IExtensionContainerRegisterExtensionTExtension, TConcreteExtension - метод

IExtensionContainer RegisterExtension<TExtension, TConcreteExtension>(
	ExtensionPolicyConfigurator policyConfigurator = null
)
where TExtension : class, IExtension
where TConcreteExtension : TExtension

Function RegisterExtension(Of TExtension As {Class, IExtension}, TConcreteExtension As TExtension) ( 
	Optional policyConfigurator As ExtensionPolicyConfigurator = Nothing
) As IExtensionContainer

generic<typename TExtension, typename TConcreteExtension>
where TExtension : ref class, IExtension
where TConcreteExtension : TExtension
IExtensionContainer^ RegisterExtension(
	ExtensionPolicyConfigurator^ policyConfigurator = nullptr
)

abstract RegisterExtension : 
        ?policyConfigurator : ExtensionPolicyConfigurator 
(* Defaults:
        let _policyConfigurator = defaultArg policyConfigurator null
*)
-> IExtensionContainer  when 'TExtension : not struct and IExtension when 'TConcreteExtension : 'TExtension