public static Map<String, Object> getInnerLayerConfigFromConfig(Map<String, Object> layerConfig, KerasLayerConfiguration conf)
            throws InvalidKerasConfigurationException {
        if (!layerConfig.containsKey(conf.getLAYER_FIELD_CONFIG()))
            throw new InvalidKerasConfigurationException("Field "
                    + conf.getLAYER_FIELD_CONFIG() + " missing from layer config");