public function domId($record, $prefix = null, $fallbackPrefix = 'create')
    {
        if ($recordId = $this->recordKeyForDomId($record)) {
            return $this->domClass($record, $prefix).'_'.$recordId;
        } else {
            $prefix = $prefix ?: $fallbackPrefix;
            return $this->domClass($record, $prefix);
        }
    }