Method register

/**
 * Registers the service provider with a DI container.
 *
 * @param   Container  $container  The DI container.
 *
 * @return  void
 *
 * @since   4.0.0
 */
public function register(Container $container)
{
    $container->alias('document.factory', FactoryInterface::class)->alias(Factory::class, FactoryInterface::class)->share(FactoryInterface::class, function (Container $container) {
        return new Factory();
    }, true);
}