CreateFileFuncAsync - делегат

public delegate ValueTask<(IFile file, ValidationResult result)> CreateFileFuncAsync(
	string fileName,
	IFileType type,
	IFileCategory category,
	CancellationToken cancellationToken = default
)

Public Delegate Function CreateFileFuncAsync ( 
	fileName As String,
	type As IFileType,
	category As IFileCategory,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of (file As IFile, result As ValidationResult))

public delegate ValueTask<ValueTuple<IFile^, ValidationResult^>> CreateFileFuncAsync(
	String^ fileName, 
	IFileType^ type, 
	IFileCategory^ category, 
	CancellationToken cancellationToken = CancellationToken()
)

type CreateFileFuncAsync = 
    delegate of 
        fileName : string * 
        type : IFileType * 
        category : IFileCategory * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<ValueTuple<IFile, ValidationResult>>