CardOperationBaseTIdentifier, TItem, TContextProcessItemsAsync - метод

protected virtual Task<ValidationResult> ProcessItemsAsync(
	ICollection<TItem> items,
	ISplash splash = null,
	CancellationToken cancellationToken = default
)

Protected Overridable Function ProcessItemsAsync ( 
	items As ICollection(Of TItem),
	Optional splash As ISplash = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ValidationResult)

protected:
virtual Task<ValidationResult^>^ ProcessItemsAsync(
	ICollection<TItem>^ items, 
	ISplash^ splash = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract ProcessItemsAsync : 
        items : ICollection<'TItem> * 
        ?splash : ISplash * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _splash = defaultArg splash null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult> 
override ProcessItemsAsync : 
        items : ICollection<'TItem> * 
        ?splash : ISplash * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _splash = defaultArg splash null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult>