docs: public static List<Filter> toFilters(List<DimFilter> dimFilters)
    {
      return ImmutableList.copyOf(
          FunctionalIterable
              .create(dimFilters)
              .transform(
                  new Function<DimFilter, Filter>()
                  {
                    @Override
                    public Filter apply(DimFilter input)
                    {
                      return input.toFilter();
                    }
                  }
              )
      );
    }