public static void staticOneArg(String s) {
      checkNotNull(s);
    }

    @Keep
    public static void staticOneNullableArg(@Nullable String s) {}

    @Keep
    public static void staticOneNullableArgThrows(@Nullable String s) {
      doThrow(s);
    }
  }

  public void testGoodClass() {
    shouldPass(new PassObject());
  }

  private static class FailOneArgDoesntThrowNpe extends PassObject {