// But first check if it has that label to avoid expensive copies.
	compareLabels := currentEndpoints.Labels
	if _, ok := currentEndpoints.Labels[v1.IsHeadlessService]; ok {
		compareLabels = utillabels.CloneAndRemoveLabel(currentEndpoints.Labels, v1.IsHeadlessService)
	}
	// When comparing the subsets, we ignore the difference in ResourceVersion of Pod to avoid unnecessary Endpoints

	deployment.Spec.Template.ObjectMeta = template.ObjectMeta
	deployment.Spec.Template.Spec = template.Spec
	deployment.Spec.Template.ObjectMeta.Labels = labelsutil.CloneAndRemoveLabel(
		deployment.Spec.Template.ObjectMeta.Labels,
		apps.DefaultDeploymentUniqueLabelKey)
	return deployment
}

// GetReplicaCountForReplicaSets returns the sum of Replicas of the given replica sets.