public function registerTranslations()
{
if (!isset(Yii::$app->i18n->translations['db_rbac'])) {
Yii::$app->i18n->translations['db_rbac'] = ['class' => 'yii\\i18n\\PhpMessageSource', 'sourceLanguage' => 'ru-Ru', 'basePath' => '@developeruz/db_rbac/messages'];
}
}