Package version:

ClusterUpgradeHistoryType: string

Defines values for ClusterUpgradeHistoryType.
KnownClusterUpgradeHistoryType can be used interchangeably with ClusterUpgradeHistoryType, this enum contains the known values that the service supports.

AKSPatchUpgrade
HotfixUpgrade
HotfixUpgradeRollback
PatchVersionUpgrade
PatchVersionUpgradeRollback