ScanServiceProxyFactory - делегат

[NotNullAttribute]
public delegate IScanServiceProxy ScanServiceProxyFactory(
	[CanBeNullAttribute] string typeName = null,
	[CanBeNullAttribute] string assemblyFileName = null
)

<NotNullAttribute>
Public Delegate Function ScanServiceProxyFactory ( 
	<CanBeNullAttribute> Optional typeName As String = Nothing,
	<CanBeNullAttribute> Optional assemblyFileName As String = Nothing
) As IScanServiceProxy

[NotNullAttribute]
public delegate IScanServiceProxy^ ScanServiceProxyFactory(
	[CanBeNullAttribute] String^ typeName = nullptr, 
	[CanBeNullAttribute] String^ assemblyFileName = nullptr
)

[<NotNullAttribute>]
type ScanServiceProxyFactory = 
    delegate of 
        [<CanBeNullAttribute>] ?typeName : string * 
        [<CanBeNullAttribute>] ?assemblyFileName : string 
(* Defaults:
        let _typeName = defaultArg typeName null
        let _assemblyFileName = defaultArg assemblyFileName null
*)
-> IScanServiceProxy