code: public KerasModel buildModel()
              throws IOException, InvalidKerasConfigurationException, UnsupportedKerasConfigurationException {
          KerasModel model = new KerasModel(this);
          close();
          return model;
      }
docs: Build a KerasModel (corresponding to ComputationGraph) from this model builder.
  
  @return KerasModel
  @throws IOException I/O exception
  @throws InvalidKerasConfigurationException Invalid configuration
  @throws UnsupportedKerasConfigurationException Unsupported configuration