Method calcMethod = findMethod(transport.getClass(), "calculatePreauthHash", byte[].class, int.class, int.class, byte[].class);
        calcMethod.setAccessible(true);

        byte[] input = "test data".getBytes();
        byte[] oldHash = new byte[64];

        byte[] newHash = (byte[]) calcMethod.invoke(transport, input, 0, input.length, oldHash);

        assertNotNull(newHash);

  void writeChars(String s);

  @Override
  void writeUTF(String s);

  /**
   * @deprecated This method is dangerous as it discards the high byte of every character. For
   *     UTF-8, use {@code write(s.getBytes(StandardCharsets.UTF_8))}.
   */
  @Deprecated
  @Override
  void writeBytes(String s);

  /** Returns the contents that have been written to this instance, as a byte array. */
  byte[] toByteArray();

        this.attrExpiration = currentTime + getContext().getConfig().getAttributeCacheTimeout();
        return this.isExists;
    }

    @Override
    public int getType() throws SmbException {
        try {
            final int t = this.fileLocator.getType();
            if (t == TYPE_SHARE) {
                try (SmbTreeHandle th = ensureTreeConnected()) {
                    this.fileLocator.updateType(th.getTreeType());

    protected ListBody createListBody(final DictionaryFile<? extends DictionaryItem> dictionaryFile) {
        final ListBody body = new ListBody();
        body.id = dictionaryFile.getId();
        body.type = dictionaryFile.getType();
        body.path = dictionaryFile.getPath();
        body.timestamp = dictionaryFile.getTimestamp();
        return body;
    }

    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.maxReferralLevel, dst, dstIndex);
        dstIndex += 2;
        final byte[] pathBytes = this.path.getBytes(StandardCharsets.UTF_16LE);
        System.arraycopy(pathBytes, 0, dst, dstIndex, pathBytes.length);
        dstIndex += pathBytes.length;
        SMBUtil.writeInt2(0, dst, dstIndex);
        dstIndex += 2; // null terminator

            domainBytes = unicode ? domainName.getBytes(UNI_ENCODING) : domainName.getBytes(oemCp);
            size += domainBytes.length;
        }

        final String userName = getUser();
        byte[] userBytes = null;
        if (userName != null && userName.length() != 0) {
            userBytes = unicode ? userName.getBytes(UNI_ENCODING) : userName.toUpperCase().getBytes(oemCp);
            size += userBytes.length;

  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {
    return TypeToken.of(type).getSubtype(subclass).getType();
  }

    String getGroupId();

    String getArtifactId();

    String getVersion();

    String getClassifier();

    String getExtension();

    String getType();

    String getCoordinatesString();

    @Nonnull
    static ArtifactCoordinatesFactoryRequest build(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {

        if (text == null) {
            return null;
        }

        final MessageDigest msgDigest = getInstance(algorithm);
        try {
            msgDigest.update(text.getBytes("UTF-8"));
        } catch (final UnsupportedEncodingException e) {
            throw new ClIllegalStateException(e);
        }
        final byte[] digest = msgDigest.digest();

        writeInt2(buffer, offset + 10, STRUCTURE_SIZE);  // DataOffset
        writeInt4(buffer, offset + 12, STRUCTURE_SIZE);  // DataLength
        
        // Name
        System.arraycopy(getName().getBytes(), 0, buffer, offset + 16, nameLen);
        
        // Data (16 bytes of reserved)
        int dataOffset = offset + 16 + nameLen;
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment