return new EncryptionResult(ciphertext, authTag);
    }

    /**
     * Perform constant-time encryption to prevent timing attacks
     */
    private byte[] performConstantTimeEncryption(Cipher cipher, byte[] message) throws Exception {
        // Pad to fixed block size to prevent timing leaks
        int blockSize = cipher.getBlockSize();
        if (blockSize == 0)
            blockSize = 16; // GCM mode

     */
    protected SerializeUtil() {
    }

    private static final int BYTE_ARRAY_SIZE = 8 * 1024;

    /**
     * Default set of allowed class name patterns for deserialization.
     * This helps prevent deserialization attacks by restricting which classes can be instantiated.
     */
    private static final Set<String> DEFAULT_ALLOWED_PATTERNS =

    public int hashCode() {
      return slowItDown() + hash;
    }

    @Override
    public int compareTo(Element e) {
      int x = slowItDown();
      return x + super.compareTo(e) - x; // silly attempt to prevent opt
    }

    static int slowItDown() {
      int result = 0;
      for (int i = 1; i <= 1000; i++) {
        result += i;
      }
      return result;
    }
  }

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the access token for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the token hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

        } else {
            throwValidationError(messages -> messages.addErrorsDesignFileIsUnsupportedType("designFileName"), this::asListHtml);
            return null;
        }

        // Validate path to prevent path traversal attacks
        if (expectedBaseDir != null && !isValidUploadPath(uploadFile, expectedBaseDir)) {
            logger.warn("Path traversal attempt detected: fileName={}", fileName);

    @Override
    public boolean contains(@Nullable Object target) {
      // Overridden to prevent a ton of boxing
      return (target instanceof Boolean)
          && Booleans.indexOf(array, (Boolean) target, start, end) != -1;
    }

    @Override
    public int indexOf(@Nullable Object target) {
      // Overridden to prevent a ton of boxing
      if (target instanceof Boolean) {

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the bad word entry for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the entry hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Long versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the boost document configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the file authentication configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the file configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;