**What's in the PR**
* ...

**How to test manually**
* ...

**Automatic testing**
* [ ] PR adds/updates unit tests

**Documentation**
* [ ] PR adds/updates documentation

**Organizational**
- [ ] PR adds/updates dependencies.
      <sub><sup>Only dependencies under [approved licenses](http://www.apache.org/legal/resolved.html#category-a) are allowed. LICENSE and NOTICE files in the respective modules where dependencies have been added as well as in the project root have been updated.</sup></sub>