ForumProviderStrategyAddRolesAsync - метод

Public Function AddRolesAsync ( 
	topicID As Guid,
	roles As IReadOnlyCollection(Of Guid),
	isReadOnly As Boolean,
	canEditMessages As Boolean,
	Optional isSubscribed As Boolean = false,
	Optional serviceMessageMode As ForumServiceMessageMode = ForumServiceMessageMode.Enabled,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ValidationResult)

public:
virtual Task<ValidationResult^>^ AddRolesAsync(
	Guid topicID, 
	IReadOnlyCollection<Guid>^ roles, 
	bool isReadOnly, 
	bool canEditMessages, 
	bool isSubscribed = false, 
	ForumServiceMessageMode serviceMessageMode = ForumServiceMessageMode::Enabled, 
	CancellationToken cancellationToken = CancellationToken()
) sealed

abstract AddRolesAsync : 
        topicID : Guid * 
        roles : IReadOnlyCollection<Guid> * 
        isReadOnly : bool * 
        canEditMessages : bool * 
        ?isSubscribed : bool * 
        ?serviceMessageMode : ForumServiceMessageMode * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _isSubscribed = defaultArg isSubscribed false
        let _serviceMessageMode = defaultArg serviceMessageMode ForumServiceMessageMode.Enabled
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult> 
override AddRolesAsync : 
        topicID : Guid * 
        roles : IReadOnlyCollection<Guid> * 
        isReadOnly : bool * 
        canEditMessages : bool * 
        ?isSubscribed : bool * 
        ?serviceMessageMode : ForumServiceMessageMode * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _isSubscribed = defaultArg isSubscribed false
        let _serviceMessageMode = defaultArg serviceMessageMode ForumServiceMessageMode.Enabled
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult>