@Override
    protected void sendMessage(Connection cnx) throws Exception {
      getMessage().clearMessageHasSecurePartFlag();
      getMessage().send(false);
    }
Indicates to the server that a transaction is failing over to this server. The server then
performs the necessary bootstrapping for the tx.

@since GemFire 6.6
geode-core/src/main/java/org/apache/geode/cache/client/internal/TXFailoverOp.java