if ((input.getSecond() == null) || (input.getSecond() instanceof MissingValue)) {
missing.add(input.getFirst());
} else {
final ComputedValue value = new ComputedValue(input.getFirst(), input.getSecond());
inputs.add(value);
final Integer bytes = cache.estimateValueSize(value);
if (bytes != null) {
inputBytes += bytes;
inputSamples++;
}
}