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

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