static::assertInstanceOf(MetadataRetriever::class, $container->metadataRetriever);
static::assertInstanceOf(NetscapeBookmarkUtils::class, $container->netscapeBookmarkUtils);
static::assertInstanceOf(PageBuilder::class, $container->pageBuilder);
static::assertInstanceOf(MetadataRetriever::class, $container->metadataRetriever);
static::assertInstanceOf(NetscapeBookmarkUtils::class, $container->netscapeBookmarkUtils);
static::assertInstanceOf(PageBuilder::class, $container->pageBuilder);