}

    /**
     * Adds an exclude word.
     * @param excludeWord The word to exclude.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder addExcludeWord(final String excludeWord) {
        request.addExcludeWord(excludeWord);
        return this;
    }

    /**
     * Sets the query frequency threshold.
     * @param queryFreqThreshold The query frequency threshold.

    }

    @Test
    public void test_addExcludeWord() throws Exception {
        indexQueryItems();

        PopularWordsResponse response = suggester.popularWords().setSize(10).addExcludeWord("クエリ0").execute().getResponse();

        assertNotNull(response);
        for (String word : response.getWords()) {
            assertTrue(!word.equals("クエリ0"));
        }
    }

    @Test

        assertNotNull(response);
    }

    @Test
    public void test_addExcludeWord() throws Exception {
        indexItems();

        PopularWordsResponse response = suggester.popularWords().addExcludeWord("test").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_setWindowSize() throws Exception {
        indexItems();

                stream(baseFields).of(stream -> stream.forEach(field -> popularWordsRequestBuilder.addField(field)));
                stream(baseExcludes).of(stream -> stream.forEach(exclude -> popularWordsRequestBuilder.addExcludeWord(exclude)));
                try {
                    popularWordsRequestBuilder.execute().getResponse().getItems().stream().forEach(item -> wordList.add(item.getText()));
                } catch (final SuggesterException e) {

    public void setDetail(final boolean detail) {
        this.detail = detail;
    }

    /**
     * Adds an exclude word.
     * @param excludeWord The word to exclude.
     */
    public void addExcludeWord(final String excludeWord) {
        excludeWords.add(excludeWord);
    }

    /**
     * Sets the query frequency threshold.
     * @param queryFreqThreshold The query frequency threshold.
     */

        suggester.indexer().index(items);
        suggester.refresh();

        final String excludeWord = "クエリー1";
        PopularWordsResponse response = suggester.popularWords().setSize(2).addExcludeWord(excludeWord).execute().getResponse();

        assertEquals(4, response.getTotal());

        for (int i = 0; i < 5; i++) {
            assertEquals(2, response.getNum());
            boolean find = false;