public <Request extends ActionRequest, Response extends ActionResponse> ActionFuture<Response> execute(
            final ActionType<Response> action, final Request request) {
        return client.execute(action, request);
    }

    @Override
    public <Request extends ActionRequest, Response extends ActionResponse> void execute(final ActionType<Response> action,

            if (ComponentUtil.getFessConfig().isSuggestDocuments()) {
                builder.addKind(SuggestItem.Kind.DOCUMENT.toString());
            }

            final SuggestResponse suggestResponse = builder.execute().getResponse();

            buf.append("\"query_time\":").append(suggestResponse.getTookMs());
            buf.append(",\"record_count\":").append(suggestResponse.getTotal());