UIExtensions.ExecuteWithExceptionCheckAsync<TExtensionContext> - метод

<ExtensionAttribute>
Public Shared Function ExecuteWithExceptionCheckAsync(Of TExtensionContext As {Class, IExtensionContext}) ( 
	executor As IExtensionExecutor,
	methodName As String,
	extensionContext As TExtensionContext,
	Optional processExceptionAsync As Func(Of Exception, ValueTask) = Nothing,
	Optional handleExceptionAsync As Func(Of IExtensionStrategyContext, ValueTask) = Nothing,
	Optional showMessageBox As Boolean = true,
	Optional continueOnCapturedContext As Boolean = false
) As Task(Of Boolean)

public:
[ExtensionAttribute]
generic<typename TExtensionContext>
where TExtensionContext : ref class, IExtensionContext
static Task<bool>^ ExecuteWithExceptionCheckAsync(
	IExtensionExecutor^ executor, 
	String^ methodName, 
	TExtensionContext extensionContext, 
	Func<Exception^, ValueTask>^ processExceptionAsync = nullptr, 
	Func<IExtensionStrategyContext^, ValueTask>^ handleExceptionAsync = nullptr, 
	bool showMessageBox = true, 
	bool continueOnCapturedContext = false
)

[<ExtensionAttribute>]
static member ExecuteWithExceptionCheckAsync : 
        executor : IExtensionExecutor * 
        methodName : string * 
        extensionContext : 'TExtensionContext * 
        ?processExceptionAsync : Func<Exception, ValueTask> * 
        ?handleExceptionAsync : Func<IExtensionStrategyContext, ValueTask> * 
        ?showMessageBox : bool * 
        ?continueOnCapturedContext : bool 
(* Defaults:
        let _processExceptionAsync = defaultArg processExceptionAsync null
        let _handleExceptionAsync = defaultArg handleExceptionAsync null
        let _showMessageBox = defaultArg showMessageBox true
        let _continueOnCapturedContext = defaultArg continueOnCapturedContext false
*)
-> Task<bool>  when 'TExtensionContext : not struct and IExtensionContext