code: def get_rsc_list_2(self, rsc_clz_list=None):
          
          rsc_list_2 = self._default_rsc_list_with_perf_stats()
          if rsc_clz_list is None:
              rsc_clz_list = ResourceList.get_rsc_clz_list(rsc_list_2)
  
          return [rsc_list
                  for rsc_list in rsc_list_2
                  if rsc_list.get_resource_class() in rsc_clz_list]
docs: get the list of resource list to collect based on clz list
  
          :param rsc_clz_list: the list of classes to collect
          :return: filtered list of resource list,
                   like [VNXLunList(), VNXDiskList()]