public static boolean isListItem(CascadedStyle style) {
public static boolean isListItem(CalculatedStyle style) {
    public static boolean isListItem(CascadedStyle style) {        if (style == null) {            return false;        }        IdentValue display = style.getIdent(CSSName.DISPLAY);        return display != null && display == IdentValue.LIST_ITEM;    }