void expireClientTransactionsOnRemoteServer(Set<TXId> txIds) {
    // tell other VMs to also add tasks to expire the transactions
    ExpireDisconnectedClientTransactionsMessage.send(dm,
        dm.getOtherDistributionManagerIds(), txIds);
  }
timer task for expiring the given TXStates
geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java