code: public boolean deleteBulkDocs(List<String> indexList, List<String> typeList,
              QueryBuilder filterQueryBuilder) {
          return indexList.stream().flatMap(index -> typeList.stream()
                  .map(type -> deleteBulkDocs(index, type, filterQueryBuilder)))
                  .noneMatch(BulkResponse::hasFailures);
      }
docs: Delete bulk docs boolean.
  
  @param indexList          the index list
  @param typeList           the type list
  @param filterQueryBuilder the filter query builder
  @return the boolean