public void refresh() {}
  }

  /** Returns a policy containing all the permissions we ever need. */
  public static Policy permissivePolicy() {
    return new AdjustablePolicy
    // Permissions j.u.c. needs directly
    (
        new RuntimePermission("modifyThread"),
        new RuntimePermission("getClassLoader"),
        new RuntimePermission("setContextClassLoader"),
        // Permissions needed to change permissions!

    public void refresh() {}
  }

  /** Returns a policy containing all the permissions we ever need. */
  public static Policy permissivePolicy() {
    return new AdjustablePolicy
    // Permissions j.u.c. needs directly
    (
        new RuntimePermission("modifyThread"),
        new RuntimePermission("getClassLoader"),
        new RuntimePermission("setContextClassLoader"),
        // Permissions needed to change permissions!