/**
 * Helper class for sending notifications to various platforms.
 */
public class NotificationHelper {

    /**
     * Default constructor.
     */
    public NotificationHelper() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(NotificationHelper.class);

    /** Line feed character for message formatting. */
    protected static final char LF = '\n';

                }
                final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
                try {
                    final NotificationHelper notificationHelper = ComponentUtil.getNotificationHelper();
                    SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);
                    EsStatusPostcard.droppedInto(postbox, postcard -> {

            }

            final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
            final NotificationHelper notificationHelper = ComponentUtil.getNotificationHelper();
            try {
                SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);
                LogNotificationPostcard.droppedInto(postbox, postcard -> {

	</component>
	<component name="indexingHelper" class="org.codelibs.fess.helper.IndexingHelper">
	</component>
	<component name="notificationHelper" class="org.codelibs.fess.helper.NotificationHelper">
	</component>
	<component name="logNotificationHelper" class="org.codelibs.fess.helper.LogNotificationHelper">
	</component>

    private static final int MAX_THROWABLE_LENGTH = 500;

    private static final Set<String> EXCLUDED_LOGGERS = Set.of( //
            "org.codelibs.fess.helper.NotificationHelper", //
            "org.codelibs.fess.util.LogNotificationAppender", //
            "org.codelibs.fess.job.LogNotificationJob", //
            "org.codelibs.fess.timer.LogNotificationTarget", //