public function init($moduleManager)
    {
        $event = $moduleManager->getEvent();
        $container = $event->getParam('ServiceManager');
        $serviceListener = $container->get('ServiceListener');

        $serviceListener->addServiceManager(
            'FilterManager',
            'filters',
            'Zend\ModuleManager\Feature\FilterProviderInterface',
            'getFilterConfig'
        );
    }