protected function _getFooterHandleName()
    {
        $handleCode = $this->_scopeConfig->getValue(
            self::FOOTER_LAYOUT_CONFIG_PATH,
            ScopeInterface::SCOPE_STORE
        );
        if (!$handleCode) {
            $handleCode = 1;
        }
        return self::FOOTER_LAYOUT_HANDLE_PREFIX . $handleCode;
    }