$ javac -fullversion
javac full version "20-ea+35-2342"
$ javac T.java

$ wget https://raw.githubusercontent.com/checkstyle/checkstyle/d02e867225c3eaa43dc681c2827ce89799dee88f/src/main/resources/google_checks.xml

$ cat T.java
class T {
  void doSomething(int i) {
    String s =
        switch (i) {
          case 1 -> "one";
          case 2 -> "two";
          default -> throw new AssertionError();
        };
  }
}
$ RUN_LOCALE="-Duser.language=en -Duser.country=US"
$ java -jar checkstyle-10.8.1-all.jar -c google_checks.xml T.java
Starting audit...
[WARN] /tmp/tmp.zK57404080/T.java:4:9: 'switch' has incorrect indentation level 8, expected level should be 4. [Indentation]
[WARN] /tmp/tmp.zK57404080/T.java:5:11: 'case' child has incorrect indentation level 10, expected level should be 6. [Indentation]
[WARN] /tmp/tmp.zK57404080/T.java:6:11: 'case' child has incorrect indentation level 10, expected level should be 6. [Indentation]
[WARN] /tmp/tmp.zK57404080/T.java:7:11: 'case' child has incorrect indentation level 10, expected level should be 6. [Indentation]
[WARN] /tmp/tmp.zK57404080/T.java:8:9: 'switch rcurly' has incorrect indentation level 8, expected level should be 4. [Indentation]
Audit done.