searchHits.forEach(hit -> {
            final Map<String, Object> source = hit.getSourceAsMap();
            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());

		trace[i] = getRand(b) % 32768
	}

	b.ResetTimer()

	var hit, miss int
	for i := 0; i < 2*b.N; i++ {
		if i%2 == 0 {
			l.Add(trace[i], trace[i])
		} else {
			if _, ok := l.Get(trace[i]); ok {
				hit++
			} else {
				miss++
			}
		}
	}
	b.Logf("hit: %d miss: %d ratio: %f", hit, miss, float64(hit)/float64(hit+miss))
}

func BenchmarkLRU_Freq_NoExpire(b *testing.B) {

        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        return client.<SearchHit> scrollSearch(index, searchRequestBuilder -> true, (searchResponse, hit) -> hit,
                hit -> callback.apply(hit));
    }

    /**
     * Converts a ToXContent object to its string representation using the specified media type.
     *
     * @param xContent the content object to convert

        searchHits.forEach(hit -> {
            final Map<String, Object> source = hit.getSourceAsMap();
            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());

        searchHits.forEach(hit -> {
            final Map<String, Object> source = hit.getSourceAsMap();
            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());

                }, (searchResponse, hit) -> {
                    final Map<String, Object> docMap = new HashMap<>();
                    final Map<String, Object> source = hit.getSourceAsMap();
                    if (source != null) {
                        docMap.putAll(source);
                    }
                    final Map<String, DocumentField> fields = hit.getFields();
                    if (fields != null) {

                }
                return option.setFetchSource(new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldLang() }, null);
            }, (builder, hit) -> {
                try {
                    final Map<String, Object> doc = hit.getSourceAsMap();
                    final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                    if (StringUtil.isNotBlank(url)) {

                                docMap.put(fessConfig.getQueryCollapseInnerHitsName(), StreamUtil.stream(innerSearchHits.getHits())
                                        .get(stream -> stream.map(hit -> parseSearchHit(fessConfig, hlPrefix, hit)).toArray(Map[]::new)));
                            }
                        }
                    }
                }

                builder.addDocument(docMap);
            }

     * @param <H> the hit type
     */
    public interface EntityCreator<T, R, H> {
        /**
         * Creates an entity from a search response and hit.
         *
         * @param response the search response
         * @param hit      the individual search hit
         * @return the created entity
         */
        T build(R response, H hit);
    }

    /**

                        SearchEngineUtil.scroll(index, hit -> {
                            try {
                                writer.write("{\"index\":{\"_index\":\"" + index + "\",\"_id\":\""
                                        + StringEscapeUtils.escapeJson(hit.getId()) + "\"}}\n");
                                writer.write(hit.getSourceAsString());
                                writer.write("\n");