public final void setUserExpandable(ValueBinding userExpandable) { engine.setProperty(Properties.USER_EXPANDABLE, userExpandable); }
public final void setUserExpandable(boolean userExpandable) { engine.setProperty(Properties.USER_EXPANDABLE, userExpandable); }
    public final void setUserExpandable(ValueBinding userExpandable) {        engine.setProperty(Properties.USER_EXPANDABLE, userExpandable);    }