@Keep
    public void twoNullableArgsThrowsFirstArg(@Nullable String s, @Nullable Integer i) {
      doThrow(s);
    }

    @Keep
    public void twoNullableArgsThrowsSecondArg(@Nullable String s, @Nullable Integer i) {
      doThrow(i);
    }

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

    @Keep