IFileManagerCreateFileAsync(IFileSource, String, IFileType, IFileCategory, FuncCancellationToken, ValueTaskIFileContent, IUser, FuncIFileCreationToken, CancellationToken, ValueTask, FuncIFileVersionCreationToken, CancellationToken, ValueTask, CancellationToken) - метод

ValueTask<(IFile file, ValidationResult result)> CreateFileAsync(
	IFileSource source,
	string name,
	IFileType type,
	IFileCategory category,
	Func<CancellationToken, ValueTask<IFileContent>> createContentFuncAsync,
	IUser user = null,
	Func<IFileCreationToken, CancellationToken, ValueTask> modifyFileTokenActionAsync = null,
	Func<IFileVersionCreationToken, CancellationToken, ValueTask> modifyVersionTokenActionAsync = null,
	CancellationToken cancellationToken = default
)

Function CreateFileAsync ( 
	source As IFileSource,
	name As String,
	type As IFileType,
	category As IFileCategory,
	createContentFuncAsync As Func(Of CancellationToken, ValueTask(Of IFileContent)),
	Optional user As IUser = Nothing,
	Optional modifyFileTokenActionAsync As Func(Of IFileCreationToken, CancellationToken, ValueTask) = Nothing,
	Optional modifyVersionTokenActionAsync As Func(Of IFileVersionCreationToken, CancellationToken, ValueTask) = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of (file As IFile, result As ValidationResult))

ValueTask<ValueTuple<IFile^, ValidationResult^>> CreateFileAsync(
	IFileSource^ source, 
	String^ name, 
	IFileType^ type, 
	IFileCategory^ category, 
	Func<CancellationToken, ValueTask<IFileContent^>>^ createContentFuncAsync, 
	IUser^ user = nullptr, 
	Func<IFileCreationToken^, CancellationToken, ValueTask>^ modifyFileTokenActionAsync = nullptr, 
	Func<IFileVersionCreationToken^, CancellationToken, ValueTask>^ modifyVersionTokenActionAsync = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract CreateFileAsync : 
        source : IFileSource * 
        name : string * 
        type : IFileType * 
        category : IFileCategory * 
        createContentFuncAsync : Func<CancellationToken, ValueTask<IFileContent>> * 
        ?user : IUser * 
        ?modifyFileTokenActionAsync : Func<IFileCreationToken, CancellationToken, ValueTask> * 
        ?modifyVersionTokenActionAsync : Func<IFileVersionCreationToken, CancellationToken, ValueTask> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _user = defaultArg user null
        let _modifyFileTokenActionAsync = defaultArg modifyFileTokenActionAsync null
        let _modifyVersionTokenActionAsync = defaultArg modifyVersionTokenActionAsync null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<ValueTuple<IFile, ValidationResult>>