@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);
    }
    if (versionTag != null) {
      buff.append("; version=").append(versionTag);
    }
    if (filterInfo != null) {
      buff.append("; ").append(filterInfo);
    }
  }
Assists the toString method in reporting the contents of this message

@see PartitionMessage#toString()
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/DestroyMessage.java