I created a proof of concept: https://github.com/jenkinsci/warnings-ng-plugin/pull/235
Seems to need some additional work https://groups.google.com/d/msg/jenkinsci-dev/C3cQQSRWpqI/NJcSDsH9BwAJ.
Ulli Hafner, as the wiki is now read-only, do you accept comments on the requirements via some other channel?
What do you want to comment? This issue? Then just continue in Jira. Or would you like to ask generic questions? Then please use the Gitter channel.