FileContent - конструктор

protected FileContent(
	Func<IFileContent, ValueTask> disposedActionAsync = null,
	IFileCancellationSource cancellation = null
)

Protected Sub New ( 
	Optional disposedActionAsync As Func(Of IFileContent, ValueTask) = Nothing,
	Optional cancellation As IFileCancellationSource = Nothing
)

protected:
FileContent(
	Func<IFileContent^, ValueTask>^ disposedActionAsync = nullptr, 
	IFileCancellationSource^ cancellation = nullptr
)

new : 
        ?disposedActionAsync : Func<IFileContent, ValueTask> * 
        ?cancellation : IFileCancellationSource 
(* Defaults:
        let _disposedActionAsync = defaultArg disposedActionAsync null
        let _cancellation = defaultArg cancellation null
*)
-> FileContent