ILoginProviderGetLoginParametersAsync - метод

Function GetLoginParametersAsync ( 
	parameters As ILoginParameters,
	Optional login As String = Nothing,
	Optional password As String = Nothing,
	Optional title As String = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of (Login As String, Password As String))

ValueTask<ValueTuple<String^, String^>> GetLoginParametersAsync(
	ILoginParameters^ parameters, 
	String^ login = nullptr, 
	String^ password = nullptr, 
	String^ title = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract GetLoginParametersAsync : 
        parameters : ILoginParameters * 
        ?login : string * 
        ?password : string * 
        ?title : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _login = defaultArg login null
        let _password = defaultArg password null
        let _title = defaultArg title null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<ValueTuple<string, string>>