code: public BulkRequestBuilder buildDeleteBulkRequestBuilder(
              List<DeleteRequestBuilder> deleteRequestBuilderList) {
          BulkRequestBuilder bulkRequestBuilder = jmESClient.prepareBulk();
          for (DeleteRequestBuilder deleteRequestBuilder : deleteRequestBuilderList)
              bulkRequestBuilder.add(deleteRequestBuilder);
          return bulkRequestBuilder;
      }
docs: Build delete bulk request builder bulk request builder.
  
  @param deleteRequestBuilderList the delete request builder list
  @return the bulk request builder