If you are migrating from Achilles 5.x to Achilles 6.x, below are the changes and how to transition:
indexed.select()...where().xxx().Eq(...): replaced by indexed.select()...where().indexed_xxx().Eq(...) and similarly for all other relationsindexed.select()...where().xxx().Eq(...): replaced by indexed.select()...where().search_on_xxx().Eq(...) and similarly for all other relations