code: @Override
      public AttachLoadBalancerToSubnetsResult attachLoadBalancerToSubnets(AttachLoadBalancerToSubnetsRequest request) {
          request = beforeClientExecution(request);
          return executeAttachLoadBalancerToSubnets(request);
      }
docs: <p>
  Adds one or more subnets to the set of configured subnets for the specified load balancer.
  </p>
  <p>
  The load balancer evenly distributes requests across all registered subnets. For more information, see <a
  href="http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-manage-subnets.html">Add or Remove
  Subnets for Your Load Balancer in a VPC</a> in the <i>Classic Load Balancers Guide</i>.
  </p>
  
  @param attachLoadBalancerToSubnetsRequest
  Contains the parameters for AttachLoaBalancerToSubnets.
  @return Result of the AttachLoadBalancerToSubnets operation returned by the service.
  @throws LoadBalancerNotFoundException
  The specified load balancer does not exist.
  @throws InvalidConfigurationRequestException
  The requested configuration change is not valid.
  @throws SubnetNotFoundException
  One or more of the specified subnets do not exist.
  @throws InvalidSubnetException
  The specified VPC has no associated Internet gateway.
  @sample AmazonElasticLoadBalancing.AttachLoadBalancerToSubnets
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancing-2012-06-01/AttachLoadBalancerToSubnets"
  target="_top">AWS API Documentation</a>