docs: public static Instant toInstant(String dateTimeString) throws ParseException {
  
          if (dateTimeString == null) {
              return (null);
          }
  
          dateTimeString = dateTimeString.trim();
  
          if (dateTimeString.endsWith("Z")) {
              return (Instant.parse(dateTimeString));
          } else {
  
              // Convert UTC zoned dates to 0 offset date
              if (dateTimeString.endsWith("UTC")) {
                  dateTimeString = dateTimeString.replace("UTC", "+0000");
              }
  
              OffsetDateTime odt = (dateTimeString.length() > 25 ?
                  OffsetDateTime.parse(dateTimeString, ODT_WITH_MSEC_PARSER) :
                  OffsetDateTime.parse(dateTimeString, ODT_PARSER));
  
              return (odt.toInstant());
          }
      }