* ObjectUtil.defaultValue(Boolean.TRUE, true) = Boolean.TRUE
     * ObjectUtil.defaultValue(null, null) = null
     * </pre>
     *
     * @param <T> the type of the object
     * @param t the object (can be <code>null</code>)
     * @param defaultValue the object to return if t is <code>null</code> (can be <code>null</code>)
     * @return t if not <code>null</code>, otherwise defaultValue
     */

     *
     * @param props
     *            Property set. Must not be {@literal null}.
     * @param file
     *            File. Must not be {@literal null}.
     * @param encoding
     *            Encoding. Must not be {@literal null} or empty.
     * @param comments
     *            Comments.
     */

   *
   * @param q the blocking queue to be drained
   * @param buffer where to add the transferred elements
   * @param numElements the number of elements to be waited for
   * @param timeout how long to wait before giving up, in units of {@code unit}
   * @param unit a {@code TimeUnit} determining how to interpret the timeout parameter

     * @return The parameter value array.
     */
    public static String[] getParamValueArray(final HttpServletRequest request, final String param) {
        return simplifyArray(request.getParameterValues(param));
    }

    /**
     * Creates a facet info.
     *
     * @param request The request.
     * @return The facet info.
     */
    protected FacetInfo createFacetInfo(final HttpServletRequest request) {

    public HtmlResponse index() {
        saveToken();
        return asListHtml();
    }

    /**
     * Displays the failure URL list page with pagination support.
     *
     * @param pageNumber the page number to display
     * @param form the search form containing filter criteria
     * @return HTML response for the failure URL list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

        }
    }

    /**
     * Performs RDMA read operation.
     *
     * @param buffer the buffer to read into
     * @param remoteAddress remote memory address
     * @param remoteKey remote access key
     * @param length number of bytes to read
     * @return number of bytes read
     * @throws IOException if operation fails
     */

     *
     * @param groupId the group identifier, or {@code null} is unspecified
     * @param artifactId the artifact identifier, or {@code null} is unspecified
     * @param version the artifact version, or {@code null} is unspecified
     * @param classifier the artifact classifier, or {@code null} is unspecified
     * @param extension the artifact extension, or {@code null} is unspecified

     * The template is evaluated using the specified script engine with the value and context.
     *
     * @param dataMap the data map to modify
     * @param key the key to store the processed value under
     * @param value the original value to process
     * @param template the template script to evaluate
     * @param scriptType the type of script engine to use
     */

    /**
     * Constructor for PopularWordsRequestBuilder.
     * @param client The OpenSearch client.
     */
    public PopularWordsRequestBuilder(final Client client) {
        super(client, new PopularWordsRequest());
    }

    /**
     * Sets the index for the request.
     * @param index The index name.
     * @return This builder instance.
     */

     * Sets the settings index name.
     * @param settingsIndexName The settings index name.
     * @return This builder instance.
     */
    public SuggestSettingsBuilder setSettingsIndexName(final String settingsIndexName) {
        this.settingsIndexName = settingsIndexName.toLowerCase(Locale.ENGLISH);
        return this;
    }

    /**
     * Adds an initial setting.
     * @param key The key of the setting.