for (final String f : sortFields) {
            if (f.equals(field)) {
                return true;
            }
        }
        return false;
    }

    public boolean isFacetField(final String field) {
        if (StringUtil.isBlank(field)) {
            return false;
        }
        boolean flag = false;
        for (final String f : facetFields) {
            if (field.equals(f)) {

            stream(facetInfo.field).of(stream -> stream.forEach(f -> {
                if (!queryFieldConfig.isFacetField(f)) {
                    throw new SearchQueryException("Invalid facet field: " + f);
                }
                final String encodedField = BaseEncoding.base64().encode(f.getBytes(StandardCharsets.UTF_8));