code: public Observable<Evaluate> evaluateFileInputAsync(byte[] imageStream, EvaluateFileInputOptionalParameter evaluateFileInputOptionalParameter) {
          return evaluateFileInputWithServiceResponseAsync(imageStream, evaluateFileInputOptionalParameter).map(new Func1<ServiceResponse<Evaluate>, Evaluate>() {
              @Override
              public Evaluate call(ServiceResponse<Evaluate> response) {
                  return response.body();
              }
          });
      }
docs: Returns probabilities of the image containing racy or adult content.
  
  @param imageStream The image file.
  @param evaluateFileInputOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the Evaluate object