/**
  * @param string $configName
  * @return string[]
  */
 public function statusPeers($configName = 'default')
 {
     /** @var \DCarbone\PHPConsulAPI\Error $err */
     list($peers, $err) = $this->_cb->getNamed($configName)->Status->peers();
     if (null !== $err) {
         throw new \RuntimeException($err->getMessage());
     }
     return $peers;
 }
 /**
  * @param InputInterface $input
  * @return \DCarbone\PHPConsulAPI\Consul
  */
 protected function getConsul(InputInterface $input)
 {
     return $this->_consulBag->getNamed($input->getOption('config'));
 }