code: public boolean isAurora() {
      if (haMode == HaMode.AURORA) {
        return true;
      }
      if (addresses != null) {
        for (HostAddress hostAddress : addresses) {
          Matcher matcher = AWS_PATTERN.matcher(hostAddress.host);
          if (matcher.find()) {
            return true;
          }
        }
      }
      return false;
    }
docs: Detection of Aurora.
  <p>
  Aurora rely on MySQL, then cannot be identified by protocol. But Aurora doesn't permit some
  behaviour normally working with MySQL : pipelining. So Driver must identified if server is
  Aurora to disable pipeline options that are enable by default.
  </p>
  
  @return true if aurora.