openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlightingPatternsInSwitch/GuardWithInstanceOfPatternMatching.java

class Main {
  void f(Object o) {
    if (o instanceof CharSequence cs && cs instanceof String s) {
      System.out.println(s);
    }
  }

  void g(Object o) {
    switch (o) {
      case Integer i when o instanceof String s:
        System.out.println(s);
      default:
    };
  }
}