@Override
  public int getDSFID() {
    return TX_LOCK_UPDATE_PARTICIPANTS_MESSAGE;
  }
Update the Grantor with a new set of Participants. This method is meant to be used in a local
context (does <b>NOT</b> involve any messaging)
geode-core/src/main/java/org/apache/geode/internal/cache/locks/TXLockUpdateParticipantsMessage.java