code: public TemplateFilter dataCentersWhere(Predicate<DataCenterMetadata> predicate) {
          checkNotNull(predicate, "Predicate must be not a null");
  
          dataCenter.where(predicate);
          return this;
      }
docs: Method allow to provide custom filter predicate
  
  @param predicate is not null filtering expression
  @return {@link TemplateFilter}
  @throws java.lang.NullPointerException if {@code predicate} is null