-- OptionalConfigurations. The "combine" operation that we'd like to
-- perform is, essentially, to mash them together. So if we have two
-- OptionalConfigurations, each half full, we could combine them
-- OptionalConfigurations. The "combine" operation that we'd like to
-- perform is, essentially, to mash them together. So if we have two
-- OptionalConfigurations, each half full, we could combine them