Enums.UtilityTerminalDirectionality enumeration

UtilityTerminalDirectionality can be one of:

Constant	Description
`Enums.UtilityTerminalDirectionalityUnidirectional`	`(1)` Only one flow direction is permissible.
`Enums.UtilityTerminalDirectionalityBidirectional`	`(2)` Both flow directions are permissible.