docs: private Set<String> getStringSet(I_CmsXmlContentLocation val, String path) {
  
          Set<String> valueSet = new HashSet<String>();
          if ((val != null)) {
              List<I_CmsXmlContentValueLocation> singleValueLocs = val.getSubValues(path);
              for (I_CmsXmlContentValueLocation singleValueLoc : singleValueLocs) {
                  String value = singleValueLoc.getValue().getStringValue(m_cms).trim();
                  valueSet.add(value);
              }
          }
          return valueSet;
      }