private void addCaseDefault() {
    PsiSwitchBlock switchBlock = getSwitchFromLabelPosition(myPosition);
    if (switchBlock == null) return;
    if (SwitchUtils.findDefaultElement(switchBlock) != null) {
      return;
    }
    addKeyword(new OverridableSpace(createKeyword(PsiKeyword.CASE), TailTypes.insertSpaceType()));

    final OverridableSpace defaultCaseRule =
      new OverridableSpace(createKeyword(PsiKeyword.DEFAULT), JavaTailTypes.forSwitchLabel(switchBlock));
    addKeyword(prioritizeForRule(LookupElementDecorator.withInsertHandler(defaultCaseRule, ADJUST_LINE_OFFSET), switchBlock));
  }
private void addCaseDefault()