Public Function LogoutAsync( _
   ByVal context As IAuthenticationContext, _
   Optional ByVal userCallback As Action(Of BaseOperation), _
   Optional ByVal userState As Object _
) As BaseOperation

Dim instance As Authenticator
Dim context As IAuthenticationContext
Dim userCallback As Action(Of BaseOperation)
Dim userState As Object
Dim value As BaseOperation
 
value = instance.LogoutAsync(context, userCallback, userState)

public BaseOperation LogoutAsync( 
   IAuthenticationContext context,
   Action<BaseOperation> userCallback,
   object userState
)

public:
BaseOperation^ LogoutAsync( 
   IAuthenticationContext^ context,
   Action<BaseOperation^>^ userCallback,
   Object^ userState
)