docs: private List<Integer> getPriviledgedRoles(String url, RequestMethod method) {
  
          Map<String, Map<RequestMethod, List<Integer>>> roleResMap = roleResMgr.getAllAsMap();
          Map<RequestMethod, List<Integer>> methodMap = roleResMap.get(url);
          if (methodMap == null) {
              return new ArrayList<Integer>();
          }
  
          List<Integer> roleIdList = methodMap.get(method);
          if (roleIdList == null) {
              roleIdList = new ArrayList<Integer>();
          }
  
          return roleIdList;
      }