code: @Override
      public DevInfo info() throws DevFailed {
          MDC.setContextMap(contextMap);
          xlogger.entry();
          deviceMonitoring.startRequest("Operation info");
          final DevInfo info = new DevInfo();
          info.dev_class = className;
          info.doc_url = "Doc URL = http://www.tango-controls.org";
          info.server_host = ServerManager.getInstance().getHostName();
          info.server_id = ServerManager.getInstance().getServerName();
          info.server_version = SERVER_VERSION;
          xlogger.exit();
          return info;
      }
docs: Get info of this device in IDL1
  
  @return info
  @throws DevFailed