throw new RuntimeException("We should never be here.");
}
final HLL hll = newHLL(HLLType.EMPTY);
for(int i=0; i<cardinalityBaseline; i++) {
hll.addRaw(random.nextLong());
}
for(int i=0; i<random.nextInt(cardinalityCap - cardinalityBaseline); i++) {
hll.addRaw(random.nextLong());
}