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### Pull Request Checklist

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- [ ] CONTRIBUTING: You have read https://github.com/groue/GRDB.swift/blob/master/CONTRIBUTING.md
- [ ] BRANCH: This pull request is submitted against the `development` branch.
- [ ] DOCUMENTATION: Inline documentation has been updated.
- [ ] DOCUMENTATION: README.md or another dedicated guide has been updated.
- [ ] TESTS: Changes are tested.
- [ ] TESTS: The `make smokeTest` terminal command runs without failure.