> the third party libraries you are using That's true only to a point. I'm not sure how deep the dependency tree of the two main Java projects I work on at the

> the third party libraries you are using That's true only to a point. I'm not sure how deep the dependency tree of the two main Java projects I work on at the moment is, but I can guarantee that I don't know "all the details" of, well, most of it, despite considering myself a "proficient engineer".