public function configure()
    {
        $name = $this->current();
        $config = $this->config;

        $this->loadConfiguration($name, $config);

        /** @var UniformResourceLocator $locator */
        $locator = $this->grav['locator'];

        $registered = stream_get_wrappers();

        $schemes = $config->get("themes.{$name}.streams.schemes", []);
        $schemes += [
            'theme' => [
                'type' => 'ReadOnlyStream',
                'paths' => $locator->findResources("themes://{$name}", false)
            ]
        ];

        foreach ($schemes as $scheme => $config) {
            if (isset($config['paths'])) {
                $locator->addPath($scheme, '', $config['paths']);
            }
            if (isset($config['prefixes'])) {
                foreach ($config['prefixes'] as $prefix => $paths) {
                    $locator->addPath($scheme, $prefix, $paths);
                }
            }

            if (\in_array($scheme, $registered, true)) {
                stream_wrapper_unregister($scheme);
            }
            $type = !empty($config['type']) ? $config['type'] : 'ReadOnlyStream';
            if ($type[0] !== '\\') {
                $type = '\\RocketTheme\\Toolbox\\StreamWrapper\\' . $type;
            }

            if (!stream_wrapper_register($scheme, $type)) {
                throw new \InvalidArgumentException("Stream '{$type}' could not be initialized.");
            }
        }

        // Load languages after streams has been properly initialized
        $this->loadLanguages($this->config);
    }