code: @Override
      public DeregisterTargetsResult deregisterTargets(DeregisterTargetsRequest request) {
          request = beforeClientExecution(request);
          return executeDeregisterTargets(request);
      }
docs: <p>
  Deregisters the specified targets from the specified target group. After the targets are deregistered, they no
  longer receive traffic from the load balancer.
  </p>
  
  @param deregisterTargetsRequest
  @return Result of the DeregisterTargets operation returned by the service.
  @throws TargetGroupNotFoundException
  The specified target group does not exist.
  @throws InvalidTargetException
  The specified target does not exist, is not in the same VPC as the target group, or has an unsupported
  instance type.
  @sample AmazonElasticLoadBalancing.DeregisterTargets
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancingv2-2015-12-01/DeregisterTargets"
  target="_top">AWS API Documentation</a>