final List<String> languages = SuggestUtil.getAsList(source.get(FieldNames.LANGUAGES));
        final List<String> kinds = SuggestUtil.getAsList(source.get(FieldNames.KINDS));
        final long timestamp = Long.parseLong(source.get(FieldNames.TIMESTAMP).toString());

        final SuggestItem item = new SuggestItem();
        item.text = text;

     * @return a list of strings representing the given object
     * @throws IllegalArgumentException if the object is not a string or a list
     */
    @SuppressWarnings("unchecked")
    public static List<String> getAsList(final Object value) {
        if (value == null) {
            return new ArrayList<>();
        }

        if (value instanceof String strValue) {
            final List<String> list = new ArrayList<>();