* @param skipDuplicateWords True to skip duplicate words, false otherwise.
     * @return This builder instance.
     */
    public SuggestRequestBuilder setSkipDuplicateWords(final boolean skipDuplicateWords) {
        request.setSkipDuplicateWords(skipDuplicateWords);
        return this;
    }

    /**
     * Adds a language to filter by.
     * @param lang The language.

 * suggestRequest.setNormalizer(new MyNormalizer());
 * suggestRequest.setPrefixMatchWeight(1.5f);
 * suggestRequest.setMatchWordFirst(false);
 * suggestRequest.setSkipDuplicateWords(false);
 * </pre>
 *
 * <p>Note: This class is designed to work with OpenSearch and requires appropriate dependencies and configurations.</p>
 *
 * @see Request
 * @see SuggestResponse
 */