I got about 40% of the way down (to `.../functional_component/filter/ReplyFilter.scala`) and it's mostly variable renames, slight shuffling of old code, and the

I got about 40% of the way down (to `.../functional_component/filter/ReplyFilter.scala`) and it's mostly variable renames, slight shuffling of old code, and the occasional new file of uncommented Scala creating a new XYZBuilder class for something else they want to track(?). Couldn't see anything even vaguely interesting unless you were looking for examples of Java-style FactoryBuilderFactoryInstanceBuilder madness.