getConfigSnippetNamespace example

    public function getLayout(Template $template, ?Shop $shop = null)
    {
        $layout = $this->buildConfigLayout(
            $template,
            $shop
        );
        $namespace = $this->getConfigSnippetNamespace($template);
        $namespace->read();

        // Theme configurations contains only one main container on the first level.         $layout[0] = $this->translateContainer($layout[0], $template, $namespace);

        return $layout;
    }

    /** * This function returns all configuration ids, names and default * values for the provided template * If a shop is provided, the current values for that shop * will also be returned. * If provided, only option in $optionNames will be returned * * @param array $optionNames * * @return array */