Roman Ivanov

workaround https://github.com/checkstyle/checkstyle/pull/15598

We used workaround by declaring class as final, instead on certain method. It is better to improve findbugs.

please run tests yourself before push it helps to prevent simple mistakes. from CI: ``` [ERROR] Failures: [ERROR] CheckerTest.testTabViolation:1413->AbstractModuleTestSupport.verifyWithInlineXmlConfig:238 ->AbstractModuleTestSupport.verifyViolations:526 Violation lines for /home/vsts/work/1/s/src/test/resources/com/puppycrawl/tools/checkstyle/ checker/InputCheckerTabCharacter.java differ. missing (2): 17, 20...

Please squash all , and fix ci

I fixed all myself , it was not easy.

Github, generate report for RegexpHeader/all-examples-in-one

@relentless-pursuit , We have defect https://github.com/checkstyle/checkstyle/actions/runs/10607716261/job/29400640836 ``` Caught: java.lang.IllegalArgumentException: Error: invalid command line arguments! java.lang.IllegalArgumentException: Error: invalid command line arguments! at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at diff.run(diff.groovy:[46](https://github.com/checkstyle/checkstyle/actions/runs/10607716261/job/29400640836#step:10:47)) ```...

Github, generate report for configs in PR description

this issue is postponed until https://github.com/checkstyle/test-configs/issues/168

second issue is https://github.com/checkstyle/checkstyle/issues/15579