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

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

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return switch (informationLevel) {

        final int len = bufferIndex - start;
        this.length = len;

        if (isRetainPayload()) {
            final byte[] payload = new byte[len];
            System.arraycopy(buffer, 4, payload, 0, len);
            setRawPayload(payload);
        }

        if (!verifySignature(buffer, 4, len)) {

    @DisplayName("Interaction verification with mock")
    void interactionVerification() {
        FileEntry mock = mock(FileEntry.class);
        when(mock.length()).thenReturn(42L);
        long len = mock.length();
        assertEquals(42L, len);
        verify(mock, times(1)).length();
        verifyNoMoreInteractions(mock);
    }

            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while (i < len && Character.isDigit(data[i++])) {
                if (i == len && dots == 3) {
                    // probably an IP address

        return 0;
    }

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

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

      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);

        @Override
        int readSetupWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 2;
        }

        @Override
        int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 20;
        }

        @Override
        int readDataWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 50;
        }

        // Setters for test control

        return this.data;
    }

    /**
     * {@inheritDoc}
     *
     * @see Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.namedPipeState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

     * @param offset the index of the first {@code char} to append
     * @param len the number of {@code char}s to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder a(char[] value, int offset, int len) {
        return append(String.valueOf(value, offset, len));
    }

    /**
     * Append content to the message buffer.
     *