*/
    public Normalizer getNormalizer() {
        return normalizer;
    }

    /**
     * Creates a default SuggestIndexer instance.
     * @return A SuggestIndexer instance.
     */
    protected SuggestIndexer createDefaultIndexer() {
        return new SuggestIndexer(client, getUpdateAlias(index), readingConverter, contentsReadingConverter, normalizer, analyzer,
                suggestSettings, threadPool);

    @Test
    public void test_setNullIndexName() throws Exception {
        SuggestIndexer indexer = suggester.indexer();
        // Setting null index name should be allowed (though may cause issues later)
        indexer.setIndexName(null);
    }

    @Test
    public void test_setNullSupportedFields() throws Exception {
        SuggestIndexer indexer = suggester.indexer();
        // Setting null fields should be allowed

/**
 * Internal operations class for content-based indexing functionality.
 * Handles indexing from query logs, documents, and search words.
 *
 * <p>This class is package-private and intended for internal use by SuggestIndexer.
 */
public class ContentIndexingOperations {

    private static final Logger logger = LogManager.getLogger(ContentIndexingOperations.class);

    private final Client client;

        assertTrue(remainingWordsCount < totalWordsCount);
        assertTrue(remainingWordsCount > 0);
    }

    @Test
    public void test_setters() throws Exception {
        SuggestIndexer indexer = suggester.indexer();

        assertNotNull(indexer.setIndexName("test-index"));
        assertNotNull(indexer.setSupportedFields(new String[] { "field1", "field2" }));

│   │   ├── suggest/                # Suggestion requests
│   │   └── popularwords/           # Popular words requests
│   ├── index/                      # Indexing functionality
│   │   ├── SuggestIndexer.java     # Main indexing API
│   │   ├── contents/               # Content parsers and readers
│   │   └── writer/                 # Index writing strategies
│   ├── converter/                  # Text conversion utilities