code: public OperationFuture<List<AlertPolicy>> modify(List<AlertPolicy> policyRefs,
          AlertPolicyConfig modifyConfig) {
  
          policyRefs.forEach(ref -> modify(ref, modifyConfig));
  
          return new OperationFuture<>(
              policyRefs,
              new NoWaitingJobFuture()
          );
      }
docs: Update Alert policies
  
  @param policyRefs policy references
  @param modifyConfig update policy config
  @return OperationFuture wrapper for list of AlertPolicy