CardModelSavingFuncAsync - делегат

public delegate Task<(bool Success, ValidationResult Result)> CardModelSavingFuncAsync(
	ICardSavingRequest request = null,
	CancellationToken cancellationToken = default
)

Public Delegate Function CardModelSavingFuncAsync ( 
	Optional request As ICardSavingRequest = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of (Success As Boolean, Result As ValidationResult))

public delegate Task<ValueTuple<bool, ValidationResult^>>^ CardModelSavingFuncAsync(
	ICardSavingRequest^ request = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

type CardModelSavingFuncAsync = 
    delegate of 
        ?request : ICardSavingRequest * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _request = defaultArg request null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValueTuple<bool, ValidationResult>>