static Insets readInsets(final Element element) {
    final int top = getRequiredInt(element, UIFormXmlConstants.ATTRIBUTE_TOP);
    final int left = getRequiredInt(element, UIFormXmlConstants.ATTRIBUTE_LEFT);
    final int bottom = getRequiredInt(element, UIFormXmlConstants.ATTRIBUTE_BOTTOM);
    final int right = getRequiredInt(element, UIFormXmlConstants.ATTRIBUTE_RIGHT);
    return new Insets(top, left, bottom, right);
  }
static Insets readInsets(final Element element)