@SuppressWarnings("unused") // Required for compatibility with external plugins.
  public static JPanel errorPanel(@NotNull @Nls String text, boolean isError) {
    final JLabel label = new JLabel(XmlStringUtil.wrapInHtml(escapeXmlAndAddBr(text)));
    label.setForeground(isError ? SimpleTextAttributes.ERROR_ATTRIBUTES.getFgColor() : NamedColorUtil.getInactiveTextColor());
    final JPanel wrapper = new JPanel(new GridBagLayout());
    wrapper.add(label, new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.NONE, JBUI.insets(1), 0, 0));
    return wrapper;
  }
@SuppressWarnings("unused") // Required for compatibility with external plugins.
  public static JPanel errorPanel(@NotNull @Nls String text, boolean isError)