docs: public static String getSystemSuffix(String suffix, String defaultSuffix)
      {
          if (defaultSuffix == null)
              defaultSuffix = DEFAULT_SYSTEM_SUFFIX;
          if (suffix == null)
              suffix = defaultSuffix;
          for (int i = suffix.length() - 2; i > 0; i--)
          {   // Only use last word
              if (!Character.isLetterOrDigit(suffix.charAt(i)))
              {
                  suffix = suffix.substring(i + 1); // Typical to pass groupId
                  break;
              }
          }
          return suffix;
      }