docs: public Map<String, String> getReadProperties() {
  
          if (m_properties == null) {
              // create lazy map only on demand
              m_properties = CmsCollectionsGenericWrapper.createLazyMap(
                  new CmsJspValueTransformers.CmsPropertyLoaderTransformer(m_cms, m_resource, false));
          }
          return m_properties;
      }