*
 */
public class SitemapSet implements Serializable {

    private static final long serialVersionUID = 1L;

    /** Constant for UrlSet type. */
    public static final String URLSET = "UrlSet";

    /** Constant for Index type. */
    public static final String INDEX = "Index";

    /** The list of sitemaps in this set. */
    private final List<Sitemap> sitemapList = new ArrayList<>();

     */
    protected void write(final String text, final String contentType, final String encoding) {
        final StringBuilder buf = new StringBuilder(50);
        if (contentType == null) {
            buf.append("text/plain");
        } else {
            buf.append(contentType);
        }
        buf.append("; charset=");
        final String enc;
        if (encoding == null) {

     *            The third value
     * @param value4
     *            The fourth value
     * @return A tuple of four values
     */
    public static <T1, T2, T3, T4> Tuple4<T1, T2, T3, T4> tuple4(final T1 value1, final T2 value2, final T3 value3, final T4 value4) {
        return new Tuple4<>(value1, value2, value3, value4);
    }

    /**
     * Constructs an instance.
     */
    public Tuple4() {
    }

    /**

    @Override
    public ClassificationMeta provide(final String classificationName) throws ProvidedClassificationNotFoundException {
        final ClassificationMeta onMainSchema = findOnMainSchema(classificationName);
        if (onMainSchema == null) {
            final String msg = "Not found the classification: " + classificationName;

     * @param fields the list of fields
     * @param tags the list of tags
     * @param roles the list of roles
     */
    public ElevateWord(final String elevateWord, final float boost, final List<String> readings, final List<String> fields,
            final List<String> tags, final List<String> roles) {
        this.elevateWord = elevateWord;
        this.boost = boost;
        this.readings = readings;
        this.fields = fields;

        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {
        if (value instanceof final LocalDateTime ldt) {

    NameQueryRequest(final Configuration config, final Name name) {
        super(config);
        this.questionName = name;
        this.questionType = NB;
    }

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

    @Override
    int readBodyWireFormat(final byte[] src, final int srcIndex) {

     */
    public static OutputStream getXContentBuilderOutputStream(final XContentBuilderCallback func, final MediaType mediaType) {
        try (final XContentBuilder builder = func.apply(mediaType.contentBuilder(), ToXContent.EMPTY_PARAMS)) {
            builder.flush();
            return builder.getOutputStream();
        } catch (final IOException e) {
            if (logger.isDebugEnabled()) {

    public void test_store_basic() {
        // Create a simple DataStore implementation for testing
        final AtomicBoolean storeCalled = new AtomicBoolean(false);
        final AtomicReference<DataConfig> capturedConfig = new AtomicReference<>();
        final AtomicReference<IndexUpdateCallback> capturedCallback = new AtomicReference<>();
        final AtomicReference<DataStoreParams> capturedParams = new AtomicReference<>();

        final StringBuilder resultBuf = new StringBuilder();

        final PingResponse ping = searchEngineClient.ping();
        final int status = ping.getStatus();
        if (systemHelper.isChangedClusterState(status)) {
            if (fessConfig.hasNotification()) {
                final String toStrs = fessConfig.getNotificationTo();
                final String[] toAddresses;