.toArray(n -> new String[n]);
        final String[] baseFields = fields != null ? fields : fessConfig.getSuggestPopularWordFieldsAsArray();
        final String[] baseExcludes = excludes != null ? excludes : fessConfig.getSuggestPopularWordExcludesAsArray();
        try {

            propMap.put(CRAWLER_METADATA_NAME_MAPPING, params);
        }
        return params.get(name);
    }

    String getSuggestPopularWordFields();

    default String[] getSuggestPopularWordFieldsAsArray() {
        return split(getSuggestPopularWordFields(), "\n").get(stream -> stream.filter(StringUtil::isNotBlank).toArray(n -> new String[n]));
    }

    String getSuggestPopularWordTags();