public SuggestBody() {
        // do nothing
    }

    /** The total number of words in the suggest index. */
    public Long totalWordsNum;

    /** The number of words from documents. */
    public Long documentWordsNum;

    /** The number of words from search queries. */
    public Long queryWordsNum;

    // 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();
        return asJson(new ApiResult.ApiConfigResponse().setting(body).status(ApiResult.Status.OK).result());
    }

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

    @Override
    protected String getActionRole() {
        return ROLE;
    }