/**
* usingPasswordAuthentication
*
* Build nodes with password authentication
*
* User authentication and access rules are only available in Riak versions 2 and above. To use this feature, TSL
* is required to communicate with your Riak nodes.
*
* @param $user
* @param $pass
* @return $this
*/
public function usingPasswordAuthentication($user, $pass = '')
{
$this->config->setUser($user);
$this->config->setPass($pass);
$this->config->setAuth(true);
return $this;
}
