code: public void killSession(CmsObject cms, CmsUUID sessionid) throws CmsException {
  
          OpenCms.getRoleManager().checkRole(cms, CmsRole.ACCOUNT_MANAGER);
          m_sessionStorageProvider.remove(sessionid);
  
      }
docs: Destroys a session given the session id. Only allowed for users which have the "account manager" role.<p>
  
  @param cms the current CMS context
  @param sessionid the session id
  
  @throws CmsException if something goes wrong