- `File` should not be builtin - It should not use `TruffleFile`, but rather `java.nio.files.Path`. - Probably blocks #14019 ? - [Enso_File](https://github.com/enso-org/enso/blob/7f26fdeb1ea58639d4d9714b28b70e7d361bf697/distribution/lib/Standard/Base/0.0.0-dev/src/Enso_Cloud/Enso_File.enso) could be replaced by simply using `java.nio.files.Path`. - there is an SPI for `Path` - there are various implementations like [jimfs](https://github.com/google/jimfs/blob/master/README.md) - `enso://` protocol handling could be another such an implementation