code: @Command(name = "StopPolling")
      public void stopPolling() {
          xlogger.entry();
          for (final DeviceClassBuilder deviceClass : classList) {
              for (final DeviceImpl dev : deviceClass.getDeviceImplList()) {
                  dev.stopPolling();
              }
          }
          status = "The device is ON\nThe polling is OFF";
          xlogger.exit();
      }
docs: Stop polling