- **Multi-language Support**: Built-in support for Japanese text processing with Kuromoji analyzer
- **Popular Words Analytics**: Track and analyze frequently searched terms
- **Flexible Text Processing**: Configurable converters and normalizers for text transformation
- **OpenSearch Integration**: Seamless integration with OpenSearch/Elasticsearch clusters
- **Asynchronous Operations**: Non-blocking suggestion requests with callback support

     * @param readingConverter The reading converter.
     * @param normalizer The normalizer.
     */
    public SuggestRequestBuilder(final Client client, final ReadingConverter readingConverter, final Normalizer normalizer) {
        super(client, new SuggestRequest());
        request.setReadingConverter(readingConverter);
        request.setNormalizer(normalizer);
    }

    /**
     * Sets the index for the request.

     * @param normalizer The Normalizer instance.
     * @param analyzer The SuggestAnalyzer instance.
     * @param threadPool The ExecutorService for thread pooling.
     */
    public Suggester(final Client client, final SuggestSettings settings, final ReadingConverter readingConverter,
            final ReadingConverter contentsReadingConverter, final Normalizer normalizer, final SuggestAnalyzer analyzer,

                return null;
            }
        };

        final Normalizer normalizer = (text, field, lang) -> null;

        final Suggester suggester = Suggester.builder()
                .settings(SuggestSettings.builder().setSettingsIndexName(settingsIndexName))
                .readingConverter(converter)
                .normalizer(normalizer)
                .build(runner.client(), id);

import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.index.contents.querylog.QueryLog;
import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.normalizer.NormalizerChain;

import junit.framework.TestCase;

public class DefaultContentsParserTest extends TestCase {
    DefaultContentsParser defaultContentsParser = new DefaultContentsParser();

<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />

	<!-- Converts child links to normalize it. -->
	<component name="urlConvertHelper" class="org.codelibs.fess.crawler.helper.UrlConvertHelper">
	</component>

        assertNotNull(converter);
    }

    @Test
    public void testCreateDefaultNormalizer() {
        // Test creating default normalizer
        Normalizer normalizer = SuggestUtil.createDefaultNormalizer(client, settings);
        assertNotNull(normalizer);
    }

    @Test
    public void testCreateDefaultAnalyzer() {
        // Test creating default analyzer

 * <li>{@link #ANALYZER_SETTINGS_READING_TERM_ANALYZER} - The reading term analyzer settings field.</li>
 * <li>{@link #ANALYZER_SETTINGS_NORMALIZE_ANALYZER} - The normalize analyzer settings field.</li>
 * <li>{@link #ANALYZER_SETTINGS_CONTENTS_ANALYZER} - The contents analyzer settings field.</li>

            return analyzerNameWithlang;
        }
        return analyzerName;
    }

    /**
     * Returns the name of the normalize analyzer for a given field and language.
     * @param field The field name.
     * @param lang The language.
     * @return The normalize analyzer name.
     */
    public String getNormalizeAnalyzerName(final String field, final String lang) {

    /**
     * PDF config file path.
     */
    public static final String TIKA_PDF_CONFIG = "tika.pdf.config";

    /**
     * A parameter key to normalize a text.
     */
    public static final String NORMALIZE_TEXT = "normalize_text";

    private static final String FILE_PASSWORD = "fess.file.password";

    /**
     * Output encoding.
     */