openide/java/java-tests/testData/inspection/duplicateBranchesInEnhancedSwitch/StatementParentheses.java

class C {
  String test(int i) {
    switch (i) {
      case 0 ->{
        return null;
      }
      case 1 -><weak_warning descr="Duplicate branch in 'switch'">{
        return (null);
      }</weak_warning>
    }
    return "";
  }
}