@Override
      public void updateUI() {
        setUI(new DarculaSeparatorUI() {
          @Override
          protected int getStripeIndent() {
            return 0;
          }

          @Override
          public Dimension getPreferredSize(JComponent c) {
            return JBUI.size(0, 1);
          }
        });
      }
@Override
      public void updateUI()