@Override
    public void transform(ChainContext context, String... argumentValues) {
      LOG.assertTrue(argumentValues.length == myParameters.length);
      EntryStream.zip(myParameters, argumentValues).forKeyValue(
        (oldName, newName) -> myBody = replaceVarReference(myBody, oldName, newName, context));
    }
@Override
    public void transform(ChainContext context, String... argumentValues)