docs: public Map<String, String> getResourceValueMap() {
  
          if ((m_resourceValueMap == null) && (m_resourceValue != null)) {
              // use lazy initializing of the map
              m_resourceValueMap = createMapFromValue(m_resourceValue);
              m_resourceValueMap = Collections.unmodifiableMap(m_resourceValueMap);
          }
          return m_resourceValueMap;
      }