docs: public static boolean getZeroMaskingFromConfig(Map<String, Object> layerConfig,
                                                     KerasLayerConfiguration conf)
              throws InvalidKerasConfigurationException {
          Map<String, Object> innerConfig = KerasLayerUtils.getInnerLayerConfigFromConfig(layerConfig, conf);
          boolean hasZeroMasking = true;
          if (innerConfig.containsKey(conf.getLAYER_FIELD_MASK_ZERO())) {
              hasZeroMasking = (boolean) innerConfig.get(conf.getLAYER_FIELD_MASK_ZERO());
          }
          return hasZeroMasking;
      }