void copyCaseValues(boolean mergeWithDefault) {
      @Nullable PsiCaseLabelElementList caseValuesToMergeWith = getCaseLabelElementList(myRuleToMergeWith.myFirstLabel);
      @Nullable PsiCaseLabelElementList caseValuesToDelete = getCaseLabelElementList(myRuleToDelete.myFirstLabel);
      DuplicateBranchesInSwitchInspection.copyCaseValues(caseValuesToDelete, caseValuesToMergeWith, mergeWithDefault);
    }
void copyCaseValues(boolean mergeWithDefault)