FutureRemove futureRemove = p1.remove(lKey).setDomainKey(dKey).contentKey(cKey).start();
futureRemove.awaitUninterruptibly();
// check with a normal digest
FutureDigest futureDigest = p1.digest(lKey).setContentKey(cKey).setDomainKey(dKey).start();
futureDigest.awaitUninterruptibly();
assertTrue(futureDigest.getDigest().keyDigest().isEmpty());
// check with a from/to digest
futureDigest = p1.digest(lKey).from(new Number640(lKey, dKey, cKey, Number160.ZERO))
.to(new Number640(lKey, dKey, cKey, Number160.MAX_VALUE)).start();