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());

    // GET /api/admin/suggest
    @Execute
    public JsonResponse<ApiResult> get$index() {
        final SuggestBody body = new SuggestBody();
        body.totalWordsNum = suggestHelper.getAllWordsNum();
        body.documentWordsNum = suggestHelper.getDocumentWordsNum();
        body.queryWordsNum = suggestHelper.getQueryWordsNum();

        super.setupHtmlData(runtime);
        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameSuggest()));
        runtime.registerData("totalWordsNum", suggestHelper.getAllWordsNum());
        runtime.registerData("documentWordsNum", suggestHelper.getDocumentWordsNum());
        runtime.registerData("queryWordsNum", suggestHelper.getQueryWordsNum());
    }

    @Override

                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));
    }