CreateFileSourceForCardModelFuncAsync - делегат

Public Delegate Function CreateFileSourceForCardModelFuncAsync ( 
	cardModel As ICardModel,
	Optional card As Card = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of FileSourceForCard)

public delegate ValueTask<FileSourceForCard^> CreateFileSourceForCardModelFuncAsync(
	ICardModel^ cardModel, 
	Card^ card = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

type CreateFileSourceForCardModelFuncAsync = 
    delegate of 
        cardModel : ICardModel * 
        ?card : Card * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _card = defaultArg card null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<FileSourceForCard>