code: @Override
      public AttachElasticLoadBalancerResult attachElasticLoadBalancer(AttachElasticLoadBalancerRequest request) {
          request = beforeClientExecution(request);
          return executeAttachElasticLoadBalancer(request);
      }
docs: <p>
  Attaches an Elastic Load Balancing load balancer to a specified layer. AWS OpsWorks Stacks does not support
  Application Load Balancer. You can only use Classic Load Balancer with AWS OpsWorks Stacks. For more information,
  see <a href="http://docs.aws.amazon.com/opsworks/latest/userguide/layers-elb.html">Elastic Load Balancing</a>.
  </p>
  <note>
  <p>
  You must create the Elastic Load Balancing instance separately, by using the Elastic Load Balancing console, API,
  or CLI. For more information, see <a
  href="http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/Welcome.html"> Elastic Load Balancing
  Developer Guide</a>.
  </p>
  </note>
  <p>
  <b>Required Permissions</b>: To use this action, an IAM user must have a Manage permissions level for the stack,
  or an attached policy that explicitly grants permissions. For more information on user permissions, see <a
  href="http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html">Managing User
  Permissions</a>.
  </p>
  
  @param attachElasticLoadBalancerRequest
  @return Result of the AttachElasticLoadBalancer operation returned by the service.
  @throws ValidationException
  Indicates that a request was not valid.
  @throws ResourceNotFoundException
  Indicates that a resource was not found.
  @sample AWSOpsWorks.AttachElasticLoadBalancer
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/opsworks-2013-02-18/AttachElasticLoadBalancer"
  target="_top">AWS API Documentation</a>