code: @Override
    public FilterSupportStatus isFilterSupported(
        FilterAdapterContext context,
        ColumnRangeFilter filter) {
      // We require a single column family to be specified:
      int familyCount = context.getScan().numFamilies();
      if (familyCount != 1) {
        return UNSUPPORTED_STATUS;
      }
      return FilterSupportStatus.SUPPORTED;
    }
docs: {@inheritDoc}