Add a way for collecting analysis results in the Analyzer #6772
Description
Lets assume I have an Analyzer and get a manifest from it, then I get some nice package imports with a version range. But from time to time one might ask why a given version was choose for a range. This is not always obvious because it might be depend on what interfaces are used e.g. if its a provider or consumer type.
It would therefore be good if the Analyzer has a way to install a listener that is informed about such choices, w.g. it could get a callback like:
void explain(Package pkg, VersionRange range, String why)
that is called like explain("a.b.c", "(1,1.1]", "Type X implements interface Y that is marked as provider type") whenever the analyzer takes a decision. Implementation can then keep a backlog of why a certain range was chosen.