return new String[] { "exclude1", "exclude2" };
                    }

                    @Override
                    public Integer getSuggestPopularWordSizeAsInteger() {
                        return 10;
                    }

                    @Override
                    public Integer getSuggestPopularWordWindowSizeAsInteger() {
                        return 5;

                final PopularWordsRequestBuilder popularWordsRequestBuilder = suggestHelper.suggester()
                        .popularWords()
                        .setSize(fessConfig.getSuggestPopularWordSizeAsInteger())
                        .setWindowSize(fessConfig.getSuggestPopularWordWindowSizeAsInteger())
                        .setQueryFreqThreshold(fessConfig.getSuggestPopularWordQueryFreqAsInteger());