@Override
  public void unregisterInterestRegex(String regex) {
    ServerRegionProxy proxy = getServerProxy();
    if (proxy != null) {
      proxy.unregisterInterest(regex, InterestType.REGULAR_EXPRESSION, false, false);
    } else {
      throw new UnsupportedOperationException(
          "Interest unregistration requires a pool.");
    }
  }
Bump this number any time an incompatible change is made to the snapshot format.
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java