FileSourceForCardContextExecutorAsync - делегат

public delegate ValueTask FileSourceForCardContextExecutorAsync(
	Func<string, CancellationToken, ValueTask> actionAsync,
	CancellationToken cancellationToken = default
)

Public Delegate Function FileSourceForCardContextExecutorAsync ( 
	actionAsync As Func(Of String, CancellationToken, ValueTask),
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask

public delegate ValueTask FileSourceForCardContextExecutorAsync(
	Func<String^, CancellationToken, ValueTask>^ actionAsync, 
	CancellationToken cancellationToken = CancellationToken()
)

type FileSourceForCardContextExecutorAsync = 
    delegate of 
        actionAsync : Func<string, CancellationToken, ValueTask> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask