@Override
    public void renderHead(final Component _component,
                           final IHeaderResponse _response)
    {
        super.renderHead(_component, _response);
        _response.render(JavaScriptHeaderItem.forScript(MessageListenerBehavior.getScript(_component),
                            _component.getClass().getName() + "_MessageListener"));

    }
@Override
    public void renderHead(final Component _component,
                           final IHeaderResponse _response)
    {
        super.renderHead(_component, _response);
        _response.render(JavaScriptHeaderItem.forScript(MessageListenerBehavior.getScript(_component),
                            _component.getClass().getName() + "_MessageListener"));

    }
@ Override public void renderHead ( final Component _component , final IHeaderResponse _response ) { super . renderHead ( _component , _response ) ; _response . render ( JavaScriptHeaderItem . forScript ( MessageListenerBehavior . getScript ( _component ) , _component . getClass ( ) . getName ( ) + "_MessageListener" ) ) ; }
Render to the web response whatever the component wants to contribute to
the head section.

@param _component    Component this behavior belongs to
@param _response     Response object
Render to the web response whatever the component wants to contribute to the head section .