Bug#784947: libt-digest-java: Version 3.1 is severely incompatible with version 3.0

[Hilko Bengen]

* Emmanuel Bourg:

> I got a look at Elasticsearch, and this is just a one line change:
> state.centroidCount() becomes state.centroids().size() in
> TDigestState.java. I wouldn't call that a severe incompatibility.

Please don't just look at Elasticsearch but at the
japi-compliance-checker report I attached.

> We can also reintroduce the missing centroidCount() method in t-digest,
> such that our package supports rdeps expecting the version 3.0 or the
> version 3.1.

No. Users (in this case software developers trying to work with what
Debian provides) have a certain expectation that what Debian distributes
as t-digest 3.0 is comparable to what they could get via Maven.

Cheers,
-Hilko