docs: public static String getBuildVersion() {
          StringBuilder buf = new StringBuilder();
  
          buf.append(SystemUtils.LINE_SEPARATOR);
          buf.append("[OTTER Version Info]").append(SystemUtils.LINE_SEPARATOR);
          buf.append("[version ]").append(VersionInfo.getVersion()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[revision]").append(VersionInfo.getRevision()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[compiler]").append(VersionInfo.getUser()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[date    ]").append(VersionInfo.getDate()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[checksum]").append(VersionInfo.getSrcChecksum()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[branch  ]").append(VersionInfo.getBranch()).append(SystemUtils.LINE_SEPARATOR);
          buf.append("[url     ]").append(VersionInfo.getUrl()).append(SystemUtils.LINE_SEPARATOR);
  
          return buf.toString();
      }