docs: private static List<SNIServerName> exploreClientHello(
              ByteBuffer input,
              byte recordMajorVersion,
              byte recordMinorVersion) throws SSLException {
  
          ExtensionInfo info = null;
  
          // client version
          input.get(); //helloMajorVersion
          input.get(); //helloMinorVersion
  
          // ignore random
          int position = input.position();
          input.position(position + 32);  // 32: the length of Random
  
          // ignore session id
          ignoreByteVector8(input);
  
          // ignore cipher_suites
          int csLen = getInt16(input);
          while (csLen > 0) {
              getInt8(input);
              getInt8(input);
              csLen -= 2;
          }
  
          // ignore compression methods
          ignoreByteVector8(input);
  
          if (input.remaining() > 0) {
              info = exploreExtensions(input);
          }
  
          final List<SNIServerName> snList = info != null ? info.sni : Collections.emptyList();
  
          return snList;
      }