PlaceholderManagerFindAsync - метод

Public Function FindAsync ( 
	document As IPlaceholderDocument,
	validationResult As IValidationResultBuilder,
	Optional info As Dictionary(Of String, Object) = Nothing,
	Optional options As FindingOptions = FindingOptions.None,
	Optional createAliasContextFuncAsync As CreateAliasPlaceholderContextFuncAsync = Nothing,
	Optional extensionExecutor As IExtensionExecutor(Of IPlaceholderExtension) = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of List(Of IPlaceholder))

public:
virtual Task<List<IPlaceholder^>^>^ FindAsync(
	IPlaceholderDocument^ document, 
	IValidationResultBuilder^ validationResult, 
	Dictionary<String^, Object^>^ info = nullptr, 
	FindingOptions options = FindingOptions::None, 
	CreateAliasPlaceholderContextFuncAsync^ createAliasContextFuncAsync = nullptr, 
	IExtensionExecutor<IPlaceholderExtension^>^ extensionExecutor = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
) sealed

abstract FindAsync : 
        document : IPlaceholderDocument * 
        validationResult : IValidationResultBuilder * 
        ?info : Dictionary<string, Object> * 
        ?options : FindingOptions * 
        ?createAliasContextFuncAsync : CreateAliasPlaceholderContextFuncAsync * 
        ?extensionExecutor : IExtensionExecutor<IPlaceholderExtension> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _info = defaultArg info null
        let _options = defaultArg options FindingOptions.None
        let _createAliasContextFuncAsync = defaultArg createAliasContextFuncAsync null
        let _extensionExecutor = defaultArg extensionExecutor null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<List<IPlaceholder>> 
override FindAsync : 
        document : IPlaceholderDocument * 
        validationResult : IValidationResultBuilder * 
        ?info : Dictionary<string, Object> * 
        ?options : FindingOptions * 
        ?createAliasContextFuncAsync : CreateAliasPlaceholderContextFuncAsync * 
        ?extensionExecutor : IExtensionExecutor<IPlaceholderExtension> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _info = defaultArg info null
        let _options = defaultArg options FindingOptions.None
        let _createAliasContextFuncAsync = defaultArg createAliasContextFuncAsync null
        let _extensionExecutor = defaultArg extensionExecutor null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<List<IPlaceholder>>