ContentProviderFactory - делегат

<NotNullAttribute>
Public Delegate Function ContentProviderFactory ( 
	<NotNullAttribute> workplace As IWorkplaceViewModel,
	<NotNullAttribute> metadata As IDataNodeMetadata,
	<NotNullAttribute> viewFactory As IWorkplaceComponentFactory,
	<CanBeNullAttribute> sortingColumns As IDictionary(Of Guid, IEnumerable(Of ISortingColumn)),
	<CanBeNullAttribute> Optional getErrorText As Func(Of IWorkplaceLayoutViewMetadata, String) = Nothing,
	Optional isCloneCreation As Boolean = false
) As IContentProvider

[NotNullAttribute]
public delegate IContentProvider^ ContentProviderFactory(
	[NotNullAttribute] IWorkplaceViewModel^ workplace, 
	[NotNullAttribute] IDataNodeMetadata^ metadata, 
	[NotNullAttribute] IWorkplaceComponentFactory^ viewFactory, 
	[CanBeNullAttribute] IDictionary<Guid, IEnumerable<ISortingColumn^>^>^ sortingColumns, 
	[CanBeNullAttribute] Func<IWorkplaceLayoutViewMetadata^, String^>^ getErrorText = nullptr, 
	bool isCloneCreation = false
)

[<NotNullAttribute>]
type ContentProviderFactory = 
    delegate of 
        [<NotNullAttribute>] workplace : IWorkplaceViewModel * 
        [<NotNullAttribute>] metadata : IDataNodeMetadata * 
        [<NotNullAttribute>] viewFactory : IWorkplaceComponentFactory * 
        [<CanBeNullAttribute>] sortingColumns : IDictionary<Guid, IEnumerable<ISortingColumn>> * 
        [<CanBeNullAttribute>] ?getErrorText : Func<IWorkplaceLayoutViewMetadata, string> * 
        ?isCloneCreation : bool 
(* Defaults:
        let _getErrorText = defaultArg getErrorText null
        let _isCloneCreation = defaultArg isCloneCreation false
*)
-> IContentProvider