String name = _expr.evalString(env);  return env.include(_dir, name, _isRequire, false);
try { String name = _expr.evalString(env);  return env.include(_dir, name, _isRequire, false);  } catch (IOException e) { throw new QuercusException(e); }
  public Value eval(Env env)    throws Throwable  {    String name = _expr.evalString(env);    return env.include(_dir, name, _isRequire, false);    // return env.include(name);  }