Yes, I found out about that after my comment. It's a little unfortunate that I need to remap `van` itself instead of a function/command, but it works, and there's a PR to expose the function publicly.
Note that this might conflict with some text-object plugins, such as mini.ai, which define an/in by default.
Note that this might conflict with some text-object plugins, such as mini.ai, which define an/in by default.