docs: public void unsubscribeResourceForAll(CmsObject cms, CmsResource resource) throws CmsException {
  
          if (!isEnabled()) {
              throw new CmsRuntimeException(Messages.get().container(Messages.ERR_SUBSCRIPTION_MANAGER_DISABLED_0));
          }
          m_securityManager.unsubscribeResourceForAll(cms.getRequestContext(), getPoolName(), resource);
      }