IUserAgent AddUserAgent(
	string name,
	string searchString,
	string contentType = "",
	string fileExtension = ""
)

Function AddUserAgent ( 
	name As String,
	searchString As String,
	Optional contentType As String = "",
	Optional fileExtension As String = ""
) As IUserAgent

IUserAgent^ AddUserAgent(
	String^ name, 
	String^ searchString, 
	String^ contentType = L"", 
	String^ fileExtension = L""
)

abstract AddUserAgent : 
        name : string * 
        searchString : string * 
        ?contentType : string * 
        ?fileExtension : string 
(* Defaults:
        let _contentType = defaultArg contentType ""
        let _fileExtension = defaultArg fileExtension ""
*)
-> IUserAgent