/**
* Set password for connection
*
* @param string|PasswordGetterInterface $password If you did not define password it will be asked on connection.
*
* @return Builder
*/
public function password($password = null)
{
$password = $this->checkPassword($password);
$this->config->setAuthenticationMethod(Configuration::AUTH_BY_PASSWORD);
$this->config->setPassword($password);
return $this;
}