@Override
  public void toData(DataOutput out,
      SerializationContext context) throws IOException {
    super.toData(out, context);
    out.writeLong(_refreshInterval);
  }
Distribution message, sets refresh time interval in member's alerts manager

@see StatAlertsManager

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/admin/remote/ChangeRefreshIntervalMessage.java