}
	podList, err := c.podLister.Pods(namespace).List(selector)
	if err != nil {
		return 0, 0, 0, time.Time{}, fmt.Errorf("unable to get pods while calculating replica count: %v", err)
	}
	if len(podList) == 0 {
		return 0, 0, 0, time.Time{}, fmt.Errorf("no pods returned by selector while calculating replica count")
	}

	"maxSurge":       "The maximum number of...

func appendPodsWithSameIndexForRemovalAndRemaining(rm, left, pods []*v1.Pod, ix int) ([]*v1.Pod, []*v1.Pod) {
	if ix == unknownCompletionIndex {
		rm = append(rm, pods...)
		return rm, left
	}
	if len(pods) == 1 {
		left = append(left, pods[0])
		return rm, left
	}
	sort.Sort(controller.ActivePods(pods))
	rm = append(rm, pods[:len(pods)-1]...)
	left = append(left, pods[len(pods)-1])
	return rm, left
}

  // can have their pods stopped for an update at any given time. The update
  // starts by stopping at most 30% of those DaemonSet pods and then brings
  // up new DaemonSet pods in their place. Once the new pods are available,
  // it then proceeds onto other DaemonSet pods, thus ensuring that at least
  // 70% of original number of DaemonSet pods are available at all times during
  // the update.

  // can have their pods stopped for an update at any given time. The update
  // starts by stopping at most 30% of those DaemonSet pods and then brings
  // up new DaemonSet pods in their place. Once the new pods are available,
  // it then proceeds onto other DaemonSet pods, thus ensuring that at least
  // 70% of original number of DaemonSet pods are available at all times during
  // the update.

  // resource metric across all relevant pods, as a raw value (instead of as
  // a percentage of the request), similar to the "pods" metric source type.
  // +optional
  optional .k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 3;

  // container is the name of the container in the pods of the scaling target
  optional string container = 4;
}

  //   * increase no more than 4 pods per 60 seconds
  //   * double the number of pods per 60 seconds
  // No stabilization is used.
  // +optional
  optional HPAScalingRules scaleUp = 1;

  // scaleDown is scaling policy for scaling Down.
  // If not set, the default value is to allow to scale down to minReplicas pods, with a
  // 300 second stabilization window (i.e., the highest recommendation for

	"currentReplicas":    "currentReplicas is current number of replicas of pods managed by this autoscaler, as last seen by the autoscaler.",
	"desiredReplicas":    "desiredReplicas is the desired number of replicas of pods managed by this autoscaler, as last calculated by the autoscaler.",

	// pods refers to a metric describing each pod in the current scale target
	// (for example, transactions-processed-per-second).  The values will be
	// averaged together before being compared to the target value.
	// +optional
	Pods *PodsMetricSource `json:"pods,omitempty" protobuf:"bytes,3,opt,name=pods"`
	// resource refers to a resource metric (such as those specified in

	// complete list of pods from all available sources (e.g., apiserver, http,
	// file). In this case, garbage collector should refrain itself from aggressive
	// behavior such as removing all containers of unrecognized pods (yet).
	// If evictNonDeletedPods is set to true, containers and sandboxes belonging to pods
	// that are terminated, but not deleted will be evicted.  Otherwise, only deleted pods
	// will be GC'd.