code: public void deleteBulkDocsAsync(String index, String type,
              QueryBuilder filterQueryBuilder) {
          executeBulkRequestAsync(buildDeleteBulkRequestBuilder(
                  buildExtractDeleteRequestBuilderList(index, type,
                          filterQueryBuilder)));
      }
docs: Delete bulk docs async.
  
  @param index              the index
  @param type               the type
  @param filterQueryBuilder the filter query builder