Removes all the directories and files.

func checkFields(un *unstructured.Unstructured) error {
	var errs error
	for key := range un.Object {
		if _, ok := validFields[key]; !ok {
			errs = multierror.Append(errs, fmt.Errorf("unknown field %q", key))
		}
	}
	return errs
}

func (v *validator) validateResource(istioNamespace, defaultNamespace string, un *unstructured.Unstructured, writer io.Writer) (validation.Warning, error) {
	g := config.GroupVersionKind{

                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

                                }
                            },
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

                                    },
                                    "invalid": {
                                        "summary": "Invalid data is rejected with an error",
                                        "value": {
                                            "name": "Baz",
                                            "price": "thirty five point four",

                                    },
                                    "invalid": {
                                        "summary": "Invalid data is rejected with an error",
                                        "value": {
                                            "name": "Baz",
                                            "price": "thirty five point four",