docs: public static void send(final PacketOutputStream pos, final long clientCapabilities, final byte serverLanguage) throws IOException {
      pos.startPacket(1);
      pos.writeInt((int) clientCapabilities);
      pos.writeInt(1024 * 1024 * 1024);
      pos.write(serverLanguage); //1
      pos.writeBytes((byte) 0, 19);    //19
      pos.writeInt((int) (clientCapabilities >> 32)); //Maria extended flag
      pos.flush();
    }