code: public OperationFuture<List<FirewallPolicy>> update(
              List<FirewallPolicy> firewallPolicyList,
              FirewallPolicyConfig config
      ) {
          firewallPolicyList.forEach(firewallPolicy -> update(firewallPolicy, config));
  
          return new OperationFuture<>(
              firewallPolicyList,
              new NoWaitingJobFuture()
          );
      }
docs: Update firewall policy list
  
  @param firewallPolicyList firewall policy list
  @param config firewall policy config
  @return OperationFuture wrapper for firewall policy list