final LeaseBackEndImpl backend = new LeaseBackEndImpl(leaseCount);
for (int i=0; i<leaseCount; i+=2) {
long initExpiration = System.currentTimeMillis() + renewGrant;
LeaseOwner o = new ForeverOwner(initExpiration, renewGrant,
latencySlop, Lease.FOREVER, this, true, getConfig());
Lease l = backend.newLease(o, initExpiration);
setKeep.renewFor(l, Lease.FOREVER);
initExpiration = System.currentTimeMillis() + renewGrant;