code: private void updateRequestContextInfo() {
  
          if ((m_flexContextInfoList != null) && !m_flexContextInfoList.isEmpty()) {
              m_cmsObject.getRequestContext().setAttribute(
                  CmsRequestUtil.HEADER_LAST_MODIFIED,
                  m_flexContextInfoList.get(m_flexContextInfoList.size() - 1));
          }
      }
docs: Updates the context info of the request context.<p>