docs: public void lsacc(String resourceName) throws Exception {
  
          List<CmsAccessControlEntry> acList = m_cms.getAccessControlEntries(resourceName);
          for (int i = 0; i < acList.size(); i++) {
              CmsAccessControlEntry ace = acList.get(i);
              I_CmsPrincipal acePrincipal = m_cms.lookupPrincipal(ace.getPrincipal());
              String pName = (acePrincipal != null) ? acePrincipal.getName() : ace.getPrincipal().toString();
              m_shell.getOut().println(pName + ": " + ace.getPermissions().getPermissionString() + " " + ace);
          }
      }