@Nullable
  @Override
  protected LocalQuickFix buildFix(Object... infos) {
    PsiSwitchLabelStatementBase lbl = (PsiSwitchLabelStatementBase)infos[0];
    if (lbl instanceof PsiSwitchLabelStatement) {
      PsiElement lastDefaultStmt = PsiTreeUtil.skipWhitespacesAndCommentsBackward(PsiTreeUtil.getNextSiblingOfType(lbl, PsiSwitchLabelStatementBase.class));
      if (!(lastDefaultStmt instanceof PsiBreakStatement || lastDefaultStmt instanceof PsiYieldStatement)) {
        return null;
      }

      PsiSwitchLabelStatementBase prevLbl = PsiTreeUtil.getPrevSiblingOfType(lbl, PsiSwitchLabelStatementBase.class);
      if (prevLbl != null) {
        PsiElement prevStat = PsiTreeUtil.skipWhitespacesAndCommentsBackward(lbl);
        if (!(prevStat instanceof PsiBreakStatement || prevStat instanceof PsiYieldStatement)) {
          return null;
        }
      }
    }
    return LocalQuickFix.from(new MakeDefaultLastCaseFix(lbl));
  }
@Nullable
  @Override
  protected LocalQuickFix buildFix(Object... infos)