public PopularWordsRequestBuilder setWindowSize(final int windowSize) {
        request.setWindowSize(windowSize);
        return this;
    }

    public PopularWordsRequestBuilder addExcludeWord(final String excludeWord) {
        request.addExcludeWord(excludeWord);
        return this;
    }

    public PopularWordsRequestBuilder setQueryFreqThreshold(final int queryFreqThreshold) {

                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 addLanguage(final String lang) {
        this.languages.add(lang);
    }

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

    public void addExcludeWord(final String excludeWord) {
        this.excludeWords.add(excludeWord);
    }

    public void setQueryFreqThreshold(final int queryFreqThreshold) {
        this.queryFreqThreshold = queryFreqThreshold;
    }

        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;