IReadonlyUser GetStartingUser(
	string userId,
	IPAddress visitorIp = null
)

Function GetStartingUser ( 
	userId As String,
	Optional visitorIp As IPAddress = Nothing
) As IReadonlyUser

IReadonlyUser^ GetStartingUser(
	String^ userId, 
	IPAddress^ visitorIp = nullptr
)

abstract GetStartingUser : 
        userId : string * 
        ?visitorIp : IPAddress 
(* Defaults:
        let _visitorIp = defaultArg visitorIp null
*)
-> IReadonlyUser