.setTags(new String[]{"category"})      // filter by tags
    .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/

        item.setReadings(newReadings);
        assertArrayEquals(newReadings, item.getReadings());

        // Test fields
        String[] fields = { "field1", "field2" };
        item.setFields(fields);
        assertArrayEquals(fields, item.getFields());

        // Test tags
        String[] tags = { "tag1", "tag2" };
        item.setTags(tags);
        assertArrayEquals(tags, item.getTags());

        // Test roles

            mergedItem.readings[i] = list.toArray(new String[list.size()]);
        }

        final List<String> fieldList = new ArrayList<>(item1.getFields().length + item2.getFields().length);
        Collections.addAll(fieldList, item1.getFields());
        for (final String field : item2.getFields()) {
            if (!fieldList.contains(field)) {
                fieldList.add(field);
            }
        }

        assertEquals(word, elevateWord.getElevateWord());
        assertEquals(boost, elevateWord.getBoost(), 0.001f);
        assertEquals(readings, elevateWord.getReadings());
        assertEquals(fields, elevateWord.getFields());
        assertEquals(tags, elevateWord.getTags());
        assertEquals(roles, elevateWord.getRoles());
    }

    @Test
    public void testConstructorWithNullTags() {
        // Test constructor with null tags

    public List<String> getReadings() {
        return readings;
    }

    /**
     * Returns the list of fields.
     *
     * @return the list of fields
     */
    public List<String> getFields() {
        return fields;
    }

    /**
     * Returns the list of tags.
     *
     * @return the list of tags
     */
    public List<String> getTags() {
        return tags;
    }

        source.put(ELEVATE_WORD_BOOST, elevateWord.getBoost());
        source.put(ELEVATE_WORD_READING, elevateWord.getReadings());
        source.put(ELEVATE_WORD_FIELDS, elevateWord.getFields());
        source.put(ELEVATE_WORD_TAGS, elevateWord.getTags());
        source.put(ELEVATE_WORD_ROLES, elevateWord.getRoles());

     */
    protected QueryRescorerBuilder buildRescore() {
        return new QueryRescorerBuilder(
                QueryBuilders.functionScoreQuery(ScoreFunctionBuilders.randomFunction().seed(seed).setField("_seq_no"))).setQueryWeight(0)
                        .setRescoreQueryWeight(1);
    }

    /**
     * Creates a PopularWordsResponse from the OpenSearch SearchResponse.

        final String[][] readings = item.getReadings();
        for (int i = 0; i < readings.length; i++) {
            secondLine.put("reading_" + i, readings[i]);
        }

        secondLine.put("fields", item.getFields());
        secondLine.put("queryFreq", item.getQueryFreq());
        secondLine.put("docFreq", item.getDocFreq());
        secondLine.put("userBoost", item.getUserBoost());

        final ElevateWord normalized = new ElevateWord(normalizedWord, elevateWord.getBoost(), normalizedReadings, elevateWord.getFields(),
                elevateWord.getTags(), elevateWord.getRoles());
        settings.elevateWord().add(normalized);
        if (apply) {
            return index(normalized.toSuggestItem());
        }