If the sandbox host path is not yet available in v1 API, it should be made available. I'll be happy to shepherd.
The rules for APIs stipulate that the deprecation period doesn't start > until the next major release (2.0). > We need to revise the API compatibility rules a bit. Right now the rules for API conflict a bit with rules of deprecation in the versioning doc. It's my bad because I wrote those in different points of time but didn't reconcile them.
