public function behaviors()
{
return array_merge(parent::behaviors(), [TimestampBehavior::className(), HasStorageFile::className() => ['class' => HasStorageFile::className(), 'fields' => ['image_id']], HasRelatedProperties::className() => ['class' => HasRelatedProperties::className(), 'relatedElementPropertyClassName' => CmsUserProperty::className(), 'relatedPropertyClassName' => CmsUserUniversalProperty::className()]]);
}