docs: @CanIgnoreReturnValue // to skip some bytes
    @Override
    public long readLong() throws IOException {
      byte b1 = readAndCheckByte();
      byte b2 = readAndCheckByte();
      byte b3 = readAndCheckByte();
      byte b4 = readAndCheckByte();
      byte b5 = readAndCheckByte();
      byte b6 = readAndCheckByte();
      byte b7 = readAndCheckByte();
      byte b8 = readAndCheckByte();
  
      return Longs.fromBytes(b8, b7, b6, b5, b4, b3, b2, b1);
    }