code: public ServiceFuture<TextOperationResult> getTextOperationResultAsync(String operationId, final ServiceCallback<TextOperationResult> serviceCallback) {
          return ServiceFuture.fromResponse(getTextOperationResultWithServiceResponseAsync(operationId), serviceCallback);
      }
docs: This interface is used for getting text operation result. The URL to this interface should be retrieved from 'Operation-Location' field returned from Recognize Text interface.
  
  @param operationId Id of the text operation returned in the response of the 'Recognize Text'
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object