AvailableExpanders is a list of available expander options.

LeastWasteExpanderName selects a node group that leaves the least fraction of CPU and Memory.

MostPodsExpanderName selects a node group that fits the most pods.

PriceBasedExpanderName selects a node group that is the most cost-effective and consistent with the preferred node size for the cluster.

RandomExpanderName selects a node group at random.

Option describes an option to expand the cluster.

Strategy describes an interface for selecting the best option when scaling up.