code: public static LocalDateIterator createLocalDateIterator(String rdata,
                                                              LocalDate start, boolean strict) throws ParseException {
          return createLocalDateIterator(rdata, start, ZoneId.of("UTC"), strict);
      }
docs: given a block of RRULE, EXRULE, RDATE, and EXDATE content lines, parse
  them into a single local date iterator.
  
  @param rdata
  RRULE, EXRULE, RDATE, and EXDATE lines.
  @param start
  the first occurrence of the series.
  @param strict
  true if any failure to parse should result in a
  ParseException. false causes bad content lines to be logged
  and ignored.