docs: public CmsUser createUser(String name, String password, String description) throws Exception {
  
          if (existsUser(name)) {
              m_shell.getOut().println(getMessages().key(Messages.GUI_SHELL_USER_ALREADY_EXISTS_1, name));
              return null;
          }
          return m_cms.createUser(name, password, description, new Hashtable<String, Object>());
      }