.remove(Number160.createHash(locationKey))
.from(new Number640(Number160.createHash(locationKey), Number160.ZERO, Number160
.createHash(contentKey), Number160.ZERO))
.to(new Number640(Number160.createHash(locationKey), Number160.ZERO, Number160
.createHash(contentKey), Number160.MAX_VALUE)).start();
futureRemove.awaitUninterruptibly();
FutureDigest futureDigest = p1
.digest(Number160.createHash(locationKey))
.from(new Number640(Number160.createHash(locationKey), Number160.ZERO, Number160
.createHash(contentKey), Number160.ZERO))