code: public SearchResponse searchAll(boolean isSetExplain, String[] indices,
              String[] types, QueryBuilder filterQueryBuilder) {
          return searchAll(isSetExplain, indices, types,
                  filterQueryBuilder, null);
      }
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
  @return the search response