public static IReadOnlyResult Promote(
	this IConnection conn,
	string itemTypeName,
	string id,
	string newState,
	string comments = null
)

<ExtensionAttribute>
Public Shared Function Promote ( 
	conn As IConnection,
	itemTypeName As String,
	id As String,
	newState As String,
	Optional comments As String = Nothing
) As IReadOnlyResult