code: public SearchResponse searchAll(boolean isSetExplain, String[] indices,
              String[] types, QueryBuilder filterQueryBuilder,
              AggregationBuilder[] aggregationBuilders) {
          return searchQuery(getSearchRequestBuilderWithMatchAll(isSetExplain,
                  indices, types, filterQueryBuilder,
                  aggregationBuilders));
      }
docs: Search all search response.
  
  @param isSetExplain        the is set explain
  @param indices             the indices
  @param types               the types
  @param filterQueryBuilder  the filter query builder
  @param aggregationBuilders the aggregation builders
  @return the search response