code: @Override
      public EnableAvailabilityZonesForLoadBalancerResult enableAvailabilityZonesForLoadBalancer(EnableAvailabilityZonesForLoadBalancerRequest request) {
          request = beforeClientExecution(request);
          return executeEnableAvailabilityZonesForLoadBalancer(request);
      }
docs: <p>
  Adds the specified Availability Zones to the set of Availability Zones for the specified load balancer in
  EC2-Classic or a default VPC.
  </p>
  <p>
  For load balancers in a non-default VPC, use <a>AttachLoadBalancerToSubnets</a>.
  </p>
  <p>
  The load balancer evenly distributes requests across all its registered Availability Zones that contain
  instances. For more information, see <a
  href="http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/enable-disable-az.html">Add or Remove
  Availability Zones</a> in the <i>Classic Load Balancers Guide</i>.
  </p>
  
  @param enableAvailabilityZonesForLoadBalancerRequest
  Contains the parameters for EnableAvailabilityZonesForLoadBalancer.
  @return Result of the EnableAvailabilityZonesForLoadBalancer operation returned by the service.
  @throws LoadBalancerNotFoundException
  The specified load balancer does not exist.
  @sample AmazonElasticLoadBalancing.EnableAvailabilityZonesForLoadBalancer
  @see <a
  href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancing-2012-06-01/EnableAvailabilityZonesForLoadBalancer"
  target="_top">AWS API Documentation</a>