since you are implementing new module, please provide proper configuration like this in PR description like this #19039 and
https://gist.githubusercontent.com/Praveen7294/c6fd73abb4cfc532c5f9f14822d3ca58/raw/da5c048293c4009580a506bb41ca00e8dea77aab/config.xml

since you are implementing new module, please provide proper configuration like this in PR description like this #19039 and
https://gist.githubusercontent.com/Praveen7294/c6fd73abb4cfc532c5f9f14822d3ca58/raw/da5c048293c4009580a506bb41ca00e8dea77aab/config.xml

I'll address the CI first before running the diff report

Github, generate report

Report generation failed on phase "make_report",
step "Generate report".
Link: https://github.com/checkstyle/checkstyle/actions/runs/23386234614

@romani

The check is finished and ready for reviewing. But issue preventing diff reports from executing

Running command: git fetch origin 3.x:3.x
From https://github.com/ReactiveX/RxJava
 * [new branch]          3.x        -> 3.x
Resetting git sources to commit '3.x'
Running command: git reset --hard refs/tags/3.x
fatal: ambiguous argument 'refs/tags/3.x': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
Caught: groovy.lang.GroovyRuntimeException: Error: !
groovy.lang.GroovyRuntimeException: Error: !

@aclfe @romani

look like 3.x tag is not exist in the RxJava repository. we have to change the tag in below file.
https://github.com/checkstyle/contribution/blob/master/checkstyle-tester/projects-to-test-on-for-github-action.properties

Github, generate report

https://checkstyle-diff-reports.s3.us-east-2.amazonaws.com/bae1908_2026192905/reports/diff/index.html

@aclfe , please rebase and resovle conflict

Very red CI

Test failure, I'll address it

Github, generate report

https://checkstyle-diff-reports.s3.us-east-2.amazonaws.com/9dd5064_2026024619/reports/diff/index.html

@aclfe , last item to be done, see above.