Currently we only seem to be able to import/export one Sandbox setting:
We'd like to be able to import/export all details of the sandboxes (sandbox paths and associated settings: tags, functions, data sources, accessible file paths, etc) we create. We end up needing to create a few of them to prevent certain access between apps, and right now we have to keep recreating the sandboxes when wanting to spin up local versions.
This is an involved feature with little demand. It would need to be sponsored or sent as a pull request from someone. Let us now if you’re interested in sponsoring the feature.