final boolean groupName = ((src[srcIndex] & 0x80) == 0x80) == true;
        final int nodeType = (src[srcIndex] & 0x60) >> 5;
        srcIndex += 2;
        final int address = readInt4(src, srcIndex);
        if (address != 0) {
            this.addrEntry[this.addrIndex] = new NbtAddress(this.recordName, address, groupName, nodeType);
        } else {
            this.addrEntry[this.addrIndex] = null;
        }

        return 6;

    }

    /**
     * Gets the OpenSearch index name.
     *
     * @return The index name.
     */
    public String getIndex() {
        return index;
    }

    /**
     * Sets the OpenSearch index name.
     *
     * @param index The index name.
     */
    public void setIndex(final String index) {
        this.index = index;
    }

    /**

                writer.write(runner.client(), suggester.settings(), suggester.getIndex(), new SuggestItem[] { item }, false);

        assertNotNull(result);
        assertFalse(result.hasFailure());

        runner.refresh();

        GetResponse getResponse =
                runner.client().prepareGet().setIndex(suggester.getIndex()).setId(item.getId()).get(TimeValue.timeValueSeconds(30));

        assertThat(indexed1.getIndex(), is(0));
        assertThat(indexed1.getElement(), is("aaa"));

        final Indexed<String> indexed2 = it.next();
        assertThat(indexed2.getIndex(), is(1));
        assertThat(indexed2.getElement(), is("bbb"));

        final Indexed<String> indexed3 = it.next();
        assertThat(indexed3.getIndex(), is(2));
        assertThat(indexed3.getElement(), is("ccc"));

        byte[] src = new byte[100];
        int srcIndex = 0;

        // Mock the superclass method to control its behavior
        doReturn(15).when((NameServicePacket) request).readQuestionSectionWireFormat(any(byte[].class), anyInt());

        int result = request.readBodyWireFormat(src, srcIndex);

        // Verify that readQuestionSectionWireFormat was called

    private int queryFreqThreshold = 10;

    private final List<String> excludeWords = new ArrayList<>();

    /**
     * Sets the index name.
     * @param index The index name.
     */
    public void setIndex(final String index) {
        this.index = index;
    }

    /**
     * Sets the size of results.
     * @param size The size.
     */
    public void setSize(final int size) {

    }

    @Override
    int readBodyWireFormat(final byte[] src, final int srcIndex) {
        return readQuestionSectionWireFormat(src, srcIndex);
    }

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

    @Override
    int readRDataWireFormat(final byte[] src, final int srcIndex) {
        return 0;
    }

    @Override
    public String toString() {

{"index":{"_index":"fess_user.role","_id":"YWRtaW4="}}
{"name":"admin"}
{"index":{"_index":"fess_user.role","_id":"Z3Vlc3Q="}}

     *
     * @param src the source byte array to convert
     * @param srcIndex the starting index in the source array
     * @param size the number of bytes to convert from the source array
     * @return a hexadecimal string representation of the byte array
     */
    public static String toHexString(final byte[] src, final int srcIndex, final int size) {
        final char[] c = new char[2 * size];

        m.ptype = 0; // request
        m.flags = 0x05;
        m.alloc_hint = 0;
        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);
        m.encode(buf);
        // decode back
        buf.setIndex(0);
        m.decode_header(buf);
        assertEquals(0, m.ptype);
    }

    @Test
    void testDecodeHeaderInvalidVersion() {
        NdrBuffer buf = new NdrBuffer(new byte[10], 0);