NotificationSubscriptionServiceDeleteSubscriptionAsync - метод

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

public:
virtual Task^ DeleteSubscriptionAsync(
	Guid subscriptionID, 
	Nullable<Guid> userID = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
) sealed

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