Convert between scaladsl.Uri and javadsl.Uri?

Before Akka Http 1.1.0 we could convert a Javadsl URI to its Scaladsl counterpart via

uri.asInstanceOf[akka.http.impl.model.JavaUri].uri`

This is now forbidden as JavaUri was made private.

Scaladsl to Javadsl conversion was possible with

JavaUri(sUri)

What is the recommended approach for these conversions with Akka Http 1.1.x?