PullSubscriptionUnsubscribe - метод

public Task Unsubscribe(
	CancellationToken token = default
)

Public Function Unsubscribe ( 
	Optional token As CancellationToken = Nothing
) As Task

public:
Task^ Unsubscribe(
	CancellationToken token = CancellationToken()
)

member Unsubscribe : 
        ?token : CancellationToken 
(* Defaults:
        let _token = defaultArg token new CancellationToken()
*)
-> Task