prev = current;
            count++;
        }
        assertEquals(num, count);
    }

    private void addDocument(String indexName, Client client, int num) {
        BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();
        for (int i = 0; i < num; i++) {
            final Map<String, Object> source = new HashMap<>();
            source.put("field1", "test" + i);
            source.put("field2", i);

    }

    @Override
    public SuggestWriterResult write(final Client client, final SuggestSettings settings, final String index, final SuggestItem[] items,
            final boolean update) {
        final BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();

        final SuggestItem[] mergedItems = mergeItems(items);
        if (mergedItems.length == 0) {
            return new SuggestWriterResult();
        }

        private final List<E> parent;

        private final RequestOptionCall<BulkRequestBuilder> call;

        private final RequestOptionCall<B> entityCall;

        public BulkList(final List<E> parent, final RequestOptionCall<BulkRequestBuilder> call, final RequestOptionCall<B> entityCall) {
            this.parent = parent;
            this.entityCall = entityCall;

        private final List<E> parent;

        private final RequestOptionCall<BulkRequestBuilder> call;

        private final RequestOptionCall<B> entityCall;

        public BulkList(final List<E> parent, final RequestOptionCall<BulkRequestBuilder> call, final RequestOptionCall<B> entityCall) {
            this.parent = parent;
            this.entityCall = entityCall;

                        break;
                    }

                    final BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();
                    Stream.of(hits).map(SearchHit::getId).forEach(id -> bulkRequestBuilder.add(new DeleteRequest(index, id)));

                    final BulkResponse bulkResponse = bulkRequestBuilder.execute().actionGet(settings.getBulkTimeout());
                    if (bulkResponse.hasFailures()) {

        private final List<E> parent;

        private final RequestOptionCall<BulkRequestBuilder> call;

        private final RequestOptionCall<B> entityCall;

        public BulkList(final List<E> parent, final RequestOptionCall<BulkRequestBuilder> call, final RequestOptionCall<B> entityCall) {
            this.parent = parent;
            this.entityCall = entityCall;

        final SearchHits mockScrollHits = mock(SearchHits.class);
        final ActionFuture<SearchResponse> mockScrollFuture = mock(ActionFuture.class);

        final BulkRequestBuilder mockBulkBuilder = mock(BulkRequestBuilder.class);
        final BulkResponse mockBulkResponse = mock(BulkResponse.class);
        final ActionFuture<BulkResponse> mockBulkFuture = mock(ActionFuture.class);

import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;
import org.opensearch.action.DocWriteRequest.OpType;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.support.WriteRequest.RefreshPolicy;
import org.opensearch.action.update.UpdateRequestBuilder;

import org.opensearch.action.admin.indices.segments.IndicesSegmentResponse;
import org.opensearch.action.admin.indices.segments.PitSegmentsRequest;
import org.opensearch.action.bulk.BulkRequest;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.delete.DeleteRequest;
import org.opensearch.action.delete.DeleteRequestBuilder;
import org.opensearch.action.delete.DeleteResponse;

            final BiConsumer<Map<String, Object>, IndexRequestBuilder> options) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();
        for (final Map<String, Object> doc : docList) {
            final Object id = doc.remove(fessConfig.getIndexFieldId());