Enums.UtilitySubnetworkControllerType enumeration

UtilitySubnetworkControllerType can be one of:

Constant	Description
`Enums.UtilitySubnetworkControllerTypeNone`	`(0)` This domain network does not support subnetworks.
`Enums.UtilitySubnetworkControllerTypeSource`	`(1)` Subnetwork controllers within this domain network serve as sources.
`Enums.UtilitySubnetworkControllerTypeSink`	`(2)` Subnetwork controllers within this domain network serve as sinks.