JSF Component without own HTML element
===

I am looking for a JSF 2.0 Component that is just an container for other components but do not produce own HTML elements.

My situation is that I have an (already styled) jsf-xhtml component page. Now I need to disable a lot of the rendering.

    <ui:component>
	<h:panelGroup layout="block" rendered="#{not empty user.registrations}">...</>
        <h:panelGroup layout="block" rendered="#{not empty user.registrations}">...</>
        <h:panelGroup layout="block" rendered="#{not empty user.registrations}">...</>
        <h:panelGroup layout="block" rendered="#{not empty user.registrations}">...</>
    </ui:component>

But I do not want to specify the `rendered="#{not empty user.registrations}"` fore times. Instead I want to wrapp it with some component like:


    <ui:component>
        <xxxx  rendered="#{not empty user.registrations}">
            <h:panelGroup layout="block">...</>
            <h:panelGroup layout="block">...</>
            <h:panelGroup layout="block">...</>
            <h:panelGroup layout="block">...</>
        </xxxx>
    </ui:component>

Because the page is already styled (and I fear that this is done in a fragile way) I need an jsf-component (`xxxx`) that does NOT produce own html elements like `div` or so.
Does such an jsf-component exit?