@Override
  public String convertValueToText(Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    if (value instanceof BreakpointItemNode) {
      final BreakpointItem breakpointItem = ((BreakpointItemNode)value).getBreakpointItem();
      final String displayText = breakpointItem != null? breakpointItem.getDisplayText() : null;
      if (!StringUtil.isEmptyOrSpaces(displayText)) {
        return displayText;
      }
    }
    return super.convertValueToText(value, selected, expanded, leaf, row, hasFocus);
  }
@Override
  public String convertValueToText(Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus)