}

    /**
     * Decodes a base64 encoded ID back to the original object name.
     *
     * @param id the encoded ID to decode
     * @return the decoded object name
     */
    protected static String decodeId(final String id) {
        if (id == null) {
            return StringUtil.EMPTY;
        }

func (d *Decoder) Pos() int { return int(d.pos) }

// Err returns the most recent decoder error if any, or nil
func (d *Decoder) Err() error { return d.err }

// MaxDepth will set the maximum recursion depth.
// If the maximum depth is exceeded, ErrMaxDepth is returned.
// Less than or 0 means no limit (default).
func (d *Decoder) MaxDepth(n int) *Decoder {
	d.maxDepth = n
	return d
}

        dst[di] = (byte) (i >> 24 & 0xFF);
        return 4;
    }

    /*
     * Decode integers
     */

    /**
     * Decodes a 16-bit unsigned integer from big-endian byte order.
     *
     * @param src the source byte array
     * @param si the starting index in the source array
     * @return the decoded short value
     */
    public static short dec_uint16be(final byte[] src, final int si) {

      }
    }

    @Override
    int decodeTo(byte[] target, CharSequence chars) throws DecodingException {
      checkNotNull(target);
      if (chars.length() % 2 == 1) {
        throw new DecodingException("Invalid input length " + chars.length());
      }
      int bytesWritten = 0;
      for (int i = 0; i < chars.length(); i += 2) {
        int decoded = alphabet.decode(chars.charAt(i)) << 4 | alphabet.decode(chars.charAt(i + 1));

            int pos = -1;
            while ((pos = decoded.indexOf('%', pos + 1)) >= 0) {
                if (pos + 2 < decoded.length()) {
                    String hexStr = decoded.substring(pos + 1, pos + 3);
                    char ch = (char) Integer.parseInt(hexStr, 16);
                    decoded = decoded.substring(0, pos) + ch + decoded.substring(pos + 3);
                }
            }
        }

        dst[di] = (byte) (i >> 24 & 0xFF);
        return 4;
    }

    /* Decode integers
     */

    /**
     * Decodes a 16-bit unsigned integer from big-endian byte order.
     *
     * @param src the source byte array
     * @param si the starting index in the source array
     * @return the decoded short value
     */
    public static short dec_uint16be(final byte[] src, final int si) {

                notifications.add(notification);
            }
        }
    }

    /**
     * Decodes a single notification from the NDR buffer.
     *
     * @param buf the NDR buffer
     * @return the decoded notification
     * @throws NdrException if decoding fails
     */
    private WitnessNotificationResponse decodeNotification(NdrBuffer buf) throws NdrException {

  val normalized = normalizeNfc(bufferB.readUtf8())
  bufferA.writeUtf8(normalized)

  // 3. For each label, convert/validate Punycode.
  val decoded = Punycode.decode(bufferA.readUtf8()) ?: return null

  // 4.1 Validate.

  // Must be NFC.
  if (decoded != normalizeNfc(decoded)) return null

  // TODO: Must not begin with a combining mark.
  // TODO: Each character must be 'valid' or 'deviation'. Not mapped.

        // Decode
        FileEndOfFileInformation decoded = new FileEndOfFileInformation();
        int decodedBytes = decoded.decode(buffer, 0, 8);
        assertEquals(8, decodedBytes);

        // Verify the round trip preserves the value
        // Note: We can't directly access endOfFile field, but toString contains it
        assertEquals(original.toString(), decoded.toString());
    }

    /**

            // Decode
            PreauthIntegrityNegotiateContext decoded = new PreauthIntegrityNegotiateContext();
            int decodedSize = decoded.decode(buffer, 0, encodedSize);

            // Verify
            assertEquals(encodedSize, decodedSize);
            assertArrayEquals(hashAlgos, decoded.getHashAlgos());
            assertArrayEquals(salt, decoded.getSalt());