## Description
Parses the previousPaths metadata collections
along with deltas, and hands paths down to
exchange backup collection producers. Does
not yet scrutinize previous/current path diffs.
## Type of change
- [x] 🌻 Feature
## Issue(s)
* #1726
## Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
