docs: @Nullable
      public Date getDateDigitized(@Nullable TimeZone timeZone)
      {
          TimeZone timeZoneDigitized = getTimeZone(TAG_OFFSET_TIME_DIGITIZED);
          return getDate(TAG_DATETIME_DIGITIZED, getString(TAG_SUBSECOND_TIME_DIGITIZED),
              (timeZoneDigitized != null) ? timeZoneDigitized : timeZone);
      }