class AbstractSysNoticeSender extends AbstractMessageSender {

    @Override
    protected void sendMessage(Long toUserId, String messageTitle, String messageContent) {<FILL_FUNCTION_BODY>}

}

        // 生成消息的发送时间
        LocalDateTime messageDateTime = LocalDateTime.now();
        // TODO 在数据库系统通知表中插入一条记录
        log.info("系统通知发送成功，{},{},{},{}", toUserId, messageDateTime.format(DateTimeFormatter.ISO_DATE_TIME),
            messageTitle, messageContent);
    
<methods>public non-sealed void <init>() ,public final transient void sendMessage(java.lang.Long, java.lang.Object[]) <variables>private static final java.lang.String PLACEHOLDER