private void addConjunctionPostingLists(PredicateQuery query, List<PostingList> postingLists) {
            List<ConjunctionHit> hits = conjunctionIndexSearcher.search(query);
            for (ConjunctionHit hit : hits) {
                SimpleIndex.Entry e = conjunctionIntervalIndex.getPostingList(hit.conjunctionId);
                if (e != null) {
                    postingLists.add(new IntervalPostingList(intervalStore, e.docIds, e.dataRefs, hit.subqueryBitmap));
                }
            }
        }
Retrieves a stream of hits for the given query.

@param query Specifies the boolean variables that are true.
@return A stream of hits.
predicate-search/src/main/java/com/yahoo/search/predicate/PredicateIndex.java