code: @Override
      public StartDeviceSyncResult startDeviceSync(StartDeviceSyncRequest request) {
          request = beforeClientExecution(request);
          return executeStartDeviceSync(request);
      }
docs: <p>
  Resets a device and its account to the known default settings, by clearing all information and settings set by
  previous users.
  </p>
  
  @param startDeviceSyncRequest
  @return Result of the StartDeviceSync operation returned by the service.
  @throws DeviceNotRegisteredException
  The request failed because this device is no longer registered and therefore no longer managed by this
  account.
  @sample AmazonAlexaForBusiness.StartDeviceSync
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/alexaforbusiness-2017-11-09/StartDeviceSync"
  target="_top">AWS API Documentation</a>