RoleUpgrade

Contains configuration for Balanced In-Service upgrade.
A RoleUpgrade defines the attributes required for the upgrade and defines the scalable Role of the nodes to be upgraded.
There can be one RoleUpgrade per UpgradePackage and one default, top-level, RoleUpgrade.

References to:: ManagedObject;

Attributes
`uint32[0..1] noNotification`	`minRemainingCapacity` Minimum remaining capacity in percent of engineered capacity during the activation of the upgrade.
`uint32[0..1] noNotification`	`minSizeOfRole` Minimum number of nodes in the scalable role to do the upgrade in bigger chunks than one by one (rolling).
`uint32[0..1] readOnly`	`numberOfSteps` Calculated number of steps based on required minimum service capacity during upgrade.
`ManagedObject mandatory noNotification`	`roleId` Reference to an instance of Role MO. The role is identified by the Distinguished Name of the Role MO.
`string key mandatory noNotification restricted`	`roleUpgradeId` The value component of the RDN.

class RoleUpgrade