INotificationSubscriptionServiceDeleteSubscriptionAsync - метод

Task DeleteSubscriptionAsync(
	Guid subscriptionRowID,
	Guid? userID = null,
	CancellationToken cancellationToken = default
)

Function DeleteSubscriptionAsync ( 
	subscriptionRowID As Guid,
	Optional userID As Guid? = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

Task^ DeleteSubscriptionAsync(
	Guid subscriptionRowID, 
	Nullable<Guid> userID = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract DeleteSubscriptionAsync : 
        subscriptionRowID : Guid * 
        ?userID : Nullable<Guid> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _userID = defaultArg userID null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task