code: public boolean syncServers(NewRelicCache cache)
      {
          boolean ret = true;
  
          if(apiClient == null)
              throw new IllegalArgumentException("null API client");
  
          // Get the server configuration using the REST API
          if(cache.isServersEnabled())
          {
              ret = false;
  
              logger.info("Getting the servers");
              cache.servers().add(apiClient.servers().list());
              cache.setUpdatedAt();
  
              ret = true;
          }
  
          return ret;
      }
docs: Synchronise the server configuration with the cache.
  @param cache The provider cache
  @return <CODE>true</CODE> if the operation was successful