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Description
Originally reported by David MacIver (Bitbucket: david_maciver_, GitHub: Unknown)
As part of Hypothesis's new coverage guided test generation, I am running my own Collector instances (See related issue). I use these to produce CoverageData objects I can read the data off.
In order to get coverage to accurately report the areas that were under my control as covered, I want to then be able to merge these CoverageData objects back into the running Coverage. I'm currently doing that with a truly awful hack, but it would be nice to have something official to do this with.