CreateFileContainerFuncAsync - делегат

public delegate ValueTask<IFileContainer> CreateFileContainerFuncAsync(
	IFileSource source,
	CancellationToken cancellationToken = default
)

Public Delegate Function CreateFileContainerFuncAsync ( 
	source As IFileSource,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of IFileContainer)

public delegate ValueTask<IFileContainer^> CreateFileContainerFuncAsync(
	IFileSource^ source, 
	CancellationToken cancellationToken = CancellationToken()
)

type CreateFileContainerFuncAsync = 
    delegate of 
        source : IFileSource * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<IFileContainer>