Task<T> CreateChildAsync<T>(
	AsyncHandle asyncHandle,
	Func<Response, T> onResult,
	GenericObjectProperties prop,
	GenericObjectProperties propForThis = null
)
where T : GenericObject

Function CreateChildAsync(Of T As GenericObject) ( 
	asyncHandle As AsyncHandle,
	onResult As Func(Of Response, T),
	prop As GenericObjectProperties,
	Optional propForThis As GenericObjectProperties = Nothing
) As Task(Of T)