fun parseIanaCsvRow(s: String): SuiteId? {
  if (s.contains("Reserved") || s.contains("Unassigned")) return null
  val matcher = IANA_CSV_PATTERN.matchEntire(s) ?: return null
  val id = (matcher.groupValues[1] + matcher.groupValues[2]).decodeHex()
  return SuiteId(id, matcher.groupValues[3])
}

class IanaSuites(
  val name: String,
  val suites: List<SuiteId>,
) {
  fun fromJavaName(javaName: String): SuiteId {

      var month = -1
      var year = -1
      val matcher = TIME_PATTERN.matcher(s)

      while (pos < limit) {
        val end = dateCharacterOffset(s, pos + 1, limit, true)
        matcher.region(pos, end)

        when {
          hour == -1 && matcher.usePattern(TIME_PATTERN).matches() -> {
            hour = matcher.group(1).toInt()
            minute = matcher.group(2).toInt()