docs: private void getGammaRegularizerFromConfig(Map<String, Object> layerConfig, boolean enforceTrainingConfig)
              throws UnsupportedKerasConfigurationException, InvalidKerasConfigurationException {
          Map<String, Object> innerConfig = KerasLayerUtils.getInnerLayerConfigFromConfig(layerConfig, conf);
          if (innerConfig.get(LAYER_FIELD_GAMMA_REGULARIZER) != null) {
              if (enforceTrainingConfig)
                  throw new UnsupportedKerasConfigurationException(
                          "Regularization for BatchNormalization gamma parameter not supported");
              else
                  log.warn("Regularization for BatchNormalization gamma parameter not supported...ignoring.");
          }
      }