protected Map<K, V> getValues(final Set<K> keys) {
    ResultCollector resultCollector = onRegion().withFilter(keys)
        .withCollector(new MapResultCollector()).execute(LuceneGetPageFunction.ID);
    return (Map<K, V>) resultCollector.getResult();
  }
The page size the user wants.
geode-lucene/src/main/java/org/apache/geode/cache/lucene/internal/PageableLuceneQueryResultsImpl.java