THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
scaleKubernetesCluster id=<cluster-id> autoscalingenabled=true minsize=<minsize> maxsize=<maxsize>
scaleKubernetesCluster id=<cluster-id> autoscalingenabled=false
Autoscaling is only supported for Kubernetes cluster versions 1.15.0 onward.