Hi, This week I packaged jengelman-shadow can be seen here <https://salsa.debian.org/m36-guest/>. I also patched kotlin so that protobuf is repackaged during build by declaring a maven repo inside debian folder. I have also mapped out the dependencies in more detail and mapped em here <https://java-team.pages.debian.net/gsoc-kotlin-blog/2019/07/07/week-4-5-update/> .
cheers, Saif Abdul Cassim