public void customizeRenderer(ColoredTreeCellRenderer renderer) {
    if (getMember() == null) return;
    final int flags = Iconable.ICON_FLAG_VISIBILITY | Iconable.ICON_FLAG_READ_STATUS;
    renderer.setIcon(ReadAction.compute(() -> getMember().getIcon(flags)));

    customizeRendererText(renderer);
  }
public void customizeRenderer(ColoredTreeCellRenderer renderer)