@Override
  public String toString() {
    return getClass().getName() + "(sender=" + getSender()
        + "; processorId=" + processorId + "; newPRId=" + newId
        + ")";
  }
Empty constructor to support DataSerializable instantiation
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/IdentityUpdateMessage.java