anchor.diff:      block.statements.add(js.return_(js[objectName]['prototype']));
   
       buffer.add(jsAst.prettyPrint(
  -        js[isolateProperties][key].assign(js.fun(['receiver'], block)),
  +        js[isolateProperties][key].assign(
  +            js.fun(['receiver'], block)).toStatement(),
           compiler));
  -    buffer.add(N);
     }
   
     /**
  
positive.code:       jsAst.Expression init =
            js[classesCollector][mangledName].assign(
                boundClosureBuilder.toObjectInitializer());
        boundClosureBuffer.add(jsAst.prettyPrint(init, compiler));
        boundClosureBuffer.add("$N");
  
        closureClass = namer.isolateAccess(closureClassElement);
  
  
negative.code:           arguments.add(getter);
          }
          jsAst.Expression init = js[lazyInitializerName](arguments);
          buffer.add(jsAst.prettyPrint(init.toStatement(), compiler));
        }
      }
    }
  