}

    @Test
    public void test_getNum() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");
        words.add("word2");
        words.add("word3");
        words.add("word4");

        PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 20, new ArrayList<>());

        assertEquals(4, response.getNum());
    }

    @Test

    }

    @Test
    public void test_getNum() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");
        words.add("word2");
        words.add("word3");

        SuggestResponse response = new SuggestResponse("test-index", 100, words, 20, new ArrayList<>());

        assertEquals(3, response.getNum());
    }

    @Test

                final String[] words = SuggestUtil.parseQuery(queryString, field);
                if (words.length == 0) {
                    continue;
                }

                final String[][] readings = new String[words.length][];
                for (int j = 0; j < words.length; j++) {
                    words[j] = normalizer.normalize(words[j], field, "");

                    logger.warn("Failed to generate popular words.", e);
                }

                return wordList;
            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to load popular words.", e);
        }
        return Collections.emptyList();
    }

    /**
     * Clears all cached popular word lists.
     */
    public void clearCache() {

    }

    /**
     * Gets the new input words.
     * Returns a defensive copy to prevent external modification.
     *
     * @return The new input words (defensive copy).
     */
    public String[] getNewInputs() {
        return newInputs == null ? null : newInputs.clone();
    }

    /**
     * Sets the new input words.
     *
     * @param newInputs The new input words.
     */

 *   <li>{@code ELEVATE_WORD_TAGS} - The key for elevate word tags.</li>
 *   <li>{@code ELEVATE_WORD_ROLES} - The key for elevate word roles.</li>
 * </ul>
 *
 * <p>Methods:</p>
 * <ul>
 *   <li>{@code get()} - Retrieves an array of elevate words from the settings.</li>
 *   <li>{@code add(ElevateWord elevateWord)} - Adds a new elevate word to the settings.</li>

/**
 * The BadWordSettings class manages the settings related to bad words.
 * It allows adding, deleting, and retrieving bad words from the settings.
 * It also supports loading default bad words from a file.
 */
public class BadWordSettings {
    private static final Logger logger = LogManager.getLogger(BadWordSettings.class);

    /** Key for bad word settings. */
    public static final String BAD_WORD_SETTINGS_KEY = "badword";

import org.opensearch.transport.client.Client;

/**
 * Represents a request for popular words. This class extends {@link Request} and is parameterized
 * with {@link PopularWordsResponse}. It allows specifying various criteria for retrieving popular words,
 * such as index, size, tags, roles, fields, languages, and exclusion words.
 *
 * <p>Key functionalities include:</p>
 * <ul>
 *   <li>Setting the target index for the search.</li>

    /**
     * Gets a specific protected words item by ID.
     * @param dictId the dictionary ID
     * @param id the item ID
     * @return the protected words item if found
     */
    public OptionalEntity<ProtwordsItem> getProtwordsItem(final String dictId, final long id) {
        return getProtwordsFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a protected words item (insert or update).

     *
     * @param word        The elevate word.
     * @param reading     The reading of the word.
     * @param tags        The tags associated with the word.
     * @param permissions The permissions for the word.
     * @param boost       The boost value for the word.
     * @param apply       true to apply the changes immediately.
     */