When I landed the initial reproducer framework I knew there were some things that needed improvement. Rather than bundling it with a patch that adds more functionality I split it off into this patch. I also think the API is stable enough to add unit testing, which is included in this patch as well.
Other improvements include:
- Refactor how we initialize the loader and generator.
- Improve naming consistency: capture and replay seems the least ambiguous.
- Index providers by name and make sure there's only one of each.
- Add convenience methods for creating and accessing providers.