@Override
  public int getLineNumberAreaWidth() {
    if (isLineNumbersShown()) {
      return myLineNumberAreaWidth + getAreaWidthWithGap(myAdditionalLineNumberAreaWidth);
    }
    if (ExperimentalUI.isNewUI() && isRealEditor()) {
      //todo[kb] recalculate gutters renderers and return 0 if there are none in EditorMouseEventArea.LINE_NUMBERS_AREA
      return 14;
    }
    return 0;
  }
@Override
  public int getLineNumberAreaWidth()