PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 10, items);

        assertNotNull(response);
        assertEquals("test-index", response.getIndex());
        assertEquals(100, response.getTookMs());
        assertEquals(2, response.getNum());
        assertEquals(10, response.getTotal());
        assertEquals(2, response.getWords().size());
        assertEquals(1, response.getItems().size());
    }

        SuggestResponse response = new SuggestResponse("test-index", 100, words, 10, items);

        assertNotNull(response);
        assertEquals("test-index", response.getIndex());
        assertEquals(100, response.getTookMs());
        assertEquals(2, response.getNum());
        assertEquals(10, response.getTotal());
        assertEquals(2, response.getWords().size());
        assertEquals(1, response.getItems().size());
    }

     */
    public String getIndex() {
        return index;
    }

    /**
     * Returns the time taken in milliseconds.
     * @return The time taken.
     */
    public long getTookMs() {
        return tookMs;
    }

    /**
     * Returns the list of suggested words.
     * @return The list of words.
     */
    public List<String> getWords() {
        return words;
    }

        return index;
    }

    /**
     * Returns the time taken to generate the response in milliseconds.
     *
     * @return the time taken in milliseconds
     */
    public long getTookMs() {
        return tookMs;
    }

    /**
     * Returns the list of popular words.
     *
     * @return the list of popular words
     */
    public List<String> getWords() {
        return words;