code: public GroupFilter dataCentersWhere(Predicate<DataCenterMetadata> predicate) {
          dataCenterFilter.where(
              dataCenterFilter.getPredicate().or(predicate)
          );
  
          return this;
      }
docs: Method allow to provide filtering predicate that restrict group by data centers that contains its.
  
  @param predicate is not null filtering predicate
  @return {@link GroupFilter}