- These are internal helpers only, all refcount users need to use
fooFree() or similar for correct operation. Add fwd declarations
where necessary to avoid moving code around unnecessarily.
- We could add these back later as aliases to fooFree() but for now,
just get them out of the way.
- in librpmio to avoid dependencies on higher level stuff
- for now it's just an in-memory structure that needs to be populated
by someone simply by feeding in GPG public keys