(@ 
	import java.io.*;
	import java.util.*;
	import demeter.*;
	import java.lang.*;

@)
Root = "(" <className> Ident <parent_of> List(SubClass) ")".
SubClass :
  Root | Last_SubClass | Empty_SubClass.
Last_SubClass = "<" <className> Ident ">" .
Empty_SubClass = .

Expected = "(" List(Expected_Wrapper) ")".
List(S) ~ S {"," S} .
Expected_Wrapper = <wrapper_name> Ident.

Main = .
AppendVisitor = <names> Names.
ExpectedVisitor = <list> Names.
Names = *extends* Vector. //Ident