Github user metlos commented on the issue: https://github.com/apache/tinkerpop/pull/494 Yes, Java makes it somewhat difficult to properly declare "module boundaries" - let's hope Java 9 will do that right. But for now, it is often useful to declare certain packages as internal and not consider any changes in them as "user-facing". As shown with `org.apache.tinkerpop.shaded`, it is quite easy to exclude packages from the API check with Revapi. If the internal and API classes are mixed within a single package, we could also annotate the internal classes with some dedicated annotation - let's say `org.apache.tinkerpop.Internal` and configure Revapi to ignore anything annotated with that annotation. Revapi can also be configured to just ignore certain classes but that's slightly more involved, because you'd need to modify the POM each time you add an internal class (as opposed to just annotating the class).
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