}

    /**
     * Converter for handling timestamps in OpenSearch.
     */
    protected static class EsTimestampConverter implements Converter {
        /**
         * Creates a new instance of EsTimestampConverter.
         */
        public EsTimestampConverter() {
            // NOP
        }

        /**
         * Default date time formatter for ISO 8601 format with UTC timezone.

                    final OpenSearchAccessResult accessResult = BeanUtil.copyMapToNewBean(source, OpenSearchAccessResult.class, option -> {
                        option.converter(new EsTimestampConverter(), timestampFields).excludeWhitespace();
                        option.exclude(OpenSearchAccessResult.ACCESS_RESULT_DATA);
                    });
                    @SuppressWarnings("unchecked")