Coreplex folder in rocketchip

Hi,
Is coreplex folder inside the scala folder for rocket chip is renamed? In all documentation they are saying about coreplex folder , I didn’t find that folder in my installation…please help.
src/main/scala: code to build rocket-chip:

This is not an appropriate place to ask rocket chip questions. Maybe try filing an issue at https://github.com/chipsalliance/rocket-chip
or maybe there is some chips alliance mailing list you can use.