code: public static XID read(DataInput in) throws IOException {
  		long msb = in.readLong();
  		long lsb = in.readLong();
  		return new XID(msb, lsb);
  	}
docs: Reads a binary-serialized XID from a data input.
  
  @param in
  Data input to read XID from.
  @return The read XID object.