/**
  * @return array
  */
 protected function loadRabbitMQConfig()
 {
     if (null === $this->rabbitMQConfig) {
         $this->rabbitMQConfig = ConfigManager::loadRabbitMQConfig();
     }
     $result = [];
     foreach ($this->rabbitMQConfig as $config) {
         $result[$config->getName()] = $config;
     }
     return $result;
 }