code: @Override
      public GetInstancesHealthStatusResult getInstancesHealthStatus(GetInstancesHealthStatusRequest request) {
          request = beforeClientExecution(request);
          return executeGetInstancesHealthStatus(request);
      }
docs: <p>
  Gets the current health status (<code>Healthy</code>, <code>Unhealthy</code>, or <code>Unknown</code>) of one or
  more instances that are associated with a specified service.
  </p>
  <note>
  <p>
  There is a brief delay between when you register an instance and when the health status for the instance is
  available.
  </p>
  </note>
  
  @param getInstancesHealthStatusRequest
  @return Result of the GetInstancesHealthStatus operation returned by the service.
  @throws InstanceNotFoundException
  No instance exists with the specified ID, or the instance was recently registered, and information about
  the instance hasn't propagated yet.
  @throws InvalidInputException
  One or more specified values aren't valid. For example, a required value might be missing, a numeric
  value might be outside the allowed range, or a string value might exceed length constraints.
  @throws ServiceNotFoundException
  No service exists with the specified ID.
  @sample AWSServiceDiscovery.GetInstancesHealthStatus
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/servicediscovery-2017-03-14/GetInstancesHealthStatus"
  target="_top">AWS API Documentation</a>