openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/afterComparableNeedToBeFinal.java

// "Replace with lambda" "true-preview"
class Test {
  {
    Comparable<String> c = o -> {
      Runnable r = new Runnable() {
        @Override
        public void run() {
          System.out.println(o);
        }
      }; 
      return 0;
    }; 
  }
}