Generalize assorted Refaster rules

[Stephan202]

Suggested commit message:

Generalize assorted Refaster rules (#1481)

This was done manually, with the help of IntelliJ IDEA's "Parameter type may be weakened" inspection. I considered writing an Error Prone check for this, but that'd be quite involved, requiring more effort than I'm willing to spend at this time.

[github-actions]

Looks good. No mutations were possible for these changes.
Mutation testing report by Pitest. Review any surviving mutants by inspecting the line comments under Files changed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[mohamedsamehsalah]

Nice 🚀

I considered writing an Error Prone check for this, but that'd be quite involved, requiring more effort than I'm willing to spend at this time.

I can help 🙋