SuggestUtil.deleteByQuery(ComponentUtil.getSearchEngineClient(), suggester.settings(), suggester.getIndex(), boolQueryBuilder);
    }

    public long getAllWordsNum() {
        return suggester.getAllWordsNum();
    }

    public long getDocumentWordsNum() {
        return suggester.getDocumentWordsNum();
    }

    public long getQueryWordsNum() {

        suggester.refresh();

        assertEquals(2, suggester.getAllWordsNum());
        assertEquals(2, suggester.getDocumentWordsNum());
        assertEquals(1, suggester.getQueryWordsNum());

        suggester.indexer().deleteAll();
        suggester.refresh();
        assertEquals(0, suggester.getAllWordsNum());
        assertEquals(0, suggester.getDocumentWordsNum());

                suggestSettings, threadPool);
    }

    public String getIndex() {
        return index;
    }

    public long getAllWordsNum() {
        return getNum(QueryBuilders.matchAllQuery());
    }

    public long getDocumentWordsNum() {
        return getNum(QueryBuilders.rangeQuery(FieldNames.DOC_FREQ).gte(1));
    }