Brabijan\Images\DI\ImagesExtension::register PHP Метод

    public static function register(Configurator $config, $extensionName = 'imagesExtension')
    {
        $config->onCompile[] = function (Configurator $config, Compiler $compiler) use($extensionName) {
            $compiler->addExtension($extensionName, new ImagesExtension());
        };
    }