companion object {
        private
        val timestampFormat = newSimpleDateFormatUTC("yyyyMMddHHmmssZ")

        private
        val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private
        fun newSimpleDateFormatUTC(pattern: String) = SimpleDateFormat(pattern).apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }

            DateTimeFormatter inputFormatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmssZ");
            DateTimeFormatter outputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
            Provider<String> dateTime = buildTimestamp.map(timestamp -> ZonedDateTime.parse(timestamp, inputFormatter).format(outputFormatter));

            replacementTokens.put("releaseDate", dateTime);