@Keep
    public static void christenPoodle(String name) {
      checkArgument(name != null);
    }
  }

  private static class ThrowsNpe {
    @Keep
    public static void christenPoodle(String name) {
      checkNotNull(name);
    }
  }

  private static class ThrowsUoe {
    @Keep
    public static void christenPoodle(String unused) {