AKSPatchUpgrade
AKSPatchUpgrade: "AKSPatchUpgrade"
HotfixUpgrade
HotfixUpgrade: "HotfixUpgrade"
HotfixUpgradeRollback
HotfixUpgradeRollback: "HotfixUpgradeRollback"
PatchVersionUpgrade
PatchVersionUpgrade: "PatchVersionUpgrade"
PatchVersionUpgradeRollback
PatchVersionUpgradeRollback: "PatchVersionUpgradeRollback"
Known values of ClusterUpgradeHistoryType that the service accepts.