...

The new methods will have to be implemented and tested by the RSM implementations. As RemoteIndexCache  implementation will be adapted to the new APIs, the current set of tests should serve as a validation that functionality isn't broken.

Tiered Storage integration tests will be extended to cover the new APIs and test it similarly to the existing ones.

Rejected Alternatives

If there are alternative ways of accomplishing the same thing, what were they? The purpose of this section is to motivate why the design is the way it is and not some other way.