Task<Service> GetServiceAsync(
	string serviceId,
	CancellationToken cancellationToken = null
)

Function GetServiceAsync ( 
	serviceId As String,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Service)

Task<Service^>^ GetServiceAsync(
	String^ serviceId, 
	CancellationToken cancellationToken = nullptr
)

abstract GetServiceAsync : 
        serviceId : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<Service>