docs: protected void addFacetOptions(StringBuffer query) {
  
          // start
          appendFacetOption(query, "range.start", m_config.getStart());
          // end
          appendFacetOption(query, "range.end", m_config.getEnd());
          // gap
          appendFacetOption(query, "range.gap", m_config.getGap());
          // other
          for (I_CmsSearchConfigurationFacetRange.Other o : m_config.getOther()) {
              appendFacetOption(query, "range.other", o.toString());
          }
          // hardend
          appendFacetOption(query, "range.hardend", Boolean.toString(m_config.getHardEnd()));
          // mincount
          if (m_config.getMinCount() != null) {
              appendFacetOption(query, "mincount", m_config.getMinCount().toString());
          }
      }