*/
    protected <T> T processVirtualHost(final Function<String, T> func, final T defaultValue) {
        final Tuple3<String, String, String>[] vHosts = ComponentUtil.getFessConfig().getVirtualHosts();
        return LaRequestUtil.getOptionalRequest().map(req -> {
            for (final Tuple3<String, String, String> host : vHosts) {
                final String headerValue = req.getHeader(host.getValue1());

    private static final String LANG_KEY = "lang";

    /** The underlying map that this DocMap wraps */
    private final Map<String, Object> parent;

    /**
     * Constructor that creates a DocMap wrapping the given parent map.
     *
     * @param parent the map to wrap and delegate operations to
     */
    public DocMap(final Map<String, Object> parent) {
        this.parent = parent;

        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final FessTimeResourceProvider[] providers = new FessTimeResourceProvider[threadCount];
        final Exception[] exceptions = new Exception[threadCount];

        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {

    public static final int SMB2_LEASE_NONE           = 0x00;
    public static final int SMB2_LEASE_READ_CACHING   = 0x01;  // R - Read caching
    public static final int SMB2_LEASE_HANDLE_CACHING = 0x02;  // H - Handle caching  
    public static final int SMB2_LEASE_WRITE_CACHING  = 0x04;  // W - Write caching
    
    // Common combinations
    public static final int SMB2_LEASE_READ_HANDLE    = 0x03;  // RH

 * Provides functionality for setting and retrieving objects from request attributes,
 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */
    private static final String WEB_API_EXCEPTION = "webApiException";

    /**
     * Private constructor to prevent instantiation.
     */
    private WebApiUtil() {
    }

    protected static final Version BWC_MAJOR_VERSION = Version.fromString("2.0.0");
    protected static final Version BWC_MINOR_VERSION = Version.fromString("1.1.0");
    protected static final Version BWC_STAGED_VERSION = Version.fromString("1.0.0");
    protected static final Version BWC_BUGFIX_VERSION = Version.fromString("1.0.1");
    protected static final Version BWC_MAINTENANCE_VERSION = Version.fromString("0.90.1");

     */
    public static void set(final Field field, final Object target, final Object value) throws IllegalAccessRuntimeException {
        assertArgumentNotNull("field", field);

        try {
            field.set(target, value);
        } catch (final IllegalAccessException e) {
            throw new IllegalAccessRuntimeException(field.getDeclaringClass(), e);
        } catch (final IllegalArgumentException e) {

     * @param message the detailed error message
     * @param cause the cause of the exception
     */
    public InvalidQueryException(final VaMessenger<FessMessages> messageCode, final String message, final Throwable cause) {
        super(message, cause);
        this.messageCode = messageCode;
    }

    /**
     * Creates a new InvalidQueryException with message code and message.
     *

  }

  public static class SortedSetSubsetTestSetGenerator<E extends @Nullable Object>
      implements TestSortedSetGenerator<E> {
    final Bound to;
    final Bound from;
    final E firstInclusive;
    final E lastInclusive;
    private final Comparator<? super E> comparator;
    private final TestSortedSetGenerator<E> delegate;

    public SortedSetSubsetTestSetGenerator(

    private Pattern pattern2;

    public PatternConcatenationFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {
        super(indexSettings, name, settings);

        final String pattern1Str = settings.get("pattern1");
        final String pattern2Str = settings.get("pattern2", ".*");

        if (logger.isDebugEnabled()) {