protected function execute( InputInterface $input, OutputInterface $output ){

	$repository = $this->getContainer()->get( 'ezpublish.api.repository' );
	$searchService = $repository->getSearchService();
	
	$qrySearch = new Query();

	$qrySearch->filter = new Criterion\Subtree( "/1/2/141/" );
	
	$fieldFilters = array(
		'languages' => array( 'eng-GB', 'ger-DE'),
		'useAlwaysAvailable' => true
	);
	
	$qryResults = $searchService->findContent( $qrySearch, $fieldFilters);  

	echo( 'Found ' . $qryResults->totalCount . " items with language criterion: \n" );
	foreach ( $qryResults->searchHits as $result )
	{
		echo( "#### " . $result->valueObject->contentInfo->name . "\n" );
	}               
	
}