with unitt.Classes.Add do
   begin
      Name := 'TFoo';
      addConstructor('constructor TFoo.Create(TEST_PARAM: Integer);', @Self.classcreate);
      addMethod('function TFoo.foo(s: String): String;', @Self.classmethod);
      addDestructor('destructor TFoo.Destroy; override;', @Self.classdestroy);
   end;