throw new FooException(); // should catch as failure
    }

    public void oneArgShouldThrowNpeButDoesnt(String s) {
      // should catch as failure
    }

    public void oneArgCheckForNullCorrectlyDoesNotThrowNpe(@CheckForNull String s) {
      // null?  no problem
    }

    public void oneArgNullableCorrectlyDoesNotThrowNpe(@Nullable String s) {
      // null?  no problem
    }