Task<ReadOnlyCollectionPage<Notification, NotificationId>> ListNotificationsAsync(
	NotificationId marker,
	Nullable<int> limit,
	CancellationToken cancellationToken
)

Function ListNotificationsAsync ( 
	marker As NotificationId,
	limit As Nullable(Of Integer),
	cancellationToken As CancellationToken
) As Task(Of ReadOnlyCollectionPage(Of Notification, NotificationId))

Task<ReadOnlyCollectionPage<Notification^, NotificationId^>^>^ ListNotificationsAsync(
	NotificationId^ marker, 
	Nullable<int> limit, 
	CancellationToken cancellationToken
)

abstract ListNotificationsAsync : 
        marker : NotificationId * 
        limit : Nullable<int> * 
        cancellationToken : CancellationToken -> Task<ReadOnlyCollectionPage<Notification, NotificationId>>