FileExtensionCachedAccessorHasExtensionFromFileNameAsync - метод

public ValueTask<bool> HasExtensionFromFileNameAsync(
	string fileName,
	CancellationToken cancellationToken = default
)

Public Function HasExtensionFromFileNameAsync ( 
	fileName As String,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of Boolean)

public:
ValueTask<bool> HasExtensionFromFileNameAsync(
	String^ fileName, 
	CancellationToken cancellationToken = CancellationToken()
)

member HasExtensionFromFileNameAsync : 
        fileName : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<bool>