IForumProviderSubscribeAsync - метод

Task<ForumResponse> SubscribeAsync(
	Guid userID,
	Guid topicID,
	bool subscribe = true,
	CancellationToken cancellationToken = default
)

Function SubscribeAsync ( 
	userID As Guid,
	topicID As Guid,
	Optional subscribe As Boolean = true,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ForumResponse)

Task<ForumResponse^>^ SubscribeAsync(
	Guid userID, 
	Guid topicID, 
	bool subscribe = true, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract SubscribeAsync : 
        userID : Guid * 
        topicID : Guid * 
        ?subscribe : bool * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _subscribe = defaultArg subscribe true
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ForumResponse>