return null;
        }

        // Methods from CommonServerMessageBlock interface
        @Override
        public int decode(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
            return 0;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override

        @DisplayName("Various flag combinations encode and parse correctly")
        void testFlagCombinations(int flags) throws Exception {
            NegTokenInit init = new NegTokenInit(new ASN1ObjectIdentifier[] { OID_KRB }, flags, null, null);

            byte[] encoded = init.toByteArray();
            NegTokenInit parsed = new NegTokenInit(encoded);

            assertEquals(flags, parsed.getContextFlags());

    assertThat(encoding.encode(decoded.getBytes(UTF_8), offset, len)).isEqualTo(encoded);
  }

  private static void testDecodes(BaseEncoding encoding, String encoded, String decoded) {
    assertThat(encoding.canDecode(encoded)).isTrue();
    assertThat(encoding.decode(encoded)).isEqualTo(decoded.getBytes(UTF_8));
  }

  private static void testDecodesByBytes(BaseEncoding encoding, String encoded, byte[] decoded) {

            return null;
        }

        return newDictionaryFile(encodePath(path), path, timestamp);
    }

    /**
     * Encodes a file path using Base64 URL-safe encoding.
     *
     * @param path the file path to encode
     * @return the Base64 encoded path
     */
    protected String encodePath(final String path) {
        return Base64.getUrlEncoder().encodeToString(path.getBytes(Constants.CHARSET_UTF_8));

   *   generalTime    GeneralizedTime
   * }
   * ```
   *
   * RFC 5280, section 4.1.2.5:
   *
   * > CAs conforming to this profile MUST always encode certificate validity dates through the year
   * > 2049 as UTCTime; certificate validity dates in 2050 or later MUST be encoded as
   * > GeneralizedTime.
   */
  internal val time: DerAdapter<Long> =
    object : DerAdapter<Long> {

        // Test Unicode string encoding
        String msg = "\u00A1\u00A2"; // two Unicode characters
        byte[] encoded = encodeUnicode(msg);
        assertEquals(4, encoded.length, "Encoded Unicode string should be 4 bytes");

        // Verify little-endian encoding
        assertEquals((byte) 0xA1, encoded[0], "First byte of first character");
        assertEquals((byte) 0x00, encoded[1], "Second byte of first character");

     * all but the first smb of the chaain do not have a header
     * and therefore we do not want to writeHeaderWireFormat. We
     * just recursivly call writeAndXWireFormat.
     */

    @Override
    int encode(final byte[] dst, int dstIndex) {
        final int start = headerStart = dstIndex;

        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        dstIndex += writeAndXWireFormat(dst, dstIndex);

        if (msg != null && msg.startsWith("NTLM ")) {
            final byte[] src = Base64.decode(msg.substring(5));
            if (src[8] == 1) {
                final Type1Message type1 = new Type1Message(src);
                final Type2Message type2 = new Type2Message(tc, type1, challenge, null);
                msg = new String(Base64.encode(type2.toByteArray()), "US-ASCII");
                resp.setHeader("WWW-Authenticate", "NTLM " + msg);

            }
        }
    }

    @Nested
    @DisplayName("Unicode and ASCII Encoding")
    class UnicodeAndASCIITests {

        @Test
        @DisplayName("getUNIBytes should encode string as UTF-16LE")
        void testGetUNIBytes() {
            // When
            byte[] result = Strings.getUNIBytes(TEST_STRING);

            // Then

    public byte[] getContextHandle() {
        return contextHandle != null ? contextHandle.clone() : null;
    }

    @Override
    protected void encodeWitnessParameters(NdrBuffer buf) throws NdrException {
        // Encode input parameters for WitnessUnregister

        // Context handle (20 bytes) - this is both input and output (modified)
        if (contextHandle != null) {