abstract int writeDataWireFormat(byte[] dst, int dstIndex);

    abstract int readSetupWireFormat(byte[] buffer, int bufferIndex, int len);

    abstract int readParametersWireFormat(byte[] buffer, int bufferIndex, int len);

    abstract int readDataWireFormat(byte[] buffer, int bufferIndex, int len);

    @Override
    public String toString() {

        return 0;
    }

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;
        setStatus(SMBUtil.readInt2(buffer, bufferIndex));
        bufferIndex += 2;

	s = 3 + 5 + msgp.StringPrefixSize + len(z.Name) + 8 + msgp.TimeSize + 12 + msgp.BoolSize + 17 + msgp.BytesPrefixSize + len(z.PolicyConfigJSON) + 22 + msgp.BytesPrefixSize + len(z.NotificationConfigXML) + 19 + msgp.BytesPrefixSize + len(z.LifecycleConfigXML) + 20 + msgp.BytesPrefixSize + len(z.ObjectLockConfigXML) + 20 + msgp.BytesPrefixSize + len(z.VersioningConfigXML) + 20 + msgp.BytesPrefixSize + len(z.EncryptionConfigXML) + 17 + msgp.BytesPrefixSize + len(z.TaggingConfigXML)...

	}

	if parentUser == "" {
		return auth.Credentials{}, time.Time{}, errInvalidArgument
	}

	if len(opts.accessKey) > 0 && len(opts.secretKey) == 0 {
		return auth.Credentials{}, time.Time{}, auth.ErrNoSecretKeyWithAccessKey
	}
	if len(opts.secretKey) > 0 && len(opts.accessKey) == 0 {
		return auth.Credentials{}, time.Time{}, auth.ErrNoAccessKeyWithSecretKey
	}

	var policyBuf []byte

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        // observed two zero bytes here with at least win98
        return 2;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {

      if (result != -1) {
        return result;
      }
      advance();
    }
    return -1;
  }

  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    checkNotNull(b);
    while (in != null) {
      int result = in.read(b, off, len);
      if (result != -1) {
        return result;
      }
      advance();
    }
    return -1;
  }

  @Override

     *
     * @return the referrals
     */
    public final Referral[] getReferrals() {
        return this.referrals;
    }

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        this.pathConsumed = SMBUtil.readInt2(buffer, bufferIndex) / 2;
        bufferIndex += 2;
        this.numReferrals = SMBUtil.readInt2(buffer, bufferIndex);

    int len = sequence.length();
    for (int i = 0; i < len; i++) {
      char c = sequence.charAt(i);
      if (matches(c)) {
        if (c == replacement && (i == len - 1 || !matches(sequence.charAt(i + 1)))) {
          // a no-op replacement
          i++;
        } else {
          StringBuilder builder = new StringBuilder(len).append(sequence, 0, i).append(replacement);