6 use Psr\Container\ContainerExceptionInterface;
38 implements ContainerExceptionInterface {
44 public function __construct( $serviceName, Exception $previous =
null ) {
45 parent::__construct(
"Service already defined: $serviceName", 0, $previous );
54 class_alias( ServiceAlreadyDefinedException::class,
55 'MediaWiki\Services\ServiceAlreadyDefinedException' );