// Is there a KeyValue in 'snapshot' with the same TS? If so, upgrade the timestamp a bit.
SortedSet<KeyValue> snSs = snapshot.tailSet(firstKv);
if (!snSs.isEmpty()) {
KeyValue snKv = snSs.first();
// is there a matching KV in the snapshot?
if (snKv.matchingRow(firstKv) && snKv.matchingQualifier(firstKv)) {
if (snKv.getTimestamp() == now) {
// poop,
now += 1;
}
}