data.register(key, BeanUtil.copyBeanToNewMap(value));
        } else {
            if ((value instanceof final Collection<?> coll) && !coll.isEmpty()) {
                // care performance for List that the most frequent pattern
                final Object first = coll instanceof List<?> ? ((List<?>) coll).get(0) : coll.iterator().next();
                if (first instanceof Entity) {

        return buf.toString();
    }

    protected void sendToGoogleChat(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://developers.google.com/hangouts/chat/how-tos/webhooks
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String googleChatWebhookUrls = fessConfig.getGoogleChatWebhookUrls();
        if (StringUtil.isBlank(googleChatWebhookUrls)) {

    public static final String NOTIFICATION_TO_PROPERTY = "notification.to";

    public static final String SLACK_WEBHOOK_URLS_PROPERTY = "slack.webhook.urls";

    public static final String GOOGLE_CHAT_WEBHOOK_URLS_PROPERTY = "google.chat.webhook.urls";

    public static final String USE_BROWSER_LOCALE_FOR_SEARCH_PROPERTY = "search.use.browser.locale";

    public static final String SUGGEST_SEARCH_LOG_PROPERTY = "suggest.searchlog";

            }
        }
        if (logger.isDebugEnabled()) {
            logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        // validate that state in response equals to state in request
        final StateData stateData = validateState(request.getSession(), params.containsKey(STATE) ? params.get(STATE).get(0) : null);
        if (logger.isDebugEnabled()) {

        return new ConditionBeanExceptionThrower();
    }

    @Override
    public void xsetPaging(boolean paging) {
        // Do nothing because this is unsupported on ConditionBean.
        // And it is possible that this method is called by PagingInvoker.
    }

    @Override
    public void enablePagingCountLater() {
        // nothing
    }

    @Override
    public void disablePagingCountLater() {

    }

    default void setGoogleChatWebhookUrls(final String value) {
        setSystemProperty(Constants.GOOGLE_CHAT_WEBHOOK_URLS_PROPERTY, value);
    }

    default String getGoogleChatWebhookUrls() {
        return getSystemProperty(Constants.GOOGLE_CHAT_WEBHOOK_URLS_PROPERTY, StringUtil.EMPTY);
    }

    default void setNotificationTo(final String value) {

        return new ConditionBeanExceptionThrower();
    }

    @Override
    public void xsetPaging(boolean paging) {
        // Do nothing because this is unsupported on ConditionBean.
        // And it is possible that this method is called by PagingInvoker.
    }

    @Override
    public void enablePagingCountLater() {
        // nothing
    }

    @Override
    public void disablePagingCountLater() {

        return new ConditionBeanExceptionThrower();
    }

    @Override
    public void xsetPaging(boolean paging) {
        // Do nothing because this is unsupported on ConditionBean.
        // And it is possible that this method is called by PagingInvoker.
    }

    @Override
    public void enablePagingCountLater() {
        // nothing
    }

    @Override
    public void disablePagingCountLater() {