“ ot tnelaviuqe yltsoM !(tniop no yevrus) nwo yMhttps://github.com/gojuno/koptional (Kotlin's optional as a sealed class has advantages). Maybe each library should create its own Optional (which we can then convert into our own types)? I'd recommend not calling it `Optional`, but maybe something like `RoomOptional<T>` or `RoomRecord<T>`. The idea is to avoid thirteen different `Optional`s on the classpath and other devs choosing the wrong one. ”