docs: public void addWorkplaceServer(String workplaceServer, String sslmode) {
  
          if (m_frozen) {
              throw new CmsRuntimeException(Messages.get().container(Messages.ERR_CONFIG_FROZEN_0));
          }
          if (!m_workplaceServers.containsKey(workplaceServer)) {
              m_workplaceServers.put(workplaceServer, CmsSSLMode.getModeFromXML(sslmode));
          }
      }