public void test_convert() {
        KatakanaToAlphabetConverter katakanaToAlphabetConverter = new KatakanaToAlphabetConverter();
        assertTrue(katakanaToAlphabetConverter.convert("ケンサク", null).contains("kennsaku"));
    }

         * chain.addConverter(new KatakanaToAlphabetConverter()); chain.init();
         *
         * List<String> list = chain.convert("検索"); assertTrue(list.contains("ケンサク"));
         * assertTrue(list.contains("kennsaku"));
         */
    }

        suggester.refresh();

        SuggestResponse response = suggester.suggest().setQuery("kensaku").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response.getNum());
        assertEquals("検索 エンジン", response.getWords().get(0));

        response = suggester.suggest().setQuery("kensaku　 enj").execute().getResponse();
        assertEquals(1, response.getNum());

```java
import org.codelibs.fess.suggest.entity.SuggestItem;

// Create suggestion item with text, readings, and metadata
String[][] readings = new String[2][];
readings[0] = new String[]{"kensaku", "engine"};
readings[1] = new String[]{"search", "injin"};

String[] tags = new String[]{"technology", "search"};
String[] roles = new String[]{"admin", "user"};

SuggestItem item = new SuggestItem(