@Override
  protected void appendFields(StringBuilder buff) {
    super.appendFields(buff);
    buff.append("; key=").append(getKey());
    if (originalSender != null) {
      buff.append("; originalSender=").append(originalSender);
    }
    if (bridgeContext != null) {
      buff.append("; bridgeContext=").append(bridgeContext);
    }
    if (eventId != null) {
      buff.append("; eventId=").append(eventId);
    }
    buff.append("; hasOldValue= ").append(hasOldValue);
  }
Assists the toString method in reporting the contents of this message
geode-core/src/main/java/org/apache/geode/internal/cache/tx/RemoteDestroyMessage.java