Shared types for the
- Types stored in the storage stash collections.
- Connection types.
- Types related to storage instances.
- Configuration parameter types.
- Types and traits related to reporting changing collections out of
- Types and traits related to the introduction of changing collections into
- Types and traits that connect up our mz-repr types with the stats that persist maintains.
- Explicitly states the contract between storage and higher levels of Materialize w/r/t which facets of objects managed by storage (e.g. sources, sinks, connections) may be altered.