shards.add(result);
        }
        SearchRequest request = new SearchRequest();
        request.source(new SearchSourceBuilder().size(0).aggregation(AggregationBuilders.terms("test")));
        request.setBatchedReduceSize(bufferSize);
        ExecutorService executor = Executors.newFixedThreadPool(1);
        QueryPhaseResultConsumer consumer = new QueryPhaseResultConsumer(
            request,
            executor,