code: public static long fromBytes(
        byte b1, byte b2, byte b3, byte b4, byte b5, byte b6, byte b7, byte b8) {
      return (b1 & 0xFFL) << 56
          | (b2 & 0xFFL) << 48
          | (b3 & 0xFFL) << 40
          | (b4 & 0xFFL) << 32
          | (b5 & 0xFFL) << 24
          | (b6 & 0xFFL) << 16
          | (b7 & 0xFFL) << 8
          | (b8 & 0xFFL);
    }
docs: Returns the {@code long} value whose byte representation is the given 8 bytes, in big-endian
  order; equivalent to {@code Longs.fromByteArray(new byte[] {b1, b2, b3, b4, b5, b6, b7, b8})}.
  
  @since 7.0