IForumProviderGetMessagesAsync - метод

Function GetMessagesAsync ( 
	topicID As Guid,
	isSuperModeratorModeEnabled As Boolean,
	messagesCount As Integer,
	Optional pageNumber As Integer = -1,
	Optional messageID As Guid? = Nothing,
	Optional lastReadMessageTime As DateTime? = Nothing,
	Optional isNeedUpdateLastReadMessageTime As Boolean = true,
	Optional searchText As String = Nothing,
	Optional reverseOrder As Boolean = false,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ( As ForumResponse,  As ValidationResult))

Task<ValueTuple<ForumResponse^, ValidationResult^>>^ GetMessagesAsync(
	Guid topicID, 
	bool isSuperModeratorModeEnabled, 
	int messagesCount, 
	int pageNumber = -1, 
	Nullable<Guid> messageID = nullptr, 
	Nullable<DateTime> lastReadMessageTime = nullptr, 
	bool isNeedUpdateLastReadMessageTime = true, 
	String^ searchText = nullptr, 
	bool reverseOrder = false, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract GetMessagesAsync : 
        topicID : Guid * 
        isSuperModeratorModeEnabled : bool * 
        messagesCount : int * 
        ?pageNumber : int * 
        ?messageID : Nullable<Guid> * 
        ?lastReadMessageTime : Nullable<DateTime> * 
        ?isNeedUpdateLastReadMessageTime : bool * 
        ?searchText : string * 
        ?reverseOrder : bool * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _pageNumber = defaultArg pageNumber -1
        let _messageID = defaultArg messageID null
        let _lastReadMessageTime = defaultArg lastReadMessageTime null
        let _isNeedUpdateLastReadMessageTime = defaultArg isNeedUpdateLastReadMessageTime true
        let _searchText = defaultArg searchText null
        let _reverseOrder = defaultArg reverseOrder false
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValueTuple<ForumResponse, ValidationResult>>