Autarky\Application::invokeConfigurator PHP Метод

    protected function invokeConfigurator($configurator)
    {
        if (is_callable($configurator)) {
            call_user_func($configurator, $this);
            return;
        }
        if (is_string($configurator)) {
            $configurator = $this->container->resolve($configurator);
        }
        if ($configurator instanceof ConfiguratorInterface) {
            $configurator->configure();
        } else {
            throw new \UnexpectedValueException('Invalid configurator');
        }
    }