settings.elevateWord().add(elevateWord1);
        settings.elevateWord().add(elevateWord2);
        settings.elevateWord().add(elevateWord3);

        assertEquals(3, settings.elevateWord().get().length);
        assertEquals(elevateWord1.getElevateWord(), settings.elevateWord().get()[0].getElevateWord());
        assertEquals(elevateWord1.getBoost(), settings.elevateWord().get()[0].getBoost(), 0);

        settings.array().add(key, value3);
        assertEquals(3, settings.array().get(key).length);
        assertEquals(value1, settings.array().get(key)[0]);
        assertEquals(value2, settings.array().get(key)[1]);
        assertEquals(value3, settings.array().get(key)[2]);

        settings.array().delete(key, value2);
        assertEquals(2, settings.array().get(key).length);
        assertEquals(value1, settings.array().get(key)[0]);

    /**
     * Sets the suggest settings.
     * @param settings The suggest settings.
     * @return This builder instance.
     */
    public SuggesterBuilder settings(final SuggestSettings settings) {
        this.settings = settings;
        settingsBuilder = null;
        return this;
    }

    /**
     * Sets the suggest settings builder.
     * @param settingsBuilder The suggest settings builder.

     * @param settings The SuggestSettings instance.
     * @param indexName The name of the index to read from.
     */
    public ESSourceReader(final Client client, final SuggestSettings settings, final String indexName) {
        this.client = client;
        this.settings = settings;
        this.indexName = indexName;
        supportedFields = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);

    @Override
    public SuggestWriterResult write(final Client client, final SuggestSettings settings, final String index, final SuggestItem[] items,
            final boolean update) {
        throw new UnsupportedOperationException("not yet.");
    }

    @Override
    public SuggestWriterResult delete(final Client client, final SuggestSettings settings, final String index, final String id) {
        throw new UnsupportedOperationException("not yet.");

     * @param settings the suggest settings to be used for creating the normalizer
     * @return a NormalizerChain with the default normalizers
     */
    public static Normalizer createDefaultNormalizer(final Client client, final SuggestSettings settings) {
        final NormalizerChain normalizerChain = new NormalizerChain();
        normalizerChain.add(new AnalyzerNormalizer(client, settings));
        /*

/**
 * The SuggestSettings class is responsible for managing the settings related to suggestions.
 * It interacts with an OpenSearch client to store and retrieve settings.
 *
 * <p>This class provides methods to initialize settings, get and set individual settings,
 * and manage various types of settings such as array settings, analyzer settings, bad word settings,
 * and elevate word settings.</p>
 *

/target/
/.settings/
/fess-crawler*/target/
/fess-crawler*/bin/
/fess-crawler*/mydbflute/
/fess-crawler*/.project
/fess-crawler*/.classpath
/fess-crawler*/.settings/
/fess-crawler*/dependency-reduced-pom.xml
/fess-crawler*/dbflute_crawler/log/*.log
/fess-crawler*/dbflute_crawler/schema/project-schema-robot.xml
/fess-crawler/phantomjsdriver.log
.project
.idea
*.iml
/.vscode

     * The settings for suggestions.
     */
    private final SuggestSettings settings;

    /**
     * Constructs an AnalyzerNormalizer with the specified client and settings.
     *
     * @param client   the OpenSearch client
     * @param settings the settings for suggestions
     */
    public AnalyzerNormalizer(final Client client, final SuggestSettings settings) {
        this.client = client;
        this.settings = settings;

        // nothing
    }

    /** The settings index name. */
    protected String settingsIndexName = "fess_suggest";

    /** The timeout settings. */
    protected TimeoutSettings timeoutSettings = new TimeoutSettings();

    /** The initial settings. */
    protected Map<String, Object> initialSettings = new HashMap<>();

    /**
     * Sets the settings index name.