*/
    public FullWidthToHalfWidthAlphabetNormalizer() {
        // nothing
    }

    @Override
    public String normalize(final String text, final String field, final String... langs) {
        final char[] chars = new char[text.length()];
        for (int i = 0; i < chars.length; i++) {
            final char c = text.charAt(i);
            if (c >= 'ａ' && c <= 'ｚ') {

            dataMap.clear();
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) {
            if ("field".equals(qName)) {
                fieldName = attributes.getValue("name");
                if (StringUtil.isBlank(fieldName)) {
                    fieldName = null;
                }
                buffer.setLength(0);

   END OF TERMS AND CONDITIONS

   APPENDIX: How to apply the Apache License to your work.

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a

                    for (FileItem item : multiparts) {
                        if (!item.isFormField()) {
                            // item is not form field.
                        } else {
                            String name = item.getFieldName();
                            String value = item.getString();

         * tokenizerFactory = japaneseTokenizerFactory; } initialized = true;
         */
    }

    @Override
    public List<String> convert(final String text, final String field, final String... langs) throws IOException {
        final List<String> readingList = new ArrayList<>();
        readingList.add(toKatakana(text));
        return readingList;
    }

    /**

   END OF TERMS AND CONDITIONS

   APPENDIX: How to apply the Apache License to your work.

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a

 * <li>{@link #createMappingIfEmpty(String, String, Client)}: Creates the index mapping if it does not exist.</li>
 * <li>{@link #loadIndexSettings()}: Loads the index settings from a JSON file.</li>
 * </ul>
 *
 * <p>Fields:
 * <ul>
 * <li>{@link #logger}: Logger instance for logging debug information.</li>
 * <li>{@link #client}: OpenSearch client instance.</li>
 * <li>{@link #arraySettingsIndexName}: Name of the array settings index.</li>

    }

    @Override
    public void init() throws IOException {
        // nothing
    }

    @Override
    public List<String> convert(final String text, final String field, final String... lang) {
        final List<String> list = new ArrayList<>();

        final List<StringBuilder> bufList = new ArrayList<>();
        bufList.add(new StringBuilder());

    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields
    .execute()
    .getResponse();
```

## Project Structure

```
src/
├── main/java/org/codelibs/fess/suggest/
│   ├── Suggester.java              # Main suggester API

        startLatch.countDown();
        endLatch.await(5, TimeUnit.SECONDS);

        assertEquals(2, successCount.get());
    }

    /**
     * Test concurrent operations on different fields
     */
    public void test_concurrentOperations() throws Exception {
        final int threadCount = 10;
        final int operationsPerThread = 100;
        final CountDownLatch startLatch = new CountDownLatch(1);